CN212450793U - Ozone catalytic oxidation device for wastewater treatment - Google Patents
Ozone catalytic oxidation device for wastewater treatment Download PDFInfo
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- CN212450793U CN212450793U CN202020375240.0U CN202020375240U CN212450793U CN 212450793 U CN212450793 U CN 212450793U CN 202020375240 U CN202020375240 U CN 202020375240U CN 212450793 U CN212450793 U CN 212450793U
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Abstract
An ozone catalytic oxidation device for wastewater treatment mainly comprises an ozone generator, a reaction box body and a wastewater pipeline, wherein the ozone generator is connected with an ozone diffusion device through a pipeline, the wastewater pipeline is connected with the ozone diffusion device through a water inlet pump, the reaction box body comprises a tail gas treatment device, a water outlet weir, a catalytic filler area and a water distribution system which are sequentially arranged in a shell from top to bottom, and the water distribution system is uniformly arranged at the bottom of the shell; ozone generated in the ozone generator is fully mixed with wastewater in the ozone diffusion device, then sequentially passes through the water distribution system and the catalytic filler region, and is subjected to oxidation-reduction reaction under the action of a catalyst in the catalytic filler region; the tail gas treatment device comprises a tail gas pipeline and a tail gas destruction device, water after oxidation-reduction reaction is discharged through the effluent weir, and redundant ozone after oxidation-reduction reaction is destroyed into oxygen by the tail gas destruction device and then discharged into the air.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to ozone catalytic oxidation device for waste water treatment.
Background
With the economic development of China, the national environmental protection requirement is higher and higher, and industrial enterprise wastewater and domestic sewage plants containing part of industrial wastewater often meet COD which cannot be degraded by conventional biological treatment, so that the wastewater cannot reach the standard and needs to be subjected to forced oxidation, namely advanced oxidation technology. The ozone has higher oxidation-reduction potential in water, is a good oxidant, and compared with the conventional oxidation technology, the ozone advanced oxidation technology has the obvious characteristics of good treatment effect on substances which are difficult to degrade biologically, high degradation speed, small occupied area, high automation degree, no secondary pollution, less generation of scum and sludge and the like, so that the development of the ozone oxidation device has wide prospect.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a simple structure, area is little and ozone catalytic oxidation device for wastewater treatment that degree of automation is high.
The utility model aims at completing the technical scheme that an ozone catalytic oxidation device for wastewater treatment mainly comprises an ozone generator, a reaction box body and a wastewater pipeline, wherein the ozone generator is connected with an ozone diffusion device through a pipeline, the wastewater pipeline is connected with the ozone diffusion device through a water inlet pump, the reaction box body comprises a tail gas treatment device, a water outlet weir, a catalytic packing area and a water distribution system which are sequentially arranged from top to bottom, and the water distribution system is uniformly arranged at the bottom of a shell; ozone generated in the ozone generator is fully mixed with wastewater in the ozone diffusion device, then sequentially passes through the water distribution system and the catalytic filler zone, and is subjected to oxidation-reduction reaction under the action of a catalyst in the catalytic filler zone.
Furthermore, the tail gas treatment device comprises a tail gas pipeline and a tail gas destruction device, water after the oxidation-reduction reaction is discharged through the water outlet weir, and redundant ozone after the oxidation-reduction reaction is destroyed into oxygen by the tail gas destruction device and then is discharged into the air.
Further, the catalytic packing area is installed in the shell through a fixed bed, and the catalyst in the catalytic packing area is a metal catalyst.
Further, the ozone diffusion device is an ejector.
Further, the water inlet pump is a circulating water pump.
Furthermore, the water distribution system is a multi-point water distribution system.
The utility model has the advantages of: the ozone catalytic oxidation device of the utility model is suitable for various biological wastewater which is difficult to degrade, and the effluent quality is good without secondary pollution; the ozone diffusion device adopts a jet device, the stirring effect and the diffusion efficiency are higher than those of a common disc aerator, and the ozone adding amount is saved; the water distribution system adopts a multi-point water distribution system which is uniformly distributed at the bottom of the equipment pool, so that short flow can be effectively avoided; the catalytic packing area is arranged in a reaction area in the equipment by adopting a fixed bed and is combined with a jet type diffusion and stirring system, so that the wastewater, ozone and a catalyst are sufficiently contacted when the wastewater passes through the catalytic packing area, the reaction is quicker and more thorough, the effluent quality is better, and the ozone utilization rate is high; in addition, the catalyst in the catalytic filler region is selected from high-quality metal catalysts, so that the catalytic efficiency is high and the loss is less; the ozone adding amount of the device is about 1.2mgO3/mgCOD。
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, the ozone catalytic oxidation device for wastewater treatment of the present invention mainly includes an ozone generator 1, a reaction tank 2 and a wastewater pipeline 3, wherein the ozone generator 1 is connected with an ozone diffusion device 4 through a pipeline, the wastewater pipeline 3 is connected with the ozone diffusion device 4 through a water inlet pump 5, the water inlet pump 5 is a circulating water pump, the ozone diffusion device 4 is an ejector, the reaction tank 2 includes a tail gas treatment device 7, a water outlet weir 8, a catalytic packing region 9 and a water distribution system 10 which are sequentially arranged in a shell 6 from top to bottom, the water distribution system 10 is uniformly arranged at the bottom of the shell 6, and the water distribution system 10 is a multi-point water distribution system; the ozone generated in the ozone generator 1 is fully mixed with the wastewater in the ozone diffusion device 4, then sequentially passes through the water distribution system 10 and the catalytic filler zone 9, and is subjected to oxidation-reduction reaction under the action of a catalyst in the catalytic filler zone 9.
Referring to fig. 1, the tail gas treatment device 7 includes a tail gas pipeline and a tail gas destruction device 11, water after oxidation-reduction reaction is discharged through a water outlet weir 8, and redundant ozone after oxidation-reduction reaction is destroyed into oxygen by the tail gas destruction device 11 and then discharged into the air; the catalytic packing area 9 is installed in the shell 6 through a fixed bed, and the catalyst in the catalytic packing area 9 is a metal catalyst.
When equipment is actually used, wastewater is pumped into the ejector through the water inlet pump, ozone generated by the ozone generator enters the ejector, the ozone and the wastewater are fully mixed through the action of jet flow, then the ozone and the wastewater are uniformly distributed at the bottom of the equipment through a water distribution system in the reaction box body, then the ozone and COD in the wastewater flow upwards through the catalytic filler region, the ozone and the COD in the wastewater are subjected to oxidation-reduction reaction under the action of a catalyst, and finally the COD is oxidized into dioxygenThe carbon and the water are transformed to achieve the purpose of purifying the water quality, and the treated water is discharged through a water outlet weir discharge device at the upper part of the reaction box body; after the redundant ozone overflows, the collected redundant ozone enters a tail gas destruction device, and the ozone is destroyed into oxygen and then is discharged into the air. The device is suitable for various biological wastewater which is difficult to degrade, and the effluent quality is good without secondary pollution; the ozone diffusion device adopts a jet device, the stirring effect and the diffusion efficiency are higher than those of a common disc aerator, and the ozone adding amount is saved; the water distribution system adopts a multi-point water distribution system which is uniformly distributed at the bottom of the equipment pool, so that short flow can be effectively avoided; the catalytic packing area is arranged in a reaction area in the equipment by adopting a fixed bed and is combined with a jet type diffusion and stirring system, so that the wastewater, ozone and a catalyst are sufficiently contacted when the wastewater passes through the catalytic packing area, the reaction is quicker and more thorough, the effluent quality is better, and the ozone utilization rate is high; in addition, the catalyst in the catalytic filler region is selected from high-quality metal catalysts, so that the catalytic efficiency is high and the loss is less; the ozone adding amount of the device is about 1.2mgO3/mgCOD。
The specific embodiments described herein are merely illustrative of the principles of the present invention and its efficacy, and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical idea of the present invention shall be covered by the claims of the present invention.
Claims (6)
1. The utility model provides an ozone catalytic oxidation device for waste water treatment, mainly includes ozone generator, reaction box and waste water pipeline, its characterized in that: the ozone generator is connected with the ozone diffusion device through a pipeline, the wastewater pipeline is connected with the ozone diffusion device through a water inlet pump, the reaction box body comprises a tail gas treatment device, a water outlet weir, a catalytic filler area and a water distribution system which are sequentially arranged in the shell from top to bottom, and the water distribution system is uniformly arranged at the bottom of the shell; ozone generated in the ozone generator is fully mixed with wastewater in the ozone diffusion device, then sequentially passes through the water distribution system and the catalytic filler zone, and is subjected to oxidation-reduction reaction under the action of a catalyst in the catalytic filler zone.
2. The catalytic ozonation device for wastewater treatment according to claim 1, wherein: the tail gas treatment device comprises a tail gas pipeline and a tail gas destruction device, water after oxidation-reduction reaction is discharged through the effluent weir, and redundant ozone after oxidation-reduction reaction is destroyed into oxygen by the tail gas destruction device and then discharged into the air.
3. The catalytic ozonation device for wastewater treatment according to claim 1 or 2, wherein: the catalytic packing area is arranged in the shell through a fixed bed, and the catalyst in the catalytic packing area is a metal catalyst.
4. The catalytic ozonation device for wastewater treatment according to claim 1 or 2, wherein: the ozone diffusion device is an ejector.
5. The catalytic ozonation device for wastewater treatment according to claim 1 or 2, wherein: the water inlet pump is a circulating water pump.
6. The catalytic ozonation device for wastewater treatment according to claim 1 or 2, wherein: the water distribution system is a multi-point water distribution system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375240.0U CN212450793U (en) | 2020-03-23 | 2020-03-23 | Ozone catalytic oxidation device for wastewater treatment |
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| CN202020375240.0U CN212450793U (en) | 2020-03-23 | 2020-03-23 | Ozone catalytic oxidation device for wastewater treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939183A (en) * | 2022-05-31 | 2022-08-26 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Circulating virus killing system for material transfer vehicle |
| ES2924577A1 (en) * | 2021-03-25 | 2022-10-07 | Cercos Coullaut Valera Ramiro | MEANS AND PROCEDURE FOR OXYGENATION AND OZONIFICATION OF CONFINED WATERS (Machine-translation by Google Translate, not legally binding) |
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2020
- 2020-03-23 CN CN202020375240.0U patent/CN212450793U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2924577A1 (en) * | 2021-03-25 | 2022-10-07 | Cercos Coullaut Valera Ramiro | MEANS AND PROCEDURE FOR OXYGENATION AND OZONIFICATION OF CONFINED WATERS (Machine-translation by Google Translate, not legally binding) |
| CN114939183A (en) * | 2022-05-31 | 2022-08-26 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Circulating virus killing system for material transfer vehicle |
| CN114939183B (en) * | 2022-05-31 | 2022-11-25 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Circulating virus killing system for material transfer vehicle |
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