CN104876323A - Water quality purification device - Google Patents
Water quality purification device Download PDFInfo
- Publication number
- CN104876323A CN104876323A CN201510229109.7A CN201510229109A CN104876323A CN 104876323 A CN104876323 A CN 104876323A CN 201510229109 A CN201510229109 A CN 201510229109A CN 104876323 A CN104876323 A CN 104876323A
- Authority
- CN
- China
- Prior art keywords
- water
- oxygenation
- cylindrical shell
- river
- oxygenation tank
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 238000000746 purification Methods 0.000 title abstract description 6
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 101
- 238000005273 aeration Methods 0.000 claims abstract description 31
- 102000004190 Enzymes Human genes 0.000 claims abstract description 15
- 108090000790 Enzymes Proteins 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 34
- 230000008569 process Effects 0.000 claims description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 15
- 230000000977 initiatory effect Effects 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 9
- 238000002640 oxygen therapy Methods 0.000 claims description 7
- 244000063299 Bacillus subtilis Species 0.000 claims description 3
- 239000008346 aqueous phase Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 208000035126 Facies Diseases 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 244000005700 microbiome Species 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a water quality purification device comprising an oxygenation aeration pump, a motor and a treated water oxygenation tank, wherein the oxygenation aeration pump is communicated with an inner cavity of the treated water oxygenation tank; the upper part of the treated water oxygenation tank is communicated with river water by virtue of a water suction pipe; a water outlet of the treated water oxygenation tank is communicated with a river pipeline distribution structure and is positioned on the side surface of the upper part of the treated water oxygenation tank; the motor is connected with a power supply by virtue of a lead; the treated water oxygenation tank comprises a cylinder and an oxygenation tank body; the oxygenation aeration pump and the motor are positioned in an inner cavity of the cylinder; a through cavity is formed in the bottom surface of the cylinder; a water inlet is formed in the side surface of the upper part of the cylinder; the water outlet of the treated water oxygenation tank is formed in the side surface of the upper part of the oxygenation tank body; a river water cavity in which a biological enzyme can be added is separated out in the inner cavity of the cylinder; the oxygenation aeration pump is communicated with an inner cavity of the river water cavity; and water outlet holes are formed in the river water cavity. The water quality purification device disclosed by the invention has the advantages that the water quality is improved, the volume is small, the application cost is low, the noise is extremely low, the beautiful appearance of a river surface is not influenced, and the water on the surface flows.
Description
Technical field
The present invention relates to a kind of river environment-friendly processing unit, especially a kind of quality purifying device for water.
Background technology
Existing a kind of application number is 201410149542.5 and is called that the Chinese invention patent of " planting the biological contact oxidation plant being used for polluted river purification of water quality " discloses a kind of structure, and its structure comprises ship type reaction tank, flase floor, biological contact filler, micro-hole aerator, rotating shaft, buoyancy aid, air pump and receiving tank.Ship type reaction tank top four end and buoyancy aid are fixed, and bottom and long limit are waterproof plate object, and minor face is flase floor, places along water (flow) direction.In ship type reaction tank, biological contact filler comprises two portions: a part is for be fixed in rotating shaft and with the filling ball of axis of rotation; A part is for hanging down into the peltate filler of water body.Adjacent shafts is connected by gear, and the rotating shaft on most limit is connected with power set.Immobilized film flexible pipe bottom ship type reaction tank, hose end is connected with air pump, establishes a circle receiving tank at periphery.This invention biological contact oxidation plant, regioselectivity is strong, controllability is strong, mobility is strong, and treatment effect is stablized, and can meet the processing requirements to polluted river water, makes the process of contaminated river water convenient stable.But its shortcoming is, not only complex structure, installs and be difficult to reach desirable position, and oxygen supply equipment oxygen utilization rate and low conversion rate, surperficial oxygenation effect is also poor, and application cost is high, and mounting structure is complicated, the improvement so its structure needs.
Summary of the invention
Technical problem to be solved by this invention provides for above-mentioned prior art present situation that a kind of project organization is reasonable, ingenious, application cost low-noise is little, can circulate and make stream and the fabulous quality purifying device for water of surperficial oxygenation effect.
The present invention solves the problems of the technologies described above adopted technical scheme: this quality purifying device for water, comprise oxygenation treater, it is characterized in that: described oxygenation treater comprises oxygenation aeration pump, drive the motor of oxygenation aeration pump, process water oxygenation tank, described oxygenation aeration pump is by oxygen delivery tube and process water oxygenation tank intracavity inter-connection, process water oxygenation tank top is communicated with river aqueous phase by water absorption tube, the water outlet of described process water oxygenation tank is connected with Pipeline River distributed architecture by outlet conduit, the water outlet of process water oxygenation tank is positioned in the upper side of process water oxygenation tank, described motor is connected with power supply by wire, described process water oxygenation tank comprises the cylindrical shell of end face opening, the oxygenation tank body be fixed together with cylindrical shell sealing bottom surface, described oxygenation aeration pump, the motor of oxygenation aeration pump is driven to be placed in cylinder lumen, cylindrical shell bottom surface is provided with the cavity be connected with oxygenation tank body, the water-in of described water absorption tube is positioned on the side on cylindrical shell top, and water-in is positioned at directly over cavity, the water outlet of described process water oxygenation tank is positioned in the upper side of oxygenation tank body, and the height of water outlet will less than or equal to the height of cylindrical shell bottom surface, described oxygenation aeration pump by oxygen delivery tube through cavity with extend in the inner chamber of oxygenation tank body, described cylinder lumen divides the river water chamber being separated with and can adding biological enzyme, described river water chamber is connected with water absorption tube by isocon, described oxygenation aeration pump is by oxygen therapy tracheae and river water chamber intracavity inter-connection, river water chamber has the posticum that the rivers current containing biological enzyme can be gone out, described posticum is positioned at the top of cavity, river water containing biological enzyme can flow in the inner chamber of oxygenation tank body through cavity from top to bottom.
As improvement, the motor being placed in cylinder lumen is connected with the trip switch being placed in cylinder lumen program controller, described motor, program controller, trip switch and electric power generating composition loop.
Improve again, described oxygenation aeration pump is connected with gas-holder by pipeline, described gas-holder through respectively by switch and oxygen delivery tube with cure by oxygen therapy tracheae and be connected, described gas-holder is provided with the tensimeter that can show air pressure in gas-holder inner chamber, described tensimeter is connected with program controller by pressure transmitter.
As improvement, the air outlet, bottom of described oxygen delivery tube can preferably be distributed in the several gas-distributing pipes processed in water oxygenation tank inner chamber and be connected, rule or be distributed with aperture of giving vent to anger brokenly on every root gas-distributing pipe.
As improvement, the end face dismountable type lid of described cylindrical shell is equipped with dust guard.
As improvement, described cylindrical shell can be preferably rectangular, the described dust-proof several piece cover plate that is stamped forms, the open-topped both sides of cylindrical shell are provided with chute respectively symmetrically, described dust guard can slip in chute successively and cartridge openings be covered, be provided with the strip of paper used for sealing that chute opening can be sealed at the initiating terminal of chute, and be provided with on the initiating terminal of strip of paper used for sealing and chute and can prevent idler from removing the sticking department covered.
As improvement, described sticking department preferably can be provided with through hole in one end of strip of paper used for sealing, is provided with perforation with on the initiating terminal of the chute of through hole opposite position, and described through hole is fixed together by the initiating terminal of padlock by strip of paper used for sealing and chute with perforation.
As improvement, the relief outlet of being discharged by waste water when the bottom of described process water oxygenation tank preferably can be provided with cleaning process water oxygenation tank inner chamber, described relief outlet is communicated with fluvial facies by vent pipe.
As improvement, described biological enzyme is the Bacillus subtillis containing the bioactivation factor.
Compared with prior art, the present invention has four large advantages: first, by refining plant of the present invention, oxidation in air can be filled is dissolved in river water, namely oxygen utilization rate is abundant, make the purification of water quality transformation efficiency in river higher, the results showed that river of the present invention Water warfare rate improves 500% than existing installation, namely improve 500 times than prior art; The second, of the present invention will to put volume little, and what can be installed on limit, any river occupies in area pellucida, and low power motor is replaced powerful motor by the present invention, not only application cost significantly reduces, and dry applicator is low, just can't hear the dry sound of the work of motor in refining plant apart from refining plant 3 meters; 3rd, process waterpipe is installed on the underwater of river levee by the present invention, and the water jet of water jet standpipe is positioned on the water surface, so neither affect the attractive in appearance of river surface, and can circulate and make stream, so-called circulation is made stream and is referred to by the jet of water of water jet standpipe on river surface, the water surface flowed and plays wave, making the water flow in the water surface like this, namely form the river of flowing, oxygen on the water surface is added in river water better, thus stream is made in formation circulation; 4th, the present invention adds microorganism in the river that water quality is extremely bad in refining plant of the present invention, namely described microorganism refers to biological enzyme and/or the bioactivation factor, pour into adding the process water after having microorganism and oxygenation continuously in river, water quality oxidation is purified, thus fundamentally reaches the decontamination effect improving of water quality of river; In sum, the present invention adopts multifunctional bio nest enhanced reaction of modification device (namely referring to the quality purifying device for water in the present invention) to use microbe synergistic technology and microorganism enhanced technology simultaneously, be a kind of transporting something containerized high-effective microorganism, minute-pressure oxygenation, circulation make stream the principles of science pollution control of water, promote the environmental protection sci-tech product of water quality.
Accompanying drawing explanation
Fig. 1 is the stereographic map of oxygenation treater in the embodiment of the present invention;
Fig. 2 is the stereographic map after removing dust guard in Fig. 1;
Fig. 3 is the structure iron (anon-normal overlooks state) that Fig. 2 overlooks;
Fig. 4 be in Fig. 2 along axis vertical sectional structure schematic diagram;
Fig. 5 is the enlarged view of I part in Fig. 4.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figures 1 to 5, the quality purifying device for water of the present embodiment, comprise oxygenation treater, described oxygenation treater comprises oxygenation aeration pump 1, drive the motor 2 of oxygenation aeration pump 1, process water oxygenation tank, described oxygenation aeration pump 1 is by oxygen delivery tube 11 and process water oxygenation tank intracavity inter-connection, process water oxygenation tank top is communicated with river aqueous phase by water absorption tube 33, the water outlet 34 of described process water oxygenation tank is connected with Pipeline River distributed architecture by outlet conduit 4, the water outlet 34 of process water oxygenation tank is positioned in the upper side of process water oxygenation tank, described motor 2 is connected with power supply by wire, described process water oxygenation tank comprises the cylindrical shell 3 of end face opening, the oxygenation tank body 31 be fixed together with cylindrical shell 3 sealing bottom surface, described oxygenation aeration pump 1, the motor 2 of oxygenation aeration pump 1 is driven to be placed in cylindrical shell 3 inner chamber, cylindrical shell 3 bottom surface is provided with the cavity 32 be connected with oxygenation tank body 31, the water-in 35 of described water absorption tube 33 is positioned on the side on cylindrical shell 3 top, and water-in 35 is positioned at directly over cavity 32, the water outlet 34 of described process water oxygenation tank is positioned in the upper side of oxygenation tank body 31, and the height of water outlet 34 will less than or equal to the height of cylindrical shell 3 bottom surface, described oxygenation aeration pump 1 by oxygen delivery tube 11 through cavity 32 with extend in the inner chamber of oxygenation tank body 31, described cylindrical shell 3 inner chamber divides the river water chamber 36 being separated with and can adding biological enzyme, described river water chamber 36 is connected with water absorption tube 33 by isocon 37, described oxygenation aeration pump 1 is by oxygen therapy tracheae 12 and river water chamber 36 intracavity inter-connection, river water chamber 36 has the posticum 38 that the rivers current containing biological enzyme can be gone out, described posticum 38 is positioned at the top of cavity 32, river water containing biological enzyme can flow in the inner chamber of oxygenation tank body 31 through cavity 32 from top to bottom.The motor 2 being placed in cylindrical shell 3 inner chamber is connected with the trip switch being placed in cylindrical shell 3 inner chamber program controller 21, described motor 2, program controller 21, trip switch and electric power generating composition loop.Described oxygenation aeration pump 1 is connected with gas-holder 13 by pipeline, described gas-holder 13 through respectively by switch and oxygen delivery tube 11 with cure by oxygen therapy tracheae 12 and be connected, described gas-holder 13 is provided with the tensimeter 14 that can show air pressure in gas-holder 13 inner chamber, described tensimeter 14 is connected with program controller 21 by pressure transmitter.The air outlet, bottom of described oxygen delivery tube 11 be distributed in the several gas-distributing pipes 15 processed in water oxygenation tank inner chamber and be connected, rule or be distributed with aperture 16 of giving vent to anger brokenly on every root gas-distributing pipe 15.The end face dismountable type lid of described cylindrical shell 3 is equipped with dust guard 6.Described cylindrical shell 3 is rectangular, described dust guard 6 is made up of several piece cover plate, the open-topped both sides of cylindrical shell 3 are provided with chute 39 respectively symmetrically, described dust guard 6 can slip into successively in chute 39 and be covered by cylindrical shell 3 opening, be provided with the strip of paper used for sealing 30 that chute 39 opening can be sealed at the initiating terminal of chute 39, and be provided with on strip of paper used for sealing 30 initiating terminal with chute 39 and can prevent idler from removing the sticking department covered.Described sticking department is that one end of strip of paper used for sealing is provided with through hole, is provided with perforation with on the initiating terminal of the chute 39 of through hole opposite position, and described through hole is fixed together by the initiating terminal of padlock by strip of paper used for sealing and chute with perforation.The relief outlet of being discharged by waste water when the bottom of described process water oxygenation tank is provided with cleaning process water oxygenation tank inner chamber, described relief outlet is connected with extraneous current by vent pipe 7.Described biological enzyme is the Bacillus subtillis containing the bioactivation factor.This device is consisted of aeration oxygen replenishing district, biological incubation division (namely referring to the region of the cavity that can be placed with biological enzyme and/or the bioactivation factor) equipment rest area and relevant matching system, have several functions such as strengthening water body self-purification ability, raising water body scrubbing efficiency, keep water ecology healthy, the improvement and the water quality that are applicable to polluted-water promote.
Principle of work: water absorption tube is by korneforos sewage suction device, oxygenation aeration pump in device is current oxygenation in device by oxygen delivery tube, the isocon of water absorption tube separates part water body and enters biological incubation division raising aqueous bio activity, and by oxygenation aeration pump by oxygen therapy tracheae oxygenation, enter oxygenation tank body from posticum subsequently and other water converges, the flowing water after formation processing, the flowing water finally after process is from water outlet separating device, and get back to river from spout hole ejection, improve water quality of river.
Claims (9)
1. a quality purifying device for water, comprise oxygenation treater, it is characterized in that: described oxygenation treater comprises oxygenation aeration pump (1), drive the motor (2) of oxygenation aeration pump (1), process water oxygenation tank, described oxygenation aeration pump (1) is by oxygen delivery tube (11) and process water oxygenation tank intracavity inter-connection, process water oxygenation tank top is communicated with river aqueous phase by water absorption tube (33), the water outlet (34) of described process water oxygenation tank is connected with Pipeline River distributed architecture by outlet conduit (4), the water outlet (34) of process water oxygenation tank is positioned in the upper side of process water oxygenation tank, described motor (2) is connected with power supply by wire, described process water oxygenation tank comprises the cylindrical shell (3) of end face opening, the oxygenation tank body (31) be fixed together with cylindrical shell (3) sealing bottom surface, described oxygenation aeration pump (1), the motor (2) of oxygenation aeration pump (1) is driven to be placed in cylindrical shell (3) inner chamber, cylindrical shell (3) bottom surface is provided with the cavity (32) be connected with oxygenation tank body (31), the water-in (35) of described water absorption tube (33) is positioned on the side on cylindrical shell (3) top, and water-in (35) is positioned at directly over cavity (32), the water outlet (34) of described process water oxygenation tank is positioned in the upper side of oxygenation tank body (31), and the height of water outlet (34) will less than or equal to the height of cylindrical shell (3) bottom surface, described oxygenation aeration pump (1) by oxygen delivery tube (11) through cavity (32) with extend in the inner chamber of oxygenation tank body (31), described cylindrical shell (3) inner chamber divides the river water chamber (36) being separated with and can adding biological enzyme, described river water chamber (36) is connected with water absorption tube (33) by isocon (37), described oxygenation aeration pump (1) is by oxygen therapy tracheae (12) and river water chamber (36) intracavity inter-connection, river water chamber (36) has the posticum (38) that the rivers current containing biological enzyme can be gone out, described posticum (38) is positioned at the top of cavity (32), river water containing biological enzyme can pass cavity (32) from top to bottom and flow in the inner chamber of oxygenation tank body (31).
2. quality purifying device for water according to claim 1, it is characterized in that: the motor (2) being placed in cylindrical shell (3) inner chamber is connected with the trip switch being placed in cylindrical shell (3) inner chamber program controller (21), described motor (2), program controller (21), trip switch and electric power generating composition loop.
3. quality purifying device for water according to claim 2, it is characterized in that: described oxygenation aeration pump (1) is connected with gas-holder (13) by pipeline, described gas-holder (13) through respectively by switch and oxygen delivery tube (11) with cure by oxygen therapy tracheae (12) and be connected, described gas-holder (13) is provided with the tensimeter (14) that can show air pressure in gas-holder (13) inner chamber, described tensimeter (14) is connected with program controller (21) by pressure transmitter.
4. according to described quality purifying device for water arbitrary in claims 1 to 3, it is characterized in that: the air outlet, bottom of described oxygen delivery tube (11) be distributed in the several gas-distributing pipes (15) processed in water oxygenation tank inner chamber and be connected, in the upper rule of every root gas-distributing pipe (15) or be distributed with aperture of giving vent to anger (16) brokenly.
5. according to described quality purifying device for water arbitrary in claims 1 to 3, it is characterized in that: the end face dismountable type lid of described cylindrical shell (3) is equipped with dust guard (6).
6. quality purifying device for water according to claim 5, it is characterized in that: described cylindrical shell (3) is rectangular, described dust guard (6) is made up of several piece cover plate, cylindrical shell (3) open-topped both sides are provided with chute (39) respectively symmetrically, described dust guard (6) can slip into successively in chute (39) and be covered by cylindrical shell (3) opening, the strip of paper used for sealing (30) that chute (39) opening can be sealed is provided with at the initiating terminal of chute (39), and be provided with on the initiating terminal of strip of paper used for sealing (30) and chute (39) and can prevent idler from removing the sticking department covered.
7. quality purifying device for water according to claim 6, it is characterized in that: described sticking department is that one end of strip of paper used for sealing is provided with through hole, be provided with perforation with on the initiating terminal of the chute (39) of through hole opposite position, described through hole is fixed together by the initiating terminal of padlock by strip of paper used for sealing and chute with perforation.
8. according to described quality purifying device for water arbitrary in claims 1 to 3, it is characterized in that: the relief outlet of being discharged by waste water when the bottom of described process water oxygenation tank is provided with cleaning process water oxygenation tank inner chamber, described relief outlet is communicated with fluvial facies by vent pipe (7).
9. according to described quality purifying device for water arbitrary in claims 1 to 3, it is characterized in that: described biological enzyme is the Bacillus subtillis containing the bioactivation factor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229109.7A CN104876323B (en) | 2015-04-30 | 2015-04-30 | Quality purifying device for water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229109.7A CN104876323B (en) | 2015-04-30 | 2015-04-30 | Quality purifying device for water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104876323A true CN104876323A (en) | 2015-09-02 |
| CN104876323B CN104876323B (en) | 2018-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510229109.7A Expired - Fee Related CN104876323B (en) | 2015-04-30 | 2015-04-30 | Quality purifying device for water |
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| Country | Link |
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| CN (1) | CN104876323B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876322A (en) * | 2015-04-30 | 2015-09-02 | 宁波海晏环保工程有限公司 | River water quality purification device |
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| CN104876322A (en) * | 2015-04-30 | 2015-09-02 | 宁波海晏环保工程有限公司 | River water quality purification device |
| CN204689712U (en) * | 2015-04-30 | 2015-10-07 | 宁波海晏环保工程有限公司 | Quality purifying device for water |
| CN204714585U (en) * | 2015-04-30 | 2015-10-21 | 宁波海晏环保工程有限公司 | River water device |
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2015
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| JP2012082649A (en) * | 2010-10-14 | 2012-04-26 | Narasaki Seisakusho:Kk | Method and device to improve water quality of tidal river |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104876322A (en) * | 2015-04-30 | 2015-09-02 | 宁波海晏环保工程有限公司 | River water quality purification device |
| CN104876322B (en) * | 2015-04-30 | 2017-11-03 | 宁波海晏环保工程有限公司 | River water device |
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| Publication number | Publication date |
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| CN104876323B (en) | 2018-06-05 |
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