Where is the high temperature heat pump bearing damage problem -
high temperature heat pump is axial suction centrifugal water pump eccentric high-temperature medium transfer cycle. The transfer medium circulation is liquid (do not contain particles or fibers Water, heat transfer oil, etc. ) 。 The device has a save installation space, elegant appearance, high strength, with the advantages of convenient. Because of its high precision, high temperature resistance, stable operation, etc, are widely used in high power mold temperature machine, booster pipeline pumps, boiler water recovery system, woodworking machinery, wind energy technology auxiliary heating equipment and other industries.
recently, I received the report, many customers say my high temperature hot water water pump bearing wear quickly. What has happened here, then small make up will be introduced to you.
1, the high temperature heat pump running 2000 - After 3000 hours should add or replace lubricating oil in the bearing body, to ensure that the bearing has good lubricity and prolong the service life of bearing.
2, suggest the inside of the pump seal replacement bearing, and clean impeller with carbon, in order to ensure sufficient flow rate and pressure.
3, users of bearing was mostly in the electrical and mechanical market or bearing the store to buy. Users to buy bearing, just to see the model, and ignore the high temperature and high speed characteristics of high temperature heat pump. Must demand bearing has high temperature and high speed conditions. Otherwise, it is not applicable. In the high temperature heat pump.
4, replacing bearing, also need to judge the wear degree of the shaft. If carbon fiber packing serious wear and tear, it is suggested that the replacement for the shaft. Carbon fiber wear will lead to the heat transfer oil mixed with oil indoor lubricating oil, thus losing lubricating oil. Lubricity, in addition to the heat conduction oil pipeline, impurities will scroll to bearing, increasing the bearing damage.
5, bearing assembly process problems: factory assembly workshop in the assembly of the bearing will use a special tool. The first bearing tool is different from the second bearing. Purpose is to make the bearing inner ring and outer ring at the same time. In order to ensure the performance of original bearing understandably, many users in replacing bearing ignores the bearing installation process, and will be used during the installation process of non-professional tools often damaged due to improper force bearing.
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