Automatic discharge and self-cleaning filter device for emulsion pump station
An emulsion pumping station, self-cleaning filtration technology, applied in fluid pressure actuation device, fluid pressure actuation system components, pillars/brackets, etc., can solve the problem of replacement of damaged filter element, failure to reach, low filtration accuracy of filter, etc. problems, to achieve the effect of improving energy saving and environmental protection, small system pressure shock, low vibration and noise
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[0009] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:
[0010] The inlet of the automatic unloading and self-cleaning filter device of the present invention is connected with the outlet of the emulsion pump station, and the outlet is connected with the support hydraulic system; the inlet pipeline connected with the emulsion pump station is connected with a low-pressure accumulator 1 and an unloading valve 22 in sequence , Inlet pressure gauge 2, high pressure accumulator 3 and inlet pressure sensor 21, wherein the unloading valve 22 is composed of a main valve, a pilot valve and a check valve. One or more fine filters 7, differential pressure gauges 18 and filter plugging protection valves 19 are respectively connected in parallel on the pipeline leading to the support hydraulic system, and the outlet is provided with an outlet pressure sensor 14, an outlet pressure gauge 9 and a ball valve 12 for closing the pas...
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