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Chain conveyors

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Chain conveyors

The chain conveyor transports powders and granules in a fully enclosed trough, in which a chain with flights runs.

In a horizontal and slightly inclined configuration, a layer thickness is conveyed that is much higher than the chain itself. The system is suitable for controlled and dust-tight transport over relatively short to medium distances.

Chain conveyors can be executed in S-shape and C-shape, enabling complex routes to be realised with a single conveyor.

Application chain conveyors

If products are non-sticky, they are suitable for a chain conveyor.

  • Products that are readily possible:
    – Granules: all types of grain, animal feed, cement, biomass, lime, sulphur, cocoa beans, coffee beans, sugar, salt, nuts, peanuts, almonds, sand, gravel, etc.
    – Powders: flour, meal, semolina, starch, milk powder, cocoa powder, dried vegetables, bentonite, fly ash, stone meal, etc.
  • In industries such as agriculture, chemical, food, food ingredients, minerals, construction materials, biomass, recycling industry, wastewater treatment, etc.
  • Chain conveyors are suitable for much higher temperatures than conveyor belts. All components are made of steel and can be manufactured in heat-resistant steel if required.
  • Chain conveyors are most suitable for lengths from 8 to 80 metres. The limiting factor for the length is the tensile load in the chain.
  • Multiple volumetric dosing inlets and outlets with or without slide gates can be freely positioned, for example for unloading or filling a row of silos.
  • For transport in two directions, either a double bottom or two drives are applied
  • Applicable in straight, Z-, S-, or C–shaped routes
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About Jansen&Heuning

Jansen&Heuning has been manufacturing installations for storage and bulk handling since 1901. Creative solutions for bulk handling are designed and built in The Netherlands and installed all over the world. Key success factors are our in-house engineering, dedicated employees and down-to-earth approach. We think along with our customers and come up with reliable standard products and professional, custom-made solutions.

more about us
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Types of chain conveyor

On the product pages, information is provided about the various types of chain conveyors.

  • For horizontal and slightly inclined transport, the “Chain Conveyor Heavy Duty”, type “JHK-HD” is the solution
  • For S- and C-shape configurations, the type “JHKS”
  • The “truck unloader” is a specific version for unloading moving floor trailers (“walking floors”)
  • The “chain conveyor – Light Duty”, type “JHK-LD” is developed for installations that are not continuously in operation

Advantages of chain conveyors

  • Fully enclosed, therefore dust-tight and safe
  • Easily maintained under negative pressure with a small spot filter
  • Suitable for high temperatures
  • No contamination when changing products
  • More energy-efficient than screw conveyors, especially when plastic bottom plates are applied
  • Long service life provided that chain speed is not selected too high
  • Volumetric dosing inlets at all positions
  • Outlets with or without slide gate at all possible positions
  • Low and simple maintenance
  • Chain tension easily adjustable at the tensioning station
  • Due to the low speed, limited ATEX provisions are required, if applicable

Execution options and accessories chain conveyor

  • Chain conveyors are available in many configurations
  • All possible material types for trough and chain (steel, stainless steel, heat-resistant, wear-resistant, etc.)
  • Plastic bottom plates for low friction
  • Controlled capacity with adjustable layer thickness at the inlet
  • Outlets: open, with electro-pneumatic, electric or manual slide gate
  • Slide gates with spill collection
  • Scraper strips on the flights to clean the corners
  • Return buckets on the chain for complete cleaning of the trough
  • Double bottom for transport in two directions
  • Drives on both ends for transport in two directions
  • Overflow valve with sensor for full or blocked discharge
  • Speed monitor for detecting chain breakage or drive failure
  • Indoor or outdoor installation

Calculate your own conveyor system

Do you want to know which system is right for you? With the Jansen&Heuning calculation tool you can calculate yourself (for free!) which product suits best.

Is the chain conveyor not the ideal solution for your situation? Then take a look at our belt conveyors, screw conveyors and bucket elevators. Or contact us. We will look for a solution together.

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