CN201981079U - Oxidation reactor - Google Patents
Oxidation reactor Download PDFInfo
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- CN201981079U CN201981079U CN2011200348897U CN201120034889U CN201981079U CN 201981079 U CN201981079 U CN 201981079U CN 2011200348897 U CN2011200348897 U CN 2011200348897U CN 201120034889 U CN201120034889 U CN 201120034889U CN 201981079 U CN201981079 U CN 201981079U
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- Prior art keywords
- reactor
- sewage
- oxidation
- water
- oxidation reactor
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- 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.)
- Expired - Lifetime
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- 230000003647 oxidation Effects 0.000 title claims abstract description 46
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 46
- 239000010865 sewage Substances 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000000576 coating method Methods 0.000 claims abstract description 8
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 10
- 238000009827 uniform distribution Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 238000011282 treatment Methods 0.000 abstract description 8
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 6
- 230000001699 photocatalysis Effects 0.000 abstract description 5
- 230000004087 circulation Effects 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 abstract 3
- 238000001914 filtration Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 description 8
- 229910010413 TiO 2 Inorganic materials 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 238000006555 catalytic reaction Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000013022 venting Methods 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003987 organophosphate pesticide Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- HORNXRXVQWOLPJ-UHFFFAOYSA-N 3-chlorophenol Chemical compound OC1=CC=CC(Cl)=C1 HORNXRXVQWOLPJ-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011284 combination treatment Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model relates to an oxidation reactor. Stainless steel wire meshes are arranged in the reactor and have good filtering effect; a main water pipe is arranged in the reactor; a plurality of branch water pipes are arranged on the main water pipe; and small holes are formed in the branch water pipes. When the oxidation reactor is in operation, the mixture of sewage and ozone enters into the reactor through a sewage inlet, and the sewage flows through the stainless steel wire meshes in the reactor to the top of the reactor; in the process, an ultraviolet lamp irradiates through an ultraviolet lamp hole to the interior of a housing of the reactor, and the sewage conducts the photo catalytic oxidation with nano titanium dioxide coatings on the inner wall of the housing of the reactor and the stainless steel wire meshes, so as to achieve the high oxygenolysis of refractory organic pollutants in the sewage; and the sewage enters into the branch water pipes through the small holes after reaching the top of the reactor, then reaches a circulating water outlet through the main water pipe, and finally reaches a sewage inlet through a water pump and a pipeline outside the housing of the reactor to form a circulation, which can effectively conduct the repeated oxidation treatment to achieve good sewage treatment effect.
Description
Technical field
The utility model relates to a kind of oxidation reactor, specifically, relates to a kind of ozone, ultraviolet ray and titanium dioxide of utilizing sewage is carried out the oxidation reactor that advanced oxidation is purified waste water, and belongs to the environmental protection field.
Background technology
The method that industries such as printing and dyeing at present,, oil, chemical industry, the papermaking organism that is difficult to degrade in the waste water commonly used carries out advanced oxidation is the ozone oxidation method.Conventional ozone oxidation method is to carry out in dissolving or reaction tank, sewage is passed in dissolving or the reaction tank, the ozone that ozonizer is produced is passed in the sewage, utilize the strong oxidizing property of ozone that the pollutent in the water is carried out oxidative degradation, though the organism of many difficult degradations in this method energy oxidizing water, but because ozone and organic reaction preference are poor, degradation efficiency is not high, and is difficult for organism thoroughly is decomposed into CO
2And H
2O.
The heterogeneous photocatalytic method of semi-conductor is the wastewater purification technology that comes into one's own day by day in recent years, China Patent No. is that 200620002755.6 utility model patent specification sheets discloses a kind of waste disposal plant, on the retaining plate of handling casing, have the prosopyle and be fixed with ultraviolet source, scribble dichloride in anatase type grade titanium dioxide coating on the inwall of processing casing and the retaining plate.This reactor is fast processing low discharge sewage simply, the coating of titanium dioxide of reactor wall utilizes UV-light to come Persistent organic pollutants in the degradation of sewage as the photochemical catalytic oxidation agent, its catalyst cupport is on immobilization carrier, it can solve the separation problem of catalyzer and waste water, catalyst distribution is inhomogeneous, specific surface area of catalyst is little but exist, problems such as catalytic activity is lower greatly reduce the catalysis efficiency of catalyzer.
The utility model content
The technical problems to be solved in the utility model is at above deficiency, provide a kind of simple in structure, catalysis efficiency is high, the oxidation reactor of good sewage processing effect.
In order to solve above technical problem, the technical solution adopted in the utility model is as follows: a kind of oxidation reactor, comprise reactor shell, sewage outlet and sewage inlet, it is characterized in that: the inside of described reactor shell is provided with the several layers stainless (steel) wire, and the inwall of reactor shell and stainless (steel) wire are provided with the Nano titanium dioxide coating.
As further improvement in the technical proposal:
The inside of described reactor shell is provided with water main, and an end of water main is communicated with sewage outlet, is communicated with some branching pipes on the water main.
Described branching pipe is fishbone shape uniform distribution.
Described branching pipe is provided with aperture.
Described reactor shell is provided with the recirculated water water outlet, and the recirculated water water outlet is communicated with the other end of water main.
Be provided with the communication apparatus of communication loop water water outlet and sewage inlet in the outside of reactor shell.
Described communication apparatus comprises water pump and pipeline.
Described reactor shell is provided with ultraviolet lamp hole.
Described ultraviolet lamp hole uniform distribution.
Described stainless (steel) wire is horizontally disposed with and uniform distribution.
The utility model is taked above technical scheme, has the following advantages: the inside of oxidation reactor is provided with stainless (steel) wire, has good filter effect; The inside of reactor is provided with water main, water main is provided with some branching pipes, branching pipe is fishbone shape uniform distribution, branching pipe is provided with aperture, during operation, sewage confuses the sewage inlet of ozone by the reactor shell bottom and together enters inside reactor, sewage arrives the top of reactor through stainless (steel) wire layer by layer in reactor, stainless (steel) wire filters sewage, in this process, UV-lamp is by the internal irradiation of ultraviolet lamp hole to reactor shell, carry out photochemical catalytic oxidation with the inwall of reactor shell and the Nano titanium dioxide coating on the stainless (steel) wire, realization is carried out the high oxidation decomposition to the organic pollutant that is difficult in the sewage degrade, and sewage enters branching pipe by aperture after arriving the top of reactor, arrive the recirculated water water outlet through water main, water pump and pipeline through the reactor shell outer setting arrive sewage inlet formation circulation, thereby can effectively carry out repeatedly oxide treatment, good sewage processing effect; The sewage of handling well flows out from sewage outlet.
This oxidation reactor adds photochemical catalysis and titanium deoxide catalyst oxidation technology on the basis of the ozone oxidation method of routine, during operation in the synergy of photochemical catalysis and ozone oxidation, produce the extremely strong hydroxy radical qiao of oxidisability, the organic pollutant that is difficult to degrade with usual way in the water can be decomposed into CO
2, H
2O and other inorganics, make the long-chain macromolecule material or contain difficult degradation pollutent generation chain rupture, the open loop of phenyl ring, azo structure, make it partially or completely to decompose, the chromophoric group that destroys dye molecule makes its decolouring, have the catalytic activity height, the advantage of the reusable edible that do not run off, solved nanometer powdery optically catalytic TiO 2 active high and be difficult to recycle, contradiction that processing efficiency is on the low side.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is the structural representation of oxidation reactor among the utility model embodiment;
Accompanying drawing 2 is right views of oxidation reactor in the accompanying drawing 1;
Accompanying drawing 3 is vertical views of oxidation reactor in the accompanying drawing 1;
Accompanying drawing 4 is structural representations of stainless (steel) wire among the utility model embodiment;
Accompanying drawing 5 be in the accompanying drawing 1 oxidation reactor A-A to structural representation.
Among the figure,
The 1-reactor shell, 2-ultraviolet ray lamp hole, 3-recirculated water water outlet, 4-sewage outlet, 5-sewage inlet, 6-sewage draining exit, 7-inspection window, 8-support, 9-branching pipe, 10-water main, 11-aperture, 12-stainless (steel) wire, 13-venting hole.
Embodiment
Embodiment, as Fig. 1, Fig. 2 and shown in Figure 3, a kind of oxidation reactor, comprise reactor shell 1, reactor shell 1 is provided with recirculated water water outlet 3, sewage outlet 4, sewage inlet 5, sewage draining exit 6, inspection port 7, ultraviolet ray lamp hole 2 and venting hole 13, recirculated water water outlet 3 and sewage outlet 4 are separately positioned on the top of reactor shell 1, sewage inlet 5 is arranged on the bottom of reactor shell 1, be provided with the communication apparatus of communication loop water water outlet 3 and sewage inlet 5 in the outside of reactor shell 1, communication apparatus comprises water pump and pipeline, communication apparatus is provided with in operating process, do not mark among the figure, inspection port 7 is arranged on the bottom of reactor shell 1, operator can enter reactor from inspection port 7, inside to reactor is checked, the quantity of ultraviolet ray lamp hole 2 is several, ultraviolet ray lamp hole 2 is evenly distributed on the reactor shell 1, UV-lamp is by the internal irradiation of ultraviolet lamp hole 2 to reactor shell 1, sewage draining exit 6 is arranged on the bottom of reactor shell 1, venting hole 13 is arranged on the top of reactor shell 1, the optimization that has guaranteed oxidation reactor that is provided with of sewage draining exit 6 and venting hole 13 moves, and the bottom of reactor shell 1 is provided with support 8.
As shown in Figure 4, the inside of reactor shell 1 is provided with stainless (steel) wire 12, the quantity of stainless (steel) wire 12 is several layers, stainless (steel) wire 12 is horizontally disposed with and is evenly distributed on the inside of reactor shell 1, have good filter effect, the inwall of reactor shell 1 and stainless (steel) wire 12 are provided with the Nano titanium dioxide coating with catalysed oxidn.
As shown in Figure 5, the inside of reactor shell 1 is provided with water main 10, water main 10 is arranged on the top of reactor shell 1 inside, and an end of water main 10 is communicated with recirculated water water outlet 3, and the other end of water main 10 is communicated with sewage outlet 4, be communicated with some branching pipes 9 on the water main 10, branching pipe 9 is fishbone shape uniform distribution, and branching pipe 9 is provided with aperture 11, and the quantity of aperture 11 is several, have identical distance between the aperture 11, aperture 11 is provided with at an angle.
During operation, sewage confuses the sewage inlet 5 of ozone by reactor shell 1 bottom and together enters inside reactor, sewage arrives the top of reactors through stainless (steel) wire layer by layer 12 in reactor, 12 pairs of sewage of stainless (steel) wire filter, in this process, UV-lamp is by the internal irradiation of ultraviolet lamp hole 2 to reactor shell 1, carry out photochemical catalytic oxidation with the inwall of reactor shell 1 and the Nano titanium dioxide coating on the stainless (steel) wire 12, realization is carried out high oxidation to the organic pollutant that is difficult in the sewage degrade and is decomposed, after sewage arrives the top of reactor, enter branching pipe 9 by aperture 11, arrive recirculated water water outlet 3 through water main 10, water pump and pipeline through reactor shell 1 outer setting arrive sewage inlet 5 formation circulations, thereby can effectively carry out repeatedly oxide treatment, good sewage processing effect; The sewage of handling well flows out from sewage outlet 4.
This oxidation reactor adds photochemical catalysis and titanium deoxide catalyst oxidation technology on the basis of the ozone oxidation method of routine, during operation in the synergy of photochemical catalysis and ozone oxidation, produce the extremely strong hydroxy radical qiao of oxidisability, the organic pollutant that is difficult to degrade with usual way in the water can be decomposed into CO
2, H
2O and other inorganics, make the long-chain macromolecule material or contain difficult degradation pollutent generation chain rupture, the open loop of phenyl ring, azo structure, make it partially or completely to decompose, the chromophoric group that destroys dye molecule makes its decolouring, have the catalytic activity height, the advantage of the reusable edible that do not run off, solved nanometer powdery optically catalytic TiO 2 active high and be difficult to recycle, contradiction that processing efficiency is on the low side.
This oxidation reactor can be applied in following aspect:
(1) agricultural chemicals waste water of organophosphorus is handled
Adopt TiO
2, SiO
2The loading type composite photo-catalyst utilizes its photocatalytic activity and efficient adsorptivity, can make organophosphorus pesticide in its surface enrichment rapidly, and with the prolongation of light application time, the photodissociation rate of organophosphorus pesticide raises gradually, and illumination 80min can degrade fully.
(2) wool dyeing and finishing wastewater treatment
With TiO
2Be coated in the reactor, make waste water carry out Treatment by Photocatalysis Oxidation at the reactor internal recycle by water pump.Because TiO
2Has huge surface-area, contact more fully with organism in the waste water, they can be adsorbed on its surface to greatest extent, and organism be resolved into carbonic acid gas and water rapidly, treatment effect is better than biological treatment and suspension photocatalytic oxide treatment, and COD clearance and percent of decolourization are all high.
(3) chlorinatedorganic wastewater treatment
Utilize ozone and TiO
2Behind the photocatalyst combination treatment 2h, the residual concentration of 3-chlorophenol is 0, and phenol decomposes behind 1.5h fully, and trieline also decomposes behind 2h fully.
(4) oily(waste)water is handled
Organism such as the contained aliphatic hydrocarbon of oily(waste)water, polycyclic aromatic hydrocarbons, organic acid, phenols are difficult to degraded, use TiO
2, utilize its photocatalytic degradation function, these organism of can degrading rapidly.
Claims (10)
1. oxidation reactor, comprise reactor shell (1), sewage outlet (4) and sewage inlet (5), it is characterized in that: the inside of described reactor shell (1) is provided with several layers stainless (steel) wire (12), and the inwall of reactor shell (1) and stainless (steel) wire (12) are provided with the Nano titanium dioxide coating.
2. a kind of oxidation reactor as claimed in claim 1, it is characterized in that: the inside of described reactor shell (1) is provided with water main (10), one end of water main (10) is communicated with sewage outlet (4), is communicated with some branching pipes (9) on the water main (10).
3. a kind of oxidation reactor as claimed in claim 2 is characterized in that: described branching pipe (9) is fishbone shape uniform distribution.
4. a kind of oxidation reactor as claimed in claim 3 is characterized in that: described branching pipe (9) is provided with aperture (11).
5. a kind of oxidation reactor as claimed in claim 2 is characterized in that: described reactor shell (1) is provided with recirculated water water outlet (3), and recirculated water water outlet (3) is communicated with the other end of water main (10).
6. a kind of oxidation reactor as claimed in claim 5 is characterized in that: the communication apparatus that is provided with communication loop water water outlet (3) and sewage inlet (5) in the outside of reactor shell (1).
7. a kind of oxidation reactor as claimed in claim 6 is characterized in that: described communication apparatus comprises water pump and pipeline.
8. as one of them described a kind of oxidation reactor of claim 1-7, it is characterized in that: described reactor shell (1) is provided with ultraviolet lamp hole (2).
9. a kind of oxidation reactor as claimed in claim 8 is characterized in that: described ultraviolet lamp hole (2) uniform distribution.
10. a kind of oxidation reactor as claimed in claim 1 is characterized in that: described stainless (steel) wire (12) is horizontally disposed with and uniform distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200348897U CN201981079U (en) | 2011-02-09 | 2011-02-09 | Oxidation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200348897U CN201981079U (en) | 2011-02-09 | 2011-02-09 | Oxidation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201981079U true CN201981079U (en) | 2011-09-21 |
Family
ID=44608543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200348897U Expired - Lifetime CN201981079U (en) | 2011-02-09 | 2011-02-09 | Oxidation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201981079U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570171A (en) * | 2012-08-15 | 2014-02-12 | 山东蓝天节能环保科技有限公司 | Equipment for recovering high-salinity high-chroma dyeing wastewater |
| CN105502808A (en) * | 2015-12-07 | 2016-04-20 | 江苏博大环保股份有限公司 | System for treating oil field effluent by combining double A/O biochemistry with advanced oxidation |
| CN108031170A (en) * | 2017-12-14 | 2018-05-15 | 九江精密测试技术研究所 | A kind of nanoscale TiO for full-automatic back washing filter2Automatically cleaning filter core |
| CN108423749A (en) * | 2018-03-23 | 2018-08-21 | 岭南师范学院 | A kind of low pressure mercury lamp photocatalysis apparatus |
-
2011
- 2011-02-09 CN CN2011200348897U patent/CN201981079U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570171A (en) * | 2012-08-15 | 2014-02-12 | 山东蓝天节能环保科技有限公司 | Equipment for recovering high-salinity high-chroma dyeing wastewater |
| CN105502808A (en) * | 2015-12-07 | 2016-04-20 | 江苏博大环保股份有限公司 | System for treating oil field effluent by combining double A/O biochemistry with advanced oxidation |
| CN108031170A (en) * | 2017-12-14 | 2018-05-15 | 九江精密测试技术研究所 | A kind of nanoscale TiO for full-automatic back washing filter2Automatically cleaning filter core |
| CN108423749A (en) * | 2018-03-23 | 2018-08-21 | 岭南师范学院 | A kind of low pressure mercury lamp photocatalysis apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170306 Address after: 261500 Gaomi City, Shandong Yi An Avenue (North), No. 2899, No. Patentee after: Shandong Gaomi Lantian Environmental Protection Engineering Co., Ltd. Address before: 261500 Shandong province Gaomi City Liquan street community revitalization Street No. 30 Patentee before: Du Dunjie |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Oxidation reactor Effective date of registration: 20170711 Granted publication date: 20110921 Pledgee: Shandong Gaomi rural commercial bank Limited by Share Ltd Pledgor: Shandong Gaomi Lantian Environmental Protection Engineering Co., Ltd. Registration number: 2017980000305 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180917 Granted publication date: 20110921 Pledgee: Shandong Gaomi rural commercial bank Limited by Share Ltd Pledgor: Shandong Gaomi Lantian Environmental Protection Engineering Co., Ltd. Registration number: 2017980000305 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |
|
| CX01 | Expiry of patent term |