Screw Feeder SCREW FEEDERS. Volumetric. Wolumetric. Feeder. Dosing assembly weight gain. Dosing assembly loss-in-weight

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Renata Madej
4 lat temu
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SCREW FEEDERS Wolumetric Feeder for high,

precise feeding of free-flowing materials.

feeding of a wide variety of bulk products.

through a dosing screw which conveys the

The feeders are placed on a stable frame

1 SCREW FEEDERS Wolumetric Feeder for high, regular or low throughputs, depending on the type of your bulk products. Capacity: Objectives: dosing of any kind of bulk materials form, constant and controlled feeding of your powders held in a hopper. Thanks to the exchangeable screw design system, our feeders can handle a wide variety of materials with a gentle and precise feeding of free-flowing materials. F The volumetric feeder provides accurate feeding of a wide variety of bulk products. The dosing of ingredients is conducted through a dosing screw which conveys the volume of material to feed. The rotation speed can be handled by a frequency F Tube ext. Ø in mm The weight feeder enables an automatic feeding of powdery or bulk materials by batch or in continuous process. The feeders are placed on a stable frame with a very efficient weighing system. This system works in gain-in-weight or loss-in- Dosing assembly loss-in-weight Dosing assembly weight gain 04 Download videos & layouts from our website 05

Technical Layouts 956 OVERALL - STANDARD VERSION 825 OVERALL (without valve) -

Hygienic design: allows an easy access to all parts of the feeder to clean, control

Agitator ensuring a constant feeding volume 315 130 140 3 279 339 366 339 618

Standard screw I I F The agitator rotates constantly or intermittently at

This intermittently operation allows an effective feeding of delicate, friable

F The pneumatic gate stops the product flow and averts the raise of humidity level.

2 Technical Layouts 956 OVERALL - STANDARD VERSION 825 OVERALL (without valve) - STANDARD VERSION Advantages 345 OVERALL 33, WITHOUT FORCED VENTILATION F Hygienic design: allows an easy access to all parts of the feeder to clean, control and disinfect F No mechanical friction on the handled material F High linear feed F Agitator ensuring a constant feeding volume OVERALL 706 OVERALL I Round section spiral without centre pipe spiral on pipe Standard screw I I F The agitator rotates constantly or intermittently at adjustable frequency. This intermittently operation allows an effective feeding of delicate, friable products which might bridge unless gently and regularly activated. F The pneumatic gate stops the product flow and averts the raise of humidity level. Application Rotation speed Theoretical throughput Light materials, granular mers in pellets tem 3 g 06 Downloadable videos & plans on our website 07

Technical Layouts 938 OVERALL - STANDARD VERSION 807 OVERALL (without valve) - STANDARD VERSION 1175 OVERALL - STANDARD VERSION 44 OVERALL (without valve) - STANDARD VERSION 335 OVERALL Ø 42,4 315

3 Technical Layouts 938 OVERALL - STANDARD VERSION 807 OVERALL (without valve) - STANDARD VERSION 1175 OVERALL - STANDARD VERSION 44 OVERALL (without valve) - STANDARD VERSION 335 OVERALL Ø 42,4 315 WITHOUT FORCED VENTILATION N OVERALL Ø 76,1 458 WITHOUT FORCED VENTILATION Ø ,5 596 OVERALL ,5 684 OVERALL OVERALL OVERALL Application Rotation speed Theoretical throughput Light materials, granular mate- pellets tem 3 g Application Rotation speed Theoretical throughput Light materials, granular mers in pellets tem Download layouts from Download videos & layouts from our website

4 Technical Layouts Particle size I 1236 OVERALL - STANDARD VERSION 75 OVERALL (without valve) - STANDARD VERSION Floor (Type 55) Sugar (cristal n 2 ) Plastic granules 514 OVERALL Ø 114,3 502 Crystal Correction factor (feeding rate of the screw) 0.96 WITHOUT FORCED VENTILATION F. Customer data ,5 353,5 671 OVERALL , OVERALL Type of coil Correction factor Calcium carbonate Screw with whaft Application Rotation speed Theoretical throughput Light materials, granular mate- pellets , , tem 20 g. Calculation formula Theoretical throughput =. Result Mass flow rates Type of feeder Theoretical throughput *See flow charts of the feeders F 700 kg/h. 600 kg/h. 500 kg/h. 400 kg/h. 300 kg/h. kg/h. 0 kg/h. Actual flow rate = Correction factor 0 kg/h. 5 Hz 15 Hz 25 Hz 35 Hz 45 Hz 55 Hz 65 Hz 75 Hz 85 Hz 95 Hz Motor frequencies = Download layouts from Download videos & layouts from our website 11

Capacity: Objectives: controlled feeding of materials The batch feeding system

The batch weighing provides a homogenous and complete control of the product

Weighing System I Parts in contact with the material / Structure and bolts

z Advantages F Load cells: system of three load cells to control the quantity

raise of humidity F Motor dedicated to drive the dosing system F Inverter to

neumatic closing valve of the filling tube There is three types of weight

most accurate measurement and control of individual ingredients fed into a

controls the weighing Continuous weight feeder: the feeder enables a

to get a constant flow rate load cells. Tube ext.

5 Capacity: Objectives: controlled feeding of materials The batch feeding system guarantees an accurate weighing for each batch (granule or powder). The batch weighing provides a homogenous and complete control of the product flows, a better accuracy and contributes to processing efficiencies. Weighing System I Parts in contact with the material / Structure and bolts Finishes of flange extremity Base capacity Weight Feeder tool rotor 0 Hz 50 H z Advantages F Load cells: system of three load cells to control the quantity of introduced powder F Closing membrane to cut off the product flow and avoid raise of humidity F Motor dedicated to drive the dosing system F Inverter to adjust throughputs Load cells to ensure a constant weight Dosing screw neumatic closing valve of the filling tube There is three types of weight feeders: Options Weight feeder in loss-in-weight: it provides the fastest and most accurate measurement and control of individual ingredients fed into a batch process Gain-in-weight batching: downstream the feeder, it doses and controls the weighing Continuous weight feeder: the feeder enables a continuous feeding by regulating its speed depending on the feeder loss weight to get a constant flow rate load cells. Tube ext. Ø in mm Sealed flexible connection without weighing interference 12 Downloadable videos & plans on our website 13 Local weighing display for direct information

6 Disassembly and Cleaning I Disassembly Cleaning I Design allowing rapid disassembly of the feeder to facilitate cleaning phases. The standard design enables dismantling and provides easy access to all parts to perform the manual cleaning. ments, etc... option on its entire range of dosing. This is guaranteed by the integration of rails and rollers on the flanges of the feeder. Drive unit drive unit Agitator F Dosing valve to ensure an accurate feeding. Very easy and quick disassembly. Dosing screw F Design and quick feeder disassembly to facilitate the cleaning steps Closing valve of the feeding tube 14 Downloadable videos & plans on our website 15

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