CN209652056U - Ozone coupled catalytic oxidation COD reaction device - Google Patents

Abstract

The utility model relates to a reactor for catalyzing and oxidizing COD in waste water, in particular to an ozone coupling catalyzing and oxidizing COD reaction device. The ozone-coupled catalytic oxidation COD reaction device includes an ozone generator, an ultraviolet-ozone combined reaction device and an ozone decomposer. The reaction zone, the right side is the ozone heterogeneous catalytic reaction zone, and an overflow port is set between the top of the separator and the top plate of the ultraviolet-ozone combined reaction device. The utility model is simple in structure, reasonable in design, has no special requirements on the use environment, has high ozone utilization efficiency, reduces ozone discharge, and has the function of degrading COD and TOC, and also has bactericidal performance, and can be widely used in oil refining wastewater, chemical industry, etc. Advanced treatment of waste water, medical waste water, acrylonitrile waste water, caprolactam waste water and other waste water.

Description

Ozone coupled catalytic oxidation COD reaction device

technical field

The utility model relates to a reactor for catalyzing and oxidizing COD in waste water, in particular to an ozone coupling catalyzing and oxidizing COD reaction device.

Background technique

In recent years, ozone ultraviolet composite photocatalysis has attracted much attention in the field of advanced sewage treatment due to its strong treatment capacity, high treatment efficiency, short process flow, low-carbon and environmental protection in the treatment process. The publication numbers are CN206915895U, CN205635208U, CN202619400U, CN202379838U, CN101915686A, CN101915686B, CN101200338A, CN1803645A, CN95244378.3, all related to the application of ozone ultraviolet in water treatment.

Patent CN201296712Y provides a new type of ozone-ultraviolet combined wastewater treatment device, which includes a membrane contactor, an ozone generator, and an ozone-ultraviolet light reactor, wherein one end of the membrane contactor is provided with a water inlet and an air outlet. One end is provided with a water outlet and an air inlet; the water inlet of the membrane contactor is connected to the water inlet pipe, the air inlet is connected to the ozone generator, the water outlet of the membrane contactor is connected to the inlet of the ozone ultraviolet photoreactor through a pipe, and the ozone ultraviolet The outlet of the photoreactor is connected with the water outlet pipeline. The utility model has the beneficial effects of: enhancing the mass transfer rate of ozone to the liquid phase, improving the utilization rate of ozone; synergizing ultraviolet light and ozone to produce more oxidizing light radicals and improving the oxidation ability of ozone, especially suitable for It is used to treat difficult-to-degrade industrial wastewater; the residual ozone exported from the membrane contactor is used as a gas source to be imported into the ozone generator, saving the amount of oxygen and avoiding secondary pollution.

Patent CN2700315Y discloses an ozone ultraviolet combined wastewater treatment device, which is composed of an ozone generator, a reaction chamber and an exhaust gas processor, and the whole device is airtight. The lower part of the reaction chamber is equipped with sewage water inlet, ozone inlet and emptying port, the middle and upper part is equipped with observation windows, the upper part is equipped with sewage water outlet and tail gas discharge port; the reaction chamber is equipped with a vertically placed ultraviolet lamp and a quartz sleeve tube, with a water distributor and a microporous aerator on the inner bottom side, and a porous sieve plate in the middle. It has the characteristics of simple device, small footprint, flexible water flow, broad spectrum, high efficiency, no secondary pollution, low cost and good water quality.

Patent 1803645A discloses a high-power cluster control ozone ultraviolet water treatment system, which includes a high-power switching power supply 1, several ozone sheets 2, several ultraviolet lamps 3 and a pool 4, and the output terminals of the high-power switching power supply 1 are respectively Connect the ozone sheet 2 and the ultraviolet lamp 3, and use the ozone and ultraviolet light generated by the ozone sheet 2 and the ultraviolet lamp 3 to sterilize the water and remove harmful substances. It uses a high-power switching power supply to control a group of ozone sheets and ultraviolet lamps to work and generate The concentration of ozone is 10 to 20 times higher than that of traditional ozone generators. After being fully mixed with water, it can fully kill bacteria and viruses in the water, and at the same time, it can react with harmful substances in the water to remove harmful substances in the water; The distance is irradiated with ultraviolet light to further sterilize and disinfect the water to remove harmful substances, and the treated water reaches a higher standard.

Patent CN 206599468U discloses a photocatalytic oxidative fracturing flowback sewage treatment device, including a pool body, a water inlet pipeline, a jet, a catalytic oxidizer pool, an aeration system, an outlet pipeline, a quartz tube with a built-in ozone ultraviolet lamp, Quartz tube installation plate with built-in ozone ultraviolet lamp. There are multiple spaces separated by multiple vertical partitions and connected to each other in the pool body. Three quartz tubes are placed vertically in each space, close to the upper part of the pool body, and installed Three horizontal installation plates, three aeration systems are installed at the bottom of each vertically separated space in the pool body, the water inlet pipeline is connected with the inlet of the ejector, the outlet of the ejector is connected with the pool body, and the dosing port of the ejector is connected with the pool body. The catalytic oxidizer pool is connected. According to the needs of treatment volume and treatment effect of fracturing reverse sewage, multiple sewage pools can be connected in series or in parallel. It can be adapted to the treatment of fracturing reverse sewage, saving investment, reducing costs and reducing land occupation. Its processing effect is stable and its operation is reliable.

The devices described in the above patents all have the disadvantages of complex equipment structure, frequent maintenance, high production and operating costs, and difficulty in popularization.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of this utility model is to provide an ozone-coupled catalytic oxidation COD reaction device, which has a simple structure, a reasonable design, no special requirements for the use environment, high ozone utilization efficiency, and reduced ozone emissions. While degrading COD and TOC, it also has bactericidal properties.

The technical scheme that the utility model solves its technical problem adopts is:

The ozone-coupled catalytic oxidation COD reaction device includes an ozone generator, an ultraviolet-ozone combined reaction device and an ozone decomposer. The reaction area, the right side is the ozone heterogeneous catalytic reaction area, and an overflow port is set between the top of the separator and the top plate of the ultraviolet-ozone joint reaction device.

The lower part of the ultraviolet photocatalytic reaction zone is provided with a water inlet, and the water inlet is connected to the water inlet pump through the water inlet pipe. The upper part of the ultraviolet photocatalytic reaction zone is provided with a circulating water outlet, and the circulating water outlet is connected to the water inlet pipe through a circulating water pipe. A dissolved air pump is installed on the circulating water pipe to generate ozone. The device is connected to the circulating water pipe through the gas supply line. There are vertically placed ultraviolet lamp tubes and quartz cover tubes in the ultraviolet photocatalytic reaction zone. A porous sieve plate is arranged at the lower part of the ultraviolet photocatalytic reaction zone, and the quartz cover tube passes through the porous sieve plate. , the water inlet is located on the side wall between the porous sieve plate and the bottom plate of the ultraviolet photocatalytic reaction zone, the bottom of the ultraviolet photocatalytic reaction zone is provided with a first vent, and the first vent is connected to a first vent valve through a pipeline,

The upper part of the ozone heterogeneous catalytic reaction zone is equipped with an upper sieve plate, and the lower part of the ozone heterogeneous catalytic reaction zone is equipped with a lower sieve plate. The ozone catalyst is filled between the upper sieve plate and the lower sieve plate. The upper baffle and the lower baffle, the upper baffle and the lower baffle are arranged alternately, the residual ozone gas outlet and the ozone reuse gas outlet are set on the top of the ozone heterogeneous catalytic reaction zone, and the residual ozone gas outlet is connected to the ozone decomposer, and the ozone repeats The air outlet is connected to the air inlet of the induced fan, and the air outlet of the induced fan is connected to the ozone inlet at the lower part of the ozone heterogeneous catalytic reaction zone through a pipeline. The pipeline is connected with a second vent valve, and the upper part of the ozone heterogeneous catalytic reaction zone is provided with a water outlet.

in:

A plurality of quartz cover tube holes and first sieve holes are arranged on the porous sieve plate, and the inner diameter of the first sieve holes is 12-14mm.

Both the upper sieve plate and the lower sieve plate are provided with a plurality of second sieve holes, and the inner diameter of the second sieve holes is 12-14mm.

There are two upper baffles and one lower baffle, the upper baffle is connected with the top plate of the ultraviolet-ozone combined reaction device, and the lower baffle is connected with the bottom plate of the ultraviolet-ozone combined reaction device.

The distance between the ozone generator and the ultraviolet photocatalytic reaction area shall not exceed 3.5 meters.

Working principle and process:

During work, the waste water to be treated is mixed with the effluent of the dissolved air pump under the transport of the water inlet pump and then transported to the water inlet of the ultraviolet photocatalytic reaction zone. The ozone generated by the ozone generator is transported to the inlet of the dissolved air pump through the gas supply pipeline. The wastewater in the catalytic reaction zone is internally circulated. The wastewater to be treated reacts in the ultraviolet photocatalytic reaction zone, and the pollutants in the wastewater are degraded. Part of the wastewater flows back from the top circulation outlet to the bottom of the ultraviolet photocatalytic reaction zone with a dissolved air pump, and part of the wastewater overflows into the ozone heterogeneous catalytic reaction zone through the top overflow port, and the organic matter in the wastewater and residual ozone react in the ozone heterogeneous catalytic reaction zone. The zone is further degraded to realize advanced treatment of effluent COD and efficient utilization of ozone, and the effluent of the ozone heterogeneous catalytic reaction zone is discharged through the water outlet. The residual ozone in the ozone heterogeneous catalytic reaction zone is sent to the ozone decomposer for decomposition and then discharged, so as to realize the green emission of tail gas.

In order to make the generated ozone work better, the distance between the ozone generator and the ultraviolet photocatalytic reaction zone should not exceed 3.5m.

The ultraviolet photocatalytic reaction zone is the main reaction zone for the decomposition of organic matter, and the organic matter in the wastewater in this area is decomposed under the synergistic catalysis of ozone and ultraviolet light. An ultraviolet lamp tube and a quartz cover tube are arranged in the ultraviolet photocatalytic reaction zone, and the ultraviolet lamp tube is used to provide ultraviolet rays for catalytic ozone oxidation. There is a porous sieve plate in the ultraviolet photocatalytic reactor, which is used to increase the mass transfer effect of wastewater in the reactor.

A plurality of ultraviolet lamp tubes are arranged in the ultraviolet photocatalytic reaction zone, and the exterior of the ultraviolet lamp tubes is covered with quartz sleeves, and the upper and lower parts of the quartz cover tubes are fixed by nuts. The distance between the quartz sleeves is 20cm, and every three ultraviolet lamps are connected to the ballast, and the distance between the ballast and the ultraviolet lamp is 100-200cm.

The ozone heterogeneous catalytic reaction zone is used as a secondary reaction zone for the decomposition of organic matter. After the wastewater reacts in the ultraviolet photocatalytic reaction zone, it overflows into the ozone heterogeneous catalytic reaction zone. The residual organic matter and ozone undergo a catalytic reaction in this reaction zone, and the organic matter is obtained. break down. The reaction effluent in the ozone heterogeneous catalytic reaction zone is discharged from the water outlet. The residual ozone in the reaction zone is discharged to the ozone decomposer through the residual ozone gas outlet. The reaction zone is filled with an ozone catalyst, and there are an upper sieve plate and a lower sieve plate above the catalyst. In addition, in order to increase the efficiency of ozone utilization, the ozone in the upper part of the ozone heterogeneous catalytic reaction zone is sent to the bottom of the reactor by the induced draft fan through the ozone reuse outlet to carry out the catalytic oxidation reaction again.

The ozone decomposer is used to decompose the residual ozone and prevent the escape of ozone from causing safety and environmental accidents.

The beneficial effects of the utility model are:

(1) The utility model is equipped with a dissolved air pump, which mixes sewage and ozone with a large flow rate, which increases the dissolution effect of ozone in water, and at the same time makes the water flow in the ultraviolet photocatalytic reaction zone present a flow state, and the radiation intensity of ultraviolet light on sewage is uniform, The photocatalytic effect of ultraviolet light on ozone is increased, and the COD and TOC of sewage are significantly reduced.

(2) The lower part of the ultraviolet photocatalytic reaction zone is equipped with a porous sieve plate, and the micro-crossflow of the orifice plate itself is used to increase the contact effect of ozone and sewage, so that the mixing of ozone and sewage is more uniform and the utilization rate is higher.

(3) Efficient utilization of residual ozone. After passing through the ultraviolet photocatalytic reaction zone, there are still some ozone that have not been utilized. The ozone heterogeneous catalytic reaction zone is added to catalyze ozone again, which not only reduces the COD and TOC of sewage, but also improves Improve the utilization efficiency of ozone and reduce the emission of ozone.

(4) An upper baffle and a lower baffle are arranged in the ozone heterogeneous catalytic reaction zone, and the water in the ozone heterogeneous catalytic reaction zone flows in an "S" shape, which increases the contact effect between ozone and sewage.

(5) An induced draft fan is installed at the end of the ozone heterogeneous catalytic reaction zone, which maximizes the utilization rate of ozone. The remaining gas in the reactor is sent to the ozone heterogeneous catalytic reaction zone for catalytic reaction, which not only improves the contact between ozone, sewage and catalyst, increases the utilization efficiency of ozone, but also avoids the occurrence of gas and sewage in the catalyst bed. "Short circuit" leads to poor COD treatment effect.

(6) This device not only has the function of degrading COD and TOC, but also has bactericidal performance, which can inactivate the DNA of bacteria, viruses and other pathogens, kill most microorganisms, and make the microbial indicators in the biochemical effluent reach the standard.

(7) The structure of the equipment is mature and reasonable, and there is no special requirement for the use environment. It can be used as a small equipment for laboratory and pilot research, and can also be used as a large-scale industrialized complete set of equipment.

(8) The utility model provides a multi-level composite photocatalytic oxidation device, which can be widely used in the advanced treatment of various types of wastewater such as oil refining wastewater, chemical wastewater, pharmaceutical wastewater, acrylonitrile wastewater, and caprolactam wastewater.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional structure schematic diagram of ultraviolet-ozone combined reaction device;

Fig. 3 is the structural representation of perforated sieve plate;

Fig. 4 is the structural representation of upper sieve plate and lower sieve plate;

In the figure: 1. Ozone generator; 2. UV-ozone joint reaction device; 3. Ozone decomposer; 4. Partition; 5. UV photocatalytic reaction zone; 6. Ozone heterogeneous catalytic reaction zone; 7. Overflow port ;8, water inlet; 9, water inlet pipe; 10, water inlet pump; 11, circulating water outlet; 12, circulating water pipe; 13, dissolved air pump; 14, gas supply pipeline; 15, ultraviolet lamp tube; 16, quartz cover tube; 17. Porous sieve plate; 18. First vent port; 19. First vent valve; 20. Upper sieve plate; 21. Lower sieve plate; 22. Ozone catalyst; 23. Upper baffle plate; 24. Lower baffle plate; 25 , remaining ozone outlet; 26, ozone reuse outlet; 27, induced draft fan; 28, ozone inlet; 29, second venting port; 30, second venting valve; 31, water outlet; 32, quartz cover tube hole; 33, the first sieve hole; 34, the second sieve hole.

Detailed ways

Below in conjunction with embodiment the utility model is described further.

Example

As shown in Figure 1-4, the described ozone-coupled catalytic oxidation COD reaction device includes an ozone generator 1, an ultraviolet-ozone combined reaction device 2 and an ozonizer 3, and the inner chamber of the ultraviolet-ozone combined reaction device 2 is divided by 4 partitions There are two reaction zones, wherein the left side is the ultraviolet photocatalytic reaction zone 5, and the right side is the ozone heterogeneous catalytic reaction zone 6, and an overflow port 7 is set between the upper end of the partition plate 4 and the top plate of the ultraviolet-ozone combined reaction device 2,

The lower part of the ultraviolet photocatalytic reaction zone 5 is provided with a water inlet 8, the water inlet 8 is connected to the water inlet pump 10 through the water inlet pipe 9, the upper part of the ultraviolet photocatalytic reaction zone 5 is provided with a circulating water outlet 11, and the circulating water outlet 11 is connected to the water inlet pipe 9 through a circulating water pipe 12, The circulating water pipe 12 is provided with a dissolved air pump 13, the ozone generator 1 is connected to the circulating water pipe 12 through the gas supply line 14, and the ultraviolet photocatalytic reaction zone 5 is provided with a vertically placed ultraviolet lamp tube 15 and a quartz cover pipe 16. The lower part of the reaction zone 5 is provided with a porous sieve plate 17, wherein the quartz cover pipe 16 passes through the porous sieve plate 17, and the water inlet 8 is located on the side wall between the porous sieve plate 17 and the bottom plate of the ultraviolet photocatalytic reaction zone 5, and the ultraviolet photocatalytic reaction The bottom of zone 5 is provided with a first venting port 18, and the first venting port 18 is connected with a first venting valve 19 through a pipeline.

The upper part of the ozone heterogeneous catalytic reaction zone 6 is provided with an upper sieve plate 20, the lower part of the ozone heterogeneous catalytic reaction zone 6 is provided with a lower sieve plate 21, and an ozone catalyst 22 is filled between the upper sieve plate 20 and the lower sieve plate 21, and the ozone heterogeneous catalytic reaction The upper baffle plate 23 and the lower baffle plate 24 placed vertically are arranged in the district 6, and the upper baffle plate 23 and the lower baffle plate 24 are arranged alternately, and the remaining ozone gas outlet 25 and the ozone reuse outlet are arranged on the top of the ozone heterogeneous catalytic reaction zone 6. Gas port 26, residual ozone gas outlet 25 is connected to the ozone decomposer 3, ozone reuse gas outlet 26 is connected to the air inlet of the induced draft fan 27, and the gas outlet of the induced draft fan 27 is connected to the lower ozone inlet of the ozone heterogeneous catalytic reaction zone 6 through pipelines 28 connected, the bottom of the ozone heterogeneous catalytic reaction zone 6 is provided with a second vent 29, the second vent 29 is connected to a second vent valve 30 through a pipeline, and the top of the ozone heterogeneous catalytic reaction zone 6 is provided with a water outlet 31.

in:

The porous sieve plate 17 is provided with a plurality of holes of the quartz cover tube 16 and a first sieve hole 33, and the inner diameter of the first sieve hole 33 is 12-14 mm.

Both the upper sieve plate 20 and the lower sieve plate 21 are provided with a plurality of second sieve holes 34 , and the inner diameter of the second sieve holes 34 is 12-14 mm.

Upper baffle 23 is provided with two, and lower baffle 24 is provided with one, and upper baffle 23 links to each other with the top plate of ultraviolet-ozone combined reaction device 2, and lower baffle 24 links to each other with the bottom plate of ultraviolet-ozone combined reaction device 2.

During operation, the waste water to be treated is mixed with the water outlet of the dissolved air pump 13 under the delivery of the water inlet pump 10, and then transported to the water inlet 8 of the ultraviolet photocatalytic reaction zone 5, and the ozone generated by the ozone generator 1 is transported to the inlet of the dissolved air pump 13 through the gas supply line 14 , the dissolved air pump 13 internally circulates the waste water in the ultraviolet photocatalytic reaction zone 5 . The wastewater to be treated reacts in the ultraviolet photocatalytic reaction zone 5, and the pollutants in the wastewater are degraded. Part of the waste water flows back from the top circulation outlet 11 to the bottom of the ultraviolet photocatalytic reaction zone 5 with the dissolved air pump 13, and part of the waste water overflows into the ozone heterogeneous catalytic reaction zone 6 through the top overflow port 7, and the organic matter in the waste water and the residual ozone The ozone heterogeneous catalytic reaction zone 6 is further degraded to realize advanced treatment of effluent COD and efficient utilization of ozone, and the effluent of the ozone heterogeneous catalytic reaction zone 6 is discharged through the water outlet 31 . The residual ozone in the ozone heterogeneous catalytic reaction zone 6 is sent to the ozone decomposer 3 for decomposition and then discharged, so as to realize the green emission of tail gas.

In order to make the generated ozone work better, the distance between the ozone generator 1 and the ultraviolet photocatalytic reaction zone 5 should not exceed 3.5m.

The ultraviolet photocatalytic reaction zone 5 serves as the main reaction zone for the decomposition of organic matter, and the organic matter in the wastewater in this area is decomposed under the synergistic catalytic action of ozone and ultraviolet light. An ultraviolet light tube 15 and a quartz cover tube 16 are arranged in the ultraviolet photocatalytic reaction zone 5, and the ultraviolet light tube 15 is used to provide ultraviolet rays for catalytic ozone oxidation. There is a porous sieve plate 17 in the ultraviolet photocatalytic reactor, which is used to increase the mass transfer effect of waste water in the reactor.

A plurality of ultraviolet lamp tubes 15 are arranged in the ultraviolet photocatalytic reaction zone 5, and the exterior of the ultraviolet lamp tubes 15 is covered with quartz sleeves, and the upper and lower parts of the quartz cover tubes 16 are fixed by nuts. The distance between the quartz casing tubes is 20 cm, and every three ultraviolet lamp tubes 15 are connected with the ballast, and the distance between the ballast and the ultraviolet lamp tubes 15 is 100-200 cm.

The ozone heterogeneous catalytic reaction zone 6 is used as a secondary reaction zone for the decomposition of organic matter. After the wastewater reacts in the ultraviolet photocatalytic reaction zone 5, it overflows into the ozone heterogeneous catalytic reaction zone 6, and the residual organic matter and ozone undergo a catalytic reaction in this reaction zone. , the organic matter is decomposed. The reaction water in the ozone heterogeneous catalytic reaction zone 6 is discharged from the water outlet 31 . The residual ozone in the reaction zone is discharged to the ozone decomposer 3 through the residual ozone gas outlet 25. The reaction zone is filled with an ozone catalyst 22, and there are an upper sieve plate 20 and a lower sieve plate 21 above the catalyst. In addition, in order to increase the efficiency of ozone utilization, the ozone in the upper part of the ozone heterogeneous catalytic reaction zone 6 is sent to the bottom of the reactor by the induced draft fan 27 through the ozone reuse gas outlet 26 for further catalytic oxidation reaction.

The ozone decomposer 3 is used to decompose the residual ozone to prevent the escape of the ozone from causing safety and environmental accidents.

The above-mentioned embodiment only expresses one implementation manner of the present utility model, but it should not be understood as limiting the patent scope of the utility model. Those skilled in the art can make several modifications and improvements without departing from the concept of the utility model, and such variations and improvements all belong to the protection scope of the utility model.

The use of "first" and "second" in this article is only for the convenience of describing and distinguishing between parts and components. Unless otherwise stated, the above words have no special meaning.

Claims (5)

1. a kind of ozone coupling CO catalytic oxidation D reaction unit, it is characterised in that: join including ozone generator (1), UV ozone It closes reaction unit (2) and ozone decomposer (3), UV ozone association response device (2) inner cavity is divided into two reactions by partition (4) Area, wherein left side is ultraviolet catalytic reaction zone (5), right side is ozone heterogeneous catalysis reaction zone (6), partition (4) upper end and purple Overflow port (7) are set between outer ozone association response device (2) top plate,

Water inlet (8) are arranged in ultraviolet catalytic reaction zone (5) lower part, and water inlet (8) connects intake pump by water inlet pipe (9) (10), ultraviolet catalytic reaction zone (5) top setting circulating outlet (11), circulating outlet (11) pass through circulating water pipe (12) It connects water inlet pipe (9), is provided with air dissolved pump (13) on circulating water pipe (12), ozone generator (1) is connected by gas supply line (14) It connects circulating water pipe (12), the ultraviolet lamp tube (15) placed vertically and quartzy vestlet (16) is equipped in ultraviolet catalytic reaction zone (5), Porous sieve plate (17) are arranged in ultraviolet catalytic reaction zone (5) lower part, wherein and quartzy vestlet (16) passes through porous sieve plate (17), into The mouth of a river (8) is located on the side wall between porous sieve plate (17) and ultraviolet catalytic reaction zone (5) bottom plate, ultraviolet catalytic reaction zone (5) bottom is equipped with the first drain (18), and the first drain (18) is connected with the first blow valve (19) by pipeline,

Upper sieve plate (20) are arranged in ozone heterogeneous catalysis reaction zone (6) top, the lower sieve of ozone heterogeneous catalysis reaction zone (6) lower part setting Plate (21) is filled with ozone catalyst (22) between upper sieve plate (20) and lower sieve plate, is equipped in ozone heterogeneous catalysis reaction zone (6) The overhead gage (23) and lower baffle plate (24) placed vertically, overhead gage (23) are staggered with lower baffle plate (24), ozone heterogeneous catalysis Setting residual ozone gas outlet (25) and ozone recycling gas outlet (26), residual ozone gas outlet at the top of reaction zone (6) (25) it is connected with ozone decomposer (3), ozone recycling gas outlet (26) is connected with air-introduced machine (27) air inlet, air-introduced machine (27) gas outlet is connected by pipeline with ozone heterogeneous catalysis reaction zone (6) lower part ozone inlet (28), ozone heterogeneous catalysis Reaction zone (6) bottom is equipped with the second drain (29), and the second drain (29) is connected with the second blow valve (30) by pipeline, smelly Water outlet (31) are arranged in oxygen heterogeneous catalytic reaction area (6) top.

2. ozone coupling CO catalytic oxidation D reaction unit according to claim 1, it is characterised in that: porous sieve plate (17) On be provided with multiple quartz cover pores (32) and the first sieve pore (33), the internal diameter of the first sieve pore (33) is 12-14mm.

3. ozone coupling CO catalytic oxidation D reaction unit according to claim 1, it is characterised in that: upper sieve plate (20) with Multiple second sieve pores (34) are provided on lower sieve plate (21), the internal diameter of the second sieve pore (34) is 12-14mm.

4. ozone coupling CO catalytic oxidation D reaction unit according to claim 1, it is characterised in that: overhead gage (23) is set There are two setting, lower baffle plate (24) is provided with one, and overhead gage (23) is connected with the top plate of UV ozone association response device (2), Lower baffle plate (24) is connected with the bottom plate of UV ozone association response device (2).

5. ozone coupling CO catalytic oxidation D reaction unit according to claim 1, it is characterised in that: ozone generator (1) It is no more than 3.5 meters with ultraviolet catalytic reaction zone (5) distance.