Rotary-vane vacuum pump are pollution and treatment -

rotary vane and the clearance between the pump cavity are oil seal, so the rotary-vane vacuum pump are usually vacuum pump oil seal machine. Rotary-vane vacuum pump are reliable and durable, can be used alone, also can be used as a vacuum pump or ultra-high vacuum pump or ultra-high vacuum pump before the pump or pump. Rotary vane vacuum pump is widely used in metallurgy, machinery, electronics, chemical industry, light industry, oil and medicine production and scientific research departments. In use for a long time, however, the pollution problem of headache for many users. In view of this problem, this paper analyzes the pollution of the rotary-vane vacuum pump vacuum pump company and processing. Let's see.

rotary vane vacuum pump vacuum pump company analysis of pollution and treatment methods, there are mainly four:

1, because of the rotating plate type vacuum pump mechanism inherent in the compensation gap adjusting function, so it is not particularly sensitive to small body injury. In most of the design, the choice of sliding bearing compared with spherical bearing low sensitivity to the dust. Once the dust particles separated from oil by gravity, will produce sediment in the oil pool, and be included in the oil until it is to remove the cycle. The dust particles can use oil filter to filter, but it seems to be not worth it. If serious pollution and filter replacement is too complicated, as well as oil change easily. It is best to dust particles into the pump before placing it in places can handle. Therefore, use dry filter and oil collector, vacuum pump is the most effective maintenance. Protection methods should be selected depend on to deal with the volume, dust particle size and allowed pressure drop. If it is abrasive particles of dust, higher surface hardness should be of pump parts, to prolong service life.

2, exposure to low vapour pressure of material are not uncommon. These substances condensation in the pump and mixed with lubricant, or dilute lubricant, or into the paint and gel sediments. Gas ballast method could do about it. The best vacuum pump repair method is blocked before steam entering the pump. However, in many cases, it is not appropriate, because in such a wide range of pressure of work, it is difficult to design effective trap, or because of certain pollutants, it is very hard to trap for maintenance. At this time, most of them can be solved through regular oil changes.

3, in the process of the screw, the water vapor condenses into water droplets and mixed with the vacuum pump suspension, this will not only reduce the degree of vacuum, it can also cause a vacuum water pump cavity and the rotor rust, undermining the rotor seal surface, and high vacuum degree. Therefore, important is to prevent water pollution of vacuum pump. Vacuum pump to share some tips:

1. Please use the device with a gas ballast oil seal mechanical pump.

2. Installed oil machine, centrifugal separator or oil-water separator, to stop dealing with mechanical pump oil mixed with water, treated for use in oil will flow into the pump.

(3) using single arrangement of suction power.

(4) using liquid nitrogen cold trap is not only can effectively absorb the water vapor, can also prevent mechanical water pump oil flow back to the high vacuum chamber.

4, strict enforcement of equipment operating procedures, vacuum pump after each use, the operator must open the drain valve, and in the water pump chamber is filled with corrosive or other harmful substances out of water, to avoid the residue in the pump.

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