SHJS50/120 Double Stage Mixing and Extrusion Unit

SHJS50/120 Double Stage Mixing and Extrusion Unitconfiguration

1、 SHJS 50/120 Technical Parameters

Twin screw aspect ratio: 32:1

Single screw aspect ratio: 7:1

Twin screw motor power: 45KW

Single screw motor power: 37KW

2、 Unit configuration

A. SHJ 50 Twin Screw Mixing and Extrusion Unit

a、 One twin-screw metering feeder

b、 Gear reducer

1) Reduction ratio: 3:1

2) Output shaft speed: MAX500RPM

3) Input shaft speed: MAX1500RPM

c、 Lubricating oil cooling system

1) Oil pump motor 0.55KW

2) Lubricating oil model: Shanghai Haipai 6402 medium load gear oil, model 85W/90GL-4

3) Brand: Xi'an Oil Pump Factory

4） 冷凝器型号： SL-305

5) Lubricating oil pump model: NB-B10

d、 main motor

1) Main motor: 45KW (AC motor)

2) Motor speed (MAX): 1500RPM

e、 screw

1) Screw diameter:

2） 50.5mm， Large diameter: D=Φ 50.5mm, small diameter d=Φ 32.5mm, D/d=1.55, center distance: A=42mm, torque: T=400N. M Torque coefficient: T/A ³=5.1.

3） L/D=32:1

4) The screw is in the form of building blocks

5) The screw core shaft is made of 40CrNiMoA material, and the threaded element is connected to the core shaft in an involute shape, which has high strength, high load-bearing capacity, and easy disassembly and assembly.

6) The material of the screw component is 38CrMoAlA. Nitriding treatment, hardness HV950~1050HV, nitride layer depth 0.4-0.5mm

f、 barrel

1) The material of the barrel is selected as 38CrMoAlA, treated with nitriding, with a hardness of HV950~1050HV and a nitriding layer depth of 0.4~0.5mm

2) The feeding cylinder is used as the feeding cylinder, the eighth cylinder is used as the extrusion cylinder, and the rest of the cylinders are closed cylinders. The single and double connecting bodies are equipped with vacuum devices.

3) Soft water circulation system

3.1 Soft water cooling is used inside the barrel

3.2 The soft water tank is separated from the machine body for easy cleaning and maintenance

3.3 Imported solenoid valves from Italy

3.4 Copper pipes with chrome plating treatment are used for water pipes

3.5 Cooling method: Water cooling

3.6 Cooling pump: 0.55KW

3.7 Water tank capacity:~120L

h. SJ-120 single screw extruder

1. Screw diameter: 120mm

2. Length to diameter ratio L/D: 7:1

3. Screw maximum speed: 85rpm

4. The single screw cylinder and screw are made of 38CrMoAl material nitrided treatment, and the screw core can be cooled by water.

5. Gearbox reduction ratio: 20:1. The gear is made of 20CrMnTi material. The lubrication system adopts self-lubricating internal cooling.

6. The single screw cylinder is heated by a cast aluminum electric heater; The barrel adopts water cooling.

7. Main motor: 6-stage AC 37KW

8. One piece of connecting body for twin-screw and single screw, made of stainless steel, with vacuum pumping.

9. Vacuum degassing device

1) BC-65 water ring vacuum pump, Zibo Lianyi Vacuum Pump Factory

2) Drive motor: 1.5KW AC

3) Maximum suction capacity: 60m ³/h

4) Working fluid volume: 0.2 m ³/h

5) Chromium plating treatment for vacuum pipelines

6) Upper cover with mirror (sealing ring with three pieces)

10. A set of plate hydraulic screen replacement and cast copper heater. The motor power of the hydraulic station is 1.5kW.

i、 electric control system

1、 3X380V， Communicate at 50Hz

2. The main electrical control components are Siemens products

3. The control button is a Schneider product from France

4. The main motor is an AC motor of 45KW, and the twin-screw host speed control device is a Fuji frequency converter speed controller

5. The single screw main motor is an AC motor of 37KW, and the speed control device of the single screw main engine is a Fuji frequency converter

6. The speed control device of the feeder is a Fuji variable frequency speed controller

7. The temperature control instrument adopts RKC products, dual channel, intelligent type, with one temperature control for each zone.

8. The range of the pressure gauge is 0~25Mpa

9. The solenoid valve is imported from Italy

10. Heating is controlled by a temperature controller through a solid-state relay, using high-temperature resistant wires

11. Electrical control cabinet control includes: temperature control system; Drive system; Interlocking control system

j、 Interlocking control system

1. The oil lubrication system is interlocked with the main engine, that is, the main engine can only be started after the oil pump is started.

2. The feeding system is interlocked with the main engine, that is, the feeding machine can only be started after the main engine is started.

3. The pressure system is interlocked with the main unit, which means that when overpressure occurs, both the main unit and the feeding system stop working.

4. The current is interlocked with the host, that is, when there is an overcurrent, both the host and the feeding stop working.

B、 A set of enthusiastic auxiliary machines

1. One hot cutting template with 64 holes and a diameter of 2.8mm

2. One hot knife holder and four knives

3. One hot cutting granule cover, made of stainless steel, equipped with lighting and observation holes

4. Hydraulic plate type screen replacement, cast copper heater, hydraulic station motor power 1.5KW

5. Use a melting temperature thermocouple to measure the melting temperature of materials, and use a pressure sensor to measure the pressure of materials

6. One hot cutting granule truck with a motor power of 2.2KW, using Fuji variable frequency speed regulation

7. One Wen's tee connected to the hot cutting cover, with a diameter of 130mm

8. One high-pressure conveying fan with a power of 3KW

9. The diameter of the grade conveying stainless steel pipeline is 130mm and the length is 8m

10. One cyclone separator of grade *, made of stainless steel with a diameter of 630mm

11. One second stage high-pressure fan with a power of 2.2KW for conveying

12. The diameter of the second stage conveying stainless steel pipeline is 130mm and the length is 8m

13. One second stage cyclone separator, made of stainless steel with a diameter of 630mm

14. One 300 type vibrating screen

3、 Spare parts and random tools

1. List of spare parts/vulnerable parts

1) Threaded component~400mm

2) Electric heater twin-screw barrel heater 1 set

1 set of single screw barrel heater

1 set of copper heater for mesh replacement casting

3) 4 skeleton oil seals

4) 2 O-rings

5) 50 blades

2. Tools and Random Checklist

1) 1 random toolbox

2) Two pairs of asbestos gloves

3) 1 technical document

4、 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

5、 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.

6、 Materials: One set of electrical installation drawings, one manual for twin-screw extruder, one manual for frequency converter, one manual for temperature controller, and one screw combination diagram.

7Full set unit price

8、 Payment method: 30% advance payment, the contract will come into effect after the advance payment is made. 65% payment will be made upon delivery, and the remaining 5% must be paid in full within six months after the equipment is debugged and qualified at the user's site;

9、 Delivery time: Forty days after the contract takes effect (subject to the receipt of the advance payment), according to the delivery note, excluding the time during transportation. The equipment will be debugged within one week after arrival at the factory.





Double screw extruderFor detailed information, please consult the website: http://www.njscsj.com/