Vacuum keeping system

Abstract

The invention discloses a vacuum keeping system, and relates to the field of vacuum equipment. The vacuum keeping system comprises a control box, a water ring vacuum pump unit, a motor unit, a pre-positioned gas-water separator, a post-positioned gas-water separator and a control device; the water ring vacuum pump unit comprises a main water ring vacuum pump and a standby water ring vacuum pump; the motor unit comprises a first motor and a second motor, one end of the first motor is connected with the main water ring vacuum pump, the other end of the first motor is connected with the control box, one end of the second motor is connected with the standby water ring vacuum pump, and the other end of the second motor is connected with the control box; the pre-positioned gas-water separator is connected with a vacuum main pipe through a water inlet pipeline, the water inlet pipeline is provided with a switch valve connected with the control box, and the pre-positioned gas-water separator is in one-way communication with the main water ring vacuum pump and the standby water ring vacuum pump; the post-positioned gas-water separator is communicated with the main water ring vacuum pump and the standby water ring vacuum pump; one end of the control device is connected with the pre-positioned gas-water separator, and the other end of the control device is connected with the control box to be used for controlling starting and stopping of the main water ring vacuum pump and the standby water ring vacuum pump. According to the vacuum keeping system, the vacuum degree of an axially split centrifugal pump water inlet pipeline system can be automatically controlled.

Description

technical field [0001] The invention relates to the field of vacuum equipment, in particular to a vacuum holding system. Background technique [0002] The function of the vacuum maintenance system is to evacuate the air in the water inlet pipeline system of the split centrifugal pump, so that the water inlet pipe system of the split centrifugal pump is in a vacuum state, so that the split centrifugal pump of the main engine can work normally under the state of vacuum. . However, in view of various reasons, the vacuum degree of the water inlet pipeline system of the centrifugal pump in the main engine is often reduced, causing the centrifugal pump in the main engine to be in an abnormal working state, thereby causing corresponding problems. [0003] The traditional method mainly uses manual methods to check the vacuum degree of the centrifugal pump inlet pipeline system at regular intervals. The frequency is too frequent, the efficiency is low, and it cannot be separated fro...

AI Technical Summary

Problems solved by technology

However, due to various reasons, the vacuum degree of the water inlet pipeline system of the centrifugal pump in the main engine is often reduced, resulting in the centrifugal pump in the main engine being in an abnormal working state, thus causing corresponding problems

[0003] The traditional method mainly uses manual methods to check the vacuum degree of the centrifugal pump inlet pipeline system at regular intervals. The frequency is too frequent, the efficiency is low, and it cannot be separated from human supervision, which brings inconvenience to the work.

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