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HKY-65 Co-Rotating Parallel Twin Screw Extruder Machine Group （L/D=44）

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HKY-65 Co-Rotating Parallel Twin Screw Extruder Machine Group （L/D=44）

Introduction

 

HKY-65 Co-Rotating Parallel Twin Screw Extruder Machine Group （L/D=44）

Product: PP/PS+TALC/CACO3 filler masterbatch

Capacity: 200-300kg/h, depending on the formulation and processing tech.

Voltage: – Frequency: 380v/50hz

 

 

 

  Configuration of Equipment

1. Main Extruder Model HKY-65：

1.1 Main extruder is equipped with 1 set 75kw AC motor, max output rotating speed 500rpm, and YASKAWA drive for the speed regulation system;

1.2 New generation twin screw speed reduction distribution gearbox 1 set;

1.3 One Nylon Pin Coupling connection as safety clutch, to transfer the main power to the gearbox;

1.4 One set of volumetric feeder, motor power 0.75kw,with YASKAWA frequency inverter;

1.5 One suit of processing part: L/D ratio = 44:1, the barrels lined C shape alloy cover set; screw element adopt W6Mo5Cr4V2 material, through vacuum quenching, hardness HRC60-62;

1.6 One suit of barrels temperature control system: two cooling water pipes. Cooling water pipes and joint are all of stainless steel material; cooling barrels by soft water circulation, incl. heat exchanger, 0.55KW water pump, stainless steel external water box to cool the water.

1.7 One suit of vacuum system: incl. external stainless steel vacuum condensation pot and water ring vacuum pump.

1.8 One set of bracing extrusion head, incl. cast aluminum heater and die.

2. Auxiliary system:

1 set water tank;

1 set blower;

1 set pelletizer.

1 set screener

3. One suit of electric control system, instrument separate with the main extruder.

 

  Delivery

45 days after receiving the advanced payment. Delivery after acceptance inspection by the Buyer.

 

  Payment Terms

The contract becomes effective after 30% advance payment;

Balance be paid after equipment inspection and before shipment;

Technical Parameters

  HKY-65 Co-Rotating Parallel Twin Screw Extruder


1. Main Motor：

1.1 Manufactured by Siemens motor factory;

1.2 AC motor, power 75KW,rpm 500r/min;

1.3 Cooling mode; Fan cooling; Environment temperature≦40℃;Install Height≦1000m;
 


2. Gearbox：

2.1 New structure gearbox, high torque, high speed; material of gearbox is QT450;

2.2 The gear is grade 6, which is a high precision. High speed overloading hard-tooth surface. The materials are 20CrNi2MoA and 20CrMnMo,carburizing heat treatment of gears HRC60-62;

2.3 Involute gear teeth couplings between the output shafts and screw shafts;

2.4 Swiss SKF bearings; Integrated thrust bearing assembly is Name Luoyang.

2.5 The bearing and gears are forced to adopt the immersion oil-lubrication system. Oil pump motor power 0.55kW;

2.6 Skeleton oil seal adopt Taiwan Hansheng brand;

2.7 Tubular condenser, cooling area of 0.9 square meters;

Before delivery, the gearbox has been filled with lubricate oil. Fill the lubricate oil to the oil level once it declines during transportation, fill. Set up the extruder only after confirmation of the commissioning personnel of our company.
 

3. Feeder：

3.1 twin screw volumetric feeder, with YASKAWA drive;

3.2 AC motor, power1.1kw;

3.3 stainless steel hopper


4. Screw Elements:

4.1 Kneading blocks are made by CNC machining center, same size for different batches, with good replacement and self-cleaning quality;

4.2 Screw elements use Involute to connect;

4.3 Screw element diameter: 62.4mm; L/D=44:1; numbers of barrels:11;

4.4 Screw rotating speed: 500r/min.

4.5 Material of screw element: W6Mo5Cr4V2, Hardness: HRC60-62.
 


5. Barrel：

5.1 The barrels are made by CNC machining center and the aligning pin and inner hole is completed by machining center in one time. Inner hole is grade 6, which is a high precision. After assembly, the concentricity error is 0.05mm, thus greatly enhance the self-cleaning of screw and reduce energy consumption;

5.2 The barrels are equipped with stainless steel integral shielding which are secure, good-looking and power frugal;

5.3 The barrels are produced with C shape alloy cover：HRC60-62;

5.4 The 2nd and 3rd barrels adopt cast-copper heaters. Other barrels adopt cast-aluminum heaters. The barrels use soft water cooling.

5.5 The first (1) barrel is feed barrel, the sixth (6) barrel is nature exhaust barrel and the tenth(10) barrel has vacuum exhaust mouth and the rest are closed barrels.
 

 

6. Barrel Temperature Control System：

6.1 Heating and cooling is controlled by temperature control meter through the solid-state relay or electromagnetic valve, thus form a closed-loop system to control the barrel temperature. The temperature control accuracy is ±1℃ and control the flow by stop valve;

6.2 Two cooling water pipes. All the cooling pipes and joints are of stainless steel; Soft water circulation system, including heat exchangers, 0.55kw water pump, stainless steel external tank.

 


7. Vacuum System:

7.1 External stainless steel vacuum condensation pot;

7.2 Water ring vacuum pump, motor power 1.5kw;

7.3 Field pipe layout;
 

 


  Auxiliary system

1. Extruder Head:

1.1 Alloy steel head body;

1.2 Nitride steel concentric plate 72 holes, diameter 2.8mm;

1.3 Cutter:2~4;

2. Water Ring Cover:

2.1 Stainless Steel Roller Water Ring Cover;

2.2 Stainless Steel Receiving Basin;

 


3. Hot-Cut Palletizing System:

3.1 water ring pelletizer, motor power: 1.5kw;

3.2 Pelletizer car with guide rail;

3.3 with NIDEC frequency inverter;


 


4. Dewatered Equipment：

4.1 Vertical centrifugal dewater 7.5kW;

4.2 With little cyclone;

4.3 Stainless rotor and stator，stainless body;
 


5. Fan-Driven Cooling System:

5.1 High-pressure conveying fan, 4kW;

5.2 Stainless steel cyclone separator, Ф800mm, with carbon steel support;

5.3 Stainless steel pipes, tees, cyclone separators, elbows;

 


6. Storage Silo

6.1 High-pressure conveying fan, 4kW;

6.2 Stainless steel cyclone separator, 1200mm diameter, including carbon steel support;

6.3 Stainless steel pipes, tees, cyclone separators, elbows;

 

 


  Electrical Instruments Control System

 

1.Control instruments adopt the following brands:

1.1 Temperature control meter: omron;

1.2 Main extruder Frequency Inverter: YASKAWA;

1.3 Feeder frequency inverter: YASKAWA;

1.4 Main control switch: LG;

1.5 Low-voltage electric elements: Schneider;

1.6 Cooling electromagnetic valve: CEME;

1.7 AC contactor: Schneider;

2. General interlock and alarming:

2.1 The interlock protect of oil pump and main extruder;

2.2 Over-electric current, over-pressure alarming, emergency stop protection;

2.3 Main extruder fault alarming, emergency stop protection;

3. General illuminated button indicate switches:

3.1 Emergency stop switches;

3.2 Alarming reset;

3.3 Main motor start;

3.4 Main motor stop;

3.5 feeder start;

3.6 feeder stop;

3.7 Oil pump start;

3.8 Oil pump stop;

3.9 Water pump start;

3.10 Water pump stop;

3.11 Vacuum pump start;

3.12 Vacuum pump stop;

4. LED Indicator:

4.1 Power LED;

4.2 Main extruder fault LED indicator;

4.3 Main extruder over-electric current LED indicator;

4.4 Main extruder over-pressure LED indicator.

5. Digital display and controller:

5.1 Temperature control of all sections;

5.2 Temperature control of extruder head;

5.3 Main motor electric current;

5.4 Rotating speed of main extruder and feeder;

5.5 Melt temperature;

5.6 Melt pressure.

The Above Configuration Power Voltage Only Confine To Standard Power Supply 380v 50hz.

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