CN214233088U - Movable high-pressure automatic backwashing filter device - Google Patents
Movable high-pressure automatic backwashing filter device Download PDFInfo
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- CN214233088U CN214233088U CN202022748531.2U CN202022748531U CN214233088U CN 214233088 U CN214233088 U CN 214233088U CN 202022748531 U CN202022748531 U CN 202022748531U CN 214233088 U CN214233088 U CN 214233088U
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Abstract
The utility model relates to an automatic back flush filter equipment of portable high pressure, first valves and second valves are connected with first filter and second filter respectively, first filter is equipped with first pressure differential signaling switch, the second filter is equipped with second pressure differential signaling switch, first solenoid valve is connected with first cartridge valve, the second solenoid valve is connected with the second cartridge valve, the second valves includes the third solenoid valve, the fourth solenoid valve, third cartridge valve and fourth cartridge valve, the third solenoid valve is connected with the third cartridge valve, the fourth solenoid valve is connected with the fourth cartridge valve, first cartridge valve and third cartridge valve are connected with the oil inlet, the second cartridge valve is connected with the blowdown hydraulic fluid port, first filter and second filter are connected with the oil-out. The filter device can shake and back flush the filter element of the filter device without stopping and disassembling under the condition of ensuring efficient precise filtration, and the filter element blockage fault caused by pollution is solved in time.
Description
Technical Field
The utility model relates to a mechanical hydraulic equipment technical field, in particular to automatic back flush filter equipment of portable high pressure.
Background
The oil used by the hydraulic system needs to be filtered, and under the working environment of underground methane and coal dust for mining, the high-precision purification and filtration of the hydraulic medium emulsion needs to be carried out under the dust environment, so that pollutants and impurities in the emulsion are removed, and the normal work of the hydraulic system is ensured. The existing filtering device needs to be stopped to disassemble the filter after filtering for a certain time and blocking the filter element, so that the filter element is taken out to be washed and maintained, the maintenance time of a hydraulic system is prolonged, and the use efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's problem, provide a portable high pressure automatic back flush filter equipment with safe, quick, reliable high pressure filtration and reverse self-flushing filtration ability.
The specific technical scheme is as follows: a movable high-pressure automatic backwashing filter device comprises a first filter, a second filter and an integrated valve group, wherein the integrated valve group comprises a first valve group and a second valve group, the first valve group and the second valve group are respectively connected with the first filter and the second filter, the first filter is provided with a first differential pressure signaling switch, the second filter is provided with a second differential pressure signaling switch, the first valve group comprises a first electromagnetic valve, a second electromagnetic valve, a first cartridge valve and a second cartridge valve, the first electromagnetic valve is connected with the first cartridge valve, the second electromagnetic valve is connected with the second cartridge valve, the second valve group comprises a third electromagnetic valve, a fourth electromagnetic valve, a third cartridge valve and a fourth cartridge valve, the third electromagnetic valve is connected with the third cartridge valve, the fourth electromagnetic valve is connected with the fourth cartridge valve, the first cartridge valve and the third cartridge valve are connected with an oil inlet, the second cartridge valve is connected with a sewage discharge oil port, the first filter and the second filter are connected with the oil outlet.
Preferably, the first valve bank and the second valve bank are respectively communicated with the oil discharge port.
Preferably, the integrated valve block is disposed on the cart, and the first filter and the second filter are disposed on the integrated valve block.
As a preferred scheme, an oil outlet and a reverse drainage port are formed in a shell of the integrated valve group.
Preferably, the first solenoid valve, the second solenoid valve, the third solenoid valve, the fourth cartridge valve, the fifth solenoid valve, the sixth cartridge valve, the fourth cartridge valve, the second cartridge valve, the fourth cartridge valve, the third cartridge valve, the fourth cartridge valve, and the cartridge valve, the fourth cartridge valve, the cartridge.
The technical effects of the utility model: the utility model discloses an automatic back flush filter equipment of portable high pressure can be at not shutting down guaranteeing under the efficient microfiltration condition, need not carry out tremor and back flush to filter equipment's filter core under the condition of disintegrating, passes through the sewage pipes discharge with its filter core surface adnexed pollutant, in time solves the contamination and causes filter core blocking fault.
Drawings
Fig. 1 is a perspective view of a mobile high-pressure automatic backwashing filter device according to an embodiment of the present invention.
Fig. 2 is a schematic view of a mobile high-pressure automatic backwashing filter device according to an embodiment of the present invention.
Fig. 3 is another schematic view of a mobile high-pressure automatic backwashing filter device according to an embodiment of the present invention.
Fig. 4 is a hydraulic schematic diagram of a mobile high-pressure automatic backwashing filter device according to an embodiment of the present invention.
Detailed Description
The essential features and advantages of the invention will be further explained below with reference to examples, but the invention is not limited to the embodiments listed.
As shown in fig. 1 to 4, the mobile high-pressure automatic backwashing filter device of the present embodiment includes a first filter 10, a second filter 20 and an integrated valve assembly 30, where the integrated valve assembly 30 includes a first valve assembly 1 and a second valve assembly 2, and the first valve assembly 1 and the second valve assembly 2 are respectively connected to a first filter 201 and a second filter 202. The first filter 201 is provided with a first differential pressure signaling switch 3, and the second filter 202 is provided with a second differential pressure signaling switch 4. The first valve block 1 comprises a first solenoid valve 11, a second solenoid valve 12, a first cartridge valve 13 and a second cartridge valve 14, the first solenoid valve 11 being connected to the first cartridge valve 13, the second solenoid valve 12 being connected to the second cartridge valve 14. The second valve group 2 comprises a third solenoid valve 21, a fourth solenoid valve 22, a third cartridge valve 23 and a fourth cartridge valve 24, the third solenoid valve 21 being connected to the third cartridge valve 23 and the fourth solenoid valve 22 being connected to the fourth cartridge valve 24. The first cartridge valve 13 and the third cartridge valve 23 are connected with an oil inlet P (in), the second cartridge valve 14 is connected with a sewage discharge port F, and the first filter 10 and the second filter 20 are connected with an oil outlet P (out). In the technical scheme, two groups of valve groups are installed on the integrated valve group 30, each valve group is provided with a two-way cartridge valve of DN40, a cartridge valve cover plate is provided with a pilot-controlled two-position three-way electromagnetic valve, a valve block is connected with two groups of high-pressure stainless steel filters with the flow rate of 1000L/min, the forward filtering or reverse flushing functions of the two groups of stainless steel filters are selected through reversing control of the two-position three-way electromagnetic valves on the valve groups, and an oil inlet P (in) and an oil outlet P (out) are DN 40. The forward maximum oil flow is 2000L/min, the reverse pollution discharge flow is 1000L/min, and the highest practical pressure is 40 MPa. The first filter and the second filter monitor the pollution condition of the filter element in real time on line through the differential pressure signaling switch, when the filter element is partially blocked, the pressure difference between the oil inlet end of the filter element and the oil outlet end of the filter element exceeds the set pressure of the differential pressure signaling device, the differential pressure signaling switch sends an alarm signal, the electrical control box automatically switches to a reverse flushing control program, oil reversely impacts and cleans the faulted filter element through the oil inlet and the cartridge valve, and pollutants and impurities are discharged from the sewage discharge oil port. This filter equipment is guaranteeing under the efficient microfiltration condition, can be without shutting down, need not carry out tremor and back flush to filter equipment's filter core under the condition of disintegrating, passes through the blowdown passageway with its filter core surface adnexed pollutant and discharges, in time solves the contamination and causes filter core jam trouble.
In this embodiment, the first valve set 1 and the second valve set 2 are respectively communicated with the oil discharge port Tc. An integrated valve block 30 is provided on the cart 4, and the first filter 10 and the second filter 20 are provided on the integrated valve block 30. An oil outlet P (out) and a reverse drainage port 5 are arranged on the shell of the integrated valve group 30. The first solenoid valve, the second solenoid valve, the third solenoid valve, the fourth cartridge valve and the fourth cartridge valve are all two-way cartridge valves.
The working principle of the mobile high-pressure automatic backwashing filter device of the embodiment is as follows:
when the filter device is used in the forward direction, the filter device has an oil filtering function, the first electromagnetic valve 11 or the third electromagnetic valve 21 is electrified, the first cartridge valve 13 or the third cartridge valve 23 is opened, the second cartridge valve 14 and the fourth cartridge valve 24 are closed, oil flows through the oil filter 1 or the oil filter 2 from the oil inlet P (in) in the forward direction through the cartridge valves, the forward filtering function is realized, and the oil is discharged through the oil outlet P (out).
During back flushing, the first valve group and the second valve group cannot be opened simultaneously and can only be opened alternately, and the two back flushing filters are washed alternately in the back direction, wherein the working sequence is as follows:
1. firstly, setting differential pressure signaling pressure of a first filter and a second filter;
2. when the pressure difference of the first filter sends an alarm, the oil filter of the first filter is blocked, the oil outlet P (out) stops supplying oil, the electrical control box is automatically communicated with the second electromagnetic valve 12 and the third electromagnetic valve 21, the third cartridge valve 23 opens a hydraulic medium to enter the oil filter of the second filter 2 from the oil inlet P (in), then oil reversely flushes the oil filter of the first filter, and oil pollutants are discharged out of the sewage discharge port F through the second cartridge valve 14;
3. after the first differential pressure signaling switch 3 is recovered to be normal, the second electromagnetic valve 12 is powered off, the electromagnetic valve automatically resets under the action of spring force, the third cartridge valve 23 and the second cartridge valve 14 are closed, and the sewage discharge port F of the reverse flushing channel is closed.
The mobile high-pressure automatic backwashing filter device of the embodiment is a high-pressure and large-flow oil filter device, and is installed and used in a hydraulic system of a downhole hydraulic support. The device can regard as the one-level filtration of oil source system under the dust environment, connects between pump station and hydraulic support, can carry out high accuracy to the hydraulic medium emulsion and purify the filtration, clears away pollutant and impurity in the emulsion. The problem that a pilot control valve core of a precise control valve of an example is clamped due to oil impurities is solved, the sealing service life of the hydraulic support is prolonged, and good operation of a hydraulic system and normal operation of hydraulic support equipment are guaranteed.
It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. A movable high-pressure automatic backwashing filter device is characterized by comprising a first filter, a second filter and an integrated valve group, wherein the integrated valve group comprises a first valve group and a second valve group which are respectively connected with the first filter and the second filter, the first filter is provided with a first differential pressure signaling switch, the second filter is provided with a second differential pressure signaling switch, the first valve group comprises a first electromagnetic valve, a second electromagnetic valve, a first cartridge valve and a second cartridge valve, the first electromagnetic valve is connected with the first cartridge valve, the second electromagnetic valve is connected with the second cartridge valve, the second valve group comprises a third electromagnetic valve, a fourth electromagnetic valve, a third cartridge valve and a fourth cartridge valve, the third electromagnetic valve is connected with the third cartridge valve, the fourth electromagnetic valve is connected with the fourth cartridge valve, the first cartridge valve and the third cartridge valve are connected with a cartridge valve, the second cartridge valve is connected with a sewage discharge port, the first filter and the second filter are connected with the oil outlet.
2. The mobile high-pressure automatic backwashing filter of claim 1, wherein the first and second valve banks are respectively communicated with an oil discharge port.
3. The mobile high pressure automatic backwash filter device according to claim 2 wherein an integrated valve block is provided on the cart and the first filter and the second filter are provided on the integrated valve block.
4. The mobile high-pressure automatic backwashing filter of claim 3, wherein an oil outlet and a reverse drainage port are formed in a housing of the integrated valve group.
5. The mobile high-pressure automatic backwash filter device according to claim 4, wherein the first to fourth solenoid valves are two-position three-way solenoid valves, and the first to fourth cartridge valves are two-way cartridge valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022748531.2U CN214233088U (en) | 2020-11-25 | 2020-11-25 | Movable high-pressure automatic backwashing filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022748531.2U CN214233088U (en) | 2020-11-25 | 2020-11-25 | Movable high-pressure automatic backwashing filter device |
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| Publication Number | Publication Date |
|---|---|
| CN214233088U true CN214233088U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022748531.2U Active CN214233088U (en) | 2020-11-25 | 2020-11-25 | Movable high-pressure automatic backwashing filter device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130099A (en) * | 2021-12-01 | 2022-03-04 | 辛集迪扬生物科技有限公司 | Screening and purifying equipment for microbial agent for organic fertilizer |
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2020
- 2020-11-25 CN CN202022748531.2U patent/CN214233088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130099A (en) * | 2021-12-01 | 2022-03-04 | 辛集迪扬生物科技有限公司 | Screening and purifying equipment for microbial agent for organic fertilizer |
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Address after: No.2667, Xinglong Avenue, Yongchuan District, Chongqing 402160 Patentee after: China Shipbuilding Chongqing Hydraulic Electromechanical Co.,Ltd. Address before: No.2667, Xinglong Avenue, Yongchuan District, Chongqing 402160 Patentee before: CSIC CHONGQING HYDRAULIC MECHANICAL-ELECTRONICAL Co.,Ltd. |