CN206996013U - A kind of elastic sewage suction device for backwash filter - Google Patents
A kind of elastic sewage suction device for backwash filter Download PDFInfo
- Publication number
- CN206996013U CN206996013U CN201720812162.4U CN201720812162U CN206996013U CN 206996013 U CN206996013 U CN 206996013U CN 201720812162 U CN201720812162 U CN 201720812162U CN 206996013 U CN206996013 U CN 206996013U
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- soil pick
- sewage
- branch pipe
- absorpting heat
- elastic
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Abstract
It the utility model is related to water treatment filter field, specifically a kind of elastic sewage suction device for backwash filter.Including dirt sucking tube, multiple soil pick-up branch pipes are interval with dirt sucking tube, any one one end of soil pick-up branch pipe away from dirt sucking tube is equipped with sewage absorpting heat, the soil pick-up hole being connected by soil pick-up branch pipe with dirt sucking tube is offered on sewage absorpting heat, sewage absorpting heat is supported by sewage absorpting heat and rubber bellows are connected with soil pick-up branch pipe, sewage absorpting heat includes soil pick-up job step and the guide section being coaxially disposed, and the radius of soil pick-up job step is more than guide section, sewage absorpting heat support inner circle gap coordinate by way of be set in guide section it is cylindrical on, cylindrical being set in by way of interference fit in the inner circle of soil pick-up branch pipe of sewage absorpting heat support；The inner circle at rubber bellows both ends be set in respectively by way of interference fit soil pick-up branch pipe and soil pick-up job step it is cylindrical on.This practical novel species is simple in construction, and cleaning performance is good, and cost is low, and maintenance time interval is grown.
Description
Technical field
It the utility model is related to water treatment filter field, specifically a kind of elasticity suction for backwash filter
Dirty device.
Background technology
At present, backwash filter is more uses suction type filter, and during filtering, raw water enters filter from water inlet,
By filter cylinder, the water after filtering flows out from delivery port.Particle diameter is blocked more than the impurity in filter cylinder aperture in raw water,
Filter cylinder inner surface forms filter cake, and with the progress of filtering, filter cake is constantly thickening, and the further increase of side pressure difference, reaches inside and outside filter cylinder
After the pressure differential resetting value of control system, automatic back-flushing device starts, and blowoff valve is opened, drive of the sewage suction device in transmission mechanism
Under, reciprocating motion of spinning, wherein sewage absorpting heat are adjacent to filter cylinder inwall, are being inhaled by the pressure in filter cylinder and the pressure difference between atmospheric pressure
Suction is produced at dirty head, the filter cake on filter cylinder is rinsed well, filthy water is through sewage absorpting heat, dirt sucking tube by blowoff valve discharge filter.
Suction type filter is generally using the metal tube simply processed or pvc pipe as dirt sucking tube at present, between soil pick-up end surfaces and filter cylinder
In the presence of certain gap, in backwash process, the water of the gap side enters dirt sucking tube, causes suction to reduce and influences to inhale
It is dirty；On the other hand, due to deviation from circular from filter cylinder process be present, dirt sucking tube exists in actual moving process destroys filter cylinder
Possibility, cause filter maintenance to safeguard frequent, cost is high.
Utility model content
The utility model aims to provide the recoil that one kind is simple in construction, and cleaning performance is good, and cost is low, and maintenance time interval is grown
Wash the elastic sewage suction device of filter.
In order to solve the above technical problems, the technical solution adopted in the utility model is：One kind is used for backwash filter
Glue elasticity sewage suction device, including dirt sucking tube, one end of dirt sucking tube is provided with closure plate, and the other end is provided with delivery port and for connecting
The connecting plate of filter transmission mechanism, multiple soil pick-up branch pipes are interval with dirt sucking tube, any one soil pick-up branch pipe is away from suction
One end of dirty pipe is equipped with sewage absorpting heat, and the soil pick-up hole being connected by soil pick-up branch pipe with dirt sucking tube is offered on sewage absorpting heat, described
Sewage absorpting heat is supported by sewage absorpting heat and rubber bellows are connected with the soil pick-up branch pipe, and sewage absorpting heat includes the soil pick-up being coaxially disposed
Job step and guide section, and the radius of soil pick-up job step is more than guide section, the inner circle of the sewage absorpting heat support is matched somebody with somebody by gap
The mode of conjunction be set in guide section it is cylindrical on, sewage absorpting heat support cylindrical is set in soil pick-up branch pipe by way of interference fit
Inner circle in；The inner circle at the rubber bellows both ends is set in soil pick-up branch pipe by way of interference fit respectively and soil pick-up is made
Industry section it is cylindrical on.
Preferably, the soil pick-up hole is arranged to stepped hole, and aperture is reduced from the soil pick-up job step of sewage absorpting heat to guide section.
Preferably, it is spaced apart in soil pick-up job step positioned at the periphery in soil pick-up hole and is used to connect rubber bellows provided with multiple
The outside pressure compensation opening with inner chamber.
Preferably, the soil pick-up job step and soil pick-up branch pipe it is cylindrical on be respectively provided with rubber bellows two
Hold the first positioning step coordinated.
Preferably, dirt sucking tube support it is cylindrical provided with one end fits of the soil pick-up branch pipe away from dirt sucking tube second
Positioning step.
Preferably, the both ends of the rubber bellows are fixed by clip and soil pick-up job step and soil pick-up branch pipe respectively；
The rubber bellows are made using ethylene propylene diene rubber and use three wave structures, and the clip uses 316L stainless steel material systems
Make and use soket head cap screw to fasten.
Preferably, the sewage absorpting heat support is made using polytetrafluoroethylene (PTFE).
Preferably, dirt sucking tube and the soil pick-up branch pipe is made using 316L stainless steel materials, and soil pick-up branch pipe passes through welding
Mode is fixedly connected perpendicular to dirt sucking tube.
Preferably, the sewage absorpting heat is made using polytetrafluoroethylmaterial material.
Beneficial effect
By using above-mentioned technical proposal, the utility model patent has following beneficial effect：
1）The sewage suction device of common suction type automatic backwashing filter is changed, makes sewage absorpting heat in certain wear extent
It is interior, filter cylinder inwall can be close to, improve soil pick-up ability, filter cylinder cleans cleaner；
2）Fastened using 316L clips between rubber bellows and soil pick-up branch pipe, sewage absorpting heat, sealed simultaneously without sealing ring
Reliably；
3）Sewage absorpting heat uses step pore structure, soil pick-up area and suction size when ensure that backwash；
4）Using rubber corrugated tubular construction, there is excellent corrosion-resistant and ageing-resistant performance, extend maintenance time interval；
5）It can be applied in sea water filter operating mode.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the close-up schematic view at the utility model sewage absorpting heat position；
Marked in figure：1st, dirt sucking tube, 101, delivery port, 2, closure plate, 3, connecting plate, 4, soil pick-up branch pipe, 5, sewage absorpting heat, 501,
Soil pick-up hole, 502, soil pick-up job step, 503, guide section, 504, pressure compensation opening, 6, the city of sewage absorpting heat, 7, rubber bellows, 8,
First positioning step, the 9, second positioning step, 10, Filter cartridge.
Embodiment
As shown in Figures 1 and 2, a kind of glue elasticity sewage suction device for backwash filter of the present utility model, including
Dirt sucking tube 1, one end of dirt sucking tube 1 are provided with closure plate 3, and the other end is provided with delivery port 2 and for connecting filter transmission mechanism
Connecting plate 3, multiple soil pick-up branch pipes 4 are interval with dirt sucking tube 1, any one one end of soil pick-up branch pipe 4 away from dirt sucking tube 1 is equal
Provided with sewage absorpting heat 5, the soil pick-up hole 501 being connected by soil pick-up branch pipe 4 with dirt sucking tube 1 is offered on sewage absorpting heat 5.It is former during filtering
Water enters filter from filter water inlet, and by Filter cartridge 10, the water after filtering flows out from filter delivery port 2.It is former
Particle diameter is blocked more than the impurity of the aperture of filter screen on Filter cartridge 10 in water, in the inner surface of Filter cartridge 10
Filter cake is formed, with the progress of filtering, filter cake is constantly thickening, and the further increase of side pressure difference, reaches control inside and outside Filter cartridge 10
After the pressure differential resetting value of system processed, automatic back-flushing device starts, and blowoff valve is opened, and dirt sucking tube 1 of the present utility model is being driven
Under the drive of mechanism, reciprocating motion of spinning, drive sewage absorpting heat 5 to be adjacent to Filter cartridge 10 and scan soil pick-up, filtered by filter
Pressure in cylinder 10 and the pressure difference between atmospheric pressure produce suction at sewage absorpting heat 5, the filter cake on Filter cartridge 10 are rinsed dry
Only, filthy water through sewage absorpting heat 5, dirt sucking tube 1 by blowoff valve discharge filter.
Sewage absorpting heat 5 of the present utility model is connected by sewage absorpting heat support 6 and rubber bellows 7 with soil pick-up branch pipe 4.Soil pick-up
First 5 include the soil pick-up job step 502 being coaxially disposed and guide section 503, and the radius of soil pick-up job step 502 is more than guide section
503, sewage absorpting heat support 6 inner circle gap coordinate by way of be set in guide section 503 it is cylindrical on, make guide section 503 can
Reciprocatingly slided in sewage absorpting heat support 6.The cylindrical soil pick-up branch pipe 4 of being set in by way of interference fit of sewage absorpting heat support 6
In inner circle, dirt sucking tube 1 support it is cylindrical on be provided with the second positioning table with one end fits of the soil pick-up branch pipe 4 away from dirt sucking tube 1
Rank 9, for keeping fixing the relative position of sewage absorpting heat support 6 and soil pick-up branch pipe 4.The inner circle at the both ends of rubber bellows 7 is led to respectively
The mode of interference fit be set in soil pick-up branch pipe 4 and soil pick-up job step 502 it is cylindrical on, soil pick-up job step 502 and soil pick-up
Branch pipe 4 it is cylindrical on be respectively provided with the both ends of rubber bellows 7 coordinate the first positioning step 8, make soil pick-up branch pipe 4,
After rubber bellows 7, sewage absorpting heat 5, sewage absorpting heat support 6 are installed with Filter cartridge 10, sewage absorpting heat 5 can be adjacent to Filter cartridge
10 inwalls, while rubber bellows 7 have appropriate decrement, ensure sewage absorpting heat 5 in certain wear extent and Filter cartridge
In the range of 10 deviation from circular from, filter can normal automatic backwash, avoid because of the effect of attrition of sewage absorpting heat 5 and Filter cartridge
The contact condition of 10 inwalls and can not normal soil pick-up.
Soil pick-up hole 501 is arranged to stepped hole, and aperture is reduced from the soil pick-up job step 502 of sewage absorpting heat 5 to guide section 503.Greatly
Hole ensure that soil pick-up area when sewage suction device is run in backwashing period, make backwashing period long；Aperture makes dirty
Water by when accelerate flow, ensure that soil pick-up speed.
It is spaced apart in soil pick-up job step 502 positioned at the periphery in soil pick-up hole 501 and is used to connect rubber bellows 7 provided with multiple
The outside pressure compensation opening 504 with inner chamber.Pressure compensation opening 504 is L-shaped, for balancing the pressure difference in outside in rubber bellows 7,
Rubber bellows 7 is subjected only to axial compression stress, improve the service life of rubber bellows 7.
In the present embodiment, the both ends of rubber bellows 7 pass through clip and soil pick-up job step 502 and soil pick-up branch pipe 4 respectively
It is fixed；Rubber bellows 7 are made using ethylene propylene diene rubber and are used three wave structures, have suitable stiffness coefficient.Clip is adopted
Made of 316L stainless steel materials and use soket head cap screw to fasten, while realize reliable sealing.Sewage absorpting heat support 6 and soil pick-up
First 5 are made using high-abrasive material polytetrafluoroethylene (PTFE).Dirt sucking tube 1 and soil pick-up branch pipe 4 are made using 316L stainless steel materials, are inhaled
Dirty branch pipe 4 is fixedly connected by welding manner perpendicular to dirt sucking tube 1.
Claims (9)
1. a kind of elastic sewage suction device for backwash filter, including dirt sucking tube（1）, dirt sucking tube（1）One end be provided with it is stifled
Plate（2）, the other end is provided with delivery port（101）And for connecting the connecting plate of filter transmission mechanism（3）, in dirt sucking tube（1）
On be interval with multiple soil pick-up branch pipes（4）, any one soil pick-up branch pipe（4）Away from dirt sucking tube（1）One end be equipped with sewage absorpting heat
（5）, sewage absorpting heat（5）On offer by soil pick-up branch pipe（4）With dirt sucking tube（1）The soil pick-up hole being connected（501）, its feature exists
In：The sewage absorpting heat（5）Supported by sewage absorpting heat（6）And rubber bellows（7）With the soil pick-up branch pipe（4）It is connected, soil pick-up
Head（5）Including the soil pick-up job step being coaxially disposed（502）And guide section（503）, and soil pick-up job step（502）Radius be more than
Guide section（503）, the sewage absorpting heat support（6）Inner circle gap coordinate by way of be set in guide section（503）It is cylindrical
On, sewage absorpting heat support（6）Cylindrical soil pick-up branch pipe is set in by way of interference fit（4）Inner circle in；The rubber ripple
Line pipe（7）The inner circle at both ends is set in soil pick-up branch pipe by way of interference fit respectively（4）With soil pick-up job step（502）It is outer
On circle.
A kind of 2. elastic sewage suction device for backwash filter according to claim 1, it is characterised in that：The suction
Dirty hole（501）Stepped hole is arranged to, aperture is by sewage absorpting heat（5）Soil pick-up job step（502）To guide section（503）Reduce.
A kind of 3. elastic sewage suction device for backwash filter according to claim 1, it is characterised in that：In soil pick-up
Job step（502）It is upper to be located at soil pick-up hole（501）Periphery be spaced apart be provided with it is multiple be used for connect rubber bellows（7）It is outside with it is interior
The pressure compensation opening of chamber（504）.
A kind of 4. elastic sewage suction device for backwash filter according to claim 1, it is characterised in that：The suction
Dirty job step（502）And soil pick-up branch pipe（4）It is cylindrical on be respectively provided with and rubber bellows（7）Both ends coordinate the
One positioning step（8）.
A kind of 5. elastic sewage suction device for backwash filter according to claim 1, it is characterised in that：The suction
Dirt pipe（1）The cylindrical of support is provided with and soil pick-up branch pipe（4）Away from dirt sucking tube（1）One end fits the second positioning step（9）.
A kind of 6. elastic sewage suction device for backwash filter according to claim 1, it is characterised in that：The rubber
Glue bellows（7）Both ends pass through clip and soil pick-up job step respectively（502）And soil pick-up branch pipe（4）It is fixed；The rubber ripple
Line pipe（7）Made using ethylene propylene diene rubber and use three wave structures, the clip is made and adopted using 316L stainless steel materials
Fastened with soket head cap screw.
A kind of 7. elastic sewage suction device for backwash filter according to claim 1, it is characterised in that：The suction
Dirty head support（6）Made using polytetrafluoroethylene (PTFE).
A kind of 8. elastic sewage suction device for backwash filter according to claim 1, it is characterised in that：The suction
Dirt pipe（1）With soil pick-up branch pipe（4）Made using 316L stainless steel materials, soil pick-up branch pipe（4）By welding manner perpendicular to suction
Dirt pipe（1）It is fixedly connected.
A kind of 9. elastic sewage suction device for backwash filter according to claim 1, it is characterised in that：The suction
Dirty head（5）Made using polytetrafluoroethylmaterial material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720812162.4U CN206996013U (en) | 2017-07-06 | 2017-07-06 | A kind of elastic sewage suction device for backwash filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720812162.4U CN206996013U (en) | 2017-07-06 | 2017-07-06 | A kind of elastic sewage suction device for backwash filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206996013U true CN206996013U (en) | 2018-02-13 |
Family
ID=61453382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720812162.4U Active CN206996013U (en) | 2017-07-06 | 2017-07-06 | A kind of elastic sewage suction device for backwash filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206996013U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108434828A (en) * | 2018-04-08 | 2018-08-24 | 洛阳双瑞金属复合材料有限公司 | A kind of soil pick-up nozzle of filter |
| CN109481976A (en) * | 2018-12-14 | 2019-03-19 | 洛阳理工学院 | A kind of filter |
| CN110180250A (en) * | 2019-06-25 | 2019-08-30 | 鹿海洋 | Floatation element and floating material intercepting system for backwash |
| CN111437648A (en) * | 2019-01-17 | 2020-07-24 | 三浦工业株式会社 | Water treatment device |
-
2017
- 2017-07-06 CN CN201720812162.4U patent/CN206996013U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108434828A (en) * | 2018-04-08 | 2018-08-24 | 洛阳双瑞金属复合材料有限公司 | A kind of soil pick-up nozzle of filter |
| CN109481976A (en) * | 2018-12-14 | 2019-03-19 | 洛阳理工学院 | A kind of filter |
| CN111437648A (en) * | 2019-01-17 | 2020-07-24 | 三浦工业株式会社 | Water treatment device |
| CN110180250A (en) * | 2019-06-25 | 2019-08-30 | 鹿海洋 | Floatation element and floating material intercepting system for backwash |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210127 Address after: No. 169, Binhe South Road, Luolong District, Luoyang City, Henan Province Patentee after: NO.725 RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. Address before: 471000 shuangxiang Road, Luoxin Industrial Park, Xin'an County, Luoyang City, Henan Province Patentee before: LUOYANG SHUANGRUI METAL COMPOSITE MATERIALS Co.,Ltd. |