CN103420444B - Aeration photocatalytic device - Google Patents
Aeration photocatalytic device Download PDFInfo
- Publication number
- CN103420444B CN103420444B CN201310282926.XA CN201310282926A CN103420444B CN 103420444 B CN103420444 B CN 103420444B CN 201310282926 A CN201310282926 A CN 201310282926A CN 103420444 B CN103420444 B CN 103420444B
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- Prior art keywords
- cylinder
- disk
- disks
- conically shaped
- conically
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- 238000005273 aeration Methods 0.000 title claims abstract description 18
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 17
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052709 silver Inorganic materials 0.000 claims abstract description 17
- 239000004332 silver Substances 0.000 claims abstract description 17
- 238000007146 photocatalysis Methods 0.000 claims abstract description 13
- FJOLTQXXWSRAIX-UHFFFAOYSA-K silver phosphate Chemical compound [Ag+].[Ag+].[Ag+].[O-]P([O-])([O-])=O FJOLTQXXWSRAIX-UHFFFAOYSA-K 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims abstract description 6
- 239000010865 sewage Substances 0.000 claims abstract description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 230000002459 sustained effect Effects 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims 1
- 238000006213 oxygenation reaction Methods 0.000 abstract description 5
- 239000011888 foil Substances 0.000 abstract 2
- 229940019931 silver phosphate Drugs 0.000 abstract 1
- 229910000161 silver phosphate Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000007788 liquid Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 5
- 238000006555 catalytic reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000003403 water pollutant Substances 0.000 description 2
- 230000010748 Photoabsorption Effects 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000005588 protonation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses an aeration photocatalytic device in the sewage treatment field. The aeration photocatalytic device comprises two disks; the two disks are parallel to each other up and down and coaxial; a shaft is fixedly connected at the axes of the two disks; the upper section of the shaft passes through the center of the second disk at the upper part and is extended upwards to be fixedly connected with an electric motor; a plurality of bending pipes are uniformly distributed in the circumferential direction of the surfaces of the two disks; the lower sections of the bending pipes are parallel to the shaft, pass through the first disk at the lower part, and are extended downwards; the upper sections of the bending pipes pass through the second disk at the upper part, and are bent outwards by a certain angle toward the radial inclined upper part along the center of the second disk; a first cylinder is coaxially sleeved outside the two disks; a second cylinder fixedly connected with the first cylinder is coaxially sleeved outside the first cylinder; a plurality of tapered cylinders are coaxially sleeved upwards outside the second cylinder along the shaft; stepped silver foils are fixedly lined on the inner side surfaces of the second tapered cylinders; silver phosphate is loaded on one side, in contact with the air, of the stepped silver foils; the oxygenation and the photocatalysis are combined, and the photocatalytic effect is promoted.
Description
Technical field
The present invention relates to a kind of aeration photocatalysis apparatus, belong to technical field of sewage in environment protection.
Background technology
Aeration refers to artificially and in purification tank for liquid waste, passes into air by suitable equipment, to reach the object of oxygenation.Aeration not only makes liquid-to-air contact oxygenation in pond, and due to agitated liquid, has accelerated oxygen in air and shifted in liquid; Aeration can also promote organic oxygenolysis in sewage.
Traditional water treatment method efficiency is low, cost is high, have secondary pollution problems, the solution that waste water control can not get always.Light-catalysed appearance, has opened up the new direction of traditional wastewater treatment.But up to the present photocatalysis technology is used widely not yet aspect wastewater treatment, be mainly that some is to separate from water nano level being difficult to because of granules of catalyst separation difficulty.At present mainly concentrate on the exploitation of catalyzer and the exploitation of catalytic unit for the research of this technology.If have simple applicable treatment facility, will greatly promote the development of wastewater treatment.
Affect the important in have three of catalyzed reaction efficiency: one is catalyst type, the 2nd, the surface-area of catalyzer, one is the utilization ratio of light, i.e. the thickness of liquid film.For adopting identical catalyzer, catalytic unit role is exactly: being the specific surface area that expands catalyzer on the one hand, is to ensure light efficiency on the other hand.
In the time that load has the carrier of nano particle to be soaked in water, the solution that exciting light must see through thicker (often more than several centimetres) just can be irradiated on catalyzer.And in fact, no matter be in ultraviolet region or visible region, organic solution (especially with look organic wastewater) all can have photoabsorption in various degree, this will certainly cause exciting light light loss in various degree, the light intensity that arrives catalyst surface is declined, thereby the productive rate in light induced electron and hole is declined, finally make the degradation efficiency of pollutent reduce.
Numerous literature research show: in solution, the concentration of dissolved oxygen is higher is just more conducive to the carrying out of light-catalyzed reaction.Dissolved oxygen concentration improves the reason that promotes degradation rate to improve: from chemical terms, planar water can be regarded as electron-hole deathnium, and adsorb oxygen is the trapping agent of electronics.Aeration has increased the dissolved oxygen in system, can effectively suppress light induced electron (e on the one hand as the dissolved oxygen of electron acceptor(EA)
-) and hole (h
+) simple composite, on the other hand, the superoxide anion (O of high activity that dissolved oxygen generates
2 -) can with reactive organic molecule, or after protonation, generate H
2o
2until OH has improved the activity of light-catalyzed reaction.(Shenyang Institute of Technology's journal, 75 pages of the 1st phases in 2004; Environmental chemistry, 88 pages of the 1st phases in 2010)
Currently used aeration type photochemical catalysis is generally in catalytic process, to increase common aerating apparatus, and efficiency is low, power consumption is high.
Summary of the invention
The object of the invention is provides for overcoming the deficiencies in the prior art the aeration photocatalysis apparatus that a kind of efficiency is high, low in energy consumption, do not have secondary pollution.
The technical solution used in the present invention is: the present invention includes two upper and lower parallel and coaxial disks, axle is fixedly linked in the axle center place of two disks, and the epimere of axle also upwards extends and is fixedly connected with electric motor through the center of second disk on top; Along uniform several bend pipes of circumferential direction of the card of two disks, the hypomere of several bend pipes parallel with axle and through first disk of bottom to downward-extension, the epimere of several bend pipes is through second disk on top and along the center of second disk towards the outwardly-bent certain angle of oblique upper radially; The upper end of each bend pipe all has one section of trunnion, and the thinnest side partly of trunnion is provided with the kapillary communicating with extraneous air; Outside two disks, coaxial sleeve has the first cylinder, and the first conically shaped of a concentric is extended in the upper end of the first cylinder, on the outer side of the first cylinder and the first conically shaped, is equipped with multiple bulbs; The outer coaxial sleeve of the first cylinder has second cylinder affixed with the first cylinder, and the second cylinder inner side is fixedly lined with area load the silver paper tinsel of Trisilver phosphate; There are multiple the second conically shapeds in the second cylinder outside vertically coaxial sleeve, and the second conically shaped upper end is large end, and the radius of the large end of the second conically shaped is greater than the length of bend pipe upper end bending, is fixedly lined with stair-stepping silver paper tinsel on the second conically shaped medial surface; The one side load that stair-stepping silver paper tinsel contacts with air has Trisilver phosphate; On the outer side of all the other the second conically shapeds except bottom second conically shaped, be all provided with bulb; On the second cylinder wall one circle of the second conically shaped and the second cylinder connection place, have aperture; The bend pipe of the following part of first disk is placed in pending water.
The present invention adopts has following beneficial effect after technique scheme:
1, the disk in the present invention can do as far as possible little, as long as can meet bend pipe erection space, to reduce the stirring water yield, low power consuming oxygenation, reduce power waste.2, by oxygenation and photochemical catalysis combination, greatly promote photocatalysis effect.3, trunnion can make current accelerate, and the negative pressure forming at trunnion place increases, and the kapillary at trunnion place can suck more air, can be effectively and current mixing, and increase dissolved efficiency.4, stepped support of the catalyst had both increased the surface-area of catalyzer, can increase again oxygen dissolution.5, the overflow weir of ladder step edge can keep certain liquid level, can not allow water flow velocity too fast, but also can maintain one deck liquid film.If 6, the outdoor use of the present invention, can also accept the irradiation of sunlight, make full use of sun power decomposing pollutant.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of aeration photocatalysis apparatus of the present invention;
Fig. 2 is Fig. 1 middle and upper part disk 1 and bend pipe 3 packaging assembly enlarged diagrams;
Fig. 3 is the local enlarged diagram of cylinder 10 and conically shaped 11 packaging assemblies in Fig. 1;
In figure: 1. disk; 2. axle; 3. bend pipe; 4. trunnion; 5. kapillary; 6. electric motor; 7. cylinder; 8. conically shaped; 9. bulb; 10. cylinder; 11. conically shapeds; 12. overflow weirs; 13. bulbs; 14. flangings; 15. supports; 16. apertures.
Embodiment
With reference to Fig. 1, the present invention includes two upper and lower parallel and coaxial disks 1, two disks 1 are fixedly connected by axle 2, axle 2 is positioned at the axle center place of two disks 1, and the lower end of axle 2 is fixed on the center of first disk 1 of bottom, and the epimere of axle 2 is through the center of second disk 1 on top and extend upward certain length, the upper end of axle 2 is fixedly connected with electric motor 6, electric motor 6 is fixedly located on support 15, is with moving axis 2 to rotate by electric motor 6, drives two disks 1 to rotate simultaneously.
Again referring to Fig. 2, circumferential direction along the card of two disks 1 is evenly arranged a circle bend pipe 3, bend pipe 3 has several, several bend pipes 3 pass the card of two disks 1 simultaneously, the hypomere of several bend pipes 3 is all parallel with axle 2, and first disk 1 of bottom is stretched out to downward-extension in the lower end of several bend pipes 3, the epimere of several bend pipes 3 is through second disk 1 on top, the epimere of several bend pipes 3 has a certain angle a along the center of disk 1 towards oblique upper is radially outwardly-bent, and the angle of bend a of bend pipe 3 is between 90 ° ~ 150 °.The angle of bend a of all bend pipes 3 can be identical, also can be different.The upper end of each bend pipe 3 all has the trunnion 4 of a section thinner, and trunnion 4 the thinnest sides are partly provided with kapillary 5, and the tube wall of kapillary 5 stretches out perpendicular to trunnion 4, and kapillary 5 communicates with extraneous air.
Have a cylinder 7 at two outer coaxial sleeves of disk 1, the conically shaped 8 of a concentric is extended in the upper end of cylinder 7, and conically shaped 8 upper ends are large ends, and lower end is small end, and the internal diameter of small end equates with the internal diameter of cylinder 7.On the outer side of cylinder 7 and conically shaped 8, be all fixed with multiple bulbs 9, bulb 9 can be with halogen lamp or LED lamp.Have cylinder 10 at the outer coaxial sleeve of cylinder 7, the bulb 9 on cylinder 7 outer sides is located between cylinder 7 outer sides and cylinder 10 medial surfaces, and cylinder 10 inner sides are fixedly lined with silver paper tinsel, and silver paper tinsel area load has Trisilver phosphate to make catalyzer.Cylinder 7 is fixed on cylinder 10 by metal strip radially, and the position of the lower end position of cylinder 7 and cylinder 10 and first disk 1 of bottom is suitable.
In cylinder 10 outsides, coaxial sleeve has multiple conically shapeds 11 vertically, and conically shaped 11 upper ends are large ends, and lower end is small end, and all conically shaped 11 end diameters are all identical with cylinder 10, and the upper end diameter of conically shaped 11 is not identical.The upper surface, top of all conically shapeds 11 is all positioned at sustained height, and the radius of conically shaped 11 large ends is greater than the length of bend pipe 3 upper end bendings, and the water outlet of bend pipe 3 upper port can be dropped on conically shaped 11 internal surfaces.The large end of conically shaped 11 is fixed on by fixed beam on the support 15 of electric motor 6, on conically shaped 11 medial surfaces, is fixedly lined with stair-stepping silver paper tinsel.
The one side load that the stair-stepping silver paper tinsel being fixedly lined with on conically shaped 11 medial surfaces contacts with air has Trisilver phosphate, the step of stair-stepping silver paper tinsel is provided with overflow weir 12 along the line, for maintaining certain thickness of liquid film, there is the effect that maintains liquid layer and uniform liquid is overflowed.On the outer side of all the other conically shapeds 11 except a bottom conically shaped 11, bulb 13 is all installed, bulb 13 and bulb 9 adopt identical or different bulbs.The outward flange of conically shaped 11 large ports downwards folding has flanging 14, for the protection of bulb 13, makes water can not drench bulb 13.On wall one circle of the cylinder 10 of conically shaped 11 and cylinder 10 connection places, have aperture 16, water is after the step of stair-stepping silver paper tinsel flows down, in small holes 16 flows into cylinder 10, downward along the inwall of cylinder 10.
When the present invention works, the bend pipe 3 of first disk of bottom part below 1 is all placed in the pond for the treatment of sewage, and electric motor 6 is with moving axis 2 to rotate, and axle 2 drives disk 1 to rotate, disk 1 drives bend pipe 3 to rotate, top can form negative pressure, and water can be thrown out of by gas pressure, along with water is thrown out of, the interior formation negative pressure of bend pipe 3, water is drunk up and is thrown out of continuously by the lower port of the bend pipe 3 in pond, is throwing away trunnion 4 places, has air to incorporate in water by kapillary 5.Due to the angle of bend difference of bend pipe 3, the distance difference that water is thrown out of, tackled by conically shaped 11 internal surfaces, water can be along the conically shaped 11 stair-stepping silver paper tinsels in inner side to dirty, on stair-stepping silver paper tinsel, load has visible light catalyst, under the irradiation of the light of bulb 13, the catalyzed degraded of water pollutant.When water is through aperture 16 on cylinder 10 walls, along cylinder 10 inwall stream time, the light-illuminating of the bulb 9 on cylinder 7 surfaces, in liquid, continues water pollutant to decompose under the effect of catalyzer, last current back pool, is drunk up by bend pipe 3 this process that repeats again.
Claims (6)
1. an aeration photocatalysis apparatus, it is characterized in that: comprise two upper and lower parallel and coaxial disks (1), axle (2) is fixedly linked in the axle center place of two disks, and the epimere of axle (2) also upwards extends and is fixedly connected with electric motor (6) through the center of second disk on top; Along uniform several bend pipes of circumferential direction (3) of the card of two disks, the hypomere of several bend pipes (3) parallel with axle (2) and through first disk of bottom to downward-extension, the epimere of several bend pipes (3) is through second disk on top and along the center of second disk towards the outwardly-bent certain angle of oblique upper radially; The upper end of each bend pipe (3) all has one section of trunnion (4), and the thinnest side partly of trunnion (4) is provided with the kapillary (5) communicating with extraneous air; Outside two disks, coaxial sleeve has the first cylinder (7), and first conically shaped (8) of a concentric is extended in the upper end of the first cylinder (7), on the outer side of the first cylinder (7) and the first conically shaped (8), is equipped with multiple bulbs; The outer coaxial sleeve of the first cylinder (7) has second cylinder (10) affixed with the first cylinder (7), and the second cylinder (10) inner side is fixedly lined with area load the silver paper tinsel of Trisilver phosphate; There are multiple the second conically shapeds (11) in the second cylinder (10) outside vertically coaxial sleeve, the second conically shaped (11) upper end is large end, the radius of the large end of the second conically shaped (11) is greater than the length of bend pipe (3) upper end bending, on the second conically shaped (11) medial surface, is fixedly lined with stair-stepping silver paper tinsel; The one side load that stair-stepping silver paper tinsel contacts with air has Trisilver phosphate; On the outer side of all the other the second conically shapeds (11) except bottom second conically shaped (11), be all provided with bulb; On the second cylinder (10) wall one circle of the second conically shaped (11) and the second cylinder (10) connection place, have aperture (16); The bend pipe (3) of the following part of first disk is placed in treatment sewage.
2. a kind of aeration photocatalysis apparatus according to claim 1, is characterized in that: the angle of bend of bend pipe (3) is 90 ° ~ 150 °, and the angle of bend of all bend pipes (3) is identical or different.
3. a kind of aeration photocatalysis apparatus according to claim 1, is characterized in that: it is upper that electric motor (6) is fixedly located at support (15), and the large end of the second conically shaped (11) is fixedly connected with support (15).
4. a kind of aeration photocatalysis apparatus according to claim 1, is characterized in that: all the second conically shapeds (11) end diameter is all identical with the second cylinder (10), and the upper surface, top of all the second conically shapeds (11) is all positioned at sustained height.
5. a kind of aeration photocatalysis apparatus according to claim 1, is characterized in that: the step of stair-stepping silver paper tinsel is along being provided with overflow weir (12).
6. a kind of aeration photocatalysis apparatus according to claim 1, is characterized in that: described bulb is halogen lamp or LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310282926.XA CN103420444B (en) | 2013-07-08 | 2013-07-08 | Aeration photocatalytic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310282926.XA CN103420444B (en) | 2013-07-08 | 2013-07-08 | Aeration photocatalytic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103420444A CN103420444A (en) | 2013-12-04 |
| CN103420444B true CN103420444B (en) | 2014-10-29 |
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ID=49645886
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310282926.XA Active CN103420444B (en) | 2013-07-08 | 2013-07-08 | Aeration photocatalytic device |
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| Country | Link |
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| CN (1) | CN103420444B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671458B (en) * | 2015-01-26 | 2016-08-24 | 常州大学 | A kind of pollution of river thing removal device |
| CN109133527A (en) * | 2018-09-28 | 2019-01-04 | 常州大学 | A method of utilizing the connected river water quality of broken end creek reparation |
| CN110054251B (en) * | 2019-03-25 | 2021-09-03 | 常州大学 | Ultraviolet light catalytic device for treating organic pollutants in river channel |
| CN116871255B (en) * | 2023-09-07 | 2023-12-12 | 沧州隆泰迪管道科技有限公司 | Reducing type mechanical composite pipe machining production line and production method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343112A (en) * | 2008-08-21 | 2009-01-14 | 江苏凌志环保工程有限公司 | Rotary aeration disc with water level indicator |
| CN101982428A (en) * | 2010-10-22 | 2011-03-02 | 中国人民大学 | Ultramicropore aerator used for high organic load sewage treatment |
| WO2011115972A1 (en) * | 2010-03-15 | 2011-09-22 | Streamside Technology, Llc | Aerating device |
| CN102491547A (en) * | 2011-12-31 | 2012-06-13 | 山东水务环保集团有限公司 | Inverted-umbrella-type aeration impeller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6715912B2 (en) * | 1998-09-28 | 2004-04-06 | The Penn State Research Foundation | Surface aeration impellers |
-
2013
- 2013-07-08 CN CN201310282926.XA patent/CN103420444B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343112A (en) * | 2008-08-21 | 2009-01-14 | 江苏凌志环保工程有限公司 | Rotary aeration disc with water level indicator |
| WO2011115972A1 (en) * | 2010-03-15 | 2011-09-22 | Streamside Technology, Llc | Aerating device |
| CN101982428A (en) * | 2010-10-22 | 2011-03-02 | 中国人民大学 | Ultramicropore aerator used for high organic load sewage treatment |
| CN102491547A (en) * | 2011-12-31 | 2012-06-13 | 山东水务环保集团有限公司 | Inverted-umbrella-type aeration impeller |
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Effective date of registration: 20201118 Address after: No. 159, Chengjiang Middle Road, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangyin Intellectual Property Operation Co.,Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |
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Effective date of registration: 20231222 Address after: 214215 Nanxin East Road, HeQiao Town, Yixing City, Wuxi City, Jiangsu Province Patentee after: LINGZHI ENVIRONMENTAL PROTECTION Co.,Ltd. Address before: No. 159, Chengjiang Middle Road, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: Jiangyin Intellectual Property Operation Co.,Ltd. |