18. Only specially trained technicians can operate, clean, dismantle and install horizontal screw centrifuges

Machine.

19. Do not start the centrifuge before it is completely installed.

20. When the running direction of the motor is opposite to the direction of the indicating arrow, do not operate the centrifuge.

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Alfa Laval Operation Manual 21. If the centrifuge is equipped with a frequency converter, ensure that its highest frequency will not cause the centrifuge to overspeed. And, should

The utility model provides at least two sets of separation protection devices that can work independently. See Section 6.9 of the Installation Data Manual. 22. Do not feed or water before the centrifuge reaches full speed.

23. When the centrifuge needs to operate on high temperature or corrosive liquid, please ensure that the accidental splashing of liquid will not hurt

24. When the centrifuge is stopped, do not let a large amount of high temperature or corrosive liquid enter the machine body from the feed pipe, because

They may harm workers under the centrifuge.

25. It is not allowed to start the feed pump or flush the feed pump before the unloading valve, unloading pump, and conveyor for conveying liquid or solid phase are opened

Washing centrifuge.

26. When operating the centrifuge with chain cover, always check whether the cover is due to human negligence or machine operation

If the cover is not tightly covered, it may cause an accident.

27. When the centrifuge is running at a high speed, do not touch the solid phase discharge outlet to prevent being injured by large pieces of material thrown out by the machine.

28. When lifting the whole centrifuge or parts of the centrifuge with a belt, such as rotating drum, it must be ensured that the lifting parts will not fall off.

29. When lifting the centrifuge assembly, four sling rings with the same length must be used and connected to the

The lifting eye is on the hook. The minimum length of the lifting chain shall conform to the size specified on the drawing. 30. If the drum is to be lifted, do not use the lifting eyes on the bearing housing.

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Alfa Laval Operation Manual Electrical Installation Safety Precautions

1. The installation and grounding of all equipment electrical parts must comply with the regulations of the local power management department. 2. On the main power supply system, a load isolator or circuit breaker must be installed (the main switch is turned off when starting).

3. Check whether the voltage and frequency are consistent with the values marked on the motor and other electrical equipment. 4. Cut off the power supply of all equipment before connecting or opening the test equipment.

Maintenance safety precautions

1. Overhaul of centrifuge must be carried out after consulting Alfa Laval. In any case, without Alfa Laval

With the prior written consent of the company, it is not allowed to

Rotating parts

Repair by welding, open flame heating, or other means. Otherwise, the components will be broken, which will cause equipment damage,

Cause loss of property and personal safety.

2. After maintenance, the centrifuge must not be started until the belt shield and other protective devices are reinstalled.

Recommended expanded reading: Alfa Laval, Alfa Laval rotor pump, AlfaLaval centrifuge