Experts pointed out: At present, the application of concrete boom pump construction unit has been welcome to the construction machinery, it can greatly improve the transportation efficiency of concrete. Then in the construction of the concrete pump truck found hidden in how to handle it? Specifically, the following two points:
1 In operation
During construction of the pumping equipment and piping were observed, if found hidden should be addressed promptly, tubes may exceed the prescribed wear, clamps, seals and other timely replacement, but should prevent pipe blockage. It should be pumping concrete in their stir while controlling good slump. During pumping, the pump must not stop halfway, at any time to monitor a variety of instruments and indicators, found to be normal should be timely adjusted or treatment. When duct blockage, should anti-pump operation, the concrete hopper return; when the anti-pump several times still can not eliminate clogging can unload at the pump, the split tube blockage excluded.
2, After operation
Concrete inside the hopper and the pipeline should be all the output, and then pumps, hoppers, pipelines into line flushing. When flushing pipes with compressed air, the intake valve should immediately open a large, smooth discharge only when the concrete before the intake valve open to the maximum. At the outlet end of the pipe is strictly prohibited to stand in front of 10 meters, and the application and other metal basket to collect balls and cleaning out sand grains. Solidification of the concrete should be used a scraper to remove. After the job should go to the wash chamber on both sides of the piston position, and greased. Each part of the operation switch, adjust the handles, hand wheels, levers, cocks, etc. should be reset, then uninstall the hydraulic system.
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