Step 1 prepare for driving

1.1 introduce low-pressure N2 into the device, and open the stop valve of the granulation main gallery.

1.2 introduce instrument air to the device, and open the stop valve of the granulation main gallery.

1.3 introduce factory air to the device, and open the stop valve of granulation main gallery.

1.4 Introduce refined water to the device, and open the stop valve of the granulation main gallery.

1.5 Introduce low-pressure steam to the device, and open the stop valve of the main granulating gallery.

1.6 Introduce circulating water to the device, and open the stop valve of the main gallery of the granulating pipe.

1.7 Single machine commissioning completed

1.8 Mechanical debugging of extruder is completed.

1.9 The instrument, control valve and interlocking system are jointly calibrated and put into use.

1.10 Safety, fire fighting and communication facilities are in good condition for standby.

1.11 Safety valve is verified to be qualified and put into use.

1.12 Device power supply has been sent.

1.13 Confirm the alarm list and eliminate the alarm.

2 Put powder conveying PK801 system into use, and check that D802 of powder warehouse reaches normal material level.

3 putting-in-service proactively centralized suction system and central dust removal system

After the additives are ready, you can feed EX-851 at any time.

5 putting into use EX-851 auxiliary system

5.1 putting-in-service proactively main reducer lubricating oil system

5.2 putting-in-service proactively main motor lubricating oil system

5.3 Putting-in-service proactively cylinder cooling water system

5.4 Electric heating system

5.5 putting-in-service proactively heat transfer oil system

5.6 putting-in-service proactively main motor cooling water system

5.7 putting-in-service proactively start-up valve and hydraulic oil system of net changer.

5.8 putting-in-service proactively screw shaft end seal

6 putting into use EX-851 downstream system

6.1 Putting-in-service proactively granular water system

6.2 putting-in-service proactively PK804 system

6.3 Start the dehumidifying fan EX-A608

6.4 Start the vibrating screen EX-A511

6.5 Start the centrifugal dryer EX-A504.

6.6 Installation of protective cover for granulator

6.7 putting-in-service proactively cutter hydraulic oil system

6.8 sharpen the knife

6.9 putting-in-service proactively PK901 system

7 EX-851 has the starting conditions.

7.1 Confirm that all dynamic equipment of granulation system is powered on.

7.2 Confirm that the additive is prepared.

7.3 Confirm that the silo D802 reaches a high material level, and open the manual slide valve at the lower part of D802.

Confirm that the cutter head is installed, and the cutter is sharp and without gaps.

7.5 Confirm that the speed of EX-851 is adjusted to a certain gear)

7.6 Confirm that DCS and main control panel have no abnormal alarm.

7.7 Confirm the cooling water flow of the main motor.

7.8 Confirm that SF801 meets the startup conditions, and operate automatically.

7.9 Confirm that W801 meets the starting conditions, and W801 "interlock" operation mode.

7.10 Confirm that RF802 meets the startup conditions, and operate automatically.

7.11 Confirm that W804A/B/C/D/E meets the startup conditions.

7.12 Confirm that silicone oil, shovel, hook and car are in good condition for standby.

7.13 Confirm that the centralized suction system and the central dust removal system are put into use.

7.14 Confirm that the upstream gate valve of RF802 is open.

7.15 Confirm that A-504 is put into use.

7.16 Confirm A608 putting-in-service proactively

7.17 Confirm that A-511 is put into use.

7.18 Confirm that ESV83503 is tangential to the ground.

7.19 confirm the cylinder cooling water system putting-in-service proactively

7.20 Confirm that the heat transfer oil system is put into use.

7.21 Confirm that the temperature of each section of the extruder is normal.

7.22 confirm that P851A/B is running normally.

7.23 valve esv83550 is closed, and valve ESV83551 is opened for small circulation.

7.24 Confirm that the lubricating oil of the main motor is running normally.

7.25 Confirm that the lubricating oil of the main motor reducer is running normally.

7.26 Confirm the operation of C804A

7.27 Confirm that the destination bin has been selected.

7.28 W804A/B/C/D/E "Automatic" Operation Mode

7.29 Set W801 flow value to 15t/h.

7.30 Set the ratio of W804A/B/C/D/E to W801.

7.31 Set the throttle valve to be fully open.

7.32 Set the speed of the granulator to 550rpm.

7.33 Clean all knives and apply silicone oil.

7.34 Confirm that the discharge valve ESV83446 of granulating water chamber is closed.

7.35 for granulating room lighting.

7.36 Confirm that the discharge valve at ESV83446 is closed.

7.37 Confirm that the operation mode of the A-504 bulk catcher valve is "manual" and in the "open" position.

7.38 Cut the starting valve to the ground.

7.39 Confirm that instruments such as friction clutch are used for venture capital.

0 Confirm that the switching of the network changer is normal and easy to use.

1 Confirm that the car is away from the film in the film release state.

2 PLC control panel and DCS control screen have no abnormal alarm.

3 Confirm that the friction clutch is normal.

4 driving related personnel in place, ready to drive.

8.EX851 startup

8.1 Drive motor clutch

8.2 The clutch of starting motor has been "engaged"

8.3 "Start-up motor allowed light" is on.

8.4 Click on the PLC screen and press the start button to start the motor.

8.5 After the motor torque value of the starting motor is less than 5 seconds after XSL83230, and the starting motor has been running for 30 seconds, the signal that the main motor can run is sent.

8.6 "SO3 start MD1" on PLC flashes blue.

8.7 Click "SO3 start MD1" on the PLC, and press the start key to start the main motor.

8.8 SF801 self-starting

8.9 W801 and W804A(BCDE) self-start.

8.10 Drag the material at the starting valve

8.11 Observe the melting condition and cleanliness.

8.12 according to the observation and material requirements, adjust the throttle valve opening on the PLC screen.

8.13 Adjust the heating temperature of cylinder in each district on PLC screen.

8.14 After the molten material is qualified, the manual key switch HS83402 on site makes the start-up valve point to the template.

Drag the material at the template.

8.15 Carry out beam assembly and run formwork punching with a load of 15t/h.

8.16 The template material flow is constant and uniform, and there is no wave discharge and cracking sound.

8.17 After all the mould holes are clear, the manual key switch HS83401 makes the start-up valve point to the ground.

Drag the material at the starting valve.

8.18 Remove the protective cover of the granulator head.

8.19 Site personnel shall quickly clean the template and spray silicone oil on the template.

8.20 Improving W801 blanking capacity on PLC screen

8.21 Check that there is no sundries on the track of the granulating trolley.

8.22 Manual key and switch on site, and the granulator car moves forward.

8.23 The movement of the dicing cart must be completed within three minutes, otherwise the signal will disappear.

8.24 The granulator head is locked and started, and the mode locking is completed.

8.25 The system operation mode is in "manual mode" mode.

8.26 After the granulator is docked in place, the granulator motor starts automatically.

8.27 the esv83445 is energized to make the cutter move forward axially.

8.28 The granular water valves EX-A517A and EX-A517B operate, and granular water enters the granulating chamber.

8..29 Auto-steering Template for Start-up Valve

8 .. 30 After 2 minutes, the granular water enters EX-A504.

8..31 Adjust the motor speed of the granulator.

8..32 Check that the particle shape meets the standard.

8..33 The granulator runs stably.

8..34 ESV83503 tangential vibrating screen EX-A511

8..35 ESV83502 tangential vibrating screen EX-A511

8..36 PLC machine lift the load, and lift 1t/h every 2 minutes to meet the process requirements.

8..37 Adjust the cutter speed on PLC according to the particle size.

8 .. 38 There is no block accumulation at the valve of ESV83501.

8..39 Clean and bag the granular materials and blocks in the collection tank below EXV83501.

8..40 control the temperature of water for granulating TIC83531 stable: 50℃

8..41 Close the low-pressure steam hand valve leading to D856.

8..42 Contact the instrument to put into use online MFR analyzer.

8..43 Extrusion granulator runs normally and the product quality is qualified.

9.EX-851 parking

9.1 Stop the granulation unit.

9.2 Slowly reduce the load and observe the torque of the main motor.

9.3 manually press SQ2 stop button on PLC screen.

9.4 main motor stop

9.5 Clutch Disengagement

9.6 The feeding system stops automatically (RF802, W801, W804A/B/C/D, P810A/B, P811A/B, SF801).

9.7 15 seconds cutter back from the template.

9.8 Stop the granulator for 30 seconds

9.9 After 30 seconds, the water bypasses tangentially.

9.10 valve esv83550 is closed, and valve ESV83551 is opened for small circulation.

9.11 Turn the key manually at the scene and press the switch at the same time to make the driving valve point to the ground.

9.12 Open the drain valve at ESV83446.

9.13 The water in the granulating chamber is drained.

9.14 Manually turn the key of the granulating trolley at the scene and press the switch at the same time.

9.15 Release the mold, move the granulating trolley back to the position, and loosen the key and switch of the granulating trolley.

9.16 Thoroughly clean the template, apply silicone oil and check the cutter head.

9.17 Stop the melt indexer.

9.18 Confirm that there is no material at the starting valve.

9.19 Switch and clean the screen changer.

9.20 Stop EX-A504

9.21 Stop EX-A511

9.22 Stop EX-A608

According to production needs, you can choose to complete the following operations if you need to stop for a long time.

9.23 Contact the main motor for power failure.

9.24 contact driving motor power failure

9.25 Contact throttle motor for power failure

9.26 granulator motor power failure

9.27 The hydraulic motor of the granulator is powered off

9.28 Contact A-504 for power failure.

9.29 Contact A-608 for power failure.

9.30 Contact A-511 for power failure.

9.31 open ESV83501.

9.32 Clean up the granular materials and blocks in the ESV83501 collection tank.

9.33 ESV83503 switch to ground.

9.34 Stop additives and feeding system

9.35 Stop centralized suction system and central dust removal system.

9.36 Stop EX851 auxiliary system.

1) Stop cutting granular water system

2) Stop the cylinder cooling water and electric heating system.

3) Stop the heat transfer oil system.

4) Stop the lubricating oil system of the main reducer.

5) Hydraulic oil system of stop-start valve and screen changer

6) stop the main motor lubricating oil system.

7) Stop circulating cooling water system

8) Stop the instrument air and nitrogen system.

9.37 Stop PK804 system.

9.38 stop PK801 system

9.39 Stop PK901 system.

9.40 Stop public works

If you are looking for extruder products, or want to know some knowledge about extruder products, you can contact Wohe Hardware Machinery Co., Ltd., our company has a group of high-quality technicians and professional staff, and sincerely serve you!