CN100594963C - Filter - Google Patents
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- CN100594963C CN100594963C CN200810144808A CN200810144808A CN100594963C CN 100594963 C CN100594963 C CN 100594963C CN 200810144808 A CN200810144808 A CN 200810144808A CN 200810144808 A CN200810144808 A CN 200810144808A CN 100594963 C CN100594963 C CN 100594963C
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- China
- Prior art keywords
- filter element
- filter
- valve
- jet pipe
- back flush
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000001914 filtration Methods 0.000 claims abstract description 32
- 239000010865 sewage Substances 0.000 claims abstract description 29
- 230000004888 barrier function Effects 0.000 claims description 26
- 239000007921 spray Substances 0.000 claims description 14
- 239000012535 impurity Substances 0.000 abstract description 17
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000004907 flux Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 6
- 238000011118 depth filtration Methods 0.000 description 5
- 230000008676 import Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
- B01D35/301—Constructions of two or more housings
- B01D35/303—Constructions of two or more housings the housings being modular, e.g. standardised
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Cyclones (AREA)
- Safety Valves (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a device which carries out the filtration on the fluid medium conveyed by the pipeline, in particular to a cleanable filter which can realize the hydrocyclone separation, surface interception and deep filtration of the impurity in the fluid medium at the same time. The filter is provided with an inlet pipeline, a filter unit group, a sewage drainage pipeline and an outletpipeline; the filter unit group is internally provided with a standby filter unit; an inlet cutting valve is arranged between all filter units of the inlet pipeline and the filter unit group; the inlet pipeline is connected with each filter unit by the inlet cutting valve; an outlet cutting valve is arranged between all filter units of the outlet pipeline and the filter unit group; the output pipeline is connected with each filter unit by the outlet cutting valve. The device of the invention can carry out the maintenance under the situation that shutdown is not necessary and the pipeline normally conveys the medium, can replace the filter unit; furthermore, when the impurities are automatically back-cleaned, the pressure and flux of the conveyed medium can be ensured to be stable.
Description
Technical field
The present invention relates to device that the fluid media (medium) that pipeline is carried is filtered, specifically is a kind ofly can realize simultaneously that the impurity in the fluid medium carries out the filter capable of washing of rotational flow separation, surface interception, in-depth filtration.
Background technology
Existing disk type (or stacked) automatic cleaning strainer all is to be combined by several filter elements.Each filter element is to be made of unit housings, plough groove type disc group, three pillar type reversal nozzle, unit housings seat and reversal valve etc.Its structure is comparatively complicated, trouble hunting rate height, and need shut down when maintenance, makes pipeline can not normally supply defeated medium.In that filter is anti-when cleaning impurity, each filter element must be shut down anti-cleaning one by one, other filter element normal filtration work, but owing to lacked a filter element, institute all is affected for pressure and the flow of failing medium.
Summary of the invention
At above-mentioned situation; it is simple more compact to the invention provides a kind of structure; filtration and anti-cleaning performance are better; maintenance is convenient; and can need not shut down; the assurance pipeline is normal changes filter element for just keeping in repair under the defeated medium situation, and also can guarantee the filter that can clean automatically for defeated pressure medium and stability of flow when instead cleaning impurity.
Technical scheme of the present invention is:
A kind of filter, this filter are provided with suction line, filter element group, blowdown pipeline, outlet line, are provided with spare filtering cell in the filter element group; Have inlet and cut valve between each filter element of suction line and filter element group, suction line cuts valve with each filter element by inlet and is connected; Between each filter element of outlet line and filter element group, have outlet and cut a valve, be connected by an outlet section valve between outlet line and each filter element.
Described filter has magnetic valve on the valve body of spare filtering cell.
Described filter, the filter element of filter element group are provided with filter element housing, single-column back flush jet pipe, opening, non-return sheet, tangential spray orifice, disc post, and single-column back flush jet pipe and disc post are arranged in the filter element housing; At single-column back flush jet pipe outer cover sabot sheet post, on the tube wall of single-column back flush jet pipe, have opening, the opening place has the non-return sheet, has tangential spray orifice on the tube wall of single-column back flush jet pipe.
Described filter, the filter element housing is connected with valve body, and valve body has the unit media outlet, and the single-column back flush nozzle block is connected on the annulus mouth at valve body center, communicates with the unit media outlet of valve body.
Described filter is provided with the medium inlet, unit in a side of valve body, is provided with sewage draining exit at the opposite side of valve body; Be provided with the eddy flow passage in the valve body inboard, be provided with the barrier film valve port in eddy flow passage one side, barrier film valve port place is provided with inlet diaphragm, is provided with blowdown barrier film valve port at eddy flow passage opposite side, and blowdown barrier film valve port place is provided with the sewage draining exit diaphragm.
Described filter, the inboard film of inlet diaphragm is provided with spring base I in the chamber, has spring I on the spring base I; The inboard film of sewage draining exit diaphragm is provided with spring base II in the chamber, has spring II on the spring base II.
Described filter is provided with the clamping sleeve of spring assist in single-column back flush jet pipe upper end, the clamping sleeve spiral-lock on single-column back flush jet pipe top and seat be pressed on the disc post, the top of single-column back flush jet pipe has relief hole.
Described filter, two or more filter elements constitute the filter element group, and each filter element of filter element group connects suction line, blowdown pipeline, outlet line respectively.
Described filter has bypass at suction line and cuts valve, and bypass cuts valve and connects outlet line.
The invention has the beneficial effects as follows:
1, the spare filtering cell that has owing to the present invention, spare filtering cell is devoted oneself to work automatically during anti-the cleaning, has substituted the work of the filter element of anti-cleaning state, causes pressure and flow for defeated medium to remain unchanged; In addition, each filter element of the present invention has again that import cuts valve and outlet cuts a valve; In when maintenance, after spare filtering cell put into operation, the import and export of closing the filter element that will overhaul cut valve it are overhauled, and remained unchanged the filtration system normal and continuous operation for the pressure and the flow of defeated medium.
2, the present invention is provided with the single-column back flush jet pipe in the filter element housing, at single-column back flush jet pipe outer cover sabot sheet post, has opening on the tube wall of single-column back flush jet pipe, and the opening place has the non-return sheet, has tangential spray orifice on jet pipe wall.The medium of eddy flow wherein large granular impurity gets rid of on the filter element inner walls by its eddy flow centrifugal force, forms the first road rotational flow separation; Medium wherein impurity by the disc post time forms the interception of two subsurfaces and filters greater than the surface that is blocked in the disc post of disc groove; Enter the disc groove together less than the impurity of disc groove and the medium that is filtered, and collision cohesion mutually in groove, be blocked once more, form in-depth filtration.Thereby, realize that the impurity in the fluid medium carries out rotational flow separation, surface interception, in-depth filtration.
3, the design of single-column back flush jet pipe of the present invention makes suit filtration disc thereon according to being sleeved on the three pillar type reversal nozzle than in the past, and the axle center revolving force of disc when anti-the cleaning is stronger, eddy flow backwash better effects if.
4, the reversal valve of the filter element of filter of the present invention (being valve body) and filter element housing, filter element housing seat are the design of one, make structure simple more compact, and the operation safety and reliability is overhauled more convenient.
5, the valve body that is connected with the filter element housing of the present invention has the eddy flow passage, is provided with inlet diaphragm and sewage draining exit diaphragm in eddy flow passage both sides.When filtering, inlet diaphragm is opened, and the sewage draining exit diaphragm is closed.When backwash, the sewage draining exit diaphragm is opened, and inlet diaphragm is closed, and realizes backwash.The design of eddy flow passage of the present invention, form eddy flow when making medium enter filter element, cause that most of impurity eddy flow is centrifugal in the medium gets rid of to the filter element inner walls, away from the disc post, alleviated the filtration load of disc post greatly, prolong backwashing period to greatest extent, reduced the loss and the operating cost of backwash medium, the service life of also having improved filter greatly simultaneously.
6, the present invention has bypass and cuts valve between suction line and outlet line, when emergency, opens bypass and cuts valve, and medium can directly enter outlet line without filtering, and plays the effect of safeguard protection under the special process working environment.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure, the 1-filter inlet; 2-filter element group; The 3-suction line; The 4-spare filtering cell; The 5-blowdown pipeline; The 6-magnetic valve; The 7-coarse strainer; The 8-media outlet; The 9-outlet line; The 10-inlet cuts valve; The 11-bypass cuts valve; The 12-outlet cuts valve; The 21-valve body;
Fig. 2 is filter element structural representation among the present invention.
Among the figure, 13-single-column back flush jet pipe; 14-disc post; The 15-relief hole; 16-filter element housing; The 17-clamping sleeve; The 18-opening; 19-non-return sheet; The tangential spray orifice of 20-; The 21-valve body; 22-unit media outlet;
Fig. 3 is valve body profile among the present invention.
Among the figure, the 21-valve body; 23-sewage draining exit diaphragm; 24-eddy flow passage; Medium inlet, 25-unit; The 26-inlet diaphragm; The 27-sewage draining exit; 28-barrier film valve port; 29-spring base I; 30-spring I; 31-blowdown barrier film valve port; 32-spring base II; 33-spring II;
Fig. 4 is single-column back flush nozzle structure schematic diagram among the present invention.
Among the figure, the 18-opening; 19-non-return sheet; The tangential spray orifice of 20-;
Fig. 5 is single-column back flush nozzle section figure among the present invention.
Among the figure, the 18-opening; 19-non-return sheet; The tangential spray orifice of 20-.
The specific embodiment
Shown in Fig. 1-5, filtration device structure of the present invention is as follows:
This filter partly is made of suction line 3, filter element group 2, blowdown pipeline 5, outlet line 9 etc.Suction line 3 is communicated with the inlet of each filter element of filter element group 2, and outlet line 9 is connected with the outlet of each filter element of filter element group 2; In filter element group 2, be provided with spare filtering cell 4, on the valve body of spare filtering cell 4 bottoms, have the magnetic valve 6 that this valve body of control opens and closes; End at suction line 3 has filter inlet 1, has inlet and cut valve 10 between each filter element of suction line 3 and filter element group 2, and suction line 3 cuts valve 10 with each filter element by inlet and is connected; Have bypass in the bottom of suction line 3 and cut valve 11, bypass cuts valve 11 bottoms and connects outlet line 9.Each filter element of filter element group 2 is provided with sewage draining exit 27, sewage draining exit 27 is connected with blowdown pipeline 5, end at outlet line 9 is provided with media outlet 8 (medium generally can be water, wet goods), between outlet line 9 and each filter element, have outlet and cut a valve 12, be connected by an outlet section valve 12 between outlet line 9 and each filter element.Be provided with coarse strainer 7 in suction line 3, the material of coarse strainer 7 is a stainless steel etc., and its filter screen aperture is generally 5-30mm.
The present invention can constitute filter element group 2 by two or more filter elements, and each filter element of filter element group 2 connects suction line 3, blowdown pipeline 5, outlet line 9 respectively.
As shown in Figure 2, filter element of the present invention mainly comprises: single-column back flush jet pipe 13, disc post 14, relief hole 15, filter element housing 16, clamping sleeve 17, opening 18, non-return sheet 19, tangential spray orifice 20, valve body 21, unit media outlet 22; Be provided with filter element housing 16 on the top of filter element, the bottom has valve body 21, in filter element housing 16, be provided with single-column back flush jet pipe 13, disc post 14, opening 18, non-return sheet 19, tangential spray orifice 20, at single-column back flush jet pipe 13 outside suit ring-shaped discs posts 14, disc post 14 constitutes (on the horizontally disposed ring-shaped discs by ring-shaped discs is stacked, under stack and circularize disc post 14, on the ring surface of each disc, above or the following disc groove that all has from outside to inside, the degree of depth of groove is the filtering accuracy of filter, general filtering accuracy is 5um-1000um), on the tube wall of single-column back flush jet pipe 13, have opening 18, opening 18 places have non-return sheet 19, have tangential spray orifice 20 (Fig. 4-Fig. 5) on jet pipe wall.Be provided with the clamping sleeve 17 of spring assist in single-column back flush jet pipe 13 upper ends, clamping sleeve 17 spiral-locks on single-column back flush jet pipe 13 tops and the seat be pressed on the disc post 14, the top of single-column back flush jet pipe 13 has relief hole 15; Be provided with valve body 21 in filter element housing 16 bottoms, have unit media outlet 22 in the bottom of valve body 21, the lower seat of single-column back flush jet pipe 13 is connected on the annulus mouth at valve body center, communicates with the unit media outlet 22 of valve body.
As shown in Figure 3, valve body 21 of the present invention mainly comprises: sewage draining exit diaphragm 23, eddy flow passage 24, medium inlet, unit 25, inlet diaphragm 26, sewage draining exit 27, barrier film valve port 28, spring base I29, spring I30, blowdown barrier film valve port 31, spring base II32, spring II33; Side at valve body 21 is provided with medium inlet, unit 25, is provided with sewage draining exit 27 at the opposite side of valve body 21, and each filter element sewage draining exit 27 all is connected with blowdown pipeline 5.Be provided with eddy flow passage 24 in valve body 21 inboards, side at eddy flow passage 24 is provided with the barrier film valve port 28 that communicates with medium inlet, unit 25, barrier film valve port 28 places are provided with inlet diaphragm 26, inlet diaphragm is provided with spring base I29 in the 26 inboard film chambeies, has the spring I30 that holds inlet diaphragm 26 from the back side on the spring base I29.Be provided with the blowdown barrier film valve port 31 that communicates with sewage draining exit 27 at eddy flow passage 24 opposite sides, blowdown barrier film valve port 31 places are provided with sewage draining exit diaphragm 23, the sewage draining exit diaphragm is provided with spring base II32 in the 23 inboard film chambeies, has the spring II 33 that holds sewage draining exit diaphragm 23 from the back side on the spring base II32.
The present invention is furnished with electric control gear and controls fluid pressure line that hydraulic power source link to each other with each filter element inlet diaphragm film chamber with sewage draining exit diaphragm film chamber and other with hydraulic power source distributor and distributor, command each position to make corresponding action by control system, realize filter of the present invention, duties such as filtration, anti-cleaning, fault alarm.
The course of work of the present invention's filter capable of washing is as follows:
Barrier film valve port 28 on the filter element valve body 21 and blowdown barrier film valve port 31 are respectively pressurising or pressure release in its valve port place diaphragm (sewage draining exit diaphragm 23, inlet diaphragm 26) film chamber to be realized closing and opening of corresponding valve port by hydraulic power source distributor and fluid pressure line, and the pressure relief pipe of hydraulic power source distributor links to each other with blowdown pipeline 5.When being filtered medium under pipeline self pressure, flow into by filter inlet 1, after coarse strainer 7 coarse filtration, enter suction line 3, the medium inlet, unit 25, the barrier film valve port 28 that cut on valve 10 and the filter element valve body 21 through the inlet on the shunt pipeline enter valve body 21.Through barrier film valve port 28 time, inlet diaphragm 26 overcomes the inner spring power bounce-back of film chamber and opens barrier film valve port 28 under pressure action of medium, be filtered medium and enter valve body, forming eddy flow when by eddy flow passage 24 enters between the disc post 14 on filter element housing 16 and the single-column back flush jet pipe 13, with pressurising in the sewage draining exit diaphragm 23 film chambeies, block blowdown barrier film valve port 31 under the effect of pressure by sewage draining exit diaphragm 23 by fluid pressure line for the hydraulic power source distributor at this moment.The medium of eddy flow wherein large granular impurity gets rid of on filter element housing 16 inwalls by its eddy flow centrifugal force, forms the first road rotational flow separation; Be filtered medium when the disc post 14 that compresses by the clamping sleeve 17 that is provided with spring assist, wherein be blocked in the surface of disc post 14, form the interception of two subsurfaces and filter greater than the impurity of disc groove; Enter the disc groove together less than the impurity of disc groove and the medium that is filtered, and collision cohesion mutually in groove, be blocked once more, form in-depth filtration.The medium that is filtered enters in the disc post 14 after filtering by three kinds of forms, and under pressure the non-return sheet 19 at opening 18 places on the single-column back flush jet pipe 13 is pushed open, enter in the single-column back flush jet pipe 13, flow into outlet line 9 through unit media outlet 22 again, enter again in the defeated pipeline, finish filter process.Behind filter work certain hour, each filter element disc post 14 forms the impurity filter cake and blocks circulation behind surface and in-depth filtration, pressure differential occurs between suction line 3 and the outlet line 9.At this moment, electric control gear sends instruction, by hydraulic power source distributor and fluid pressure line, makes that each filter element is counter respectively one by one to clean blowdown.
Filter element is anti-when cleaning, under the commander of electric control gear and pressure source distributor, to pressurize in the filter element inlet diaphragm 26 film chambeies by fluid pressure line, inlet diaphragm 26 moves closes barrier film valve port 28, sewage draining exit diaphragm 23 film chamber pressure releases simultaneously, the pressure of the interior medium of filter element overcomes film chamber inner spring and tries hard to recommend out diaphragm, and blowdown barrier film valve port 31 is opened.At this moment, the medium after being filtered by other filter element in the outlet line 9 or the medium of other pressure source are oppositely through being flowed in its single-column back flush jet pipe chambeies by the unit media outlet 22 of anti-cleaning and filtering unit, because the effect of pressure medium, non-return sheet 19 is blocked opening 18, and medium can only spray to disc post 14 through tangential spray orifice 20.Because medium is tangential ejection,,, make that pressure sprays intraluminal pressure less than backwash between filter element housing 16 and the disc post 14 simultaneously because the unlatching of blowdown barrier film valve port 31 so form jetstream whirl.So, clamping sleeve 17 overcomes spring force and is upwards passed under the difference force effect of pressure between filter element housing 16 and the disc post 14 and backwash jet pipe cavity pressure, unclamp compacted disc post 14, loose disc is being enclosed within rotation at a high speed on the single-column back flush jet pipe 13 under the effect of jetstream whirl, the impurity on impurity filter cake of carrying secretly in the disc groove and disc post 14 surfaces rinses out together, and discharges along sewage draining exit simultaneously with the impurity on filter element housing 16 inwalls.Filter element is counter clean end after, electric control gear sends instruction, by hydraulic power source distributor and fluid pressure line, make it recover the filtration state automatically, make again simultaneously that each filter element is counter respectively one by one to clean blowdown, after the anti-cleaning of each filter element was all over, the filter complete machine entered the normal filtration state.
Filter element is anti-when cleaning, under the commander of electric control gear and pressure source distributor, to pressurize in the filter element inlet diaphragm 26 film chambeies by fluid pressure line, inlet diaphragm 26 moves closes barrier film valve port 28, sewage draining exit diaphragm 23 film chamber pressure releases simultaneously, the pressure of the interior medium of filter element overcomes film chamber inner spring and tries hard to recommend out diaphragm, and blowdown barrier film valve port 31 is opened.At this moment, because the present invention has spare filtering cell, electric control gear sends instruction during anti-the cleaning, magnetic valve 6 actions, by the hydraulic power source distributor it is devoted oneself to work automatically, substituted the work of the filter element of anti-cleaning state, cause pressure and flow to remain unchanged for defeated medium, the filter complete machine is counter clean end after, spare filtering cell quits work; In when maintenance, after spare filtering cell put into operation, the import and export of closing the filter element that will overhaul cut valve it is overhauled, and remained unchanged the filtration system normal and continuous operation for the pressure and the flow of defeated medium.
The present invention is simple in structure, and is reasonable in design, do not have pressure and flow loss when maintenance and anti-the cleaning, is a kind of desirable pipeline filter capable of washing.
Filter element structure in the filter of the present invention is except can being used for disk type (or stacked) pipeline automatic cleaning filter; Can also make the filter or a plurality of filter element filter that have only a filter element realize manual or semi-automatic anti-cleaning by valve commutation control.
Claims (8)
1, a kind of filter, this filter are provided with suction line (3), filter element group (2), blowdown pipeline (5), outlet line (9), it is characterized in that: be provided with spare filtering cell (4) in filter element group (2); Have inlet and cut valve (10) between each filter element of suction line (3) and filter element group (2), suction line (3) cuts valve (10) with each filter element by inlet and is connected; Between each filter element of outlet line (9) and filter element group (2), have outlet and cut a valve (12), be connected by exporting a section valve (12) between outlet line (9) and each filter element; The filter element of filter element group (2) is provided with filter element housing (16), single-column back flush jet pipe (13), opening (18), non-return sheet (19), tangential spray orifice (20), disc post (14), and single-column back flush jet pipe (13) and disc post (14) are arranged in the filter element housing (16); At single-column back flush jet pipe (13) outer cover sabot sheet post (14), on the tube wall of single-column back flush jet pipe (13), have opening (18), opening (18) locates to have non-return sheet (19), has tangential spray orifice (20) on the tube wall of single-column back flush jet pipe (13).
2, according to the described filter of claim 1, it is characterized in that: on the valve body of spare filtering cell (4), have magnetic valve (6).
3, according to the described filter of claim 1, it is characterized in that: filter element housing (16) is connected with valve body (21), valve body (21) has unit media outlet (22), single-column back flush jet pipe (13) seat is connected on the annulus mouth at valve body center, communicates with the unit media outlet (22) of valve body.
4, according to the described filter of claim 3, it is characterized in that: the side at valve body (21) is provided with medium inlet, unit (25), is provided with sewage draining exit (27) at the opposite side of valve body (21); Be provided with eddy flow passage (24) in valve body (21) inboard, be provided with barrier film valve port (28) in eddy flow passage (24) one sides, barrier film valve port (28) locates to be provided with inlet diaphragm (26), be provided with blowdown barrier film valve port (31) at eddy flow passage (24) opposite side, blowdown barrier film valve port (31) locates to be provided with sewage draining exit diaphragm (23).
5, according to the described filter of claim 4, it is characterized in that: the inboard film of inlet diaphragm (26) is provided with spring base I (29) in the chamber, has spring I (30) on the spring base I (29); The inboard film of sewage draining exit diaphragm (23) is provided with spring base II (32) in the chamber, has spring II (33) on the spring base II (32).
6, according to the described filter of claim 1, it is characterized in that: the clamping sleeve (17) that is provided with spring assist in single-column back flush jet pipe (13) upper end, clamping sleeve (17) spiral-lock on single-column back flush jet pipe (13) top and the seat be pressed on the disc post (14), the top of single-column back flush jet pipe (13) has relief hole (15).
7, according to the described filter of claim 1, it is characterized in that: two or more filter elements constitute filter element group (2), and each filter element of filter element group (2) connects suction line (3), blowdown pipeline (5), outlet line (9) respectively.
8, according to the described filter of claim 1, it is characterized in that: have bypass at suction line (3) and cut valve (11), bypass cuts valve (11) and connects outlet line (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810144808A CN100594963C (en) | 2007-07-27 | 2008-07-25 | Filter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710012310.5 | 2007-07-27 | ||
| CNA2007100123105A CN101125265A (en) | 2007-07-27 | 2007-07-27 | Disc type automatic cleaning filter for pipeline |
| CN200810144808A CN100594963C (en) | 2007-07-27 | 2008-07-25 | Filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101352628A CN101352628A (en) | 2009-01-28 |
| CN100594963C true CN100594963C (en) | 2010-03-24 |
Family
ID=39093449
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100123105A Pending CN101125265A (en) | 2007-07-27 | 2007-07-27 | Disc type automatic cleaning filter for pipeline |
| CN200810144808A Expired - Fee Related CN100594963C (en) | 2007-07-27 | 2008-07-25 | Filter |
| CN2008800028781A Expired - Fee Related CN101622045B (en) | 2007-07-27 | 2008-07-25 | Filter |
| CN2008101448077A Expired - Fee Related CN101352627B (en) | 2007-07-27 | 2008-07-25 | Filter |
| CNU2008201309667U Expired - Fee Related CN201244400Y (en) | 2007-07-27 | 2008-07-25 | Filter |
| CNU2008201309671U Expired - Lifetime CN201244401Y (en) | 2007-07-27 | 2008-07-25 | Filter |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100123105A Pending CN101125265A (en) | 2007-07-27 | 2007-07-27 | Disc type automatic cleaning filter for pipeline |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800028781A Expired - Fee Related CN101622045B (en) | 2007-07-27 | 2008-07-25 | Filter |
| CN2008101448077A Expired - Fee Related CN101352627B (en) | 2007-07-27 | 2008-07-25 | Filter |
| CNU2008201309667U Expired - Fee Related CN201244400Y (en) | 2007-07-27 | 2008-07-25 | Filter |
| CNU2008201309671U Expired - Lifetime CN201244401Y (en) | 2007-07-27 | 2008-07-25 | Filter |
Country Status (2)
| Country | Link |
|---|---|
| CN (6) | CN101125265A (en) |
| WO (1) | WO2009015590A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101125265A (en) * | 2007-07-27 | 2008-02-20 | 王克涛 | Disc type automatic cleaning filter for pipeline |
| CN101940852B (en) * | 2009-07-08 | 2012-09-05 | 王克涛 | Backwashing filter |
| WO2013020334A1 (en) * | 2011-08-10 | 2013-02-14 | Wang Ketao | Backwashing filter with filtering unit outside body |
| CN107899284A (en) * | 2017-12-13 | 2018-04-13 | 北京天地玛珂电液控制系统有限公司 | Spray boom and the cartridge filter for including it |
| CN108031157A (en) * | 2017-12-13 | 2018-05-15 | 北京天地玛珂电液控制系统有限公司 | Filter and the backwash filter station for including it |
| CN108079639B (en) * | 2017-12-15 | 2023-07-28 | 张家港圣美意机械有限公司 | Self-cleaning fuel filter with standby filter |
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- 2008-07-25 CN CN2008800028781A patent/CN101622045B/en not_active Expired - Fee Related
- 2008-07-25 WO PCT/CN2008/071756 patent/WO2009015590A1/en active Application Filing
- 2008-07-25 CN CN2008101448077A patent/CN101352627B/en not_active Expired - Fee Related
- 2008-07-25 CN CNU2008201309667U patent/CN201244400Y/en not_active Expired - Fee Related
- 2008-07-25 CN CNU2008201309671U patent/CN201244401Y/en not_active Expired - Lifetime
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Also Published As
| Publication number | Publication date |
|---|---|
| CN201244401Y (en) | 2009-05-27 |
| CN101352627B (en) | 2012-01-25 |
| CN101622045A (en) | 2010-01-06 |
| CN101352627A (en) | 2009-01-28 |
| CN201244400Y (en) | 2009-05-27 |
| CN101352628A (en) | 2009-01-28 |
| WO2009015590A1 (en) | 2009-02-05 |
| CN101125265A (en) | 2008-02-20 |
| CN101622045B (en) | 2011-03-02 |
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