Whether it is the product of life or machinery, it can not exist in a state form in this life. The state is always changing at any time. When we determine the use state of the equipment, we can better control it. After the initial state of Roots vacuum pump is confirmed, our next work can be carried out well. The roots vacuum pump is equipped with an eccentric rotor with fixed blades to throw water (liquid) to the stator wall. The water (liquid) forms a liquid ring concentric with the stator. The liquid ring and the rotor blades form a rotary variable volume vacuum pump with variable volume. The roots vacuum pump is in the state of no process medium. Confirm that the coupling is installed, the protective cover is installed, the mechanical, electrical and instrument of the roots vacuum pump are confirmed, the pump turning is uniform and flexible, the inlet filter is cleaned and installed, confirm that the cooling water is led to the pump, confirm whether the lubricating grease is qualified, confirm that the lubricating grease of the bearing box has been filled, and confirm that the inlet and outlet valves of the pump are closed, Confirm the state of the pump motor switch and whether the pump motor is powered off. It can be seen that these confirmations can actually be a form of inspection. The above confirmations are related to the roots vacuum pump in many places, so that we can better ensure the development of our work.
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