The composition of the complete vacuum system _

there are a variety of vacuum applications, regardless of the vacuum application, but have a extraction system can remove the gas from the extraction of the container, so as to achieve the desired vacuum condition in the vacuum container. For example, a vacuum container, the container through the tube and valve is connected to the vacuum pump. When the vacuum pump suction vessel, vessel with vacuum measuring device, the vacuum measuring devices constitute the most simple vacuum system.

the simplest vacuum system can only be within the scope of containers to implement low vacuum pumping vacuum. When need to vacuum in high vacuum range, usually in series connection high vacuum water pump in the vacuum system. When high vacuum pumps in series connection, usually in the high vacuum pump the entry and exit of add a valve, to maintain the vacuum high vacuum pump can be individually. If a series of high vacuum pump is oil diffusion pump, in order to prevent a large number of oil vapor flow back to pump container, usually at the entrance of the oil diffusion pump add a trap - — Water baffle. According to the requirements, but also can increase the filter in the line of vacuum relay header, vacuum soft connection pipe, vacuum pump inlet air bleed valve, etc. , thus forming a relatively complete high vacuum system.

consisting of two or more series vacuum pump in the vacuum system is often referred to as the low vacuum as the superior high vacuum pump before ( Or pre water pump) The highest extraction by the vacuum pump and pump called vacuum system. The main pump, a pump pumping the limit of vacuum and work in the vacuum be determined by the main water pump. Flush containers between exports and the main pump suction line known as the high vacuum pipeline, main pump valve at the entrance of said valve.

usually, backing pump is twice the vacuum pump. Container of the pump and its pump line called pre vacuum line, between the valve called pre vacuum line valve in the line. The main pump discharge and grade level between the pump suction pipe is called before the line. The valve in the line is called the front-end pipeline valve, soft before connecting line is set to isolate the vibration of the pump.

a more complete vacuum system consists of the following components:

1, pumping equipment, such as all kinds of vacuum pumps

2, vacuum valve

3, connection pipe

4, vacuum measurement device: such as vacuum pressure gauge, a variety of regulatory

5, and other components, such as hydrophobic, dust collector, vacuum relay, gas storage tanks, etc.

so, what is the vacuum system? A word is: a kind of used to get the vacuum extraction system with specific requirements.

the basic content of the vacuum system design: according to the container's vacuum requirements, select the appropriate vacuum system design, selection and matching of pump calculation; Determine pipe, valve, steam trap, vacuum gauge component, etc, to make reasonable configuration. Finally, draw the assembly drawing and parts drawing vacuum system.

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