Back flushing filter assembly
A technology of backwash filtration and assembly, which is applied in the field of hydraulic systems, can solve the problems that cannot be easily removed, impurities are difficult to clean, and cannot be automatically removed, so as to achieve simple structure, prevent accumulation of impurities, and reduce the work of disassembly and cleaning Effect
Inactive Publication Date: 2017-06-09
SHANGHAI BETT TRANSMISSION EQUIP
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Problems solved by technology
[0002] The existing filter systems on the market can only filter impurities through the filter, and cannot be easily removed; when the filter is used for a period of time, the impurities on the surface of the filter will accumulate more and more, which cannot be removed automatically, and can only be removed manually. The method of disassembly is to take out the filter screen and clean it. This method is labor-intensive and time-consuming; when there are too many impurities on the filter screen, it is difficult to remove the impurities in the gaps of the filter screen. If the oil quality requirements are high, the filter element must be replaced
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[0020] Such as figure 1 and figure 2 As shown, a backwash filter assembly of the present invention includes a controller 1 and a filter 2, a pipeline 3 is opened in the middle of the controller 1, one end of the pipeline 3 is a liquid inlet 4, and the other end It is the miscellaneous outlet 5, the filter 2 is set on one side of the controller 1, the filter 2 is a hollow shell structure, and the pipeline 3 and the cavity of the filter 2 pass through the first passage The liquid pipe 6 communicates with the second liquid pipe 7, a filter element 8 is arranged in the filter 2, and a liquid outlet 9 is opened at one end of the filter 2;
[0021] The pipeline 3 is provided with a reversing valve 10, and the filter 2 is in a normal working state or a backwashing state through the control of the reversing valve 10;
[0022] In normal working condition, the pipeline 3 communicates with the first liquid pipe 6, the liquid flows in from the liquid inlet 4, flows into the filter elem...
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The invention relates to a backwash filter assembly, which belongs to the field of hydraulic systems; the technical problem to be solved is to provide a backwash filter assembly, which uses a reversing valve to change the flow direction of the liquid, and backwashes impurities on the surface of the filter element out of the filter , so that the effect of cleaning the filter element can be achieved without manual disassembly and cleaning; the technical solution adopted to solve this technical problem is: a backwash filter assembly, including a controller and a filter. There is a pipeline in the middle of the controller, and the pipeline One end is the liquid inlet and the other end is the miscellaneous outlet. The pipeline and the filter are connected through the first liquid pipe and the second liquid pipe. The filter is provided with a filter element, and one end of the filter is opened with a liquid outlet. The normal working state or the backwashing state is shown through the control of the reversing valve. In the normal working state, the pipeline is connected with the first liquid pipe, and the liquid flows in from the liquid inlet and flows out from the liquid outlet. In the backwashing state, the pipeline It communicates with the second liquid pipe, and the liquid enters from the second liquid pipe and flows out from the miscellaneous outlet.
Description
technical field [0001] The invention relates to a backwash filter assembly, which belongs to the technical field of hydraulic systems. Background technique [0002] The existing filter systems on the market can only filter impurities through the filter, which cannot be easily removed; when the filter is used for a period of time, the impurities on the surface of the filter will accumulate more and more, which cannot be removed automatically, and can only be removed manually. The method of disassembly is to take out the filter screen and clean it. This method is labor-intensive and time-consuming; when there are too many impurities on the filter screen, it is difficult to remove the impurities in the gaps of the filter screen. If the oil quality is high, the filter element must be replaced. Contents of the invention [0003] The present invention overcomes the deficiencies in the prior art and provides a backwash filter assembly, which uses a reversing valve to change the f...
Claims
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IPC IPC(8): B01D29/11B01D29/68B01D29/94
CPCB01D29/114B01D29/68B01D29/94
Inventor 胡衣锋轩永亮孙业春李春峰张飞
Owner SHANGHAI BETT TRANSMISSION EQUIP