Heat pump with a simple structure, small size, good performance, the use of reliable features, then the use of heat-conducting oil pump does not appear the cause of the failure of oil What? Now we will give you an analysis of small series Thermal oil pump is not oil reason. Thermal conductivity of the oil pump is not a cause analysis First, the pump speed is too low (1) Artificial factors. A considerable part of the user due to damage to the original motor, coupled with another motor driven, resulting in less flow, thermal pumps, hot pump head low or even pumping the consequences of the water. (2) belt wear. There are many large thermal conductivity oil pump from the heat pump, heat pump with a pass, due to long-term use, belt wear and loose, there slippage, thereby reducing the pump speed. (3) improper installation. 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. (4) the pump itself mechanical failure. Impeller and the pump shaft nut loose or deformation of the shaft bending, causing the impeller to move more, directly friction with the pump, or bearing damage, thermal pumps, hot pumps are likely to reduce the pump speed. (5) improper power machine maintenance. Motor due to the winding burned, and lost magnetism, the maintenance of the winding turns, diameter, wiring changes, or maintenance failure is not completely ruled out the factors that will change the pump speed. Pump suction too deep Some of the water is deep, some water outside the flat topography, while ignoring the pump allowable suction, resulting in little or no water absorption results. Second, the inlet pipe and the pump body air (1) high-temperature heat transfer oil pump Some users did not fill enough water before the pump starts; sometimes it seems that irrigation water has overflowed from the vent hole, heat transfer oil pump but did not turn the pump shaft air completely Discharge, resulting in a little air still remain in the inlet pipe or pump body. (2) The horizontal section of the inlet pipe in contact with the pump applies a descending gradient of 0.5% or more to the direction of the flow of water, and the one end connected to the inlet of the pump is the highest, not completely horizontal. If you tilt up, there will be trapped air inlet pipe, reducing the vacuum hose and pump, affecting water absorption. (3) 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) Inlet pipe Due to long-term potential underwater, pipe wall corrosion holes, water pump work continues to decline, when these holes exposed water, the air from the hole into the water pipe. (5) cracks in the inlet pipe cracks, inlet pipe and pump connections appear tiny gaps, are likely to make the air into the inlet pipe. Extended reading: Top ten brands of motorcycles Canton Fair Central China Construction Water Exhibition Pump manufacturers ranked ptc exhibition industry Internet (Xiamen) Technology Co., Ltd. Asia Pump Network Editor: He Duanhui (QQ / WeChat:) http: //beng.liuti. cn / (Service Hotline:)
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