CN215249804U - Water vapor circulation ozone reaction system - Google Patents

Abstract

The utility model discloses steam circulation ozone reaction system relates to sewage treatment's environmental protection technical field, especially relates to a steam circulation ozone reaction system for sewage treatment. The air inlet end of the tail gas circulating fan of the utility model is connected with a tail gas collecting pipeline A and a tail gas collecting pipeline B on the top of the 1# and 2# ozone catalytic oxidation towers, and the air outlet end is connected with a tail gas distributing pipe A on the lower part of the 2# ozone catalytic oxidation tower; the inlet end of the circulating water pump is communicated with the upper part of the No. 2 ozone catalytic oxidation tower, and the outlet end of the circulating water pump is connected with the lower part of the No. 1 ozone catalytic oxidation tower; the top of the ozone defoaming tank is communicated with a tail gas destructor through a tail gas collecting pipeline C; the lower part is provided with an air supply pipe and a water inlet pipe communicated with a water outlet pipe at the upper part of the 2# ozone catalytic oxidation tower; the suction end of the defoaming pump is communicated with the lower part of the ozone defoaming tank, and the outlet end of the pump is communicated with the upper part of the ozone defoaming tank.

Description

Water vapor circulation ozone reaction system

Technical Field

The utility model discloses steam circulation ozone reaction system relates to sewage treatment's environmental protection technical field, especially relates to a steam circulation ozone reaction system for sewage treatment.

Background

Industrial wastewater, especially coking wastewater, printing and dyeing wastewater, pharmaceutical wastewater and other chemical wastewater has the characteristics of complex chemical components, difficult biodegradation, toxicity and harm, and the expected treatment effect is difficult to achieve by a simple biochemical treatment method. The main trend of realizing standard treatment of the industrial wastewater difficult to degrade at present is to supplement physicochemical treatment on the basis of a biochemical treatment method. The ozone oxidation technology is widely applied as one of the advanced oxidation technologies, but the ozone has low solubility, poor mass transfer effect with water, short gas-water contact time and low ozone utilization rate, so that the treatment effect of the technology is limited. Most of the existing ozone towers adopt a 1-stage tower, ozone enters from the bottom, and tail gas at the top directly enters a tail gas destructor to be destroyed, so that the ozone utilization rate is lower and the operation cost is higher.

In view of the problems in the prior art, it is necessary to develop a novel water vapor circulation ozone reaction system to overcome the problems in the prior art.

Disclosure of Invention

According to the existing 1-stage tower form adopted in the prior art, ozone enters from the bottom, and the tail gas at the top directly enters the tail gas destructor to be destroyed, so that the ozone utilization rate is low, and the operating cost is increased, thereby providing a water vapor circulation ozone reaction system. The utility model discloses mainly utilize the tail gas of one-level ozone tower to get into the second grade ozone tower after the pressurization and carry out make full use of once more, wholly improve the utilization ratio of ozone to play the ozone utilization ratio that improves the system, save the cost.

The utility model discloses a technical means as follows:

a water vapor cycle ozone reaction system comprising: the system comprises a No. 1 ozone catalytic oxidation tower, a circulating water pump, a tail gas circulating fan, a No. 2 ozone catalytic oxidation tower, an ozone defoaming tank, a defoaming pump and a tail gas destructor;

further, the 1# ozone catalytic oxidation tower: the ozone system main reactor is internally used for carrying out advanced oxidation; the top of the device is provided with a tail gas collecting pipeline A, the upper part of the device is provided with a wastewater inlet pipe, and the lower part of the device is provided with an ozone inlet pipe A and a circulating water distribution pipe;

further, 2# ozone catalytic oxidation tower: the residual ozone in the tail gas and a small amount of additional supplementary ozone are utilized to carry out advanced oxidation; the top of the tail gas collecting pipeline is provided with a tail gas collecting pipeline B, and the lower part of the tail gas collecting pipeline is provided with an ozone inlet pipe B and a tail gas distributing pipe A;

further, the circulating water pump: the integral circulation of the 1# ozone catalytic oxidation tower and the 2# ozone catalytic oxidation tower is realized; the inlet end of the catalytic oxidation tower is communicated with the upper part of the No. 2 ozone catalytic oxidation tower through a circulating pump suction pipe, and the outlet end of the catalytic oxidation tower is connected with a circulating water distribution pipe at the lower part of the No. 1 ozone catalytic oxidation tower, so that the circulation between the No. 1 ozone catalytic oxidation tower and the No. 2 ozone catalytic oxidation tower is realized;

further, a tail gas circulating fan: collecting tail gas in a No. 1 ozone catalytic oxidation tower and a No. 2 ozone catalytic oxidation tower, pressurizing the tail gas and then feeding the tail gas into the No. 2 ozone catalytic oxidation tower; the air inlet end of the ozone catalytic oxidation tower is connected with a tail gas collecting pipeline A and a tail gas collecting pipeline B, and the air outlet end of the ozone catalytic oxidation tower is connected with a tail gas distributing pipe A at the lower part of the 2# ozone catalytic oxidation tower;

further, an ozone defoaming tank: removing residual ozone in the wastewater; the top of the tail gas collector is provided with a tail gas collecting pipeline C and is communicated with a tail gas destructor through the tail gas collecting pipeline C; the lower part is provided with an air supply pipe and a water inlet pipe communicated with a water outlet pipe at the upper part of the 2# ozone catalytic oxidation tower;

further, the defoaming pump: the waste water in the defoaming tank is fully circulated and defoamed; the suction end of the ozone defoaming device is communicated with the lower part of the ozone defoaming tank through a defoaming pump suction pipe, and the pump outlet end of the ozone defoaming device is communicated with the upper part of the ozone defoaming tank through a pipeline;

further, a tail gas destructor: removing residual ozone in the tail gas.

Furthermore, a backwashing water discharge pipe A is arranged at the upper part of the No. 1 ozone catalytic oxidation tower, and a backwashing water inlet pipe A is arranged at the lower part of the No. 1 ozone catalytic oxidation tower;

further, a spray pipe is arranged at the upper part in the No. 1 ozone catalytic oxidation tower and is communicated with a wastewater inlet pipe;

furthermore, the middle part of the No. 1 ozone catalytic oxidation tower is provided with a filler A, and the lower part of the filler A is provided with a water outlet pipe;

further, an ozone aeration disc A is arranged at the lower part in the No. 1 ozone catalytic oxidation tower and is communicated with an ozone inlet pipe A;

furthermore, an emptying pipe A is arranged at the position 50mm away from the bottom of the tower at the lower part of the No. 1 ozone catalytic oxidation tower.

Furthermore, a backwashing water discharge pipe B is arranged at the upper part of the No. 2 ozone catalytic oxidation tower, and a backwashing water inlet pipe B is arranged at the lower part of the No. 2 ozone catalytic oxidation tower;

furthermore, the middle part in the No. 2 ozone catalytic oxidation tower is provided with a filler B, the lower part of the filler B is provided with a water inlet pipe, and the water inlet pipe is connected with a water outlet pipe of the No. 1 ozone catalytic oxidation tower through a pipeline;

further, an ozone aeration disc B is arranged at the lower part of the No. 2 ozone catalytic oxidation tower and is positioned at the lower part of the tail gas distribution pipe A, and the ozone aeration disc B is communicated with an ozone inlet pipe B;

furthermore, an emptying pipe B is arranged at the position 50mm away from the bottom of the 2# ozone catalytic oxidation tower.

Furthermore, the upper part of the ozone defoaming tank is provided with a defoaming spray pipe, and the defoaming spray pipe is connected with the outlet end of the defoaming pump through a pipeline;

furthermore, the upper part of the ozone defoaming tank is also provided with a drain pipe;

further, the lower part of the ozone defoaming tank is provided with an air aeration pipe, the air aeration pipe and an air supply pipe, and the air aeration pipe is positioned at the lower part of the water inlet pipe;

furthermore, an emptying pipe C is arranged at the lower part of the ozone defoaming tank and is 50mm away from the bottom of the tower.

The utility model discloses a working process does:

sewage flows into the 1# ozone catalytic oxidation tower from a wastewater inlet pipe at the upper part of the 1# ozone catalytic oxidation tower and enters the 1# ozone catalytic oxidation tower in a spraying mode through a spraying pipe in the 1# ozone catalytic oxidation tower; ozone enters the tower bottom ozone microporous aeration disc A from the air inlet of the No. 1 ozone catalytic oxidation tower through the ozone inlet pipe A, ozone gas is dispersed into tiny bubbles, the gas-liquid contact area is increased, the water and the air are in full contact on the surface of the filler A in a countercurrent mode, and meanwhile, the solid filler catalyst accelerates the decomposition of the ozone, so that the ozone oxidation reaction is promoted; the water outlet pipe at the bottom of the No. 1 ozone catalytic oxidation tower is connected with the water inlet pipe at the bottom of the No. 2 ozone catalytic oxidation tower through a pipeline and automatically flows into the water inlet pipe; the tail gas at the top of the 1# ozone release tower and the tail gas at the top of the 2# ozone release tower are collected by pipelines and connected with a tail gas circulating fan gas inlet, a tail gas circulating fan gas outlet is connected with a tail gas distributing pipe inlet at the bottom of the 2# ozone catalytic oxidation tower, a circulating gas inlet is connected with a tail gas perforation distributing pipe A inside the 2# ozone catalytic oxidation tower 4, and the circulating tail gas enters the 2# ozone catalytic oxidation tower through the perforation distributing pipe in a dispersing manner to participate in the ozone catalytic oxidation reaction, so that the recycling of the ozone tail gas is realized; the bottom of the No. 2 ozone catalytic oxidation tower is also provided with an ozone micropore aeration disc B which is connected with an ozone inlet pipe B and provides ozone together with a tail gas perforation gas distribution pipe; the circulating water pump absorbs water from the upper part of the No. 2 ozone catalytic oxidation tower and enters the bottom of the No. 1 ozone catalytic oxidation tower through the pump, so that the circulation of the wastewater is realized; 2# ozone catalytic oxidation tower upper portion outlet pipe goes out the rivers and gets into ozone defoaming jar, aerates in the jar, and defoaming pump 6 circulates, and the defoaming water sprays in the jar, and tail gas recovery gets into tail gas destroyer 7, realizes innoxious emission.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model provides a steam circulation ozone reaction system arranges micropore aeration dish in 1# ozone catalytic oxidation tower on the one hand, increases gas-liquid area of contact, sets up the solid filler catalyst simultaneously, improves ozonolysis speed, promotes oxidation reaction, and on the other hand adopts circulating fan to retrieve tail gas, sends into 2# catalytic oxidation tower, further improves the utilization ratio of ozone. The circulating fan is adopted to recycle the ozone tail gas, the circulating air quantity can be adjusted at any time according to the concentration and the treatment effect of the ozone in the tail gas, and the valve for adjusting the ozone pipeline in the 2# ozone catalytic oxidation tower can be combined to control the concentration of the ozone in the 2# ozone catalytic oxidation tower, so that the oxidation effect is ensured;

2. the water vapor circulation ozone reaction system provided by the utility model increases the air water contact time through the sewage circulation reaction, and improves the treatment effect;

3. the water vapor circulation ozone reaction system provided by the utility model improves the recovery rate of tail gas ozone through tail gas circulation reaction, greatly reduces the ozone adding amount and saves the operation cost;

4. the utility model provides a steam circulation ozone reaction system, the system is nimble, and maneuverability space is big, and the degree of automatic control is high.

To sum up, use the technical scheme of the utility model the current 1 level turriform formula of adoption among the prior art has been solved, and ozone gets into from the bottom, and top tail gas directly gets into the tail gas destroyer and destroys, and the ozone utilization ratio is lower, the problem that running cost increases.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure:

1. the system comprises a No. 1 ozone catalytic oxidation tower 11, a tail gas collecting pipeline A12, a spray pipe 13, a wastewater inlet pipe 14, a filler A15, an ozone aeration disc A16, an emptying pipe A17, a backwashing water discharge pipe A18, a water outlet pipe 19, a circulating water distribution pipe 110 and a backwashing water inlet pipe A;

2. a tail gas circulating fan;

3. a water circulating pump;

4. a No. 2 ozone catalytic oxidation tower 41, a tail gas collecting pipeline B42, a circulating pump suction pipe 43, a filler B44, a water inlet pipe 45, a tail gas distribution pipe A46, an emptying pipe B47, a water outlet pipe 48, a backwashing water discharge pipe B49, an ozone aeration disc B410 and a backwashing water inlet pipe B;

5. an ozone defoaming tank 51, a tail gas collecting pipeline C52, a defoaming spray pipe 53, a water inlet pipe 54, an air aeration pipe 55, a water discharge pipe 56, a defoaming pump suction pipe 57 and an emptying pipe;

6. a defoaming pump;

7. a tail gas destructor;

8. an ozone inlet pipe A;

9. an ozone inlet pipe B;

10. an air supply pipe.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in the figure, the utility model provides a steam circulation ozone reaction system includes: the system comprises a No. 1 ozone catalytic oxidation tower 1, a tail gas circulating fan 2, a circulating water pump 3, a No. 2 ozone catalytic oxidation tower 4, an ozone defoaming tank 5, a defoaming pump 6 and a tail gas destructor 7; the top of the No. 1 ozone catalytic oxidation tower 1 is provided with a tail gas collecting pipeline A11, the upper part is provided with a wastewater inlet pipe 13, and the lower part is provided with an ozone inlet pipe A8 and a circulating water distribution pipe 19; a tail gas collecting pipeline B41 is arranged at the top of the No. 2 ozone catalytic oxidation tower 4, and an ozone inlet pipe B9 and a tail gas distribution pipe A45 are arranged at the lower part of the No. 2 ozone catalytic oxidation tower; the air inlet end of the tail gas circulating fan 2 is connected with a tail gas collecting pipeline A11 and a tail gas collecting pipeline B41, and the air outlet end of the tail gas circulating fan is connected with a tail gas distributing pipe A45 at the lower part of the 2# ozone catalytic oxidation tower 4; the inlet end of the circulating water pump 3 is communicated with the upper part of the No. 2 ozone catalytic oxidation tower 4 through a circulating pump suction pipe 42, and the outlet end of the circulating water pump is connected with a circulating water distribution pipe 19 at the lower part of the No. 1 ozone catalytic oxidation tower 1, so that the circulation between the No. 1 ozone catalytic oxidation tower 1 and the No. 2 ozone catalytic oxidation tower 4 is realized; the top of the ozone defoaming tank 5 is provided with a tail gas collecting pipeline C51 and is communicated with a tail gas destructor 7 through a tail gas collecting pipeline C51; the lower part is provided with an air supply pipe 10 and a water inlet pipe 53 communicated with a water outlet pipe 47 at the upper part of the No. 2 ozone catalytic oxidation tower 4; the suction end of the defoaming pump 6 is communicated with the lower part of the ozone defoaming tank 5 through a defoaming pump suction pipe 56, and the pump outlet end is communicated with the upper part of the ozone defoaming tank 5 through a pipeline.

The upper part of the No. 1 ozone catalytic oxidation tower 1 is provided with a backwashing water discharge pipe A17, and the lower part is provided with a backwashing water inlet pipe A110; the upper part in the No. 1 ozone catalytic oxidation tower 1 is provided with a spray pipe 12, and the spray pipe 12 is communicated with a wastewater inlet pipe 13; the middle part of the No. 1 ozone catalytic oxidation tower 1 is provided with a filler A14, and the lower part of the filler A14 is provided with a water outlet pipe 18; an ozone aeration disc A15 is arranged at the lower part in the No. 1 ozone catalytic oxidation tower 1, and the ozone aeration disc A15 is communicated with an ozone inlet pipe A8; an emptying pipe A16 is arranged at the position 50mm away from the bottom of the tower at the lower part of the No. 1 ozone catalytic oxidation tower (1).

The upper part of the No. 2 ozone catalytic oxidation tower 4 is provided with a backwashing water discharge pipe B48, and the lower part is provided with a backwashing water inlet pipe B410; the middle part in the No. 2 ozone catalytic oxidation tower 4 is provided with a filler B43, the lower part of the filler B43 is provided with a water inlet pipe 44, and the water inlet pipe 44 is connected with a water outlet pipe 18 of the No. 1 ozone catalytic oxidation tower through a pipeline; an ozone aeration disc B49 is arranged at the lower part of the No. 2 ozone catalytic oxidation tower 4, an ozone aeration disc B49 is positioned at the lower part of a tail gas distribution pipe A45, and an ozone aeration disc B49 is communicated with an ozone inlet pipe B9; an emptying pipe B46 is arranged at the position 50mm away from the bottom of the 2# ozone catalytic oxidation tower 4.

The upper part of the ozone defoaming tank 5 is provided with a defoaming spray pipe 52, and the defoaming spray pipe 52 is connected with the outlet end of the defoaming pump 6 through a pipeline; the upper part of the ozone defoaming tank 5 is also provided with a drain pipe 55; the lower part of the ozone defoaming tank 5 is provided with an air aeration pipe 54, the air aeration pipe 54 and the air supply pipe 10, and the air aeration pipe 54 is positioned at the lower part of the water inlet pipe 53; an emptying pipe C57 is arranged at the lower part of the ozone defoaming tank 5 and 50mm away from the bottom of the tower.

Embodiment mode 1

Chemical wastewater of 20m3/h enters a No. 1 ozone catalytic oxidation tower 1 through a top wastewater inlet pipe 13, is sprayed and distributed by a spraying pipe 12, ozone prepared by an ozone generator enters the bottom of the No. 1 ozone catalytic oxidation tower 1 from an ozone inlet pipe A8 by an ozone amount of 8kg/h, and is in reverse contact reaction with sewage from bottom to top, tail gas after reaction and tail gas of the No. 2 ozone catalytic oxidation tower are collected together by a tail gas collecting pipeline A and a tail gas collecting pipeline B, and the tail gas of 80-150m3/h is pressurized by a circulating fan 2 and enters a gas distribution pipe at the bottom of the No. 2 ozone catalytic oxidation tower to be combined with ozone supplemented by an ozone inlet pipe B9 for oxidation reaction; the circulating water pump 3 adopts a circulating pump with the flow of 20m3/h to circulate between the No. 1 ozone catalytic oxidation tower and the No. 2 ozone catalytic oxidation tower, so that the rising flow velocity of water in the towers is increased, the gas-water contact time is prolonged, and the treatment effect is improved; the ozone defoaming tank 5 adopts a defoaming pump 6 with the flow rate of 100m3/h to carry out circulating spraying defoaming, so that residual ozone in the wastewater is effectively eliminated; tail gas at the top of the ozone defoaming tank 5 is about 50-80m3/h, is collected by a tail gas collecting system and then enters a tail gas destructor 7 for harmless treatment, and then is discharged; the water discharged from the ozone defoaming tank enters the next stage of reaction device through a water outlet pipe.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (4)

1. A water vapor circulation ozone reaction system is characterized in that:

the water vapor circulation ozone reaction system comprises: the system comprises a 1# ozone catalytic oxidation tower (1), a tail gas circulating fan (2), a circulating water pump (3), a 2# ozone catalytic oxidation tower (4), an ozone defoaming tank (5), a defoaming pump (6) and a tail gas destroyer (7);

the top of the No. 1 ozone catalytic oxidation tower (1) is provided with a tail gas collecting pipeline A (11), the upper part is provided with a wastewater inlet pipe (13), and the lower part is provided with an ozone inlet pipe A (8) and a circulating water distribution pipe (19);

a tail gas collecting pipeline B (41) is arranged at the top of the No. 2 ozone catalytic oxidation tower (4), and an ozone inlet pipe B (9) and a tail gas distribution pipe A (45) are arranged at the lower part of the No. 2 ozone catalytic oxidation tower;

the air inlet end of the tail gas circulating fan (2) is connected with a tail gas collecting pipeline A (11) and a tail gas collecting pipeline B (41), and the air outlet end of the tail gas circulating fan is connected with a tail gas distributing pipe A (45) at the lower part of the 2# ozone catalytic oxidation tower (4);

the inlet end of the circulating water pump (3) is communicated with the upper part of the No. 2 ozone catalytic oxidation tower (4) through a circulating pump suction pipe (42), and the outlet end of the circulating water pump is connected with a circulating water distribution pipe (19) at the lower part of the No. 1 ozone catalytic oxidation tower (1);

a tail gas collecting pipeline C (51) is arranged at the top of the ozone defoaming tank (5) and is communicated with a tail gas destructor (7) through the tail gas collecting pipeline C (51); the lower part is provided with an air supply pipe (10) and a water inlet pipe (53) communicated with a water outlet pipe (47) at the upper part of the 2# ozone catalytic oxidation tower (4);

the suction end of the defoaming pump (6) is communicated with the lower part of the ozone defoaming tank (5) through a defoaming pump suction pipe (56), and the pump outlet end is communicated with the upper part of the ozone defoaming tank (5) through a pipeline.

2. The water vapor cycle ozone reaction system of claim 1, wherein:

the upper part of the No. 1 ozone catalytic oxidation tower (1) is provided with a backwashing water discharge pipe A (17), and the lower part is provided with a backwashing water inlet pipe A (110);

a spray pipe (12) is arranged at the upper part in the No. 1 ozone catalytic oxidation tower (1), and the spray pipe (12) is communicated with a wastewater inlet pipe (13);

the middle part of the No. 1 ozone catalytic oxidation tower (1) is provided with a filler A (14), and the lower part of the filler A (14) is provided with a water outlet pipe (18);

an ozone aeration disc A (15) is arranged at the lower part in the No. 1 ozone catalytic oxidation tower (1), and the ozone aeration disc A (15) is communicated with an ozone inlet pipe A (8);

and an emptying pipe A (16) is arranged at the position 50mm away from the bottom of the tower at the lower part of the No. 1 ozone catalytic oxidation tower (1).

3. The water vapor cycle ozone reaction system of claim 1, wherein:

the upper part of the No. 2 ozone catalytic oxidation tower (4) is provided with a backwashing water discharge pipe B (48), and the lower part is provided with a backwashing water inlet pipe B (410);

the middle part in the No. 2 ozone catalytic oxidation tower (4) is provided with a filler B (43), the lower part of the filler B (43) is provided with a water inlet pipe (44), and the water inlet pipe (44) is connected with a water outlet pipe (18) of the No. 1 ozone catalytic oxidation tower through a pipeline;

an ozone aeration disc B (49) is arranged at the lower part of the No. 2 ozone catalytic oxidation tower (4), the ozone aeration disc B (49) is positioned at the lower part of the tail gas distribution pipe A (45), and the ozone aeration disc B (49) is communicated with an ozone inlet pipe B (9);

and an emptying pipe B (46) is arranged at the position 50mm away from the bottom of the 2# ozone catalytic oxidation tower (4).

4. The water vapor cycle ozone reaction system of claim 1, wherein:

the upper part of the ozone defoaming tank (5) is provided with a defoaming spray pipe (52), and the defoaming spray pipe (52) is connected with the outlet end of the defoaming pump (6) through a pipeline;

the upper part of the ozone defoaming tank (5) is also provided with a drain pipe (55);

an air aeration pipe (54) is arranged at the lower part of the ozone defoaming tank (5), the air aeration pipe (54) and the air supply pipe (10) are arranged, and the air aeration pipe (54) is positioned at the lower part of the water inlet pipe (53);

and an emptying pipe C (57) is arranged at the position 50mm away from the bottom of the tower at the lower part of the ozone defoaming tank (5).

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