The reason that the heat transfer oil pump can not lift the water due to the air in it is as follows: (1) The heat transfer oil pump Some users did not fill enough water before starting the pump; sometimes it appeared that the irrigation water had overflowed from the vents and the heat transfer oil pump did not rotate Pump air completely expelled, resulting in a little air still remaining in the inlet pipe or pump body. (2) The horizontal section of the water inlet pipe in contact with the heat-conducting oil pump applies a descending slope of 0.5% or more to the direction of the water flow. The one end connected to the pump inlet shall be the highest and shall not be completely horizontal. If you tilt up, there will be trapped air inlet pipe, reducing the vacuum hose and pump, affecting water absorption. (3) cracks in the inlet pipe cracks, inlet pipe and pump connections appear tiny gaps, are likely to make the air into the inlet pipe. (5) The heat-conducting oil pump's packing has been worn over a long period of time or the packing pressure is too loose, resulting in a large amount of water being ejected from the gap between the packing and the shaft sleeve of the pump. As a result, external air enters the interior of the pump from these gaps , Affecting the water. (4) The inlet pipe of the heat-conducting oil pump has a hole corroded due to the potential underwater for a long time, and the surface of the water pump keeps dropping after working. When the holes are exposed, the air enters the inlet pipe from the hole.
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