CN104740925B - Floating self-cleaning micro-filtration before pump - Google Patents
Floating self-cleaning micro-filtration before pump Download PDFInfo
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- CN104740925B CN104740925B CN201510089547.8A CN201510089547A CN104740925B CN 104740925 B CN104740925 B CN 104740925B CN 201510089547 A CN201510089547 A CN 201510089547A CN 104740925 B CN104740925 B CN 104740925B
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- screen tube
- cleaning
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- end cap
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Abstract
The present invention relates to filter plant technical field, it is floating self-cleaning micro-filtration before a kind of pump, including fixed mount, central shaft, screen tube, annular end cap and cleaning pipe, central shaft is installed on fixed mount, the central shaft outer sheath of position is equipped with screen tube between correspondence central shaft or so two ends, is installed with annular end cap of the inner hole sleeve on the outside of central shaft respectively on screen tube or so two ends；Central shaft includes cleaning section and water exit end, and the right-hand member of cleaning section is fixed together with the left end of water exit end.Reasonable and compact in structure of the present invention, it can improve the stability that screen tube is driven by setting up central shaft；It can be made to integrate filtering and backwash by increasing cleaning pipe, and anti-cleaning can be completed while filtering, the efficiency high of filtering, backwash is thorough, it is not easily blocked, it can ensure that the stability of screen tube filter efficiency by uninterrupted flushing filtering net cylinder, and need not be interrupted filtration operation again and exclusively carry out backwash, can improve filter efficiency.
Description
Technical field
It is floating self-cleaning micro-filtration before a kind of pump the present invention relates to filter plant technical field.
Background technology
Northern shortage of water resources, current Water Consumption in Agriculture occupies the main part of total water consumption, alleviates water resource supply and demand lance
Shield, sets up long-acting water-saving agriculture mechanism, and the reasonable application for realizing water resource is the only way which must be passed of Developing Water-saving Agriculture.In order to reach
To water-saving irrigation drip irrigation water standard, then require when in use to separate raw water with sandstone and suspension.Currently to raw water
The common method for carrying out separation of solid and liquid has：Natural subsidence, sandstone filtering and the filtering of net formula etc..Natural subsidence is that raw water is introduced into one
In the pond of constant volume, in the case of water flowing is slow, sand grains and other impurity sedimentations in raw water are realized in basin bottom
To the separation of solid and liquid of raw water；Sandstone filtering is that, using the sandstone of certain particle diameter as filter medium, raw water is used as filtering by described
The sandstone of medium, sand grains and other impurity in water are intercepted at filter medium sandstone surface or internal with absorption, at filtering
The water of reason is sent to next link through filter medium sandstone, realizes the separation of solid and liquid to raw water；The filtering of net formula is made with filter screen
For filter medium realizes separation of solid and liquid, belong to known category, no longer describe.When taking natural sedimentation to all types of raw waters,
Proportion is deposited in basin bottom more than the debris such as sandstone of water, but the organic-biological that suspends in water and algae etc. cannot effectively go
Remove, this kind of debris will influence the efficiency of agricultural water-saving irrigation, and easily block next stage equipment.Sandstone filtering is by pressure
Container or with natural subsidence in pond comprehensive function, but can be limited by capacity using pressure vessel, its treatment water
It is less efficient, and backwash effect on driving birds is not good is, it is necessary to frequently backwash；Sandstone filters comprehensively above-mentioned using being similarly subjected to natural subsidence
Limitation, is not repeated；Additionally as the sandstone of filter medium, also there is space between sandstone, the surface area increase of sand grains is being inhaled
Under attached effect, the organic matter in water is intercepted, and destroys as the organic substance needed for agricultural water.
The Chinese patent literature of Publication No. CN101402010A discloses a kind of flushing dress of electric control self-cleaning strainer
Put, the device include being contained in it is in the dirt sucking device of filter and by the High-Pressure Water injection apparatus on water flow jet to filter screen,
It although it can improve the effect of backwash, but can be still present following problem with the impurity on flushing filtering net：The
One, because the filtering direction of raw water is outwards filtered from its interior, the impurity being contained in raw water will be adsorbed in this process
On the inwall of filter screen, and the high pressure water jets shooting method of High-Pressure Water injection apparatus is consistent with the filtering direction of raw water, therefore, its
In backwash process, still have partial impurities and be attached on the inwall of filter screen, and this part by high pressure water washing is attached to filter
Impurity on net inwall is more difficult to remove；Second, filter screen outer wall turns into flushing blind area in whole backwash process, is attached to outside it
The impurity of side will be unable to effectively removal, so as to its overall filter effect can be influenceed；3rd, in the raw water system of low-pressure,
The defect that the backwash effect of such filter is not good enough still cannot be solved effectively；4th, above-mentioned filter type pressurizes for water pump
After filter, water pump is unprotected.
The content of the invention
The invention provides floating self-cleaning micro-filtration before a kind of pump, the deficiency of above-mentioned prior art is overcome, its energy
The efficiency for effectively solving the filtering that existing filter is present is low, easily blocks, and the effect of anti-cleaning is poor, and backwash need to be repeated several times,
And impurity is easily remained, it is impossible to the problem effectively removed.
The technical scheme is that realized by following measures：Floating self-cleaning micro-filtration before a kind of pump, bag
Fixed mount, central shaft, screen tube, annular end cap and cleaning pipe are included, central shaft, correspondence central shaft or so two is installed on fixed mount
The central shaft outer sheath of position is equipped with screen tube between end, and being installed with inner hole sleeve respectively on screen tube or so two ends is mounted in
Annular end cap on the outside of central shaft；Central shaft includes cleaning section and water exit end, and the right-hand member of cleaning section is fixed with the left end of water exit end
Together, there is the entrance of flushing channel and flushing channel in the middle part of cleaning section positioned at the left end of cleaning section, have in the middle part of water exit end
Positioned at the right-hand member of water exit end, being intervally distributed with water exit end can communicate with exhalant canal for the outlet of exhalant canal and exhalant canal
Drainage entrance；The cleaning pipe above its axis is provided with screen tube, and has been spaced laterally apart on cleaning pipe
Water in pipe can be sprayed onto the delivery port on screen tube inwall, be provided with to connect between the left end and cleaning section that clean pipe and cleaned logical
The connecting tube in road and cleaning tube cavity.
Here is the further optimization and/or improvements to foregoing invention technical scheme：
The axis of above-mentioned cleaning pipe can be parallel and misaligned with the axis of screen tube, the water spraying direction of delivery port with from filter screen
The direction of cylinder axis to cleaning pipe axis is consistent, and each delivery port forms linear array.
It is above-mentioned that nozzle can be fixed with each delivery port.
The above-mentioned left and right two ends in fixed mount can be provided with crossbeam, two horizontal strokes on front side of correspondence screen tube with rearward position
The floating drum above screen tube axis is equipped between beam.
It is above-mentioned that the Power Drive Unit that screen tube can be driven to rotate, Power Drive Unit can be installed with fixed mount
Including motor and decelerator, driving wheel is installed with the power output shaft of decelerator, it is solid on the outside of the annular end cap of side
Dingan County is equipped with driven pulley, and conveyer belt or driving chain are provided between driving wheel and driven pulley.
The above-mentioned filter screen fixation side that can be circumferentially intervally distributed with the outside of screen tube leads to.
It is above-mentioned that the manhole communicated with inside screen tube can be provided with the annular end cap of one or both sides, on manhole
It is sealed and installed with access panel.
Reasonable and compact in structure of the present invention, easy to use, it can improve the stabilization that screen tube is driven by setting up central shaft
Property；It can be made to integrate filtering and backwash by increasing cleaning pipe, and anti-cleaning, the effect of filtering can be completed while filtering
Rate is high, and backwash thoroughly, is not easily blocked, its stability that screen tube filter efficiency is can ensure that by uninterrupted flushing filtering net cylinder, and
Filtration operation need not be interrupted again and exclusively carry out backwash, filter efficiency can be improved；By after the filter for making to be filtered through filtering net cylinder
Water is extracted out from its outlet after entering exhalant canal from drainage entrance by water pump, and the suction of water pump can be made to focus in exhalant canal,
So as to largely reduce the active force of the water that water pump suction is pointed to inside and outside screen tube, less impurity can be prevented effectively from
Deformation is produced under forceful action and filter opening is passed through, and adhesive force of the impurity on the outside of screen tube can be weakened, and further enhanced
Filtering and backwash effect；Can make suspension upwards of the invention by setting up floating drum, and can be adjusted by adjusting the aeration quantity in floating drum
Relative position between waterline and screen tube axis, so that during it can be suitably used for various environment, being particularly suited for nature bar
Source water filtration treatment under the environment such as reservoir, irrigation canals and ditches, river, lake under part, and will not be influenceed by waterline lifting,
Make it have good applicability；Impurity can be also prevented effectively from addition to enter in water pump and influence its normal work, help to prolong
The service life of water pump long.
Brief description of the drawings
Accompanying drawing 1 is the main structure diagram of preferred embodiment.
Accompanying drawing 2 is the right side structural representation of accompanying drawing 1.
Accompanying drawing 3 is the dimensional structure diagram of accompanying drawing 1.
Coding in accompanying drawing is respectively：1 is fixed mount, and 2 is screen tube, and 3 is annular end cap, and 4 manage for cleaning, and 5 is cleaning
Section, 6 is water exit end, and 7 is drainage entrance, and 8 is delivery port, and 9 is connecting tube, and 10 is crossbeam, and 11 is floating drum, and 12 is motor, and 13 are
Decelerator, 14 is driving wheel, and 15 is driven pulley, and 16 is driving chain, and 17 is support bar, and 18 is logical for filter screen fixation side, and 19 is inspection
Build plate.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme and actual conditions determine specifically
Implementation method.
In the present invention, for the ease of description, the description of the relative position relation of each part is according to Figure of description 1
Butut mode be described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to the Butut of Figure of description
Direction determines.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in accompanying drawing 1,2,3, floating self-cleaning micro-filtration includes fixed mount 1, central shaft, screen tube 2, ring before the pump
Shape end cap 3 and cleaning pipe 4, are provided with the central shaft outside of position between central shaft, correspondence central shaft or so two ends on fixed mount 1
Screen tube 2 is set with, annular end cap of the inner hole sleeve on the outside of central shaft is installed with respectively on the two ends of screen tube 2 or so
3；Central shaft includes cleaning section 5 and water exit end 6, and right-hand member and the left end of water exit end 6 of cleaning section 5 are fixed together, cleaning section 5
The entrance that there are flushing channel and flushing channel in middle part is located at the left end of cleaning section 5, and there are exhalant canal and water outlet in the middle part of water exit end 6
The outlet of passage is intervally distributed with the drainage entrance 7 that can be communicated with exhalant canal positioned at the right-hand member of water exit end 6 on water exit end 6；
The cleaning pipe 4 above its axis is provided with the screen tube 2, and be spaced laterally apart on cleaning pipe 4 can be in pipe
Water be sprayed onto delivery port 8 on the inwall of screen tube 2, be provided between the left end and cleaning section 5 that clean pipe 4 can connect flushing channel and
The connecting tube 9 of cleaning pipe 4 inner chamber.In use, the present invention is suspended in the raw water to be filtered of certain capacity, makes water level
Line is located between cleaning pipe 4 and the axis of screen tube 2, and installing driving additional on screen tube 2 be able to will go out around own axis
The outlet of aquaporin is connected with the entrance of water pump, and outlet and user's next stage equipment of water pump link together, logical in cleaning
High-pressure water is accessed on the entrance in road；Then enter in screen tube 2 after raw water will be filtered by screen tube 2, then entered by drainage
Mouth 7 enters in exhalant canal, and laggard access customer end, in this process, position are extracted out from the outlet of exhalant canal finally by water pump
Water jets under high pressure persistently will be sprayed to constant bearing by high-pressure water and delivery port 8 in the cleaning pipe 4 in screen tube 2, due to filter
Net cylinder 2 is continuously rotating, therefore screen tube 2 can carry out anti-washing and cleaning operation while raw water is filtered, because the filtering side of raw water
To for from outside to inside and the process mainly by raw water Action of Gravity Field, impurity will in this process be attached to the lateral wall of screen tube 2
Go up and adhesive force is smaller, then removed by water jets under high pressure back flush；Simple structure of the present invention, easy to use, it passes through to increase
If central shaft can improve the stability of the transmission of screen tube 2；It can be made to integrate filtering and backwash by increasing cleaning pipe 4, and
Anti- cleaning can be completed while filtering, the efficiency high of filtering, backwash thoroughly, is not easily blocked, and it passes through uninterrupted flushing filtering net
Cylinder 2 can ensure that the stability of the filter efficiency of screen tube 2, and need not be interrupted filtration operation again and exclusively carry out backwash, can improve
Filter efficiency；Exported by water pump from it after making the water after filter through the filtering of filtering net cylinder 2 to enter exhalant canal from drainage entrance 7
Extract out, the suction of water pump can be made to focus in exhalant canal, so that largely reducing water pump suction is pointed to screen tube 2
The active force of inside and outside water, can be prevented effectively from less impurity and deformation is produced under forceful action and filter opening is passed through, and can weaken
Adhesive force of the impurity on the outside of screen tube 2, and further enhance filtering and backwash effect；Impurity entrance can be also prevented effectively from addition
Its normal work is influenceed in water pump, helps to extend the service life of water pump.According to demand, screen tube 2 can use existing public affairs
Know technology, such as tubular high accuracy filter screen；High-pressure water can separate tributary and provide from the exit of pump of user, make the branch
Stream is linked together by ball valve with the entrance of flushing channel, so as to simplify overall structure, reduces cost.
Floating self-cleaning micro-filtration before said pump can be made further optimization and/or improvements according to actual needs：
As shown in accompanying drawing 1,2,3, the diameter parallel of the axis with screen tube 2 of pipe 4 and misaligned, the spray of delivery port 8 are cleaned
Water direction is consistent to the direction of the cleaning axis of pipe 4 with from the axis of screen tube 2, and each delivery port 8 forms linear array.So may be used
Form spacing between the axis for making cleaning pipe 4 and screen tube 2, and shorten between delivery port 8 and the position of screen tube to be rinsed 2 away from
From so as to strengthen the irrigation pressure being sprayed onto on screen tube 2, strengthening its backwash effect.
As shown in accompanying drawing 1,2,3, nozzle is respectively and fixedly provided with each delivery port 8.So can further shorten delivery port 8 with
The distance between position of screen tube to be rinsed 2, reinforcement is sprayed onto the irrigation pressure on screen tube 2, strengthens its backwash effect；According to need
Ask, nozzle can use existing known technology, such as pressurized nozzle, pressure regulation nozzle.
As shown in accompanying drawing 1,2,3, crossbeam 10 is equipped with the left and right two ends of fixed mount 1, in the front side of correspondence screen tube 2 with after
The floating drum 11 above the axis of screen tube 2 is equipped between two crossbeams 10 of side position.According to demand, floating drum 11 can be used
Existing known technology, it is identical with the quantity of the floating drum 11 of rearward position and at least one positioned at the front side of screen tube 2, and be located at
The quantity of the floating drum 11 of the front side of screen tube 2 and rearward position is preferably all two；Crossbeam 10 on fixed mount 1 it is upper and lower
Position-adjustable.Can make suspension upwards of the invention by setting up floating drum 11, and be can adjust by adjusting the aeration quantity in floating drum 11
Relative position between waterline and the axis of screen tube 2, so that during it can be suitably used for various environment, being particularly suited for nature bar
Source water filtration treatment under the environment such as reservoir, irrigation canals and ditches, river, lake under part, and will not be influenceed by waterline lifting,
Make it have good applicability.
As shown in accompanying drawing 1,2,3, the Power Drive Unit that screen tube 2 can be driven to rotate is installed with fixed mount 1,
Power Drive Unit includes motor 12 and decelerator 13, and driving wheel 14 is installed with the power output shaft of decelerator 13,
The outside of annular end cap 3 of side is installed with driven pulley 15, and conveyer belt or transmission are provided between driving wheel 14 and driven pulley 15
Chain 16.So it can be become one, it is being used the preceding shortening set-up time, improve installation effectiveness；According to demand,
Power Drive Unit can also use other existing known technologies.
As shown in accompanying drawing 1,2,3, being provided between the right-hand member of water exit end 6 and cleaning pipe 4 can be against on the outside of the cleaning right-hand member of pipe 4
Support bar 17.Support bar 17 and connecting tube 9 can play a supporting role to cleaning pipe 4, strengthen it in the presence of high-pressure water
The stability of shower.
As shown in accompanying drawing 1,2,3, filter screen fixation side logical 18 is circumferentially intervally distributed with the outside of screen tube 2.Can so increase
The intensity of strong screen tube 2, extends its service life.
As shown in accompanying drawing 1,2,3, the inspection communicated with inside screen tube 2 is equipped with the annular end cap 3 of one or both sides
Hole is repaiied, access panel 19 is sealed and installed with manhole.Its maintenance can so more facilitated, and can prevent debris from entering filter screen
In cylinder.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal implementation effect
Really, can according to actual needs increase and decrease non-essential technical characteristic to meet the demand of different situations.
Claims (9)
1. floating self-cleaning micro-filtration before a kind of pump, it is characterised in that including fixed mount, central shaft, screen tube, annular end cap
Managed with cleaning, central shaft is installed on fixed mount, the central shaft outer sheath of position is equipped with filter between correspondence central shaft or so two ends
Net cylinder, is installed with annular end cap of the inner hole sleeve on the outside of central shaft respectively on screen tube or so two ends；Central shaft bag
Cleaning section and water exit end are included, the right-hand member of cleaning section is fixed together with the left end of water exit end, there is flushing channel in the middle part of cleaning section
And the entrance of flushing channel is located at the left end of cleaning section, has exhalant canal in the middle part of water exit end and the outlet of exhalant canal is located at out
The right-hand member of water section, is intervally distributed with the drainage entrance that can be communicated with exhalant canal on water exit end；It is provided with screen tube and is located at
Cleaning pipe above its axis, and be spaced laterally apart and the water in pipe can be sprayed onto on screen tube inwall on cleaning pipe
Delivery port, being provided between the left end and cleaning section that clean pipe can connect the connecting tube of flushing channel and cleaning tube cavity.
2. floating self-cleaning micro-filtration before pump according to claim 1, it is characterised in that the axis and filter screen of cleaning pipe
The diameter parallel and misaligned of cylinder, the water spraying direction of delivery port is consistent to the direction for cleaning pipe axis with from screen tube axis, and
Each delivery port forms linear array.
3. floating self-cleaning micro-filtration before pump according to claim 1 and 2, it is characterised in that on each delivery port
It is fixed with nozzle.
4. floating self-cleaning micro-filtration before pump according to claim 1 and 2, it is characterised in that in the left and right two of fixed mount
End is equipped with crossbeam, is equipped with above screen tube axis and two crossbeams of rearward position between on front side of correspondence screen tube
Floating drum.
5. floating self-cleaning micro-filtration before pump according to claim 3, it is characterised in that at the left and right two ends of fixed mount
Crossbeam is equipped with, is equipped with above screen tube axis and two crossbeams of rearward position between on front side of correspondence screen tube
Floating drum.
6. floating self-cleaning micro-filtration before pump according to claim 1 and 2, it is characterised in that the fixed peace on fixed mount
Equipped with the Power Drive Unit that screen tube can be driven to rotate, Power Drive Unit includes motor and decelerator, the power of decelerator
Driving wheel is installed with output shaft, driven pulley, driving wheel and driven pulley are installed with the outside of the annular end cap of side
Between be provided with conveyer belt or driving chain；Or/and, filter screen fixation side is circumferentially intervally distributed with the outside of screen tube and is led to；Or/
With, the manhole communicated with inside screen tube is equipped with the annular end cap of one or both sides, it is sealed and installed with manhole
Access panel.
7. floating self-cleaning micro-filtration before pump according to claim 3, it is characterised in that fixedly mounted on fixed mount
There is the Power Drive Unit that screen tube can be driven to rotate, Power Drive Unit includes motor and decelerator, and the power of decelerator is defeated
Driving wheel is installed with shaft, driven pulley is installed with the outside of the annular end cap of side, driving wheel and driven pulley it
Between be provided with conveyer belt or driving chain；Or/and, filter screen fixation side is circumferentially intervally distributed with the outside of screen tube and is led to；Or/and,
The manhole communicated with inside screen tube is equipped with the annular end cap of one or both sides, maintenance is sealed and installed with manhole
Cover plate.
8. floating self-cleaning micro-filtration before pump according to claim 4, it is characterised in that fixedly mounted on fixed mount
There is the Power Drive Unit that screen tube can be driven to rotate, Power Drive Unit includes motor and decelerator, and the power of decelerator is defeated
Driving wheel is installed with shaft, driven pulley is installed with the outside of the annular end cap of side, driving wheel and driven pulley it
Between be provided with conveyer belt or driving chain；Or/and, filter screen fixation side is circumferentially intervally distributed with the outside of screen tube and is led to；Or/and,
The manhole communicated with inside screen tube is equipped with the annular end cap of one or both sides, maintenance is sealed and installed with manhole
Cover plate.
9. floating self-cleaning micro-filtration before pump according to claim 5, it is characterised in that fixedly mounted on fixed mount
There is the Power Drive Unit that screen tube can be driven to rotate, Power Drive Unit includes motor and decelerator, and the power of decelerator is defeated
Driving wheel is installed with shaft, driven pulley is installed with the outside of the annular end cap of side, driving wheel and driven pulley it
Between be provided with conveyer belt or driving chain；Or/and, filter screen fixation side is circumferentially intervally distributed with the outside of screen tube and is led to；Or/and,
The manhole communicated with inside screen tube is equipped with the annular end cap of one or both sides, maintenance is sealed and installed with manhole
Cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089547.8A CN104740925B (en) | 2015-02-27 | 2015-02-27 | Floating self-cleaning micro-filtration before pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089547.8A CN104740925B (en) | 2015-02-27 | 2015-02-27 | Floating self-cleaning micro-filtration before pump |
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| CN104740925A CN104740925A (en) | 2015-07-01 |
| CN104740925B true CN104740925B (en) | 2017-06-27 |
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| CN201510089547.8A Active CN104740925B (en) | 2015-02-27 | 2015-02-27 | Floating self-cleaning micro-filtration before pump |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215492A (en) * | 2016-08-26 | 2016-12-14 | 巴州润棉滴灌设备有限公司 | A kind of Non-pressure filter |
| CN106818411A (en) * | 2017-01-25 | 2017-06-13 | 新疆源节水设备有限公司 | Fine deposit fine filtering device and anti-stifled formula drip irrigation system |
| CN111888827B (en) * | 2020-03-26 | 2022-05-24 | 新疆水利水电科学研究院 | Non-pressure reciprocating shaft type self-cleaning filter screen filtering device in front of pump |
| CN112827245B (en) * | 2020-12-10 | 2022-08-09 | 珠海市现代农业发展中心(珠海市金湾区台湾农民创业园管理委员会、珠海市农渔业科研与推广中心) | Crawler-type automatic micro-filter |
| CN116637438B (en) * | 2023-07-27 | 2023-10-13 | 太原华达机械设备有限公司 | Washing water recovery filtering device |
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| JP4376427B2 (en) * | 2000-06-13 | 2009-12-02 | 月島機械株式会社 | Rotating drum concentrator and sludge treatment method |
| DE102012006183A1 (en) * | 2012-03-27 | 2013-10-02 | Christian Schmid | Filtering apparatus for filtering contaminated water of pond e.g. fish pond, has driving element whose inward length portion is formed such that rubber lip portion is connected with specific region of guide device |
| CN104174204A (en) * | 2014-08-26 | 2014-12-03 | 陈亚锋 | Fluid filtering method and device |
| CN204502547U (en) * | 2015-02-27 | 2015-07-29 | 深圳市福尔沃机电设备有限公司 | Floating self-cleaning micro-filtration before pump |
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Inventor after: Yu Jian Inventor after: Shi Jigang Inventor after: Luo Peiwen Inventor after: Liu Wenbin Inventor after: Li Xiaolong Inventor after: Huang Qing Inventor after: Huang Yong Inventor before: Luo Peiwen Inventor before: Liu Wenbin Inventor before: Li Xiaolong Inventor before: Huang Qing Inventor before: Huang Yong |
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Effective date of registration: 20151130 Address after: 010000 No. 7 South Hulun Buir Road, the Inner Mongolia Autonomous Region, Hohhot Applicant after: Inner Mongolia Water Resources Research Academy Applicant after: Shenzhen Fuerwo Mechanical and Electrical Equipment Co., Ltd. Address before: 518109, Guangdong, Baoan District, Shenzhen (Longhua New District) Longhua street, river back industrial zone A1 building on the first floor Applicant before: Shenzhen Fuerwo Mechanical and Electrical Equipment Co., Ltd. |
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