CN212356696U - High-efficient ozone oxidation device - Google Patents
High-efficient ozone oxidation device Download PDFInfo
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- CN212356696U CN212356696U CN202020948367.7U CN202020948367U CN212356696U CN 212356696 U CN212356696 U CN 212356696U CN 202020948367 U CN202020948367 U CN 202020948367U CN 212356696 U CN212356696 U CN 212356696U
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Abstract
The utility model discloses a high-efficiency ozone oxidation device, which is characterized by comprising a U-shaped special pipe and an aeration pipe, wherein the U-shaped special pipe mainly comprises two inlet pipes and two outlet pipes which are connected with each other, and the height of the pipe orifice of each outlet pipe is higher than that of the pipe orifice of each inlet pipe; an end cover for sealing is arranged at an opening at the upper end of the U-shaped special pipe, and the end cover which is connected with the pipe orifice of the outlet pipe and the pipe orifice of the inlet pipe and is positioned between the inner side of the inlet pipe and the inner side of the outlet pipe is arranged into an inclined plane; the part of the end cover connected with the outer side of the outlet pipe extends outwards to form an inclined table surface; the aeration pipe comprises an aeration pipe I and an aeration pipe II, and the aeration pipe I and the aeration pipe II are respectively arranged in the inlet pipe and the outlet pipe; the sewage pipe extends into the inlet pipe after passing through the end cover. The utility model discloses a compressed air's air stripping effect, the time that extension ozone stops in waste water has strengthened ozone oxidation technology's efficiency.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to high-efficient ozone oxidation unit.
Background
The shortage of water resources becomes a limiting factor restricting further development of China, the resource recycling of sewage becomes a key for realizing sustainable development, the sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and the ozone oxidation technology is widely applied to the sewage treatment.
The ozone oxidation technology is a method for purifying wastewater by using ozone as an oxidant, and the ozone has strong oxidizing capability and can degrade organic pollutants in water. But also has obvious disadvantages, such as slow reaction speed of ozone and some organic matters, the ozone in the common ozone tower in the prior art often floats upwards and then runs out of the reactor, the retention time in the wastewater is short, and the utilization efficiency of the ozone is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem in the background art, the utility model provides a high-efficient ozone oxidation device through compressed air's air stripping effect, prolongs the time that ozone stops in waste water, has strengthened ozone oxidation technology's efficiency.
The utility model adopts the technical proposal that:
the utility model comprises a U-shaped special pipe and an aeration pipe, wherein the U-shaped special pipe mainly comprises two inlet pipes and two outlet pipes which are connected with each other, and the height of the pipe orifice of each outlet pipe is higher than that of the pipe orifices of the inlet pipes; an end cover for sealing is arranged at an opening at the upper end of the U-shaped special pipe, the end cover which is connected with the pipe orifice of the outlet pipe and the pipe orifice of the inlet pipe and is positioned between the inner side of the inlet pipe and the inner side of the outlet pipe is arranged into an inclined plane, and the inclined plane inclines towards one side of the inlet pipe; the part of the end cover connected with the outer side of the outlet pipe extends outwards to form an inclined table surface, and the inclined table surface inclines towards one side of the outlet pipe; the aeration pipe comprises an aeration pipe I and an aeration pipe II, and the aeration pipe I and the aeration pipe II are respectively arranged in the inlet pipe and the outlet pipe; the sewage pipe extends into the inlet pipe after passing through the end cover.
The aeration pipe I and the aeration pipe II are respectively positioned 2-4m away from the pipe orifice of the inlet pipe and the pipe orifice of the outlet pipe; the aeration pipe I is connected with an ozone generator through a pipeline, and the ozone feeding speed is adjusted through a valve arranged on the pipeline; the aeration pipe II is connected with an air compressor through a pipeline and adjusts the speed of introducing compressed air through a valve arranged on the pipeline.
A plurality of air vents are arranged on the aeration pipe at equal intervals, and the aperture of the air vent of the aeration pipe II is larger than that of the air vent of the aeration pipe I.
And catalysts are uniformly distributed in the U-shaped special pipe and adopt suspension catalysts. The suspension catalyst is a catalyst with the specific gravity of 1 and can be suspended in water.
The inclined plane and the inclined table-board between the inner side of the inlet pipe and the inner side of the outlet pipe are both provided with a filter screen with holes.
The inclined plane is provided with a convex part extending upwards on one side close to the inlet pipe, and the convex part is used for preventing treated wastewater from flowing into the inlet pipe through the inclined plane.
The calibers of the inlet pipe and the outlet pipe are different, and the calibers of the inlet pipe and the outlet pipe are smaller than the calibers of the outlet pipe.
The part of the end cover connected with the outer side of the inlet pipe extends outwards to form a horizontal table top.
The specific use method of the device is as follows: continuously introducing ozone and compressed air into the aeration pipe I and the aeration pipe II respectively, enabling sewage to enter the inlet pipe through the sewage pipe, and enabling part of ozone to move towards the bottom of the U-shaped special pipe under the air stripping action of the compressed air, so that the retention time of the ozone in the U-shaped special pipe is prolonged;
organic matters in the sewage react under the oxidation action of ozone and the catalytic action of a catalyst to complete sewage treatment, the treated sewage is discharged from an outlet pipe under the air stripping action of compressed air in an aeration pipe II, the treated sewage flows to an inclined table top or an inclined plane after passing through the pipe orifice of the outlet pipe, and the treated sewage flows into a collecting tank positioned below the inclined plane and the inclined table top after being seeped downwards from a filter screen with holes.
And the organic matters in the sewage are treated at the bottom of the U-shaped special pipe.
The water outlet speed of the sewage treated by the outlet pipe orifice and the retention time of ozone in the U-shaped special pipe are adjusted by adjusting the inlet speed of the compressed air.
The sewage drives the catalyst to flow into the outlet pipe from the inlet pipe while flowing in the pipe, the catalyst reaching the pipe opening of the outlet pipe slides downwards along the inclined plane, and the catalyst enters the inlet pipe by jumping over the convex part when sliding to the convex part at one side of the inclined plane, so that the catalyst can be recycled.
The utility model has the advantages that:
(1) the ozone in the high-efficiency ozone oxidation device of the utility model flows downwards due to the air stripping effect of the compressed air, so that the retention time of the ozone in water is prolonged; under the same height, the retention time can reach more than 4 times of that of a common ozone tower, namely, the ozone oxidation efficiency is improved by 4 times.
(2) The utility model discloses a high-efficient ozone oxidation device can make the catalyst be in the circulation state, greatly increased the utilization ratio of catalyst and increased catalyst and the contact probability and the contact time of aquatic organic matter.
Drawings
FIG. 1 is a schematic structural view of the high-efficiency ozonation apparatus of the present invention.
In the figure: 1. u-shaped special pipe 2, end cover 3, aeration pipe I, aeration pipe 4, aeration pipe II, aeration pipe 5 and catalyst
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the utility model comprises a U-shaped special pipe 1 and an aeration pipe, wherein the U-shaped special pipe 1 mainly comprises two inlet pipes and two outlet pipes which are connected, and the pipe orifice height of the outlet pipe is higher than that of the inlet pipes. An end cover 2 for sealing is arranged at an opening at the upper end of the U-shaped special pipe 1, the end cover which is connected with the pipe orifice of the outlet pipe and the pipe orifice of the inlet pipe and is positioned between the inner side of the inlet pipe and the inner side of the outlet pipe is arranged into an inclined plane, and the inclined plane inclines towards one side of the inlet pipe; the part of the end cover connected with the outer side of the outlet pipe extends outwards to form an inclined table surface, and the inclined table surface inclines towards one side of the outlet pipe; the inclined plane and the inclined table-board are both perforated filter screens. The aeration pipe comprises an aeration pipe I3 and an aeration pipe II 4, and the aeration pipe I3 and the aeration pipe II 4 are respectively arranged in the inlet pipe and the outlet pipe; the sewage pipe extends into the inlet pipe after passing through the end cover 2.
The aeration pipe I3 is connected with an ozone generator through a pipeline, and the ozone feeding speed is adjusted through a valve arranged on the pipeline; and the aeration pipe II 4 is connected with an air compressor through a pipeline, and the speed of introducing compressed air is adjusted through a valve arranged on the pipeline. A plurality of vent holes are arranged on the aeration pipe at equal intervals.
In specific implementation, the aeration pipe I3 and the aeration pipe II 4 are respectively positioned at a distance of 2-4m from the pipe orifice of the inlet pipe and the pipe orifice of the outlet pipe.
When the wastewater treatment device is specifically implemented, the inclined plane is provided with a convex part extending upwards on one side close to the inlet pipe, the convex part is used for preventing treated wastewater from flowing into the inlet pipe through the inclined plane, and the height of the convex part is 5 cm.
When the device is specifically implemented, the height of the device is adjusted according to actual needs.
A catalyst 5 is distributed in the U-shaped special pipe 1, and the catalyst 5 is a suspension catalyst. In specific implementation, according to the type of organic matters in the wastewater, an oxidant such as hydrogen peroxide and sodium hypochlorite can be added to the bottom of the U-shaped special pipe 1.
The specific embodiment is as follows:
continuously introducing ozone into the aeration pipe I3, wherein the rising speed of the ozone is less than 0.5m/s, continuously introducing compressed air into the aeration pipe II 4, wherein the rising speed of the air is less than 0.5m/s, the compressed air discharges water at the water outlet end of the U-shaped pipe through a stripping effect, and the pipe orifice of the water inlet pipe is smaller than that of the water outlet pipe, so that the water velocity of the water inlet pipe flows downwards at 1-1.5m/s, the ozone is driven to overcome buoyancy force and move towards the bottom of the U-shaped special pipe 1 at the speed of 1-1.5m/s, and the retention time of the ozone in the U-shaped special pipe 1 is increased to more than 4 times than that.
The oxidation of the organic matter in the sewage in the ozone and the catalytic action of the catalyst 5 react to finish sewage treatment, and the catalyst, the water and the ozone are in relative motion states, so that the contact time and the reaction time of the catalyst, the water and the ozone are prolonged, and the utilization efficiency of the ozone is improved. The treated sewage is discharged from the outlet pipe under the air lifting action of compressed air in the aeration pipe II 4, flows to the inclined table top or the inclined plane after passing through the pipe orifice of the outlet pipe, and flows into a collecting tank positioned below the inclined plane and the inclined table top after being seeped downwards from the filter screen with holes.
In the specific embodiment, the height of the U-shaped special pipe 1 is 50-150 meters, the caliber of the outlet pipe is twice that of the inlet pipe, and the height of the mouth of the outlet pipe is 50cm higher than that of the inlet pipe.
The height of a common ozone reaction tower is 8 meters, the retention time of ozone in water is limited, ozone is insoluble in water, the ozone oxidation efficiency is low, the length of a pipe can be continuously increased, the retention time multiple of ozone is prolonged, and ozone floats up and down in water under the interweaving effect of buoyancy and water pressure. The higher pressure at the bottom of the U-shaped special pipe increases the ozone solubility, so that the ozone oxidation efficiency is greatly improved.
Can with the utility model discloses do underground, the pressure increase of device bottom has increaseed the solubility of ozone, has improved the reaction rate of aquatic organic matter, has played energy-conserving effect. Also can be with the utility model discloses do on the ground to effectively avoid the requirement of environmental protection to groundwater risk.
Claims (8)
1. The high-efficiency ozone oxidation device is characterized by comprising a U-shaped special pipe (1) and an aeration pipe, wherein the U-shaped special pipe (1) mainly comprises an inlet pipe and an outlet pipe which are connected with each other, and the height of the pipe orifice of the outlet pipe is higher than that of the pipe orifice of the inlet pipe;
an end cover (2) for sealing is arranged at an opening at the upper end of the U-shaped special pipe (1), the end cover which is connected with the pipe orifice of the outlet pipe and the pipe orifice of the inlet pipe and is positioned between the inner side of the inlet pipe and the inner side of the outlet pipe is arranged into an inclined plane, and the inclined plane inclines towards one side of the inlet pipe; the part of the end cover connected with the outer side of the outlet pipe extends outwards to form an inclined table surface, and the inclined table surface inclines towards one side of the outlet pipe;
the aeration pipe comprises an aeration pipe I (3) and an aeration pipe II (4), and the aeration pipe I (3) and the aeration pipe II (4) are respectively arranged in the inlet pipe and the outlet pipe;
the sewage pipe extends into the inlet pipe after passing through the end cover (2).
2. The efficient ozonation device according to claim 1, wherein the aeration pipe I (3) and the aeration pipe II (4) are respectively positioned at a distance of 2-4m from the pipe orifice of the inlet pipe and the pipe orifice of the outlet pipe; the aeration pipe I (3) is connected with an ozone generator through a pipeline, and the ozone introduction speed is adjusted through a valve arranged on the pipeline; and the aeration pipe II (4) is connected with an air compressor through a pipeline, and the inlet speed of compressed air is adjusted through a valve arranged on the pipeline.
3. The high efficiency ozonation device of claim 1, wherein the aeration tube has a plurality of air vents at equal intervals.
4. The high-efficiency ozone oxidation device according to claim 1, wherein a catalyst (5) is distributed in the U-shaped special pipe (1), the catalyst (5) adopts a suspension catalyst, and the suspension catalyst adopts a catalyst with the specific gravity of 1.
5. The ozone oxidation unit as claimed in claim 1, wherein the inclined surface and the inclined surface are perforated screens.
6. The ozone oxidation unit as claimed in claim 1, wherein the inclined surface has a protrusion extending upward at a side thereof adjacent to the inlet pipe, the protrusion being adapted to block the treated wastewater from flowing into the inlet pipe through the inclined surface.
7. The efficient ozonation device of claim 1, wherein the inlet pipe and the outlet pipe have different calibers, and the caliber of the inlet pipe is smaller than that of the outlet pipe.
8. The high-efficiency ozone oxidation device as claimed in claim 2, wherein the outlet rate of the sewage treated by the outlet pipe orifice and the residence time of ozone in the U-shaped profile pipe (1) are adjusted by adjusting the inlet speed of the compressed air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020948367.7U CN212356696U (en) | 2020-05-29 | 2020-05-29 | High-efficient ozone oxidation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020948367.7U CN212356696U (en) | 2020-05-29 | 2020-05-29 | High-efficient ozone oxidation device |
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| CN212356696U true CN212356696U (en) | 2021-01-15 |
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| CN202020948367.7U Active CN212356696U (en) | 2020-05-29 | 2020-05-29 | High-efficient ozone oxidation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517449A (en) * | 2020-05-29 | 2020-08-11 | 浙江中誉生态环境科技有限公司 | High-efficiency ozone oxidation device |
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- 2020-05-29 CN CN202020948367.7U patent/CN212356696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517449A (en) * | 2020-05-29 | 2020-08-11 | 浙江中誉生态环境科技有限公司 | High-efficiency ozone oxidation device |
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