Ozone and micro-nano bubble multistage reaction tower device

Abstract

The utility model provides an ozone and micro-nano bubble multistage reaction tower device, relates to the waste gas treatment technical field, the ozone and micro-nano bubble multistage reaction tower device comprises a tower body, a plurality of clapboards are arranged in the tower body, the length direction of the clapboards is perpendicular to the height direction of the tower body, and the length direction of the clapboards is perpendicular to the height direction of the tower body. The interior of the tower body is divided into a plurality of reaction chambers by the plurality of partition plates; the nano ozone bubble spraying structure adopts a technology of combining ozone and micro-nano bubbles, an efficient treatment effect is realized under relatively low energy consumption, high-temperature operation and a complicated material regeneration process are avoided, and waste gas in the tower body is subjected to multi-stage spraying treatment, so that the waste gas treatment efficiency is improved. According to the waste gas treatment device disclosed by the invention, full contact and reaction of waste gas with ozone, micro-nano bubbles and microorganisms are ensured, so that the waste gas can be continuously subjected to efficient oxidation and mass transfer effects in the whole treatment process, and the waste gas is biodegraded by arranging the biological carrier filler, so that the removal efficiency of VOCs is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely is a kind of ozone plus micro-nano bubble multistage reaction tower device. BACKGROUND

[0002] Waste gas treatment, also known as waste gas purification, is mainly aimed at the waste gas generated in industrial sites and factory workshops, and pretreated before external discharge to meet the national standard for external discharge of waste gas. In the field of modern industrial waste gas treatment, the removal of volatile organic compounds (VOCs) is a major challenge.

[0003] Existing VOCs treatment technologies mostly rely on single physical, chemical or biological methods, such as adsorption, combustion, condensation, biological filter, etc. Traditional technologies such as adsorption, absorption and combustion have high treatment efficiency for single component or high concentration VOCs, but the treatment effect is not ideal when facing complex components or low concentration VOCs. Combustion technology and condensation technology have high energy consumption and relatively high operating cost, especially when dealing with low concentration VOCs, the cost-effectiveness is poor. Adsorption technology needs to replace or regenerate adsorption materials regularly, which also increases the operating cost. These methods often face problems such as low treatment efficiency, high energy consumption, high cost and secondary pollution when dealing with high concentration or complex component VOCs. SUMMARY

[0004] The utility model aims at providing a kind of ozone plus micro-nano bubble multistage reaction tower device, to solve the problems in prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of ozone plus micro-nano bubble multistage reaction tower device in one aspect of embodiment, including tower body, the inside of tower body is provided with multiple partitions, the length direction of partition is perpendicular to the height direction of tower body, the inside of tower body is divided into multiple reaction chambers by multiple partitions, biological carrier filler is arranged between multiple reaction chambers, cyclone device is arranged at the bottom end of the inside of tower body, waste gas is moved along the height direction of tower body after cyclone device, waste gas inlet corresponding to the position of cyclone device is arranged on the tower body, the direction of inlet of waste gas inlet is perpendicular to the height direction of tower body, nanometer ozone bubble spraying structure for multistage treatment of waste gas is connected to the tower body, nanometer ozone bubble spraying structure is used for multistage spraying treatment operation of waste gas, exhaust port is arranged at the top of tower body, and exhaust port is used to discharge gas purified in the inside of tower body.

[0006] Preferably, the nano-ozone bubble spraying structure comprises a nano-ozone bubble pool connected with an ozone generator, a nano-bubble generator and a circulating water pump, the circulating water pump is connected with a first spraying pipe and a plurality of second spraying pipes through pipelines, a plurality of spraying nozzles 67 are connected to the first spraying pipe and the second spraying pipes, the first spraying pipe is located above the cyclone device, the spraying direction of the spraying nozzles 67 connected to the first spraying pipe is perpendicular to the height direction of the tower body, and the second spraying pipe is located inside the reaction chamber, and the spraying direction of the spraying nozzles 67 connected to the second spraying pipe is parallel to the height direction of the tower body.

[0007] Preferably, a water-gas separator is arranged inside the tower body and located above the biological carrier filler.

[0008] Preferably, an exhaust structure is connected to the tower body, the exhaust structure comprises an air duct connected to the top of the tower body, the air duct is communicated with an exhaust port, an exhaust fan is connected to the air duct, and an exhaust chimney is connected to the air duct.

[0009] Preferably, a detection platform is arranged on the exhaust chimney for detecting the concentration of the exhaust gas discharged from the exhaust chimney.

[0010] Preferably, an electric control device is arranged on one side of the exhaust chimney, and the ozone generator and the nano-bubble generator are electrically connected to the electric control device.

[0011] Preferably, a backflow hopper is connected to the bottom end of the tower body, the backflow hopper is located below the cyclone device, and the bottom end of the backflow hopper is communicated with the ozone bubble pool.

[0012] Preferably, the cyclone device is one of a cyclone plate and a blade.

[0013] Compared with the prior art, the nano-ozone bubble spraying structure has the following beneficial effects:

[0014] 1. The nano-ozone bubble spraying structure adopts the technology of combining ozone and micro-nano bubbles, realizes high-efficiency treatment effect under low energy consumption, avoids high-temperature operation and complex material regeneration process, and ensures the sufficient contact and reaction of the exhaust gas with ozone, micro-nano bubbles and microorganisms through multi-stage spraying treatment of the exhaust gas located inside the tower body, so that the exhaust gas can continuously receive efficient oxidation and mass transfer effect in the whole treatment process, and the biological carrier filler is arranged to biodegrade the exhaust gas, thereby significantly improving the removal efficiency of VOCs.

[0015] 2、By adopting the way of biodegradation by biological carrier filler, not only the harmful components in the waste gas are further reduced, but also the green treatment is realized, the pollution to the atmospheric environment is reduced, the requirements of modern environmental protection are met, and the use of the biological carrier filler further reduces the operation cost, the generation and treatment cost of secondary pollutants are reduced by natural degradation of microorganisms, and the ozone plus micro-nano bubble multi-stage treatment structure shows low operation cost in energy consumption, material consumption and equipment maintenance, so that the cost of the device is low. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structure schematic view of the utility model;

[0017] Fig. 2 It is a structure schematic view of the utility model;

[0018] Fig. 3 It is a structure schematic view of the utility model tower body.

[0019] In the drawing: 10, tower body;11, air duct;12, exhaust fan;13, exhaust chimney;14, detection platform;15, backflow hopper;20, reaction chamber;30, biological carrier filler;40, cyclone device;50, waste gas inlet;60, nano ozone bubble spraying structure;61, nano ozone bubble reservoir;62, ozone generator;63, nano bubble generator;64, circulating water pump;65, first spraying pipe;66, second spraying pipe;67, spraying nozzle 67;70, exhaust port;80, water-gas separator;90, electric control equipment. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings.

[0021] Example 1: as Figs. 1 to 3As shown, an ozone plus micro-nano bubble multi-stage reaction tower device, which comprises a tower body 10, a plurality of partitions are arranged inside the tower body 10, the length direction of the partitions is perpendicular to the height direction of the tower body 10, the tower body 10 is divided into a plurality of reaction chambers 20 by the plurality of partitions, biological carrier fillings 30 are arranged between the plurality of reaction chambers 20, the biological carrier fillings 30 are supported on the partitions, the biological carrier fillings 30 are supported by the partitions, a cyclone device 40 is arranged at the bottom end inside the tower body 10, the exhaust gas moves in a spiral shape along the height direction of the tower body 10 after passing through the cyclone device 40, an exhaust gas inlet 50 corresponding to the position of the cyclone device 40 is arranged on the tower body 10, the exhaust gas inlet 50 is located below the cyclone device 40, the inlet direction of the exhaust gas inlet 50 is perpendicular to the height direction of the tower body 10, a nano ozone bubble spraying structure 60 for multi-stage treatment of the exhaust gas is connected to the tower body 10, the nano ozone bubble spraying structure 60 is used for multi-stage spraying treatment of the exhaust gas, an exhaust outlet 70 is arranged at the top of the tower body 10, the exhaust outlet 70 is used for discharging the gas purified inside the tower body 10, when the exhaust gas is treated, the reaction time of the exhaust gas in the tower body 10 is set to N+5 seconds, so as to ensure that the exhaust gas fully reacts in each treatment stage, so that the treatment effect of the exhaust gas is better.

[0022] The nano ozone bubble spraying structure 60 comprises a nano ozone bubble reservoir 61, an ozone generator 62, a nano bubble generator 63 and a circulating water pump 64 are connected to the nano ozone bubble reservoir 61, the circulating water pump 64 is connected with a first spraying pipe 65 and a plurality of second spraying pipes 66 through pipelines, a plurality of spraying nozzles 67 are connected to the first spraying pipe 65 and the second spraying pipes 66, the plurality of spraying nozzles 67 are uniformly distributed on the first spraying pipe 65 and the second spraying pipes 66, the first spraying pipe 65 is located above the cyclone device 40, the spraying direction of the spraying nozzles 67 connected to the first spraying pipe 65 is perpendicular to the height direction of the tower body 10, the spraying nozzles 67 connected to the first spraying pipe 65 have two spraying directions, which can comprehensively spray the gas inside the tower body 10, the second spraying pipes 66 are located inside the reaction chambers 20, the spraying direction of the spraying nozzles 67 connected to the second spraying pipes 66 is parallel to the height direction of the tower body 10, the second spraying pipes 66 are located above the first spraying pipe 65, the ozone generator 62 and the nano bubble generator 63 can fully dissolve low-concentration ozone in water to produce high-concentration ozone bubble water, and the bubble particle size of the ozone bubble water reaches 10-100 nm, and the nano-level ozone bubble improves the contact area and reaction rate between the gas and liquid phases.

[0023] The inside of the tower body 10 is provided with a water-gas separator 80, which is supported by a partition plate to ensure the stability of the water-gas separator 80. The water-gas separator 80 is located above the biological carrier filler 30 and below the exhaust port 70. The second spray pipe 66 is located below the water-gas separator 80.

[0024] The tower body 10 is connected with an exhaust structure, which includes an air duct 11 connected with the top of the tower body 10. The air duct 11 is connected with the exhaust port 70. The air duct 11 is connected with an exhaust fan 12. The air duct 11 is connected with an exhaust chimney 13. The exhaust chimney 13 is provided with a detection platform 14 for detecting the concentration of exhaust gas discharged from the exhaust chimney 13, so as to determine whether the discharged exhaust gas meets the standard.

[0025] The exhaust chimney 13 is provided with an electric control device 90. The ozone generator 62 and the nano-bubble generator 63 are electrically connected with the electric control device 90. The ozone concentration, the concentration and the flow of the micro-nano bubbles generated by the ozone generator 62 can be set through the electric control device 90, so that the reaction effect of ozone and micro-nano bubbles with exhaust gas is better.

[0026] The bottom end of the tower body 10 is connected with a backflow hopper 15, which is located below the cyclone device 40. The bottom end of the backflow hopper 15 is connected with the nano-ozone-bubble reservoir 61. The backflow hopper 15 can collect the sprayed liquid and re-deliver it to the inside of the nano-ozone-bubble reservoir 61.

[0027] The cyclone device 40 is a kind of rotating flow plate or blade. When the exhaust gas enters the inside of the tower body 10, the cyclone device 40 can cause strong turbulence, thereby enhancing the mixing effect of the gas and the sprayed liquid.

[0028] In example 2, based on example 1, according to the concentration and type of VOCs in the exhaust gas, the treatment conditions in each reaction chamber 20 are adjusted, such as the ozone concentration, the concentration and flow of micro-nano bubbles, or the type and density of the biological carrier filler 30, so as to further optimize the exhaust gas treatment effect. The ozone plus micro-nano bubble multi-stage reaction tower device can be optimized for different working conditions and is suitable for various industrial scenes such as chemical industry, pharmaceutical industry, spraying, etc.

[0029] The working principle is as follows:

[0030] When the exhaust gas is treated, first, the nanometer ozone bubbles are generated in the inside of the nanometer ozone bubble reservoir 61 by the ozone generator 62 and the nanometer bubble generator 63, and the liquid carrying the nanometer ozone bubbles is delivered to the inside of the first spray pipe 65 and the second spray pipe 66 by the circulating water pump 64, and then sprayed out through the spray nozzles 67, and then the gas is delivered from the exhaust gas inlet 50 to the inside of the tower body 10 and the exhaust fan 12 is started, at this time, the exhaust gas entering the inside of the tower body 10 is caused to be turbulent by the cyclone device 40, the nanometer ozone bubble liquid sprayed out through the spray nozzles 67 connected with the first spray pipe 65 is mixed with the exhaust gas and fully contacted, the exhaust gas is preliminarily treated, that is, the preliminary VOCs decomposition reaction is opened, the exhaust gas after the preliminary treatment is sequentially reacted with the nanometer ozone bubble liquid sprayed out through the spray nozzles 67 connected with the second spray pipe 66, the exhaust gas is subjected to multi-stage spray treatment operation, and in this process, when the exhaust gas passes through the biological carrier filler 30, the pollutants in the exhaust gas are further removed by the biodegradation of the biological carrier filler 30, the exhaust gas after the multi-stage spray and biodegradation is separated from the water vapor in the gas by the water vapor separator 80, so that the treated exhaust gas is dried, and the dried gas enters the inside of the air duct 11 through the exhaust port 70, and under the action of the exhaust fan 12, the treated exhaust gas is discharged through the exhaust chimney 13, so that the treatment operation of the exhaust gas is completed.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0032] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A multi-stage reaction tower device for ozone plus micro / nano bubbles, characterized in that: The system includes a tower body (10), the interior of which is provided with multiple partitions. The length direction of the partitions is perpendicular to the height direction of the tower body (10), dividing the interior of the tower body (10) into multiple reaction chambers (20). Biological carrier packing (30) is provided between each of the multiple reaction chambers (20). A cyclone device (40) is provided at the bottom of the interior of the tower body (10). After passing through the cyclone device (40), the exhaust gas forms a spiral shape and moves along the height direction of the tower body (10). The tower body (10) is provided with an exhaust gas inlet (50) corresponding to the position of the cyclone device (40). The direction of the exhaust gas inlet (50) is perpendicular to the height direction of the tower body (10). The tower body (10) is connected to a nano ozone bubble spray structure (60) for multi-stage treatment of exhaust gas. The nano ozone bubble spray structure (60) is used for multi-stage spray treatment of exhaust gas. The top of the tower body (10) is provided with an exhaust port (70) for discharging the purified gas inside the tower body (10).

2. The ozone plus micro / nano bubble multi-stage reaction tower device according to claim 1, characterized in that: The nano ozone bubble spray structure (60) includes a nano ozone bubble storage tank (61), which is connected to an ozone generator (62), a nano bubble generator (63), and a circulating water pump (64). The circulating water pump (64) is connected to a first spray pipe (65) and multiple second spray pipes (66) through a pipe. Multiple spray nozzles 67 (67) are connected to both the first spray pipe (65) and the second spray pipe (66). The first spray pipe (65) is located above the cyclone device (40), and the spraying direction of the spray nozzles 67 (67) connected to the first spray pipe (65) is perpendicular to the height direction of the tower body (10). The second spray pipe (66) is located inside the reaction chamber (20), and the spraying direction of the spray nozzles 67 (67) connected to the second spray pipe (66) is parallel to the height direction of the tower body (10).

3. The ozone plus micro / nano bubble multi-stage reaction tower device according to claim 2, characterized in that: The tower body (10) is equipped with a water-gas separator (80) located above the biological carrier packing (30).

4. The ozone plus micro / nano bubble multi-stage reaction tower device according to claim 2, characterized in that: The tower body (10) is connected to an exhaust structure, which includes a duct (11) connected to the top of the tower body (10), the duct (11) being connected to an exhaust port (70), a blower (12) being connected to the duct (11), and an exhaust chimney (13) being connected to the duct (11).

5. The ozone plus micro / nano bubble multi-stage reaction tower device according to claim 4, characterized in that: A detection platform (14) is provided on the exhaust chimney (13) for detecting the concentration of the exhaust gas discharged from the exhaust chimney (13).

6. The ozone plus micro / nano bubble multi-stage reaction tower device according to claim 5, characterized in that: An electrical control device (90) is provided on one side of the exhaust chimney (13), and the ozone generator (62) and the nanobubble generator (63) are both electrically connected to the electrical control device (90).

7. The ozone plus micro / nano bubble multi-stage reaction tower device according to claim 6, characterized in that: The bottom end of the tower body (10) is connected to a reflux bucket (15), which is located below the cyclone device (40). The bottom end of the reflux bucket (15) is connected to the ozone bubble storage tank (61).

8. The ozone plus micro / nano bubble multi-stage reaction tower device according to claim 7, characterized in that: The cyclone device (40) is a type of cyclone plate or blade.

Images