CN103032419A - Hydraulic filter system - Google Patents
Hydraulic filter system Download PDFInfo
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- CN103032419A CN103032419A CN2012105684766A CN201210568476A CN103032419A CN 103032419 A CN103032419 A CN 103032419A CN 2012105684766 A CN2012105684766 A CN 2012105684766A CN 201210568476 A CN201210568476 A CN 201210568476A CN 103032419 A CN103032419 A CN 103032419A
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- filter
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Abstract
The invention relates to a filter system, in particular to a hydraulic filter system. The hydraulic filter system comprises a box and filter units arranged in the box, each filter unit comprises a three-position four-way reversing valve and a backwash valve body, two filters and two spool assemblies are arranged in the backwash valve body, and each spool assembly is correspondingly connected with one of the filters. Since the two filters are correspondingly connected with the two spool assemblies in a one-to-one way and high-pressure medium is controlled by the three-position four-way reversing valve, when one of the filters is blocked, the operation of the filter can be closed by operating the reversing valve, the other filter can normally operate, the high-pressure medium flowing through the blocked filter can backwash the blocked filter, and therefore maintenance can be carried out without stopping operation.
Description
Technical field
The present invention relates to a kind of filtrating equipment, relate in particular to a kind of hydraulic filter unit.
Background technique
In recent years, fast development for coal mine output, the high-yield and high-efficiency coal-face continues to bring out, thereby promoted the maximization, rapid of colliery comprehensive mechanical coal mining equipment, large mining height electrichydraulic control hydraulic support occurs in a large number, for guaranteeing fast lasting propelling of coal-face, hydraulic support just must be worked safely and reliably.Because the contamination resistance of hydraulic element and Sealing is limited, working medium very easily is subjected to pollution caused by coal dust on the hydraulic pressure installation main supply pipeline at night, gives the various elements of hydraulic pressure installation and Sealing causes improper and damage the particularly the easiest obstruction of filter.The hydraulic filter unit that uses in the prior art, its pipeline is complicated, because the restriction of its structure, rear it is safeguarded etc. that often need to quit work has a strong impact on production at work.
Summary of the invention
In order to address the above problem, the invention provides a kind of simple in structure, hydraulic filter unit with backwashing function.
To achieve these goals, the present invention is mainly solved by the following technical programs: a kind of hydraulic filter unit, comprise casing and be arranged on the interior filter element of casing, described filter element comprises three position four-way directional control valve and backwash valve body, be provided with two filters and two mangetic core assemblies in the backwash valve body, filter of a corresponding connection of mangetic core assembly; Described mangetic core assembly comprises middle valve pocket, left valve pocket, right valve pocket, piston, spool and spring; One end of middle valve pocket is socketed with left valve pocket, and the other end is socketed with right valve pocket, and the end face of the other end of right valve pocket is provided with the liquid entering hole A that links to each other with input pipeline, and the sidewall of right valve pocket is provided with the liquid outlet A that links to each other with liquid entering hole B on the described filter; The liquid outlet B of filter is connected with output pipeline; Described spool comprises connecting rod and the spool main body that is arranged on the connecting rod, and connecting rod one end is connected with described piston, and the other end is connected with an end movable sealing of right valve pocket; Described spring housing is connected on the connecting rod, and the one end is against on the described spool main body, and the other end is against on the end inwall of right valve pocket; Described left valve pocket is provided with the control mouth that communicates with piston, and the control mouth links to each other with the liquid outlet C of selector valve; Also be provided with waste liquid outlet on the left valve pocket, waste liquid outlet is connected with buffer tank by blow-off line; Also be provided with the liquid return hole that is connected with buffer tank and the liquid entering hole C that links to each other with input pipeline on the described selector valve; The other end of liquid return hole links to each other with liquid outlet C.
As preferably, be provided with incoming pressure table and input ball check valve on the above-mentioned input pipeline.
As preferably, above-mentioned output pipeline is provided with delivery gauge and output ball check valve.
As preferably, be provided with the security alarm valve between above-mentioned input pipeline and the output pipeline.
As preferably, above-mentioned filter comprises two filter cylinders, all is fixedly connected with element kit by plug screw in each filter cylinder, also is provided with the liquid outlet B that the liquid entering hole B that communicates with element kit and output pipeline communicate on the filter.
As preferably, on the inlet opening of above-mentioned input pipeline and the delivery outlet of output pipeline be provided with the connecting tube that possesses a plurality of interfaces.
The present invention has adopted two filters and has been connected one to one corresponding connection of an element kit, realizes the control of high-pressure medium by three position four-way directional control valve; When one of them plugged filter, reversing valve operated work of closing this filter, the normal operation of another one filter, its high-pressure medium of flowing through then can carry out backwash to plugged sereen, has reached the effect that does not need to quit work and just can safeguard.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Linkage structure signal enlarged view among Fig. 2 Fig. 1 between incoming pressure table 29, input ball check valve 30, delivery gauge 31, output ball check valve 32 and the safety valve 33.
Fig. 3 is the structural representation enlarged view of filter element 2 among Fig. 1.
Fig. 4 is the structural representation enlarged view of Fig. 1 middle filtrator 5.
Fig. 5 is the structural representation enlarged view of mangetic core assembly 7 among Fig. 1.
Fig. 6 is the rear view of Fig. 1.
Fig. 7 is the structural representation enlarged view of selector valve 9 among Fig. 1.
Fig. 8 is the fundamental diagram of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing 1-8, the embodiment of technological scheme of the present invention is described in further detail.Embodiment: a kind of hydraulic filter unit comprises casing 1 and the filter element 2 that is arranged in the casing 1.Filter element 2 comprises three position four-way directional control valve 9 and backwash valve body 4, is provided with two filters 5 and two mangetic core assemblies 7 in the backwash valve body 4.Filter 5 of mangetic core assembly 7 corresponding connections.
The upper-end surface of casing 1 is provided with dismountable removable cover 16, and removable cover 16 is in the top that is arranged on the filter 5 in the casing 1; When general hydraulic filter unit breaks down, be that filter 5 damages basically, dismountable removable cover 16 is convenient to keep in repair or changes mangetic core assembly 7 in the filter 5 to filter 5 so be provided with at casing 1.
Spring 27 is socketed on the connecting rod 261, and the one end is against on the described spool main body 262, and the other end is against on the end inwall of right valve pocket 24.
Left valve pocket 23 is provided with the control mouth 15 that communicates with piston 25, and control mouthfuls 15 links to each other with the liquid outlet C56 of selector valve 9; Also be provided with waste liquid outlet 58 on the left valve pocket 23, waste liquid outlet 58 is connected with buffer tank 14 by blow-off line 13.Also be provided with the liquid return hole 57 that is connected with buffer tank 14 and the liquid entering hole C55 that links to each other with input pipeline 10 on the selector valve 9; Described liquid return hole 57 is that one in the 3-position 4-way is logical, and the other end of liquid return hole 57 links to each other with liquid outlet C56.
Be provided with incoming pressure table 29 and input ball check valve 30 on the input pipeline 10.Incoming pressure table 30 is used for the force value of expression input pipeline 10, and input ball check valve 30 is used for conducting and cut-off input pipeline 10.
Be provided with security alarm valve 33 between input pipeline 10 and the output pipeline 11.When the pressure difference of input pipeline 10 or output pipeline 11 was higher than the force value of safety valve 33 settings, safety valve 33 sprayings were reported to the police.
When the present invention works, high-pressure medium filters after flowing through behind the input pipeline 10 and entering the element kit 17 of two filters 5 by two mangetic core assemblies 7, and the liquid outlet B54 from element kit 17 after filtering flows out the medium of supplying with the cleanings of hydraulic system high pressure through output pipeline 11.When the element kit 17 of one of them filter 5 stops up, when causing the pressure difference of input pipeline 10 and output pipeline 11 to increase and surpass the force value that safety valve 33 sets, safety valve 33 sprayings are reported to the police.Handle selector valve 9, make the high-pressure medium that flows into from input pipeline 10 to the control mouth 15 of the corresponding mangetic core assembly 7 of plugged sereen 5 for night, then the piston 25 in this mangetic core assembly 7 produces corresponding motion under the pressure medium effect, promote spool 26 valve pocket 24 motions to the right, thereby the spool main body of spool 26 262 is stopped up the liquid entering hole A51 that is arranged on the right valve pocket 26, thereby closes the connection between input pipeline 10 and its corresponding filter 5; At this moment because the motion of piston 25 has caused conducting between left valve pocket 23 and the right valve pocket 24, owing to drain outlet 13 communicates with left valve pocket 23, then drain outlet 13 be connected element kit 17 conductings of the blocked filter 5 that valve pocket 24 is connected.Meanwhile, another mangetic core assembly 7 does not move, and the high-pressure medium that pumping plant provides enters output pipeline 11 by flow through successively another mangetic core assembly 7 and the filter 5 corresponding with it of input pipeline 10; Under the pressure difference effect, oppositely flow into to the outside from the inboard of the element kit 17 of plugged sereen 5, utilize the flow at high speed of high-pressure medium to wash away impurity on the element kit 17 that is attached to obstruction, and the drain outlet 13 of flowing through with element kit 17 conductings of stopping up enters buffer tank 14, with pollution medium discharged to atmosphere; Then selector valve 9 resets, at this moment liquid outlet C56 and liquid return hole 57 conductings in the selector valve 9, control mouthful 15 interior media blow back into liquid outlet C56 and enter buffer tank 14 from liquid return hole 57 inflow back flow channels, the pressure medium that then acts on mangetic core assembly 7 internal pistons 25 of previous obstruction disappears, spool 26 resets under the effect of spring 27, recover conducting input channel 10 and its corresponding filter 5, this moment, the spool main body 262 of spool 26 fitted tightly with middle valve pocket 22 again, closed conducting between left valve pocket 23 and the right valve pocket 24, be connected conducting between the element kit 17 of namely having closed previous obstruction and the drain outlet 13, finished the backwash to plugged sereen 5.As above the reverse operating selector valve 9, namely finish another filter 5 is carried out backwash.
In order to realize that a plurality of filter elements 2 carry out work simultaneously, increase work efficiency and avoid filter element 2 to damage and the damnous phenomenon that need to quit work when keeping in repair occurs, on the inlet opening of input pipeline 10 and the delivery outlet of output pipeline 11 be provided with the connecting tube 35 that possesses a plurality of interfaces.Then input pipeline 10 and the output pipeline 11 that is connected with a plurality of filter elements 2 can be connected in connecting tube 35, thereby realize that mode parallel with one another works, reach and work alone and do not affect, when having improved working efficiency, when one of them filter element 2 damages so, other filter elements 2 still can work alone in addition, and avoiding needs to stop work and the generation of damnous phenomenon.
Claims (9)
1. hydraulic filter unit, comprise casing (1) and be arranged on the interior filter element (2) of casing (1), it is characterized in that, described filter element (2) comprises three position four-way directional control valve (9) and backwash valve body (4), be provided with two filters (5) and two mangetic core assemblies (7) in the backwash valve body (4), the corresponding filter (5) that connects of a mangetic core assembly (7); Described mangetic core assembly (7) comprises middle valve pocket (22), left valve pocket (23), right valve pocket (24), piston (25), spool (26) and spring (27); One end of middle valve pocket (22) is socketed with left valve pocket (23), the other end is socketed with right valve pocket (24), the end face of the other end of right valve pocket (24) is provided with the liquid entering hole A (51) that links to each other with input pipeline (10), and the sidewall of right valve pocket (24) is provided with the liquid outlet A (52) that links to each other with liquid entering hole B (53) on the described filter (5); The liquid outlet B (54) of filter (5) is connected with output pipeline (11); Described spool (26) comprises connecting rod (261) and is arranged at spool main body (262) on the connecting rod (261), connecting rod (261) one ends are connected with described piston (25), and the other end is connected with an end movable sealing of right valve pocket (24); Described spring (27) is socketed on the connecting rod (261), and the one end is against on the described spool main body (262), and the other end is against on the end inwall of right valve pocket (24); Described left valve pocket (23) is provided with the control mouth (15) that communicates with piston (25), and control mouthful (15) links to each other with the liquid outlet C (56) of selector valve (9); Also be provided with waste liquid outlet (58) on the left valve pocket (23), waste liquid outlet (58) is connected with buffer tank (14) by blow-off line (13); Also be provided with the liquid return hole (57) that is connected with buffer tank (14) and the liquid entering hole C (55) that links to each other with input pipeline (10) on the described selector valve (9); The other end of liquid return hole (57) links to each other with liquid outlet C (56).
2. a kind of hydraulic filter unit according to claim 1 is characterized in that, is provided with incoming pressure table (29) and input ball check valve (30) on the described input pipeline (10).
3. a kind of hydraulic filter unit according to claim 1 and 2 is characterized in that, described output pipeline (11) is provided with delivery gauge (31) and output ball check valve (32).
4. a kind of hydraulic filter unit according to claim 1 and 2 is characterized in that, is provided with security alarm valve (33) between described input pipeline (10) and the output pipeline (11).
5. a kind of hydraulic filter unit according to claim 3 is characterized in that, is provided with security alarm valve (33) between described input pipeline (10) and the output pipeline (11).
6. a kind of hydraulic filter unit according to claim 1 and 2, it is characterized in that, described filter (5) comprises two filter cylinders (19), all be fixedly connected with element kit (17) by plug screw (21) in each filter cylinder (19), also be provided with the liquid outlet B (54) that the liquid entering hole B (53) that communicates with element kit (17) and output pipeline (11) communicate on the filter (5).
7. a kind of hydraulic filter unit according to claim 5, it is characterized in that, described filter (5) comprises two filter cylinders (19), all be fixedly connected with element kit (17) by plug screw (21) in each filter cylinder (19), also be provided with the liquid outlet B (54) that the liquid entering hole B (53) that communicates with element kit (17) and output pipeline (11) communicate on the filter (5).
8. a kind of hydraulic filter unit according to claim 1 and 2 is characterized in that, on the inlet opening of described input pipeline (10) and the delivery outlet of output pipeline (11) be provided with the connecting tube (35) that possesses a plurality of interfaces.
9. a kind of hydraulic filter unit according to claim 7 is characterized in that, on the inlet opening of described input pipeline (10) and the delivery outlet of output pipeline (11) be provided with the connecting tube (35) that possesses a plurality of interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568476.6A CN103032419B (en) | 2012-12-16 | 2012-12-16 | A kind of hydraulic filter unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568476.6A CN103032419B (en) | 2012-12-16 | 2012-12-16 | A kind of hydraulic filter unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103032419A true CN103032419A (en) | 2013-04-10 |
| CN103032419B CN103032419B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210568476.6A Active CN103032419B (en) | 2012-12-16 | 2012-12-16 | A kind of hydraulic filter unit |
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| Country | Link |
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| CN (1) | CN103032419B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447253A (en) * | 2017-08-28 | 2017-12-08 | 广东坚美铝型材厂（集团）有限公司 | A kind of single nickel salt coloring filter, circulated filter system and filter method |
| CN113117394A (en) * | 2021-04-26 | 2021-07-16 | 洁禹通河北环保设备有限公司 | Integrated modular water treatment device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5437788A (en) * | 1994-01-10 | 1995-08-01 | Pall Corporation | Backwashing filter assembly |
| DE102006053629A1 (en) * | 2006-11-14 | 2008-05-15 | Marco Systemanalyse Und Entwicklung Gmbh | Filter station for underground mining, has valves i.e. poppet valves, provided for connecting inlet of backflushing filters with backflushing connector, and third valve provided for alternately detaching one of filters from feeder |
| CN101664613A (en) * | 2009-09-09 | 2010-03-10 | 无锡市创恒机械有限公司 | Emulsion high-pressure automatic back-flushing filtering device |
| CN101766927A (en) * | 2010-02-17 | 2010-07-07 | 浙江丰隆液压元件有限公司 | High-pressure and high-precision backwashing filtration station |
| CN101869788A (en) * | 2010-06-09 | 2010-10-27 | 三一重型装备有限公司 | Emulsion backwash filter station and hydraulic control change valve thereof |
| CN201739556U (en) * | 2010-05-16 | 2011-02-09 | 山西平阳广日机电有限公司 | Hydraulic-control two-position three-way reversing valve core |
| CN102072224A (en) * | 2011-01-28 | 2011-05-25 | 浙江中煤矿业有限公司 | High and low-pressure backwashing filter device for hydraulic bracket |
| CN102814067A (en) * | 2012-07-15 | 2012-12-12 | 华煤发展科技有限公司 | High precision pressure backwashing filter station for coal mine |
| CN202955071U (en) * | 2012-12-16 | 2013-05-29 | 华煤发展科技有限公司 | Hydraulic filtering device |
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2012
- 2012-12-16 CN CN201210568476.6A patent/CN103032419B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5437788A (en) * | 1994-01-10 | 1995-08-01 | Pall Corporation | Backwashing filter assembly |
| DE102006053629A1 (en) * | 2006-11-14 | 2008-05-15 | Marco Systemanalyse Und Entwicklung Gmbh | Filter station for underground mining, has valves i.e. poppet valves, provided for connecting inlet of backflushing filters with backflushing connector, and third valve provided for alternately detaching one of filters from feeder |
| CN101664613A (en) * | 2009-09-09 | 2010-03-10 | 无锡市创恒机械有限公司 | Emulsion high-pressure automatic back-flushing filtering device |
| CN101766927A (en) * | 2010-02-17 | 2010-07-07 | 浙江丰隆液压元件有限公司 | High-pressure and high-precision backwashing filtration station |
| CN201739556U (en) * | 2010-05-16 | 2011-02-09 | 山西平阳广日机电有限公司 | Hydraulic-control two-position three-way reversing valve core |
| CN101869788A (en) * | 2010-06-09 | 2010-10-27 | 三一重型装备有限公司 | Emulsion backwash filter station and hydraulic control change valve thereof |
| CN102072224A (en) * | 2011-01-28 | 2011-05-25 | 浙江中煤矿业有限公司 | High and low-pressure backwashing filter device for hydraulic bracket |
| CN102814067A (en) * | 2012-07-15 | 2012-12-12 | 华煤发展科技有限公司 | High precision pressure backwashing filter station for coal mine |
| CN202955071U (en) * | 2012-12-16 | 2013-05-29 | 华煤发展科技有限公司 | Hydraulic filtering device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447253A (en) * | 2017-08-28 | 2017-12-08 | 广东坚美铝型材厂（集团）有限公司 | A kind of single nickel salt coloring filter, circulated filter system and filter method |
| CN107447253B (en) * | 2017-08-28 | 2023-10-20 | 广东坚美铝型材厂（集团）有限公司 | Single nickel salt coloring filter, circulating filtering system and filtering method |
| CN113117394A (en) * | 2021-04-26 | 2021-07-16 | 洁禹通河北环保设备有限公司 | Integrated modular water treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103032419B (en) | 2015-12-16 |
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