CN109647120B - Ozone tail gas treatment device - Google Patents
Ozone tail gas treatment device Download PDFInfo
- Publication number
- CN109647120B CN109647120B CN201811634537.8A CN201811634537A CN109647120B CN 109647120 B CN109647120 B CN 109647120B CN 201811634537 A CN201811634537 A CN 201811634537A CN 109647120 B CN109647120 B CN 109647120B
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- CN
- China
- Prior art keywords
- pipe body
- tail gas
- ozone tail
- pipe
- treatment device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/106—Ozone
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses an ozone tail gas treatment device, which comprises a first pipe body, a second pipe body, a heater, a third pipe body and a fourth pipe body, wherein one end of the first pipe body is used for introducing ozone tail gas, the second pipe body is communicated with the other end of the first pipe body, the heater is arranged in the second pipe body in a penetrating manner, the third pipe body is arranged in the first pipe body in a penetrating manner, one end of the fourth pipe body is sleeved on the second pipe body, and the one end of the fourth pipe body is communicated with one end of the third pipe body; the gas flow directions in the first pipe body and the third pipe body are opposite and are used for exchanging heat with each other; the gas flow directions in the second pipe body and the fourth pipe body are opposite; the heater is used for heating and decomposing ozone tail gas in the second pipe body and the fourth pipe body. The ozone tail gas treatment device fully prolongs the whole process of breaking reaction, so that the breaking reaction is more thorough, the energy consumption cost is saved, and the length and the volume of a heating section are reduced; the discharged high-temperature tail gas exchanges heat with the ozone tail gas to be heated, so that the energy consumption and the cost of the heater are reduced.
Description
Technical Field
The invention relates to an ozone tail gas treatment device.
Background
Ozone oxidation is the most effective water treatment process so far, and is also the process which is most in line with ecological environment protection. Can be used in civil field and industrial field, and has wide application field. In the ozone oxidation water treatment process, the tail gas discharged after the treatment still contains ozone with a certain concentration, and the tail gas can be discharged after further ozone breaking treatment.
Common ozone tail gas breaking methods include a chemical method and a thermal decomposition method. The chemical method usually adopts a catalyst to catalyze the reaction or an activated carbon to adsorb the reaction to finish ozone destruction, and the method has the defects of low equipment investment, low operation energy consumption, poor safety and stability, periodic replacement of the catalyst and the like. The heating decomposition method is an ozone tail gas breaking method which is widely applied at present, and the method has the advantages of high reaction speed, good effect, convenient automatic operation, safety and reliability. However, in the existing ozone heating destructor, due to structural design, ozone destruction is not thorough, the device structure is too complex and huge, the exhaust emission temperature is too high, and in addition, the defects of large equipment, such as substandard emission, easy vibration of equipment and the like, are caused, so that the device needs to be further improved.
Disclosure of Invention
The invention aims to provide an ozone tail gas treatment device which is low in cost, thorough in ozone tail gas breaking and low in tail gas discharge temperature, energy-saving and environment-friendly.
In order to achieve the above purpose, the invention adopts the following technical scheme:
An ozone tail gas treatment device comprises a first pipe body, a second pipe body, a heater, a third pipe body and a fourth pipe body, wherein one end of the first pipe body is used for introducing ozone tail gas, the second pipe body is communicated with the other end of the first pipe body, the heater is arranged in the second pipe body in a penetrating mode, the third pipe body is arranged in the first pipe body in a penetrating mode, one end of the fourth pipe body is sleeved on the second pipe body, the one end of the fourth pipe body is communicated with one end of the third pipe body, and the other end of the fourth pipe body is communicated with the other end of the second pipe body through the other end of the fourth pipe body;
The gas flow directions in the first pipe body and the third pipe body are opposite, and are used for exchanging heat mutually;
the gas flow directions in the second pipe body and the fourth pipe body are opposite;
The heater is used for heating and decomposing the ozone tail gas in the second pipe body and is also used for heating and decomposing the ozone tail gas in the fourth pipe body.
Preferably, the first pipe body, the second pipe body, the third pipe body and the fourth pipe body have axial lines parallel to each other, and the second pipe body and the fourth pipe body extend coaxially.
Preferably, the device further comprises a first communication pipe communicated between the first pipe body and the second pipe body, and a second communication pipe communicated between the third pipe body and the fourth pipe body.
Preferably, the device further comprises a connecting flange which is blocked at the end part of the other end of the second pipe body and the end part of the other end of the fourth pipe body, a gas outlet is formed in the side part of the other end of the second pipe body, and the gas outlet is positioned in the fourth pipe body.
More preferably, one end of the heater is fixedly arranged in the connecting flange in a penetrating manner.
Preferably, the third pipe body has a plurality of thin-wall corrugated pipes.
Preferably, grid-shaped supporting grid rods are arranged in the first pipe body, and the third pipe body penetrates through grids of the supporting grid rods.
Preferably, the device further comprises an induced draft fan communicated with the other end of the third pipe body.
Preferably, the device further comprises a prying seat, the first pipe body and the fourth pipe body are detachably arranged on the prying seat.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the ozone tail gas treatment device, the fourth pipe body is sleeved on the second pipe body to form an inner-outer roundabout nested structure, so that the heater can heat the ozone tail gas in the second pipe body and also can heat the ozone tail gas in the fourth pipe body, the whole breaking reaction process is fully prolonged, the breaking reaction is more thorough, the energy consumption cost is saved, and the length and the volume of a heating section are reduced; through setting up the third body and wearing to locate in the first body, make the high temperature tail gas of emission and treat the ozone tail gas of heating carry out heat transfer, not only reduced the temperature of emission tail gas, economical and environment-friendly has preheated the ozone tail gas of treating the heating simultaneously, has reduced the energy consumption of heater, has reduced processing cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
fig. 2 is a cross-sectional view of the first tubular body.
Wherein: 1. a first tube body; 2. a second tube body; 3. a heater; 4. a third tube body; 5. a fourth pipe body; 6. a first communication pipe; 7. a second communicating pipe; 8. a connecting flange; 9. a gas outlet; 10. supporting the grid rod; 11. an induced draft fan; 12. and (5) prying the base.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-2, the ozone tail gas treatment device includes a first pipe body 1 with a right end (right end in fig. 1 is referred to as a right end in fig. 1) for introducing ozone tail gas, a second pipe body 2 with a left end (left end in fig. 1 is referred to as a left end in fig. 1) communicated with the left end of the first pipe body 1, a heater 3 penetrating through the second pipe body 2, a third pipe body 4 penetrating through the first pipe body 1, a fourth pipe body 5 sleeved on the second pipe body 2 and communicated with the left end of the third pipe body 4, and the fourth pipe body 5 is communicated with the right end of the second pipe body 2 through the right end thereof. In the present embodiment, the apparatus further includes a first communication pipe 6 communicating between the first pipe body 1 and the second pipe body 2, a second communication pipe 7 communicating between the third pipe body 4 and the fourth pipe body 5; the upper end (see fig. 1, the upper end in fig. 1 is the upper end here) of the first communication pipe 6 is communicated with the left end of the second pipe body 2, and the lower end (see fig. 1, the lower end in fig. 1 is the lower end here) of the first communication pipe 6 is communicated with the left end of the first pipe body 1; the upper end of the second communicating pipe 7 communicates with the left end of the fourth pipe body 5, and the lower end of the second communicating pipe 7 communicates with the left end of the third pipe body 4.
In this embodiment, the first pipe body 1, the second pipe body 2, the third pipe body 4, and the fourth pipe body 5 have their axes parallel to each other, the second pipe body 2 and the fourth pipe body 5 extend coaxially, and their axes extend in the horizontal direction.
In the present embodiment, the gas flows in the first pipe body 1 and the third pipe body 4 are opposite to each other for exchanging heat with each other; the gas flow directions in the second pipe body 2 and the fourth pipe body 5 are opposite; the heater 3 is used not only for heating and decomposing the ozone tail gas in the second pipe body 2 but also for heating and decomposing the ozone tail gas in the fourth pipe body 5.
The fourth pipe body 5 is sleeved on the second pipe body 2 to form an inner-outer roundabout nested structure, so that the heater 3 can heat the ozone tail gas in the second pipe body 2 and also can heat the ozone tail gas in the fourth pipe body 5, the whole breaking reaction process is fully prolonged, the breaking reaction is more thorough, the energy consumption cost is saved, and the length and the volume of a heating section are reduced; through setting up the third body 4 and wearing to locate in the first body 1, make the exhaust of emission carry out the heat transfer with the ozone tail gas that waits to heat, not only reduced the temperature of emission tail gas, economical and environment-friendly has preheated the ozone tail gas that waits to heat simultaneously, has reduced the energy consumption of heater 3, has reduced processing cost.
The ozone tail gas treatment device further comprises a connecting flange 8 which is blocked at the right end of the second pipe body 2 and the right end of the fourth pipe body 5, a gas outlet 9 is formed in the side portion of the right end of the second pipe body 2, the gas outlet 9 is located in the fourth pipe body 5, and the second pipe body 2 is communicated with the fourth pipe body 5 through the gas outlet 9. In this embodiment, the length extending direction of the heater 3 is parallel to the length extending direction of the second pipe body 2, and the right end of the heater 3 is fixedly inserted into the connecting flange 8.
In this embodiment, the third tube body 4 has a plurality of thin-walled bellows. The thin-wall corrugated pipe is adopted, so that the heat exchange efficiency is more than twice that of a common heat exchange pipe, the use of heat exchange pipe materials can be effectively reduced, the size of a preheating section is reduced, and the whole structure is more compact. By adopting the thin-wall corrugated pipe, the thermal expansion displacement between the third pipe body 4 and the first pipe body 1 can be effectively absorbed through the structural characteristics of the thin-wall corrugated pipe, an expansion joint structure which is necessary to be adopted due to overlarge wall temperature difference in the conventional design is omitted, the equipment structure is simplified, and the equipment cost is reduced.
In this embodiment, the first pipe body 1 is internally provided with a grid-shaped supporting grid rod 10, the grid-shaped supporting grid rod 10 is formed by arranging horizontal grid rods and vertical grid rods, and a plurality of grid-shaped supporting grid rods 10 are arranged at intervals along the length extending direction of the first pipe body 1. The third pipe bodies 4 are correspondingly penetrated in the grids of the supporting grid rods 10 one by one. The grating rod support is adopted to replace the conventional plate type baffle plate support, so that the vibration problem which is easy to occur when the tail gas flushes the third pipe body 4 can be effectively avoided; the third pipe body 4 can be flushed by the tail gas more uniformly and fully, the flushing dead zone can be effectively reduced, the waste flow is reduced, the heat transfer effect is good, and the size of a heating surface can be relatively reduced; meanwhile, the resistance drop is smaller than that of the plate-type baffle plate, so that the gas circulation in the system is smoother, and the safety is higher.
The ozone tail gas treatment device further comprises an induced draft fan 11 communicated with the right end of the third pipe body 4. By arranging the induced draft fan 11, the tail gas after heat exchange is led out of the third pipe body 4 and discharged.
The ozone tail gas treatment device further comprises a prying seat 12, a first pipe body 1, a fourth pipe body 5 and an induced draft fan 11 which are all detachably arranged on the prying seat 12. The first pipe body 1 and the fourth pipe body 5 can be independently or integrally skid-mounted by adopting skid-mounted modular design, so that the on-site installation and construction work is reduced and simplified, and the equipment can be put into operation only by simply connecting a pipeline and switching on a power supply after being transported to be in place on site.
The working procedure of this embodiment is specifically described below:
Ozone tail gas is introduced from the right end of the first pipe body 1, the ozone tail gas is preheated in the first pipe body 1 and then enters the second pipe body 2, under the action of the electric heater 3, a part of ozone tail gas is heated and decomposed, decomposed gas and another part of ozone tail gas enter the fourth pipe body 5, under the action of the electric heater 3, another part of ozone tail gas is heated and decomposed, decomposed high-temperature tail gas enters the third pipe body 4, the ozone tail gas in the first pipe body 1 is preheated, and under the action of the induced draft fan 11, the tail gas after heat exchange and cooling is led out from the third pipe body 4 and discharged.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. An ozone tail gas treatment device which is characterized in that: the device comprises a first pipe body, a second pipe body, a heater, a third pipe body and a fourth pipe body, wherein one end of the first pipe body is used for introducing ozone tail gas, the second pipe body is communicated with the other end of the first pipe body, the heater penetrates through the second pipe body, the third pipe body penetrates through the first pipe body, the fourth pipe body is sleeved on the second pipe body, one end of the fourth pipe body is communicated with one end of the third pipe body, and the other end of the fourth pipe body is communicated with the other end of the second pipe body;
The gas flow directions in the first pipe body and the third pipe body are opposite, and are used for exchanging heat mutually;
the gas flow directions in the second pipe body and the fourth pipe body are opposite;
The heater is used for heating and decomposing the ozone tail gas in the second pipe body and also used for heating and decomposing the ozone tail gas in the fourth pipe body;
The device also comprises a connecting flange which is blocked at the end part of the other end of the second pipe body and the fourth pipe body, wherein a gas outlet is formed in the side part of the other end of the second pipe body, and the gas outlet is positioned in the fourth pipe body;
the third pipe body is provided with a plurality of thin-wall corrugated pipes;
the first pipe body is internally provided with a grid-shaped supporting grid rod, and the third pipe body is arranged in the grid of the supporting grid rod in a penetrating mode.
2. An ozone tail gas treatment device as claimed in claim 1, wherein: the first pipe body, the second pipe body, the third pipe body and the fourth pipe body are parallel to each other in the axial lead direction, and the second pipe body and the fourth pipe body extend coaxially.
3. An ozone tail gas treatment device as claimed in claim 1, wherein: the device also comprises a first communicating pipe communicated between the first pipe body and the second pipe body, and a second communicating pipe communicated between the third pipe body and the fourth pipe body.
4. An ozone tail gas treatment device as claimed in claim 1, wherein: one end of the heater is fixedly arranged in the connecting flange in a penetrating mode.
5. An ozone tail gas treatment device as claimed in claim 1, wherein: the device also comprises an induced draft fan communicated with the other end of the third pipe body.
6. An ozone tail gas treatment device as claimed in claim 1, wherein: the device also comprises a prying seat, the first pipe body and the fourth pipe body are detachably arranged on the prying seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634537.8A CN109647120B (en) | 2018-12-29 | 2018-12-29 | Ozone tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634537.8A CN109647120B (en) | 2018-12-29 | 2018-12-29 | Ozone tail gas treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109647120A CN109647120A (en) | 2019-04-19 |
| CN109647120B true CN109647120B (en) | 2024-05-14 |
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ID=66116992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634537.8A Active CN109647120B (en) | 2018-12-29 | 2018-12-29 | Ozone tail gas treatment device |
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| Country | Link |
|---|---|
| CN (1) | CN109647120B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006000774A (en) * | 2004-06-18 | 2006-01-05 | Toshiba Corp | Ozone-decomposing device |
| CN102631829A (en) * | 2012-04-13 | 2012-08-15 | 山东绿邦光电设备有限公司 | High-efficient energy-saving heating type ozone tail gas decomposing device |
| CN103877852A (en) * | 2012-12-20 | 2014-06-25 | 江苏康尔臭氧有限公司 | Ozone decomposition method and apparatus thereof |
| CN209405971U (en) * | 2018-12-29 | 2019-09-20 | 张家港市江南锅炉压力容器有限公司 | A kind of ozone exhaust gas treating device |
-
2018
- 2018-12-29 CN CN201811634537.8A patent/CN109647120B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006000774A (en) * | 2004-06-18 | 2006-01-05 | Toshiba Corp | Ozone-decomposing device |
| CN102631829A (en) * | 2012-04-13 | 2012-08-15 | 山东绿邦光电设备有限公司 | High-efficient energy-saving heating type ozone tail gas decomposing device |
| CN103877852A (en) * | 2012-12-20 | 2014-06-25 | 江苏康尔臭氧有限公司 | Ozone decomposition method and apparatus thereof |
| CN209405971U (en) * | 2018-12-29 | 2019-09-20 | 张家港市江南锅炉压力容器有限公司 | A kind of ozone exhaust gas treating device |
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| Publication number | Publication date |
|---|---|
| CN109647120A (en) | 2019-04-19 |
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Country or region after: China Address after: No. 1230 Gangfeng Road, Yangzijiang International Chemical Industry Park, Suzhou City, Jiangsu Province, 215000 (west side of Taiziwei Port) Applicant after: Jiangsu Jiangguo Intelligent Equipment Co.,Ltd. Address before: 215635 No.139 Gangfeng Road, Yangzijiang International Chemical Industrial Park, Zhangjiagang City, Suzhou City, Jiangsu Province (Jiangnan boiler) Applicant before: Jiangnan Boilers & Pressure Vessels (Zhangjiagang) Co.,Ltd. Country or region before: China |
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