Aggregates Business - Conveying Long Term Value

Aggregates Business - Conveying Long Term Value

Conveyors are vital equipment in a quarry, transporting vast volumes of different sized crushed and screened aggregates products to stockpiles for further processing. Liam McLoughlin & Guy Woodford look at some of the latest developments in this area.

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Rock Road Recycle - Cement Manufacturer takes control of fugitive material

The entire upgrade operation was completed in just 11 days during the scheduled outage, with crews working 12-hour days to accommodate the planned shutdown. While specific cost savings are difficult to quantify, the maintenance manager said the difference is easily observed. “The production team responsible for that area has had nothing but positive feedback about the upgrades,” he commented. “We’re not losing product to spillage and dust so that material can be sold instead of cleaned up off the floor. The manpower formerly spent on cleanup can now be directed to core business activities.

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Innovative Stainless Steel Conveyor Belt Cleaner

Innovative stainless steel conveyor belt cleaner: high performance + long life = reduced ownership cost

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AT Mineral Processing - Optimized Tension

AT Mineral Processing - Optimized Tension

Maximizing performance and life of belt cleaners.

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Mining People - Innovative Stainless Steel Conveyor Belt Cleaner

A new secondary conveyor belt cleaner has been designed to combat carryback in extremely challenging applications where traditional cleaning methods do not meet performance or wear life expectations.

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International Cement Review - A Key Position

Material build-ups can lead to several issues, including 'snowman' formation in the cooler, resulting in higher fuel consumption. The use of air cannons is one way to reduce the likelihood of snowmen, but sometimes the issue persists. In this case, a repositioning of air cannons can provide the much-needed solution.

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World Coal - Access All Areas

How increasing conveyor access improves safety and reduces maintenance costs.

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Aggregates Manager - Improve Conveyor Housekeeping

A well-designed transfer point contains material for cleaner, safer, and more productive conveying.

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Pit & Quarry - Conveyor transfer point design considerations: Advice for cleaner, safer and more productive conveying

In a properly engineered transfer point, each component—from the chute design to the cradles and dust seals—is employed to maximize its specific function and contain dust and fines, while at the same time offering workers easy access for maintenance.

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International Cement Review

International Cement Review - Conveyor Transfer Point Design

Sealing dust inside conveyor equipment so that it cannot become airborne and create health and safety hazards can be achieved with effective conveyor transfer point design. To help contain dust, Martin Engineering offers key advice for cleaner, safer and more productive conveying.

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Dry Cargo International - Maintenance Service Contracts: Optimizing Conveyor Uptime and Reducing costs

Dry Cargo International - Maintenance Service Contracts: Optimizing Conveyor Uptime and Reducing costs

Technological advancements in bulk handling equipment over the last few decades have increased throughput and reduced downtime, while limiting worker exposure to hazards. However, at some point the system always requires a real person to assess issues, make decisions and implement proper solutions.

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Dry Cargo International - Sealed and Delivered: External Skirting Mitigates Dust, Spillage and Downtime

Dry Cargo International - Sealed and Delivered: External Skirting Mitigates Dust, Spillage and Downtime

Although skirtboard sealing systems have been around for decades and are standard for any efficient conveying system, that doesn’t necessarily mean the designs currently in use by most bulk handlers are well engineered, function adequately and promote a safe working environment.

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AT Mineral Processing Worldwide - Optimized tension: Maximizing performance and life of belt cleaners

AT Mineral Processing Worldwide - Optimized tension: Maximizing performance and life of belt cleaners

Seemingly mundane tasks such as adjusting belt cleaners and removing spillage often require employees to work in close proximity to the moving conveyor, where even incidental contact can result in serious injury in a split second.

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AT Mineral Processing Europe - Optimized tension: Maximizing performance and life of belt cleaners

AT Mineral Processing Europe - Optimized tension: Maximizing performance and life of belt cleaners

Seemingly mundane tasks such as adjusting belt cleaners and removing spillage often require employees to work in close proximity to the moving conveyor, where even incidental contact can result in serious injury in a split second.

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World Cement - Cannon Control

World Cement - Cannon Control

A moving conveyor belt can generate power for air cannons to control accumulation.

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Rock Road Recycle - Conveyor transfer point design: Material containment for safety & efficiency

Rock Road Recycle - Conveyor transfer point design: Material containment for safety & efficiency

Controlling fugitive material is becoming one of the primary elements in a well-organized effort to reduce hazards and prevent injuries.

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Rock Road Recycle - Missouri composter blankets dust with atomized misting equipment

Rock Road Recycle - Missouri composter blankets dust with atomized misting equipment

An innovative Midwest composting company has specified high-performance dust suppression equipment for a busy yard waste transfer station, helping the firm comply with environmental regulations and maintain good relationships with its commercial neighbors.

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Dry Cargo International - Conveyor transfer point design: Material containment for safety & efficiency

Dry Cargo International - Conveyor transfer point design: Material containment for safety & efficiency

Conveyor operators need only take a broad look at the expense that fugitive material has on a system to realize the full cost that accompanies inefficient transfer point designs.

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Rock Road Recycle - Trucking company shakes off low-quality truck vibrators

Rock Road Recycle - Trucking company shakes off low-quality truck vibrators

Missouri composter uses atomized misting equipment for dust suppression at a busy yard waste transfer station.

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Dry Cargo International - Keep the flow going: preventing accumulation in cement processing

Dry Cargo International - Keep the flow going: preventing accumulation in cement processing

Efficient material flow is a critical element of dry-process cement manufacturing, and accumulation or blockages can put a choke hold on a plant’s profitability,

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International Mining Engineer - Optimise To Maximise

International Mining Engineer - Optimise To Maximise

The ability to maintain the proper force required to keep the blade edge against the belt is a key factor in the performance of any cleaning system. Blade-to-belt pressure must be controlled to achieve optimal cleaning with a minimal rate of blade wear.

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Dry Bulk - Conveyors of the Future

Key factors to consider when designing new conveying systems to transport bulk materials safely and cost-effectively

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Rock Products - Truck Vibrator a Benefit for Herman's Trucking

Material buildup on the walls, floor, and tailgate of the truck bed can reduce the capacity of each load, extending unloading time and reducing efficiency.

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International Bulk Journal - Vibrators Go Pink

The Cougar Cares program raises awareness and the importance of early detection of breast cancer. Just like last year, we're proud to be joined by our friends at Bonnell Industries, who have built an entirely pink truck equipped with a pink truck vibrator.

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Rock Road Recycle - Bulk Handling Equipment Manufacturer Expands Operations

Rock Road Recycle - Bulk Handling Equipment Manufacturer Expands Operations

A world leader in bulk material handling solutions has expanded its UK and Scandinavian operations, allowing it to offer wider service, faster equipment delivery and extensive employee training to customers. Martin Engineering’s new facility located near Mansfield, Nottinghamshire (UK) includes a new office, training center, production area and warehouse. With its expanded team of knowledgeable industry professionals, the company will partner with UK and Scandinavian customers to offer solutions to common material handling problems, while at the same time improving the work environment with safer equipment and detailed training seminars. The result is a highly responsive unit committed to improving efficiency and compliance, while minimizing customer operating costs.

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World Coal - Fighting Fire

World Coal - Fighting Fire

Improving the fire retardance of its belting is just one of the ways that an operation can reduce the risk of conveyor fires. The development of fire-retru·dant conveyor belting has made an important contribution to safety, but even fire-retardant belts can burn in the presence of another fuel. These potential fire hazrds can only be minimized through high standards of conveyor installation, maintenance and cleanliness.

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American Coal - A Career Profile: Life in a Coal Family

American Coal - A Career Profile: Life in a Coal Family

"I could always tell when my dad had worked in the coke battery that day, because it gives off a unique smell,'' O'Harran reflected. "We'd sit at the dinner table, and my dad would say, 'This meal is brought to you by coal.' That always stuck with me."

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Plant Expansion Includes Training Facility With Life-Sized Conveyor Models

Plant Expansion Includes Training Facility With Life-Sized Conveyor Models

Having provided advanced training at Tata’s Jamshedpur facility in 2015, the steel producer partnered with Martin Engineering to deliver a complete course, from basic conveyor components and operation to advanced engineering concepts. With a curriculum that covers potential risks, operational skills and best practices, the trainers emphasized the Martin Engineering core principal of “Production Done Safely.”

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Wear resistant metal alloy

Rock Road Recycle - Wear resistant metal alloy extends equipment life

Martin® Arcoplate™ combines a smooth and dense chromium carbide-rich metal alloy face plate with a hard steel back plate to resist gouging, erosion, temperature extremes and material buildup. Installing it on surfaces exposed to abrasive conditions increases protection for longer equipment life with less frequent maintenance

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International Cement Review - Reducing Belt Wear

International Cement Review - Reducing Belt Wear

A common belief is that more cleaning pressure is the answer to ineffective belt cleaning. In reality, increasing the cleaning pressure beyond the target range will result in additional belt wear and there is an increased power consumption penalty that often goes undocumented.

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Dry Cargo International - Cement plant solves conveyor issues using power generation technology

Dry Cargo International - Cement plant solves conveyor issues using power generation technology

"It's designed to be a self-contained mini power station that's retrofitted onto existing idler support structures, so the generator can be employed on virtually any steel roller," said Andrew Timmerman, Product Development Engineer at Martin Engineering. "As conveyors move toward more sustainable and autonomous 'smart systems,' the Roll Gen eliminates the power accessibility obstacles to employing sensors, cleaners and dust control systems such as we installed for Illinois Cement."

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Martin program raises funds for breast cancer awareness

Mining People - Martin Engineering program raises funds for breast cancer awareness

"Our company has always felt a connection to this cause," observed Martin Engineering Chairman Ed Peterson. "Like our family, the Goodmans have roots in the Peoria area. Susan grew up there and returned after getting her degree to marry her college sweetheart, Stan Komen."

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Keeping limestone mine stockpiles dust-free

Dry Cargo International - Keeping limestone mine stockpiles dust-free

“The Martin team has gone above and beyond to make sure everything is operational and efficient,” Rosenkrans concluded. “We are currently considering a service contract for the new dust system, and potentially including the company’s onsite blade replacement service as well. From our first encounter, we’ve had a positive experience throughout the entire process and we’re very satisfied with the result.”

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Driving down dust

International Mining - Driving down dust

''After inspection, we devised a plan that optimized the dust control at both locations, while using as much common equipment as possible," explains Brian Nance, product engineer at Martin Engineering. "Our DCU is designed to independently control dust at several application points, thus allowing for the use of much of the same technology, while employing a different strategy for each of the two emission areas."

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Conveyor technology helps Gold Rush compete

Miners News - Conveyor technology helps Gold Rush team compete

For the wet conveyor, the Martin technicians selected a heavy-duty primary belt cleaner that features unique technology to maintain the most efficient cleaning angle throughout its service life. Equally important given the time constraints of the competition, the blade features a no-tool replacement process that can be performed safely by one person in less than five minutes.

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The economics of workplace safety

Australasian Mine Safety Journal - The economics of workplace safety

Martin Engineering’s recently published book FOUNDATIONS™ for Conveyor Safety provides a road map for justifying investments in safety. When specific data isn’t available, the book provides numerous references and global averages for conveyor safety that can be used to reasonably estimate the benefits of investments in safety

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Generating change

International Cement Review - Generating Change

To manage the dust, technicians installed a Martin® Surfactant Dust System at the transfer point between the No 153 and 170-1 conveyors to deliver a chemically enhanced water spray as a topical treatment for material at the point of emission.

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Safe-to-service cleaners reduce risk and service time

Australasian Mine Safety Journal - Safe-to-service cleaners reduce risk and service time

Martin Engineering developed the Safe to Service (STS) blades to secure both primary and secondary cleaners rigidly to the conveyor mainframe, while offering more versatility and easier access.

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Conveyor technology helps gold rush team compete

Mining & Quarry World - Conveyor technology helps gold rush team compete

That’s when a chance meeting at a trade show gave Poulson the opportunity to meet representatives from Martin Engineering, one of the innovators and premier suppliers of components to make bulk material handling cleaner, safer and more productive

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Controlling fugitive dust at limestone conveyor transfer

AT Mineral Processing - Controlling fugitive dust at limestone conveyor transfer

After finding that an estimated 10–20% of the material load was spilling along the belt path, Singleton Birch implemented a control strategy from Martin Engineering that included a rebuilt transfer point as the material takes a 20-foot drop from one belt to another. Courtesy of www.at-minerals.com

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Rock Road Recycle

“Belt cleaning was one of our biggest obstacles at the time,” he recalled. “We were wasting both material and labor, and we couldn’t afford to give that advantage to the competition.”

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Keeping up the pressure

Rock Products - Keeping up the pressure

The ability to maintain the proper force required to keep the blade edge against the belt is a key factor in the performance of any cleaning system. Blade-to-belt pressure must be controlled to achieve optimal cleaning with a minimal rate of blade wear.

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Cleaner with air

Cement Americas - Cleaner with air

“After five years of constant operation, the results have been better than we ever expected,” said Schutt. “Since the installation, we have had a significant reduction in downtime due to accumulation.”

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Dust Control Strategy for Continental Cement Prevents Fugitive Dust Emissions

“The two main areas we identified as having unacceptable dust emissions were at the underground crusher hopper and outdoors where the material was discharged onto the stockpile,” Rosenkrans explained. “With the mine having a single exhaust point, we didn’t want the dust from trucks offloading into the hopper to travel through the mine shaft, lowering visibility and reducing air quality.

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Concrete Plant International

Concrete Plant International: Compact Precast Concrete Vibrator

Martin Engineering has introduced a heavy-duty compact electric vibrator that provides high performance on the inside and outside of small diameter precast concrete pipe form cores. The Martin MB36-3000 Concrete Form Vibrator offers very good compaction of the cast for improved material strength. The rugged design has a high force-to-weight ratio and ensures reliability using high heat-rated internal components, allowing the unit to perform consistently under punishing conditions for extended periods.

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Controlling dust emissions on limestone conveyor transfer point

HUB-4 - Controlling dust emissions on limestone conveyor transfer point

When accompanied by the Double Sided ApronSeal™ skirting and clamps, the system forms a tight belt seal, delivering outstanding fugitive material control.

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Dry Bulk

The Economics of Workplace Safety

It is not a question of ‘if’, it is a question of ‘when’ a business will experience a serious workplace accident or enterprise-wide disaster. There are many things that can be done to extend the ‘when’, even to the point of making ‘when’ an almost statistical impossibility. Using conveyor design as an example, this article provides a useful methodology – which can be applied to any aspect of safety – for justifying investments to reduce the probability and severity of accidents.

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Rock Products Logo

Rock Products: Underground Dust Control

“The two main areas we identified as having unacceptable dust emissions were at the underground crusher hopper and outdoors where the material was discharged onto the stockpile,” Rosenkrans explained. “With the mine having a single exhaust point, we didn’t want the dust from trucks offloading into the hopper to travel through the mine shaft, lowering visibility and reducing air quality.

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A welcome transition

World Coal - A welcome transition

A new, patented concept has been developed to execute an effective trough transition in a short distance. This new approachis based on a two-stage transition, with the first going from tail pulley to 20° and then the full loading zone gradually transitioning from 20° to the full trough angle at the exit.

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High-efficiency vibrators

Mining People - High-efficiency vibrators for spreaders, pumpers & volumetric mixer trucks

Able to be retrofitted to most standard brackets, the high-efficiency design uses less currents and runs at a lower temperature, while retaining the same power as comparable models. The results is longer equipment life with lower operating expense and maintenance costs by reducing material buildup, slow unloading, clogging and bridging.

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Conveyor systems tracking technology

Dry Cargo International - Conveyor systems tracking technology

Currently being implemented in select markets around the world, the new tracking program captures a wide array of information to create a detailed record on all components. Courtesy of www.dc-int.com

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Respositioning clinker cooler air cannons

Dry Cargo International - Repositioning clinker cooler air cannons

“Our cannons were located close to cooler walls where the ambient conditions were very hot and dusty, making it difficult to keep the equipment functioning reliably,” said Mike Schutt, Production Manager for Lehigh Hanson. “Our new air cannon arrangement has been a great success, and I have no doubt it could be effectively applied to many cement kiln operations around the world.” Courtesy of www.dc-int.com

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AT Minerals Processing

AT Mineral Processing: Conveyor Belt Tracker With Continuous, Precise Adjustment

Able to effectively center the belt regardless of the travel direction, the robust unit has demonstrated greater durability and longer service life than previous designs, translating to a reduced cost of ownership.

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Innovative conveyor belt cleaner program

AT Mineral Processing - Innovative conveyor belt cleaner program

“This first UK van will be targeting the Midlands Area including Leicestershire, Nottinghamshire, Derbyshire and South Yorkshire, where there’s a high concentration of aggregate producers, cement plants and other users of belt cleaners. With this type of system, we’re in a position to be able to deliver proactive service in advance of a breakdown, replacing worn or failing components before they lead to an event that stops production.” Courtesy of www.at-minerals.com

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Improving conveyor transfer point performance

Mining Engineering - Improving conveyor transfer point performance

To complete the containment system, technicians also installed an integrated air cleaner, which contains a suction blower, filtering elements and a filter-cleaning system.

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Containment strategy

International Mining - Containment strategy

"We've gone from an everyday battle with this conveyor to almost no clean-up at all," says a delighted Maita. "Now we have a guy down there with a broom every few days. That's it."

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CleanScrape makes a difference

Solids & Bulk Handling - CleanScrape makes a difference

After a full year of punishing 24/7 operation with little downtime through conditions that included cold slush and mud, as well as hot and dry dusty material, the original CleanScrape cleaner continues to perform consistently well, without a single adjustment

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High force transmission by low weight

AT Mineral Processing - High force transmission by low weight

With one of the highest force to weight ratios available in the marketplace, the Martin® IMP3 Impacting RailcarVibrator delivers the power required to evacuate compacted bulk materials such as fertilizers, bentonite clay, Portland cement, grain and other agricultural products.

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Controlling dust emissions

ZKG International - Controlling dust emissions on limestone conveyor transfer point

"When we turned the system on with a full volume of material being loaded onto the belt, there was some confusion at first from the person over the intercom as to whether the system was operating, since there appeared to be no dust," Kevill recalled. "Even after nearly a year of operation, the air inside of the enclosure is clear enough to see down the entire length of the shaft."

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Australian Mining - Conveyor belt tracker delivers precise results

Australian Mining - Conveyor belt tracker delivers precise results

A new powered conveyor belt tracker from Martin Engineering delivers immediate and continuous precision adjustment of hard-to-track reversing conveyors, helping operators reduce spillage and extend the life of belts and other system components.

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Dust management for conveying powdered materials

Processing - Dust management for conveying powdered materials

Because of the varying types and diversity of dust control methods, powder and fine material handlers should consider evaluating causes, problem areas, dust-generating processes and potential cargo management techniques to arrive at the optimum approach for their operation.

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Optimizing Belt Cleaner Tension

Coal Age - Optimizing Belt Cleaner Tension Maximize Performance & Service Life

The bottom line is that properly installed and adjusted belt cleaners help minimize carryback and spillage, reducing risk and overall operating costs.

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AT Mineral Processing - Conveyor belt tracker with precise adjustment

AT Mineral Processing - Conveyor belt tracker with precise adjustment

For locations where no electricity or plant air is available, Martin Engineering designed the Roll Generator to serve as a self-contained mini power station. In those cases, the tracker uses an electric actuator to move the rolls and correct the belt's position.

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QuarriesandMines

Fugitive Material Management - Quarries and Mines Article

The loading and discharge points of conveyor belts are common locations for spillage problems to occur. Engineered transfer chutes can accomplish efficient transfers without blockages, while greatly minimizing dust generation.

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A Breath of Fresh Air - World Cement Article

"After five years of constant operation, the results have been better than we ever expected," said Schutt. "Since installation, we have had a significant reduction in downtime due to snowman formation . Not having to get near the hot wall or put on special equipment has definitely made a difference in the morale of the maintenance and production staff."

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Doing Away With Dust - Rock Products Article

“Plant safety is one of our chief concerns,” said Chris Smith, lime maintenance leader at Singleton Birch. “We strive to balance productivity with a good working environment, and addressing dust emissions is a high priority.”

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Innovative technology eliminates carryback

ZKG International - Innovative technology eliminates carryback

Designed for belt speeds up to 780 fpm (4 m/s) for mechanically spliced belts, pulley diameters up to 50 inches (1270 mm), and belt widths up to 96 inches (2438 mm), the CleanScrape is engineered to perform under the punishing conditions of the cement and bulk handling industries.

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Keep Material Flowing - Solids & Bulk Handling Article

A state-of-the-art cement plant has resolved material accumulation issues in its limestone silo by combining high-efficiency cleaning techniques with powerful, strategically-placed air cannons to prevent further build-up.

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AT Minerals Processing

AT Mineral Processing - Safe-to-Service Belt Cleaners Reduce Risk and Service Team

Martin Engineering developed the Safe to Service (STS) blades to secure both primary and secondary cleaners rigidly to the conveyor mainframe, while offering more versatility and easier access

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Safety is a Primary Consideration - Coal Age Article

“Routine maintenance and replacement of blades that require reach-in or chute entry is an unpleasant and potentially dangerous task for workers,” said Daniel Marshall, product engineer for Martin Engineering. “We developed the STS system so operators could work on the product safely from outside the chute wall, without breaking the plane of entry.”

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Control Damage and Spillage at Conveyor Drop Points - ZKG International Article

One of the largest cement producers in the state of Texas/USA has eliminated a source of fugitive material and equipment damage.

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Conveyor Belt Tracker Technology Improves Performance and Service Life - ZKG International Article

A standout trait is the easy installation and maintenance of the unit, secured by two specially designed low-footprint brackets taking up only 50 mm on either side of the mainframe.

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International Bulk Journal Logo

Clearing a Blockage - International Bulk Journal Article

A state-of-the-art cement plant has resolved material accumulation issues in its limestone silo by combining high-efficiency cleaning techniques with powerful, strategically placed air cannons to prevent further buildup.

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Patented belt cleaner reduces total ownership cost - ZKG International Article

It delivers outstanding performance and durability, while reducing the total cost of ownership.

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Coal Age

Coal Age - Conveyor Cleaners

Martin Engineering has introduced a new family of heavy-duty conveyor belt cleaner designs, engineered so the blade cartridge can be pulled away from the belt for safe access and replaced by a single miner.

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Address Dust at Point of Emission - Solids & Bulk Handling Article

Dust would quickly build up around the loading zone and encapsulate the tail pulley, eventually causing the belt to just slide over the built-up material rather than riding on the rollers.

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ICR logo

Safe Confined Space Entry - International Cement Review Article

The accumulation of bulk material on the inside of hoppers and silos often requires maintenance staff to enter confined spaces to clear pathways and restore normal flow, thus avoiding expensive plant downtime. However, such tasks are not without risk and a review of current general rules and best practices is appropriate.

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Resolving Material Accumulation in Cement Plant Limestone Silo - Dry Cargo International Article

The new weather situation caused the silo to clog every week. This required workers to spend up to 12 hours to clean it out using compressed air and other tools. As the winter got worse, so did the clogging problem.

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Designing for Safety - International Mining Article

Conveyors are among the most dynamic and potentially dangerous areas of equipment at a mine or a materials processing site. Even though their safety and performance are critical to the operation's success, the impact of their contribution to overall efficiency is often unrecognized by management and workers alike.

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ICR Logo

St Marys' Conveyor Clean Up - International Cement Review

Carryback on the return side of conveyor belts impacts on plant operations and presents avoidable safety risks. St Marys Cement's Detroit cement plant decided to minimize, if not eliminate, carryback on its No. 14 conveyor, to help improve plant operations.

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World Fertilizer

Delivering Results - World Fertilizer

The spillage was significant;' Gilbertson explained. "We were seeing waist-deep piles accumulating each day, which required an average of about 90 man-hours per week to safely clean the affected areas and haul the material away."

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A seismic shift in belt cleaning

Bulk Handling Today - A seismic shift in belt cleaning

In response to these issues, Martin Engineering has custom-engineered a modular polyurethane moulding cell specifically designed to generate the highest quality belt cleaner blades in the world.

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Conveyor Drop Points - Bulk Solids Handling

If hundreds of rocks are dropped onto an unprotected conveyor belt every few seconds, an operator can expect an inevitable outcome: fugitive material, persistent breakdowns and costly repairs of the belt, idlers and pulleys.

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Keep the Dust - Bulk Solids Handling

Dust is a nuisance in almost any bulk solids handling application, as it is harmful/ for the health of employees and neighboring as well as for the environment. Therefore, binding or capturing of dust is of paramount importance.

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Eliminating the Risk - Coal International

The fatal accident rate among miners has dropped from a peak of more than 25 deaths per 10,000 workers in the early 1940s to less than five currently. If the rate is plotted graphically, we can see that there have been two significant drops – one in the mid- 1940s and another in the mid-70s. But the graph also illustrates that while the overall number has continued to decline slightly in the last 30 years, the rate of improvement has slowed drastically.

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Down The Rathole - World Cement Article

Although technology for industrial concrete production has made great strides, the hopper's basic funnel design still tends to accumulate buildup in cement manufacturing operations, which can eventually lead to clogging and process downtime. This was the problem CRH Roadstone Limited, a cement and concrete block production firm, was experiencing.

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Avoiding Accumulation - World Cement Article

Drake Cement is one of the newest cement companies in America's southwest, with operations beginning in 2011. Located at the site of an old rail town, the facility includes a state-of-the-art, six-stage in-line calciner with a rated capacity of 660,000 tpa of clinker. Some of their operating and pollution controls are so advanced that they are found in only a few other facilities throughout the world.

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Dust and Air: The Facts - World Coal Article

Dust has been an issue of concern and research ever since bulk solids were first transported by conveyor belt. Airborne dust travels in the air currents created by the handling of bulk solids. Extensive research has been conducted to determine the quantity of air created at a transfer point, resulting in three different methodologies to predict the amount of air generated.

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Septuagenarian Success - World Coal Article

Martin Engineering has come a long way in its 70 years of business. From its origins in rural Illinois, the company now offers its bulk material handling solutions around the world. But despite this long history, the company remains clear about where it came from - and that story still drives its vision today. So where did it all begin?

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Maintaining The Standard - World Coal Article

Few would argue with the assertion that even one serious conveyor accident can cost more money than virtually any safety programme. Employees in conveyor-related industries also deserve to have the safest workplace that is reasonably possible. Yet as downsizing trends advance and the economy stagnates, there is temptation to postpone maintenance and safety upgrades.

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Investigating Carryback - World Coal Article

Ineffective conveyor belt cleaning can result in carryback (material that clings to the return side of the belt after the cargo has been discharged), leading to the accumulation of dust and spillage along the length of the conveyor structure. This accumulation interferes with plant operations and exposes personnel to unnecessary safety risks when cleaning up the material.

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Hurricane Season - ZKG Article

A cement plant located in the West of Istanbul, Turkey, and has a production capacity of 5,900 tons of clinker per day. It’s one of the largest producers in Turkey’s busy cement industry, supplying 10% of the country’s total demand and 12.5% of the nation’s total cement and clinker exports. Originally built in 1967, the facility has three clinker production kilns.

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Making the Right Choice - World Coal Article

A central dust collector consists of a single assembly containing all fans, filters, and a collection hopper. As the name implies, this assembly is located at a central point and connected to all the individual collection points by means of sealed ductwork. This type of filtration system would handle all the dust extracted from the entire conveyor system.

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Time For An Upgrade - World Coal Article

The Omaha Public Power District (OPPD) is one of the largest publicly owned electric utilities in the US. As part of OPPD's commitment to best practices for environmental stewardship, the North Omaha power plant was converted to burn cleaner, lower-sulfur coal from the Power River Basin (PRB). In switching to the cleaner fuel, the plant faced some challenges.

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Reducing the Cost of Dust Collection - Cement International Article

Fugitive material has been an issue in bulk material handling for as long as conveyors have been in use. Dust and spillage create a variety of potential hazards and waste valuable resources. Consequences of regulatory violations can range from simple warnings to massive fines. A proactive approach is to eliminate the root cause, typically through the use of dust collectors to gather and filter dust-laden air.

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Carrying the Bulk Load - Dry Cargo International Article

Few would argue with the assertion that a single serious conveyor accident can cost more than virtually any safety programme. Most people would also agree that employees in conveyor-relayed industries deserve to have the safest workplace that is reasonably possible. Yet there is a temptation to postpone maintenance activities and safety upgrades in an effort to preserve profitability.

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A Need for Speed - World Coal Article

As coal mining and processing operations continue the ongoing search for ways to increase production volumes, one area of focus has been the conveyor systems that carry massive amounts of bulk material over long distances at high speeds. One sign of this is the increasing use of wider conveyors that are able to handle larger loads.

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Solving Flow Problems - Bulk Handling Today Article

The efficiency of any bulk material handling process depends on consistent material flow throughout the system. Any build-up of material in chutes, hoppers, silos, and loading staiths cause a bottleneck-effect, eventually halting the flow completely, bringing the entire system to a complete standstill as manual clearing takes place.

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Handling PRB Coal - Power Engineering Article

In the 1980s, OPPD was converted to burn cleaner, lower sulfur coal from Wyoming’s Powder River Basin (PRB), as part of their commitment to best environmental stewardship practices. The North Omaha Power Station, a 646 MW coal fired power plant located on the Missouri River north of the city, was constructed over 50 years ago and was originally constructed to burn high sulfur coal.

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New Tricks For The Old Dogs - Power Engineering Article

The efficient handling of coal on belt conveyors is essential to coal-fired power plants. The conveying of coal is prone to problems including the escape of spillage and airborne dust. These are typical problems, common problems, problems of long-standing, problems that continue to make the handling of coal a dirty, inefficient, unpleasant, high maintenance, low reward job—a “dog” of a job.

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How Science Is Improving Power Plant Coal Handling - World Coal Article

One of the greatest advancements in the engineering of coal handling systems is the increased use of bulk material science. This field is focused on the testing and analysis of both the bulk solid and the construction materials that the bulk solids will move on, over, or through. Bulk material science is an interdisciplinary field.

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Leading With Service - Business Excellence Article

Neponset, Illinois is an unlikely place to find an equipment manufacturer that does the most rugged type of material handling anyone could imagine. The problem Martin Engineering solved then was just the same as anyone faces today if they are handling materials that won’t pour easily – what do you do to empty your hopper, clear your truck bed or get the cement out of a mixer?

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Multi Port Air Cannon Technology in the Cement Industry - International Cement Review Article

Material flow problems in cement manufacturing are an industry-wide issue. No matter how well-designed, almost any process can experience conditions that contribute to accumulations, which have a significant impact on output and profitability. Build-ups can occur in many places, including dry material being processed, ash that adheres to boiler tubes and walls, or in kilns and coolers.

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MartinPLUS® Silo Cleaning - World Cement Article

Most cement plants have a bank of storage silos to hold finished cement in inventory until required for packaging or bulk shipping. Storage silos allow cement plants to stockpile inventory until needed. Buildups on the vessel walls can rob plants of the storage systems in which they have already invested. These buildups slow material and decrease the "live" capacity of the vessel.

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Clearing The Clouds - World Coal Article

Seward, Alaska, is a century old shipping town that has recently become a primary cruise ship port. Because the new cruise ship dock is adjacent to the older coal trans-loading terminal, image conscious community members have grown increasingly concerned about the stark incongruity between the bay's natural beauty and the vital industrial activity of the port.

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Success as a Scavenger - World Coal Article

Belt cleaners are installed to remove material that sticks to a conveyor past the nominal discharge point. The cleaners are generally installed at the discharge, usually at the head pulley, because this position allows the fines and slime removed from the belt to be returned to the main material stream. Typically, dual cleaners are installed - a primary precleaner and a secondary belt cleaner.

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Keeping Your Belts Up and Your Costs Down - Energy-Tech Article

If the turbine is the heart of the coal-fired power plant, the boiler/furnace is the stomach, and the belt conveyors are the esophagus, keeping the power source well supplied. Without the belt conveyor system, the fuel does not get where it needs to go, when it needs to get there. And of course, if the systems are not working as they should, there are consequences in production output and cost.

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Making Money From Thin Air - World Cement Article

Advances in valve technology allow air cannons to operate with lower volumes of compressed air. Adoption of this technology results in an attractive return on investment based on reduced operating costs. Applications for air cannons range from emptying stagnant bulk material from storage vessels to cleaning high-temperature gas ducts.

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