Can a water circulating vacuum pump work all the time? Will the buffer bottle be pumped?

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No, because I've never heard of anything like this. Even if there is, the probability is too low. The circulating vacuum pump can work for a long time, and it can't work for too long, which will also damage its life, because there are many solvents and alkali corrosiveness, and the water must be changed frequently.

Tightness can also be compromised. People will think of it when they design it. The buffer bottle you are talking about is not the bottle used to receive the filtrate.

This kind of glass bottle has a certain limit of negative pressure, and if the negative pressure is too high, it may be pumped. Ordinary suction filter bottles are generally safer below negative pressure.

Of course not, it should be called a water ring vacuum pump, which works by the sealing principle of water, and there is no possibility of **!

Won't explode. The ultimate absolute vacuum of the water ring vacuum pump without an ejector is 33 hPa.

No, vacuum is a relative and not an absolute concept.

Summary. The working principle of the water circulation vacuum pump is to condense the water vapor and gas through the water cooler to achieve the effect of vacuum. If the vacuum bottle is not closed, it will cause the water circulating vacuum pump to drain, reduce the vacuum and pumping speed of the pump, and even fail to reach the original preset vacuum level, thus affecting the work efficiency.

In addition, if the vacuum level of the water circulation vacuum pump is insufficient, it can cause the pumped sample to mix with the air, resulting in inaccurate analysis results and damage to the instrument. Therefore, when working, it is necessary to ensure the tightness of the vacuum bottle.

Can you elaborate on that a little bit more?

The working principle of the water circulating vacuum pump is to condense the vapor and gas through the water cooler to achieve the pre-base effect of the vacuum. If the vacuum bottle is not closed, it will cause the water circulating vacuum pump to drain, reduce the vacuum and pumping speed of the pump, and even fail to reach the original preset vacuum level, thus affecting the work efficiency. In addition, if the vacuum level of the water circulation vacuum pump is insufficient, it will cause the pumped tomato sample to mix with air, resulting in inaccurate analysis results and damage to the instrument.

Therefore, when working, it is necessary to ensure the tightness of the vacuum bottle.

The reason why the water ring vacuum pump does not evacuate.

Many customers report that in the process of using water ring vacuum pumps, sometimes there will be no vacuum, so today.

You explained the reason why the water ring vacuum pump does not evacuate, I hope it can be useful to you.

1. Whether the power cord of the water ring vacuum pump is reversed or missing phase, and the motor is not turned correctly, and it is overhauled;

2. Check the oil of the water ring vacuum pump, and inject the appropriate amount of oil, and it should be more resistant to change after using it for a long time;

3. The pipeline between the container and the water ring vacuum pump is blocked or leaked, and the air filter element is blocked, and the use time is long.

garbage needs to be removed;

4. The sealing degree of the suction system does not meet the requirements, and the leakage of the container is too large;

5. The blades of the water ring vacuum pump will not produce a vacuum when the blades are broken, and the blades need to be replaced.

During the operation of the water ring vacuum pump, the bearing temperature should not exceed the ambient temperature of 35C, and the maximum temperature should not be exceeded.

80c, when its wear is large, it should be replaced in time, pay more attention to these problems, you can ensure the normal operation of the water ring vacuum pump.

Yes. <>

Vacuum pump.

Vacuum pumps have been simply pumping the blocking gas and causing the following effects:

1.The oil temperature of the pump is too high: the vacuum pump has been working, which will make the oil temperature in the pump gradually increase, once the maximum service temperature of the oil is exceeded, it will lead to the oxidation and decomposition of the oil, which will seriously affect the service life of the pump.

2.Pressure drop in the pump: The vacuum pump will cause the pressure in the pump to drop if the pressure is reduced to a certain extent, it will cause the gas to precipitate on the surface of the lubricating oil, thereby damaging the lubrication effect, increasing the wear of the pump and reducing the life of the pump.

3.Pump accuracy decreases: Under long-term use, the sealing performance of the vacuum pump will decrease, so that the pumping accuracy of the pump will decrease to a certain extent, resulting in the reduction of the use effect and service life of the pump.

Therefore, in order to ensure the normal service life and good working effect of the vacuum pump, the running time of the pump should be strictly controlled, and the appropriate amount of intermittent work should be done.

The specific operation method of circulating water vacuum pump is as follows:

1. Preparation. Add water, stop adding water when the water surface is about to rise to the height under the overflow nozzle behind the tank. Repeat the power on to no longer add water.

Change the water at least once a week, and if the water is polluted and used frequently, the water should be changed to shorten the time to keep the water in the tank clean.

2. Vacuum operation. Precisely connect the suction casing of the equipment that needs to be vacuumed to the suction nozzle of the machine, turn off the circulation switch, turn on the power supply, and turn on the power switch to start the vacuum operation.

3. When the machine needs to operate continuously for a long time, the water temperature in the water tank will rise, affecting the vacuum degree, at this time, the water discharge hose can be connected with the water source (tap water), and the overflow nozzle is used as the drainage outlet, and the tap water volume can be properly controlled, so that the water temperature in the water tank does not rise, so that the vacuum degree is stable.

4. When it is necessary to provide cooling circulating water for the reaction device, on the basis of the third operation above, connect the water inlet and outlet pipes of the device that need to be cooled to the circulating water outlet and water inlet nozzle at the rear of the machine respectively, and turn the circulating water switch to the ON position to realize the circulating cooling water.

The statement that the water ring vacuum Menghe pump cannot pump a vacuum is wrong.

The water ring vacuum pump can pump the vacuum, but the vacuum degree is small.

The reason for the small vacuum degree of the water ring vacuum pump:

1. The water supply of Shuizhi Xunpai ring vacuum pump is insufficient;

2. Air leakage of sealing packing part;

3. The skew of the bearing causes the collision friction between the impeller and the side cover, resulting in grooves and air leakage;

4. The circulating water becomes hot and the temperature rises;

5. The flow of the water ring vacuum pump or Chang dismantling pipeline is partially blocked;

6. The gap between the impeller and the side cover is too large.