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02.09.2019 Mobile integrated hopper and screw feeders

Ajax Equipment, Bolton, UK, has supplied leading bioscience research specialist Pathway Intermediates with two stainless steel integrated hopper and inclined screw feeders. The new equipment is designed to increase significantly Pathway’s output of a mixed powder. Pathway Intermediates provides research input and innovation to the bioscience industry, primarily focusing on animal health.

The single screw feeders, inclined at 12 degrees, feature full flights with a variable pitch which ensure a consistent flow of material to a sieve and sack filler. Using a powder sample from the customer, Ajax conducted shear strength measurements as well as wall friction and bulk density tests. The resulting data was used to determine the hopper’s shape, slope and outlet size, as well as the interfaced screw’s size, geometry and speed.

The integrated hopper and screw feeders receive batches of the powder, controlling the feed into a sieving process prior to bagging. Each set of equipment sits on a frame, including load cells to monitor the hopper load, which itself is mounted on rails for plant configuration flexibility.

Mark BennettDoy, works engineer at Pathway Intermediates said: “We approached Ajax to supply a pair of augers and hoppers to receive bulk discharge of powder products from our mixing plant and to meter this through a sieving system to collection hoppers”.

“Our powder testing showed the material required a V-hopper with steep walls and a large outlet size for flow. However, careful screw design was needed to ensure the correct extraction over the extent of the large hopper outlet,” commented Eddie McGee, managing director, Ajax Equipment.


One of the pair of Ajax mobile hopper/screw feeder combinations supplied to Pathway Intermediates

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