High-pressure back-wash filter station
A backwashing and filter station technology, applied in the field of filter stations, can solve problems such as troublesome operation, rust or jamming, and achieve the effect of convenient replacement of filter elements
Active Publication Date: 2013-03-27
NINGBO LONG WALL FLUID KINETIC SCI TECH
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Problems solved by technology
When the filter element needs to be replaced or repaired, it is necessary to unscrew the filter element from the housing, which is troublesome to operate
At the same time, threaded connection is easy to cause rust or jamming
Method used
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Embodiment Construction
[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0019] A high-pressure backwash filter station, comprising a liquid inlet pipeline 1, a liquid outlet pipeline 2, a three-way valve 3, a reversing valve 4 and a filter cartridge assembly 5, the liquid inlet pipeline 1 communicates with the reversing valve 4 through the three-way valve 3, The reversing valve 4 communicates with the filter cartridge assembly 5, and the filter cartridge assembly 5 communicates with the liquid outlet pipeline 2. The filter cartridge assembly 5 includes a housing 6 and a filter element 7. The filter element 7 is arranged in the housing 6, and an end cap 8 is provided at the upper end of the filter element 7. The inner side of the upper end of the shell 6 is fixedly provided with a screw plug 9, and the inner upper end of the screw plug 9 is provided with a gland 10, and a quick locking mechanism is arranged between ...
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The invention discloses a high-pressure back-wash filter station which comprises a liquid inlet pipeline, a liquid outlet pipeline, a three-way valve, a reversing valve and a filter cylinder component, wherein the filter cylinder component comprises an outer housing and a filter core, the filter core is arranged in the outer housing, and the upper end of the filter core is provided with an end cover. The high-pressure back-wash filter station is characterized in that the inner side of the upper end of the outer housing is fixedly provided with a plug, the upper end in the plug is provided with a press cover, a quick locking mechanism is arranged between the press cover and the plug, the end cover extends into the lower end in the plug, the end cover is arranged under the press cover, a concave hole is formed in the end cover, a screw rod penetrates through the center of the press cover, and the lower end of the screw rod extends into the concave hole and butts against the end cover. The high-pressure back-wash filter station has the advantages that when the screw rod is screwed by a certain angle, the front end of the screw rod deviates from an inner hole, the upper surface of a locking block deviates and compresses the upper surface of a ring-shaped groove, the press cover is rotated by a certain angle, and the locking block is directed at a gap, so that the press cover can be withdrawn from the plug, the screw rod can be withdrawn along with the press cover, and the filter core can be withdrawn from the outer housing and is very convenient to change.
Description
technical field [0001] The invention relates to a filter station, in particular to a high-pressure backwash filter station. Background technique [0002] During the use of the hydraulic system, the failures caused by medium pollution account for the majority of system failures. With the automation of the working process of the parts, the parts of the hydraulic system are becoming more and more precise, and the failure rate of the required components is getting lower and lower. Therefore, Improving the filtration accuracy of the system medium and preventing the excess in the medium from entering the working parts are important means to improve the reliability of the hydraulic system. [0003] The high-pressure filter station with backwashing function is a medium cleaning device specially designed to ensure the long-term reliable operation of the hydraulic system. The high-pressure filter station is installed at the outlet of the pump station to filter medium pollutants befor...
Claims
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IPC IPC(8): F15B21/04
Inventor 应永华陈海斌何海瑞程可捷
Owner NINGBO LONG WALL FLUID KINETIC SCI TECH