Sewage Sludge Transport with the Tube Chain Conveyor

Mechanical Conveying

Sewage Sludge Transport with the Tube Chain Conveyor

A suitable Solution for the Intraplant Transport
The ever increasing amount of sewage sludge from waste management companies poses a major challenge for all aspects of mechanical materials handling. The hermetically sealed tube chain conveyor system provides for the safe, gas-tight, and odorless transport of sewage sludge.
(ed. WoMaMarcel - 18/9/2015)
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Lowering Operational and Energy Costs

The basis for any successful and safe operation of a sewage sludge drying plant is a reliable and low-maintenance overall system. Especially when handling abrasive and corrosive sewage sludge, the focus should be on high-quality and low-maintenance system components. Each malfunction or repair has a negative impact on the performance data of the system. This includes not only the actual drying plant but also the conveyor system as part of the periphery.

Each tube chain conveyor can be customized to the product that is to be transported from a selection of several mild or stainless steels as well as different disc materials. The low chain speed results in a long service life and minimum wear on the conveyor system. Therefore, maintenance and repair work on tube chain conveyors can be kept at a minimum so that the conveying process, and thus the production process, is not subject to longer interruptions. Only the chain tension and those components that are subject to wear, such as the conveyor discs, should be checked regularly through the maintenance openings.

Compared to other conveyor technologies, tube chain conveyors can be operated using very little energy and their low system and operational costs contribute to cost savings. Due to the simple conveying process, this conveyor requires no expensive fixtures and only minimum control engineering since the bulk material flow is controlled via the chain speed or bulk material feed. 

Gentle Bulk Material Transport

In order to obtain a high-quality final product, it is important that the sewage sludge granules or pellets remain in their original state. For this reason, conveyor systems are designed in a way that the product hardly mixes during transport and that extremely smooth surfaces will cause no more than partial grain friction on the tube. Low chain speeds and the low weight of the chain guarantee the gentle transport of the product with almost no grain destruction, unlike the frequently used screw conveyor.

Cleaning Accessories for adhesive Products

The tube chain conveyor is suitable for dried sewage sludge as well as for slightly adhesive sludges. Special tube materials with smooth surfaces, a material combination of different stainless steels and disc plastic developed specifically for this purpose, reduce the adhesion of the product and thus facilitate trouble-free transport. A design with next to no dead space prevents the build-up of residues within the conveyor systems.


Special cleaning accessories like motorized brushes allow for the transport of sticky materials.

In addition, it is possible to install various cleaning tools such as brush systems, scraping sprocket wheels, cleaning discs, and vibration or jetting systems in order to separate adhesive or non-free flowing bulk materials from the chain and conveyor discs.

Versatile Use in almost all Industries

Tube chain conveyors are utilised for the transport of a large variety of bulk mat­erials. They are, for example, used for dried sewage sludge in the waste industry and cement industry, but are also suitable for use in a number of other industries, such as the food, chemical, or plastics industry.

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