With the refinement of hydraulic systems, high performance, high pressure, the role of filters in hydraulic equipment is also increasingly important. Therefore, the correct use of the filter can effectively filter out contaminants in the hydraulic equipment system and protect the machine, thereby improving the reliability and life of the equipment. The level of filtration performance is an important issue when selecting the filter. If it is ideal to trap particles larger than the smallest gap in the machine's structure, if the filter's degree of filtration is exceeded beyond the required limit, it will cause frequent clogging, which will result in cleaning time. Too long, cost increases, maintenance and management problems, etc.
Regardless of how good the filter housing and filter element are selected by the hydraulic equipment manufacturers, if the maintenance and management are not good, the pollution will be serious and cause accidents. Vacuum pump leakage, oil leakage is one of the most common faults of the vacuum oil filter, mainly occurs in the vacuum pump oil window, fuel tank gasket, motor bearing shaft seal three positions, the main reason is that the vacuum pump time is too long and caused aging of these parts, seal failure, resulting in oil spills, oil window leaks, because the vacuum pump is used for too long and the oil window is aging, causing cracks, or the oil window and the tank adhesive aging failure, resulting in pump oil seepage. There are two oil seals on the motor shaft: the front oil seal and the rear oil seal. Any aging failure will cause oil leakage. The fuel tank is connected to the motor through the adapter, and the oil tank and the adapter have a sealing ring at the junction, which acts as a seal for the fuel tank. If it ages, it can also cause the vacuum pump to leak. In addition, there is a felt pad on the adapter, which plays a role in recovering the pump oil. If it is full, the vacuum pump will also seep. The way to solve the oil leakage is to replace the aging oil window, shaft seals, gaskets and felt pads that have been filled with pump oil. After the maintenance is completed, vacuum pump oil is used to flush the vacuum pump before oil injection, and the filter at the oil filling port is cleaned with solvent to keep the tank clean. Because the formation of high-speed conditions requires a large amount of power and is prone to vibration, the usual centrifuges are also equipped with auxiliary heating to increase the temperature of the oil and reduce the viscosity of the oil. Therefore, the operating power of the vacuum oil filter is relatively large.
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