The maintenance points of roots oil pump, is the roots vacuum pump an oil circulation pump

Shanghai Sunshine Pump Manufacturing Co., Ltd. is located in Jinshan Industrial Park, Shanghai, which is a well-known large-scale diversified enterprise integrating research, development, production, sales and service in China, with a registered capital of 80 million yuan. The leading products include: screw pumps, diaphragm pumps, submersible pumps, magnetic pumps, sewage pumps, chemical pumps, multistage pumps, self-priming pumps, gear oil pumps, metering pumps, sanitary pumps, vacuum pumps, submersible pumps, rotary lobe pumps and other categories.

The products have been recognized by various professional certifications and customers with superior performance and excellent quality. The company has a number of pump experts and all kinds of senior engineers, continuous development and manufacturing, upgraded products have come out every year. Oil pump is a common fluid delivery device, which is widely used in petroleum, chemical, aerospace and other fields.

The role of the oil pump is to transfer the prime mover machine....

1. After reassembly, a trial run should be carried out, generally it must run dry for 2 hours and change the oil twice, because there will be a certain amount of volatile substances left in the roots pump during cleaning, and then put into normal operation after normal operation.

2. When the roots oil pump is used in the cold winter season, after stopping, the lower part of the pump body needs to be unscrewed to release the medium. Prevents freeze cracking.

3. Check the oil quality frequently, and replace the new oil in time if the oil is found to be deteriorated to ensure that the roots pump works normally.

4. Check whether there is loosening in the pipeline and joint of the roots oil pump. Turn the roots pump by hand to see if the roots pump is flexible.

5. Check the oil level position frequently, and adjust it to meet the requirements when it does not meet the requirements. When the roots pump is running, the oil level to the center of the oil mark shall prevail.

6. Under normal circumstances, the roots oil pump should be overhauled after 2000 hours of work, check the aging degree of the rubber seal, check whether the exhaust valve is cracked, and clean up the dirt precipitated on the valve plate and exhaust valve seat. Clean the entire roots pump chamber with parts such as rotors, rotary vanes, springs, etc. It is generally washed with gasoline and dried.

After cleaning the rubber parts, wipe them dry with a dry cloth. When cleaning and assembling, it should be handled with care and careful of bruising.

7. Start the motor, when the roots oil pump is running normally, open the outlet pressure gauge and the inlet roots pump, and gradually open the gate valve after it shows the appropriate pressure, and check the motor load at the same time. During the operation of the roots oil pump, the bearing temperature should not exceed the ambient temperature of 35 degrees, and the maximum temperature should not exceed 80 degrees. Try to control the flow and head of the roots pump within the range indicated on the signage to ensure that the roots pump operates at the highest efficiency point to obtain the maximum energy saving effect.

When the roots pump is to be stopped, first close the gate valve, pressure gauge, and then stop the motor.

8. The roots oil pump should be replaced with lubricating oil after 100 hours within the first month of work, and the oil should be changed once every 500 hours thereafter. Adjust the packing gland frequently to ensure that the drip leakage in the packing chamber is normal (it is advisable to leak out the drops).Regularly check the wear of the shaft sleeve, and replace it in time after the wear is large.

If the roots pump has been out of service for a long time, it is necessary to disassemble the pump, wipe off the water, coat the rotating parts and joints with grease, and store them properly.

9. Add bearing lubricating oil to the bearing body, observe the oil level at the center line of the oil standard, and replace or replenish the lubricating oil in time.

10. The oil change period shall be considered according to the actual use conditions and whether it can meet the performance requirements, etc., and shall be determined by the user's discretion. Generally, when pumping clean and dry gas, it is recommended to change the oil once in about 100 hours of work. After the ferrous metal powder is not visible in the oil, the oil change period can be appropriately extended in the future.

Summary. Vacuum pump refers to a device or equipment that uses mechanical, physical, chemical or physicochemical methods to pump air from the pumped container to obtain vacuum. In layman's terms, a vacuum pump is a device that uses various methods to improve, generate and maintain vacuum in an enclosed space.

According to the working principle of vacuum pumps, vacuum pumps can basically be divided into two types, namely gas capture pumps and gas transfer pumps. It is widely used in metallurgy, chemical industry, food, electronic coating and other industries.

Dear, hello, glad for your question, for you to retrieve the roots vacuum pump is an oil circulation pump<> vacuum pump refers to the use of mechanical, physical, chemical or physicochemical methods to pump the container to obtain vacuum device or equipment. In layman's terms, a vacuum pump is a device that uses various methods to improve, generate and maintain vacuum in an enclosed space. According to the working principle of vacuum pumps, vacuum pumps can basically be divided into two types, namely gas capture pumps and gas transfer pumps.

It is widely used in metallurgy, chemical industry, food, electronic coating and other industries.

Summary. Hello, roots vacuum pump is an oil circulation pump, 1 roots vacuum pump (abbreviation: roots pump) refers to the pump is equipped with two vane-shaped rotors rotating synchronously in opposite directions, and there is a small gap between the rotors, rotors and the inner wall of the pump casing and does not contact each other.

2.Roots vacuum pumps have been tested for long-term operation in petroleum, chemical, plastic, pesticide, steam turbine rotor dynamic balancing, aerospace space simulation and other devices, so they should be vigorously promoted and applied in China. At the same time, it is also widely used in petroleum, chemical, metallurgy, textile and other industries.

Vacuum pump accessories are used as vacuum pump silencers for noise control of vacuum pumps.

Is a roots vacuum pump an oil circulation pump.

Hello, roots vacuum pump is an oil circulation pump, 1 roots vacuum pump (abbreviation: roots pump) refers to the pump is equipped with two vane-shaped rotors rotating synchronously in opposite directions, and there is a small gap between the rotors, rotors and the inner wall of the pump casing and does not contact each other. 2.

Roots vacuum pumps have been tested for long-term operation in petroleum, chemical, plastic, pesticide, steam turbine rotor dynamic balancing, aerospace space simulation and other devices, so they should be vigorously promoted and applied in China. At the same time, it is also widely used in petroleum, chemical, metallurgy, textile and other industries. Vacuum pump accessories are used as vacuum pump silencers for noise control of vacuum pumps.

How to add? Is it here?

If it is a foreign roots pump, it is best to refuel according to the requirements of the pump factory, for example, Leybold roots pump, generally add N62 high vacuum pump oil. Generally, the domestic roots pump can use mechanical pump oil, and its function is lubrication, just add No. 100 vacuum pump oil.

Should be. Dear this, we are not professional can only help you solve some simple problems, if it is really a factory, it is better to consult a professional.

Roots-type pump is a vacuum pump without internal compression, usually with a very low compression ratio, so high and medium vacuum pumps need backing pumps.

It is a vacuum pump that relies on the synchronous and counter-rotating pushing action of a pair of vane-shaped rotors in the pump chamber to move the gas and realize air pumping.

Roots vacuum pump refers to a mechanical vacuum pump with a pair of sole-shaped rotors with synchronous high-speed rotation, this pump can not be pumped alone, and the pre-stage needs to be equipped with oil seals, water rings, etc.

Its structure and working principle are similar to those of roots blowers, and its suction port is connected to the vacuum vessel or the main pumping pump of the vacuum system when working. The rotors of this vacuum pump do not touch each other or between the rotor and the pump casing.

Summary. The reason why the roots pump oil returned to the mechanical pump is because of the performance of the vacuum pump, and it is estimated that it is time for maintenance. When you stop pumping, because the vacuum pump can no longer maintain its stability, the vacuum in the pump is less than the vacuum in the container, so that the oil is pumped back the phenomenon, I don't know if there is a vacuum stop valve at the end of your container, if there is one, close the stop valve first, and then close the vacuum pump; If you don't have one, the problem should be solved!

Why does roots pump oil go back to mechanical pumps.

The reason why the roots pump oil returned to the mechanical pump is because of the performance of the vacuum pump, and it is estimated that it is time for maintenance. When you stop pumping, because the vacuum pump can no longer maintain its stability, the vacuum in the pump is less than the vacuum in the container, so that the oil is pumped back the phenomenon, I don't know if there is a vacuum stop valve at the end of your container, if there is one, close the stop valve first, and then close the vacuum pump; If you don't have one, the problem should be solved!

Roots oil pumps work on a similar principle to roots blowers. Due to the continuous rotation of the rotor, the pumped air is sucked in from the inlet into the space v0 between the rotor and the pump casing, and then discharged through the exhaust port. Since the V0 space is fully enclosed after suction, there is no compression or expansion of the gas in the pump chamber.

However, when the top of the rotor turns over the edge of the exhaust port, and the V0 space communicates with the exhaust side, the stand-alone dust collector has a part of the gas backflushed back into the space V0 due to the high gas pressure on the exhaust side, so that the gas pressure increases suddenly. As the rotor continues to rotate, the gas is vented out of the pump. The working principle of the roots oil pump is both the working principle of a positive displacement pump and the pumping effect of a molecular pump.

Dust collector bag cage Due to the continuous rotation of the rotor, the pumped air is sucked in from the pump inlet into the space v0 between the lower rotor and the pump casing, and the v0 space is fully enclosed after suction. As the rotor rotates, the enclosed V0 space communicates with the exhaust port, and due to the high gas pressure on the exhaust side, a part of the gas is backflushed, causing the gas pressure in the V0 space to increase suddenly. As the rotor continues to rotate, the gas that was originally encapsulated in the V0 space of the heat transfer oil pump is discharged out of the pump along with the recoil gas.

At this point, the upper rotor seals a v0 volume of gas from the pump inlet. Due to the continuous operation of the pump, the two rotors continuously form a closed space V0 and continuously discharge the gas in the closed space out of the pump, so as to achieve the purpose of pumping.

Hello, I'm glad to answer for you: Dear According to your description, here is the answer for you to prepare before booting 1Check whether the water tank level of the water flush pump (backing pump) reaches more than 3 4 of the water tank, and make up for it if it is insufficient.

2.Check whether the water used in the water tank is clean, and do not allow the use of sewage containing sediment, so as not to block the pipeline, roots vacuum pump increases the wear of the impeller of the pump, increases the motor load and causes failure, affecting the service life of the water flushing pump. 3.

Check the height of the lubricating oil level in the middle pump and the main pump body, which must reach more than 3 4 of the oil window, and check the color of the lubricating oil at the same time. 4.Roots vacuum pump check whether the circulating cooling water channel of the intermediate pump and the main pump is intact, open the inlet and outlet valves of the circulating cooling water, and check whether the circulating cooling inlet and outlet water is normal.

5.Check whether the bottom of the middle pump is closed with a slow and rough grip on the flushing tank stool. 6.

Check whether the circuit of the vacuum pump unit is intact and whether the instructions of the control cabinet are normal. 7.Check whether the starting pressure of the intermediate pump and the main pump of the electrode contact pressure gauge of the vacuum pump unit is normal (the starting inlet pressure of the intermediate pump is above and the starting inlet pressure of the main pump is above).

8.After the above items are checked and confirmed, the vacuum unit can be started.

Hello, I am glad to answer for you, roots pump needs to use the corresponding cleaning agent when cleaning, the common cleaning agents are as follows:1Cleaning agent:

Roots pump cleaner can use general cleaning liquids, such as diluted acid and alkali cleaning agents, petroleum cleaning agents, alcohol, etc., but pay attention to choosing cleaning solutions that will not corrode the pump material. 2.Purified water:

There are many precision parts inside the roots pump, and the use of pure water can avoid the damage of residues to the pump parts and ensure the cleaning effect. 3.Steam cleaning:

There are many dead corners inside the roots pump that are difficult to clean, and steam cleaning can be used to quickly clean these dead corners without causing damage to the pump parts. It should be noted that different types of roots pumps are made of different materials, and some pump materials have higher requirements for cleaning agents, so it is necessary to choose the appropriate cleaning agent according to the specific situation. Before cleaning, it is also necessary to disassemble and inspect the coarse pump parts to ensure that they have been emptied and powered off before cleaning, and to ensure the safety of personnel.

It is best to be cleaned and maintained by a professional service person.

When the roots pump is working, whether the pressure in the oil chamber is the same as the pressure in the pump chamber.

When the roots pump is working, whether the pressure in the oil chamber and the pressure in the pump chamber are the same, yes, the characteristics of the roots vacuum pump (chemical machinery and equipment) The roots vacuum pump is a rotary positive displacement vacuum pump. Its structural form is evolved from the roots blower. It first appeared in Germany in 1944 as a mechanical booster pump for vacuum melting systems with large pumping speeds in the pressure range of 10 1000 Pa.

According to the different working pressure range of roots vacuum pumps, they are divided into low-vacuum roots pumps that directly discharge the atmosphere; Medium vacuum roots pumps and high vacuum multistage roots pumps. The most used in China is the medium vacuum roots pump. Compared with other oil-sealed vacuum pumps, roots vacuum pumps have the following characteristics; 2。

The rotor has good geometric symmetry, so the point: 1. Large pumping speed over a wide range of pressures; Low vibration and smooth operation.

There are gaps between the rotors and between the rotor and the housing, no lubrication, small friction loss, which can greatly reduce the driving power, so as to achieve higher speed; 3。There is no need to seal and lubricate with oil in the pump chamber, which can reduce the pollution of oil vapor to the vacuum system; 4。There is no compression in the pump chamber and no exhaust valve.

The structure is simple and compact, and it is insensitive to dust and water vapor in the pumped gas; 5。The compression ratio is low, and the pumping effect of hydrogen is poor; 6。The surface of the rotor is a curved cylindrical surface with a complex shape, which is difficult to process and inspect.