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What should be paid attention to in the piping of the concrete pump

What should be paid attention to in the piping of the concrete pump

Apr 7,2023
The layout of the concrete pump pipe must pay attention to the following points: 1. In order to reduce the pumping resistance, try not to place a 90-degree elbow immediately at the outlet of the concrete pump. The correct pipe layout method is to place a short pipe of 1 to 2 meters at the outlet of the concrete pump, then connect a 3-meter straight pipe, and then consider the problem of connecting a 90-degree elbow to the ground. This has two purposes. The 1 to 2 meter short pipe is placed to facilitate disassembly and cleaning of the concrete pump when it fails. Another purpose is to reduce the outlet pressure of the concrete pump. 2. In the case of horizontal pumping of concrete, the pump pipe should be as straight as possible. If it is necessary to turn, try to use a large-radius elbow (such as an elbow with a radius of 1 meter) and add a fixed point at both ends of the elbow.

3. In the case of vertical pumping of concrete, the horizontal pump pipeline distance must be greater than one-third of the vertical pumping height distance. If the horizontal distance is not enough, consider adding a 90-degree elbow (a 90-degree elbow with a radius of 1 meter is equivalent to 4m horizontal straight pipe). Otherwise, the pumping pressure will be increased and the engine loss will be accelerated; if it is serious, the pump may not be able to reach the altitude. 4. If the pump pipe is generally on a straight line, such as a 3-meter pipe, make a fixed point every 3 pipes-it depends on the specific situation. A fixed point should be added on both sides of the bend. The 90-degree bend at the horizontal pipe and the vertical pipe should be a fixed platform as much as possible to eliminate the force in the horizontal and vertical directions. 5. The sealing film at the joint of each pump pipe must be intact, and there must be no leakage of water or slurry. This is the worst question! Severe cases will cause blockage. 6. In summer, in addition to the above requirements, if possible, it is best to place straw curtains or broken sacks on the pump pipe and water frequently to reduce the temperature of the pump pipe, so as to prevent the loss of concrete slump due to the high temperature of the pump pipe. cause blockage.

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