CN107854882A - A kind of easy water-locator - Google Patents
A kind of easy water-locator Download PDFInfo
- Publication number
- CN107854882A CN107854882A CN201711070930.4A CN201711070930A CN107854882A CN 107854882 A CN107854882 A CN 107854882A CN 201711070930 A CN201711070930 A CN 201711070930A CN 107854882 A CN107854882 A CN 107854882A
- Authority
- CN
- China
- Prior art keywords
- layer
- filter screen
- locator
- aperture plate
- water
- 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
- 239000002245 particle Substances 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 102000010637 Aquaporins Human genes 0.000 claims description 3
- 108010063290 Aquaporins Proteins 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 239000013618 particulate matter Substances 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 5
- 229920004933 Terylene® Polymers 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000011900 installation process Methods 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 108091006146 Channels Proteins 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 102000004391 Aquaporin 6 Human genes 0.000 description 1
- 108090000977 Aquaporin 6 Proteins 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
-
- 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
- B01D29/58—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 arranged concentrically or coaxially
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0415—Details of supporting structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/40—Special measures for connecting different parts of the filter
- B01D2201/4015—Bayonet connecting means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of easy water-locator device, including exterior protection supporting layer (1), middle part aperture plate layer (2), inner standoff layer (3), the covering of described middle part aperture plate layer (2) outer surface is provided with accurate filter screen (4).Described inner supporting structure is attached by screw thread and water distribution pipeline, and exterior protection supporting construction is attached with inner supporting structure by screw thread；Middle part aperture plate is stuck between interior external protection coating.In installation process, 2~3 layers of barreled filter screen are coated on the aperture plate of middle part, are fixed by snap ring, and be laminated tightly by exterior protection.The water-locator of the present invention is protected middle part aperture plate, the filter screen of water-locator by interior external supporting structure, external and internal pressure when promoting middle part filter layer to resist equipment operation.Meanwhile by the exterior protection structure of water-locator, the direct friction of terylene filter screen and particulate matter is greatly reduced, the service life of filter screen is improved, reduces the replacing number of filter screen.
Description
Technical field
The present invention relates to water treatment field, in particular to a kind of easy water-locator.
Background technology
Water-locator is widely used among the water treatment structure unit of water treatment field, for isolating water treatment facilities list
Particulate matter in member, such as means of particulate material such as anions and canons resin, activated carbon, quartz sands.In water treatment structure unit,
As more medium filter, active carbon filter, softening tower, anion bed, cation bed and mixed bed device structure unit in, water-locator needs
To be arranged on inside narrow space.With the use of water-locator, tiny particle is deposited on the surface of filter screen and screw thread connects
Mouthful, cause water-locator the problem of frequently changing and be difficult to dismantle occur.The external precision filter screen of common water-locator passes through Buddhist nun
Imperial band is fixed on the surface of water-locator, the internal pressure that filter screen can not bear from-inner-to-outer thus occurs, enters in water treatment facilities
The problems such as filter screen easily being burst during the positive flushing of row.In addition, filter screen is fully exposed to have in the container of particulate matter,
The contact frequency of screen surface and particulate matter is increased, causes filter screen easily to occur run-down.
The content of the invention
The technical problem to be solved in the present invention is to overcome above technological deficiency, there is provided a kind of easy water-locator.
To solve the above problems, present invention offer technical scheme is:A kind of easy water-locator, including exterior protection support
Layer is further, middle part aperture plate layer is further, inner standoff layer is further, the described further appearance of middle part aperture plate layer
It is further that face covering is provided with accurate filter screen.
Enter as an improvement, the exterior protection supporting layer further includes being spaced for the V-groove of particle buffering
One step, the further interval of V-groove is further provided with disengaging aquaporin, and the further outside of the V-groove is set
Have it is further for fixing the further V-type fragment retainer ring of V-groove, the exterior protection supporting layer it is further one
End is further provided with exterior protection supporting layer internal thread interface, and the further other end of the exterior protection supporting layer is sealing
Structure.
Further, the inner standoff layer is further further including inner standoff layer main body, the internal branch
Further upper set is equipped with that aperture plate support ring is further to support layer main body, the further one end of the inner standoff layer main body
It is further provided with reverse outer silk screw thread, the reversely outer silk screw thread further close to inner standoff layer main body further
One end is further provided with snap ring headspace, and the snap ring headspace further provided with fixed precision is used for filter by upper clamping
Net the further reversely further other end of outer silk screw thread of further open type round clasp and be provided with outer silk spiral shell
Line is further.
Further, the middle part aperture plate layer further includes that aperture plate is further, the aperture plate it is further one
End be provided with snap ring headspace it is further, the accurate filter screen further by exterior protection supporting construction further and
Middle part wire-grid structure is further fixed.
Further, it is fixed accurate with the further junction of accurate filter screen outside the further angle of the V-groove
The further accurate filter screen compacting point of filter screen is further.
The beneficial effect of the present invention compared with prior art is：Water-locator of the present invention need not be consolidated by nylon cable tie
Fixed accurate filter screen, is suppressed by interior outer support layer, and mode the consolidating accurate filter screen precision of open type round clasp sealing
It is scheduled on aperture plate surface.Exterior protection supporting layer can play the resistance to compression effect to internal screen, and water-locator integral demounting mistake
Anti-skidding effect in journey.By with the addition of exterior protection supporting layer, the service life of filter cloth is improved, reducing the replacing of filter cloth
The difficulty of construction of water-locator is dismantled in the frequency, and small space.
Brief description of the drawings
Fig. 1 is a kind of sectional view of easy water-locator exterior protection supporting layer of the present invention.
Fig. 2 is a kind of 1/4 close-up schematic view of easy water-locator exterior protection support layer cross section of the present invention.
Fig. 3 is a kind of exterior protection supporting layer structure chart of easy water-locator of the present invention.
Fig. 4 is a kind of sectional view of the exterior protection supporting layer of easy water-locator of the present invention.
Fig. 5 is the inner standoff layer structure chart of water-locator in the present invention.
Fig. 6 is a kind of open type round clasp structural representation of easy water-locator of the present invention.
Fig. 7 is a kind of wire-grid structure schematic diagram of easy water-locator of the present invention.
As shown in the figure：1st, exterior protection supporting layer, 2, middle part aperture plate layer, 3, inner standoff layer, 4, accurate filter screen, 5, V-type
Groove, 6, disengaging aquaporin, 7, V-type fragment retainer ring, 8, exterior protection supporting layer internal thread interface, 9, inner standoff layer main body, 10,
Aperture plate support ring, 11, reverse outer silk screw thread, 12, snap ring headspace, 13, open type round clasp, 14, outer silk screw thread, 15,
Aperture plate, 16, accurate filter screen compacting point.
Embodiment
A kind of easy water-locator, including exterior protection supporting layer 1, middle part aperture plate layer 2, inner standoff layer 3, in described
The covering of the outer surface of portion's aperture plate layer 2 is provided with accurate filter screen 4.
The exterior protection supporting layer 1 includes being spaced the V-groove 5 for particle buffering, the interval of V-groove 5
Provided with disengaging aquaporin 6, the outside of V-groove 5 is provided with the V-type fragment retainer ring 7 for being used for fixing V-groove 5, the exterior protection
One end of supporting layer 1 is provided with exterior protection supporting layer internal thread interface 8, and the other end of the exterior protection supporting layer 1 is tied for sealing
Structure.
The inner standoff layer 3 includes inner standoff layer main body 9, and set is equipped with aperture plate in the inner standoff layer main body 9
Support ring 10, one end of the inner standoff layer main body 9 are provided with reverse outer silk screw thread 11, and the reversely outer silk screw thread 11 is close to interior
One end of portion's support layer main body 9 is provided with snap ring headspace 12, and clamping is fixed smart provided with being used on the snap ring headspace 12
The other end of reverse outer silk screw thread 11 is provided with outer silk screw thread 14 described in the open type round clasp 13 of close filter screen 4.
The middle part aperture plate layer 2 includes aperture plate 15, and one end of the aperture plate 15 is provided with snap ring headspace 12, the precision
Filter screen 2 is fixed by exterior protection supporting construction 1 and middle part wire-grid structure 3.
Accurate filter screen compacting point 16 outside the angle of V-groove 5 with the accurate junction of filter screen 2 for fixed accurate filter screen 2.
The present invention is described in further detail below in conjunction with the accompanying drawings：
A kind of easy water-locator, whole water-locator are connected by hickey with the water distributor age of a draught animal；Described water distribution
Device ballistic support layer is connected in water-locator inner standoff layer 3 by screw thread internal thread, and the internal diameter of middle part aperture plate layer 2 props up to be internal
The supporting construction external diameter of layer 3 is supportted, middle part aperture plate layer 2 can be connected lengthening by way of splicing；Described middle part aperture plate layer 2
Total length plus bottom opening formula round clasp 13 total length in fact water-locator inner standoff layer 3 support layer segment length
Degree, can specifically be adjusted according to the actual requirements；Described water-locator exterior protection supporting layer 1 and middle part aperture plate layer 2 it
Between have 1~3mm spacing, for install 1~2 layer of tubbiness precision filter screen 4；Described accurate filter screen 4 is using sewing
Barrel-like structure, the diameter of its barrel-like structure is equal to the external diameter of middle part aperture plate layer 2, and the length of tubbiness precision filter screen 4 is more than middle part
The total length of aperture plate layer 2, and marginal space is left, compressed for open type round clasp 13；Described simple water-locator
Assembling flow path is middle part aperture plate layer 2 to be socketed in into the body structure surface of inner standoff layer 3, snap ring sky is left in bottom, by accurate filter cloth cover
The surface of aperture plate layer 2 at middle part, the openend compacting of accurate filter cloth is shut using open type round clasp 13, water distribution is finally installed
The exterior protection supporting layer 1 of device；The inside of described water-locator exterior protection layer is that accurate filter screen 4 suppresses point, and what is taken is round
Arc formula is suppressed, and the radian of the accurate compacting of filter screen 4 point 8 is equal to the outside radian of middle part aperture plate layer 2, and the compacting of radian is different from the edge of a knife
Formula straight line is suppressed, and it improves the compacting area to accurate filter screen 4, while reduces the injury to accurate filter screen 4, improves filter
The service life of net.
What the outer silk screw thread 14 that described water-locator connects with the water distributor age of a draught animal was taken is the mode of positive direction screw thread, and cloth
What the outer silk screw thread 14 of hydrophone and exterior protection layer was taken is the screw thread reverse with screw thread, and the purpose for taking opposite screw thread exists
When, the actual use of water-locator, outer silk screw thread 14 can be filled by fine particle fraction, cause water-locator to be difficult to dismantle, tearing open
When unloading, by hold water-locator ballistic support layer can maximum dynamics water-locator is unloaded, and now whole is exterior protection branch well
The direction that support layer 1 is tightened with water-locator.When dismounting and change water-locator filter screen, its flow is to hold to prevent outside water-locator
Supporting layer 1 is protected, water-locator is disassembled from water distribution pipeline, then outwards winding exterior protection supporting layer 1, removes open type circle
Snap ring 13, tubbiness precision filter screen 4 is taken off, the tubbiness precision filter screen 4 more renewed, card upper opening type round clasp 13, installation outside
Ballistic support layer 1, whole water-locator is finally installed in water distribution pipeline.
In water-locator pipeline outwards positive flush discharge, now, current pass sequentially through middle part aperture plate layer 2, accurate filter screen 4,
Exterior protection supporting layer 1, during positive rinse thus accurate overcoat is resisted by the protection of exterior protection supporting layer 1
The bulbs of pressure from inside to outside, cause when pressure is excessive accurate overcoat can be protected to be unlikely to burst.Square impact is arranged
During water, when current are by exterior protection supporting layer 1, water stream channel can narrow, at the most edge of water stream channel, i.e. V-type piece
The bottom of section, it may appear that narrow and small vortex phenomenon, rotating vortex now has cleaning function to the accurate surface of filter screen 4, with complete
The fine particle on the accurate surface of filter screen 4 is removed entirely.And now, the particulate matter in external solution is inclined when running into square impact draining
Accurate filter screen 4 is improved to the frequent impact of accurate 4 layers of filter screen to particulate matter in being deposited on V-groove 5, is thus protected
Service life.
When water-locator backwashes, now current pass sequentially through exterior protection supporting layer 1, accurate filter screen 4, middle part aperture plate layer
2, water-locator, which plays a part of isolating particulate matter, during backwash is not discharged, accurate overcoat 2 now by
To pressure from the outside to the core, and middle part aperture plate layer 2 provides resistance support force for it, thus protects accurate overcoat.In water-locator
Backwash process among, particulate matter has a drainage channel being deposited between adjacent V-groove 5 of part in water, and V-type
The effect of groove 5 is, avoid particulate matter in water the accurate surface of filter screen 4 slip and frequently impact.Therefore,
Adjacent V-groove 5 should keep appropriate space, to avoid the very big deposition of particulate matter, hinder recoil flow velocity.When equipment is cut
During shifting to square impact, the deposited particles on the surface of accurate filter screen 4 can be rinsed totally, to reach self-cleaning purpose.
The exterior protection layer that described water-locator is formed by with the addition of V-groove 5, makes water-locator departing from traditional band
The mode of bundled fixed precision filter screen 4, promote accurate filter screen 4 and middle part aperture plate layer 2 to bear excessive interior pressure, avoid
The expansion necrosis of middle part aperture plate layer 2 and accurate filter screen 4.Meanwhile described water-locator can be applied to unit for treating water body
Free-hand installation and dismounting in internal small space.
Described above is only the preferred embodiment of the present invention, it is noted that is come for one of ordinary skill in the art
Say, without departing from the concept of the premise of the invention, make some modifications and variations, these belong to the protection model of the present invention
Enclose.
Claims (5)
- A kind of 1. easy water-locator, it is characterised in that：Including exterior protection supporting layer (1), middle part aperture plate layer (2), internal branch Layer (3) is supportted, the covering of described middle part aperture plate layer (2) outer surface is provided with accurate filter screen (4).
- A kind of 2. easy water-locator according to claim 1, it is characterised in that：Exterior protection supporting layer (1) bag The V-groove (5) being spaced for particle buffering is included, V-groove (5) interval is provided with disengaging aquaporin (6), the V-type The V-type fragment retainer ring (7) for being used for fixing V-groove (5) is provided with the outside of groove (5), one end of the exterior protection supporting layer (1) is set There is exterior protection supporting layer internal thread interface (8), the other end of the exterior protection supporting layer (1) is sealing structure.
- A kind of 3. easy water-locator according to claim 1, it is characterised in that：The inner standoff layer (3) includes interior Portion supports layer main body (9), is covered on the inner standoff layer main body (9) and is equipped with aperture plate support ring (10), the inner standoff layer One end of main body (9) is provided with reverse outer silk screw thread (11), and the reversely outer silk screw thread (11) is close to inner standoff layer main body (9) One end is provided with snap ring headspace (12), and clamping is provided with for fixing accurate filter screen (4) on the snap ring headspace (12) The other end of open type round clasp (13) the reversely outer silk screw thread (11) is provided with outer silk screw thread (14).
- A kind of 4. easy water-locator according to claim 1, it is characterised in that：The middle part aperture plate layer (2) includes grid Net (15), one end of the aperture plate (15) are provided with snap ring headspace (12), and the accurate filter screen (2) is supported by exterior protection Structure (1) and middle part wire-grid structure (3) are fixed.
- A kind of 5. easy water-locator according to claim 2, it is characterised in that：It is outside V-groove (5) angle and smart Point (16) is suppressed for the accurate filter screen of fixed accurate filter screen (2) in close filter screen (2) junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070930.4A CN107854882A (en) | 2017-11-03 | 2017-11-03 | A kind of easy water-locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070930.4A CN107854882A (en) | 2017-11-03 | 2017-11-03 | A kind of easy water-locator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107854882A true CN107854882A (en) | 2018-03-30 |
Family
ID=61700657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711070930.4A Pending CN107854882A (en) | 2017-11-03 | 2017-11-03 | A kind of easy water-locator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107854882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092495A (en) * | 2019-06-03 | 2019-08-06 | 广东泽蓝膜科技有限公司 | Hydrocone type combined filtration component and purifier |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2075454C1 (en) * | 1995-03-29 | 1997-03-20 | Валерий Григорьевич Лурий | Slime water clarification apparatus |
| CN2709646Y (en) * | 2004-06-30 | 2005-07-13 | 胡才志 | External separate depressure type precision sand-proof pipe |
| CN1673486A (en) * | 2005-03-08 | 2005-09-28 | 詹其国 | V-shape precision micro-seam self-cleaning sandproof sieve tube |
| CN201031671Y (en) * | 2007-04-20 | 2008-03-05 | 易会安 | Bridge type composite sieve tube |
| CN201344027Y (en) * | 2009-01-21 | 2009-11-11 | 河北恒英金属制品有限公司 | Sand control pipe with spiral welded outer pipe and integral cog-type inner pipe |
| CN101704577A (en) * | 2009-04-28 | 2010-05-12 | 武汉绿沃环保技术设备有限公司 | Double-tube water distribution device with biomembrane reaction of subsurface flow type constructed wetland |
| CN203663519U (en) * | 2014-01-15 | 2014-06-25 | 上海开能环保设备股份有限公司 | Upper water distributor and raw water filter equipment comprising same |
| WO2016166775A2 (en) * | 2015-04-16 | 2016-10-20 | Council Of Scientific & Industrial Research | A device for groundwater iron removal and the process thereof |
-
2017
- 2017-11-03 CN CN201711070930.4A patent/CN107854882A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2075454C1 (en) * | 1995-03-29 | 1997-03-20 | Валерий Григорьевич Лурий | Slime water clarification apparatus |
| CN2709646Y (en) * | 2004-06-30 | 2005-07-13 | 胡才志 | External separate depressure type precision sand-proof pipe |
| CN1673486A (en) * | 2005-03-08 | 2005-09-28 | 詹其国 | V-shape precision micro-seam self-cleaning sandproof sieve tube |
| CN201031671Y (en) * | 2007-04-20 | 2008-03-05 | 易会安 | Bridge type composite sieve tube |
| CN201344027Y (en) * | 2009-01-21 | 2009-11-11 | 河北恒英金属制品有限公司 | Sand control pipe with spiral welded outer pipe and integral cog-type inner pipe |
| CN101704577A (en) * | 2009-04-28 | 2010-05-12 | 武汉绿沃环保技术设备有限公司 | Double-tube water distribution device with biomembrane reaction of subsurface flow type constructed wetland |
| CN203663519U (en) * | 2014-01-15 | 2014-06-25 | 上海开能环保设备股份有限公司 | Upper water distributor and raw water filter equipment comprising same |
| WO2016166775A2 (en) * | 2015-04-16 | 2016-10-20 | Council Of Scientific & Industrial Research | A device for groundwater iron removal and the process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092495A (en) * | 2019-06-03 | 2019-08-06 | 广东泽蓝膜科技有限公司 | Hydrocone type combined filtration component and purifier |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180330 |
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| RJ01 | Rejection of invention patent application after publication |