CN104740924B - Hydroturbine propelled microfilter - Google Patents
Hydroturbine propelled microfilter Download PDFInfo
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- CN104740924B CN104740924B CN201510089539.3A CN201510089539A CN104740924B CN 104740924 B CN104740924 B CN 104740924B CN 201510089539 A CN201510089539 A CN 201510089539A CN 104740924 B CN104740924 B CN 104740924B
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Abstract
The invention relates to the technical field of filtration equipment and relates to a hydroturbine propelled microfilter. The hydroturbine propelled microfilter comprises a holder, a filter screen component, a cleaning pipe and a hydroturbine, wherein the hydroturbine is fixedly mounted on the holder; the filter screen component which is cylindrical and can be driven by the hydroturbine to rotate around own axis is mounted on the holder; a filtered water outlet is formed in the filter screen component; the cleaning pipe located above the axis of the filter screen component is arranged in the filter screen component; water outlets all capable of jetting water in the pipe to the inner wall of the filter screen component are transversely formed in the cleaning pipe at intervals. The hydroturbine propelled microfilter is reasonable and compact in structure; the hydroturbine is capable of pushing the filter screen component to rotate around the own axis, and meanwhile, a high-pressure fluid can be input into the cleaning pipe; as a result, water returned by the hydroturbine can be effectively utilized and the utilization rate of the high-pressure water source for driving the hydroturbine is improved; besides, back washing can be completed at the same time of filtering; the filtering efficiency is high, the back washing is thorough and blockage can be avoided.
Description
Technical field
The present invention relates to filter plant technical field, it is a kind of hydroturbine promotion type Microfilter.
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 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 using, raw water to be separated with sandstone and suspension.Currently to raw water
The common method carrying out separation of solid and liquid has：Natural subsidence, sandstone filter and net formula filters etc..Natural subsidence is that raw water is introduced one
In the pond of constant volume, in the case of water flowing is slow, sand grains in raw water and other impurity sedimentation, in basin bottom, are realized
Separation of solid and liquid to raw water；It is as filter medium using the sandstone of certain particle diameter that sandstone filters, and raw water is used as filtration by described
The sandstone of medium, the sand grains in water and other impurity are intercepted at filter medium sandstone surface or and adsorb internal, at filtration
The water of reason delivers to next link through filter medium sandstone it is achieved that separation of solid and liquid to raw water；Net formula filters to be made with filter screen
Realize separation of solid and liquid for filter medium, belong to known category, no longer describe.When natural sedimentation is taken to all types of raw waters,
Proportion is more than the debris such as the sandstone of water and is deposited in basin bottom, but the organic-biological suspending in water and algae etc. cannot effectively go
Remove, this kind of debris will affect the efficiency of agricultural water-saving irrigation, and easily block next stage equipment.It is by pressure that sandstone filters
Container or with natural subsidence in pond comprehensive function, but can be limited by capacity using pressure vessel, it processes water
Less efficient, and backwash effect on driving birds is not good, need frequent backwash；Sandstone filters comprehensively above-mentioned using being similarly subjected to natural subsidence
Limitation, is not repeated；Additionally as the sandstone of filter medium, between sandstone, also there is space, the surface area of sand grains increases, and is inhaling
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, in the dirt sucking device that this device includes be contained in filter and by the High-Pressure Water injection apparatus on water flow jet to filter screen,
It but can yet suffer from following problem with the impurity on flushing filtering net although it can improve the effect of backwash：The
One, because the filtering direction of raw water is outwards to filter from its interior, the impurity being contained in raw water will adsorb 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 through high pressure water washing is attached to filter
Impurity on net inwall is more difficult to remove；Second, in whole backwash process, filter screen outer wall becomes flushing blind area, is attached to outside it
The impurity of side will be unable to effectively remove, thus its overall filter effect can be affected；3rd, in the raw water system of low-pressure,
The defect that the backwash effect of such filter is not good enough still cannot effectively solving；4th, above-mentioned filter type pressurizes for water pump
After filter, water pump is unprotected.
Content of the invention
The invention provides a kind of hydroturbine promotion type Microfilter, overcome the deficiency of above-mentioned prior art, it can be effective
The efficiency solving the filtration that existing filter exists is low, easily blocks, and the effect of anti-cleaning is poor, backwash need to be repeated several times, and miscellaneous
Matter easily remains the problem it is impossible to effectively remove.
The technical scheme is that and realized by following measures：A kind of hydroturbine promotion type Microfilter, including solid
Determine frame, filtering net part, cleaning pipe and water turbine, water turbine is installed with fixed mount, fixed mount is installed
Have and be cylindrical in shape and can be driven and the filtering net part around own axis by water turbine, filtering net part is provided with drainage and goes out
Mouthful, it is provided with the cleaning pipe above its axis in filtering net part, cleaning pipe is spaced laterally apart all can be by pipe
Water is sprayed onto the delivery port of filtering net part inwall, and the liquid outlet of water turbine is communicated with the import of cleaning pipe.
Further optimization and/or improvements to foregoing invention technical scheme are presented herein below：
Above-mentioned filtering net part may include central shaft, screen tube and annular end cap, is provided with central shaft on fixed mount, corresponding
About central shaft, between two ends, the central shaft outer sheath of position, equipped with screen tube, fixedly mounts on two ends about screen tube respectively
Endoporus is had to be sleeved on the annular end cap outside central shaft；The middle part of central shaft and right part are water exit end, and the middle part of water exit end has
Aquaporin and filtered water outlet are located at the right-hand member of water exit end, be intervally distributed with the drainage that can communicate with exhalant canal and enter on water exit end
Mouthful.
The left side of above-mentioned central shaft can be cleaning section, and the right-hand member of cleaning section is fixed together with the left end of water exit end, cleaning
The entrance that there are flushing channel and flushing channel in the middle part of section is located at the left end of cleaning section；Set between the import of cleaning pipe and cleaning section
There is the connecting tube that can connect flushing channel and cleaning tube cavity；It is installed with the power output shaft of water turbine actively
Wheel, is installed with driven pulley outside the annular end cap of side, is provided with conveyer belt or driving-chain between driving wheel and driven pulley
Bar；Be provided between the liquid outlet and the entrance of cleaning section of water turbine communicate therewith respectively turn liquid pipe.
Above-mentioned can be provided with the support bar being against outside cleaning pipe right-hand member between water exit end and the right-hand member of cleaning pipe.
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.
The above-mentioned filter screen fixation side that can circumferentially be intervally distributed with outside screen tube leads to.
Above-mentioned all can be provided with and the manhole communicating inside screen tube on the annular end cap of one or both sides, on manhole
It is sealed and installed with access panel.
The above-mentioned left and right two ends in fixed mount all can be provided with crossbeam, two with rearward position on front side of corresponding filtering net part
It is equipped with the floating drum above filtering net part axis between crossbeam.
Above-mentioned nozzle all can be fixed with each delivery port.
Present configuration is reasonable and compact, easy to use, and it can promote filtering net part around itself axle by water turbine
Line rotates, and can input high-pressure fluid into cleaning pipe simultaneously, so can effectively utilizes water turbine backwater, improve driving water
The utilization rate of the high-pressure water of power turbine；It can be made to integrate filtration and backwash by increasing cleaning pipe, and can filter
While complete counter clean, the efficiency high of filtration, backwash thoroughly, is not easily blocked, it be can ensure that by uninterrupted flushing filtering net cylinder
The stability of screen tube filter efficiency, and do not need to be interrupted filtration operation again and exclusively carry out backwash, filter efficiency can be improved；Logical
Cross and set up the stability that central shaft can improve screen tube transmission；Entered from drainage entrance by the water after filter making to filter through filtering net cylinder
Extracted out by water pump from its outlet after entering exhalant canal, the suction of water pump can be made to focus in exhalant canal, thus largely
Reduce the active force that water pump suction is pointed to the water inside and outside screen tube, less impurity can be prevented effectively from and produce under forceful action
Give birth to deformation and pass through filter opening, and adhesive force outside screen tube for the impurity can be weakened, further enhance filtration and backwash effect；Logical
Cross and set up floating drum the present invention can be made to suspend upwards, and waterline and screen tube axis can be adjusted by adjusting the aeration quantity in floating drum
Between relative position so that it can be suitably used in various environment, be particularly suited for reservoir under natural conditions, irrigation canals and ditches, river
Source water filtration under the environment such as stream, lake is processed, and will not be lifted by waterline and affected so as to have good applicable
Property；In addition also can be prevented effectively from impurity entrance water pump affects its normal work, contributes to extending the service life of water pump.
Brief description
Accompanying drawing 1 is the main view broken section structural representation of preferred embodiment.
Accompanying drawing 2 is the left view structural representation of accompanying drawing 1.
Accompanying drawing 3 is the perspective view of accompanying drawing 1.
Coding in accompanying drawing is respectively：1 is fixed mount, and 2 is cleaning pipe, and 3 is water turbine, and 4 is filtered water outlet, and 5 are
Delivery port, 6 is screen tube, and 7 is annular end cap, and 8 is water exit end, and 9 is drainage entrance, and 10 is cleaning section, and 11 is connecting tube, and 12 are
Driving wheel, 13 is driven pulley, and 14 is driving chain, and 15 is to turn liquid pipe, and 16 is crossbeam, and 17 is floating drum, and 18 is support bar, and 19 is filter
Net fixation side leads to, and 20 is access panel.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme determine specifically with actual conditions
Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each part is all according to Figure of description 1
Butut mode being described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is the Butut according to Figure of description
Direction is determining.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in accompanying drawing 1,2,3, this hydroturbine promotion type Microfilter includes fixed mount 1, filtering net part, cleaning pipe 2 and water
Power turbine 3, is installed with water turbine 3 on fixed mount 1, fixed mount 1 is provided with and is cylindrical in shape and can pass through waterpower
Turbine 3 drives and the filtering net part around own axis, and filtering net part is provided with filtered water outlet 4, sets in filtering net part
There is the cleaning pipe 2 above its axis, cleaning pipe 2 is spaced laterally apart and all the water in pipe can be sprayed onto in filtering net part
The delivery port 5 of wall, the liquid outlet of water turbine 3 is communicated with the import of cleaning pipe 2.In use, the present invention is suspended
In the raw water to be filtered of certain capacity, waterline is made to be located between cleaning pipe 2 and the axis of filtering net part, by filtered water outlet 4
It is connected with the entrance of water pump, the outlet of water pump is linked together with user's next stage equipment, and now filtering net part will be in waterpower
Around own axis in the presence of turbine 3, high-pressure fluid can be inputted into cleaning pipe 2 simultaneously, so can effectively utilizes water
The backwater of power turbine 3, improves the utilization rate of the high-pressure water driving water turbine 3；Then raw water will be by filtering net part
Enter in filtering net part after filtration, extract laggard access customer end finally by water pump out from filtered water outlet 4, in this process, be located at
Cleaning pipe 2 in filtering net part persistently will spray water under high pressure to constant bearing by the liquid outlet of water turbine 3 and delivery port 5
Post, because filtering net part rotates continuous, therefore filtering net part can carry out anti-washing and cleaning operation while filtering raw water, because former
The filtering direction of water be from outside to inside and this process mainly by raw water Action of Gravity Field, impurity will be attached to filter screen in this process
On member outside wall and adhesive force is less, then removed by water jets under high pressure back flush；Present configuration is simple, user
Just, by increase cleaning pipe 2 can make its integrate filtration and backwash, and can filtration while complete counter clean, filtration
Efficiency high, backwash thoroughly, is not easily blocked, it can ensure that stablizing of filtering net part filter efficiency by uninterrupted flushing filtering net part
Property, and do not need to be interrupted filtration operation again and exclusively carry out backwash, filter efficiency can be improved；Impurity also can be prevented effectively from and enter water
Affect its normal work in pump, contribute to extending the service life of water pump.
According to actual needs above-mentioned hydroturbine promotion type Microfilter can be made further optimization and/or improvements：
As shown in accompanying drawing 1,2,3, filtering net part includes central shaft, screen tube 6 and annular end cap 7, installs on fixed mount 1
Have a central shaft, about corresponding central shaft between two ends the central shaft outer sheath of position equipped with screen tube 6, in screen tube 6 about two
Endoporus is installed with respectively on end and is sleeved on the annular end cap 7 outside central shaft；The middle part of central shaft and right part are water exit end
8, the middle part of water exit end 8 has exhalant canal and filtered water outlet 4 is located at the right-hand member of water exit end 8, is intervally distributed with energy on water exit end 8
The drainage entrance 9 communicating with exhalant canal.In use, after raw water is passed through in screen tube 6 filtration entrance screen tube 6, will
Enter in exhalant canal by drainage entrance 9, then more laggard access customer end is extracted out from filtered water outlet 4 by water pump, it passes through to increase
If central shaft can improve the stability of screen tube 6 transmission；Entered from drainage entrance 9 by the water after filter making to filter through filtering net cylinder 6
Extracted out by water pump from filtered water outlet 4 after entering exhalant canal, the suction of water pump can be made to focus in exhalant canal, thus largely
On reduce the active force that water pump suction is pointed to the water inside and outside screen tube 6, less impurity can be prevented effectively from forceful action
Lower generation deformation and pass through filter opening, and the adhesive force in screen tube 6 outside for the impurity can be weakened, further enhance filtration and backwash effect
Really.According to demand, screen tube 6 can adopt existing known technology, such as tubular high accuracy filter screen etc..
As shown in accompanying drawing 1,2,3, the left side of central shaft is cleaning section 10, the left end of the right-hand member of cleaning section 10 and water exit end 8
It is fixed together, the entrance that there are flushing channel and flushing channel in the middle part of cleaning section 10 is located at the left end of cleaning section 10；Cleaning pipe 2
Import and cleaning section 10 between be provided with the connecting tube 11 that can connect flushing channel and cleaning pipe 2 inner chamber；Water turbine 3 dynamic
Driving wheel 12 is installed with power output shaft, is installed with driven pulley 13, driving wheel 12 outside the annular end cap 7 of side
It is provided with conveyer belt or driving chain 14 and driven pulley 13 between；The liquid outlet of water turbine 3 and cleaning section 10 entrance it
Between be provided with communicate therewith respectively turn liquid pipe 15.Connecting tube 11 can be played a supporting role to cleaning pipe 2, will be cleaned with connecting tube 11
Passage and cleaning pipe 2 inner space can ensure that cleaning pipe 2 can not rotate with screen tube 6, and can shorten delivery port 5 with to be rinsed
The distance at position, contributes to strengthening backwash effect.According to demand, the outlet turning liquid pipe 15 can entering by ball valve and flushing channel
Mouth links together, so that the hydraulic pressure of delivery port 5 is adjustable.
As shown in accompanying drawing 1,2,3, it is provided between the right-hand member of water exit end 8 and cleaning pipe 2 and can be against outside cleaning pipe 2 right-hand member
Support bar 18.Support bar 18 and connecting tube 11 can be played a supporting role to cleaning pipe 2 jointly, strengthen in water turbine 3
The stability of the lower shower of effect.
As shown in accompanying drawing 1,2,3, the diameter parallel of the axis of cleaning pipe 2 and screen tube 6 and misaligned, the spray of delivery port 5
Water direction is consistent to the direction of cleaning pipe 2 axis with from screen tube 6 axis, and each delivery port 5 forms linear array.So may be used
Make between cleaning pipe 2 and the axis of screen tube 6 formed spacing, and shorten between delivery port 5 and screen tube to be rinsed 6 position away from
From thus strengthening being sprayed onto irrigation pressure on screen tube 6, strengthening its backwash effect.
As shown in accompanying drawing 1,2,3, circumferentially it is intervally distributed with filter screen fixation side outside screen tube 6 and leads to 19.So can increase
The intensity of strong screen tube 6, extends its service life.
As shown in accompanying drawing 1,2,3, the annular end cap 7 of one or both sides is equipped with and the inspection communicating inside screen tube 6
Repair hole, manhole is sealed and installed with access panel 20.So it can be made to overhaul convenient, and can prevent debris from entering filter screen
In cylinder 6.
As shown in accompanying drawing 1,2,3, be equipped with crossbeam 16 at the left and right two ends of fixed mount 1, on front side of corresponding filtering net part and
It is equipped with the floating drum 17 above filtering net part axis between two crossbeams 16 of rearward position.According to demand, floating drum 17 can
Using existing known technology, identical with the quantity of the floating drum 17 of rearward position and be all at least one positioned at screen tube 6 front side, and
Quantity positioned at screen tube 6 front side and the floating drum 17 of rearward position is preferably all two；It is arranged on crossbeam 16 on fixed mount 1
Upper-lower position can adjust.The present invention can be made to suspend upwards by setting up floating drum 17, and can by the aeration quantity adjusting in floating drum 17
Relative position between adjustment waterline and screen tube 6 axis, so that it can be suitably used in various environment, is particularly suited for certainly
Source water filtration under the environment such as the reservoir under the conditions of so, irrigation canals and ditches, river, lake is processed, and will not be lifted by waterline
Impact is so as to have good applicability.
As shown in accompanying drawing 1,2,3, each delivery port 5 is respectively and fixedly provided with nozzle.So can shorten further delivery port 5 with
The distance between screen tube 6 position to be rinsed, strengthens the irrigation pressure being sprayed onto on screen tube 6, strengthens its backwash effect；According to need
Ask, nozzle can adopt existing known technology, such as pressurized nozzle, pressure regulation nozzle etc..
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal enforcement effect
Really, non-essential technical characteristic can be increased and decreased according to actual needs, to meet the demand of different situations.
Claims (10)
1. a kind of hydroturbine promotion type Microfilter is it is characterised in that include fixed mount, filtering net part, cleaning pipe and water turbine
Machine, is installed with water turbine on fixed mount, fixed mount is provided with and is cylindrical in shape and can be driven by water turbine
And the filtering net part around own axis, filtering net part is provided with filtered water outlet, is provided with positioned at its axis in filtering net part
The cleaning pipe of top, cleaning pipe is spaced laterally apart the delivery port that the water in pipe all can be sprayed onto filtering net part inwall, water
The liquid outlet of power turbine is communicated with the import of cleaning pipe；Wherein：Filtering net part includes central shaft, screen tube and annular end cap,
Central shaft is provided with fixed mount, about corresponding central shaft between two ends the central shaft outer sheath of position equipped with screen tube,
Endoporus is installed with respectively on two ends about screen tube and is sleeved on the annular end cap outside central shaft；The middle part of central shaft and the right side
Portion is water exit end, and the middle part of water exit end has exhalant canal and filtered water outlet is located at the right-hand member of water exit end, interval point on water exit end
It is furnished with the drainage entrance that can communicate with exhalant canal.
2. hydroturbine promotion type Microfilter according to claim 1 is it is characterised in that the left side of central shaft is cleaning section, clearly
The left end of the right-hand member and water exit end of washing section is fixed together, and the middle part of cleaning section has flushing channel and the entrance of flushing channel is located at
The left end of cleaning section；It is provided with the connecting tube that can connect flushing channel and cleaning tube cavity between the import of cleaning pipe and cleaning section；
It is installed with driving wheel on the power output shaft of water turbine, be installed with driven outside the annular end cap of side
Wheel, is provided with conveyer belt or driving chain between driving wheel and driven pulley；In the liquid outlet of water turbine and the entrance of cleaning section
Between be provided with communicate therewith respectively turn liquid pipe.
3. hydroturbine promotion type Microfilter according to claim 2 is it is characterised in that right-hand member in water exit end and cleaning pipe
Between be provided with the support bar being against outside cleaning pipe right-hand member.
4. the hydroturbine promotion type Microfilter according to claim 1 or 2 or 3 is it is characterised in that the axis of cleaning pipe and filter
The diameter parallel of net cylinder and misaligned, the water spraying direction of delivery port is consistent to the direction of cleaning pipe axis with from screen tube axis,
And each delivery port forms linear array.
5. the hydroturbine promotion type Microfilter according to claim 1 or 2 or 3 it is characterised in that outside screen tube along circle
Weekly interval is distributed with filter screen fixation side and leads to；Or/and, the annular end cap of one or both sides is equipped with and communicates with inside screen tube
Manhole, manhole is sealed and installed with access panel.
6. hydroturbine promotion type Microfilter according to claim 4 is it is characterised in that be circumferentially spaced outside screen tube
Filter screen fixation side is distributed with lead to；Or/and, the annular end cap of one or both sides is equipped with and the maintenance communicating inside screen tube
Hole, manhole is sealed and installed with access panel.
7. the hydroturbine promotion type Microfilter according to claim 1 or 2 or 3 is it is characterised in that left and right two in fixed mount
End is equipped with crossbeam, is equipped with positioned at filtering net part axis on front side of corresponding filtering net part and two crossbeams of rearward position between
The floating drum of top；Or/and, each delivery port is respectively and fixedly provided with nozzle.
8. hydroturbine promotion type Microfilter according to claim 4 is it is characterised in that be all provided with the left and right two ends of fixed mount
There is crossbeam, be equipped with above filtering net part axis and two crossbeams of rearward position between on front side of corresponding filtering net part
Floating drum；Or/and, each delivery port is respectively and fixedly provided with nozzle.
9. hydroturbine promotion type Microfilter according to claim 5 is it is characterised in that be all provided with the left and right two ends of fixed mount
There is crossbeam, be equipped with above filtering net part axis and two crossbeams of rearward position between on front side of corresponding filtering net part
Floating drum；Or/and, each delivery port is respectively and fixedly provided with nozzle.
10. hydroturbine promotion type Microfilter according to claim 6 is it is characterised in that be all provided with the left and right two ends of fixed mount
There is crossbeam, be equipped with above filtering net part axis and two crossbeams of rearward position between on front side of corresponding filtering net part
Floating drum；Or/and, each delivery port is respectively and fixedly provided with nozzle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510089539.3A CN104740924B (en) | 2015-02-27 | 2015-02-27 | Hydroturbine propelled microfilter |
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| CN201510089539.3A CN104740924B (en) | 2015-02-27 | 2015-02-27 | Hydroturbine propelled microfilter |
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| CN104740924B true CN104740924B (en) | 2017-02-22 |
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| CN105498341A (en) * | 2016-01-21 | 2016-04-20 | 新疆石达赛特科技有限公司 | Filter |
| CN106233947A (en) * | 2016-08-04 | 2016-12-21 | 贵州民康生态牧业有限公司 | Cutter sweep for the ensilage of sheep raising |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204723866U (en) * | 2015-02-27 | 2015-10-28 | 新疆一源节水设备有限公司 | Hydroturbine repulsive-type maglev Microfilter |
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| KR20090126423A (en) * | 2008-06-04 | 2009-12-09 | 거진산업주식회사 | Treatment apparatus for suspended solids using filter membrane |
| KR101444401B1 (en) * | 2011-03-16 | 2014-10-01 | 주식회사 해양수산연구개발 | Dredging apparatus of exhaust possibility filtration system |
| CN202555051U (en) * | 2012-04-27 | 2012-11-28 | 中冶南方(武汉)威仕工业炉有限公司 | Refined filtering device for high-pressure backlash rotating filter cylinder |
| CN203507658U (en) * | 2013-02-01 | 2014-04-02 | 徐立华 | Hydraulically driven drum screen type sewage slag remover |
| CN203355433U (en) * | 2013-02-16 | 2013-12-25 | 徐立华 | Hydraulic drive mesh belt type sewage dreg remover |
| CN203315848U (en) * | 2013-04-24 | 2013-12-04 | 徐立华 | Hydraulically driven vertical shaft screen slag remover for sewage |
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| CN204723866U (en) * | 2015-02-27 | 2015-10-28 | 新疆一源节水设备有限公司 | Hydroturbine repulsive-type maglev Microfilter |
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Inventor after: Wang Duohui Inventor after: Yan Jimi Inventor after: Li Xiaolong Inventor after: Liu Yajin Inventor after: Huang Yong Inventor before: Zhang Qinglin Inventor before: Yan Jimi Inventor before: Li Xiaolong Inventor before: Liu Yajin Inventor before: Huang Yong |
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