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Jet Mill's Accurate Running and Scientific Maintenance
1. Jet Mill is ready
1. Check the host, connect, pipe, pipe, valve, etc. before startup. It is a certain situation.
2. Set the frequency and bandwidth of the pulse controller to ensure smooth flow of the filter bag.
Second, open the machine
1. Open and output the cooling valve before opening the air compressor and the freeze dryer to ensure normal flow of cooling water.
2. The start operation of the compressor should be performed according to the instruction of the compressor.
3. The pressure regulator of the compressor can adjust the pressure of the tank to a pressure greater than 0.1 MPa.
4. Open the freeze dryer and confirm the pressure to meet the requirements.
5. Open the shaft cleaning valve and gas seal valve, adjust the pressure to 0.10.3 MPa, then start the grading wheel, and gradually adjust the required speed from zero from zero through the inverter.
6. Turn off the fan control valve, open the fan, then gradually open the fan entry valve, and adjust the desired air volume.
7. When the crushing pressure reaches 0.8 MPa, turn on the main valve; open the blowout counter, the anti-blow valve pressure reaches 0-4-0.6MPa; then open the whirlwind separator and the hydrophobic valve to unload the valve one by one.
8. When loading, pay attention to the control position, check whether the current limit value of the hierarchy impeller meets the requirements. If not, it should be reset.
Third, the operation requirement
This system uses advanced PLC + touch screen control mode, the terminal touch screen is the operating interface of the system, so accurately grasping all the key functions of the screen, which is critical to the correct operation of the system.
Fourth, shutdown
1. Stop the feed spiral feeder.
2. Turn off the main valve and stop the compressor.
3. Turn off the air fan valve and stop the fan.
4. Stop the grading impeller motor, close the cleaning valve and sealing valve. 5. Stop the cyclone separator and the hydrophobic valve.
6. After the stop, turn off the power of the control box.
Fifth. Precautions
1. When unloading, it is strictly forbidden to put the handle into the unloader exit to avoid homing.
2. The grading impeller speed cannot exceed the specified value, otherwise the grading wheel and the motor will be damaged.
3. The safety valve must be regularly calibrated.
Sixth. Maintenance and overhaul of air pulverizer
1. The operation of the air machine is cleaned once every week in the maintenance fan, especially the dust and dust on the scraper. Add lubricating oil (2 calcium sodium sodium grease) per month in the bearing box. If the fan insideIf there is abnormal sound or the body vibration, the fan should be stopped immediately.
2. The hosted of the wear of grading impeller, spiral feeder and grinding nozzles every twelfth month. After pulverizing 200-300 hours, it should be cleaned to the powder, pulverize the indoor wall and the graded wheel to prevent the effects of pulverization and grading. When the pulse valve works normally 200 ~ 300 hours, the filter bag must be cleaned or replaced. Grading motor bearing lubrication. When running 2000 hours, the molybdenum sulfide grease should be added properly, and the grease should not be added to add too much, otherwise the bearing temperature will rise.
3. During the operation of the machine, if the abnormal sound is found, the check should be stopped immediately. Clean the impeller and inner bonding every three months. 00 μL extreme pressure lithium based grease is added every three months.
4. The operation of the pulse bag filter is poor in the operation of the solenoid valve, checks once every three months and cleans the dust. Check the condition of the filter bag and replace each six months. If the ventilator is exported, check whether the filter bag is damaged or damaged. Whether the frame presses loose, the gasket is aging, and replaced. Pulse controllers and solenoid valves can be inspected normally before starting the machine.
5. The control cabinet control cabinet should pay attention to dustproof, closely using the control cabinet door to prevent dust from entering. Clean dust every half a month to prevent contact with poor contact.
Shandong AlPa Powder Technology Co., Ltd. mainly engaged in the production and development and service of Jet Mill product technology, welcome to consult. With good quality and service, affordable prices, customers provide Jet Mill's products and services for customers.
