CN203852882U - Integrated gas-water backwash filter head - Google Patents
Integrated gas-water backwash filter head Download PDFInfo
- Publication number
- CN203852882U CN203852882U CN201420202994.0U CN201420202994U CN203852882U CN 203852882 U CN203852882 U CN 203852882U CN 201420202994 U CN201420202994 U CN 201420202994U CN 203852882 U CN203852882 U CN 203852882U
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- CN
- China
- Prior art keywords
- filter
- supporting seat
- gas
- bar
- cap
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000011010 flushing procedure Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 abstract description 7
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses an integrated gas-water backwash filter head comprising a filter seat arranged on the lower end surface of a filter plate, a filter cap arranged on the upper end surface of the filter plate, and a filter rod communicated with the filter cap, wherein the filter cap comprises a supporting seat arranged on the upper end surface of the filter plate, and strip-shaped filter discs distributed on the supporting seat, and a water filter gap is formed between adjacent two strip-shaped filter discs; a vent hole for enabling gas to impact the filter plate is formed in the supporting seat, and the supporting seat, the strip-shaped filter discs and the filter rod are of an integrally formed structure. Since the vent hole is formed in the supporting seat, during backwash, the gas impacts the top of the filter cap and reversely impacts backwards to flow by the filter plate through the vent hole to well brush the gap between the filter plate and the supporting seat, so as to avoid a cleaning dead angle; due to the technological requirements of the integral structure, the thicknesses and the widths of the strip-shaped filter discs are increased to avoid the breakage phenomenon after long-term use, so that the service life is prolonged.
Description
Technical field
The utility model belongs to water-treatment technology field, especially relates to a kind of integral type filter of filtering ponds water distribution gas distribution system.
Background technology
In order to make filtering ponds there is the purification function of high-efficient and lasting, backwash be smoothly, effectively to make filter recover the most key link of filterability.The process of backwash is from the water inlet of filter plate bottom, impacts the filter material layer on filter plate; The rectangular finedraw that evenly has meticulous processing in the filter cap cambered surface of counter washing filter head, can prevent spilling of filtrate, can guarantee again distribution and even water distribution; Filter masthead end has an aperture, be provided with air inlet bar seam near bottom, compressed air enters behind the space below filter plate, form lentamente air layer, and thickening gradually, water below air layer constantly declines, until the water surface is while being down to the rectangular air inlet bar seam place of filter bar bottom, at this moment air starts to flow into filter bar by bar seam hole.In the time that the air mass flow flowing to equates with the flow flowing away through filter cap slit flow, the water surface just stops declining, be stabilized on certain position, the eject slot that the air entering rises by filter cap through filter bar is in filter material layer, because the crosswise jet of multiple filters is uniformly distributed, reach good backwash effect.
In backwash process, the rectangular finedraw of gas filter cap outwards impacts, and only filter cap side and top cleaned, and has clean dead angle between filter cap bottom and filter, affects filtering water; And after gas impacts mutually, major part moves upward, cannot ensure the comprehensively clean of filtrate; Moreover, because gas outwards impacts from the side, after long-time use, there will be the aging phenomenon of rupture of filter cap sidewall, then cause filtrate to enter in filter bar.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of backwash the clean integral type gas/water reversely-flushing filter head that cleans comprehensive and long service life without dead angle, filtrate.
To achieve these goals, the utility model is by the following technical solutions: a kind of integral type gas/water reversely-flushing filter head, comprise and be located at the filter block of filter plate lower surface, the filter bar of being located at the filter cap of filter plate upper surface and being connected with filter cap, described filter cap comprises to be located at the supporting seat of filter plate upper surface and to be distributed in the bar shaped filter disc on supporting seat, is formed with drainage gap between adjacent bar filter disc; Supporting seat is provided with to be convenient to gas and to impact the passage of filter plate, supporting seat, bar shaped filter disc and the filter bar structure that is formed in one.By passage is set on supporting seat, when backwash, the backward lower recoil in air impingement filter cap top, flows to filter by passage, and the gap between filter and supporting seat is well washed away, and avoids clean dead angle to produce; After gas has impacted filter plate, bounce-back, to moving upward, is comprehensively cleaned filtrate; Adopt integrated formed structure, reduced at least two procedures, saved process time, reduced energy consumption, improved production output; The technological requirement of integrative-structure all increases the thickness of bar shaped filter disc and width, and long-term use also there will not be phenomenon of rupture, has extended service life.
Further, described filter cap also comprises the guiding rib being located on bar shaped filter disc, and this guiding rib inwall has the gradient of guiding gas to passage motion.The setting of guiding rib, not only plays the effect of reinforcement, further increases the service life; Gas during also to backwash stops and gas is guided downwards, makes the most of passage that passes through of gas, then filter is thoroughly washed away, and the top motion laterally of last gas, impacts uniformly to filtrate, to reach clean effect comprehensively.
As preferably, the cross section of described bar shaped filter disc is sector structure, the outside of bar shaped filter disc is comparatively roomy, narrow gradually from outside to inside, so the drainage gap between adjacent bar filter disc is the structure being broadened by narrow on the contrary, not only can avoid filtrate to enter in filter cap, ensure that again filter area is enough large; And when backwash, gas narrows gradually from a wider region, the final impact power of moment of outwards impacting is more sufficient, can more fully clean filtrate, has improved water purification quality.
Further again, described passage is strip structure, and radially distributes along mind-set surrounding in supporting seat.Radially distribute, not only increased the quantity of passage, and be more conducive to gas and impact laterally, improve the utilization rate of gas.
Or described drainage gap extends downward supporting seat to form described passage, not only easy to process, realize passage has been set to greatest extent, increase backwash dynamics; The thickness that ensures again hole wall between adjacent passage, increases the service life simultaneously.
Described filter block is sheathed on outside filter bar, and filter bar is provided with the thread segment matching with filter block.
Further, the bottom of described filter bar is provided with bar shaped gas booking groove and air admission hole.
In sum, the utlity model has following advantage: this filter adopts integral structure, easy to process, reduces energy consumption, bulk strength improves, and extended service life; Improve cleaning efficiency, can carry out cleaning down to dead angle, be conducive to the phase mutual friction between filtrate, improved Integral cleaning effect.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A cross section view of Fig. 1.
Fig. 3 is another A-A cross section view of Fig. 1.
Fig. 4 is the B-B cross section view of Fig. 1.
Fig. 5 is the upward view of the utility model supporting seat.
Detailed description of the invention
In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out to clear, complete description.
As Figure 1-4, integral type gas/water reversely-flushing filter head, comprises and is located at filter block 1, the filter cap 2 of filter plate 11 lower surfaces and the filter bar 3 being connected with filter cap; Described filter block 1 is sheathed on outside filter bar 3, and filter bar 3 is provided with the thread segment 32 matching with filter block, and the bottom of filter bar 3 is provided with bar shaped gas booking groove 33 and air admission hole 34; Concrete, described filter cap comprises to be located at the supporting seat 28 of filter plate 11 upper surfaces and to be distributed in the bar shaped filter disc 29 on supporting seat, is formed with drainage gap 21 between adjacent bar filter disc; Supporting seat 28 is provided with to be convenient to gas and to impact the passage 281 of filter plate 11, described supporting seat, bar shaped filter disc and the filter bar structure that is formed in one.Filter plate 11 is provided with the through hole passing for filter bar, and when installation, filter bar, through after this through hole, is realized screw thread by its thread segment 32 with filter block 1 and fixed, and filter bar and filter cap are fixed on filter plate firmly; When backwash starts, gas upwards flows along filter bar, and a part is impacted to the drainage gap of filter cap sidewall, and filtrate is rinsed to friction; Another part gas moves downward after impacting to filter cap top, impacts through the backward filter of passage, and filter upper surface is carried out to cleaning down; Gas after impact filtration plate upwards rebounds, and top is impacted laterally then, and filtrate is comprehensively rinsed; For the filter space and the impact strength that ensure that having of filter cap is certain, and due to the technological requirement of integrated formed structure, thickness and the width of each sheet bar shaped filter disc are all increased, and sewage enters into inner time lengthening from filter cap outside, and bar shaped filter disc strengthens the filter effect of impurity; Moreover thickness increases, it is large that intensity becomes, and it is large that impact resistance becomes, and extended service life; And the filter of integrated formed structure, parts reduce, and process more conveniently, have saved labour, have reduced energy consumption, have improved production efficiency.
Concrete, as shown in Figure 2, in order to improve cleaning efficiency, on the bar shaped filter disc of filter cap, be arranged with a circle guiding rib 27, concrete, this guiding rib runs through most of cross section of bar shaped filter disc, extends to inner side from the outside of bar shaped filter disc always, guiding rib 27 the intensity that has improved bar shaped filter disc is set, play the effect of reinforcement; Moreover, in backwash process, gas rushes at filter cap from filter bar bottom, and guiding rib 27 has almost run through bar shaped filter disc, so being carried out to one, gas stops, gas is through after the stopping of guiding rib lower surface, change the direction of motion, start to do exercises downwards and laterally, a part of gas rushes in filtrate through drainage gap, and sidewall and filtrate to bar shaped filter disc well rinse; Some gas enters the space supporting seat 28 and filter plate 11 after passage 281, this dead angle is impacted comprehensively and is cleaned, then pass through the reflex of filter plate 11, again changes direction and moves laterally, and filtrate is rinsed.The setting of guiding rib, the utilization rate of gas while greatly having improved backwash, gas impacts filtrate from multi-direction, is conducive to the phase mutual friction between filtrate and filtrate, has improved cleaning performance; And in prior art, gas is unidirectional motion, move vertically upward and impact filter cap top, cause coordinating between loosening whole filter and filter plate, we are reflexed to most of gas to move downward by the effect of guiding rib, even if portion gas has still rushed at filter top, but after moving downward, major part again to filtering first downward impulsive force, to have offset gas impulsive force upwards, ensures that long-term use also there will not be the loosening phenomenon between filter and filter plate.
Further, for more gas is guided downwards, so that improve the utilization rate to gas, this guiding rib 27 can arrange certain gradient, as shown in Figure 3, by downward-sloping guiding rib setting, make the very strong shearing force that has of gas, increase the frictional force between filtrate, again improved developing result.
Concrete, the cross section of described bar shaped filter disc 29 is sector structure, and as shown in Figure 4, the outside of bar shaped filter disc is large, inner side is little, so effectively avoid filtrate to enter into filter inside from outside, and inner side diminishes gradually, has not only ensured certain filter space, and the setting of changing from small to big, a larger explosive force and impulsive force are provided when gas moves laterally while returning backwash, to strengthen the frictional force between filtrate and filtrate, have improved developing result.
As shown in Figure 5, described passage 281 is strip structure, and radially distributes along mind-set surrounding in supporting seat 28, has ensured the area of maximum using supporting seat, maximizes the quantity that passage is set, and makes the flushing at dead angle more thorough; Further, we extend downward supporting seat 28 to form described passage 281 by described drainage gap 21, and the shape of described passage 281 is consistent with the structure in drainage gap, make processing more convenient, also maximum using the area of supporting seat, maximize the quantity of passage be set.
Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the utility model protection.
Claims (7)
1. an integral type gas/water reversely-flushing filter head, comprise be located at filter plate (11) lower surface filter block (1), be located at the filter cap (2) of filter plate upper surface and the filter bar (3) being connected with filter cap; It is characterized in that: described filter cap comprises to be located at the supporting seat (28) of filter plate upper surface and to be distributed in the bar shaped filter disc (29) on supporting seat, is formed with drainage gap (21) between adjacent bar filter disc; Supporting seat (28) is provided with to be convenient to gas and to impact the passage (281) of filter plate, supporting seat, bar shaped filter disc and the filter bar structure that is formed in one.
2. integral type gas/water reversely-flushing filter head according to claim 1, is characterized in that: described filter cap also comprises the guiding rib (27) being located on bar shaped filter disc, and this guiding rib (27) inwall has the gradient of guiding gas to passage (281) motion.
3. integral type gas/water reversely-flushing filter head according to claim 1, is characterized in that: the cross section of described bar shaped filter disc (29) is sector structure.
4. integral type gas/water reversely-flushing filter head according to claim 1, is characterized in that: described passage (281) is strip structure, and radially distributes along mind-set surrounding in supporting seat (28).
5. integral type gas/water reversely-flushing filter head according to claim 3, is characterized in that: described drainage gap (21) extends downward supporting seat (28) to form described passage (281).
6. integral type gas/water reversely-flushing filter head according to claim 1, is characterized in that: described filter block (1) is sheathed on outside filter bar (3), and filter bar (3) is provided with the thread segment (32) matching with filter block.
7. integral type gas/water reversely-flushing filter head according to claim 1, is characterized in that: the bottom of described filter bar (3) is provided with bar shaped gas booking groove (33) and air admission hole (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202994.0U CN203852882U (en) | 2014-04-24 | 2014-04-24 | Integrated gas-water backwash filter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202994.0U CN203852882U (en) | 2014-04-24 | 2014-04-24 | Integrated gas-water backwash filter head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203852882U true CN203852882U (en) | 2014-10-01 |
Family
ID=51602763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420202994.0U Expired - Lifetime CN203852882U (en) | 2014-04-24 | 2014-04-24 | Integrated gas-water backwash filter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203852882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933760A (en) * | 2014-04-24 | 2014-07-23 | 池万青 | Integrated air-water backwashing filter head |
| CN108854180A (en) * | 2018-08-29 | 2018-11-23 | 中国农业科学院农田灌溉研究所 | A kind of slight irrigation sand filter rotation filter cap |
-
2014
- 2014-04-24 CN CN201420202994.0U patent/CN203852882U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933760A (en) * | 2014-04-24 | 2014-07-23 | 池万青 | Integrated air-water backwashing filter head |
| CN103933760B (en) * | 2014-04-24 | 2016-07-06 | 浙江联池水务设备有限公司 | Integral type gas/water reversely-flushing filter head |
| CN108854180A (en) * | 2018-08-29 | 2018-11-23 | 中国农业科学院农田灌溉研究所 | A kind of slight irrigation sand filter rotation filter cap |
| CN108854180B (en) * | 2018-08-29 | 2024-01-30 | 中国农业科学院农田灌溉研究所 | Rotary filter cap of sand filter for micro-irrigation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG LIANCHI WATER EQUIPMENT CO., LTD. Free format text: FORMER OWNER: CHI WANQING Effective date: 20141215 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317605 TAIZHOU, ZHEJIANG PROVINCE TO: 310000 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141215 Address after: Yuhang District, Hangzhou City, Zhejiang Province, 310000 West No. 1500 Building 2 room 413 Patentee after: Zhejiang Lianchi Water Equipment Co., Ltd. Address before: Taizhou City, Zhejiang province 317605 Ring Road No. 20-3 Truman town of Yuhuan County Patentee before: Chi Wanqing |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141001 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |