How to design the vacuum pump unit? _

a vacuum pump, the design of the unit condition

1, the known parameters of the vacuum chamber,

as deflated surface area and the volume of the vacuum chamber, the maximal inspiratory capacity and ultimate vacuum drainage time and achieve ultimate vacuum extraction time, etc.

2, vacuum indoor gas source condition,

vacuum indoor atmosphere, vacuum deflated, indoor surface dynamic seal of the vacuum chamber, the static seal leakage, shell permeability gas, processed materials out of gas, the gas, introduced process needs,

3, the special requirements of vacuum chamber,

produce dust in technological process, metal splash, corrosive gas, steam, etc. , vacuum chamber whether to ask without oil, no vibration, etc.

2, vacuum unit design and calculation of general procedure

A. Vacuum room always put volume calculation;

B。 Determine the net speed of vacuum chamber;

C。 Coarse primary water pump and coarse match level before vacuum pump;

　　D. Choose according to requirements such as vacuum valve, trap, filter element;

E。 Vacuum system assembly rough sketches, to determine the size of each part;

　　F. Tip (indeed Review) Calculates the parameters of the vacuum pump, if vacuum pump can not meet the requirement of roughing, just need to choose the pump and pump, until meet the requirements of the parameters;

G。 Draw a vacuum system assembly drawing;

　　H. Drawing parts drawing, drawing construction drawing.

this eight design calculation steps are indispensable standard design. With the continuous development of vacuum equipment, with a variety of appearance of a new type of vacuum unit, vacuum system design process is simplified. Now has already set vacuum unit, if can choose to finalize the vacuum unit directly to obtain the required vacuum system, vacuum system design can save trouble.

At the same time, as the recent research of JT shows, the benefits of improved productivity and firm performance can make implementing basic management practices worth it.
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