Roots vacuum unit shutdown operating procedures

The shutdown operation procedures of the Roots vacuum unit are introduced below. . Put the control handle on the control cabinet of the Roots vacuum unit into the manual gear, close the suction valve of the Roots vacuum pump, and isolate it from the vacuum system.
. Stop the pumps step by step according to the order of water flushing of the main pump and the intermediate pump, and it is strictly forbidden to make any mistakes in the shutdown procedure.
When stopping the front-stage water flushing pump, first open the sewage valve of the water flushing pump buffer tank, and then stop the pump to shut down.
. Close the inlet and outlet valves of circulating cooling water.
Open the drain valve of the buffer tank under the intermediate pump and remove the oil dirt and condensed water in it.
If it is stopped for a long time or in severe cold season, drain the clean water after parking to flush the water stored in the pump box. Unscrew the drain plug of the water flush pump body to drain the stored water to avoid freezing and cracking the box and pump body. .