CN113429014A - Method and equipment for treating industrial wastewater by multistage ozone catalytic oxidation - Google Patents
Method and equipment for treating industrial wastewater by multistage ozone catalytic oxidation Download PDFInfo
- Publication number
- CN113429014A CN113429014A CN202110654796.2A CN202110654796A CN113429014A CN 113429014 A CN113429014 A CN 113429014A CN 202110654796 A CN202110654796 A CN 202110654796A CN 113429014 A CN113429014 A CN 113429014A
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- Prior art keywords
- catalytic oxidation
- ozone catalytic
- industrial wastewater
- sewage
- tower
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
Abstract
The invention provides a method and equipment for treating industrial wastewater by multistage catalytic ozonation. The multistage ozone catalytic oxidation industrial wastewater treatment method comprises the following steps: s1: firstly, clarifying the sewage; s2: buffering the clarified sewage in the S1; s3: adding the sewage buffered in the S2 into an ozone reactor; s4: then putting the mixture into an ozone catalytic oxidation reaction tower for catalytic reaction; s5; finally, clear water is obtained and is discharged or recycled. The method and the equipment for treating the industrial wastewater by the multistage catalytic ozonation have the advantages of improving the sewage treatment effect, fully using ozone and conveniently disassembling and replacing the catalyst.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a method and equipment for treating industrial wastewater by multistage catalytic ozonation.
Background
Industrial waste water including industrial waste water, industrial sewage and cooling water refers to waste water and waste liquid produced in the industrial production process, which contains industrial production materials, intermediate products, byproducts lost along with water and pollutants produced in the production process.
However, when sewage treatment is performed by using the ozone catalytic reaction tower, since sewage entering the tower is not pretreated by other stages, the internal reaction of ozone and sewage is insufficient, so that the sewage treatment effect is reduced, and in the ozone catalytic process, if the catalyst needs to be replaced in the later stage, the catalyst needs to enter the reaction tower, and parts are disassembled step by step to the catalyst part for replacement, so that the replacement is inconvenient.
Therefore, there is a need to provide a new method and apparatus for treating industrial wastewater by multi-stage catalytic ozonation.
Disclosure of Invention
The invention aims to provide a multistage ozone catalytic oxidation industrial wastewater treatment method and equipment which can improve the sewage treatment effect, fully use ozone and conveniently replace a catalyst.
In order to solve the technical problem, the method for treating the industrial wastewater by the multistage catalytic ozonation comprises the following steps:
s1: firstly, clarifying the sewage;
s2: buffering the clarified sewage in the S1;
s3: adding the sewage buffered in the S2 into an ozone reactor;
s4: then putting the mixture into an ozone catalytic oxidation reaction tower for catalytic reaction;
s5; finally, clear water is obtained and is discharged or recycled.
Preferably, the water-insoluble precipitate is obtained in S1 and collected.
Preferably, a flocculating agent is added in the process of clarifying the sewage in the S1, and certain amounts of acid and alkali are added in the process of buffering the sewage in the S2.
The invention also provides multistage ozone catalytic oxidation industrial wastewater treatment equipment which comprises a clarification tank, a buffer tank, an ozone reactor and an ozone catalytic oxidation reaction tower, wherein the clarification tank, the buffer tank, the ozone reactor and the ozone catalytic oxidation reaction tower are sequentially connected.
Preferably, the ozone catalytic oxidation reaction tower comprises a tower body and a tower cover, the tower body and the tower cover are fixedly connected through bolts, a sewage pump and a water pipe are fixedly mounted on the tower body, one end of the water pipe extends into the tower body, the other end of the water pipe is fixedly connected with a water outlet of the sewage pump, a gas distribution pipe is arranged in the tower body, one end of the gas distribution pipe extends out of the tower body, a square box positioned in the tower body is fixedly mounted on the gas distribution pipe, the square box is communicated with the gas distribution pipe, a plurality of gas distribution branch pipes are fixedly mounted on the square box, a frame body is slidably mounted in the square box, a hollow plate is fixedly mounted on the inner wall of the frame body, a catalyst is filled in the hollow plate, a connecting plate is fixedly mounted on one side of the frame body, a tooth plate is fixedly mounted on the connecting plate, and a rotating shaft is mounted in the tower body, the outer wall of the tower body is fixedly provided with a motor, an output shaft of the motor is fixedly connected with one end of the rotating shaft, the rotating shaft is fixedly sleeved with a gear, and the gear is meshed with the tooth plates.
Preferably, circular slots have been all seted up on the both sides inner wall of framework, the top fixed mounting of hollow slab has two solid fixed connection boards, slidable mounting has the inserted bar on the solid fixed connection board, two the one end that the inserted bar was kept away from each other all extends to corresponding in the circular slot, the inserted bar with circular slot looks adaptation, two the equal fixed mounting in one end that the inserted bar is close to each other has the arm-tie, two all the cover is equipped with reset spring on the inserted bar, two the one end that reset spring is close to each other respectively with two arm-tie fixed connection, two the one end that reset spring was kept away from each other respectively with two rigid connection board fixed connection.
Preferably, a rectangular groove is formed in one side of the square box, the frame body is located in the rectangular groove and is in contact with the inner wall of the rectangular groove, and the connecting plate is matched with the rectangular groove.
Preferably, the square box is close to fixedly mounted with a reinforcing rod on the outer wall of one side of the gear, the reinforcing rod runs through the connecting plate and is in sliding connection with the connecting plate, and the reinforcing rod is close to one end fixed mounting of the gear is provided with a baffle.
Preferably, the inner walls of the two sides of the frame body are fixedly provided with supporting blocks, the tops of the supporting blocks are in contact with the hollow plate, the inner wall of the top and the inner wall of the bottom of the hollow plate are provided with a plurality of air holes, and the top of the pulling plate is fixedly provided with a holding ring.
Compared with the related technology, the method and the equipment for treating the industrial wastewater by the multistage catalytic ozonation have the following beneficial effects:
the invention provides a multistage ozone catalytic oxidation industrial wastewater treatment method and equipment, which are characterized in that sewage is clarified and buffered, so that the content of impurities insoluble in water in the sewage is reduced, and then the final sewage treatment work is carried out by an ozone catalytic oxidation reaction tower, so that the sewage treatment effect can be improved to the maximum extent, and the multistage treatment of the sewage is performed;
and only need through starter motor, alright take out the square box with the hollow slab, the pulling direction of two rings is held to the rethread, alright easily realize tearing open of catalyst and trade, when making things convenient for people to operate, has improved sewage treatment efficiency again.
Drawings
FIG. 1 is a flow chart of a multistage ozone catalytic oxidation industrial wastewater treatment method provided by the invention;
FIG. 2 is a schematic structural diagram of a multistage ozone catalytic oxidation industrial wastewater treatment device provided by the invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an enlarged view of the portion B shown in fig. 3.
Reference numbers in the figures: 1. a tower body; 2. a tower cover; 3. a sewage pump; 4. a water pipe; 5. an air distribution pipe; 6. a square box; 7. a gas-passing branch pipe; 8. a frame body; 9. a hollow slab; 10. a catalyst; 11. a connecting plate; 12. a tooth plate; 13. a rotating shaft; 14. a motor; 15. a gear; 16. a circular groove; 17. fixing and connecting the plates; 18. inserting a rod; 19. a reset spring; 20. and (5) pulling the plate.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is a flow chart of a multi-stage ozone catalytic oxidation industrial wastewater treatment method according to the present invention; FIG. 2 is a schematic structural diagram of a multistage ozone catalytic oxidation industrial wastewater treatment device provided by the invention; FIG. 3 is an enlarged view of portion A of FIG. 2; fig. 4 is an enlarged view of the portion B shown in fig. 3. The method for treating industrial wastewater by multistage catalytic ozonation comprises the following steps:
s1: the sewage is clarified, fixed impurities which are insoluble in water in the sewage can be precipitated, and the precipitates can be collected and recycled;
s2: buffering the clarified sewage in the step S1, and buffering the clarified sewage so as to further reduce the content of solid impurities in the sewage, and adding a certain amount of acid and alkali to adjust the pH value of the sewage;
s3: adding the sewage buffered in the S2 into an ozone reactor, and removing a part of organic matters in the sewage through strong oxidizing property of ozone;
s4: then the reaction product is put into an ozone catalytic oxidation reaction tower for catalytic reaction, and the decomposition capacity of ozone can be improved by adding the ozone catalytic oxidation reaction tower, so that the ozone can be fully utilized, and the utilization rate of the ozone is improved;
s5; finally, clear water is obtained and is discharged or recycled.
In the step S1, the water-insoluble precipitate is obtained and collected, and the water-insoluble immobilized precipitate is collected, whereby the utilization rate of resources can be improved.
In the S1, a flocculating agent is added during sewage clarification treatment, in the S2, a certain amount of acid and alkali are added during buffer treatment of sewage, the buffer treatment can further reduce the content of fixed impurities in sewage, and after the certain amount of acid and alkali are added, the pH value of the sewage can be adjusted, so that the subsequent treatment process is facilitated.
The invention also provides multistage ozone catalytic oxidation industrial wastewater treatment equipment which comprises a clarification tank, a buffer tank, an ozone reactor and an ozone catalytic oxidation reaction tower, wherein the clarification tank, the buffer tank, the ozone reactor and the ozone catalytic oxidation reaction tower are sequentially connected.
The ozone catalytic oxidation reaction tower comprises a tower body 1 and a tower cover 2, the tower body 1 and the tower cover 2 are fixedly connected through bolts, a sewage pump 3 and a water pipe 4 are fixedly mounted on the tower body 1, one end of the water pipe 4 extends into the tower body 1, the other end of the water pipe 4 is fixedly connected with a water outlet of the sewage pump 3, a gas distribution pipe 5 is arranged in the tower body 1, one end of the gas distribution pipe 5 extends out of the tower body 1, a square box 6 positioned in the tower body 1 is fixedly mounted on the gas distribution pipe 5, the square box 6 is communicated with the gas distribution pipe 5, a plurality of gas distribution branch pipes 7 are fixedly mounted on the square box 6, a frame body 8 is slidably mounted in the square box 6, a hollow plate 9 is fixedly mounted on the inner wall of the frame body 8, a catalyst 10 is filled in the hollow plate 9, a connecting plate 11 is fixedly mounted on one side of the frame body 8, fixed mounting has tooth dental lamina 12 on the connecting plate 11, pivot 13 is installed to 1 internal rotation of tower body, fixed mounting has motor 14 on the outer wall of tower body 1, motor 14's output shaft with the one end fixed connection of pivot 13, the fixed cover is equipped with gear 15 in the pivot 13, gear 15 with tooth dental lamina 12 meshes mutually.
A rectangular groove is formed in one side of the square box 6, the frame body 8 is located in the rectangular groove and is in contact with the inner wall of the rectangular groove, and the connecting plate 11 is matched with the rectangular groove.
The square box 6 is close to fixed mounting has the stiffener on the one side outer wall of gear 15, the stiffener runs through connecting plate 11 and with connecting plate 11 sliding connection, the stiffener is close to the one end fixed mounting of gear 15 has the baffle.
Supporting blocks are fixedly mounted on the inner walls of the two sides of the frame body 8, the tops of the supporting blocks are in contact with the hollow plate 9, a plurality of air holes are formed in the inner wall of the top of the hollow plate 9 and the inner wall of the bottom of the hollow plate 9, and a holding ring is fixedly mounted at the top of the pulling plate 20.
When the hollow plate 9 and the catalyst 10 filled therein need to be replaced, only the motor 14 needs to be started in the forward direction, the output shaft of the motor 14 drives the rotating shaft 13 to rotate, and then the gear 15 can be driven to rotate, at this time, under the meshing transmission of the gear 15 and the tooth plate 12, the tooth plate 12 drives the connecting plate 11 and the frame body 8 to horizontally move under the sliding limit of the reinforcing rod, so that the frame body 8 is gradually pulled out from the rectangular groove until the connecting plate 11 contacts with the baffle plate on the reinforcing rod, the motor 14 is closed, at this time, the whole frame body 8 is completely pulled out from the square box 6, then two holding rings are held by hands and pulled in the direction approaching each other, until the inserted bar 18 is pulled out of the circular groove 16, at this time, the reset spring 19 is also in a compressed state, then the hollow plate 9 is pulled out through the two holding rings, the replacement work can be performed, and after the replacement is finished, the two holding rings, then, the hollow plate 9 is placed into the frame body 8 and placed in the two supporting blocks, then the holding ring is loosened, at the moment, the two inserting rods 18 are automatically inserted into the corresponding circular grooves 16 under the action of the reset spring 19 in a compressed state, then the motor 14 is started reversely, the frame body 8 is inserted into the rectangular grooves, the connecting plate 11 is made to contact the square box 6 to seal the rectangular grooves, and the dismounting and replacing work of the hollow plate 9 and the catalyst 10 inside the hollow plate is completed.
Compared with the related technology, the method and the equipment for treating the industrial wastewater by the multistage catalytic ozonation have the following beneficial effects:
the invention provides a multistage ozone catalytic oxidation industrial wastewater treatment method and equipment, which are characterized in that sewage is clarified and buffered, so that the content of impurities insoluble in water in the sewage is reduced, and then the final sewage treatment work is carried out by an ozone catalytic oxidation reaction tower, so that the sewage treatment effect can be improved to the maximum extent, and the multistage treatment of the sewage is performed;
and only need through starter motor 14, alright take out square box 6 with hollow slab 9, rethread two pulling directions of holding the ring, alright easily realize tearing open changing of catalyst 10, when making things convenient for people to operate, improved sewage treatment efficiency again.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A multistage ozone catalytic oxidation industrial wastewater treatment method is characterized by comprising the following steps:
s1: firstly, clarifying the sewage;
s2: buffering the clarified sewage in the S1;
s3: adding the sewage buffered in the S2 into an ozone reactor;
s4: then putting the mixture into an ozone catalytic oxidation reaction tower for catalytic reaction;
s5; finally, clear water is obtained and is discharged or recycled.
2. The multi-stage ozone catalytic oxidation industrial wastewater treatment method as claimed in claim 1, wherein the water-insoluble precipitate can be obtained and collected in the S1.
3. The multi-stage ozone catalytic oxidation industrial wastewater treatment method as claimed in claim 1, wherein a flocculating agent is added in the clarification treatment of the wastewater in the S1, and a certain amount of acid and alkali are added in the buffering treatment of the wastewater in the S2.
4. The utility model provides a multistage ozone catalytic oxidation industrial waste water treatment equipment which characterized in that, includes clarification tank, buffer tank, ozone reactor and ozone catalytic oxidation reaction tower, clarification tank, buffer tank, ozone reactor and ozone catalytic oxidation reaction tower connect gradually.
5. The multi-stage ozone catalytic oxidation industrial wastewater treatment device according to claim 4, wherein the ozone catalytic oxidation reaction tower comprises a tower body and a tower cover, the tower body and the tower cover are fixedly connected through bolts, a sewage pump and a water pipe are fixedly mounted on the tower body, one end of the water pipe extends into the tower body, the other end of the water pipe is fixedly connected with a water outlet of the sewage pump, a gas distribution pipe is arranged in the tower body, one end of the gas distribution pipe extends out of the tower body, a square box positioned in the tower body is fixedly mounted on the gas distribution pipe, the square box is communicated with the gas distribution pipe, a plurality of gas distribution branch pipes are fixedly mounted on the square box, a frame body is slidably mounted in the square box, a hollow plate is fixedly mounted on the inner wall of the frame body, a catalyst is filled in the hollow plate, and a connecting plate is fixedly mounted on one side of the frame body, the utility model discloses a tower body, including connecting plate, tower body, fixed mounting has the tooth dental lamina on the connecting plate, the pivot is installed to the tower body internal rotation, fixed mounting has the motor on the outer wall of tower body, the output shaft of motor with the one end fixed connection of pivot, fixed cover is equipped with the gear in the pivot, the gear with tooth dental lamina meshes mutually.
6. The multistage ozone catalytic oxidation industrial wastewater treatment equipment according to claim 5, wherein circular grooves are formed in inner walls of two sides of the frame body, two fixing plates are fixedly mounted at the top of the hollow plate, inserting rods are slidably mounted on the fixing plates, ends, away from each other, of the two inserting rods extend into the corresponding circular grooves, the inserting rods are matched with the circular grooves, pulling plates are fixedly mounted at ends, close to each other, of the two inserting rods, resetting springs are sleeved on the two inserting rods, ends, close to each other, of the two resetting springs are fixedly connected with the two pulling plates respectively, and ends, away from each other, of the two resetting springs are fixedly connected with the two fixing plates respectively.
7. The multistage ozone catalytic oxidation industrial wastewater treatment device according to claim 5, wherein a rectangular groove is formed in one side of the square box, the frame body is located in the rectangular groove and is in contact with the inner wall of the rectangular groove, and the connecting plate is matched with the rectangular groove.
8. The multistage ozone catalytic oxidation industrial wastewater treatment device according to claim 5, wherein a reinforcing rod is fixedly installed on the outer wall of one side, close to the gear, of the square box, the reinforcing rod penetrates through the connecting plate and is in sliding connection with the connecting plate, and a baffle is fixedly installed at one end, close to the gear, of the reinforcing rod.
9. The multi-stage ozone catalytic oxidation industrial wastewater treatment equipment according to claim 6, wherein support blocks are fixedly mounted on inner walls of two sides of the frame body, tops of the support blocks are in contact with the hollow plate, a plurality of air holes are formed in the inner walls of the top and the bottom of the hollow plate, and a holding ring is fixedly mounted on the top of the pulling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110654796.2A CN113429014A (en) | 2021-06-12 | 2021-06-12 | Method and equipment for treating industrial wastewater by multistage ozone catalytic oxidation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110654796.2A CN113429014A (en) | 2021-06-12 | 2021-06-12 | Method and equipment for treating industrial wastewater by multistage ozone catalytic oxidation |
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| CN113429014A true CN113429014A (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110654796.2A Pending CN113429014A (en) | 2021-06-12 | 2021-06-12 | Method and equipment for treating industrial wastewater by multistage ozone catalytic oxidation |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03135418A (en) * | 1989-10-19 | 1991-06-10 | Toshiba Corp | Exhaust ozone treatment device |
| CN107628727A (en) * | 2017-10-10 | 2018-01-26 | 东华工程科技股份有限公司 | A kind of system and group technology of advanced treating coal chemical industrial waste water persistent organic pollutants |
| CN208849399U (en) * | 2018-08-28 | 2019-05-10 | 安徽宏远机械制造有限公司 | A kind of novel folding junction box structure |
| CN112495129A (en) * | 2020-10-28 | 2021-03-16 | 浙江千尧环境工程有限公司 | Air pollution administers exhaust gas purification system |
-
2021
- 2021-06-12 CN CN202110654796.2A patent/CN113429014A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03135418A (en) * | 1989-10-19 | 1991-06-10 | Toshiba Corp | Exhaust ozone treatment device |
| CN107628727A (en) * | 2017-10-10 | 2018-01-26 | 东华工程科技股份有限公司 | A kind of system and group technology of advanced treating coal chemical industrial waste water persistent organic pollutants |
| CN208849399U (en) * | 2018-08-28 | 2019-05-10 | 安徽宏远机械制造有限公司 | A kind of novel folding junction box structure |
| CN112495129A (en) * | 2020-10-28 | 2021-03-16 | 浙江千尧环境工程有限公司 | Air pollution administers exhaust gas purification system |
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Application publication date: 20210924 |