CN108854217A - Sewage filter system is used in a kind of purification of domestic water - Google Patents
Sewage filter system is used in a kind of purification of domestic water Download PDFInfo
- Publication number
- CN108854217A CN108854217A CN201810708220.8A CN201810708220A CN108854217A CN 108854217 A CN108854217 A CN 108854217A CN 201810708220 A CN201810708220 A CN 201810708220A CN 108854217 A CN108854217 A CN 108854217A
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- CN
- China
- Prior art keywords
- cabinet
- mounting rack
- bag
- filter
- impurity
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000000746 purification Methods 0.000 title claims abstract description 34
- 239000010865 sewage Substances 0.000 title claims abstract description 34
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010926 purge Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 239000000126 substance Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002689 soil Substances 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
- B01D29/56—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 in series connection
-
- 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
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
-
- 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
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to a kind of domestic water purification sewage filter systems,Including water storage tank,Water pump,Cabinet,Mounting rack,Spray head,Injection tube,Impulse electromagnetic valve,Gas bag,Mounting base,Electric cylinder,Brush board,Clean brush filament,Controller,Filter bag frame,Aggregate bin and dedusting filtering bag,Spray head is arranged in box house right side,And it is connected with water pump,Gas bag is arranged by mounting base in cabinet left side,Impulse electromagnetic valve is installed on tracheae,Aggregate bin is arranged on the downside of box house,Dedusting filtering bag is located inside filter bag frame,The design leaks out impurity,Convenient for the removing of impurity,Cleaning equipment is recycled,Purification resource is saved,Improve filter effect,Telescopic rod is fixedly connected with the output shaft of electric cylinder,And cleaning brush filament is arranged in brush board lower end surface,The design can clean the impurity on mounting rack surface,The impurity on mounting rack surface is cleaned to dedusting filtering bag,Convenient for the global purge of impurity.
Description
Technical field
The present invention relates to sewage purifier field, sewage filter system is used in specially a kind of domestic water purification.
Background technique
Sewage is often referred to discharge water centainly polluted, from life and production.Sewage mainly has sanitary sewage, work
Industry waste water and initial rainwater.According to sewage source, sewage can be divided into these fourth types.The first kind：Industrial wastewater is from manufacture mining
With the sewage of industrial production activities, including from industry or business store, processing runoff live leachate and it is other not
It is the waste water of sanitary sewage.Second class：Sanitary sewage is from house, office building, organ or similar sewage；Hygienic sewage；
Effluent sewerage, including the industrial wastewater mixed in sanitary sewage in sewerage system.Third class：Business sewage is set from business
It applies and certain ingredients is more than nontoxic, the harmless sewage [2] of sanitary sewage.Such as sewage from catering business.Sewage of wash house, animal feeding
Sewage, the sewage etc. that hairdressing place generates.4th class：Overland flow is lauched from rainwater, snow-broth, highway, comes from city and work
The water etc. in industry area, overland flow does not infilter soil, enters underground water along street and land.
General household water needs to carry out the filtering of generating layer time, but traditional filter plant structure is relatively simple and crude, general benefit
It is purified with activated carbon adsorption or chemical materials, the method absorption of activated carbon adsorption is not thorough, and still has fine impurities residual, chemical industry
The method of material reaction purification can make to remain chemical refuse in water, and cleaning is not clean to impact water quality, and equipment can not
It is recycled, wastes device resource, solved in conclusion being now badly in need of a kind of domestic water purification with sewage filter system
State the problem.
Summary of the invention
It is an object of the present invention to provide a kind of domestic water purification sewage filter systems, to solve to mention in above-mentioned background technique
Traditional filter plant structure out is relatively simple and crude, is generally purified using activated carbon adsorption or chemical materials, activated carbon adsorption
Method absorption is not thorough, and still has fine impurities residual, and the method for chemical materials reaction purification can make to remain chemical rubbish in water
The problem of rubbish, cleaning is not clean to impact water quality, and equipment can not be recycled, waste device resource.
To achieve the above object, the present invention provides the following technical solutions：A kind of domestic water purification sewage filter system,
Including apparatus main body and purification mechanism, described device main body includes water storage tank, filter screen and water pump, and the filter screen setting is being stored up
Sink upper inside, the water storage tank are connected by water pump with purification mechanism, the purification mechanism include cabinet, mounting rack,
Spray head, injection tube, impulse electromagnetic valve, gas bag, mounting base, secondary component, controller, filter bag frame, supporting leg, unloads top cover
Expect that valve, aggregate bin and dedusting filtering bag, the supporting leg are arranged in cabinet lower end, the top cover is hinged on cabinet top end face, the spray
Head setting is connected in box house right side, and with water pump, and the injection tube is located in the box body on the upside of portion, and the gas bag passes through
Mounting base is arranged in cabinet left side, and the gas bag is connected by tracheae with injection tube, and the impulse electromagnetic valve is installed on
On tracheae, the aggregate bin is arranged on the downside of box house, and the discharge valve setting is in aggregate bin bottom end, the mounting rack setting
In box house, and it is located on the downside of spray head, the secondary component is arranged on the upside of mounting rack, and the filter bag frame setting exists
Mounting rack lower end surface, the dedusting filtering bag are located inside filter bag frame, and the controller and impulse electromagnetic valve are electrically connected, described
Secondary component includes electric cylinder, telescopic rod, brush board and cleaning brush filament, and the electric cylinder is arranged in box house left side,
The telescopic rod is fixedly connected with the output shaft of electric cylinder, and the brush board is fixed at telescopic rod right end, and the cleaning brush
Silk is arranged in brush board lower end surface.
Further, there are two the supporting leg is set, two supporting legs are symmetricly set on cabinet lower end surface.
Further, the filter bag frame and dedusting filtering bag are equipped with several, several described filter bag frames are distributed in
Mounting rack lower end surface.
Further, the mounting rack upper surface corresponds to filter bag frame quantity and offers several round mouths, and round mouth bore is not
Greater than the bore of filter bag frame.
Further, the cleaning brush filament is equipped with several, several described cleaning brush filaments are equidistantly arranged in brush board lower end
Face, and clean brush filament and be in contact with mounting rack surface.
Further, the aggregate bin is connected by circulating pump with water storage tank inner bottom.
Further, handle is provided on the right side of the top cover top end face.
Compared with prior art, the beneficial effects of the invention are as follows：Because the present invention is added to cabinet, mounting rack, spray head, top
Lid, injection tube, impulse electromagnetic valve, gas bag, mounting base, controller, filter bag frame, supporting leg, discharge valve, aggregate bin and dedusting filter
Bag, the design can purify water using bag filter, and filter bag filters out fine impurities remaining in water, and is adhered to
Inside filter bag, and the expandable principle of cloth bag volume is utilized, impurity is leaked out, convenient for the removing of impurity, makes cleaning equipment can
To be recycled, purification resource is saved, filter effect is improved；Because the present invention is added to electric cylinder, telescopic rod, brush board and clear
Clean brush filament, the design can clean the impurity on mounting rack surface, the impurity on mounting rack surface cleaned to dedusting filtering bag
Portion, convenient for the global purge of impurity.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of purification mechanism in the present invention；
Fig. 3 is the structural schematic diagram of secondary component in the present invention；
Fig. 4 is main view of the invention.
In appended drawing reference：1. water storage tank；2. filter screen；3. water pump；4. purification mechanism；5. circulating pump；401. cabinet；402.
Mounting rack；403. spray head；404. handle；405. top cover；406. injection tube；407. impulse electromagnetic valve；408. gas bag；409. installation
Seat；410. secondary components；411. controller；412. filter bag frame；413. supporting leg；414. discharge valve；415. aggregate bin；
416. dedusting filtering bag；4101. electric cylinder；4102. telescopic rod；4103. brush board；4104. cleaning brush filament.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution：A kind of domestic water purification sewage filter system, packet
Apparatus main body and purification mechanism 4 are included, apparatus main body includes water storage tank 1, filter screen 2 and water pump 3, and filter screen 2 is arranged in water storage tank 1
Upper inside, water storage tank 1 are connected by water pump 3 with purification mechanism 4.
Purification mechanism 4 includes cabinet 401, mounting rack 402, spray head 403, top cover 405, injection tube 406, impulse electromagnetic valve
407, gas bag 408, mounting base 409, secondary component 410, controller 411, filter bag frame 412, supporting leg 413, discharge valve
414, aggregate bin 415 and dedusting filtering bag 416, supporting leg 413 are arranged in 401 lower end of cabinet, and top cover 405 is hinged on 401 top of cabinet
Face, spray head 403 is arranged in 401 inside right side of cabinet, and is connected with water pump 3, and injection tube 406 is located on 401 inside of cabinet
Side, gas bag 408 is arranged by mounting base 409 in 401 left side of cabinet, and gas bag 408 is connected by tracheae with injection tube 406
It connects, impulse electromagnetic valve 407 is installed on tracheae, and the setting of aggregate bin 415 is collecting in 401 inner lower of cabinet, the setting of discharge valve 414
415 bottom end of hopper, mounting rack 402 are arranged inside cabinet 401, and are located at 403 downside of spray head, and secondary component 410 is arranged
In 402 upside of mounting rack, filter bag frame 412 is arranged in 402 lower end surface of mounting rack, and dedusting filtering bag 416 is located in filter bag frame 412
Portion, controller 411 and impulse electromagnetic valve 407 are electrically connected, which can purify water using bag filter, and filter bag will
Remaining fine impurities filter out in water, and are adhered to inside filter bag, and utilize the expandable principle of cloth bag volume, by impurity
It leaks out, convenient for the removing of impurity, cleaning equipment is recycled, has saved purification resource, improved filter effect.
Secondary component 410 includes electric cylinder 4101, telescopic rod 4102, brush board 4103 and cleans brush filament 4104, electronic
Cylinder 4101 is arranged in 401 inside left side of cabinet, and telescopic rod 4102 is fixedly connected with the output shaft of electric cylinder 4101, brush board 4103
It is fixed at 4102 right end of telescopic rod, and cleans brush filament 4104 and is arranged in 4103 lower end surface of brush board, which can be to mounting rack
The impurity on 402 surfaces is cleaned, and the impurity on 402 surface of mounting rack is cleaned to dedusting filtering bag 416, convenient for the whole of impurity
Body is removed.
There are two supporting leg 413 is set, two supporting legs 413 are symmetricly set on 401 lower end surface of cabinet, filter bag frame 412 and dedusting
Filter bag 416 is equipped with several, several filter bag frames 412 are distributed in 402 lower end surface of mounting rack, 402 upper surface pair of mounting rack
It answers 412 quantity of filter bag frame to offer several round mouths, and round mouth bore is not more than the bore of filter bag frame 412, cleans brush filament
4104 are equipped with several, several cleaning brush filaments 4104 are equidistantly arranged in 4103 lower end surface of brush board, and clean brush filament 4104 and peace
It shelves 402 surfaces to be in contact, aggregate bin 415 is connected by circulating pump with 1 inner bottom of water storage tank, and 405 top end face of top cover is right
Side is provided with handle 404.
The present invention is at work：Domestic water enters 1 internal reservoir of water storage tank after the filtering of filter screen 2, and water pump 3 will store up
Water inside sink 1 conveys spray head 403, and water is sprayed onto 401 upper inside of cabinet by spray head 403, and water flows downward, and by installation
Frame 402 flows into inside the dedusting filtering bag 416 inside filter bag frame 412, and dedusting filtering bag 416 filters out the fine impurities in water,
Continue to flow downward to inside aggregate bin 415, the water inside aggregate bin 415 is transmitted back to inside water storage tank 1 by circulating pump to be made
With after purification, the output end of operation electric cylinder 4101, electric cylinder 4101 drives brush board 4103 or so by telescopic rod 4102
Mobile, brush board 4103 drives cleaning brush filament 4104 to move left and right, and the impurity of 402 upper surface of mounting rack is cleaned to dedusting filtering bag
Inside 416, impulse electromagnetic valve 407 is run by controller 411, impulse electromagnetic valve 407 will be defeated after the gas boosting in gas bag 408
It send to injection tube 406, pressurized gas is sprayed to dedusting filtering bag 416,416 volume expansion of dedusting filtering bag, residual by injection tube 406
It is dropped downward into inside aggregate bin 415 in the impurity of 416 inner surface of dedusting filtering bag, user of service can be by discharge valve 414 by impurity
Discharge, so that it is relatively simple and crude to solve traditional filter plant structure, generally utilizes activated carbon adsorption so that next time is recycled
Or chemical materials purification, the method absorption of activated carbon adsorption are not thorough, and still have fine impurities residual, chemical materials reaction purification
Method can make to remain chemical refuse in water, clear up it is not clean water quality can be impacted, and equipment can not be recycled, waste
The problem of device resource.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of domestic water purification sewage filter system, including apparatus main body and purification mechanism (4), it is characterised in that：Institute
Stating apparatus main body includes water storage tank (1), filter screen (2) and water pump (3), and the filter screen (2) is arranged on water storage tank (1) inside
Side, the water storage tank (1) are connected by water pump (3) with purification mechanism (4)；
The purification mechanism (4) include cabinet (401), mounting rack (402), spray head (403), top cover (405), injection tube (406),
Impulse electromagnetic valve (407), gas bag (408), mounting base (409), secondary component (410), controller (411), filter bag frame
(412), supporting leg (413), discharge valve (414), aggregate bin (415) and dedusting filtering bag (416), the supporting leg (413) are arranged in case
Body (401) lower end, the top cover (405) are hinged on cabinet (401) top end face, and spray head (403) setting is in cabinet (401)
Portion right side, and be connected with water pump (3), the injection tube (406) is located at cabinet (401) upper inside, the gas bag (408)
By mounting base (409) setting in cabinet (401) left side, and the gas bag (408) is connected by tracheae with injection tube (406)
It connects, the impulse electromagnetic valve (407) is installed on tracheae, and the aggregate bin (415) is arranged in cabinet (401) inner lower, institute
Discharge valve (414) setting is stated in aggregate bin (415) bottom end, mounting rack (402) setting is internal in cabinet (401), and is located at
On the downside of spray head (403), on the upside of mounting rack (402), the filter bag frame (412) is set for secondary component (410) setting
It sets in mounting rack (402) lower end surface, the dedusting filtering bag (416) is located at filter bag frame (412) inside, the controller (411)
It is electrically connected with impulse electromagnetic valve (407)；
The secondary component (410) includes electric cylinder (4101), telescopic rod (4102), brush board (4103) and cleaning brush filament
(4104), electric cylinder (4101) setting is in the internal left side of cabinet (401), the telescopic rod (4102) and electric cylinder
(4101) output shaft is fixedly connected, and the brush board (4103) is fixed at telescopic rod (4102) right end, and the cleaning brush
Silk (4104) is arranged in brush board (4103) lower end surface.
2. a kind of domestic water purification sewage filter system according to claim 1, it is characterised in that：The supporting leg
(413) there are two setting, two supporting legs (413) are symmetricly set on cabinet (401) lower end surface.
3. a kind of domestic water purification sewage filter system according to claim 1, it is characterised in that：The filter bag frame
Frame (412) and dedusting filtering bag (416) are equipped with several, several described filter bag frames (412) are distributed under mounting rack (402)
End face.
4. a kind of domestic water purification sewage filter system according to claim 1, it is characterised in that：The mounting rack
(402) upper surface corresponds to filter bag frame (412) quantity and offers several round mouths, and round mouth bore is not more than filter bag frame (412)
Bore.
5. a kind of domestic water purification sewage filter system according to claim 1, it is characterised in that：The cleaning brush
Silk (4104) is equipped with several, several described cleaning brush filaments (4104) are equidistantly arranged in brush board (4103) lower end surface, and clean
Brush filament (4104) is in contact with mounting rack (402) surface.
6. a kind of domestic water purification sewage filter system according to claim 1, it is characterised in that：The aggregate bin
(415) it is connected by circulating pump with water storage tank (1) inner bottom.
7. a kind of domestic water purification sewage filter system according to claim 1, it is characterised in that：The top cover
(405) handle (404) are provided on the right side of top end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810708220.8A CN108854217A (en) | 2018-07-02 | 2018-07-02 | Sewage filter system is used in a kind of purification of domestic water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810708220.8A CN108854217A (en) | 2018-07-02 | 2018-07-02 | Sewage filter system is used in a kind of purification of domestic water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108854217A true CN108854217A (en) | 2018-11-23 |
Family
ID=64298007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810708220.8A Pending CN108854217A (en) | 2018-07-02 | 2018-07-02 | Sewage filter system is used in a kind of purification of domestic water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108854217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851009A (en) * | 2019-04-02 | 2019-06-07 | 宁波伊玛水环境科技有限公司 | A kind of Magneto separate formula sewage-treatment plant that grid mechanism is convenient to clean |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207391039U (en) * | 2017-10-25 | 2018-05-22 | 广州永亨机电设备工程有限公司 | A kind of integrated sewage treating apparatus |
| CN207532962U (en) * | 2017-11-07 | 2018-06-26 | 河南星凯电气制造有限公司 | A kind of electrical equipment rack with depth cleaner |
-
2018
- 2018-07-02 CN CN201810708220.8A patent/CN108854217A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207391039U (en) * | 2017-10-25 | 2018-05-22 | 广州永亨机电设备工程有限公司 | A kind of integrated sewage treating apparatus |
| CN207532962U (en) * | 2017-11-07 | 2018-06-26 | 河南星凯电气制造有限公司 | A kind of electrical equipment rack with depth cleaner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851009A (en) * | 2019-04-02 | 2019-06-07 | 宁波伊玛水环境科技有限公司 | A kind of Magneto separate formula sewage-treatment plant that grid mechanism is convenient to clean |
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| PB01 | Publication | ||
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Application publication date: 20181123 |
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| RJ01 | Rejection of invention patent application after publication |