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  • Condition: Used
  • Year: 2011
  • Screw Design: Double-screw
  • Place of Origin: Jiangsu, China (Mainland)
  • Model Number: SHJ-92


Twin screw Compounding Extruder

2. One set of SHJ-92 Twin screw Compounding Extruder

2.1 Three sets of Gravimetric feeding system

2.2 Steel frame

2.3 SHJ-92 Twin screw compounding extruder

2.4 Vacuum system

2.5 Continuous hydraulic screen exchanger

2.6 Gear pump

2.7 Electrical control panels


3. Configuration of SHJ-92 Twin Screw Compounding Extruder:

3.1 Gravimetric feeding system  

A. Granular feeder (on the No. 1 barrel)

Feeding capacity: 500-800kg/h

   For granular

   Single feeding screw, rotating speed is controlled by inverter

   Feeding capacity is controlled by PL 

Additive feeder (on the No 1 barrel)

Feeding capacity: 5-30kg/h

   For powder

   Twin screw, rotating speed is controlled by inverter

   Feeding capacity is controlled by PLC

   There is vertical agitator in the hopper

 Granular feeder (on the No.1 barrel)

Feeding capacity: 300-500kg/h

   For granular

   Twin feeding screw or twin screw, rotating speed is controlled by inverter

Feeding capacity is controlled by PLC

  Volumetric Feeder

Electrical equipment and control cabinet

Whole feeding system is controlled by industrial computer.

  1. It can realize running feeder and stop feeder automatically.
  2. It can set password for authority management and security

3.   It can save different know-how and operate by different know-how

4.   It can realize supervise operating technical parameter, auto alarm, print all kinds of record.

 Also provide whole set of steel shelf for loss-in-weight feeding system


3.2  SHJ-92 twin screw compounding extruder

Screw diameter: 91mm

Screw length (L/D): 40

Screw speed: 500r/min

Total length of barrels: 3600mm

Barrel number: 10

The individual barrel section are designed as:

Length of barrel #1-10 are 360mm

Barrel #1-10 made of bimetallic material

Hardened to >62HRC.


A pair of screw shafts, complete with screw elements:

Screw elements are made of high-speed tool steel (W6Mo5Cr4V2)

Hardened to >62HRC


All barrel sections heated electrically and cooled by water

Barrel arrangement:

1) Barrel#1: open barrel for feeder, with three gravimetric feeders, two for granule and one for powder, feeding hopper, PLC control

2) Barrel#2-4: closed barrel

3) Barrel#5: Open barrel, for vacuum

4) Barrel#6: closed barrel

5) Barrel#7: open for vacuum

6) Barrel#8: closed barrel

7) Barrel#9: Open barrel, for vacuum

8) Barrel#10: closed barrel


Heater arrangement:

1) Barrel #1: no heater, with cooling

2) Barrel #2: copper casting heater, heater is 14kw

3) Barrel #3: copper casting heater, heater is 14kw

4) Barrel #4,, #6, #8, #10: aluminum casting heater, each barrel heater is 10kw

5) Barrel #5,#7, #9: copper casting heater, heater is 7kw


Main motor: DC Motor, 280kw


High torque gear box with thrust bearing assembly and oil lubrication system

Screw rotating speed 500r/min

Torque: max. 2674Nm/each screw


3.3 Vacuum device  

SIEMENS ELMO--F Liquid-Ring Vacuum Pump

Suction capacity: max. 80M3/hr

Drive power: 2.35kw


3.4  Continuous Screen exchanger

      Hydraulic station motor power 2.2kw

Pressure and temperature control system

Max. pressure: 20MPa


3.5 400 CC gear pump

     Motor 22kw

     Control by inverter

     Rotating speed 0-80rpm


3.6 Electrical equipment and control cabinet            

Designed for 3*380V, 50 Hz

DC-Motor is 280kw, at max. 1500 r/min

Control cabinet for the control of the SHJ-92 twin screw compounding extruder and the Auxiliaries.

IP 54 standard proof control panel with quick connection

CE mark electricity control system



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