CN107737479A - A kind of filter of external flush pipe - Google Patents
A kind of filter of external flush pipe Download PDFInfo
- Publication number
- CN107737479A CN107737479A CN201711099318.XA CN201711099318A CN107737479A CN 107737479 A CN107737479 A CN 107737479A CN 201711099318 A CN201711099318 A CN 201711099318A CN 107737479 A CN107737479 A CN 107737479A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- filter
- flush pipe
- pipe
- core
- 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 claims abstract description 30
- 238000011010 flushing procedure Methods 0.000 claims abstract description 22
- 239000010865 sewage Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 75
- 239000010959 steel Substances 0.000 claims description 75
- 238000007789 sealing Methods 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of filter of external flush pipe, including flushing machine, cylinder and the core cylinder in cylinder, the inside of cylinder offers water inlet and delivery port respectively for cavity and both ends, and the top open part of cylinder is provided with strainer cover；Uniformly offer some filter openings on the barrel of core cylinder, the one end open of core cylinder and be detachably connected with delivery port, the outside projection of the other end of core cylinder and diameter tapers into；Flushing machine includes blow-off pipe and flush pipe, offers sewage draining exit on cylinder, one end of blow-off pipe is connected with sewage draining exit, and the other end of blow-off pipe is provided with blind flange；The first perforation and the second perforation are offered on cylinder and core cylinder respectively, one end of flush pipe is connected through the first perforation and with the second perforation.The present invention improves filter synthesis performance, and the structure of outer flushing can ensure the working stability of filter, extend filter life.
Description
Technical field
The present invention relates to art of filters, specifically, be related to it is a kind of be applied to it is impure in supply and drain water system liquid stream or
The filter of particle environments installation, is related specifically to a kind of filter of external flush pipe.
Background technology
Pipe-line system reclaimed water typically enters pipeline by priming reservoir at present, is filtered by filter, and after long-time, those are dirty
Thing, impurity or particle are but assembled in screen pack, form impurity screening layer, and these debris rinse not comprehensive enough do in existing structure
Only, the normal use of filter has been had a strong impact on.
The content of the invention
It is an object of the invention to for deficiency of the prior art, there is provided a kind of filter of external flush pipe, with solution
Certainly above mentioned problem.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of filter of external flush pipe, including cylinder, core cylinder and flushing machine, the internal cavities of cylinder, cylinder
Left and right ends offer water inlet and delivery port respectively, the open top of cylinder and are provided with strainer cover in its opening；Core cylinder
In cylinder, the inside of core cylinder is uniformly to offer some filter openings, the one end open and opening of core cylinder on cavity and its barrel
The bore of size and delivery port is adapted, and the openend of core cylinder is detachably connected with delivery port, the outside projection of the other end of core cylinder
And diameter tapers into；The flushing machine includes blow-off pipe and flush pipe, and sewage draining exit, one end of blow-off pipe are offered on cylinder
It is connected with sewage draining exit, the other end of blow-off pipe is provided with blind flange；The first perforation and second are offered respectively on cylinder and core cylinder
Perforation, one end of flush pipe are connected through the first perforation and with the second perforation.
Further, the end of the core cylinder is pyramidal structure, and core cylinder includes screen pack and for supporting screen pack
Steel band support body, steel band support body include some upper steel bands around screen pack axle center annular spread and lower steel band, lower steel band and upper steel band
The inner side and outer side of screen pack is respectively arranged on, the depth direction that lower steel band and upper steel band prolong screen pack is set；Steel band support body is also
Including circumference steel band, circumference steel band is cyclic structure and the bore of its bore and screen pack is adapted, circumference steel band and screen pack
Ring side wall fit.
Further, the core cylinder is connected by filter core flange with cylinder, and the end of core cylinder is pyramidal structure and its outside
Filter core cover is installed；Handle is also equipped with the side wall of core cylinder.
Further, it is provided with if the strainer cover is connected by bolt stem with cylinder, between strainer cover and cylinder close
Packing.
Further, the water inlet of the cylinder and water outlet are connected to suction flange and outlet(discharge) flange, core cylinder
It is connected with cylinder by screw；The bottom of cylinder is also equipped with support frame.
Further, the flush pipe includes flush pipe part one and flush pipe part two, and flush pipe part one is arranged in
In first perforation, one end of flush pipe part one is connected by the second perforation with the inside of core cylinder；Flush pipe part two is located at
The outside of cylinder, the end of flush pipe part two are connected with the other end of flush pipe part one.
Further, the flush pipe part one includes the first seamless steel pipe, and the first seamless steel pipe is by rinsing pipe flange
Mutually fixed with cylinder；Flush pipe part two includes three-way connection and two the second seamless steel pipes, a joint of three-way connection
On be connected with articulation, on two other joint of three-way connection by pipe joint respectively with two the second seamless steel pipes one
End is connected；First seamless steel pipe, one end are connected with plug screw, and the other end is connected with the second seamless steel pipe.
Compared with prior art, beneficial effects of the present invention are as follows：
When the present invention is cleaned by external flush pipe configured filter blowdown, import and export valve is closed, opens blow-off pipe
Blind flange, screen pack attachment is washed out by external flushing water, flowed out through blow-off pipe, completes the cleaning of filter screen.
Energy-conserving and environment-protective of the present invention, reduce clearance time, improve cleaning screen pack efficiency, reduce and change screen pack work
Amount, improves service life, facilitates user's finer selection and maintenance；The advantages of facilitating with low pressure loss and blowdown, convenient disassembly,
Installing space is small.The defects of loss that overcomes conventional filter is big, installing space is big, will be attached to by the pressure of running water
The dirt particle of screen pack washes out, and reaches thoroughly comprehensive cleaning, meets the requirement of energy-conserving and environment-protective.The present invention improves filtering
Device integrates performance, and the structure of outer flushing can ensure the working stability of filter, extend filter life.
1st, it is high to rinse precision, external flush pipe 360 degrees omnidirection is high to screen pack flushing, booty, particle clearance；
2nd, flushing speed is fast, is more than 2 times of original structure；
3rd, rational in infrastructure, floor space is small；
4th, detachable maintaining is convenient, and duct type installation, only need to open cover can carry out screen replacing；
5th, have a wide range of application, can meet that different operating modes use.
Brief description of the drawings
Fig. 1 is the structural representation of the filter of external flush pipe of the present invention.
Fig. 2 is Fig. 1 of the present invention left view.
Fig. 3 is the structural representation of flush pipe part one of the present invention.
Fig. 4 is the structural representation of flush pipe part two of the present invention.
Fig. 5 is the structural representation of core cylinder of the present invention.
Fig. 6 is enlarged drawing at Fig. 5 of the present invention A.
Fig. 7 is enlarged drawing at Fig. 5 of the present invention B.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Referring to Fig. 1~Fig. 7, a kind of filter of external flush pipe of the present invention is the outer flushing mechanism of through type band,
It is directly connected to pipeline, including cylinder 10, core cylinder 20 and flushing machine.The internal cavities of cylinder 10, the left and right ends of cylinder 10
Water inlet and delivery port are offered respectively.The open top of cylinder 10 and it is provided with strainer cover 30 in its opening.Core cylinder 20 is set
In in cylinder 10, some filter openings are uniformly offered on the internal cavities of core cylinder 20 and its barrel.The one end open of core cylinder 20 and open
The bore of mouth size and delivery port is adapted.The openend of core cylinder 20 is detachably connected with delivery port, the other end of core cylinder 20 to
Outer projection and diameter tapers into.The flushing machine includes blow-off pipe 40 and flush pipe, and sewage draining exit is offered on cylinder 10.Row
One end of dirty pipe 40 is connected with sewage draining exit, and the other end of blow-off pipe 40 is provided with blind flange 41 by bolt assembly 42.Cylinder 10
With offer the first perforation and the second perforation on core cylinder 20 respectively, one end of flush pipe through the first perforation and with the second perforation phase
Even.
The end of core cylinder 20 is pyramidal structure, and core cylinder 20 includes screen pack 22 and the steel band frame for supporting screen pack 22
Body.It can be connected between steel band support body and screen pack 22 by bolt part 221.Steel band support body includes some around the axle center ring of screen pack 22
The upper steel band 211 and lower steel band 212 of shape distribution.Lower steel band 212 and upper steel band 211 are respectively arranged on the inner side of screen pack 22 and outer
Side, the depth direction that lower steel band 212 and upper steel band 211 prolong screen pack 22 are set.Steel band support body also includes circumference steel band 213,
Circumference steel band 213 is adapted for the bore of cyclic structure and its bore and screen pack 22, the ring of circumference steel band 213 and screen pack 22
Fitted to side wall.
Core cylinder 20 is connected by filter core flange 23 with cylinder 10, and the end of core cylinder 20 is provided with for pyramidal structure and its outside
Filter core cover 24.Handle 25 is also equipped with the side wall of core cylinder 20.
If strainer cover 30 is connected by bolt stem 31 with cylinder 10, sealing gasket is provided between strainer cover 30 and cylinder 10
32。
The water inlet and water outlet of cylinder 10 are connected to suction flange 11 and outlet(discharge) flange 12, core cylinder 20 and cylinder
10 are connected by screw 13.The bottom of cylinder 10 is also equipped with support frame 14.
Flush pipe includes flush pipe part 1 and flush pipe part 2 60.Flush pipe part 1 is arranged in the first perforation
In, one end of flush pipe part 1 is connected by the second perforation with the inside of core cylinder 20.Flush pipe part 2 60 is located at cylinder
The outside of body 10, the end of flush pipe part 2 60 are connected with the other end of flush pipe part 1.
Flush pipe part 1 includes the first seamless steel pipe 51, and the first seamless steel pipe 51 is by rinsing pipe flange 52 and cylinder
10 phases are fixed.Flush pipe part 2 60 includes three-way connection 61 and two the second seamless steel pipes 62, one of three-way connection 61
Articulation 63 is connected with joint.On two other joint of three-way connection 61 by pipe joint 64 respectively with two the second nothings
One end of seam steel pipe 62 is connected.First seamless steel pipe 51, one end are connected with plug screw 53, the other end and the phase of the second seamless steel pipe 62
Even.
The present invention is horizontal type structure, and import and export flange uses national standard flange (chemical standard), and is provided with pressure gauge, can
Inlet and outlet pressure is tested.The symmetric design of support frame 14 of bottom, the stability of filter can be strengthened.It is equipped with cylinder 10
Water (flow) direction label, it can determine whether to import and export position.Designed without cover, make structure compacter.Inlet and outlet and pipeline horizontal connection,
Side sets blow-off pipe 40, and pump terminal valve need to be only closed when plugged filter, the blind flange 41 of blow-off pipe 40 is opened, by rushing
Wash the external flushing water of pipeline to be rinsed, the structure ensures that debris flows out with liquid stream, and cleaning is simple and convenient.Flush pipe part 1
It is welded to by flushing pipe flange 52 and is process and loads out on first seamless steel pipe 51 on porose core cylinder 20, it is solid with bolt 54
It is fixed, sealing ring 55 is installed between the first seamless steel pipe 51 and the first perforation；Then it is flush pipe part 2 60 is (seamless by second
The connections such as steel pipe 62, pipe joint 64, three-way connection 61, articulation 63 and ball valve form) load flush pipe part 1 and can make
With.The core cylinder 20 of filter is that head is taper by folder screen pack 22 among upper and lower steel band 212, and between pass through welding, screw
The mode such as be connected interfixes.And be connected with filter core flange 23, the structure is also equipped with filter core cover 24, the mistake with flow impact prevention
Early damage filter screen, whole core cylinder 20 belong to change and tear formula structure open, and outer flushing mechanism is to enter core by perforate on screen pack 22, flush pipe
Comprehensive flushing is carried out in cylinder 20.Screen pack 22 can also be changed as requested, it is not necessary to filter is entirely split out from pipeline, is beaten
Opened filter lid 30, pulls down screw, is proposed by handle 25.The assembly material of core cylinder 20 is mostly stainless steel, will according to using
Ask, unlike material can be selected.
The theoretical foundation of the present invention is as follows：
1st, rinse water movement and belong to constant pressure flow free discharge problem, flush pipe water inlet is terminated with pressing water source, and water flows through
The loss of flood peak declines after crossing flush pipe, is rinsed in core cylinder, flushing pipe frictional head loss can be calculated by Darcy formula.Rinse
Water is calculated as follows：
(1) flush pipe both ends hydraulic pressure and the relation of the pipeline loss of flood peak are：
Hi-Hj=hij
In formula：Hi、HjThe hydraulic pressure (meter water column) at-flush pipe water-in and water-out both ends
hij- flush pipe the loss of flood peak (meter water column)
(2) flush pipe frictional head loss can be calculated by Darcy formula：
In formula：λ-resistance coefficient
G-acceleration of gravity (m/s2)
L-length (m)
d1- flush pipe bore (m)
Q-flow (m3/s)
(3) flush pipe water flow calculates
In formula：μ-discharge coefficient (for 0.82)
d2- water outlet flush pipe bore (m)
(4) pipe flushing water：
Qc=Q × T
In formula：Qc- flush pipe flow (m3/s)
T-flush pipe washing time (s)
2nd, when suction line device filter, total area of passage of its filter screen is no less than less than inlet tube mouth area
2~3 times.
The installation and occupation mode of the present invention is as follows：
1st, core cylinder：
(1) by circumference steel band, lower steel band, connected with welding manner；
(2) screen pack is spread, filter net openings (flush pipe may pass through), rear first spot welding is completed and fixes；
(3) fixation is clamped after steel wire is completed with steel band；
(4) drilled on steel band；
(5) welded flange, handle；
2nd, cylinder
(1) reducing tubular construction, as requested, blank use seamless steel pipe；
(2) seamless steel pipe cuts hole, and cylinder side steel plate and seamless steel pipe are welded；
(3) strainer cover adpting flange is processed, and is welded；
(4) perforate on cylinder, and flush pipe adpting flange is welded on cylinder；
(5) blow-off pipe and and barrel soldering are done with seamless steel pipe blanking；
(6) destressing is handled；
3rd, strainer cover
(1) using steel plate processing filter flange；
(2) gusset (steel plate), pipe joint (standard component), handle (stainless steel) are welded on strainer cover；
4th, flush pipe part
(1) flush pipe part one is process by seamless steel pipe and steel plate, is loaded cylinder and is fixed；
(2) flush pipe part two is that standard component ball valve, articulation, threeway, pipe joint, steel pipe etc. are formed by connecting, and is loaded
Flush pipe part one, it is passed through flushing liquor and is rinsed.
5th, it is connected with live pipeline
(1) pipeline being connected with filter should have independent, firm supporting, to cut down the vibration of pipeline and prevent pipeline
Weight pressure on the filter.
(2) foundation bolt is passed through into filter pin hole, nut is pre-installed, on the basis of equipment handling to once grouting；
(3) adjust wedge-shaped parallels correction water to put down, levelness tolerance is：0.5 millimeters meter of longitudinal direction, horizontal 0.5 millimeters meter；
(4) carry out second to be in the milk, must not pay attention to during grouting and touch equipment, keep foundation bolt vertical in basic Kong Zhongying
Place.Anchor (bolt) hole and wedge-shaped parallels are filled, to filter floor；
6th, outer flushing
(1) compressor emergency shutdown, cut off the electricity supply；
(2) unit import and export valve is closed, ensures valve without damage when closing valve；
(3) mudhole blind flange is unclamped, plug screw is removed and loads flush pipe part, be passed through outer water receiving and be rinsed.
7th, screen pack is changed：
(1) compressor emergency shutdown, cut off the electricity supply；
(2) dismantle strainer cover connecting bolt, core cylinder and flange attachment screw, propose core cylinder；
(3) dismantle all fixing screws on core cylinder, upper steel band is taken away, changes screen pack and simultaneously cleans cylinder；
(4) by pull down reverse order installation；
(5) poured water before starting to unit and filter, checking phenomena such as each sealing surface of filter is without water clock, infiltration rear
It can start shooting.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of filter of external flush pipe, including cylinder, the left and right ends of cylinder offer water inlet and delivery port respectively,
It is characterized in that：Also include core cylinder and flushing machine, the internal cavities of cylinder and are provided with the open top of cylinder in its opening
Strainer cover；Core cylinder uniformly offers some filter openings, one end of core cylinder in cylinder on the internal cavities of core cylinder and its barrel
Opening and the bore of openings of sizes and delivery port be adapted, the openend of core cylinder is detachably connected with delivery port, core cylinder it is another
Hold outside projection and diameter tapers into；The flushing machine includes blow-off pipe and flush pipe, and sewage draining exit is offered on cylinder, row
One end of dirty pipe is connected with sewage draining exit, and the other end of blow-off pipe is provided with blind flange；First is offered respectively on cylinder and core cylinder
Perforation and the second perforation, one end of flush pipe are connected through the first perforation and with the second perforation.
2. the filter of external flush pipe according to claim 1, it is characterised in that：The end of the core cylinder is taper knot
Structure, core cylinder include screen pack and the steel band support body for supporting screen pack, and steel band support body includes some around screen pack axle center ring
The upper steel band and lower steel band of shape distribution, lower steel band and upper steel band are respectively arranged on the inner side and outer side of screen pack, lower steel band and upper steel
The depth direction that band prolongs screen pack is set；Steel band support body also includes circumference steel band, and circumference steel band is cyclic structure and its bore
It is adapted with the bore of screen pack, the ring side wall of circumference steel band and screen pack fits.
3. the filter of external flush pipe according to claim 1, it is characterised in that：The core cylinder by filter core flange with
Cylinder is connected, and the end of core cylinder is provided with filter core cover for pyramidal structure and its outside；Handle is also equipped with the side wall of core cylinder.
4. the filter of external flush pipe according to claim 1, it is characterised in that：The strainer cover passes through some spiral shells
Bolt is connected with cylinder, and sealing gasket is provided between strainer cover and cylinder.
5. the filter of external flush pipe according to claim 1, it is characterised in that：The water inlet of the cylinder and water outlet
Suction flange and outlet(discharge) flange are connected at mouthful, core cylinder is connected with cylinder by screw；The bottom of cylinder is also equipped with propping up
Support.
6. the filter of external flush pipe according to claim 1, it is characterised in that：The flush pipe includes flush tube portion
Part one and flush pipe part two, flush pipe part one are arranged in the first perforation, and one end of flush pipe part one is worn by second
The inside of Kong Yuxin cylinders is connected；Flush pipe part two is located at the outside of cylinder, the end of flush pipe part two and flush tube portion
The other end of part one is connected.
7. the filter of external flush pipe according to claim 6, it is characterised in that：The flush pipe part one includes the
One seamless steel pipe, the first seamless steel pipe are mutually fixed by rinsing pipe flange with cylinder；Flush pipe part two include three-way connection with
And two the second seamless steel pipes, articulation is connected with a joint of three-way connection, on two other joint of three-way connection
It is connected by the one end of pipe joint respectively with two the second seamless steel pipes；First seamless steel pipe, one end are connected with plug screw, another
End is connected with the second seamless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099318.XA CN107737479A (en) | 2017-11-09 | 2017-11-09 | A kind of filter of external flush pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099318.XA CN107737479A (en) | 2017-11-09 | 2017-11-09 | A kind of filter of external flush pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107737479A true CN107737479A (en) | 2018-02-27 |
Family
ID=61234372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711099318.XA Pending CN107737479A (en) | 2017-11-09 | 2017-11-09 | A kind of filter of external flush pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107737479A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101095992A (en) * | 2006-06-28 | 2008-01-02 | 上海上龙阀门厂 | Technique for reducing energy dissipation for the through-flow type filter |
| CN201470189U (en) * | 2009-07-26 | 2010-05-19 | 张明亮 | Filter |
| CN103638738A (en) * | 2013-12-27 | 2014-03-19 | 云南铝业股份有限公司 | Straight-through type filter capable of free-disassembly cleaning |
| CN203763957U (en) * | 2014-02-11 | 2014-08-13 | 江苏万兴石油装备有限公司 | Self-cleaning filtering device |
| CN204447524U (en) * | 2015-01-26 | 2015-07-08 | 马景岗 | Steel welding straight-through filter |
| CN205019831U (en) * | 2015-08-28 | 2016-02-10 | 安徽嘉乐斯乐净化工程有限公司 | Circulation water filter for humidifier sprays |
| CN206508625U (en) * | 2017-02-04 | 2017-09-22 | 上海瑞晨环保科技有限公司 | Straight-through type filter |
-
2017
- 2017-11-09 CN CN201711099318.XA patent/CN107737479A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101095992A (en) * | 2006-06-28 | 2008-01-02 | 上海上龙阀门厂 | Technique for reducing energy dissipation for the through-flow type filter |
| CN201470189U (en) * | 2009-07-26 | 2010-05-19 | 张明亮 | Filter |
| CN103638738A (en) * | 2013-12-27 | 2014-03-19 | 云南铝业股份有限公司 | Straight-through type filter capable of free-disassembly cleaning |
| CN203763957U (en) * | 2014-02-11 | 2014-08-13 | 江苏万兴石油装备有限公司 | Self-cleaning filtering device |
| CN204447524U (en) * | 2015-01-26 | 2015-07-08 | 马景岗 | Steel welding straight-through filter |
| CN205019831U (en) * | 2015-08-28 | 2016-02-10 | 安徽嘉乐斯乐净化工程有限公司 | Circulation water filter for humidifier sprays |
| CN206508625U (en) * | 2017-02-04 | 2017-09-22 | 上海瑞晨环保科技有限公司 | Straight-through type filter |
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Application publication date: 20180227 |