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Key points of concrete pump pipe cleaning

Number of visits: Date:2016-10-19 11:32:09

Concrete pump pipe should pay attention to the following points when washing:

(1) after the operation, must be within the hopper and pipe concrete all output, then the pump, hopper, pipeline flushing, residual concrete output can be used for tunnel bed side wall concrete construction. Economic pipeline cleaning method is to use water to clean water (sewage can not be treated with compressed air cleaning, this paper is no longer introduced), each time can be more than 260m cleaning pipeline.

(2) the matters needing attention in the use of water:

The performance parameters of the pump: the pressure is not less than 4.3MPa, flow rate is not less than /min 180L.

The connecting tube by tube, packing material (rubber piston, sea cotton ball, cement bag roll) must be tightly into a high level than pipe diameter tube.

The packing of the sea cotton ball or a bag of cement volume, sea cotton ball or a bag of cement volume must soak cement slurry.

Cleaning pipe for long distance, the first pressure into the amount of cement mortar before cleaning.

When cleaning, should stay away from the nozzle, and a protective device to prevent out of wounding.

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