What are the precautions for gas washing of concrete pump?
During gas cleaning, the personnel shall not be close to the outlet of the discharge pipe, the pipe is turned sharply (if 90 bends) and the compressed air pipe is connected
Subsection blowing, should first blow off near the discharge end of a pipe, then has blown the empty tubes connected with not purged during the purge, the remaining part.
If it is found that the wash is not moving, it should first close the intake valve, and then slowly open the exhaust valve bleeding, and then try to segment cleaning.
The valve must not be opened at once. It should be opened, closed, opened and carefully observed. It can only be opened when the concrete can flow smoothly
Compressed air pressure shall not be higher than 0.7MPa
