CN106422467A - Filter - Google Patents
Filter Download PDFInfo
- Publication number
- CN106422467A CN106422467A CN201611062542.7A CN201611062542A CN106422467A CN 106422467 A CN106422467 A CN 106422467A CN 201611062542 A CN201611062542 A CN 201611062542A CN 106422467 A CN106422467 A CN 106422467A
- Authority
- CN
- China
- Prior art keywords
- aeration tube
- wobble plate
- plate
- tube
- filtering
- 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.)
- Granted
Links
- 238000005273 aeration Methods 0.000 claims abstract description 106
- 238000001914 filtration Methods 0.000 claims abstract description 77
- 239000012528 membrane Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000003860 storage Methods 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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
- B01D29/62—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
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a filter which is simple in structure, avoids blocking and improves working efficiency. The filter comprises a barrel, and a first end plate and a second end plate which are sequentially arranged in parallel in the barrel; the barrel is sequentially partitioned into a water inlet bin, a filtering bin and a drain bin from left to right by the first end plate and the second end plate; a water inlet is formed in the outer side of the water inlet bin, and a filtering net is arranged in the water inlet bin in the mode of facing the filtering net; a water outlet is formed in the top of the filtering bin, multiple filtering membrane pipes, an aeration assembly, a first swing plate and a second swing plate are arranged in the filtering bin, and the filtering membrane pipes are uniformly arranged on the first end plate and the second end plate and arranged in an arc shape; a drain opening is formed in the outer side of the drain bin. The filter is convenient to machine and high in reliability and improves filtering smoothness.
Description
Technical field
The present invention relates to water-treatment technology field, more particularly, to filter.
Background technology
Currently for sanitary sewage process still many by the way of Sewage Plant focuses on, not only increase capital cost
With, operation and maintenance cost, easily certain pollution effect is caused to sewage network on the way environment simultaneously.With social development,
Society, all in the thought actively advocating decentralized wastewater treatment, treatment in situ, reuse on the spot, realizes water balance and water circulation has weight
Big meaning.Membrane filtration in water process, because low cost, effect are promoted use well；However, its be easily easily polluted by the external foreign matters and
Result in blockage, need often to be rinsed processing, efficiency is low.
Content of the invention
The present invention is directed to problem above, there is provided a kind of structure is simple, it is to avoid blocking, improves the filter of operating efficiency.
The technical scheme is that：Including cylinder, in described cylinder, it is provided with end plate one that is parallel and setting gradually and end
Cylinder is divided into water storage, filtering cabin and draining storehouse by plate two, described end plate one and end plate two from left to right successively,
The outside of described water storage is provided with water inlet, is provided with screen pack in described water storage, and described screen pack is towards water inlet setting；
The top of described filtering cabin is provided with delivery port, is provided with some filtering membrane tubes, aeration assembly, wobble plate one and in described filtering cabin
Wobble plate two, some filtering membrane tubes are uniformly arranged on end plate one and end plate two, the curved setting of described filtering membrane tube；
Described aeration assembly includes air blast, main aeration tube, an aeration tube one and an aeration tube two, and described air blast is located at cylinder
Outward, described main aeration tube, an aeration tube one and an aeration tube two connect air blast by pipeline respectively, and described pipeline is provided with electricity
Magnet valve, described main aeration tube is located at the central lower of filtering membrane tube, and the gas port of described main aeration tube is arranged upward, described aeration
Pipe one is located at the left side of filtering cabin bottom, and described aeration tube two is located at the right side of filtering cabin bottom；
Described wobble plate one is provided with some through holes one, and described wobble plate one is set in the left side of some filtering membrane tubes, described aeration
Pipe one be located at wobble plate one left side, the gas port on described aeration tube one towards wobble plate one,
Described wobble plate two is provided with some through holes one, and described wobble plate two is set in the right side of some filtering membrane tubes, described aeration
Pipe two is located at the right side of wobble plate two, and the gas port on described aeration tube two is towards wobble plate two；
The outside in described draining storehouse is provided with discharge outlet.
Also include spring, described spring is connected between the top of wobble plate one and the top of wobble plate two.
Also include an aeration tube three and an aeration tube four, described aeration tube three and an aeration tube four are respectively by pipeline even
Connect air blast, described pipeline is provided with magnetic valve, described aeration tube three is located at the left side of filtering cabin bottom and is located at wobble plate one
Right side, the gas port on described aeration tube three towards wobble plate one,
Described aeration tube four is located at the right side of filtering cabin bottom and is located at the left side of wobble plate two, on described aeration tube four
Gas port is towards wobble plate two.
Also include a pair of scraper component, a pair of scraper component is symmetrical arranged and is located between wobble plate one and wobble plate two；
Described scraper component includes scraper plate, and described scraper plate is provided with some through holes two, and the aperture of described through hole two is less than through hole one
Aperture, described scraper plate is set on some filtering membrane tubes,
Scraper plate in a pair of scraper component connects wobble plate one and wobble plate two by elastomer respectively；
Described through hole two is provided with the flexible scraping teeth for contact filtration membrane tube on inwall anchor ring.
The present invention includes cylinder, arranges the filtering membrane tube of some curved settings, one side energy in the filtering cabin of cylinder
Enough reduce the floor space of cylinder, on the other hand make impurity etc. disperse, be gathered in the centre of filtering membrane tube under gravity
Bottom, is easy to subsequently remove.
During work, main aeration tube, aeration tube one and an aeration tube two are opened so that filtering membrane tube levels off to straight tube simultaneously
State is filtered, and improves and filters smoothness；
Secondly, main aeration tube stops, and props up aeration tube one and aeration tube two action simultaneously, an aeration tube one interval 5min, props up and exposes
Tracheae two interval 5min is so that filtering membrane tube both sides swing in the presence of wobble plate one and wobble plate two, on the one hand, impurity is divided
Dissipate, accumulate in the central bottom of filtering membrane tube, on the other hand so that accumulating in the impurity on the surface of membrane tube in swing process,
Can remove；
Finally, main aeration tube, an aeration tube one and an aeration tube two are opened simultaneously, and the impurity that will be dispersed in centre carries out reliability clearly
Remove.
The present invention is convenient to process, and improves the smoothness of filtration, reliability is high.
Brief description
Fig. 1 is the structural representation of the present invention,
Fig. 2 is the structural representation of optimal enforcement mode one of the present invention,
Fig. 3 is the structural representation of optimal enforcement mode two of the present invention,
Fig. 4 is the structural representation of optimal enforcement mode three of the present invention；
Fig. 5 is the partial structural diagram of scraper plate,
Fig. 6 is the course of action figure one of the present invention,
Fig. 7 is the course of action figure two of the present invention；
In figure 1 is cylinder, and 11 is end plate one, and 12 is end plate two, and 13 is water storage, and 130 is water inlet, and 14 is filtering cabin, and 140 are
Apopore, 15 is draining storehouse, and 150 is discharge outlet,
2 is screen pack, and 3 is filtering membrane tube,
4 is aeration assembly, and 41 is air blast, and 42 is main aeration tube, and 43 is an aeration tube one, and 44 is an aeration tube two, and 45 is electricity
Magnet valve,
5 is wobble plate one, and 6 is wobble plate two, and 7 is through hole one, and 8 is spring, and 91 is an aeration tube three, and 92 is an aeration tube four,
10 is scraper component, and 101 is scraper plate, and 1011 is through hole two, and 1012 is scraping teeth, and 102 is elastic component；
In Fig. 1-4, the direction of arrow represents aeration direction, and in Fig. 6-7, the direction of arrow represents direction of action.
Specific embodiment
The present invention as shown in figs. 1-7, including cylinder 1, is provided with end plate 1 He that is parallel and setting gradually in described cylinder
Cylinder is divided into water storage 13, filtering cabin 14 and draining storehouse by end plate 2 12, described end plate one and end plate two from left to right successively
15, in work, end plate one and end plate two be tightly connected so that in cylinder sewage disposal reliable, it is to avoid mixed flow, improve filterability.
The outside of described water storage 13 is provided with water inlet 130, is provided with screen pack 2, described screen pack court in described water storage
To water inlet setting, play the larger impurity of preliminary filtration volume；
The top of described filtering cabin 14 is provided with delivery port 140, for pure water inlet, is provided with some filtering membrane tubes in described filtering cabin
3rd, aeration assembly 4, wobble plate 1 and wobble plate 26, some filtering membrane tubes 3 are uniformly arranged on end plate 1 and end plate 2 12, described mistake
The curved setting of filter membrane pipe；Filtering membrane tube is used for the less impurity of filtration volume, the mouth of pipe of sewage filtering membrane tube from end plate one
Enter, the mouth of pipe of filtering membrane tube from end plate two for the sewage after filtration is discharged；The curved setting of filtering membrane tube, plays impurity
Deng the bottom assembled to arc, it is easy to subsequent treatment.
Described aeration assembly 4 includes air blast 41, main aeration tube 42, an aeration tube 1 and an aeration tube 2 44, described
Air blast is located at outside cylinder, and described main aeration tube, an aeration tube one and an aeration tube two connect air blast, institute by pipeline respectively
State pipeline and be provided with magnetic valve 45, described main aeration tube 42 is located at the central lower of filtering membrane tube, the gas port of described main aeration tube
Arrange upward, described aeration tube 1 is located at the left side of filtering cabin bottom, described aeration tube 2 44 is located at filtering cabin bottom
Right side；
Described wobble plate 1 is provided with some through holes 1, and described wobble plate one is set in some filtering membrane tubes by some through holes one
Left side, described aeration tube one is located at the left side of wobble plate one, and the gas port on described aeration tube one is towards wobble plate one so that wobble plate
One is swung；
Described wobble plate 26 is provided with some through holes 1, and described wobble plate two is set in some filtering membrane tubes by some through holes one
Right side, described aeration tube two is located at the right side of wobble plate two, and the gas port on described aeration tube two is towards wobble plate two；Make wobble plate
Two are swung；
Method of work is：First, main aeration tube, aeration tube one and an aeration tube two opens simultaneously so that filtering membrane tube convergence
Filtered in straight tube state, improve and filter smoothness；
Secondly, main aeration tube stops, and props up aeration tube one and aeration tube two action simultaneously, an aeration tube one interval 5min, props up and exposes
Tracheae two interval 5min is so that filtering membrane tube both sides swing in the presence of wobble plate one and wobble plate two, on the one hand, impurity is divided
Dissipate, accumulate in the central bottom of filtering membrane tube, on the other hand so that accumulating in the impurity on the surface of membrane tube in swing process,
Can remove（During swing, filtering membrane tube is subject to resistance, can remove the impurity on surface）；Interval time makes wobble plate one and swings two
Reset；
Finally, main aeration tube, an aeration tube one and an aeration tube two are opened simultaneously, and the impurity that will be dispersed in centre carries out reliability clearly
Remove.
The outside in described draining storehouse 15 is provided with discharge outlet 150.
Also include spring 8, described spring is connected between the top of wobble plate one and the top of wobble plate two；Setting spring, one
Aspect ensures that wobble plate one and wobble plate two position are relatively fixed；On the other hand it is easy to wobble plate one and wobble plate two when swinging, reliable multiple
Position.
Also include an aeration tube 3 91 and an aeration tube 4 92, described aeration tube 3 91 and an aeration tube 4 92 lead to respectively
Piping connects air blast, and described pipeline is provided with magnetic valve, described aeration tube 3 91 be located at filtering cabin bottom left side and
Towards wobble plate one, now, wobble plate one is located at aeration tube one He to gas port on the right side of wobble plate one, described aeration tube three
Prop up between aeration tube three；
Described aeration tube 4 92 is located at the right side of filtering cabin bottom and is located at the left side of wobble plate two, on described aeration tube four
Gas port towards wobble plate two, now, wobble plate two is located between an aeration tube two and an aeration tube four.
Setting aeration tube three and an aeration tube four, on the one hand make wobble plate one and wobble plate two position be relatively fixed；Another
Aspect, raising wobble plate one and two amplitudes driving filtering membrane tubes swing that swing are so that impurity disperses, accumulates in filtering membrane tube
Between bottom.
Also include a pair of scraper component 10, a pair of scraper component is symmetrical arranged and is located between wobble plate one and wobble plate two；
Described scraper component includes scraper plate 101, and described scraper plate is provided with some through holes 2 1011, and the aperture of described through hole two is less than
The aperture of through hole one, described scraper plate is set on some filtering membrane tubes by through hole two,
Scraper plate in a pair of scraper component passes through elastomer 102 respectively（As spring etc.）Connect wobble plate one and wobble plate two；
Described through hole two is provided with the flexible scraping teeth 1012 for contact filtration membrane tube on inwall anchor ring.By arranging scraper plate, make
Wobble plate one and wobble plate two when swinging, scraper plate is promoted by elastomer, and then is struck off by the flexible scraping teeth on scraper plate and be located at
Impurity on filtering membrane tube etc., it is to avoid the blocking on filtering membrane tube surface, improves filtration reliability.
Claims (4)
1. a kind of filter, including cylinder it is characterised in that being provided with end plate one that is parallel and setting gradually and end in described cylinder
Cylinder is divided into water storage, filtering cabin and draining storehouse by plate two, described end plate one and end plate two from left to right successively,
The outside of described water storage is provided with water inlet, is provided with screen pack in described water storage, and described screen pack is towards water inlet setting；
The top of described filtering cabin is provided with delivery port, is provided with some filtering membrane tubes, aeration assembly, wobble plate one and in described filtering cabin
Wobble plate two, some filtering membrane tubes are uniformly arranged on end plate one and end plate two, the curved setting of described filtering membrane tube；
Described aeration assembly includes air blast, main aeration tube, an aeration tube one and an aeration tube two, and described air blast is located at cylinder
Outward, described main aeration tube, an aeration tube one and an aeration tube two connect air blast by pipeline respectively, and described pipeline is provided with electricity
Magnet valve, described main aeration tube is located at the central lower of filtering membrane tube, and the gas port of described main aeration tube is arranged upward, described aeration
Pipe one is located at the left side of filtering cabin bottom, and described aeration tube two is located at the right side of filtering cabin bottom；
Described wobble plate one is provided with some through holes one, and described wobble plate one is set in the left side of some filtering membrane tubes, described aeration
Pipe one be located at wobble plate one left side, the gas port on described aeration tube one towards wobble plate one,
Described wobble plate two is provided with some through holes one, and described wobble plate two is set in the right side of some filtering membrane tubes, described aeration
Pipe two is located at the right side of wobble plate two, and the gas port on described aeration tube two is towards wobble plate two；
The outside in described draining storehouse is provided with discharge outlet.
2. it is characterised in that also including spring, described spring is connected to wobble plate to a kind of filter according to claim 1
Between the top of one top and wobble plate two.
3. a kind of filter according to claim 1 is it is characterised in that also include aeration tube three and an aeration tube four,
Described aeration tube three and an aeration tube four connect air blast by pipeline respectively, and described pipeline is provided with magnetic valve, described
Aeration tube three is located at the left side of filtering cabin bottom and is located at the right side of wobble plate one, and the gas port on described aeration tube three is towards pendulum
Plate one,
Described aeration tube four is located at the right side of filtering cabin bottom and is located at the left side of wobble plate two, on described aeration tube four
Gas port is towards wobble plate two.
4. a kind of filter according to claim 1 and 2 is it is characterised in that also include a pair of scraper component, a pair of scraper plate
Assembly is symmetrical arranged and is located between wobble plate one and wobble plate two；
Described scraper component includes scraper plate, and described scraper plate is provided with some through holes two, and the aperture of described through hole two is less than through hole one
Aperture, described scraper plate is set on some filtering membrane tubes,
Scraper plate in a pair of scraper component connects wobble plate one and wobble plate two by elastomer respectively；
Described through hole two is provided with the flexible scraping teeth for contact filtration membrane tube on inwall anchor ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611062542.7A CN106422467B (en) | 2016-11-28 | 2016-11-28 | A kind of filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611062542.7A CN106422467B (en) | 2016-11-28 | 2016-11-28 | A kind of filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106422467A true CN106422467A (en) | 2017-02-22 |
| CN106422467B CN106422467B (en) | 2018-12-28 |
Family
ID=58219079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611062542.7A Active CN106422467B (en) | 2016-11-28 | 2016-11-28 | A kind of filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106422467B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115874A (en) * | 2019-05-31 | 2019-08-13 | 重庆工业职业技术学院 | A kind of chemical wastewater treatment device |
| CN110512577A (en) * | 2019-07-12 | 2019-11-29 | 衢州学院 | A kind of swimming pool floating hair and dead skin remover |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000300967A (en) * | 1999-04-15 | 2000-10-31 | Kurita Water Ind Ltd | Film separator |
| CN1491904A (en) * | 2002-10-25 | 2004-04-28 | 中国科学院生态环境研究中心 | Film assembly cleaned mechanically |
| JP2005230813A (en) * | 2004-01-20 | 2005-09-02 | Toray Ind Inc | Hollow fiber membrane module |
| CN101757854A (en) * | 2010-02-11 | 2010-06-30 | 曹达文 | Multi-pipe internal pressure mechanical circulation forced cross current solid-liquid separation dynamic membrane system and device thereof |
| CN101766957A (en) * | 2009-01-07 | 2010-07-07 | 中国科学院生态环境研究中心 | Membrane component of internal-pressure fiberglass braided tube covering membrane |
| CN204891614U (en) * | 2015-08-19 | 2015-12-23 | 上海希沃环境科技有限公司 | Submergence formula tubular film element |
| CN105749754A (en) * | 2016-03-17 | 2016-07-13 | 河海大学 | Ultrafiltration membrane assembly realizing water inflowing from two ends |
| CN105749755A (en) * | 2016-05-12 | 2016-07-13 | 江西博鑫精陶环保科技有限公司 | Flat-plate ceramic membrane assembly capable of rotating and swinging |
-
2016
- 2016-11-28 CN CN201611062542.7A patent/CN106422467B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000300967A (en) * | 1999-04-15 | 2000-10-31 | Kurita Water Ind Ltd | Film separator |
| CN1491904A (en) * | 2002-10-25 | 2004-04-28 | 中国科学院生态环境研究中心 | Film assembly cleaned mechanically |
| JP2005230813A (en) * | 2004-01-20 | 2005-09-02 | Toray Ind Inc | Hollow fiber membrane module |
| CN101766957A (en) * | 2009-01-07 | 2010-07-07 | 中国科学院生态环境研究中心 | Membrane component of internal-pressure fiberglass braided tube covering membrane |
| CN101757854A (en) * | 2010-02-11 | 2010-06-30 | 曹达文 | Multi-pipe internal pressure mechanical circulation forced cross current solid-liquid separation dynamic membrane system and device thereof |
| CN204891614U (en) * | 2015-08-19 | 2015-12-23 | 上海希沃环境科技有限公司 | Submergence formula tubular film element |
| CN105749754A (en) * | 2016-03-17 | 2016-07-13 | 河海大学 | Ultrafiltration membrane assembly realizing water inflowing from two ends |
| CN105749755A (en) * | 2016-05-12 | 2016-07-13 | 江西博鑫精陶环保科技有限公司 | Flat-plate ceramic membrane assembly capable of rotating and swinging |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115874A (en) * | 2019-05-31 | 2019-08-13 | 重庆工业职业技术学院 | A kind of chemical wastewater treatment device |
| CN110512577A (en) * | 2019-07-12 | 2019-11-29 | 衢州学院 | A kind of swimming pool floating hair and dead skin remover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106422467B (en) | 2018-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108434840A (en) | The sewage-treatment plant of strainer Anti-blocking structure | |
| CN106422467A (en) | Filter | |
| CN203620385U (en) | Quick flow splitting dirt removal device | |
| CN104609600B (en) | Automatic washing type industrial wastewater purification device | |
| CN106582086B (en) | A kind of effluent treatment and filtering cylinder | |
| CN206396768U (en) | A kind of constructional engineering drain device | |
| JP2017536234A (en) | Water purification apparatus and water filtration method using the water purification apparatus | |
| CN208275116U (en) | A kind of town sewage low-coumption processing unit | |
| CN203303723U (en) | Manual backwash filter | |
| CN107215976B (en) | Be used for high building domestic sewage purifier in city | |
| CN202010458U (en) | Fiber ball filtering tank | |
| CN209872650U (en) | Decontamination exhaust device | |
| CN108970240A (en) | A kind of grit water separator | |
| CN204550298U (en) | Quiet wash type water filter | |
| CN106745877A (en) | A kind of film filtering reactor | |
| CN209917419U (en) | Manual filter | |
| CN208911573U (en) | A kind of interim filter device of nuclear power station pump intake | |
| CN111777227A (en) | Sewage treatment formula drainage system for road | |
| CN109851143A (en) | A kind of decontamination exhaust apparatus | |
| CN204298946U (en) | Sewage lifter | |
| CN205099502U (en) | Household efficient water purifier | |
| CN205170541U (en) | Sewage filtering device | |
| CN204182214U (en) | A kind of y-type filter of improvement | |
| CN102923820A (en) | Resin trap | |
| CN105944448B (en) | A kind of full-automatic back washing water purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |