design of a vacuum system,automatic control and interlock protection

In the design of a vacuum system, new technology should be used to achieve automatic control and interlock protection. With the development of vacuum technology, automatic operation is required during the whole pumping process, such as using a vacuum relay to control the Roots pump to start working at 1333Pa pressure. The water pressure relay is used to control the water pressure of the steam flow pump at a certain pressure. When the water pressure is insufficient or the water is cut off, the power can be cut off immediately and the alarm can be issued. Prevent the pump from burning out. For the complex vacuum system and the process and parameters of equipment and strict requirements should be controlled by the computer programs, more safe and reliable.

Vacuum system design requires energy saving, cost reduction, ease to use, and reliability. It has great economic significance to do this, and it can make the vacuum application equipment designed to have a wide market.

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