CN203355429U - Automatic back washing filter - Google Patents
Automatic back washing filter Download PDFInfo
- Publication number
- CN203355429U CN203355429U CN 201320361401 CN201320361401U CN203355429U CN 203355429 U CN203355429 U CN 203355429U CN 201320361401 CN201320361401 CN 201320361401 CN 201320361401 U CN201320361401 U CN 201320361401U CN 203355429 U CN203355429 U CN 203355429U
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- hole
- filter core
- spool
- filter
- spool bore
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- Withdrawn - After Issue
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Abstract
The utility model relates to an automatic back washing filter which comprises a valve body (1), a transitional plate (2), a pilot valve (3), a first valve core hole (4), a second valve core hole (5), a back discharge hole (6), a first valve core (7), a second valve core (8), a first filter element cavity (9), a second filter element cavity (10), a filter element (11), a plug hole (12), a liquid inlet hole (13), a liquid outlet hole (14), a plug (15) and a fabrication hole (16). The automatic back washing filter not only has automatic cleaning and back washing functions, but also is small in size and compact and reasonable in structure; the fault points and global routine maintenance of equipment are reduced effectively, the fault removal time is shortened greatly, and the service life of the equipment is prolonged; the valve core and the filter element are arranged in an inserted manner, so that convenience is provided for assembly, and the leak tightness and the production efficiency are improved.
Description
Technical field
The utility model belongs to art of filters, is specifically related to a kind of automatic backwashing filter.
Background technology
In prior art, the structure of filter is varied, at hydraulic pressure system of hydraulic support, working media used is oil emulsion, because the colliery conditions down-hole is more severe, unavoidably there is impurity, if these impurity can not be cleared out in time, normally in service in system, these impurity can pollute other Hydraulic Elements, thereby cause the operation of hydraulic system part ineffective, out of control.Be subject to due to subsurface environment, space; filter volume commonly used was all larger in the past, take up room large, and unreasonable structure; cost is high; and filter is connected with valve body screw thread, cause the easy thread gluing in threaded connection place, venting plug is connected with valve body; cause keeping in repair, change, assemble all cumbersome; and, after plugged filter, necessary manual backwashing or stop cleaning, have a strong impact on coal production and safety.
Summary of the invention
Technical problem to be solved in the utility model is to solve the deficiencies in the prior art, and provide a kind of simple in structure, volume is little, be convenient to the automatic backwashing filter of down-hole assembling maintenance.
The technical solution of the utility model: a kind of automatic backwashing filter, it comprises valve body 1, rebound 2, pilot valve 3, the first spool bore 4, the second spool bore 5, anti-round 6, the first spool 7, the second spool 8, the first filter core chamber 9, the second filter core chamber 10, filter core 11, plug hole 12, inlet opening 13, fluid hole 14, plug 15 and fabrication hole 16, is characterized in that rebound 2 and pilot valve 3 are arranged on above valve body 1, and rebound 2 is connected by screw with the pilot valve 3 on the right, and valve body 1 front is disposed with the first spool bore 4 from left to right, the second spool bore 5 and anti-round 6, the first spool 7 is arranged in the first spool bore 4, the second spool 8 is arranged in the second spool bore 5, valve body 1 left side is provided with plug hole 12 and inlet opening 13, inlet opening 13 is communicated with the first spool bore 4 and the second spool bore 5, and 12 the right, plug hole are that 9 the right, 9, the first filter core chamber, the first filter core chamber are the second filter core chamber 10, the second 10 the right, filter core chamber is fluid hole 14, and wherein the plug hole 12, the first filter core chamber 9, the second filter core chamber 10 and fluid hole 14 are communicated with, plug 15 is arranged in plug hole 12, filter core 11 is arranged in the first filter core chamber 9 and the second filter core chamber 10, the first spool bore 4 is communicated with the first filter core chamber 9, the second spool bore 5 is communicated with the second filter core chamber 10, valve body 1 right side is provided with fluid hole 14 and fabrication hole 16, and anti-round 6 is communicated with by fabrication hole 16 with the first spool bore 4 and the second spool bore 5.
Described the first spool 7 and the second spool 8 all adopt integral plugged formula structure.
Also comprise that exhaust is stifled 17, exhaust stifled 17 is communicated with the first spool bore 4 and the second spool bore 5.
Described filter core 11 is integral plugged formula structures.
Described plug 15 is arranged in plug hole 12 by the U-shaped card.
The beneficial effects of the utility model:
1. the utility model can be fast, reliably the import of control valve is carried out to effective secondary filter, and can be in the situation that do not shut down, without the filter core disintegrated to filter, carry out backwash, filter element device is not stopped up, greatly reduce because pollution makes part (piston, the spool etc.) fault that attonity causes, guaranteed that the good operation of hydraulic system and support apparatus can run well for a long time;
2. filter is provided with the Automatic clearance backwashing function, by combining with corresponding electrohydraulic control system program, can regularly or regularly to filter core, carry out backwash, and its filter core is maintained in the clean condition, and guarantees working properly carrying out.Filter by scientific and reasonable design, select the high-quality stainless steel, adopt advanced process manufacturing technology, all seal the advantages such as reliable, filtering accuracy high (25 μ below), confession flow quantity are large thereby make to have under high and low pressure.Filter core is made with the high-quality stainless steel, corrosion-resistant, antifatigue, and intensity is high, can carry out repeatedly backwash and cleaning and Reusability;
3. the utility model volume is little, and compact conformation is reasonable, effectively reduces the trouble point of equipment, and global regular maintenance also greatly reduces the troubleshooting time, the service life of extension device; Spool and filter core adopt plug-in, are convenient to assembling, have improved sealing, have improved production efficiency.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 dissects the cutaway view of symbol along A-A in Fig. 1.
The specific embodiment
As Fig. 1, shown in Fig. 2, a kind of automatic backwashing filter, it comprises valve body 1, rebound 2, pilot valve 3, the first spool bore 4, the second spool bore 5, anti-round 6, the first spool 7, the second spool 8, the first filter core chamber 9, the second filter core chamber 10, filter core 11, plug hole 12, inlet opening 13, fluid hole 14, plug 15 and fabrication hole 16, is characterized in that rebound 2 and pilot valve 3 are arranged on above valve body 1, and rebound 2 is connected by screw with the pilot valve 3 on the right, and valve body 1 front is disposed with the first spool bore 4 from left to right, the second spool bore 5 and anti-round 6, the first spool 7 is arranged in the first spool bore 4, the second spool 8 is arranged in the second spool bore 5, valve body 1 left side is provided with plug hole 12 and inlet opening 13, inlet opening 13 is communicated with the first spool bore 4 and the second spool bore 5, and 12 the right, plug hole are that 9 the right, 9, the first filter core chamber, the first filter core chamber are the second filter core chamber 10, the second 10 the right, filter core chamber is fluid hole 14, and wherein the plug hole 12, the first filter core chamber 9, the second filter core chamber 10 and fluid hole 14 are communicated with, plug 15 is arranged in plug hole 12, filter core 11 is arranged in the first filter core chamber 9 and the second filter core chamber 10, the first spool bore 4 is communicated with the first filter core chamber 9, the second spool bore 5 is communicated with the second filter core chamber 10, valve body 1 right side is provided with fluid hole 14 and fabrication hole 16, and anti-round 6 is communicated with by fabrication hole 16 with the first spool bore 4 and the second spool bore 5.
Described the first spool 7 and the second spool 8 all adopt integral plugged formula structure.
Also comprise that exhaust is stifled 17, exhaust stifled 17 is communicated with the first spool bore 4 and the second spool bore 5.
Described filter core 11 is integral plugged formula structures.
Described plug 15 is arranged in plug hole 12 by the U-shaped card.
Operation principle is as follows:
The automatic counter-current flush filter is comprised of two filter chambers, and the filter core that a filtering accuracy is 25 μ m is housed in filter chamber.Emulsion enters from the inlet of automatic counter-current flush filter, by flowing out from liquid outlet after 2 filter element filterings of filter;
Control spool by pilot valve, open the spool of a certain side, will cause the filter chamber of this side to be closed, liquid return hole is opened simultaneously.After liquid is flowed into and filtered by opposite side, reverse flow is crossed the filter chamber of this side, this side filter chamber is carried out to backflush, and flow out from liquid return hole.
Backwash switch (being spool), filter core are integral plugged formula structure, but integral installation and dismounting, the convenient replacing in down-hole and maintenance.
Claims (5)
1. an automatic backwashing filter, it comprises valve body (1), rebound (2), pilot valve (3), the first spool bore (4), the second spool bore (5), anti-round (6), the first spool (7), the second spool (8), the first filter core chamber (9), the second filter core chamber (10), filter core (11), plug hole (12), inlet opening (13), fluid hole (14), plug (15) and fabrication hole (16), it is characterized in that rebound (2) and pilot valve (3) are arranged on above valve body (1), rebound (2) is connected by screw with the pilot valve (3) on the right, valve body (1) front is disposed with the first spool bore (4) from left to right, the second spool bore (5) and anti-round (6), the first spool (7) is arranged in the first spool bore (4), the second spool (8) is arranged in the second spool bore (5), valve body (1) left side is provided with plug hole (12) and inlet opening (13), inlet opening (13) is communicated with the first spool bore (4) and the second spool bore (5), the right, plug hole (12) is the first filter core chamber (9), the first the right, filter core chamber (9) is the second filter core chamber (10), the second the right, filter core chamber (10) is fluid hole (14), wherein plug hole (12), the first filter core chamber (9), the second filter core chamber (10) and fluid hole (14) are communicated with, plug (15) is arranged in plug hole (12), filter core (11) is arranged in the first filter core chamber (9) and the second filter core chamber (10), the first spool bore (4) is communicated with the first filter core chamber (9), the second spool bore (5) is communicated with the second filter core chamber (10), valve body (1) right side is provided with fluid hole (14) and fabrication hole (16), anti-round (6) is communicated with by fabrication hole (16) with the first spool bore (4) and the second spool bore (5).
2. a kind of automatic backwashing filter according to claim 1, is characterized in that described the first spool (7) and the second spool (8) all adopt integral plugged formula structure.
3. a kind of automatic backwashing filter according to claim 1, is characterized in that also comprising that exhaust blocks up (17), and exhaust stifled (17) is communicated with the first spool bore (4) and the second spool bore (5).
4. a kind of automatic backwashing filter according to claim 1, is characterized in that described filter core (11) is integral plugged formula structure.
5. a kind of automatic backwashing filter according to claim 1, is characterized in that described plug (15) is arranged in plug hole (12) by the U-shaped card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320361401 CN203355429U (en) | 2013-06-24 | 2013-06-24 | Automatic back washing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320361401 CN203355429U (en) | 2013-06-24 | 2013-06-24 | Automatic back washing filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203355429U true CN203355429U (en) | 2013-12-25 |
Family
ID=49803255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320361401 Withdrawn - After Issue CN203355429U (en) | 2013-06-24 | 2013-06-24 | Automatic back washing filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203355429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285646A (en) * | 2013-06-24 | 2013-09-11 | 山西平阳广日机电有限公司 | Automatic backwashing filter |
-
2013
- 2013-06-24 CN CN 201320361401 patent/CN203355429U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285646A (en) * | 2013-06-24 | 2013-09-11 | 山西平阳广日机电有限公司 | Automatic backwashing filter |
| CN103285646B (en) * | 2013-06-24 | 2015-09-16 | 山西平阳广日机电有限公司 | Automatic backwashing filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20150916 |
|
| RGAV | Abandon patent right to avoid regrant |