The old driver the right operation method of roots vacuum unit ( Collector)

roots vacuum water pump is widely used in chemical, food and pharmaceutical industries in the smelting, degassing, vacuum metallurgy rolling and vacuum distillation, vacuum concentration and vacuum drying. Vacuum pump parts are used for vacuum pump vacuum pump muffler noise management. Roots vacuum pump is so widely used, its operation method should all by heart, let's take a look at its operation method, friends can remember!

a, roots vacuum pump operation preparations

1. The operator must read instructions manual.

2。 Before using the product, please make sure that long time no products because of the influence of environmental factors.

3。 If during the work that the abnormal noise and vibration, please stop the operation.

4。 Electrical equipment enclosure must be grounding or connection to zero.

two, preparation before the start of the roots vacuum pump operation

1. Check the water pump ( Before the pump) Whether the water level of reach 3/4 of the tank. If not, please.

2。 Check the water tank used in the water is clean. Banning the use of sewage containing sediment, lest the pipeline, increase the wear of pump impeller, increase caused by the motor load, and affect the service life of pump.

3。 Check lubricating oil in the middle and primary pump oil level. It must be at 3/4 of the oil window. Check the color of the lubricating oil. If milky white or black impurity more, please inform the machine to replace the lubricating oil.

4。 Check the middle and primary pump circulating cooling water channel are in good condition, open circulating cooling water, the outlet valve, check into the circulating cooling water, the export is normal.

5。 Check whether the drain valve of the pump at the bottom of the buffer tank between closed.

6。 Check vacuum pump unit circuit are in good condition, the specification of control cabinet is normal.

7。 Check vacuum pump unit electrode contact pressure gauge in the middle of the pump and the main pump start-up pressure is normal, Middle of the pump inlet pressure is greater than zero. 065 mpa, main pump inlet pressure is greater than zero. 065Mpa) 。 Higher than 0. 085Mpa) 。

8。 After check and confirm the above program, then start the vacuum device.

3, roots vacuum unit operating instructions

1. Vacuum unit is uniform in the process of running the acoustic response, no noise and no abnormal vibration in the operation process.

2。 Note that the load of the motor and pump temperature rise of each part. Under normal circumstances, the highest temperature rise of the pump shall not be more than 40 ° C, the highest working temperature shall not exceed 80 ° C.

3。 If oil leakage during the work, please immediately stop work, and after pressure relief for inspection and maintenance. Found after the spill, not allowed to continue to work or pressure checks.

4, in the workplace must ensure that the normal circulation of circulating cooling water.

4, roots vacuum unit

1. Open in the middle and primary pump circulating cooling water inlet and outlet valve, to ensure that the circulating cooling water in and out of the normal.

2。 Shut down the pump buffer tank drainage pump, then start pump. Operating normally, Motor and pump noises balance) Later, slowly open the water pump on the by-pass pipe valve before and roots vacuum pump inlet valve.

3。 The system pressure after reaching middle pump set to allow entry pressure, start the pump in the middle. If you use the automatic control device, it will directly upon the automatic control device, and device will automatically start process.

4。 If use the manual control, the outlet pressure of the pump in the middle reach of main pump allows to start the main pump inlet pressure.

5, roots vacuum machine stop

1, to control the handle into the manual vacuum unit control ark, close the roots vacuum pump intake valves, and vacuum system partition.

2, according to the main pump, middle level before the pump water pump order, step by step stop water pump, it is forbidden to make wrong process downtime.

3, before the stop water pump, open the first buffer tank drain valve, water pump stop pump to turn it off.

4, import and export valve closed circulating cooling water.

5, open the pump of buffer tank drain valve and clean up its oil and condensate water.

6, such as long time to stop using or in cold season, parking in the back of immunity against memory water pump enclosure, cycle water pump will pump body drain plug water net, avoid frost crack box, the pump body; The same roots vacuum pump will pump in the water jacket cooling water discharge to avoid frost crack.

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