Technical Resources

Horizontal length of conveyor Inclined length and degree of conveyor Vertical height (rise) of conveyor Hourly capacity required Material being handled Bulk density of material Product granulation size Abrasive/corrosive /hygroscopic qualities Product temperature at inlet Is gas/vapor tight conveyor required? Hours of service per 24 hour day Installation location Physical limitations or restrictions Number of […]

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While each conveyor is designed and built on a per suit / application basis we include these following features within nearly all of our conveyors. Our objective to supply a piece of equipment to our customers that not only exceeds their expectations in performance but allows for ease of maintenance, replacement of normal wear items, […]

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Understanding the Functional Differences Between Drag Conveyor and En-Masse Drag Conveyor INTRODUCTION Chain conveyors whether known as Drags, Scraper, Paddle, or EnMasse all start out with a continuous chain and fixed flights operating within an enclosed trough. While each individual type functions somewhat differently, their purpose is to accelerate and move a bulk commodity from […]

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Fiberglass Manufacturer Reduces Maintenance Cost and Improves Operating Conditions with Drag Chain Conveyors to Handle Glass Cullet CHALLENGE A global fiberglass insulation manufacturer sought an improved method for handling glass cullet and batch. The screw and belt conveyors used in all of the North American plants to move glass and bulk material were causing excessive […]

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Ash Handling Efficiency Improves Operations and Reduces Maintenance for a Coal Powered Utility CHALLENGE A large +/-200 MW generation facility in Illinois had an ongoing maintenance challenge with the coal ash handling systems installed in the plant. Previous expansion left the utility with a range of different conveying equipment and complicated conveyor designs for handling […]

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Pulp and Paper Mill Cuts Maintenance Costs and Improves Operations with Salt Cake Conveyor Redesign CHALLENGE A Pulp & Paper facility in Northwestern Pennsylvania had extensive issues with conveyor corrosion and subsequent failure on the salt cake handling system due to the corrosive vapor that was generated when the cake was introduced to a black […]

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Utility Uses Farm Waste to Generate Power and Capitalizes on Revenue Streams CHALLENGE CDM was contracted to provide a layout, conveyors, drives, structural steel towers and catwalk trusses for approx. 500 ft. of the conveying distance. Total conveying distance of the product is approximately 600 ft. Conveyors were designed at a rate of 20 TPH […]

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En-Masse Twin Chain Retrofit Gets a Brazilian Wood Products Manufacturer Running at Full Capacity CHALLENGE Poor design and sizing of the existing conveyors complicated by incorrect flight selection meant the conveyors could not handle the required loads or the characteristics of the material. The material handling challenges lead to conveyor failure and unplanned downtime. PRODUCTS […]

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A University Reduces Maintenance and Increases Efficiency with a Complete Coal and Ash Handling System CHALLENGE A university in the northeastern part of North Dakota needed to upgrade their central heating system. The winters in the region are long and cold requiring a 7 month heating season. The aging system was costly to operate due […]

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Drag Chain Conveying System Supports Refinery Filter Cake Recycle and Reuse CHALLENGE A large oil company sought to expand refinery operations at one of their global locations. The expansion required an effective way to handle the filter cake at a new refinery. The high-volume of filter cake coupled with the system redundancy required by the […]

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