CN218879642U - Ozone system for degrading COD - Google Patents
Ozone system for degrading COD Download PDFInfo
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- CN218879642U CN218879642U CN202222916863.6U CN202222916863U CN218879642U CN 218879642 U CN218879642 U CN 218879642U CN 202222916863 U CN202222916863 U CN 202222916863U CN 218879642 U CN218879642 U CN 218879642U
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Abstract
The utility model belongs to the sewage treatment field, especially, degradation COD's ozone system, it is complicated to current COD degradation system structure, and the system flow is loaded down with trivial details, and the practicality is not high, the not high problem of ozone system conversion efficiency, the scheme as follows now is proposed, and it includes the homogeneity equalizing basin, one side of homogeneity equalizing basin is equipped with the reaction tank, and the opposite side of reaction tank is equipped with the PH equalizing basin, and the opposite side of PH equalizing basin is equipped with electrolytic catalytic oxidation system, and electrolytic catalytic oxidation system's opposite side is equipped with the coagulating sedimentation tank, one side of reaction tank is equipped with ozone generator, the one end fixedly connected with conveyer pipe of ozone generator gas outlet, the other end fixedly connected with shunt tubes of conveyer pipe, conveying mechanism sets up one side at the homogeneity equalizing basin, the utility model discloses in, can let COD degradation system succinct more effective, have higher practicality, can improve the conversion efficiency of organic matter, can also make things convenient for people to change solid catalyst.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a COD's ozone system degrades.
Background
The Chemical Oxygen Demand (COD) is the amount of reducing substances needing to be oxidized in a water sample measured by a chemical method. The oxygen equivalent of a substance (typically an organic substance) that can be oxidized by a strong oxidizing agent in sewage, sewage treatment plant effluent, and contaminated water. It is an important and relatively fast-to-measure organic pollution parameter in the research of river pollution and industrial sewage properties and the operation management of sewage treatment plants.
With the continuous development of water treatment technology, many methods aiming at removing COD appear on the market, including electrochemical method, chemical flocculation method, ozone oxidation method, adsorption method, biological method and the like, wherein the ozone oxidation method utilizes hydroxyl radicals with strong oxidation generated by catalytic oxidation of ozone to react with organic matters in sewage and decompose the organic matters, but the existing COD degradation system still has some defects:
1. the existing COD degradation system has a complex structure, a complex system flow and low practicability;
2. the existing ozone system has low conversion efficiency and needs repeated reaction.
In order to solve the problems, the utility model discloses the file provides a degradation COD's ozone system.
Disclosure of Invention
The utility model provides a COD's ozone system of degradation has solved and has had COD degradation system structure complicacy among the prior art, and the system flow is loaded down with trivial details, and the practicality is not high, the not high shortcoming of ozone system conversion efficiency.
The utility model provides a following technical scheme:
an ozone system for degrading COD comprising:
the device comprises a homogenizing adjusting tank, a reaction tank is arranged on one side of the homogenizing adjusting tank, a PH adjusting tank is arranged on the other side of the reaction tank, an electrolytic catalytic oxidation system is arranged on the other side of the PH adjusting tank, a coagulating sedimentation tank is arranged on the other side of the electrolytic catalytic oxidation system, an ozone generator is arranged on one side of the reaction tank, one end of an air outlet of the ozone generator is fixedly connected with a conveying pipe, and the other end of the conveying pipe is fixedly connected with a flow dividing pipe;
the conveying mechanism is arranged on one side of the homogenizing adjusting tank and is used for conveying the sewage;
the stirring mechanism is arranged in the homogenizing adjusting tank and is used for homogenizing and adjusting the sewage;
and the catalytic oxidation mechanisms are arranged on the inner wall of the bottom of the reaction tank and are used for decomposing organic matters in the sewage.
Preferably, the conveying mechanism comprises a first water pump and a second water pump, the first water pump is fixedly connected between the homogenizing adjusting tank and the reaction tank, the second water pump is fixedly connected between the reaction tank and the PH adjusting tank, a water inlet end and a water outlet end of the first water pump are respectively and fixedly connected with a first water inlet pipe and a first water outlet pipe, bottoms of the first water inlet pipe and the first water outlet pipe are respectively located in the homogenizing adjusting tank and the reaction tank, a water inlet end and a water outlet end of the second water pump are respectively and fixedly connected with a second water inlet pipe and a second water outlet pipe, and bottoms of the second water inlet pipe and the second water outlet pipe are respectively located in the reaction tank and the PH adjusting tank.
Preferably, the stirring mechanism comprises a fixing frame, the fixing frame is fixedly connected to the upper surface of the homogenizing adjusting tank, the upper surface of the fixing frame is fixedly connected with a motor, one end of an output shaft of the motor penetrates through the upper surface of the fixing frame and is fixedly connected with a movable shaft, and the outer wall of the circumference of the movable shaft is fixedly connected with a plurality of stirring blades.
Preferably, catalytic oxidation mechanism includes the fixing base, fixing base fixed connection is at the bottom inner wall of reaction tank, one of them end of giving vent to anger of shunt tubes passes one side of fixing base, the bottom inner wall of fixing base is equipped with solid catalyst.
Preferably, the outer wall of one side of the fixing seat penetrates through the limiting plate in a sliding manner, and two springs are fixedly connected between the limiting plate and the inner wall of one side of the fixing seat.
Preferably, one side of the coagulating sedimentation tank is provided with a storage cabinet.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
The utility model discloses in, through a plurality of structure settings such as homogeneity equalizing basin, reaction tank and PH equalizing basin, the homogeneity equalizing basin can carry out the homogeneity to the sewage of different concentrations and adjust, the reaction tank can utilize ozone catalytic oxidation to generate the hydroxyl free radical that the oxidizing power is extremely strong, can decompose the organic matter into mineralized substance such as carbon dioxide and water, carry out COD high efficiency degradation, the PH equalizing basin can adjust sewage PH to 3-4, the electrolysis catalytic oxidation system can carry out COD second grade degradation to sewage, add NaOH, PAC and PAM in the coagulating sedimentation tank at last, subside suspension colloid, particle impurity and surplus Fe ion in the water, whole system simple structure, the flow is succinct effective, has higher practicality;
the utility model discloses in, through the setting of ozone generator and solid catalyst, the core of ozone generator has adopted advanced dielectric barrier double gap discharge technique, the feed gas flows through the narrow and small clearance between insulating medium and the high voltage electrode and between insulating medium layer and the ozone generator jar body earthing pole, the high-voltage electric field double-sided discharge between two annular clearances, turn into ozone with the oxygen that passes through, ozone production efficiency is high, solid catalyst surface and cavity can carry out the enrichment absorption to aquatic ozone and organic pollutant, local ozone and pollutant concentration have been increased, the conversion efficiency that ozone produced the hydroxyl radical through catalytic action has been increased, greatly improve hydroxyl radical concentration, utilize the oxidability of hydroxyl radical to have nonselective and high-efficient characteristics, make the reaction rate faster, organic matter degradation is more thorough, organic matter conversion efficiency has been improved;
the utility model discloses in, through the setting of limiting plate and spring, the spring can promote the limiting plate and then promote fixed catalyst and shunt tubes fully to contact, has guaranteed ozone and solid catalyst's fully to it is also very convenient to change fixed catalyst.
The utility model discloses in, can let COD degradation system succinct more effective, have higher practicality, can improve the conversion efficiency of organic matter, can also make things convenient for people to change solid catalyst.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of an ozone system for degrading COD provided by an embodiment of the present invention;
FIG. 2 is a schematic view of a stirring mechanism of an ozone system for degrading COD provided by an embodiment of the present invention;
fig. 3 is a schematic structural view of a catalytic oxidation mechanism of an ozone system for degrading COD provided by an embodiment of the present invention.
Reference numerals are as follows:
1. a homogenizing adjusting tank; 2. a reaction tank; 3. a pH adjusting tank; 4. an electrolytic catalytic oxidation system; 5. a coagulating sedimentation tank; 6. an ozone generator; 7. a delivery pipe; 8. a shunt tube; 9. a first water pump; 10. a second water pump; 11. a fixed seat; 12. a storage cabinet; 13. a fixed mount; 14. a motor; 15. a movable shaft; 16. stirring blades; 17. a solid catalyst; 18. a limiting plate; 19. a spring.
Detailed Description
The embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "mounted" are to be interpreted broadly, for example, the terms "connected" may or may not be detachably connected; may be directly connected or indirectly connected through an intermediate. Further, "communication" may be direct communication or indirect communication through an intermediary. The term "fixed" means that they are connected to each other and their relative positional relationship is not changed after the connection. Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout, and wherein like reference numerals refer to like elements throughout.
In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Example 1
Referring to fig. 1, an ozone system for degrading COD comprises a homogeneous regulating tank 1, a reaction tank 2 is arranged on one side of the homogeneous regulating tank 1, a PH regulating tank 3 is arranged on the other side of the reaction tank 2, an electrolytic catalytic oxidation system 4 is arranged on the other side of the PH regulating tank 3, a coagulating sedimentation tank 5 is arranged on the other side of the electrolytic catalytic oxidation system 4, an ozone generator 6 is arranged on one side of the reaction tank 2, one end of an air outlet of the ozone generator 6 is fixedly connected with a delivery pipe 7, and the other end of the delivery pipe 7 is fixedly connected with a shunt pipe 8; the conveying mechanism is arranged on one side of the homogenizing adjusting tank 1 and is used for conveying the sewage; the stirring mechanism is arranged in the homogenizing adjusting tank 1 and is used for homogenizing and adjusting the sewage; a plurality of catalytic oxidation mechanisms, a plurality of catalytic oxidation mechanisms all set up the bottom inner wall at reaction tank 2 for decompose the organic matter in the sewage.
Referring to fig. 2, the conveying mechanism includes a first water pump 9 and a second water pump 10, the first water pump 9 is fixedly connected between the homogenization adjusting tank 1 and the reaction tank 2, the second water pump 10 is fixedly connected between the reaction tank 2 and the PH adjusting tank 3, the water inlet end and the water outlet end of the first water pump 9 are respectively and fixedly connected with a first water inlet pipe and a first water outlet pipe, the bottoms of the first water inlet pipe and the first water outlet pipe are respectively located in the homogenization adjusting tank 1 and the reaction tank 2, the water inlet end and the water outlet end of the second water pump 10 are respectively and fixedly connected with a second water inlet pipe and a second water outlet pipe, and the bottoms of the second water inlet pipe and the second water outlet pipe are respectively located in the reaction tank 2 and the PH adjusting tank 3.
Above-mentioned technical scheme can utilize first water pump 9 to carry the sewage in the homogeneity equalizing basin 1 and get into reaction tank 2 in, can utilize second water pump 10 to carry the sewage in the reaction tank 2 and get into in the PH equalizing basin 3.
Referring to fig. 2, the stirring mechanism includes a fixed frame 13, the fixed frame 13 is fixedly connected to the upper surface of the homogenizing adjusting tank 1, the upper surface of the fixed frame 13 is fixedly connected with a motor 14, one end of an output shaft of the motor 14 penetrates through the upper surface of the fixed frame 13 and is fixedly connected with a movable shaft 15, and the circumferential outer wall of the movable shaft 15 is fixedly connected with a plurality of stirring blades 16.
Above-mentioned technical scheme can utilize stirring leaf 16 to stir sewage, when the sewage of carrying different concentrations in the homogeneous regulating reservoir 1 simultaneously, can carry out the homogeneity to the sewage of mixing and adjust, and then make things convenient for subsequent chemical reaction.
Referring to fig. 3, catalytic oxidation mechanism includes fixing base 11, and fixing base 11 fixed connection is in the bottom inner wall of reaction tank 2, and one of them end of giving vent to anger of shunt tubes 8 passes one side of fixing base 11, and the bottom inner wall of fixing base 11 is equipped with solid catalyst 17.
According to the technical scheme, the solid catalyst 17 can be used for carrying out catalytic oxidation on ozone, so that hydroxyl radicals with extremely strong oxidizing power are generated, and then the hydroxyl radicals are combined with organic matters in sewage to react, so that the organic matters are decomposed.
Example 2
Referring to fig. 1, an ozone system for degrading COD comprises a homogeneous regulating tank 1, a reaction tank 2 is arranged on one side of the homogeneous regulating tank 1, a PH regulating tank 3 is arranged on the other side of the reaction tank 2, and an electrolytic catalytic oxidation system 4 is arranged on the other side of the PH regulating tank 3, wherein the structure and principle of the electrolytic catalytic oxidation system 4 are the same as those of the patent with the publication number of CN214360744U, a coagulating sedimentation tank 5 is arranged on the other side of the electrolytic catalytic oxidation system 4, an ozone generator 6 is arranged on one side of the reaction tank 2, one end of an air outlet of the ozone generator 6 is fixedly connected with a delivery pipe 7, and the other end of the delivery pipe 7 is fixedly connected with a shunt pipe 8; the conveying mechanism is arranged on one side of the homogenizing adjusting tank 1 and is used for conveying the sewage; the stirring mechanism is arranged in the homogenizing adjusting tank 1 and is used for homogenizing and adjusting the sewage; a plurality of catalytic oxidation mechanisms, a plurality of catalytic oxidation mechanisms all set up the bottom inner wall at reaction tank 2 for decompose the organic matter in the sewage.
Referring to fig. 2, the conveying mechanism includes a first water pump 9 and a second water pump 10, the first water pump 9 is fixedly connected between the homogenization regulating tank 1 and the reaction tank 2, the second water pump 10 is fixedly connected between the reaction tank 2 and the PH regulating tank 3, a water inlet end and a water outlet end of the first water pump 9 are respectively and fixedly connected with a first water inlet pipe and a first water outlet pipe, bottoms of the first water inlet pipe and the first water outlet pipe are respectively located in the homogenization regulating tank 1 and the reaction tank 2, a water inlet end and a water outlet end of the second water pump 10 are respectively and fixedly connected with a second water inlet pipe and a second water outlet pipe, and bottoms of the second water inlet pipe and the second water outlet pipe are respectively located in the reaction tank 2 and the PH regulating tank 3.
Above-mentioned technical scheme can utilize first water pump 9 to carry the sewage in the homogeneity equalizing basin 1 to get into in the reaction tank 2, can utilize second water pump 10 to carry the sewage in the reaction tank 2 to get into in the PH equalizing basin 3.
Referring to fig. 2, the stirring mechanism includes a fixed frame 13, the fixed frame 13 is fixedly connected to the upper surface of the homogenizing adjusting tank 1, the upper surface of the fixed frame 13 is fixedly connected with a motor 14, one end of an output shaft of the motor 14 penetrates through the upper surface of the fixed frame 13 and is fixedly connected with a movable shaft 15, and the circumferential outer wall of the movable shaft 15 is fixedly connected with a plurality of stirring blades 16.
Above-mentioned technical scheme can utilize stirring leaf 16 to stir sewage, when the sewage of carrying different concentrations in the homogeneous regulating reservoir 1 simultaneously, can carry out the homogeneity to the sewage of mixing and adjust, and then make things convenient for subsequent chemical reaction.
Referring to fig. 3, catalytic oxidation mechanism includes fixing base 11, and fixing base 11 fixed connection is in the bottom inner wall of reaction tank 2, and one of them end of giving vent to anger of shunt tubes 8 passes one side of fixing base 11, and the bottom inner wall of fixing base 11 is equipped with solid catalyst 17.
According to the technical scheme, the solid catalyst 17 can be used for carrying out catalytic oxidation on ozone, so that hydroxyl radicals with extremely strong oxidizing capability are generated, and then the hydroxyl radicals are combined with organic matters in sewage to react, so that the organic matters are decomposed.
Referring to fig. 3, a limiting plate 18 is slidably disposed through an outer wall of one side of the fixing base 11, and two springs 19 are fixedly connected between the limiting plate 18 and an inner wall of one side of the fixing base 11.
According to the technical scheme, the spring 19 can be used for pushing the limiting plate 18 to further push the solid catalyst 17 to be in full contact with the shunt pipe 8, so that full contact between ozone and the solid catalyst 17 is guaranteed, and the solid catalyst 17 is very convenient to replace.
Referring to fig. 1, a storage cabinet 12 is provided at one side of the coagulation sedimentation tank 5.
Above-mentioned technical scheme can utilize and accomodate cabinet 12 to store and accomodate required material of reaction, like NaOH, PAC and PAM etc. do not need people to make a round trip to carry, only need to accomodate cabinet 12 regularly supplement can.
However, as is well known to those skilled in the art, the operating principles and wiring methods of the ozone generator 6, the first water pump 9, the second water pump 10 and the motor 14 are common and are conventional means or common knowledge, and thus will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.
The working principle and the using process of the technical scheme are as follows: when people need to treat sewage, firstly, sewage with different concentrations is conveyed into a homogenizing adjusting tank 1, then a motor 14 is started, the motor 14 drives a movable shaft 15 to drive a stirring blade 16 to stir the sewage, after the sewage stays for a proper time, a first water pump 9 is started, the sewage is conveyed into a reaction tank 2 by the first water pump 9 to be subjected to COD degradation, at the moment, an ozone generator 6 is started to generate ozone, the generated ozone enters a solid catalyst 17 through a conveying pipe 7 and a shunt pipe 8, hydroxyl free radicals with strong oxidizing capability are generated under the action of the solid catalyst 17, then the hydroxyl free radicals are combined with organic matters in the sewage to react, the organic matters are decomposed into mineralized matters such as carbon dioxide, water and the like, after the reaction lasts for a sufficient time, a second water pump 10 is started, the sewage is conveyed into a PH adjusting tank 3 by the second water pump 10, at the moment, a corresponding regulator is added into the PH adjusting tank 3 to adjust the PH to 3-4, then the sewage is conveyed into an electrolytic catalytic oxidation system 4 to be subjected to secondary COD degradation, after the secondary degradation is finished, the sewage enters a precipitation coagulating tank 5, then the PAC, PAM ions and the residual suspended matters are added into the coagulation tank 5 to be subjected to be precipitated, and finally, and the residual Fe suspended matters are extracted.
The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention; without conflict, embodiments of the present invention and features of the embodiments may be combined with each other. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. An ozone system for degrading COD, comprising:
the device comprises a homogenizing adjusting tank (1), wherein a reaction tank (2) is arranged on one side of the homogenizing adjusting tank (1), a PH adjusting tank (3) is arranged on the other side of the reaction tank (2), an electrolytic catalytic oxidation system (4) is arranged on the other side of the PH adjusting tank (3), a coagulating sedimentation tank (5) is arranged on the other side of the electrolytic catalytic oxidation system (4), an ozone generator (6) is arranged on one side of the reaction tank (2), a conveying pipe (7) is fixedly connected to one end of an air outlet of the ozone generator (6), and a flow dividing pipe (8) is fixedly connected to the other end of the conveying pipe (7);
the conveying mechanism is arranged on one side of the homogenizing adjusting tank (1) and is used for conveying sewage;
the stirring mechanism is arranged in the homogenizing adjusting tank (1) and is used for homogenizing and adjusting the sewage;
and the catalytic oxidation mechanisms are arranged on the inner wall of the bottom of the reaction tank (2) and are used for decomposing organic matters in the sewage.
2. The ozone system for degrading COD according to claim 1, wherein the conveying mechanism comprises a first water pump (9) and a second water pump (10), the first water pump (9) is fixedly connected between the homogenization regulation pool (1) and the reaction pool (2), the second water pump (10) is fixedly connected between the reaction pool (2) and the PH regulation pool (3), the water inlet end and the water outlet end of the first water pump (9) are respectively and fixedly connected with a first water inlet pipe and a first water outlet pipe, the bottoms of the first water inlet pipe and the first water outlet pipe are respectively located in the homogenization regulation pool (1) and the reaction pool (2), the water inlet end and the water outlet end of the second water pump (10) are respectively and fixedly connected with a second water inlet pipe and a second water outlet pipe, and the bottoms of the second water inlet pipe and the second water outlet pipe are respectively located in the reaction pool (2) and the PH regulation pool (3).
3. The ozone system for degrading COD (chemical oxygen demand) according to claim 1, wherein the stirring mechanism comprises a fixed frame (13), the fixed frame (13) is fixedly connected to the upper surface of the homogenizing adjusting tank (1), a motor (14) is fixedly connected to the upper surface of the fixed frame (13), one end of an output shaft of the motor (14) penetrates through the upper surface of the fixed frame (13) and is fixedly connected with a movable shaft (15), and a plurality of stirring blades (16) are fixedly connected to the outer circumferential wall of the movable shaft (15).
4. The ozone system for degrading COD according to claim 1, wherein the catalytic oxidation mechanism comprises a fixed seat (11), the fixed seat (11) is fixedly connected to the inner bottom wall of the reaction tank (2), one of the gas outlet ends of the shunt tubes (8) passes through one side of the fixed seat (11), and the inner bottom wall of the fixed seat (11) is provided with a solid catalyst (17).
5. The ozone system for degrading COD in claim 4, wherein the outer wall of one side of the fixed seat (11) is slidably penetrated with a limit plate (18), and two springs (19) are fixedly connected between the limit plate (18) and the inner wall of one side of the fixed seat (11).
6. The ozone system for degrading COD according to claim 1, wherein a storage cabinet (12) is arranged on one side of the coagulating sedimentation tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222916863.6U CN218879642U (en) | 2022-11-03 | 2022-11-03 | Ozone system for degrading COD |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222916863.6U CN218879642U (en) | 2022-11-03 | 2022-11-03 | Ozone system for degrading COD |
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| Publication Number | Publication Date |
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| CN218879642U true CN218879642U (en) | 2023-04-18 |
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| CN202222916863.6U Active CN218879642U (en) | 2022-11-03 | 2022-11-03 | Ozone system for degrading COD |
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