Views: 12 Author: Site Editor Publish Time: 2014-12-05 Origin: Site
The common problems of oil filter machine will usually appeared and we’d like to share our experience and related knowledge to everybody.
First, gas content (content of main detection of acetylene), under normal circumstances, transformer oil only generated acetylene encountered at high temperature cracking or partial discharge will appear, make the content of acetylene in oil increased; but another situation is when the transformer oil through the gear oil pump after high speed in a PVC tube flow to generate static electricity, can make the transformer the oil producing acetylene gas, acetylene gas content of the increase in oil, in this case you need to change the ordinary gear pump as the flexible pump; in addition the PVC variable to produce stainless steel pipe or tubing for galvanized pipe can prevent electrostatic.
Second, vacuum pump to limit vacuum degree
When the fault occurs, firstly, should check the tightness of vacuum system, to see whether there is a slight leakage. Secondly, under open air condition and let the pump running 30 minutes, to dry non pump caused by oil pollution can be compressed steam, the exclusion of compressible steam to limit effects of vacuum degree.
After exclusion of the above two factors, cause the vacuum pump is not the main reason that limit vacuum degree are the following several aspects: pump oil pollution, oil pump need; oil filter blockage, causing compression of oil filling system of oil not free, oil supply shortage, causing the pump body seal is not strict, need to clean the internal oil filter; oil distributor valve deformation, wear or damage, can also lead to oil supply shortage, should then check replacement oil distributor valve; long time caused by the use of the rotary vane vacuum pump wear or the spring tension in the rotor is insufficient, resulting in the suction chamber and the exhaust chamber isolation is not strict, which caused the decline in vacuum vacuum pump performance. At this time should be replacement of the rotary piece and a spring, and clean the rotor and the pump cavity; check exhaust valve, watching the action is failure, leading to poor exhaust, exhaust valve replacement when necessary.
The cake unloading mechanism of three, oil filter: the filter plate pulling, cake vertical automatic press filter in the pressure filter plate level, around cloth to filter cake out of the filter plate after unloading. The filter cake horizontal automatic filter press by the weight detached from the cloth, and fall out from the filter plates; go cloth mechanism drives the cloth walk with some automatic filter press, and the use of scraper scrape stick filter cake in the filter cloth; others with vibrator filter cloth vibration, prompting the filter cake to fall off from the filter cloth.
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Series ZYD-M Double-Stage Vacuum Transformer Oil Purification Systems is used for transformer oil dehydration and transformer oil degasification as well as other electrical insulating liquids such as silicone fluids with modern technique. The ZYD-M Process is able to increase and maintain the oil's
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