In the use of
Vertical Slurry Pump, we often encounter no water situation, affecting our work process, we should learn to judge the reasons for the
Water Pump to facilitate our attention in the use of its maintenance and proper use . Vertical
Slurry Pump does not water due to the following four conditions: a brief analysis of the vertical slurry pump no water four reasons 1, the inlet pipe and pump body residual air as some users in the vertical slurry pump before the start Filled with enough water, sometimes it seems that the irrigation water has overflowed from the vents, but did not turn the pump shaft to expel the air completely, causing a little air to remain in the inlet pipe or the pump body. Or because the pump's packing has been worn over long periods of time or the packing pressure is too loose, causing a large amount of water to be ejected from the gap between the packing and the shaft sleeve of the pump, with the result that external air enters the interior of the pump from these gaps, Affected the mention of water. Or because of the water pipe due to long-term potential underwater, pipe wall corrosion holes, water pumps continue to decline after work, when these holes out of the water, the air from the hole into the water pipe. Water pipe bend at the cracks, the inlet pipe and pump connections appear tiny gaps, are likely to make the air into the inlet pipe. 2, a relatively low speed First, due to some users due to the original vertical slurry pump damage to the motor, it is free to match another motor-driven, resulting in less flow, low lift or even pumping the consequences of the water. Second, due to the large number of large pump away from the belt, due to long-term use, the belt wear and loose, there slipping, thus reducing the pump speed. Two pulley center distance is too small or two axes are not parallel, tight belt mounted to the top, resulting in the wrapping angle is too small, the two pulley diameter calculation error and the coupling shaft pump two eccentric eccentricity will result in Pump speed changes. Or because the
Impeller and the pump shaft nut loose or deformation of the shaft bending, resulting in more impeller move, friction directly with the pump, or bearing damage, are likely to reduce the pump speed. 3, beyond the allowable suction Some of the deeper water, some water outside the flat topography, while ignoring the allowable suction pump, which resulted in less water or simply can not absorb the results of the water. To know that there is a limit to the degree of vacuum that can be established at the suction port of a pump, the suction at absolute vacuum is about 10 meters high and the pump can not establish an absolute vacuum. And the vacuum is too large, easy to pump the water gasification, the work of the pump negative. Therefore, the vertical slurry pump has its maximum allowable suction, usually between 3 to 8.5 meters, not only when installing the pump is simple and convenient. 4, the flow of water into the water pipe resistance loss is too large Some users after the measurement, although the vertical distance from the reservoir or water tower to the water surface is slightly smaller than the pump head, but still mention the amount of water is small or mention the water. The reason is often too long pipes, pipe corners, water flow resistance in the pipeline is too large loss. The reason is often too long pipes, pipe corners, water flow resistance in the pipeline is too large loss. Under normal circumstances, 90-degree bend than the 120-degree elbow resistance, each 90-degree elbow head loss of about 0.5 to 1 meter, every 20 meters of pipe resistance can make head loss of about 1 meter.
July 30, 2023
