CN110743221A - Front filter with high-pressure rotary backwashing and positive flushing functions - Google Patents
Front filter with high-pressure rotary backwashing and positive flushing functions Download PDFInfo
- Publication number
- CN110743221A CN110743221A CN201810817366.6A CN201810817366A CN110743221A CN 110743221 A CN110743221 A CN 110743221A CN 201810817366 A CN201810817366 A CN 201810817366A CN 110743221 A CN110743221 A CN 110743221A
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- Prior art keywords
- backwashing
- filter
- filter screen
- positive
- main part
- 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.)
- Pending
Links
- 238000011001 backwashing Methods 0.000 title claims abstract description 45
- 238000011010 flushing procedure Methods 0.000 title claims description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 238000005406 washing Methods 0.000 claims abstract description 20
- 238000011045 prefiltration Methods 0.000 claims abstract description 17
- 241000195493 Cryptophyta Species 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 3
- 241000755266 Kathetostoma giganteum Species 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
-
- 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
-
- 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
-
- 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
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
Abstract
The invention discloses a pre-filter with a high-pressure rotary backwashing and forward washing function, which comprises a filter inner core main part, a backwashing conversion support, an upper cover and a lower cover, wherein an internal ejector is arranged at the inner side of the filter inner core main part, the filter inner core main part comprises an upper filter screen, a lower filter screen and a frame, the backwashing conversion support is in contact connection with a fixed support, and the bottom end of the backwashing conversion support is provided with a connecting seat; this leading filter with positive washing function is taken in conjunction to rotatory back flush of high pressure, equipment is at the during operation, can wash the dirt impurity of adhering to in the filter screen outside by outer in following, it all is used for filtering with lower filter screen to go up the filter screen, anti algae protection casing can block the visible light, prevent that the alga from condensing the growth on the inner wall of equipment, this device adopts positive and negative economic benefits and social benefits to wash, combine the advantage of positive and negative washing, make the filth on the filter screen effectively washed down and wash through positive flush, just positive and negative washing can be accomplished through adjusting back flush conversion support, realize washing effect optimization.
Description
Technical Field
The invention relates to the technical field of water treatment equipment, in particular to a prefilter with a high-pressure rotary backwashing and positive flushing function.
Background
The pre-filter is the first coarse filter for the whole water, and can filter the large particles such as silt and rust in the tap water. The pre-filter is generally arranged at the front end of the pipeline, so the pre-filter is named by a front-in character; the term "filtration" refers to the basic principle of such devices, and the current commercial products are mainly positive flushing prefilters and direct backwashing prefilters. The positive flushing is generally realized by opening a drain valve at the bottom in a manual and self-determined mode and discharging the intercepted particulate pollutants through a lower drainage outlet. The pre-filter with back-flushing function in the market enables water flow to reversely flush the filter screen of the filter by changing the position and the channel of the valve, so that dirt is flushed down and discharged from the lower water discharging opening.
The front filter with the positive washing function can only effectively wash impurity particles which are deposited at the bottom or are easy to loosen when the front filter is positively washed, the structure of the front filter with the back washing function on the market is complex due to structural reasons, the cost is high, the washing effect on colloid, algae and other dirt adhered to the outer surface of the filter screen is not ideal, the washing efficiency of the inner filter screen is not ideal and unstable in the existing product technology, the water quality condition is complex, and after a user is forced to use the front filter for a certain time, the normal water flow is influenced due to the fact that the dirt which cannot be washed by the positive washing or the back washing on the surface of the filter screen is accumulated, the filter screen needs to be disassembled and washed, and the original water passing efficiency and the filtering efficiency of the front filter which cannot be washed by the positive washing or the back washing are recovered by manual washing.
Disclosure of Invention
The invention aims to provide a prefilter with a high-pressure rotary backwashing and forward flushing function, which has the advantages of adding an anti-algae protective cover to prevent algae from growing, realizing forward and reverse bidirectional flushing, having a good flushing effect and being convenient to operate, and can solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a pre-filter with a high-pressure rotary back-washing combined forward-washing function comprises a filter inner core main part, a back-washing conversion support, an upper cover and a lower cover, wherein an internal jet device is arranged on the inner side of the filter inner core main part, the filter inner core main part comprises an upper filter screen, a lower filter screen and a frame, the upper filter screen and the lower filter screen are both connected with the frame, a back-washing conversion support and a fixed support are arranged on the outer side of the frame, the back-washing conversion support is positioned below the fixed support, the back-washing conversion support is in contact connection with the fixed support, a connecting seat is arranged at the bottom end of the back-washing conversion support, a transmission crankshaft is arranged at the side edge of the connecting seat, a flat-head knob is arranged at one end of the transmission crankshaft, the flat-head knob is also movably connected with the lower cover, the upper cover is fixedly connected, the water inlet and outlet connector is connected with a copper connector through a nut, the bottom end of the new connecting body is movably connected with a new connecting nut, the bottom end of the new connecting nut is in contact connection with the fixed support, the outer wall of the fixed support is movably connected with a new body, the bottom end of the new body is movably connected with the connecting seat through a thread, and the top end of the new body is movably connected with the upper cover through a thread.
Preferably, the outer wall of the back washing conversion bracket is also in contact connection with the new body.
Preferably, the bottom end of the lower cover is movably connected with a sewage draining joint through threads.
Preferably, the side wall of the lower cover is provided with a perspective mirror.
Preferably, an algae-resistant protective cover is arranged on the inner wall of the filter core main part.
Preferably, the internal ejector comprises an outer frame, a main frame and ring pieces, the main frame and the ring pieces are fixedly connected with the bottom edge of the outer frame, the main frame is located in the center of the outer frame, the ring pieces are uniformly distributed on the outer side of the main frame, and the ring pieces are in a certain bent shape.
Preferably, the central lines of the filter core main part, the backwashing conversion bracket and the internal jet device are kept coincident.
Compared with the prior art, the invention has the following beneficial effects:
1. the pre-filter with the high-pressure rotary backwashing and forward washing functions is characterized in that an internal ejector is installed on the inner side of a filter inner core main part, the central lines of the filter inner core main part, a backwashing conversion support and the internal ejector are kept coincident, a ring sheet in the internal ejector is in a certain bent shape, a narrow channel is formed between the ring sheet and an outer frame, when equipment works, the internal ejector can be rotated by utilizing the water flow power of the equipment, a high-pressure injection water column is formed through the narrow channel on the side body of the internal ejector, and dirt and impurities attached to the outside of a filter screen are washed away from the inside of the equipment from the outside;
2. this leading filter with positive washing function of high-pressure rotatory back flush antithetical couplet area, go up filter screen and lower filter screen all are used for filtering, anti algae protection casing can block visible light, prevent that the algae from condensing the growth on the inner wall of equipment, guarantee filter core life-span and filter core state, this device adopts positive and negative economic benefits and social washes, combine the advantage of positive and negative washing, make the filth on the filter screen effectively washed down and wash away through positive flush, discharge from the waste water mouth, just can accomplish positive and negative washing through adjusting back flush conversion support, high durability and convenient use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a filter core master of the present invention;
fig. 3 is a schematic top view of the internal ejector of the present invention.
In the figure: 1. a filter core main part; 101. a filter screen is arranged; 102. a lower filter screen; 103. a frame; 104. an anti-algae shield; 2. back flushing the conversion bracket; 3. an upper cover; 4. a lower cover; 5. an internal ejector; 501. an outer frame; 502. a main frame; 503. a ring sheet; 6. fixing a bracket; 7. a connecting seat; 8. a drive crankshaft; 9. a flat knob; 10. newly connecting the body; 11. a water inlet and outlet joint; 12. a copper joint; 13. newly connecting a nut; 14. a new ontology; 15. a pollution discharge joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a pre-filter with high-pressure rotary backwash coupling forward washing function comprises a filter core main part 1, a backwash conversion bracket 2, an upper cover 3 and a lower cover 4, wherein an internal ejector 5 is installed on the inner side of the filter core main part 1, the centerlines of the filter core main part 1, the backwash conversion bracket 2 and the internal ejector 5 are kept coincident, so as to ensure the use stability, the internal ejector 5 comprises an outer frame 501, a main frame 502 and a ring plate 503, the main frame 502 and the ring plate 503 are fixedly connected with the bottom edge of the outer frame 501, the main frame 502 is positioned at the center of the outer frame 501, the ring plate 503 is uniformly distributed on the outer side of the main frame 502, the ring plate 503 is in a certain bent shape, a narrow channel is formed between the ring plate 503 and the outer frame 501, when the device works, the internal ejector 5 is rotated by the power of the water flow of the device, and a high-pressure water jet is formed by the narrow channel on the side of, dirt and impurities attached to the outside of the filter screen are washed from the inside to the outside, the filter core main part 1 comprises an upper filter screen 101, a lower filter screen 102 and a frame 103, the upper filter screen 101 and the lower filter screen 102 are used for filtering, an algae-resistant protective cover 104 is arranged on the inner wall of the filter core main part 1, the algae-resistant protective cover 104 can block visible light and prevent algae from condensing and growing on the inner wall of the equipment and influencing the service life of the filter core and the state of the filter core, the upper filter screen 101 and the lower filter screen 102 are both connected with the frame 103, a backwashing conversion bracket 2 and a fixed bracket 6 are arranged on the outer side of the frame 103, the backwashing conversion bracket 2 is positioned below the fixed bracket 6, the backwashing conversion bracket 2 is in contact connection with the fixed bracket 6, a connecting seat 7 is arranged at the bottom end of the backwashing conversion bracket 2, a transmission crankshaft 8 is arranged on the side edge of the connecting seat 7, a flat-, the perspective mirror has been seted up on the lateral wall of lower cover 4, inside the person of facilitating the use observation equipment, there is blowdown connector 15 bottom of lower cover 4 through screw thread swing joint, blowdown connector 15 is as the drain of whole equipment, upper cover 3 is connected to the top fixed connection of lower cover 4, the inboard of upper cover 3 is equipped with new connecting body 10, the both ends of new connecting body 10 are connected with business turn over water swivel 11, business turn over water swivel 11 is connected with copper joint 12 through the nut, the bottom swing joint of new connecting body 10 has new coupling nut 13, the bottom contact of new coupling nut 13 connects fixed bolster 6, the outer wall swing joint of fixed bolster 6 has new body 14, the outer wall of back flush conversion support 2 also is connected with new body 14 contact, the bottom of new body 14 is through screw thread and connecting seat 7 swing joint, the top of new body 14 is through screw thread swing joint upper cover 3.
The pre-filter with the high-pressure rotary backwashing and forward flushing functions comprises a filter inner core main part 1 and a backwashing conversion support 2, wherein an internal ejector 5 is arranged on the inner side of the filter inner core main part 1, the center lines of the filter inner core main part 1, the backwashing conversion support 2 and the internal ejector 5 are kept coincident, a ring plate 503 in the internal ejector 5 is in a certain bent shape, a narrow channel is formed between the ring plate 503 and an outer frame 501, when the device works, the internal ejector 5 can be rotated by utilizing the water flow power of the device, a high-pressure injection water column is formed through the narrow channel on the side body of the internal ejector 5, dirt and impurities attached to the outside of a filter screen are washed away from the inside by the outside, the filter inner core main part 1 comprises an upper filter screen 101, a lower filter screen 102 and a frame 103, the upper filter screen 101 and the lower filter screen 102 are both used for filtering, and an anti-algae protective cover 104 is arranged on the inner, the anti-algae protective cover 104 can block visible light, prevent algae from condensing and growing on the inner wall of the equipment, influence the service life of a filter element and the state of the filter element, the backwashing water of the whole equipment can be filtered in advance through the upper filter screen 101, prevent impurities in tap water from polluting the inner filter screen during backwashing, the backwashing in the prior art is used for washing the surface of the filter screen, dirt impurities which are easy to wash away are quickly taken away, the backwashing is reverse flushing, dirt which is bonded and clamped on the filter screen and is difficult to wash down is loosened and separated from the filter screen, but the device adopts positive and negative double-effect washing, combines the advantages of the positive and negative flushing, the dirt on the filter screen is effectively washed down and washed away through the positive flushing, the dirt is discharged from a waste water port, the positive and negative flushing can be completed by adjusting.
In summary, the following steps: the device adopts positive and negative flushing, combines the advantages of the positive and negative flushing, enables the dirt on the filter screen to be effectively cleaned and flushed through the positive flushing and the back flushing, is discharged from a waste water port, and can finish the positive and negative flushing by adjusting the conversion bracket 2, realizes the optimal flushing effect and is convenient to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a leading filter with positive washing function is taken in rotatory back flush antithetical couplet of high pressure, includes filter inner core main part (1), back flush conversion support (2), upper cover (3) and lower cover (4), its characterized in that: an internal ejector (5) is installed on the inner side of the filter inner core main part (1), the filter inner core main part (1) comprises an upper filter screen (101), a lower filter screen (102) and a frame (103), the upper filter screen (101) and the lower filter screen (102) are both connected with the frame (103), a backwashing conversion support (2) and a fixed support (6) are installed on the outer side of the frame (103), the backwashing conversion support (2) is located below the fixed support (6), the backwashing conversion support (2) is in contact connection with the fixed support (6), a connecting seat (7) is installed at the bottom end of the backwashing conversion support (2), a transmission crankshaft (8) is installed at the side edge of the connecting seat (7), a flat head knob (9) is installed at one end of the transmission crankshaft (8), the flat head knob (9) is also movably connected with the lower cover (4), and the top end of the lower cover (4) is fixedly connected, the inboard of upper cover (3) is equipped with new connection body (10), the both ends of new connection body (10) are connected with business turn over water swivel (11), business turn over water swivel (11) are connected with copper joint (12) through the nut, the bottom swing joint of new connection body (10) has new coupling nut (13), fixed bolster (6) are connected in the bottom contact of new coupling nut (13), the outer wall swing joint of fixed bolster (6) has new body (14), the bottom of new body (14) is through screw thread and connecting seat (7) swing joint, the top of new body (14) is through screw thread swing joint upper cover (3).
2. The prefilter with high-pressure rotary backwashing and positive flushing functions according to claim 1, wherein: the outer wall of the back washing conversion bracket (2) is also in contact connection with the new body (14).
3. The prefilter with high-pressure rotary backwashing and positive flushing functions according to claim 1, wherein: the bottom end of the lower cover (4) is movably connected with a sewage draining joint (15) through threads.
4. The prefilter with high-pressure rotary backwashing and positive flushing functions according to claim 1, wherein: the side wall of the lower cover (4) is provided with a perspective mirror.
5. The prefilter with high-pressure rotary backwashing and positive flushing functions according to claim 1, wherein: an algae-resistant protective cover (104) is arranged on the inner wall of the filter inner core main part (1).
6. The prefilter with high-pressure rotary backwashing and positive flushing functions according to claim 1, wherein: the internal ejector (5) comprises an outer frame (501), a main frame (502) and ring pieces (503), wherein the main frame (502) and the ring pieces (503) are fixedly connected with the bottom edge of the outer frame (501), the main frame (502) is located in the center of the outer frame (501), the ring pieces (503) are uniformly distributed on the outer side of the main frame (502), and the ring pieces (503) are in a certain bent shape.
7. The prefilter with high-pressure rotary backwashing and positive flushing functions according to claim 1, wherein: the central lines of the filter inner core main part (1), the backwashing conversion bracket (2) and the internal jet device (5) are kept coincident.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817366.6A CN110743221A (en) | 2018-07-24 | 2018-07-24 | Front filter with high-pressure rotary backwashing and positive flushing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817366.6A CN110743221A (en) | 2018-07-24 | 2018-07-24 | Front filter with high-pressure rotary backwashing and positive flushing functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110743221A true CN110743221A (en) | 2020-02-04 |
Family
ID=69275339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810817366.6A Pending CN110743221A (en) | 2018-07-24 | 2018-07-24 | Front filter with high-pressure rotary backwashing and positive flushing functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110743221A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0723797B1 (en) * | 1994-12-24 | 1996-12-11 | Honeywell Ag | Back flushable filter device |
| CN202724820U (en) * | 2012-07-12 | 2013-02-13 | 厦门建霖工业有限公司 | Back flushing switching device for prefilter |
| CN202893059U (en) * | 2012-07-12 | 2013-04-24 | 厦门建霖工业有限公司 | Back washing structure of prefilter |
| CN207270825U (en) * | 2017-09-01 | 2018-04-27 | 杭州上益优水电器科技有限公司 | A kind of fore filter that synchronously can just backwashing |
-
2018
- 2018-07-24 CN CN201810817366.6A patent/CN110743221A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0723797B1 (en) * | 1994-12-24 | 1996-12-11 | Honeywell Ag | Back flushable filter device |
| CN202724820U (en) * | 2012-07-12 | 2013-02-13 | 厦门建霖工业有限公司 | Back flushing switching device for prefilter |
| CN202893059U (en) * | 2012-07-12 | 2013-04-24 | 厦门建霖工业有限公司 | Back washing structure of prefilter |
| CN207270825U (en) * | 2017-09-01 | 2018-04-27 | 杭州上益优水电器科技有限公司 | A kind of fore filter that synchronously can just backwashing |
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Application publication date: 20200204 |