SHJS75/180 Double Stage Mixing and Extrusion Unit

SHJS75/180 Double Stage Mixing and Extrusion Unit

1 Production materials:（Production based on process formula）

II Power: The twin-screw motor is domestically producedZ4DC motor, power110KW；

Single screw motor for AC55kW.

III crew configuration

A、 SHJ-75Twin screw mixing and extrusion unit

1 One twin-screw metering feeder

1. 1The feeding motor is an AC motor, and the main feeding power is:1.5KW

1. 2The speed control system adopts Japanese Yaskawa variable frequency speed control

1. 3Gearbox speed ratio:11：1The screw is a double headed screw, and large blocks can be added without *, making it easy to use.

1. 4The motor and reducer are directly connected, and the feeding body is equipped with a horizontal mixer, ensuring smooth feeding without bridging.

1. 5The feeding body and hopper are both designed with streamlined structures, ensuring smooth feeding and easy cleaning.

1. 6 Vertical single screw forced feeding machine1Table, motor power1.5KWCommunication motor.

2 SHJ-75Double screw extrudera

2. 1transmission case

High speed heavy-duty hard gear pair, gear shaft material20CrNi2MoA，HRC58-62The deceleration system and torque distribution system are integrated into a compact structure, ensuring smooth torque transmission. The radial bearings of the output shaft for deceleration and torque distribution areSKFProduct. The maximum speed of the main screw can reach500rpm,The lubrication of gear pairs and bearings adopts external circulation forced lubrication, which is beneficial for cooling and temperature reduction. The power of the oil pump motor is0.55KW.

2.2screw

Self cleaning screw. diameterφ71.2mmThe aspect ratio is32：1The material is high-quality high-speed tool steel6542High temperature vacuum quenching heat treatment. The screw combination is in the form of building blocks, and the threaded element is connected to the core shaft with involute splines, which has high strength, high load-bearing capacity, and easy disassembly.

2.3barrel

All machine barrels are made of6542Steel as the matrix,8The inner hole of the character adopts a double alloy liner, and the length of the barrel isL=290mm/Festival, in total8Festival. The cylinder adopts electric heating and water cooling for precise temperature control.

2.4Soft water circulation cooling system

Cooling water pump motor power0.55KWThe external water tank cooler is convenient for maintenance, and the inlet solenoid valves are all imported from ItalyCEMEThe product is made of stainless steel for the shut-off valve and stainless steel for the cooling water tank.

3 electrical appliance control

3. 1The main motor is110KWDC, the speed control system is a British Continental DC speed regulator.

3.2The temperature control instrument for the twin-screw cylinder adopts the Shengang company's dual channel digital intelligent high-precision instrument（96X96）Accurate temperature measurement and control.

3.3Electric heater: Zone 2 and Zone 3 are cast copper heaters with power6KW/Section, other sections are aluminum casting heating areas, power4KW/Festival.

3.4The host current value is displayed on a Japanese monitor and is interlocked with the host to achieve instantaneous overcurrent shutdown protection;

3.5The thermal protection device of the host part and the main AC contactor are Siemens products;

3.6The control buttons and indicator lights are all products of Schneider Electric in France.

B、 One set of twin-screw and single screw connectors, using stainless steel special-shaped parts for connection, without material blockage, leaving a vacuum hole for extraction.

C、 SJ-180One single screw extruder

1 Length to diameter ratio:7：1

2 screw diameterφ180mmThe material is made of high-quality nitride steel38CrMoAlNitridingHV950-1050In depth0.4-0.5mm, brittlenessIGrade. Single screw core with water cooling.

3 Barrel: Made of high-quality nitride steel38CrMoAlThe single screw barrel adopts air cooling.

4 One single screw host, using an AC motor with a power of55KW(Communication). The variable frequency speed control system adopts the Yaskawa variable frequency speed controller from Japan, with a screw speed of6-60r/min.

5 The single screw cylinder adopts a cast aluminum heater with heating power14KWVentilation and cooling, fan power1.1KWHeating power of the machine head3KWCast copper.

DEager auxiliary machine

1 Network replacement device

1）Adopting a hydraulic plate type screen changing device, including a hydraulic station.

2）The template adopts three rows of holes, evenly distributed, which is conducive to preventing material adhesion.

2 One air-cooled die surface granulator, motor power1.5KW.

3 One Wen's tee connected to the hot air hood, with a diameter ofφ160mmHot cut hood with water jacket, made of stainless steel.

4 *One high-pressure conveying fan with a power of5.5KWThe pipeline is160mm, Long6m,diameterφ800mmOne stainless steel cyclone separator.

5 One second stage high-pressure fan with a power of5.5KWThe pipeline is160mm, Long6m,diameterφ800mmOne stainless steel cyclone separator.

6 Air cooled vibrating screen, axial flow fan blowing air, three outlets, long3.5m.

EOne electrical instrument control system

1 The temperature control meter for the host is a product of Japan's Shin Kong Corporation:

2 The current value of the host is displayed by Japan's Shinkansen, and all instruments are96X96Square meter, interlocked with the host to achieve overcurrent protection

3 The main circuit breaker isLGProduct

4 The thermal protector of the host part and the main AC contactor are Siemens products:

5 Control switch and indicator light are Schneider products from France:

6 The thermal protector and contactor of the auxiliary equipment are products of Schneider Electric from France

4、 Random spare parts and tools

1Transmission case input and output oil seals together4document

2Aluminum enclosed heater, copper enclosed heater each1pay

3Single screw heater 1pay

4Screw components ~300mm

5Exhaust chamberOO-ring 3document

6Asbestos gloves 2pay

7Internal hexagonal wrench 1set

8External hexagonal wrench 1set

9Cross shaped and one headed screwdriver each1document

10Hot cutting blade 30turn

5、 Training and Service

1 Provide on-site installation guidance

2 On site debugging and testing of equipment

3 Responsible for on-site operation training and maintenance training for personnel of Party A

4 Provide a one-year free warranty for equipment failures caused by design or manufacturing quality, and guarantee the supply of spare parts.

5 *Provide technical consulting services

VI Installation and commissioning: After the unit arrives, the purchaser shall install the unit in place according to the technical documents provided by the supplier. The supplier shall immediately send commissioning personnel to the equipment installation site of the purchaser to guide the commissioning and installation. The demand side should have the conditions for trial operation. After the unit operates normally, it will be handed over, and the purchaser should provide the supplier with a user acceptance report. The materials required for the trial run shall be provided by the purchaser, and the process conditions for the trial run shall be determined by the purchaser and agreed upon by both parties.