CN218478603U - Ozone reaction tower and sewage treatment system - Google Patents
Ozone reaction tower and sewage treatment system Download PDFInfo
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- CN218478603U CN218478603U CN202222490811.7U CN202222490811U CN218478603U CN 218478603 U CN218478603 U CN 218478603U CN 202222490811 U CN202222490811 U CN 202222490811U CN 218478603 U CN218478603 U CN 218478603U
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Abstract
The utility model relates to an ozone reaction tower, including the tower body, be equipped with catalyst layer and water distribution system in the tower body, water distribution system is located the tower body bottom and is connected with first inlet tube, be equipped with the delivery port in the tower body top, be equipped with first pipe-line mixer on the first inlet tube and be connected with first ozone supply pipe on first pipe-line mixer, still be equipped with the circulating water pipeline on the tower body, the entry end of circulating water pipeline is located between catalyst layer and the delivery port, the exit end and the water distribution headtotail of circulating water pipeline, be equipped with the circulating pump on the circulating water pipeline. In addition, the sewage treatment system adopting the ozone reaction tower is also provided. The utility model connects the first ozone supply pipe on the first water inlet pipe, which can effectively improve the mixing effect of sewage and ozone; through the configuration of the circulating water pipeline, the retention time of the sewage in the reaction tower can be prolonged, and the upward dispersed ozone can also return to the tower body again for reaction, so that the ozone oxidation efficiency and effect of the sewage can be obviously improved.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to ozone reaction tower and adopt sewage treatment system of this ozone reaction tower.
Background
Water environment protection is a problem which is widely concerned by the current human society, and high-concentration organic wastewater threatens precious water resources. The advanced oxidation method plays an important role in the water treatment process, and can completely mineralize or decompose most organic matters, wherein an ozone oxidation system has higher oxidation-reduction potential and can oxidize most organic pollutants in the wastewater, so the advanced oxidation method is widely applied to industrial wastewater treatment. Ozone can oxidize many organic substances in water, but the reaction of ozone with organic substances is selective and cannot completely decompose the organic substances into CO 2 And H 2 O, the product after ozone oxidation is often carboxylic acid organic matter; however, under the action of the catalyst, OH free radicals generated by ozone have strong oxidizing property and can oxidize various toxic and nondegradable organic compounds so as to achieve the purpose of removing pollutants. At present, ozone is generally directly fed into a reactor and is difficult to achieve a good mixing effect with sewage, so that the utilization rate of the ozone is low and the oxidation treatment effect of the sewage needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an ozone reaction tower and adopt this ozone reaction tower's sewage treatment system can solve prior art's partial defect at least.
The utility model relates to an ozone reaction tower, including the tower body, in be equipped with catalyst layer and water distribution system in the tower body, water distribution system is located the tower body bottom and is connected with first inlet tube, is equipped with the delivery port at the tower body top, be equipped with first pipe-line mixer on the first inlet tube and in be connected with first ozone supply pipe on the first pipe-line mixer, still be equipped with the circulating water pipeline on the tower body, the entry end of circulating water pipeline is located between catalyst layer and the delivery port, the exit end of circulating water pipeline with water distribution headtotail, in be equipped with the circulating pump on the circulating water pipeline.
In an embodiment, the water distribution system includes a first water distributor and a second water distributor, the first water distributor is an annular cyclone water distributor, the second water distributor is disposed in an annular space of the first water distributor, the first water inlet pipe is connected to the first water distributor, and the circulating water pipeline is connected to the second water distributor.
In one embodiment, the second water distributor is an annular water distributor, and the first water distributor and the second water distributor are coaxially arranged.
In one embodiment, the second water distributor is an annular swirling water distributor, and the swirling directions of the first water distributor and the second water distributor are opposite.
As one embodiment, the bottom of the tower body is also connected with a second water inlet pipe, and the second water inlet pipe is connected with a first hydrogen peroxide water supply pipe; the water distribution system comprises a third water distributor, and the second water inlet pipe is connected with the third water distributor.
In one embodiment, the second water distributor is an annular water distributor, the first water distributor and the second water distributor are coaxially arranged, and the third water distributor is arranged in an annular space of the second water distributor.
In one embodiment, the third water distributor is a cyclone water distributor, and the first water distributor and the third water distributor have opposite cyclone directions.
In one embodiment, a second pipeline mixer is arranged on the circulating water pipeline, and a second ozone supply pipe is connected to the second pipeline mixer; or the circulating water pipeline is connected with a second hydrogen peroxide water supply pipe.
As one of the implementation modes, the top of the tower body is also provided with an exhaust pipe and a pressure relief pipe, the exhaust pipe is provided with an exhaust valve, and the pressure relief pipe is provided with a pressure relief valve.
The utility model discloses still relate to a sewage treatment system, including the pretreatment unit, biochemical treatment unit, oxidation treatment unit and the membrane processing unit that connect gradually, oxidation treatment unit includes as above ozone reaction tower.
The utility model discloses following beneficial effect has at least:
the first ozone supply pipe is connected on the first water inlet pipe, so that the mixing effect of sewage and ozone can be effectively improved, and the sewage oxidation treatment effect is improved; the gas and the water are mixed and then distributed into the tower body through the water distribution system, so that not only can the sewage be fully mixed with the ozone, but also the energy consumption of water distribution can be saved; through the configuration of the circulating water pipeline, the retention time of the sewage in the reaction tower can be prolonged, and the upward dispersed ozone can also return to the tower body again for reaction, so that the ozone oxidation efficiency and effect of the sewage can be obviously improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an ozone reaction tower according to an embodiment of the present invention;
FIG. 2 is a top view of an ozone reaction tower according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a water distribution system provided by the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1, the embodiment of the utility model provides an ozone reaction tower, including tower body 1, in be equipped with catalyst layer and water distribution system 3 in the tower body 1, water distribution system 3 is located tower body 1 bottom and is connected with first inlet tube 2, is equipped with delivery port 11 at tower body 1 top, be equipped with first pipe-line mixer 21 on first inlet tube 2 and in be connected with first ozone supply pipe 22 on the first pipe-line mixer 21, still be equipped with circulating water pipeline 4 on the tower body 1, circulating water pipeline 4's entry end is located between catalyst layer and the delivery port 11, circulating water pipeline 4's exit end with water distribution system 3 connects, in be equipped with the circulating pump on the circulating water pipeline 4.
The catalyst layer is used for forming an ozone catalytic reaction with ozone, and can improve the oxidation treatment effect on water. In one embodiment, as shown in fig. 1, the catalyst layer includes a plurality of catalyst nets 13 arranged in sequence from bottom to top.
Preferably, as shown in fig. 1, the water outlet is provided in the form of a weir 12 at the top of the tower 1, said water outlet 11 being arranged accordingly. Wherein the inlet end of the circulating water pipeline 4 is positioned below the overflow weir 12.
The first line mixer 21 is used to mix ozone gas into the intake water, and therefore, line mixers that can mix air and water are all suitable for use in the present embodiment. In one embodiment, the first pipeline mixer 21 is a venturi tube, and the first ozone supply pipe 22 is connected to the throat of the venturi tube, so that the gas-water mixing effect can be improved.
Preferably, an ozone generator is provided for the ozone reaction tower, and the first ozone supply pipe 22 is connected to the ozone generator.
Further, as shown in fig. 1, an exhaust pipe 14 and a pressure relief pipe 15 are further arranged at the top of the tower body 1, an exhaust valve is arranged on the exhaust pipe 14, and a pressure relief valve is arranged on the pressure relief pipe 15, so that the working reliability and the operation safety of the ozone reaction tower can be ensured. Among these, the gas collected in the exhaust pipe 14 may contain ozone, and therefore needs to be recovered or subjected to a detoxifying treatment.
Further, as shown in fig. 1, an emptying pipe 16 is further disposed at the bottom of the tower body 1, which is convenient for the overhaul, maintenance and the like of the ozone reaction tower.
In the ozone reaction tower provided by the embodiment, the first water inlet pipe 2 is connected with the first ozone supply pipe 22, so that the mixing effect of sewage and ozone can be effectively improved, and the sewage oxidation treatment effect is improved; the air and water are mixed and then distributed into the tower body 1 through the water distribution system 3, so that not only can the sewage be fully mixed with the ozone, but also the energy consumption of water distribution can be saved; through the configuration of the circulating water pipeline 4, the retention time of the sewage in the reaction tower can be prolonged, and the upward dispersed ozone can also return to the tower body 1 for reaction, so that the ozone oxidation efficiency and effect of the sewage can be remarkably improved.
In one embodiment, as shown in fig. 3, the water distribution system 3 includes a first water distributor 31 and a second water distributor 32, the first water distributor 31 is an annular cyclone water distributor, the second water distributor 32 is disposed in an annular space of the first water distributor 31, the first water inlet pipe 2 is connected to the first water distributor 31, and the circulating water pipe 4 is connected to the second water distributor 32. Based on the structure, the rotational flow water distribution formed by the first water distributor 31 can carry out entrainment and collision on the circulating water distributed by the second water distributor 32, so that the mixing effect between the fresh water and the circulating water and the air-water mixing uniformity in the ascending water flow are effectively improved, and the sewage treatment effect is further improved.
The first water distributor 31 may be disposed near the inner wall of the tower 1, and the second water distributor 32 may be disposed in the same layer as the first water distributor 31 or in layers. Further preferably, the second water distributor 32 is an annular water distributor, and the first water distributor 31 and the second water distributor 32 are coaxially arranged; particularly, the second water distributor 32 is also an annular swirling water distributor, and the swirling directions of the first water distributor 31 and the second water distributor 32 are opposite, so that the mixing effect between the fresh water distributed by the first water distributor 31 and the circulating water distributed by the second water distributor 32 is better.
In one embodiment, as shown in fig. 2, a second water inlet pipe 5 is further connected to the bottom of the tower body 1, and a first hydrogen peroxide water supply pipe 51 is connected to the second water inlet pipe 5; the water distribution system 3 comprises a third water distributor 33, and the second water inlet pipe 5 is connected with the third water distributor 33. Based on the scheme, the effect of treating sewage by ozone-hydrogen peroxide in a synergetic oxidation manner can be formed in the tower body 1, the effect and efficiency of oxidation treatment on sewage can be remarkably improved, and the condition that sewage treatment is not up to standard due to insufficient mixing effect and reaction efficiency of ozone and sewage is avoided.
Further, in the above solution that the second water distributor 32 is an annular water distributor, the third water distributor 33 is disposed in the annular space of the second water distributor 32. In particular, the third water distributor 33 is a cyclone water distributor, and the first water distributor 31 and the third water distributor 33 have opposite cyclone directions; in the scheme, the second water distributor 32 can be in a vertical upward water distribution mode or a rotational flow water distribution mode; based on the scheme, the mixing effect of the ozone mixed fresh water, the hydrogen peroxide mixed fresh water and the circulating water can be effectively improved, so that the sewage treatment effect is improved.
In one embodiment, a second pipeline mixer is arranged on the circulating water pipeline 4, and a second ozone supply pipe is connected to the second pipeline mixer; or, a second hydrogen peroxide supply pipe 41 is connected to the circulating water pipeline 4. The scheme can increase the content of ozone/hydrogen peroxide in the circulating water, thereby increasing the content of ozone/hydrogen peroxide in the tower body 1 and improving the distribution uniformity of the oxidant in the ascending water flow in the tower body 1.
Example two
The embodiment of the utility model provides a sewage treatment system, including the pretreatment unit, biochemical treatment unit, oxidation treatment unit and the membrane processing unit that connect gradually, oxidation treatment unit includes the ozone reaction tower that above-mentioned embodiment one provided.
Wherein, the pretreatment unit, the biochemical treatment unit and the membrane treatment unit are conventional equipment in the field, and the specific structure is not described herein.
Further preferably, the oxidation processing unit further comprises a fenton oxidation device, and a water inlet of the fenton oxidation device is communicated with a water outlet 11 of the ozone reaction tower. In this scheme, through ozone reaction tower and the cooperation of fenton oxidation unit, can further improve the oxidation treatment effect to sewage. Particularly, in the scheme provided with the hydrogen peroxide water supply pipe, the hydrogen peroxide water contained in the outlet water of the ozone reaction tower can further play a role in the Fenton oxidation device, so that the hydrogen peroxide water can be fully utilized, the waste of the hydrogen peroxide water is avoided, and even if the using amount of the hydrogen peroxide water in the ozone reaction tower is excessive, the adverse effect and the resource waste cannot be caused, so that the process flexibility is high, and the process control in actual production is facilitated.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an ozone reaction tower, includes the tower body, in be equipped with catalyst layer and water distribution system in the tower body, water distribution system is located the tower body bottom and is connected with first inlet tube, is equipped with delivery port, its characterized in that in the tower body top: the first water inlet pipe is provided with a first pipeline mixer, the first pipeline mixer is connected with a first ozone supply pipe, the tower body is further provided with a circulating water pipeline, the inlet end of the circulating water pipeline is located between the catalyst layer and the water outlet, the outlet end of the circulating water pipeline is connected with the water distribution system, and the circulating water pipeline is provided with a circulating pump.
2. The ozone reaction tower according to claim 1, wherein: the water distribution system comprises a first water distributor and a second water distributor, the first water distributor is an annular rotational flow water distributor, the second water distributor is arranged in an annular space of the first water distributor, the first water inlet pipe is connected with the first water distributor, and the circulating water pipeline is connected with the second water distributor.
3. The ozone reaction tower as claimed in claim 2, wherein: the second water distributor is an annular water distributor, and the first water distributor and the second water distributor are coaxially arranged.
4. The ozone reaction tower as claimed in claim 3, wherein: the second water distributor is an annular rotational flow water distributor, and the rotational flow directions of the first water distributor and the second water distributor are opposite.
5. The ozone reaction tower as claimed in claim 2, wherein: the bottom of the tower body is also connected with a second water inlet pipe, and the second water inlet pipe is connected with a first hydrogen peroxide water supply pipe; the water distribution system comprises a third water distributor, and the second water inlet pipe is connected with the third water distributor.
6. The ozone reaction tower as claimed in claim 5, wherein: the second water distributor is an annular water distributor, the first water distributor and the second water distributor are coaxially arranged, and the third water distributor is arranged in an annular space of the second water distributor.
7. The ozone reaction tower as claimed in claim 6, wherein: the third water distributor is a rotational flow water distributor, and the rotational flow directions of the first water distributor and the third water distributor are opposite.
8. The ozone reaction tower according to any one of claims 1 to 7, wherein: a second pipeline mixer is arranged on the circulating water pipeline, and a second ozone supply pipe is connected to the second pipeline mixer; or the circulating water pipeline is connected with a second hydrogen peroxide water supply pipe.
9. The ozone reaction tower according to claim 1, wherein: the tower body top still is equipped with blast pipe and pressure release pipe, be equipped with discharge valve on the blast pipe, be equipped with the relief valve on the pressure release pipe.
10. The utility model provides a sewage treatment system, includes the pretreatment unit, biochemical treatment unit, oxidation treatment unit and the membrane processing unit who connects gradually, its characterized in that: the oxidation treatment unit comprises the ozone reaction tower according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222490811.7U CN218478603U (en) | 2022-09-19 | 2022-09-19 | Ozone reaction tower and sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222490811.7U CN218478603U (en) | 2022-09-19 | 2022-09-19 | Ozone reaction tower and sewage treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN218478603U true CN218478603U (en) | 2023-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222490811.7U Active CN218478603U (en) | 2022-09-19 | 2022-09-19 | Ozone reaction tower and sewage treatment system |
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|---|---|
| CN (1) | CN218478603U (en) |
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- 2022-09-19 CN CN202222490811.7U patent/CN218478603U/en active Active
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