SJSZ92/188 Conical Twin Screw Extruder Configuration Scheme

1) Rack

Made by welding steel sections and plates, and subjected to stress treatment, it has high rigidity and minimal deformation.

2) Gearbox(Jiangyin Duoling brand, a famous Chinese brand)

The product design adopts the technical specifications specified in ZBJ19009-88, and the gear and shaft parts are made of high-strength alloy steel material. The gear accuracy is GB10095-88, grade 6, and the tooth surface hardness is HRC-6. The output shaft end is equipped with an oversized thrust bearing, which can withstand the back thrust of the screw. The main standard components such as bearings and oil seals are made of high-quality domestic products. The whole machine has high load-bearing capacity, smooth transmission, low noise, and high efficiency.

A. Reduction ratio: 36.25:1

B. Input power: 110KW

C. Using hard tooth surface grinding for gears, low noise, high lifespan, and reliable operation

D. Oil immersed lubrication system

3) Material barrel and screw

A. The material of the barrel and screw is high-quality 38CrMoAlA nitride steel

B. Nitriding layer depth: 0.4-0.7mm, nitriding hardness: screw 850HV, barrel 930HV

C. Screw diameter: small head 92mm, large head 188mm

D.screw length:2500mm

E.screw speed0～40rpm

F.Surface roughness of screw edges:0.4um

G.The total torque of the screw is 26300N · m

H.料筒内表面粗糙度: 0.4um

4) Heating system（heater)

A. The barrel adopts 7 sets of heaters, and the head is equipped with 7-10 zone heaters

B. Heating power supply: 3-AC3800V, 50HZ,

C. Aluminum casting for internal air ductHeater covered with stainless steel

D. BarrelHeating power 60kw

E.Reserved heating power for the machine head: 60-70KW

5) Cooling device

A. The barrel is cooled by 5 sets of centrifugal fans, with a power of 320W per zone

D. Fan power supply: 3-AC380V, 50HZ,

6) Main motor

A. Motor power: 110KW

B. Integrated installation of motor and host

C. Power supply: 3-AC3800V, 50HZ,

D. Motor synchronous speed 1450rpm

E. Motor manufacturer:Zhangjiagang Dongya

7) Quantitative feeding device and hopper:

A. Stainless steel circular hopper,

B. Quantitative feeding method: screw type quantitative feeding

C. Quantitative feeding speed regulation method: 1.5Kwvariable frequency speed control

8) Head connector and connecting flange:

A. Forged A45 # steel with precision machined inner lining plated with hard chrome, connected to the hexagonal bolt inside the machine head

B. Surface blackening treatment

C. The extruder is connected to the coupling body with Harvard locking mechanism

9) Vacuum dehumidification device

A. Vacuum pump power 3KW

B. Vacuum pump form: water ring vacuum pump

10) Electrical control cabinet:

A. Power supply: 3-AC380V, 50HZ

B. Variable frequency drive:Danfoss HOLIP frequency converter

C. Temperature control: 14 zones,CHB digital temperature controller

D. Independent electrical control cabinet:Siemens contactor

11) Other technical parameters

A. Maximum output 800kg/h

B. Extruder center height of 1000 or 1100mm