CN215855313U - Ozone oxidation effluent treatment plant - Google Patents
Ozone oxidation effluent treatment plant Download PDFInfo
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- CN215855313U CN215855313U CN202121908025.3U CN202121908025U CN215855313U CN 215855313 U CN215855313 U CN 215855313U CN 202121908025 U CN202121908025 U CN 202121908025U CN 215855313 U CN215855313 U CN 215855313U
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Abstract
The utility model relates to an ozone oxidation wastewater treatment device, which comprises a tank body and an ozone recycling unit, wherein an ozone catalyst packing layer, an ozone inlet pipe and a water inlet pipeline are sequentially connected in the tank body from top to bottom, a water outlet is formed in the upper part of the tank body and is positioned above the ozone catalyst packing layer, an ozone aeration head is arranged on the ozone inlet pipe, the ozone recycling unit comprises an ozone recycling pipe and a circulating air inlet, the circulating air inlet is formed in the water inlet pipeline, one end of the ozone recycling pipe is communicated with the circulating air inlet, and the other end of the ozone recycling pipe is communicated with the top of the tank body. The utility model can effectively improve the utilization rate of ozone.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to an ozone oxidation wastewater treatment device.
Background
When wastewater such as industrial wastewater and domestic wastewater which are difficult to degrade is treated, an ozone oxidation process is generally adopted at the tail end of the wastewater treatment process to carry out advanced oxidation treatment on organic matters which are difficult to degrade in the wastewater, so that indexes of BOD (Biochemical Oxygen Demand) and COD (chemical Oxygen Demand) of the treated water reach the water quality discharge standard. The ozone oxidation process is widely applied by the advantages of strong oxidation capacity, high reaction speed and the like, but the existing ozone oxidation device always has the problem of low ozone utilization rate, so that the wastewater treatment efficiency is greatly reduced, the ozone waste is also caused, and the energy consumption and the production cost are increased.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the defect of low ozone utilization rate of the ozone oxidation device in the prior art.
In order to solve the technical problems, the utility model provides an ozone oxidation wastewater treatment device which comprises a tank body and an ozone recycling unit, wherein an ozone catalyst packing layer, an ozone inlet pipe and a water inlet pipeline are sequentially connected in the tank body from top to bottom, a water outlet is formed in the upper portion of the tank body and is positioned above the ozone catalyst packing layer, an ozone aeration head is arranged on the ozone inlet pipe, the ozone recycling unit comprises an ozone recycling pipe and a circulating air inlet, the circulating air inlet is formed in the water inlet pipeline, one end of the ozone recycling pipe is communicated with the circulating air inlet, and the other end of the ozone recycling pipe is communicated with the top of the tank body.
In an embodiment of the utility model, the water inlet pipeline comprises a main water inlet pipe, the main water inlet pipe is connected with a plurality of branch water inlet pipes, the main water inlet pipe and the branch water inlet pipes are respectively provided with a plurality of wastewater outlets positioned in the tank body, the main water inlet pipe is provided with a wastewater inlet, and the circulating air inlet is arranged on the main water inlet pipe.
In one embodiment of the present invention, the ozone inlet pipe is provided with a plurality of ozone aeration heads, and the plurality of ozone aeration heads are distributed in an array.
In one embodiment of the utility model, the inside of the tank body is further connected with an effluent weir, the effluent weir is positioned above the ozone catalyst packing layer, and the effluent weir is connected with the water outlet.
In one embodiment of the utility model, the effluent weir comprises a transverse weir trough and a longitudinal weir trough, the transverse weir trough and the longitudinal weir trough being in communication.
In one embodiment of the utility model, a U-shaped water seal pipe is connected to the water outlet.
In one embodiment of the utility model, the air inlet end of the air inlet pipe is connected with the ozone generator through an inverted U-shaped pipe, and the top of the inverted U-shaped pipe is higher than the water outlet.
In one embodiment of the utility model, the tank body is also connected with a diversion filler layer, the diversion filler layer is positioned above the ozone catalyst filler layer, and the diversion filler layer is filled with anti-oxidation small balls.
In one embodiment of the utility model, a first grid support, a second grid support and a third grid support are connected to the interior of the tank body from bottom to top, an ozone catalyst is filled between the first grid support and the second grid support to form the ozone catalyst filler layer, and anti-oxidation small balls are filled between the second grid support and the third grid support to form the diversion filler layer.
In one embodiment of the utility model, the top of the tank body is also connected with a tail gas destruction device through a tail gas discharge pipe.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the ozone oxidation wastewater treatment device can effectively improve the ozone utilization rate, can improve the ozone oxidation efficiency to more than 50% compared with the existing ozone oxidation device, improves the wastewater treatment efficiency, and can save and reduce the unit energy consumption by more than 50% under the condition of the same water quality, thereby effectively reducing the wastewater treatment cost.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.
FIG. 1 is a schematic view showing the construction of an ozone oxidation wastewater treatment apparatus of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken at C-C in FIG. 1
The specification reference numbers indicate: 1. an ozone generator; 2. a tank body; 21. a water outlet; 3. an ozone catalyst packing layer; 4. an ozone inlet pipe; 41. an ozone aeration head; 42. a main air inlet pipe; 43. a first intake branch pipe; 44. a second intake branch pipe; 5. a water inlet pipe; 51. a circulating air intake; 52. a main water inlet pipe; 53. a water inlet branch pipe; 54. a waste water outlet; 55. a wastewater inlet; 6. an ozone recycling pipe; 61. an ozone recycling gas collecting pipe; 62. an ozone recycling air inlet pipe; 7. an ozone collecting device; 8. an effluent weir; 81. a transverse weir trough; 82. a longitudinal weir trough; 9. a U-shaped water seal pipe; 10. an inverted U-shaped tube; 11. a diversion packing layer; 12. a first grid support; 13. a second grid support; 14. a third grid support; 15. a tail gas discharge pipe; 16. a tail gas destruction device; 17. a breather valve.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1, the utility model discloses an ozone oxidation wastewater treatment device, which comprises a tank body 2 and an ozone recycling unit, wherein an ozone catalyst packing layer 3, an ozone inlet pipe 4 and a water inlet pipeline 5 are sequentially connected in the tank body 2 from top to bottom, a water outlet 21 is arranged at the upper part of the tank body 2, the water outlet 21 is positioned above the ozone catalyst packing layer 3, and an ozone aeration head 41 is arranged on the ozone inlet pipe 4;
the ozone recycling unit comprises an ozone recycling pipe 6 and a circulation air inlet 51, the circulation air inlet 51 is arranged on the water inlet pipeline 5, one end of the ozone recycling pipe 6 is communicated with the circulation air inlet 51, and the other end of the ozone recycling pipe is communicated with the top of the tank body 2.
The wastewater enters the tank body 2 from the water inlet pipeline 5, ozone enters the ozone inlet pipe 4, and is refined into tiny bubbles through the ozone aeration head 41 and then discharged into the tank body 2, the ozone bubbles and the wastewater entering the tank body 2 are fully mixed and dissolved in the wastewater, along with the rise of the liquid level in the tank body 2, the wastewater dissolved with the ozone enters the ozone catalyst packing layer 3, the ozone catalyst packing layer 3 can catalyze the self-decomposition of the dissolved ozone in the wastewater to generate hydroxyl radicals with strong oxidizing property, so that organic matters in the wastewater are oxidized and decomposed, the water quality is purified, and the purified water is finally discharged through the water outlet 21 above; the residual ozone in the tank body 2 enters the circulating air inlet 51 through the ozone recycling pipe 6 at the top of the tank body 2, and then enters the water inlet pipeline 5 from the circulating air inlet 51 to be reused.
Above-mentioned structure is through linking to each other unnecessary ozone through ozone retrieval and utilization pipe 6 and inlet channel 5 that does not utilize, can make unnecessary ozone and intake water mix and can recycle to the utilization efficiency of ozone has been improved.
In one embodiment, the ozone recycling pipe 6 comprises an ozone recycling gas collecting pipe 61 and an ozone recycling gas inlet pipe 62, one end of the ozone recycling gas collecting pipe 61 is communicated with the top of the tank body 2, the other end of the ozone recycling gas collecting pipe is connected with the gas inlet end of the ozone collecting device 7, and the gas outlet end of the ozone collecting device 7 is communicated with the circulating gas inlet 51 through the ozone recycling gas inlet pipe 62. The ozone collecting device 7 may be a gas pump.
In one embodiment, referring to fig. 2, the water inlet pipe 5 includes a main water inlet pipe 52, a plurality of branch water inlet pipes 53 are connected to the main water inlet pipe 52, the main water inlet pipe 52 is communicated with the branch water inlet pipes 53, a plurality of waste water outlets 54 located inside the tank 2 are respectively arranged on the main water inlet pipe 52 and the branch water inlet pipes 53, a waste water inlet 55 is arranged on the main water inlet pipe 52, and the circulation air inlet 51 is arranged on the main water inlet pipe 52. The above-mentioned structure is through a plurality of branch pipes 53 and a plurality of waste water outlet 54's of intaking setting for waste water gets into water through waste water inlet 55 and is responsible for 52, and shunt to each branch pipe 53 of intaking, and flow out by the waste water outlet 54 of a plurality of different positions, can reach the effect of uniform water distribution, make ozone can with intake fully contact, improve ozone's utilization efficiency.
In one embodiment, referring to fig. 3, a plurality of ozone aeration heads 41 are arranged on the ozone inlet pipe 4, and the plurality of ozone aeration heads 41 are distributed in an array manner, for example, they may be distributed in a rectangular array or a circular array manner, so that the ozone aeration heads 41 can be uniformly arranged in the tank 2, the aeration range is increased, the uniform discharge effect of ozone bubbles is ensured, and further ozone can be effectively and fully in high-efficiency contact with the wastewater entering from the bottom, thereby improving the ozone utilization efficiency.
Further, the ozone inlet pipe 4 comprises an inlet main pipe 42, a first inlet branch pipe 43 is connected to the inlet main pipe 42, the first inlet branch pipe 43 is annular, a second inlet branch pipe 44 is connected to the inside of the first inlet branch pipe 43, and a plurality of ozone aeration heads 41 are arranged on the first inlet branch pipe 43 and the second inlet branch pipe 44. Ozone is shunted to the first air inlet branch pipe 43 and the second air inlet branch pipe 44 after entering the air inlet main pipe 42 through wastewater, and flows out after being aerated by the ozone aeration heads 41 at a plurality of different positions, and the structure is more beneficial to uniformly discharging ozone bubbles.
In one embodiment, the interior of the tank 2 is further connected with a water outlet weir 8, the water outlet weir 8 is positioned above the ozone catalyst packing layer 3, and the water outlet weir 8 is connected with the water outlet 21. The treated sewage flows through the effluent weir 8 and is discharged from the water outlet 21. The arrangement of the effluent weir 8 ensures that the treated wastewater can not form turbulent flow at the water outlet 21 part when being discharged, thereby improving the effluent stability.
In one embodiment, referring to fig. 4, the effluent weir 8 comprises a transverse weir notch 81 and a longitudinal weir notch 82, and the transverse weir notch 81 and the longitudinal weir notch 82 are communicated with each other to better ensure the stability of effluent.
In one embodiment, the water outlet 21 is connected with the U-shaped water sealing pipe 9, and after water flows into the U-shaped water sealing pipe 9 from the water outlet 21, a section of water column can be always stored in the U-shaped water sealing pipe 9, so that the water sealing effect on ozone at the water outlet 21 is achieved, and the ozone in the tank body 2 is prevented from escaping from the water outlet 21.
In one embodiment, the air inlet end of the air inlet pipe is connected with the ozone generator 1 through an inverted U-shaped pipe 10, and the top of the inverted U-shaped pipe 10 is higher than the height of the water outlet 21 so as to prevent water in the tank body 2 from flowing backwards into the ozone generator 1 during shutdown.
In one embodiment, a diversion filler layer 11 is further connected in the tank body 2, the diversion filler layer 11 is positioned above the ozone catalyst filler layer 3, and the diversion filler layer 11 is filled with antioxidant pellets. Above-mentioned water conservancy diversion packing layer 11 can the contact of equilibrium water and ozone for water and ozone can carry out better contact reaction, improve ozone oxidation efficiency.
In one embodiment, a first grid support 12, a second grid support 13 and a third grid support 14 are connected to the inside of the tank 2 from bottom to top, an ozone catalyst is filled between the first grid support 12 and the second grid support 13 to form an ozone catalyst packing layer 3, and anti-oxidation pellets are filled between the second grid support 13 and the third grid support 14 to form a diversion packing layer 11. Above-mentioned structure adopts the layering filling mode, compares in the mode of laying in bags, has better catalysis and water conservancy diversion effect, and more does benefit to overhaul the change.
The ozone catalyst may be a noble metal catalyst.
Further, the first grid support 21, the second grid support 13 and the third grid support 14 are all provided with a microporous steel wire mesh.
In one embodiment, the top of the tank body 2 is further connected with a tail gas destruction device 16 through a tail gas discharge pipe 15, so as to purify the useless tail gas discharged after the reaction in the tank body 2, and discharge the useless tail gas into the air after reaching the discharge standard. The time or the pressure of the tank body 2 can be set to a certain pressure value, and then the tail gas discharge pipe 15 is opened to carry out tail gas treatment.
In one embodiment, the top of the tank 2 is further connected with a breather valve to adjust the pressure of the tank 2 and ensure the safety of the tank 2.
The ozone oxidation effluent treatment plant of this embodiment can effectively promote ozone utilization ratio, compares in current ozone oxidation device, can improve ozone oxidation efficiency to more than 50%, has improved waste water treatment efficiency, and under the same quality of water condition, can sparingly reduce unit energy consumption more than 50% to effectively reduced waste water treatment's cost.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.
Claims (10)
1. An ozone oxidation effluent treatment plant which characterized in that: including a jar body and ozone retrieval and utilization unit, jar internal portion from last to having connected gradually ozone catalyst packing layer, ozone intake pipe and inlet channel down, jar body upper portion is provided with the delivery port, the delivery port is located the top of ozone catalyst packing layer, be provided with ozone aeration head in the ozone intake pipe, ozone retrieval and utilization unit includes ozone retrieval and utilization pipe and circulation air inlet, the setting of circulation air inlet is in on the inlet channel, the one end of ozone retrieval and utilization pipe with the circulation air inlet is linked together, the other end with jar body top is linked together.
2. The ozone oxidation wastewater treatment apparatus according to claim 1, characterized in that: the inlet channel is responsible for including intaking, it is connected with a plurality of branch pipes of intaking to intake to be responsible for, intake to be responsible for and intake all to be provided with a plurality of waste water exports that are located jar internal portion on the branch pipe, it is provided with the waste water import to intake to be responsible for, the circulation air inlet sets up it is responsible for to intake.
3. The ozone oxidation wastewater treatment apparatus according to claim 1, characterized in that: the ozone air inlet pipe is provided with a plurality of ozone aeration heads which are distributed in an array manner.
4. The ozone oxidation wastewater treatment apparatus according to claim 1, characterized in that: the inside of the tank body is also connected with a water outlet weir, the water outlet weir is positioned above the ozone catalyst packing layer, and the water outlet weir is connected with the water outlet.
5. The ozone oxidation wastewater treatment apparatus according to claim 4, characterized in that: the water outlet weir comprises a transverse weir groove and a longitudinal weir groove, and the transverse weir groove is communicated with the longitudinal weir groove.
6. The ozone oxidation wastewater treatment apparatus according to claim 1, characterized in that: and the water outlet is connected with a U-shaped water seal pipe.
7. The ozone oxidation wastewater treatment apparatus according to claim 1, characterized in that: the air inlet end of the air inlet pipe is connected with the ozone generator through an inverted U-shaped pipe, and the top of the inverted U-shaped pipe is higher than the water outlet.
8. The ozone oxidation wastewater treatment apparatus according to claim 1, characterized in that: the tank body is also connected with a diversion packing layer, the diversion packing layer is positioned above the ozone catalyst packing layer, and the diversion packing layer is internally filled with anti-oxidation pellets.
9. The ozone oxidation wastewater treatment apparatus according to claim 8, characterized in that: the ozone generator comprises a tank body, and is characterized in that a first grid support, a second grid support and a third grid support are connected to the inner part of the tank body from bottom to top, an ozone catalyst is filled between the first grid support and the second grid support to form an ozone catalyst filling layer, and anti-oxidation small balls are filled between the second grid support and the third grid support to form a flow guide filling layer.
10. The ozone oxidation wastewater treatment apparatus according to claim 1, characterized in that: the top of the tank body is also connected with a tail gas destruction device through a tail gas discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121908025.3U CN215855313U (en) | 2021-08-13 | 2021-08-13 | Ozone oxidation effluent treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121908025.3U CN215855313U (en) | 2021-08-13 | 2021-08-13 | Ozone oxidation effluent treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215855313U true CN215855313U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121908025.3U Active CN215855313U (en) | 2021-08-13 | 2021-08-13 | Ozone oxidation effluent treatment plant |
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| Country | Link |
|---|---|
| CN (1) | CN215855313U (en) |
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2021
- 2021-08-13 CN CN202121908025.3U patent/CN215855313U/en active Active
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