Cutting and conveying: hopper pump with a cutting device

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Author: Rainer Gozzer

(c) Netzsch

This progressing cavity pump from Netzsch is equipped with a hopper and a coupling rod with feeding screw and force-feed chamber, which also houses the cutting unit. The pump can be used in many industry, foremost in food processing, where continuous, pressure-stable, gentle and low-pulsation conveyance of prior cut media is required.

If the medium passes the force-feed chamber with the cutting unit the larger fruits and vegetables are cut immediately. © Netzsch

The attached hopper ensures an efficient supply of the medium to the conveying elements. By passing the cutting unit in the feeding chamber larger pieces of the medium are cut. The cutting unit contains a rotating knife fixed on the coupling rod, which is equipped with three blades and a variable number of stationary knives. The number of knives can be adapted to the size and consistency of the particles.

Optionally the pump can be equipped with an additional cutting unit at the discharge flange of the pump. With its perforated disc and rotating knife it allows for further fine definition of the particle size.

Optionally the pump can be equipped with an additional cutting unit at the discharge flange of the pump. © Netzsch

This hopper pump with cutting device can dose the conveyed medium in proportion to the speed of rotation. As well in compact block construction with a flanged drive as with a bearing housing the pump is available for a wide range of drives.

www.netzsch.com

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