CN110104708A - Magnetic suspension waterpower is spun fore filter - Google Patents
Magnetic suspension waterpower is spun fore filter Download PDFInfo
- Publication number
- CN110104708A CN110104708A CN201910500938.2A CN201910500938A CN110104708A CN 110104708 A CN110104708 A CN 110104708A CN 201910500938 A CN201910500938 A CN 201910500938A CN 110104708 A CN110104708 A CN 110104708A
- Authority
- CN
- China
- Prior art keywords
- filter
- magnet
- filter core
- spun
- magnetic suspension
- 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
- 239000000725 suspension Substances 0.000 title claims abstract description 18
- 230000004308 accommodation Effects 0.000 claims description 16
- 230000006837 decompression Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000001846 repelling effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- 238000010586 diagram Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 241000243686 Eisenia fetida Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940059082 douche Drugs 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/08—Construction of the casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/10—Safety devices, e.g. by-passes
-
- 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
- B01D29/6446—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
-
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
It spins fore filter the invention discloses a kind of magnetic suspension waterpower, including filter body, filter core is equipped in filter body, bottom position is equipped with the drainage cup being located at below filter core in filter body, the bottom end of the filter core is equipped with the first magnet, and drainage cup is equipped with the second magnet to repel each other with the first magnet.It replaces spring to use by the first magnet for repelling each other and the first magnet, after blowdown, filter core is resetted by the repulsion between the first magnet and the second magnet, because the service life of magnet is longer than spring, so it can make fore filter maintain normal operating condition for a long time, service life is improved.
Description
Technical field
It is especially that a kind of magnetic suspension waterpower is spun fore filter the present invention relates to a kind of fore filter.
Background technique
First of coarse filtration equipment when fore filter is to water can filter silt, iron rust, worm in tap water
Ovum.The large particulate matters such as red worm.Its structure of the fore filter of the prior art generally comprises main body, the top of main body is equipped with and subtracts
Pressure valve and water-through base with intake tunnel and exhalant canal are equipped with filter core in main body, and main body bottom end is equipped with blowdown valve,
Main body bottom end is additionally provided with drainage cup, and spring is equipped between drainage cup and filter core, and the effect of spring is to pass through it after blowdown
Elastic force resets filter core, but the elastic force of spring is after long-term use, and elastic force can be deteriorated, and filter core is caused to reset slow or even filter core
Can not reset, eventually lead to fore filter can not normal use, and by fore filter dismantle replacement spring be then more troublesome.
Summary of the invention
In view of the defect of the above-mentioned prior art, it is an object of the invention to: a kind of magnetic suspension waterpower is provided and is spun preposition mistake
Filter can make fore filter that can normally be used for a long time.
The technical solution of the invention is as follows: magnetic suspension waterpower is spun fore filter, including filter body, filter
Filter core is equipped in main body, bottom position is equipped with the drainage cup being located at below filter core in filter body, and the bottom end of the filter core is set
There is the first magnet, drainage cup is equipped with the second magnet to repel each other with the first magnet.
Further, the bottom end of the filter core is equipped with the first accommodation groove, and the first magnet is caught in the first accommodation groove.
Further, the bottom end of the filter core is fixed with a fixed plate, and the second magnet is stuck between fixed plate and filter core.
Further, middle position is equipped with the second accommodation groove in the drainage cup, and the bottom end of the second magnet is put into the second appearance
It sets in slot.
Further, it is cased with a fixing sleeve outside second magnet, fixing sleeve bottom end is fixed in the second accommodation groove.
Further, the bottom end of the filter core is cased with a positioning sleeve, has through-hole, centre bit in drainage cup among positioning sleeve
It sets with inserted link, inserted link is inserted into through-hole.
Further, first magnet and the second magnet are permanent magnet.
Further, the top of the filter body is connected with the water-through base with inlet and outlet, filter master
The bottom end of body is equipped with blowdown valve, and filter core is equipped in filter body, and rotating cylinder is equipped in filter core, and rotating cylinder outer wall is equipped at least
Two column inclined holes are respectively provided with a boss at left and right sides of rotating cylinder, a column inclined hole are equipped on the outside of each boss.
Further, for two boss in array distribution on the outside of rotating cylinder, the water discharging direction of two column inclined holes is identical.
Further, the lower end of the rotating cylinder is closed, upper end opening, and center, which is equipped with, in the bottom end of filter core is located at rotating cylinder
The salient point of lower section, salient point are contacted with cylinder bottom.
Further, the filter body includes cylinder and the valve body that is placed in cylinder top and is connected to cylinder, filter
Core is arranged in cylinder, and pressure reducing valve is equipped in valve body, the water-through base being connected to valve body is fixed on the outside of valve body.
Further, the valve body is equipped with intake tunnel and exhalant canal, the water inlet company of intake tunnel and water-through base
Logical, exhalant canal is connected to water outlet；Be equipped with a fixing seat between the cylinder top and filter core, the centre of fixing seat be equipped with
Exhalant canal and the apopore of filter core top connection, the outer of fixing seat is equipped with to be connected to intake tunnel and cylinder lumen
Inlet opening.
Further, sealing ring is equipped between the fixing seat and filter core, valve body.
Further, the top inner wall of the cylinder is equipped with a retainer plate, and a snap ring is equipped between retainer plate and filter core,
Snap ring is fixed on outside filter core.
It spins fore filter using magnetic suspension waterpower provided by the present invention, the beneficial effect is that: it, which passes through, repels each other
First magnet and the first magnet replace spring to use, and after blowdown, filter core passes through between the first magnet and the second magnet
Repulsion resets, because the service life of magnet is longer than spring, it can make fore filter maintain normal use shape for a long time
State improves service life.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is schematic side view of the invention；
Fig. 3 is the schematic cross-sectional view in the direction A-A in Fig. 2；
Fig. 4 is the structural schematic diagram of rotating cylinder of the present invention；
Fig. 5 is the lateral schematic cross-sectional view of rotating cylinder of the present invention；
Fig. 6 is a structural schematic diagram of valve body of the present invention；
Fig. 7 is another structural schematic diagram of valve body of the present invention；
Fig. 8 is the structural schematic diagram of water-through base of the present invention；
Fig. 9 is the structural schematic diagram of the fix seat of that invention；
Figure 10 is the scheme of installation of snap ring of the present invention and retainer plate；
Figure 11 is position view of the filter core of the present invention under blowdown state；
Figure 12 is the position view after the first magnet and the second magnet installation of the invention；
Figure 13 is position view when the first magnet and the second magnet of the invention are installed.
It is as shown in the figure: 1-filter body, 1.1-cylinders, 1.2-valve bodies, 2-water-through bases, 2.1-water inlets,
2.2-water outlets, 3-blowdown valves, 4-pressure reducing valves, 5-filter cores, 51-salient points, 6-rotating cylinders, 61-boss, 611-inclined holes,
7-intake tunnels, 8-exhalant canals, 9-fixing seats, 10-apopores, 11-inlet openings, 12-sealing rings, 13-is fixed
Circle, 131-card slots, 14-snap rings, 141-strips, the 15-the first magnet, the 16-the second magnet, the 17-the first accommodation groove, 18-
Fixed plate, the 19-the second accommodation groove, 20-fixing sleeves, 21-positioning sleeves, 211-through-holes, 22-drainage cups, 221-inserted links.
Specific embodiment
For it is relatively intuitive, be fully understood by technical solution of the present invention, now just combine attached drawing of the present invention to carry out non-limiting
Feature description it is as follows:
As shown in Fig. 1-Figure 13, magnetic suspension waterpower is spun fore filter, including filter body 1, filter body 1
Interior to be equipped with filter core 5, bottom position is equipped with the drainage cup 22 for being located at 5 lower section of filter core in filter body 1, and the bottom end of filter core 5 is equipped with
First magnet 15, drainage cup 22 are equipped with the second magnet 16 to repel each other with the first magnet 15.
The bottom end of filter core 5 is equipped with the first accommodation groove 17 that Open Side Down, and the first magnet 15 is caught in the first accommodation groove 17.Filter
The bottom end of core 5 is fixed with a fixed plate 18, and the second magnet 16 is stuck between fixed plate 18 and filter core 5.Interposition in drainage cup 22
The second accommodation groove 19 of opening upwards is installed, the bottom end of the second magnet 16 is put into the second accommodation groove 19.Outside second magnet 16
It is cased with a fixing sleeve 20,20 bottom end of fixing sleeve is fixed in the second accommodation groove 19.Fixed plate 18 and fixing sleeve 20 each serve as guarantor
The effect for protecting the first magnet 15 and the second magnet 16 can prevent water to be washed the first magnet 15 and 16 outer wall magnet of the second magnet
It falls, to guarantee their magnetism.
First magnet 15 and the second magnet 16 are permanent magnet, and the first magnet 15 and the second magnet 16 can be guaranteed long-term
Magnetism remains unchanged in use process.
The bottom end of filter core 5 is cased with a positioning sleeve 21, has through-hole 211, center in drainage cup 22 among positioning sleeve 21
With inserted link 221, inserted link 221 is inserted into through-hole 211.Positioning sleeve 21 and inserted link 221 cooperate, and 5 lower end of filter core can be guaranteed upper
Held stationary is run during lower movement.
The top of filter body 1 is connected with the water-through base 2 with water inlet 2.1 and water outlet 2.2, filter body 1
Bottom end is equipped with blowdown valve 3, and filter core 5 is equipped in filter body 1, and rotating cylinder 6 is equipped in filter core 5, and 6 outer wall of rotating cylinder is equipped with extremely
Few two column inclined holes 611, the left and right sides of rotating cylinder 6 are respectively provided with a boss 61, and the outside of each boss 61 is equipped with a column inclined hole
611, it is connected to inside inclined hole 611 and rotating cylinder 6.
For two boss 61 in array distribution in 6 outside of rotating cylinder, the water discharging direction of two column inclined holes 611 is identical.Two column inclined holes 611
Water discharging direction is identical, as shown in figure 5, two column inclined holes 611 are sideling sprayed water, and makes water in eddy flow state stream clockwise after being discharged
It is dynamic.
The lower end of rotating cylinder 6 is closed, upper end opening, and center is equipped with the salient point for being located at 6 lower section of rotating cylinder in the bottom end of filter core 5
51, salient point 51 is contacted with 6 bottom of rotating cylinder.Salient point 51 is contacted with 6 bottom surface of rotating cylinder, can be reduced frictional force when rotating cylinder 6 rotates, be made
Rotating cylinder 6 is more smooth when rotating.
Filter body 1 includes cylinder 1.1 and the valve body 1.2 for being placed in 1.1 top of cylinder and being connected to cylinder 1.1, filter
Core 5 is arranged in cylinder 1.1, be equipped with pressure reducing valve 4 in valve body 1.2, and the outside of valve body 1.2 is fixed with to be connected to valve body 1.2
Water-through base 2.
Valve body 1.2 is equipped with intake tunnel 7 and exhalant canal 8, and intake tunnel 7 is connected to the water inlet 2.1 of water-through base 2,
Exhalant canal 8 is connected to water outlet 2.2；A fixing seat 9 is equipped between 1.1 top of cylinder and filter core 5, the centre of fixing seat 9 is set
There is the apopore 10 being connected to exhalant canal 8 and 5 top of filter core, the outer of fixing seat 9 is equipped with and intake tunnel 7 and cylinder
The inlet opening 11 of 1.1 inner cavities connection.When water inlet, water is flowed into from the water inlet 2.1 of water-through base 2, and the water inlet for entering back into valve body 1.2 is logical
Then road 7 flows into cylinder 1.1 along the inlet opening of fixing seat 9 11, last water enters back into filter core 5；When water outlet, water is from filter
The outflow of 5 top of core, then by 9 apopore 10 of fixing seat into the exhalant canal 8 of valve body 1.2, finally by the water outlet of water-through base 2
Mouth 2.2 flows out.
Sealing ring 12 is equipped between fixing seat 9 and filter core 5, valve body 1.2, sealing effect is good.
The top inner wall of cylinder 1.1 is equipped with a retainer plate 13, and a snap ring 14, card are equipped between retainer plate 13 and filter core 5
Ring 14 is fixed on outside filter core 5.Multiple strips 141, uniformly distributed multiple and card on the inner wall of retainer plate 13 are evenly distributed on the outer wall of snap ring 14
The card slot 131 that item 141 cooperates, strip 141 is caught in card slot 131, so that snap ring 14 is slidably matched with retainer plate 13.
Water flows downward when blowdown, and filter core 5 is moved down by the downward impact force of water, the water in rotating cylinder 6 by inclined hole 611 to
Outer outflow, because 6 outer wall of rotating cylinder is equipped at least two column inclined holes 611, water can be flowed in eddy flow state when draining, thus band
Turn cylinder 6 is rotated, and rotating cylinder 6 makes water carry out jet douche to filter core 5 during rotation, can be by the whole circle of filter core 5 all
It is ejected into, more clean so as to rinse filter core 5, water is discharged by blowdown valve 3 after having cleaned.After blowdown, filter
Core 5 is resetted by the repulsion between the first magnet 15 and the second magnet 16.
Certainly, the above is merely preferred embodiments of the present invention, therefore, it does not limit the scope of the patents of the invention, all fortune
With simply modification and the equivalent structure variation for it of description of the invention and schema content institute, should all similarly be contained in of the invention special
Within sharp protection scope.
Claims (10)
- Fore filter, including filter body 1. magnetic suspension waterpower is spun, filter body is interior to be equipped with filter core, filter body Interior bottom position is equipped with the drainage cup being located at below filter core, it is characterised in that: the bottom end of the filter core is equipped with the first magnet, draining Cup is equipped with the second magnet to repel each other with the first magnet.
- The fore filter 2. magnetic suspension waterpower according to claim 1 is spun, it is characterised in that: the bottom end of the filter core is set There is the first accommodation groove, the first magnet is caught in the first accommodation groove.
- The fore filter 3. magnetic suspension waterpower according to claim 2 is spun, it is characterised in that: the bottom end of the filter core is solid Surely there is a fixed plate, the second magnet is stuck between fixed plate and filter core.
- The fore filter 4. magnetic suspension waterpower according to claim 1 or 2 is spun, it is characterised in that: in the drainage cup Middle position is equipped with the second accommodation groove, and the bottom end of the second magnet is put into the second accommodation groove.
- The fore filter 5. magnetic suspension waterpower according to claim 4 is spun, it is characterised in that: the second magnet housing There is a fixing sleeve, fixing sleeve bottom end is fixed in the second accommodation groove.
- The fore filter 6. magnetic suspension waterpower according to claim 3 is spun, it is characterised in that: the bottom end of the filter core covers There is a positioning sleeve, there is through-hole among positioning sleeve, center has inserted link in drainage cup, and inserted link is inserted into through-hole.
- The fore filter 7. magnetic suspension waterpower according to claim 1 is spun, it is characterised in that: first magnet and Two magnet are permanent magnet.
- The fore filter 8. magnetic suspension waterpower according to claim 1 is spun, it is characterised in that: the filter body Top is connected with the water-through base with inlet and outlet, and the bottom end of filter body is equipped with blowdown valve, in filter body Equipped with filter core, rotating cylinder is equipped in filter core, rotating cylinder outer wall is equipped at least two column inclined holes, is respectively provided with one at left and right sides of rotating cylinder Boss is equipped with a column inclined hole on the outside of each boss.
- The fore filter 9. magnetic suspension waterpower according to claim 8 is spun, it is characterised in that: the lower end of the rotating cylinder is closed It closes, upper end opening, center is equipped with the salient point being located at below rotating cylinder in the bottom end of filter core, and salient point is contacted with cylinder bottom.
- The fore filter 10. magnetic suspension waterpower according to claim 1 is spun, it is characterised in that: the filter body Including cylinder and the valve body for being placed in cylinder top and being connected to cylinder, filter core setting is equipped with decompression in cylinder, in valve body Valve is fixed with the water-through base being connected to valve body on the outside of valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500938.2A CN110104708A (en) | 2019-06-11 | 2019-06-11 | Magnetic suspension waterpower is spun fore filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500938.2A CN110104708A (en) | 2019-06-11 | 2019-06-11 | Magnetic suspension waterpower is spun fore filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110104708A true CN110104708A (en) | 2019-08-09 |
Family
ID=67494496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910500938.2A Pending CN110104708A (en) | 2019-06-11 | 2019-06-11 | Magnetic suspension waterpower is spun fore filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110104708A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203090578U (en) * | 2013-01-22 | 2013-07-31 | 徐根富 | Self-cleaning filter |
| CN105396363A (en) * | 2015-12-22 | 2016-03-16 | 福州品行科技发展有限公司 | Adjustable backwash pre-filter and usage method thereof |
| CN205164249U (en) * | 2015-12-01 | 2016-04-20 | 吕丽端 | High -efficient sewage processor |
| CN106178669A (en) * | 2016-07-25 | 2016-12-07 | 玉环美尔斯铜业有限公司 | A kind of fore filter |
| CN206627314U (en) * | 2017-03-14 | 2017-11-10 | 河北德润厚天仪器制造有限公司 | A kind of automated cleaning sampling cup |
| CN108261820A (en) * | 2016-12-30 | 2018-07-10 | 福州品行科技发展有限公司 | A kind of purifying kettle |
| CN210313574U (en) * | 2019-06-11 | 2020-04-14 | 汉高(天津)技术有限公司 | Magnetic suspension hydraulic rotary-flushing pre-filter |
-
2019
- 2019-06-11 CN CN201910500938.2A patent/CN110104708A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203090578U (en) * | 2013-01-22 | 2013-07-31 | 徐根富 | Self-cleaning filter |
| CN205164249U (en) * | 2015-12-01 | 2016-04-20 | 吕丽端 | High -efficient sewage processor |
| CN105396363A (en) * | 2015-12-22 | 2016-03-16 | 福州品行科技发展有限公司 | Adjustable backwash pre-filter and usage method thereof |
| CN106178669A (en) * | 2016-07-25 | 2016-12-07 | 玉环美尔斯铜业有限公司 | A kind of fore filter |
| CN108261820A (en) * | 2016-12-30 | 2018-07-10 | 福州品行科技发展有限公司 | A kind of purifying kettle |
| CN206627314U (en) * | 2017-03-14 | 2017-11-10 | 河北德润厚天仪器制造有限公司 | A kind of automated cleaning sampling cup |
| CN210313574U (en) * | 2019-06-11 | 2020-04-14 | 汉高(天津)技术有限公司 | Magnetic suspension hydraulic rotary-flushing pre-filter |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 300450 b-404, No. 65, Xincheng East Road, economic and Technological Development Zone, Binhai New Area, Tianjin Applicant after: Hangao (Tianjin) Technology Co., Ltd. Address before: 300 457 days B-404, 65 Xincheng East Road, Dongli Economic and Technological Development Zone, Tianjin Applicant before: Hangao (Tianjin) Technology Co., Ltd. |
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