CN204689706U - A kind of Multistage external circulating formula ozone contact reaction device - Google Patents
A kind of Multistage external circulating formula ozone contact reaction device Download PDFInfo
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- CN204689706U CN204689706U CN201520383454.1U CN201520383454U CN204689706U CN 204689706 U CN204689706 U CN 204689706U CN 201520383454 U CN201520383454 U CN 201520383454U CN 204689706 U CN204689706 U CN 204689706U
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- oxidizing tower
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- circulation line
- contact reaction
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Abstract
A kind of Multistage external circulating formula ozone contact reaction device, it comprises, the two-stage oxidation tower be arranged in series, the external circulation line of a connection tower body top and bottom separately established respectively by first step oxidizing tower, second stage oxidizing tower, all establish a recycle pump and jet mixer in this two external circulation line, the jet mixer in first step oxidizing tower external circulation line also connects an ozone pipeline; The top of first step oxidizing tower, second stage oxidizing tower also sets out the mouth of a river, and the water outlet of first step oxidizing tower is connected to the bottom of the second oxidizing tower by connecting pipeline; Offgas outlet is established at the top of first step oxidizing tower, the second oxidizing tower, and the offgas outlet of first step oxidizing tower is connected to the jet mixer in the external circulation line of the second oxidizing tower by connecting pipeline; Water-in is established respectively in the bottom of first step oxidizing tower, second stage oxidizing tower, and the water outlet on the top of first step oxidizing tower connects the water-in of oxidizing tower bottom, the second stage by pipeline; In first step oxidizing tower, middle part arranges filler.
Description
Technical field
The utility model relates to industrial sewage treatment technology, particularly a kind of Multistage external circulating formula ozone contact reaction device, for industrial sewage advanced treatment, reduces water outlet chemical oxygen demand (COD) and colourity.
Background technology
Ozone contact reaction technique has in industry and municipal water treatment field to be applied comparatively widely.Main media ozone, as a kind of strong oxidizer, has sterilization, decolouring and transforms the effect of hardly degraded organic substance, being mainly used in the fields such as paper technology, decolorizing printing and dyeing waste water and difficult degradation advanced treatment of wastewater.
Be used alone ozonation technology and have that solubleness is low, utilization ratio is low, oxidation capacity is not enough and the problem that range of choice is narrow.The kinetic factor that efficiency when the factor affecting ozone oxidation efficiency comprises liquid phase mass transfer and ozone and organism react.Adopt catalyzer can promote the decomposition of ozone in water, accelerate oxidation operation speed, meanwhile, adopt the filler of band katalysis to contribute to improving gas-liquid mass transfer efficiency, thus improve the dissolved efficiency of ozone.
Summary of the invention
The purpose of this utility model is to provide a kind of Multistage external circulating formula ozone contact reaction device, for industrial sewage advanced treatment, can reduce water outlet chemical oxygen demand (COD) and colourity, has and takes up an area province, efficiency advantages of higher.
For achieving the above object, the technical solution of the utility model is:
A kind of Multistage external circulating formula ozone contact reaction device, it comprises, the two-stage oxidation tower be arranged in series, the external circulation line of a connection tower body top and bottom separately established respectively by first step oxidizing tower, second stage oxidizing tower, all establish a recycle pump and jet mixer in this two external circulation line, the jet mixer in first step oxidizing tower external circulation line also connects an ozone pipeline; The top of first step oxidizing tower, second stage oxidizing tower also sets out the mouth of a river, and the water outlet of first step oxidizing tower is connected to the bottom of the second oxidizing tower by connecting pipeline; Offgas outlet is established at the top of first step oxidizing tower, the second oxidizing tower, and the offgas outlet of first step oxidizing tower is connected to the jet mixer in the external circulation line of the second oxidizing tower by connecting pipeline; Water-in is established respectively in the bottom of first step oxidizing tower, second stage oxidizing tower, and the water outlet on the top of first step oxidizing tower connects the water-in of oxidizing tower bottom, the second stage by pipeline; In first step oxidizing tower, middle part arranges filler.
Further, described filler adopts the filler of resistance to ozone corrosion and high concentration suspended matter, and supported catalyst metal on filler.
Preferably, on described filler filler, catalytic metal is CuO/Al
2o
3, TiO
2/ Al
2o
3or ceramic honey comb.
Again, described recycle pump is also equipped with the frequency transformer that can realize Flow-rate adjustment.
Existing ozone contact reaction system mainly adopts civil engineering pond bodily form formula, and cost is lower, is mainly applicable to the situation of large-and-medium size cities water factory.In the face of the industrial sewage of the little water yield, civil engineering pond body floor space is larger, and be vulnerable to the impact of the factors such as construction period, and classical inverse answers pot type to be single stage type, the ozone that part ozonizer can be caused to produce is without reaction directly discharge, cause ozone dosage too high, and there is the higher problem of running cost.
The utility model achieves Multistage external circulating ozone contact reaction flow process, first step reaction unit outlet tail gas directly uses as second stage reaction unit air inlet, sewage treating efficiency and ozone utilization rate can be improved dissolve and mass-transfer efficiency by adopting the mode controlling outer circulation ratio and arrange catalytic filler to improve gas-liquid simultaneously, can running cost be reduced, improve economy and the suitability of technique.
The beneficial effects of the utility model:
Ozone contact reaction system was single stage type and aeration facility is built-in in the past, and part ozone is not consumed and directly discharges, and there is running cost higher, the problem of maintenance inconvenience.
The utility model achieves Multistage external circulating ozone contact reaction flow process, and first step reaction unit (oxidizing tower) exports tail gas and directly uses as second stage reaction unit air inlet, can use ozone expeditiously; Dissolve and mass-transfer efficiency by adopting the mode controlling outer circulation ratio and arrange catalytic filler to improve gas-liquid simultaneously, adopt external Liqiud-gas mixing device (jet mixer), simply easy to maintenance, can running cost be reduced simultaneously, improve economy and the suitability of technique.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
See Fig. 1, a kind of Multistage external circulating formula ozone contact reaction device of the present utility model, it comprises, the two-stage oxidation tower be arranged in series, the external circulation line 3,4 of a connection tower body top and bottom separately established respectively by first step oxidizing tower 1, second stage oxidizing tower 2, all establish a recycle pump 5,5 ' and jet mixer 6,6 ' in this two external circulation line 3,4, the jet mixer in described first step oxidizing tower 1 external circulation line 3 also connects an ozone pipeline 100; The top of first step oxidizing tower 1, second stage oxidizing tower 2 also sets out the mouth of a river 11,21, and the water outlet 11 of first step oxidizing tower 1 is connected to the bottom of the second oxidizing tower 2 by connecting pipeline; Offgas outlet 12,22 is established at the top of first step oxidizing tower 1, second oxidizing tower 2, and the offgas outlet 12 of first step oxidizing tower 1 is connected to the jet mixer 6 ' in the external circulation line 4 of the second oxidizing tower 2 by connecting pipeline 100; The bottom of first step oxidizing tower 1, second stage oxidizing tower 2 establishes water-in 13,23 respectively, and the water outlet 11 on the top of first step oxidizing tower 1 connects the water-in 23 of second stage oxidizing tower 2 bottom by pipeline 200; In first step oxidizing tower 1, middle part arranges filler 7.
Water inlet is through being pumped to first step oxidizing tower, after oxygen prepares ozone by ozonizer, under the effect of recycle pump and jet mixer outside, rapid dispersion is in first step oxidizing tower, again with filler and water inlet co-current contact, whole filler adopts corrosion-resistant and anti-clogging plug material, and area load catalytic metal is to improve hydroxyl radical free radical transformation efficiency in ozone oxidation process.Re-use to second stage oxidizing tower through the external circulation line of the reacted tail gas of first step oxidizing tower by second stage oxidizing tower.
In the present embodiment, described recycle pump is also equipped with the frequency transformer that can realize Flow-rate adjustment, regulation range is 100% ~ 500% of flooding velocity.
The mode that the utility model is recycled by two-stage reactor series operation and first step reactor tail gas, improve the efficiency that ozone is utilized, dissolve and mass-transfer efficiency by adopting the mode controlling outer circulation ratio and arrange catalytic filler to improve gas-liquid simultaneously, in addition, adopt external Liqiud-gas mixing device, simply easy to maintenance, can running cost be reduced simultaneously, improve economy and the suitability of technique.
Claims (4)
1. a Multistage external circulating formula ozone contact reaction device, is characterized in that, comprise,
The two-stage oxidation tower be arranged in series, the external circulation line of a connection tower body top and bottom separately established respectively by first step oxidizing tower, second stage oxidizing tower, all establish a recycle pump and jet mixer in this two external circulation line, the jet mixer in described first step oxidizing tower external circulation line also connects an ozone pipeline;
The top of first step oxidizing tower, second stage oxidizing tower also sets out the mouth of a river, and the water outlet of first step oxidizing tower is connected to the bottom of the second oxidizing tower by connecting pipeline;
Offgas outlet is established at the top of first step oxidizing tower, the second oxidizing tower, and the offgas outlet of first step oxidizing tower is connected to the jet mixer in the external circulation line of the second oxidizing tower by connecting pipeline;
Water-in is established respectively in the bottom of first step oxidizing tower, second stage oxidizing tower, and the water outlet on the top of first step oxidizing tower connects the water-in of oxidizing tower bottom, the second stage by pipeline; In first step oxidizing tower, middle part arranges filler.
2. Multistage external circulating formula ozone contact reaction device as claimed in claim 1, it is characterized in that, described filler adopts the filler of resistance to ozone corrosion and high concentration suspended matter, and supported catalyst metal on filler.
3. Multistage external circulating formula ozone contact reaction device according to claim 2, it is characterized in that, on described filler, catalytic metal is CuO/Al
2o
3, TiO
2/ Al
2o
3or ceramic honey comb.
4. Multistage external circulating formula ozone contact reaction device according to claim 1, it is characterized in that, described recycle pump is also equipped with the frequency transformer that can realize Flow-rate adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520383454.1U CN204689706U (en) | 2015-06-04 | 2015-06-04 | A kind of Multistage external circulating formula ozone contact reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520383454.1U CN204689706U (en) | 2015-06-04 | 2015-06-04 | A kind of Multistage external circulating formula ozone contact reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204689706U true CN204689706U (en) | 2015-10-07 |
Family
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| CN201520383454.1U Expired - Fee Related CN204689706U (en) | 2015-06-04 | 2015-06-04 | A kind of Multistage external circulating formula ozone contact reaction device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293832A (en) * | 2015-11-20 | 2016-02-03 | 北京万邦达环保技术股份有限公司 | Polyformaldehyde production wastewater treatment apparatus and method therefor |
| CN105330066A (en) * | 2015-11-20 | 2016-02-17 | 北京万邦达环保技术股份有限公司 | Color coating waste water treatment device and color coating waste water treatment method |
| CN106430523A (en) * | 2016-11-07 | 2017-02-22 | 中国海诚工程科技股份有限公司 | Deep ozone treatment device and treatment method for organic wastewater biochemical effluent |
| CN106746034A (en) * | 2017-03-01 | 2017-05-31 | 南京大学盐城环保技术与工程研究院 | A kind of device and method of two-stage gradient ozone catalytic fluidized bed deep treatment biochemical tail water |
| CN107265725A (en) * | 2017-08-18 | 2017-10-20 | 上海海洋大学 | A kind of ozone treatment method of wastewater from pig farm for both culturing microalgae |
| CN113735244A (en) * | 2021-08-24 | 2021-12-03 | 广东卓信环境科技股份有限公司 | Ozone catalytic oxidation sewage treatment device with air-water circulation |
-
2015
- 2015-06-04 CN CN201520383454.1U patent/CN204689706U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293832A (en) * | 2015-11-20 | 2016-02-03 | 北京万邦达环保技术股份有限公司 | Polyformaldehyde production wastewater treatment apparatus and method therefor |
| CN105330066A (en) * | 2015-11-20 | 2016-02-17 | 北京万邦达环保技术股份有限公司 | Color coating waste water treatment device and color coating waste water treatment method |
| CN106430523A (en) * | 2016-11-07 | 2017-02-22 | 中国海诚工程科技股份有限公司 | Deep ozone treatment device and treatment method for organic wastewater biochemical effluent |
| CN106430523B (en) * | 2016-11-07 | 2019-09-27 | 中国海诚工程科技股份有限公司 | Organic wastewater bio-chemical effluent ozone advanced treatment apparatus and processing method |
| CN106746034A (en) * | 2017-03-01 | 2017-05-31 | 南京大学盐城环保技术与工程研究院 | A kind of device and method of two-stage gradient ozone catalytic fluidized bed deep treatment biochemical tail water |
| CN107265725A (en) * | 2017-08-18 | 2017-10-20 | 上海海洋大学 | A kind of ozone treatment method of wastewater from pig farm for both culturing microalgae |
| CN107265725B (en) * | 2017-08-18 | 2020-11-27 | 上海海洋大学 | Ozone treatment method for pig farm sewage for microalgae cultivation |
| CN113735244A (en) * | 2021-08-24 | 2021-12-03 | 广东卓信环境科技股份有限公司 | Ozone catalytic oxidation sewage treatment device with air-water circulation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20200604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |