CN204529556U - Trade effluent oxidation equipment - Google Patents
Trade effluent oxidation equipment Download PDFInfo
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- CN204529556U CN204529556U CN201520091974.5U CN201520091974U CN204529556U CN 204529556 U CN204529556 U CN 204529556U CN 201520091974 U CN201520091974 U CN 201520091974U CN 204529556 U CN204529556 U CN 204529556U
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- double wall
- closed casing
- trade effluent
- wall tube
- pipeline
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Abstract
The utility model relates to industrial waste water disposal device, an i.e. trade effluent oxidation equipment, trade effluent oxidation equipment, wherein: comprise installation base plate, be positioned at the mixing tank on installation base plate, this mixing tank is connected by pipeline and sump pump and trade effluent; Described mixing tank is connected by pipeline and dosing pump and at least one dosing tank, and the water outlet of mixing tank is connected by the water-in of pipe-and-filter; The water outlet of strainer is communicated with ultraviolet catalyzed case by pipeline.Due to described technique and structure, reduce energy consumption, reduce maintenance cost, reduce use cost, structure is simple and applied widely.
Description
Technical field
The utility model relates to industrial waste water disposal device, especially a kind ofly reduces energy consumption, reduces maintenance cost, reduces use cost, structure trade effluent oxidation equipment simple and applied widely.
Background technology
Along with the progress of society, industrialization development is more and more flourishing, following industrial pollution is also more and more serious, causes environmental pollution consequence very serious, the organic pollutant (PVA as in dye-printing desizing) especially wherein containing a large amount of difficult degradation, high chroma organic wastewater, some contains carcinogenic substance and highly toxic substance waste water (benzopyrene etc. as in wastewater from chemical industry), because of its be difficult to biological degradation process and chroma in waste water high, smell be pungent, carcinogenic teratogenesis, seriously polluted.Great puzzlement is brought to the production of the mankind and life, and the pollutant removal difficulty of the organic waste water of such difficult degradation is large, and it is large to remove difficulty, processing costs is high, system investments is huge, this enterprise also producing this type of pollutant effluents to us causes great puzzlement, also causes great ill effect to environment.
At present, process high density and high chroma organic waste water mainly adopt following 5 large class methods:
(1), activated carbon adsorption, this method technics comparing is simple, but it is not thorough to remove colourity, be only simple primary treatment, and the activated carbon adsorption life-span is short, absorption will soon be reached saturated, just need to use up frequently large purchase gac cost and loaded down with trivial details manually going changes gac, just need high temperature regeneration gac, cause energy consumption, cost high, and can secondary pollution be produced; Simultaneously active carbon adsorption equipment floor space is large, and gac needs frequent backwash in operational process, bring operation inconvenience, at substantial water and also discharge the disadvantage that waste liquid can cause secondary pollution;
(2), with coagulant sedimentation, the method is widely used, but treatment effect is not thorough, after process, setting sense organ is poor, can only apply, also there is following shortcoming: occupation area of equipment is large simultaneously as the pretreatment technology of high-colour intensity wastewater, operation needs at substantial coagulating agent, the mud produced after coagulant precipitation can cause secondary pollution, and sludge treatment difficulty is high, and expense is large;
(3), single oxidation style, use H
2o
2,, ozone or other oxygenant be oxidized organic waste water, single oxidation style technique is simple, treatment effect is direct, but use the oxidation effectiveness of single-oxidizer poor, poor to the removal ability of pollutent, and very large by drug level, PH environment, the impact in reaction times, and the running cost of medicament is high, and medicament is residual easily causes secondary pollution;
(4), with biological method, such as oxidation pond process, tower biological filtering basin and contact oxidation method etc. reduce the COD of waste water, colourity etc., biological process is that to process waste water use range at present the widest, use cost is minimum, the method that cost performance is higher, but biochemical and the poor waste water of biodegradability are not possessed for some, the method is inapplicable, and the decolorizing effect of biochemical system when processing high-colour intensity wastewater is general all undesirable, the situation that biochemical rear colourity increases considerably also is found in real work, give and adopt such waste water of biochemical method process to bring puzzlement,
(5), Fenton advanced oxidation processes: Fenton process is a kind of oxidation treatment method of compound, treatment effect is good, reaction times is short and direct, Sewage advanced treatment that usually still can not be up to standard for biochemical system rear end, by the waste water of the method process generally can be comparatively stable reach discharge, but the cost of use of medicament is very high, and be the continuous treating processes continuing to add, general enterprise is difficult to bear follow-up cost of use.
(6), the conbined usage of multiple oxidation catalysis effect: the conbined usage of current multiple oxidation catalysis effect starts in high concentration wastewater treatment field to occur and attempt, and also has experiment and the research of this respect.But do not release the efficiently catalyzing and oxidizing sewage disposal device of industrial applications in the practice of sewage disposal.
In sum, the high density of prior art and high chroma treatment of Organic Wastewater energy consumption is large, maintenance cost is high, use cost is high, complex structure and same equipment scope of application limitation large.
Utility model content
The purpose of this utility model is to provide and a kind ofly reduces energy consumption, reduces maintenance cost, reduces use cost, structure trade effluent oxidation equipment simple and applied widely.
The technical scheme adopted for realizing the utility model above-mentioned purpose is: a kind of trade effluent oxidation equipment, wherein: comprise installation base plate, is positioned at the mixing tank on installation base plate, and this mixing tank is connected by pipeline and sump pump and trade effluent; Described mixing tank is connected by pipeline and dosing pump and at least one dosing tank, and the water outlet of mixing tank is connected by the water-in of pipe-and-filter;
The water outlet of strainer is communicated with ultraviolet catalyzed case by pipeline, this ultraviolet catalyzed case comprises again closed casing, be arranged on the double wall tube that in closed casing at least one is transparent, the outer wall top and the bottom of this double wall tube are provided with the pipe connecting connected with the interlayer cavity of double wall tube, the pipeline that one of them pipe connecting is communicated with the water outlet of strainer is connected, the inner space of another pipe connecting and closed casing, closed casing is provided with the blow-off pipe with the inner space of closed casing; The quartz burner with external power source conducting is provided with in the inner chamber of described double wall tube;
When described double wall tube is at least two, the pipe connecting between adjacent two double wall tubes is connected in series the roundabout runner formed for trade effluent circulation mutually by tube stub; The pipeline that the pipe connecting being positioned at the double wall tube of front position is communicated with the water outlet of strainer is connected, and is positioned at a pipe connecting of the double wall tube of rearmost position and the inner space of closed casing.
Due to said structure, reduce energy consumption, reduce maintenance cost, reduce use cost, structure is simple and applied widely.
Accompanying drawing explanation
The nonlimiting examples that the utility model can be provided by accompanying drawing further illustrates.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the utility model takes off structural representation after outer cover.
Fig. 3 is the structural representation in another direction after the utility model takes off outer cover.
Fig. 4 is the sectional structure schematic diagram at the utility model ultraviolet catalyzed case place.
Fig. 5 is the structural representation that quartz burner place is housed in the single double wall tube of the utility model.
Fig. 6 is the structural representation that quartz burner place is housed in the utility model three double wall tubes.
In figure: 1, installation base plate; 2, mixing tank; 3, sump pump; 4, dosing pump; 5, dosing tank; 6, strainer; 7, ultraviolet catalyzed case; 701, closed casing; 702, double wall tube; 703, pipe connecting; 704, quartz burner; 705, tube stub; 706, preset pieces; 707, inserting groove; 708, grafting projection; 709, rubber sealing boot; 8, steam-water mixing pump; 9, ozonizer; 10, carbonated drink reliever; 11, ultrasonic generator; 12, outer cover; 13, charcoal absorption treatment unit; 14, blow-off pipe.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
See the trade effluent oxidation equipment in accompanying drawing 1 to 6, figure, wherein: comprise installation base plate 1, be positioned at the mixing tank 2 on installation base plate 1, this mixing tank 2 is connected with trade effluent by pipeline and sump pump 3; Described mixing tank 2 is connected with at least one dosing tank 5 by pipeline and dosing pump 4, and the water outlet of mixing tank 2 is connected by the water-in of pipe-and-filter 6;
The water outlet of strainer 6 is communicated with ultraviolet catalyzed case 7 by pipeline, this ultraviolet catalyzed case 7 comprises again closed casing 701, be arranged on the double wall tube 702 that in closed casing 701 at least one is transparent, the outer wall top and the bottom of this double wall tube 702 are provided with the pipe connecting 703 connected with the interlayer cavity of double wall tube 702, the pipeline that one of them pipe connecting 703 is communicated with the water outlet of strainer 6 is connected, another pipe connecting 703 and the inner space of closed casing 701, closed casing 701 is provided with the blow-off pipe 14 with the inner space of closed casing 701; The quartz burner 704 with external power source conducting is provided with in the inner chamber of described double wall tube 702;
When described double wall tube 702 is at least two, the pipe connecting 703 between adjacent two double wall tubes 702 is connected in series the roundabout runner formed for trade effluent circulation mutually by tube stub 705; The pipeline that the pipe connecting 703 being positioned at the double wall tube 702 of front position is communicated with the water outlet of strainer 6 is connected, and is positioned at a pipe connecting 703 of the double wall tube 702 of rearmost position and the inner space of closed casing 701.
For improving oxidation effectiveness further, high chroma, poisonous carcinogenic organism in further removal trade effluent, in above-described embodiment, preferably: connected by the water-in of pipeline and steam-water mixing pump 8 with the pipe connecting 703 of the inner space of closed casing 701, the water-in of this steam-water mixing pump 8 is also connected with ozonizer 9, the water outlet of described steam-water mixing pump 8 is by connecting through the pipeline of closed casing 701 wall body and carbonated drink reliever 10, and this carbonated drink reliever 10 is arranged in the inner chamber of closed casing 701.
High chroma, poisonous carcinogenic organism in trade effluent is removed further for nearer, hydrocarbon chain rupture is effectively broken to high chroma, poisonous carcinogenic organism in trade effluent, in above-described embodiment, preferably: described closed casing 701 is outside equipped with the ultrasonic generator 11 with external power source conducting, this ultrasonic generator 11 is fixed on installation base plate 1.
For ease of handling double wall tube 702, in above-described embodiment, preferably: described double wall tube 702 top is fixed on by rectangle preset pieces 706 on the top cover of closed casing 701; One adjacent two side of this preset pieces 706 is provided with inserting groove 707, and another adjacent two side of preset pieces 706 is provided with grafting projection 708, and described grafting projection 708 matches with inserting groove 707;
When described double wall tube 702 is at least two, the preset pieces 706 between adjacent two double wall tube 702 tops forms strongback by the grafting projection 708 matched with the mutual grafting of inserting groove 707.
For effectively ensureing the work-ing life of quartz burner 704, in above-described embodiment, preferably: be tightly connected by rubber sealing boot 709 between described double wall tube 702 and quartz burner 704.
For extending the work-ing life of each parts, in above-described embodiment, preferably: described installation base plate 1 is provided with outer cover 12.
For ease of subsequent disposal, in above-described embodiment, preferably: be communicated with charcoal absorption treatment unit 13 with the water outlet of the blow-off pipe 14 of the inner space of closed casing 701.Certainly, subsequent disposal can also be other process, is not limited to charcoal absorption treatment unit 13.
In above-mentioned all embodiments; described double wall tube 702 can adopt coil pipe or serpentine tube to replace; corresponding pipe connecting 703 just with the inner space of coil pipe or serpentine tube, quartz burner 704 is located in coil pipe or serpentine tube center, also belongs to protection category of the present utility model.
For realizing intelligent management, in above-described embodiment, preferably: described mixing tank 2, sump pump 3, dosing pump 4, dosing tank 5, quartz burner 704, steam-water mixing pump 8, ozonizer 9, carbonated drink reliever 10, ultrasonic generator 11 are by the housing controlling run with PLC control strip of whole trade effluent, they are connected with the housing with PLC control strip by data line, and all adopt enforcement sale product.
In use, quartz burner 704 selects the quartz burner that wavelength is shorter, energy is higher to said structure, and the one between wavelength circle 185 nm 1 nm, its energy is relatively high, and such as H selected by the oxygenant in dosing tank 5
2o
2,it directly acts on water, causes the homolytic reaction of water:
Active intermediate OH, H and eaq (hydrated electron) of high density can be produced, and H
2o
2also can OH be generated under ultraviolet effect:
The catalytic oxidation process that also there occurs ozone and UV-light, ozone and ultrasonic wave, ultrasonic wave and the various complexity such as UV-light and combine in said structure.Such as: when ozone is by ultraviolet lighting, produce free oxygen O., O. and water react and generate .OH, also produce other excite state material and free radical, the collaborative degradation rate significantly accelerating pollutent between ozone and UV-light.Ultrasonic wave is combined with ozone oxidation and the dispersion of ozone in processed waste water is strengthened with dissolving, and strengthening ozone decomposed ability, reduces ozone dosage, produce a large amount of free radicals; " High Temperature High Pressure ozone cavitating bubble " fast decoupled organic pollutant of ultrasonic+ozone generation.Be suitable for various industrial sewage, realize the effective process to trade effluent.
certainly, the oxygenant in dosing tank 5 can also be that PH adjusts medicament, O
3deng oxygenant or catalyzer, so dosing tank 5 is two in the embodiment that provides of accompanying drawing, corresponding dosing pump 4 is also two.
Above-mentioned technology and equipment is when processing, filter 6 is flowed through after the medicine generation hybrid reaction that trade effluent drops into dosing pump 4 after sump pump 3 pressurizes in mixing tank 2, non-solubility pollutent in the filter bag interception sewage of strainer 6 and reaction product, for follow-up catalytic oxidation provides favourable reaction environment.In preprocessing part, collectively form ozone mixing release system by steam-water mixing pump 8, ozonizer 9 and carbonated drink reliever 10.The medicine dropped in this stage can carry out the adjustment of suitable kind selection, dosage and concentration according to the water quality situation of waste water.As: PH can be selected to adjust medicament, H202,03 grade oxygenant, catalyzer etc.Double wall tube 702 is entered into through the sewage after strainer 6 filter bag, this double wall tube 702 is bilayer structure layered quartz tube, the quartz burner 704 inside established is by rubber sealing boot 709 waterproof, and the region between the outer silica tube of double wall tube 702 and layered quartz tube is reaction zone; The intake-outlet of many double wall tubes 702 joins end to end, form ultraviolet catalytic oxidation reactive system, in this reactive system, by certain flow velocity, (this flow velocity can adjust water inlet water pump in PLC according to water quality situation waste water, variable frequency control is run) carry out catalytic oxidation, ensure reaction time.Ozone and ultraviolet ray ultrasonic wave complex reaction district [i.e. the inner chamber of ultraviolet catalyzed case 7] is entered into by the water outlet after ultraviolet catalytic oxidation reactive system, in this ozone and ultraviolet ray ultrasonic wave complex reaction district, what ozonizer 9 produced 03 is placed to circulate fully with waste water with the air-water mixing pump 8 outside complex reaction district and mixes, and discharged in complex reaction district by carbonated drink reliever 10, this carbonated drink reliever 10 can discharge ozone, air, the well-mixed microbubble carbonated drink of sewage, ultrasonic generator 11 outside this complex reaction district combines with ozone oxidation to use and ozone can be made fully to disperse and be dissolved in processed waste water, greatly improve its oxidation capacity at the dosage decreasing ozone simultaneously, materialization by means of ultrasound cavitation effect and generation thereof is used for strengthening the decomposition of ozone, produce a large amount of free radicals, pollutent in waste water also directly can carry out fast decoupled in the High Temperature High Pressure ozone cavitating bubble of ultrasonic generation.Ultrasonicly toxic organic compound can be degraded to even nontoxic small molecules less of original organism toxicity, degradation speed is fast, and this reaction process coordinates the air supporting effect of microbubble simultaneously, also makes the removal ability of pollutent strengthen further.The meanwhile irradiation of the outer quartz socket tube of UV light permeability also coordinates the complex reaction of ultrasonic system and ozone oxidation system, and the processing power of system strengthens greatly, is the processing power in the past not available for any equipment, can not causes secondary pollution.
The advantage that above-mentioned technique and structure have is as follows:
1, a large amount of very active HO free radical can be produced.Its oxidation capacity (2.80V), be only second to fluorine (2.87V), HO free radical is the intermediate product of reaction, chain reaction below can be brought out, the electron affinity energy of HO free radical is 569.3KJ, the H in stable hydrocarbon can be pulled out, forms organic autoxidation, thus organism is degraded, this is all kinds of oxygenant is used alone or certain two kinds of compound use all can not be accomplished processing power and effect;
2, speed of response is fast, and most organism and hydroxyl radical free radical oxidation rate constant can reach 106-109M-1S-1;
3, a large amount of HO free radical is degraded to carbonic acid gas, water and minerals without the free radical reaction selected directly and in trade effluent, can not produce secondary pollution;
4, reaction conditions is gentle, usually to temperature and pressure no requirement (NR), is easy to be controlled, to meet the process needs of different concns and kind trade effluent;
5, it both can individual curing, can match again with other processing module, as the pre-treatment of biochemical treatment, aftertreatment, improve treatment effect and reduced processing cost;
6, after being connected with the housing with PLC control strip, level of automation is high, and parameter can freely be arranged;
7, water source diversity, can adapt to the waste water of various organic, high chroma, high toxicity, high carcinogenic substance.The hardware condition of aforesaid device possesses the environment forming multiple reaction conditions, as UV/ H
2o
2, UV/ O
3, UV/ H
2o
2/ O
3the alkyl radical that ultrasonic wave Strong oxdiative etc. is formed in these processes interior various free radicals make most of oxidation operation generate carbonic acid gas and who, the low BOD waste water of high ammonia content height COD can be processed, containing the petrochemical wastewater of complicated hydro carbons, the various waste water that not treatable difficulty is higher in conventional manner such as the TNT explosive waste water that bio-toxicity is large; Process the high waste water of colourity at short notice, can be oxidized in the short period of time organic pollutant or toxicity, the carcinogenic teratogen that mineralizing and degrading major part is not easy degraded, improve the biodegradability of waste water, disinfection is very competent.This complex reaction system widely can be applied to the pretreatment and advanced treatment of textile printing and dyeing, pharmaceutical chemical industry waste water, refuse leachate, food and leather waste water etc., the process of the degree of depth sterilization of the advanced treatment of coking chemical waste water, dye-printing desizing (PVA) waste water, oil field priming petock, industrial cooling circulating water, tap water.Pre-treatment as waste water will greatly improve the effect of back segment process, as: biochemical treatment, air-flotation process, flocculation sediment process etc., can improve wastewater discharge standard as advanced treatment, enterprise can be helped to realize the objects such as Treated sewage reusing smoothly;
8, technique is simply easy to implement, and device structure is simple, and dismounting and repair and maintenance are conveniently;
9, device processes performance not easily decays, at the inner chamber of closed casing 701 due to hyperacoustic powerful decontamination and cleansing power, make to obtain inside and outside double wall tube 702 at any time and strong decontamination clean, make double wall tube 702 can not contaminated thing and always can keep the light transmission of height, ensure that the catalytic capability of quartz burner is not weakened;
10, working cost is low, and medicament expense is low, and pollution-free by product produces.
Obviously, all embodiments of foregoing description are a part of embodiments of the present utility model, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the category of the utility model protection.
In sum, the utility model reduces energy consumption, reduces maintenance cost, reduces use cost, structure is simple and applied widely.
Claims (7)
1. a trade effluent oxidation equipment, is characterized in that: comprise installation base plate (1), is positioned at the mixing tank (2) on installation base plate (1), and this mixing tank (2) is connected with trade effluent by pipeline and sump pump (3); Described mixing tank (2) is connected with at least one dosing tank (5) by pipeline and dosing pump (4), and the water outlet of mixing tank (2) is connected by the water-in of pipe-and-filter (6);
The water outlet of strainer (6) is communicated with ultraviolet catalyzed case (7) by pipeline, this ultraviolet catalyzed case (7) comprises again closed casing (701), be arranged on the double wall tube (702) that in closed casing (701) at least one is transparent, the outer wall top and the bottom of this double wall tube (702) are provided with the pipe connecting (703) connected with the interlayer cavity of double wall tube (702), the pipeline that one of them pipe connecting (703) is communicated with the water outlet of strainer (6) is connected, the inner space of another pipe connecting (703) and closed casing (701), closed casing (701) is provided with the blow-off pipe (14) with the inner space of closed casing (701), be provided with in the inner chamber of described double wall tube (702) and the quartz burner of external power source conducting (704),
When described double wall tube (702) is at least two, the pipe connecting (703) between adjacent two double wall tubes (702) is connected in series the roundabout runner formed for trade effluent circulation mutually by tube stub (705); The pipeline that the pipe connecting (703) being positioned at the double wall tube (702) of front position is communicated with the water outlet of strainer (6) is connected, and is positioned at a pipe connecting (703) of the double wall tube (702) of rearmost position and the inner space of closed casing (701).
2. trade effluent oxidation equipment according to claim 1, it is characterized in that: connected by the water-in of pipeline and steam-water mixing pump (8) with the pipe connecting (703) of the inner space of closed casing (701), the water-in of this steam-water mixing pump (8) is also connected with ozonizer (9), the water outlet of described steam-water mixing pump (8) is by connecting through the pipeline of closed casing (701) wall body and carbonated drink reliever (10), and this carbonated drink reliever (10) is arranged in the inner chamber of closed casing (701).
3. trade effluent oxidation equipment according to claim 1 and 2, it is characterized in that: described closed casing (701) is outside equipped with and the ultrasonic generator of external power source conducting (11), and this ultrasonic generator (11) is fixed on installation base plate (1).
4. trade effluent oxidation equipment according to claim 1, is characterized in that: described double wall tube (702) top is fixed on the top cover of closed casing (701) by rectangle preset pieces (706); The one adjacent two side of this preset pieces (706) is provided with inserting groove (707), and another adjacent two side of preset pieces (706) is provided with grafting projection (708), and described grafting projection (708) and inserting groove (707) match;
When described double wall tube (702) is at least two, the preset pieces (706) between adjacent two double wall tube (702) tops forms strongback by the grafting projection (708) matched with the mutual grafting of inserting groove (707).
5. the trade effluent oxidation equipment according to claim 1 or 4, is characterized in that: be tightly connected by rubber sealing boot (709) between described double wall tube (702) and quartz burner (704).
6. trade effluent oxidation equipment according to claim 1, is characterized in that: described installation base plate (1) is provided with outer cover (12).
7. trade effluent oxidation equipment according to claim 1, is characterized in that: be communicated with charcoal absorption treatment unit (13) with the water outlet of the blow-off pipe of the inner space of closed casing (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091974.5U CN204529556U (en) | 2015-02-09 | 2015-02-09 | Trade effluent oxidation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091974.5U CN204529556U (en) | 2015-02-09 | 2015-02-09 | Trade effluent oxidation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204529556U true CN204529556U (en) | 2015-08-05 |
Family
ID=53743571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520091974.5U Withdrawn - After Issue CN204529556U (en) | 2015-02-09 | 2015-02-09 | Trade effluent oxidation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204529556U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649491A (en) * | 2015-02-09 | 2015-05-27 | 重庆金洋环保工程有限公司 | Process and equipment for catalytic oxidation of industrial wastewater |
| CN106986412A (en) * | 2017-04-17 | 2017-07-28 | 重庆市潼南区九橡化大环保科技有限公司 | UV treatment sewage Special sterilizing pond |
-
2015
- 2015-02-09 CN CN201520091974.5U patent/CN204529556U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649491A (en) * | 2015-02-09 | 2015-05-27 | 重庆金洋环保工程有限公司 | Process and equipment for catalytic oxidation of industrial wastewater |
| CN104649491B (en) * | 2015-02-09 | 2016-05-18 | 重庆金洋环保工程有限公司 | Industrial wastewater oxidation equipment |
| CN106986412A (en) * | 2017-04-17 | 2017-07-28 | 重庆市潼南区九橡化大环保科技有限公司 | UV treatment sewage Special sterilizing pond |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150805 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |