CN211226519U - Integrated ozone catalytic oxidation tower - Google Patents
Integrated ozone catalytic oxidation tower Download PDFInfo
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- CN211226519U CN211226519U CN201921862925.1U CN201921862925U CN211226519U CN 211226519 U CN211226519 U CN 211226519U CN 201921862925 U CN201921862925 U CN 201921862925U CN 211226519 U CN211226519 U CN 211226519U
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Abstract
The utility model belongs to the technical field of waste water treatment, in particular to an integrated ozone catalytic oxidation tower. The oxidation tower comprises a tower body, a spiral pipe arranged in the tower body and two catalyst blocking nets arranged in the tower body at intervals along the height direction of the tower body; the two catalyst blocking nets divide the inner cavity of the tower body into a rotating bed reaction area, a fixed bed reaction area and a water storage area from bottom to top, the fixed bed reaction area is used for filling granular oxidation catalysts, and the rotating bed reaction area is provided with a power assisting paddle and a rotating paddle which are coaxially linked; the spiral tubes are distributed in the rotating bed reaction zone, the fixed bed reaction zone and the water storage zone; the water inlet of the spiral pipe is communicated with an ozone inlet and a sewage inlet, the water inlet is positioned in the water storage area, and the water outlet of the spiral pipe is positioned in the rotating bed reaction area. The oxidation tower can reduce the requirement on power support, can reduce the operation and maintenance cost and simplify the operation, can greatly improve the biodegradability of the treated sewage, and reduces the difficulty of subsequent retreatment.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, in particular to an integrated ozone catalytic oxidation tower.
Background
The occupation of Chinese water resources by all people is very low, and with the increase of population, the development of regional economy, the acceleration of industrialization and urbanization, the demand for urban water is continuously increased, so that the problems of insufficient water resource supply and water shortage are increasingly serious. The industrial production requires a large amount of water and also produces a large amount of industrial sewage, which further aggravates the problem of water shortage if the industrial sewage cannot be effectively treated.
The industrial sewage generally has high Chemical Oxygen Demand (COD), deep color, large peculiar smell and poor biodegradability, so that the industrial sewage is difficult to treat, the biodegradability of the treated sewage is low, and the difficulty of subsequent retreatment is increased. And the existing water treatment equipment has a complex structure and needs various power supports, so that the operation and maintenance cost is increased and the operation is complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integration ozone catalytic oxidation tower aims at solving the lower problem of sewage biodegradability behind present sewage treatment device needs multiple power support, the processing, can reduce the demand that supports power and to the ozone volume to reduce operation and maintenance cost and simplified operation, can also promote the biodegradability of sewage after handling simultaneously by a wide margin, reduce the degree of difficulty of follow-up retreatment.
In order to achieve the above object, the utility model adopts the following technical scheme: the integrated ozone catalytic oxidation tower comprises a tower body, a spiral pipe arranged in the tower body, and two catalyst blocking nets arranged in the tower body at intervals along the height direction of the tower body; the two catalyst blocking nets divide the inner cavity of the tower body into a rotating bed reaction area, a fixed bed reaction area and a water storage area from bottom to top, the fixed bed reaction area is used for filling granular oxidation catalysts, and the rotating bed reaction area is provided with a power assisting paddle and a rotating paddle which are coaxially linked; the spiral pipes are distributed in the rotating bed reaction zone, the fixed bed reaction zone and the water storage zone; the water inlet of spiral pipe intercommunication has ozone entry and sewage entry, just the water inlet of spiral pipe is located in the water storage district, the delivery port of spiral pipe is located in the rotating bed reaction zone.
Furthermore, a rotating bed feeding port is arranged in the rotating bed reaction area; and the fixed bed reaction zone is provided with a fixed bed discharge opening.
Further, a sewage pump is connected to a water inlet of the spiral pipe.
Further, the spiral pipe is attached to the inner wall of the tower body.
Furthermore, the tower body is provided with an air outlet pipe communicated with the water storage area, and the air outlet pipe is connected with a reoxidation tank.
Furthermore, the water storage area is provided with a water guide pipe, a water inlet of the water guide pipe is arranged at the bottom of the water storage area, and a water outlet of the water guide pipe is communicated with a water inlet of the reoxidation tank.
Furthermore, a water distributor is arranged above the catalyst barrier net between the fixed bed reaction zone and the rotating bed reaction zone.
Furthermore, the bottom surface of the catalyst block net on the lower layer is provided with a support frame positioned in the rotating bed reaction area, and the boosting paddle and the rotating paddle are respectively and rotatably arranged on the support frame.
Further, the power-assisted paddle comprises a first rotating sleeve rotatably connected with the supporting frame and a plurality of first paddles respectively connected with the first rotating sleeve and distributed at intervals along the circumferential direction of the first rotating sleeve, the first paddles are obliquely arranged from bottom to top along the water outlet direction of the spiral pipe, and the included angle between the outer edge plane of each first paddle and the horizontal plane is 90-100 degrees; the front end part of the first paddle is of a semicircular shell structure, the outer diameter of the semicircular shell structure is 1.2-1.5 times of the inner diameter of the spiral pipe, and the semicircular shell structure protrudes towards the direction consistent with the water outlet direction of the spiral pipe.
Further, the rotating paddle comprises a second rotating sleeve and a plurality of second paddles which are connected with the second rotating sleeve respectively and distributed along the circumferential direction of the second rotating sleeve at intervals, the second paddles are arranged in an inclined mode from top to bottom along the water outlet direction of the spiral pipe, and the included angle between the outer edge plane of each second paddle and the horizontal plane is 30-45 degrees.
The utility model provides an integration ozone catalytic oxidation tower's beneficial effect lies in: in the integrated ozone catalytic oxidation tower provided by the utility model, ozone and sewage are fully contacted, mixed and reacted in a narrow space in the spiral pipe, so that the ozone with strong oxidizing property oxidizes organic matters in the sewage to primarily reduce COD of the sewage; a proper amount of catalyst can be placed in the rotating bed reaction area, sewage flowing out of the spiral pipe still has certain inertia force, can continuously rotate and flow and generate impact force to push the power-assisted paddle to rotate, and the power-assisted paddle drives the coaxially-linked rotating paddle to rotate to promote the sewage in the rotating bed reaction area to rotate along with the catalyst, so that three phases of ozone, sewage and the catalyst in the area are in collision contact, high-efficiency mass transfer and heat transfer are realized, an oxidation reaction is generated, organic matters in water are continuously oxidized, and COD is reduced again; the sewage enters a fixed bed reaction zone from a rotating bed reaction zone through a catalyst barrier, ozone in the sewage contacts with an oxidation catalyst in the fixed bed reaction zone from bottom to top, so that the ozone and organic matters in the sewage are continuously subjected to oxidation reaction, the COD (chemical oxygen demand) in the water is further reduced, and the treated water enters a water storage zone and can be used for next treatment, such as biochemical treatment. The catalyst barrier net between the fixed bed reaction zone and the rotating bed reaction zone can prevent the granular oxidation catalyst filled in the fixed bed reaction zone from falling into the rotating bed reaction zone and prevent the catalyst in the rotating bed reaction zone from entering the fixed bed reaction zone, and the catalyst barrier net between the fixed bed reaction zone and the water storage zone is used for preventing the granular oxidation catalyst filled in the fixed bed reaction zone from floating with water flow. The oxidation tower has small power requirement, low operation and maintenance cost and simple and convenient operation; ozone is used as an oxidant, and the ozone has high comprehensive utilization degree in the oxidation tower, so that the raw material cost and secondary pollution can be reduced; the biodegradability of the sewage treated by the oxidation tower is greatly improved, and the difficulty of subsequent retreatment is reduced.
Drawings
FIG. 1 is a schematic sectional view of an integrated ozone catalytic oxidation tower in an embodiment of the present invention;
fig. 2 is a schematic sectional view of a reoxidation tank in an embodiment of the present invention.
In the figure:
1. a tower body;
2. a spiral tube; 21. a water inlet; 211. an ozone inlet; 212. a sewage inlet; 22. a water outlet;
31. a lower catalyst block; 32. an upper catalyst block;
4. rotating the bed reaction zone;
41. a booster paddle; 411. a first rotating sleeve; 412. a first blade;
42. rotating the paddle; 421. a second rotating sleeve; 422. a second blade;
43. a support frame; 431. a strut; 432. fixing the rod;
44. rotary bed feeding port
5. A fixed bed reaction zone; 51. a fixed bed discharge opening;
6. a water storage area; 61. an air outlet pipe; 62, a first step of mixing; a water conduit;
7. a water distributor;
8. and (4) a reoxidation tank.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, the integrated ozone catalytic oxidation tower provided by the present invention will now be described. The oxidation tower comprises a tower body 1, a spiral pipe 2 arranged in the tower body 1, and two catalyst blocking nets (namely an upper catalyst blocking net 32 and a lower catalyst blocking net 31) arranged in the tower body 1 at intervals along the height direction of the tower body 1, wherein the inner cavity of the tower body 1 is divided into a rotating bed reaction zone 4, a fixed bed reaction zone 5 and a water storage zone 6 from bottom to top by the upper catalyst blocking net 31 and a next catalyst blocking net 32, the fixed bed reaction zone 5 is used for filling granular oxidation catalysts, and the rotating bed reaction zone 4 is provided with a power-assisted paddle 41 and a rotating paddle 42 which are coaxially linked; the spiral pipe 2 is distributed in the rotating bed reaction zone 4, the fixed bed reaction zone 5 and the water storage zone 6; the water inlet 21 of the spiral pipe 2 is communicated with an ozone inlet 211 and a sewage inlet 212, the water inlet 21 of the spiral pipe 2 is positioned in the water storage area 6, and the water outlet 22 of the spiral pipe 2 is positioned in the rotating bed reaction area 4.
The utility model provides an integration ozone catalytic oxidation tower's beneficial effect lies in: in the integrated ozone catalytic oxidation tower provided by the utility model, ozone and sewage are fully contacted, mixed and reacted in a narrow space in the spiral pipe 2, so that the ozone with strong oxidizing property oxidizes organic matters in the sewage to primarily reduce COD of the sewage; a proper amount of catalyst can be placed in the rotating bed reaction zone 4, sewage flowing out of the spiral pipe 2 still has certain inertia force, can continuously rotate and flow and generate impact force to push the booster paddle 41 to rotate, and the booster paddle 41 drives the coaxially linked rotating paddle 42 to rotate, so that the sewage in the rotating bed reaction zone 4 and the catalyst rotate along with the rotation of the sewage, ozone, the sewage and the catalyst in the zone are in collision contact, high-efficiency mass transfer and heat transfer are realized, an oxidation reaction is generated, organic matters in water are continuously oxidized, and COD is reduced again; the sewage enters a fixed bed reaction zone 5 from a rotating bed reaction zone 4 through a catalyst barrier 3, ozone in the sewage contacts with an oxidation catalyst in the fixed bed reaction zone 5 from bottom to top, so that the ozone and organic matters in the sewage are continuously subjected to oxidation reaction, the COD in the water is further reduced, and the treated water enters a water storage zone 6 and can be used for next treatment, such as biochemical treatment. The lower catalyst barrier 31 between the fixed bed reaction zone 5 and the swirling bed reaction zone 4 prevents the granular oxidation catalyst filled in the fixed bed reaction zone 5 from falling into the swirling bed reaction zone 4 and prevents the catalyst in the swirling bed reaction zone 4 from entering the fixed bed reaction zone 5, and the upper catalyst barrier 32 between the fixed bed reaction zone 5 and the water storage zone 6 prevents the granular oxidation catalyst filled in the fixed bed reaction zone 5 from drifting away with the water flow. The oxidation tower has small power requirement, low operation and maintenance cost and simple and convenient operation; ozone is used as an oxidant, and the ozone has high comprehensive utilization degree in the oxidation tower, so that the raw material cost and secondary pollution can be reduced; the biodegradability of the sewage treated by the oxidation tower is greatly improved, and the difficulty of subsequent retreatment is reduced.
As a specific implementation mode provided by the integrated ozone catalytic oxidation tower, the rotating bed reaction zone 4 is provided with a rotating bed feeding port 44, and the fixed bed reaction zone 5 is provided with a fixed bed discharging port 51, so that local maintenance and maintenance are convenient, and the catalyst is discharged.
As a specific implementation mode that the utility model discloses integration ozone catalytic oxidation tower provided, 1 top of tower body is equipped with the detachable upper cover through flange joint, and upper catalyst block 32 can be dismantled to be convenient for feed for fixed bed reaction zone 5.
As a specific embodiment provided by the integrated ozone catalytic oxidation tower of the utility model, the water inlet 21 of the spiral pipe 2 is connected with a sewage pump (not shown) for providing power for sewage flow. When the sewage pump is not used, the sewage source can also be arranged at a position higher than the oxidation tower, and sewage is promoted to flow by using the action of gravity.
As a specific implementation mode provided by the integrated ozone catalytic oxidation tower, the spiral pipe 2 is attached to the inner wall of the tower body 1, so that the sewage flowing out from the spiral pipe 2 has a faster flow speed, and a larger impact force is generated to the power-assisted paddle 41.
As a specific implementation mode provided by the integrated ozone catalytic oxidation tower, the tower body 1 is provided with an outlet pipe 61 communicated with the water storage area 6 for leading out the residual ozone and the gas generated by reaction, so as to collect the ozone or further utilize the ozone. The gas outlet pipe 61 is connected with a re-oxidation tank 8 (shown in fig. 2) for further utilizing the residual ozone after the ozone is discharged from the tower, so that the oxidation capacity of the residual ozone is fully exerted, and the utilization rate of the ozone is improved.
As a specific implementation mode provided by the integrated ozone catalytic oxidation tower of the utility model, the water storage area 6 is provided with the water guiding pipe 62, the water inlet of the water guiding pipe 62 is arranged at the bottom of the water storage area 6, the water outlet 22 of the water guiding pipe 62 is communicated with the water inlet of the reoxidation tank 8 (as shown in figure 2), so that the residual ozone is reacted to carry out reoxidation treatment on the water treated by the oxidation tower, and the water quality of the effluent is further ensured.
As a specific implementation mode that the utility model discloses integration ozone catalytic oxidation tower provided, the catalyst barrier 3 top between fixed bed reaction zone 5 and the rotating bed reaction zone 4 is equipped with water-locator 7, makes rotating bed reaction zone 4 get into the water evenly distributed of fixed bed reaction zone 5, avoids rotating bed reaction zone 4's rotatory rivers to produce the influence to the reaction in fixed bed reaction zone 5.
As a specific implementation mode provided by the integrated ozone catalytic oxidation tower of the utility model, the bottom surface of the catalyst blocking net 31 is provided with a support frame 43 positioned in the rotating bed reaction zone 4, and the power-assisted paddle 41 and the rotary paddle 42 are respectively arranged on the support frame 43 in a rotating way. As a specific embodiment provided by the integrated ozone catalytic oxidation tower of the present invention, the supporting frame 43 comprises three supporting rods 431 and a fixing rod 432, and the three supporting rods 431 can firmly fix the fixing rod 432 on the bottom surface of the catalyst block net 31.
As a specific embodiment provided by the integrated ozone catalytic oxidation tower of the present invention, the power-assisted paddle 41 includes a first rotary sleeve 411 rotatably connected to the supporting frame 43, and a plurality of first paddles 412 respectively connected to the first rotary sleeve 411 and circumferentially spaced apart from the first rotary sleeve 411, wherein the first paddles 412 are inclined from bottom to top along the water outlet direction of the spiral pipe 2, and the included angle between the outer edge plane of the first paddles 412 and the horizontal plane is 90-100 °; the front end of the first paddle 412 is of a semicircular shell structure, the outer diameter of the semicircular shell structure is 1.2-1.5 times of the inner diameter of the spiral pipe 2, the semicircular shell structure protrudes towards the direction consistent with the water outlet direction of the spiral pipe 2, the water outlet direction of the spiral pipe 2 is favorably and directly acted on the paddle surface of the power assisting paddle 41, the power loss is small, and the rotation resistance is small.
As a specific implementation manner provided by the utility model discloses an integration ozone catalytic oxidation tower, rotatory oar 42 includes second swivel sleeve 421, and a plurality of second oar piece 422 that are connected and follow the circumference interval distribution of second swivel sleeve 421 with second swivel sleeve 421 respectively, second oar piece 422 inclines from top to bottom along the play water direction of spiral pipe 2 and sets up, the outer fringe plane and the horizontal angle of second oar piece 422 are 30 ~ 45, both can promote 4 rivers of rotating bed reaction zone to flow, be unlikely to producing too big swirl again.
The utility model provides an operation flow that its technical problem adopted is:
A. the sewage to be treated is pumped into the water inlet 21 of the spiral pipe 2 through the sewage inlet 212 by the sewage pump, and simultaneously ozone is pumped into the water inlet 21 of the spiral pipe 2 through the ozone inlet 211, so that the ozone and the sewage are mixed in the spiral pipe 2.
B. After the sewage flows out from the spiral pipe 2, the impact force of the sewage promotes the rotation of the booster paddle 41, the booster paddle 41 drives the rotary paddle 42 to rotate, and the sewage and the catalyst in the rotating bed reaction area 4 rotate along with the rotation, so that the ozone, the sewage and the catalyst are subjected to efficient oxidation reaction in the rotating bed reaction area 4.
C. Along with the increase of the sewage in the rotating bed reaction zone 4, the sewage in the rotating bed reaction zone 4 enters the fixed bed reaction zone 5 through the lower catalyst barrier 31 and the water distributor 7, and the ozone and the organic matters in the sewage are continuously subjected to oxidation reaction in the fixed bed reaction zone 5 by virtue of the oxidation catalyst, so that the COD in the water is further reduced. The treated water enters the water storage area 6 through the upper catalyst barrier 32 between the fixed bed reaction area 5 and the water storage area 6 and is led out through the water guide pipe 62. And controlling the water conservancy residence time of the sewage in the whole tower equipment to be 0.5-2.5 h from the time when the sewage enters the tower to the time when the sewage exits the tower.
D. The treated water is guided into the reoxidation tank 8 by the water guide pipe 62 of the water storage area 6, and meanwhile, the residual ozone is also guided into the reoxidation tank 8 by the air outlet pipe 61 of the air outlet, so that the ozone and the residual oxide in the water are subjected to oxidation reaction again, the comprehensive utilization rate of the ozone is improved, and the quality of the discharged water is ensured.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An integration ozone catalytic oxidation tower which characterized in that: the device comprises a tower body, a spiral pipe arranged in the tower body and two catalyst blocking nets arranged in the tower body at intervals along the height direction of the tower body; the two catalyst blocking nets divide the inner cavity of the tower body into a rotating bed reaction area, a fixed bed reaction area and a water storage area from bottom to top, the fixed bed reaction area is used for filling granular oxidation catalysts, and the rotating bed reaction area is provided with a power assisting paddle and a rotating paddle which are coaxially linked; the spiral pipes are distributed in the rotating bed reaction zone, the fixed bed reaction zone and the water storage zone; the water inlet of spiral pipe intercommunication has ozone entry and sewage entry, just the water inlet of spiral pipe is located in the water storage district, the delivery port of spiral pipe is located in the rotating bed reaction zone.
2. The integrated catalytic ozonation tower of claim 1, wherein: the rotating bed reaction area is provided with a rotating bed feeding port; and the fixed bed reaction zone is provided with a fixed bed discharge opening.
3. The integrated catalytic ozonation tower of claim 1, wherein: the water inlet of the spiral pipe is connected with a sewage pump.
4. The integrated catalytic ozonation tower of claim 1, wherein: the spiral pipe is attached to the inner wall of the tower body.
5. The integrated catalytic ozonation tower of claim 1, wherein: the tower body is provided with an air outlet pipe communicated with the water storage area, and the air outlet pipe is connected with a reoxidation tank.
6. The integrated catalytic ozonation tower of claim 5, wherein: the water storage area is provided with a water guide pipe, the water inlet of the water guide pipe is arranged at the bottom of the water storage area, and the water outlet of the water guide pipe is communicated with the water inlet of the reoxidation tank.
7. The integrated catalytic ozonation tower of claim 1, wherein: and a water distributor is arranged above the catalyst barrier net between the fixed bed reaction zone and the rotating bed reaction zone.
8. The integrated catalytic ozonation tower of claim 1, wherein: the bottom surface of the catalyst block net of the lower layer is provided with a support frame positioned in the rotating bed reaction area, and the boosting paddle and the rotating paddle are respectively and rotatably arranged on the support frame.
9. The integrated catalytic ozonation tower of claim 8, wherein: the power-assisted paddle comprises a first rotating sleeve and a plurality of first paddles, wherein the first rotating sleeve is rotatably connected with the supporting frame, the first paddles are respectively connected with the first rotating sleeve and are distributed at intervals along the circumferential direction of the first rotating sleeve, the first paddles are obliquely arranged from bottom to top along the water outlet direction of the spiral pipe, and the included angle between the outer edge plane of each first paddle and the horizontal plane is 90-100 degrees; the front end part of the first paddle is of a semicircular shell structure, the outer diameter of the semicircular shell structure is 1.2-1.5 times of the inner diameter of the spiral pipe, and the semicircular shell structure protrudes towards the direction consistent with the water outlet direction of the spiral pipe.
10. The integrated catalytic ozonation tower of claim 8, wherein: the rotating paddle comprises a second rotating sleeve and a plurality of second paddles which are respectively connected with the second rotating sleeve and distributed along the circumferential direction of the second rotating sleeve at intervals, the second paddles are obliquely arranged from top to bottom along the water outlet direction of the spiral pipe, and the included angle between the outer edge plane of each second paddle and the horizontal plane is 30-45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862925.1U CN211226519U (en) | 2019-10-31 | 2019-10-31 | Integrated ozone catalytic oxidation tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862925.1U CN211226519U (en) | 2019-10-31 | 2019-10-31 | Integrated ozone catalytic oxidation tower |
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| CN211226519U true CN211226519U (en) | 2020-08-11 |
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| CN201921862925.1U Active CN211226519U (en) | 2019-10-31 | 2019-10-31 | Integrated ozone catalytic oxidation tower |
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| CN (1) | CN211226519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803757A (en) * | 2019-10-31 | 2020-02-18 | 新地环保技术有限公司 | Integrated ozone catalytic oxidation tower |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803757A (en) * | 2019-10-31 | 2020-02-18 | 新地环保技术有限公司 | Integrated ozone catalytic oxidation tower |
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Effective date of registration: 20201224 Address after: 101100 5-101, 10th floor, building 38, yard 1, jinghaiwu Road, Tongzhou District, Beijing Patentee after: BEIJING NOVEL ENVIRONMENTAL PROTECTION Co.,Ltd. Address before: 065001 New Austrian Science Park D Building, 118 Huaxiang Road, Langfang Development Zone, Hebei Province Patentee before: Xindi Environmental Protection Technology Co.,Ltd. |
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