CN210613311U - Waste gas treatment equipment with spraying, photolysis and activated carbon adsorption functions - Google Patents
Waste gas treatment equipment with spraying, photolysis and activated carbon adsorption functions Download PDFInfo
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- CN210613311U CN210613311U CN201920943131.1U CN201920943131U CN210613311U CN 210613311 U CN210613311 U CN 210613311U CN 201920943131 U CN201920943131 U CN 201920943131U CN 210613311 U CN210613311 U CN 210613311U
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- photolysis
- spraying
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- adsorption
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Abstract
The utility model provides a waste gas treatment device with functions of spraying, photolysis and activated carbon adsorption, which comprises a spray tower, an adsorption device and a UV photolysis device which are sequentially communicated, wherein the spray tower is connected with a waste gas inlet pipe, and the UV photolysis device is connected with a gas discharge pipe; the adsorption device comprises an adsorption shell communicated with the spray tower, an upper buffer area, an adsorption area and a lower buffer area are separated by two rectifying plates arranged at intervals in the adsorption shell, and the adsorption area is filled with shell activated carbon; UV photolysis device includes the photolysis casing with lower buffer intercommunication, and the interval is equipped with TiO2 net, carbon fiber net and silica gel adsorption net in proper order in the photolysis casing, installs a plurality of UV ultraviolet lamps in the photolysis casing. The condition that the organic gas is not completely treated in the existing waste gas treatment is improved.
Description
Technical Field
The utility model relates to a waste gas treatment equipment field, concretely relates to waste gas treatment equipment with spray, photodissociation, active carbon adsorption function.
Background
In the industrial production process, can produce a large amount of waste gases, contain more harmful substance in the waste gas, can not directly discharge and cause the pollution in the air, all need carry out exhaust-gas treatment before exhaust emission, reach emission standard and just can empty. The existing waste gas treatment is usually carried out by adopting a spray tower, harmful components are subjected to neutralization reaction after sufficient contact of alkali liquor and waste gas is utilized, some free organic gas can be remained after the alkali liquor is sprayed, the waste gas cannot be thoroughly treated, and the organic gas emission can also cause environmental pollution.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model provides a waste gas treatment equipment with spray, photodissociation, active carbon adsorption function has solved among the current waste gas treatment the not thorough problem of organic gas's processing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a waste gas treatment device with spraying, photolysis and active carbon adsorption functions comprises a spray tower, an adsorption device and a UV photolysis device which are sequentially communicated, wherein a waste gas inlet pipe is connected to the spray tower, and a gas discharge pipe is connected to the UV photolysis device; the adsorption device comprises an adsorption shell communicated with the spray tower, an upper buffer area, an adsorption area and a lower buffer area are separated by two rectifying plates arranged at intervals in the adsorption shell, and the adsorption area is filled with shell activated carbon; UV photolysis device includes the photodissociation casing with lower buffer intercommunication, the interval is equipped with TiO2 net, carbon fiber net and silica gel adsorption net in proper order in the photodissociation casing, install a plurality of UV ultraviolet lamps in the photodissociation casing.
Preferably, the wavelength of the ultraviolet light emitted by the UV ultraviolet lamp is 170 nm-185 nm.
Preferably, the raw materials of the shell activated carbon are shells and wood chips.
Preferably, a one-way ventilation valve for one-way ventilation to the inside of the photolysis shell is mounted on the photolysis shell.
Preferably, the spray tower includes the spray housing, the spray housing is inside to be separated for stock solution chamber, first chamber, the second sprays the chamber and adsorbs the chamber from bottom to top through 4 otter boards, wherein first spraying chamber and second spray and all install in the chamber and spray fluffy head, be equipped with spray circulation system between stock solution chamber and the fluffy head of spraying, it has the lime stone to adsorb the intracavity packing.
Preferably, the spraying circulation system comprises a circulating pump, a liquid inlet of the circulating pump is communicated with the liquid storage cavity through a liquid inlet pipe, and a liquid outlet of the circulating pump is communicated with the spraying shower head through a liquid outlet pipe.
Preferably, a liquid supplementing pipe communicated with the liquid storage cavity is arranged on the spraying shell, and a stop valve is arranged on the liquid supplementing pipe.
Preferably, the first spraying cavity and the second spraying cavity are both provided with cylindrical buffer blocks, and the buffer blocks are provided with a plurality of through holes which are staggered transversely and longitudinally.
Preferably, the waste gas inlet pipe is communicated with the first spraying cavity, and a water-stop hole plate and a water absorption layer are arranged at an air outlet of the waste gas inlet pipe.
Preferably, the water absorbing layer is a sponge, and a plurality of transverse through holes are formed in the sponge.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the waste gas is treated by the spray tower and then enters the adsorption device, after being limited by the rectifying plate in the upper buffer zone, the gas can uniformly flow in the process of entering the adsorption zone, and is adsorbed by the fruit shell activated carbon after entering the adsorption zone, and as the fruit shell activated carbon has large surface area, high strength, uniform granularity and developed pore structure, the fruit shell activated carbon can fully adsorb organic gas and organic molecules, thereby effectively reducing the content of the organic gas in the exhaust gas;
2. the gas passing through the absorption device enters the UV photolysis device, organic molecules enter the device and are then absorbed by a TiO2 net, a carbon fiber net and a silica gel absorption net and then stay, and under the irradiation of UV ultraviolet light, a photo-catalytic reaction is generated, so that the generated active oxygen and ozone degrade the organic molecules to form pollution-free low-molecular compounds; meanwhile, the energy of the ultraviolet ray can also kill the internal cracking of organic molecules, so that the organic molecules are more easily combined with ozone for reaction; the treated gas can be directly discharged, and the condition of environmental pollution is greatly reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the buffer block of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
in the figure, a spray tower 1, a spray shell 101, a screen plate 102, a liquid storage cavity 103, a first spray cavity 104, a second spray cavity 105, an adsorption cavity 106, a spray shower head 107, a circulating pump 108, a liquid inlet pipe 109, a liquid outlet pipe 1010, a liquid supplementing pipe 1011, a stop valve 1012, an adsorption device 2, an adsorption shell 21, a rectification plate 22, an upper buffer zone 23, an adsorption zone 24, a lower buffer zone 25, a UV photolysis device 3, a photolysis shell 31, a TiO2 net 32, a carbon fiber net 33, a silica gel adsorption net 34, a UV ultraviolet lamp 35, an exhaust gas inlet pipe 4, a gas discharge pipe 5, a one-way ventilation valve 6, a buffer block 7, a water-proof hole plate 8 and a water absorption layer 9 are arranged.
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.
As shown in fig. 1-3, the utility model provides a waste gas treatment equipment with spray, photodissociation, active carbon adsorption function, including spray column 1, adsorption equipment 2 and the UV photodissociation device 3 that communicate in proper order, be connected with waste gas on spray column 1 and advance pipe 4, be connected with gas discharge pipe 5 on the UV photodissociation device 3, industrial waste gas advances pipe 4 through waste gas and enters into earlier and carry out neutralization reaction in spray column 1 and handle the back, enters into further organic gas, organic molecule and adsorbs the processing in adsorption equipment 2, and the gas after the processing carries out abundant tail treatment through UV photodissociation device 3 before the emission, then is emptying through gas discharge pipe 5.
The adsorption device 2 comprises an adsorption shell 21 communicated with the spray tower 1, the adsorption shell 21 is internally divided into an upper buffer area 23, an adsorption area 24 and a lower buffer area 25 by two rectifying plates 22 arranged at intervals, wherein the adsorption area 24 is filled with shell activated carbon, the shell activated carbon is prepared by taking shells and wood chips as raw materials through carbonization, activation and refining, and has the advantages of large specific surface area, high strength, uniform granularity, developed pore structure and strong adsorption performance, and can effectively adsorb pollution components such as organic gas and organic molecules; the adsorbed gas enters the lower buffer zone 25 and then enters the UV photolysis device 3 for subsequent treatment.
The UV photolysis device 3 comprises a photolysis shell 31 communicated with the lower buffer zone 25, wherein a TiO2 net 32, a carbon fiber net 33 and a silica gel adsorption net 34 are sequentially arranged in the photolysis shell 31 at intervals, a plurality of UV ultraviolet lamps 35 are arranged in the photolysis shell 31, the wavelength of ultraviolet light emitted by the UV ultraviolet lamps 35 is 170 nm-185 nm, and gas entering the photolysis shell 31 can adsorb organic molecules after passing through the TiO2 net 32, the carbon fiber net 33 and the silica gel adsorption net 34, so that the gas which can be discharged can be emptied through a gas discharge pipe 5; the organic molecules retained on the TiO2 mesh 32, the carbon fiber mesh and the silica gel adsorption mesh 34 are internally cracked and chemically bonded under the irradiation of ultraviolet rays, and the organic molecules or malodorous gas molecules are irradiated by vacuum ultraviolet rays (with a wavelength of 170mm to 185nm) in a D-band, so that the organic molecules or malodorous gas molecules are cracked and chemically bonded to form free atoms or groups (C, H, O, etc.) due to the energy of the ultraviolet rays after the gas molecules absorb the ultraviolet rays. Meanwhile, oxygen in the mixed gas is photo-cracked by ultraviolet rays to form free oxygen atoms and combined to generate ozone (UV O2 → O-O (active oxygen) O2 → O3 (ozone)); the water vapor in the mixed gas is cracked by ultraviolet light to generate hydroxyl (UV H2O → H OH- (hydroxyl)), and the generated ozone and hydroxyl have extremely strong oxidizability, so that atoms and groups (even organic gas or malodorous gas molecules) generated by the cracking of waste gas molecules can be oxidized into pollution-free low-molecular compounds such as H2O, CO2 and the like; after treatment, the TiO2 net 32, the carbon fiber net and the silica gel adsorption net 34 recover the adsorption capacity, so that organic molecules can be continuously adsorbed again, the photolysis efficiency is improved, and the environment is not polluted by gas discharged into the air.
In order to let the photolysis casing 31 in continue to participate in the oxygen volume of ozone generation reaction, install the one-way vent valve 6 to its inside one-way ventilation on the photolysis casing 31, can avoid the possibility that inside gas outwards spills through the effect of one-way vent valve 6, because the condition of inside gas flow production little negative pressure, let the outside air can follow one-way vent valve 6 and enter into in the photolysis casing 31 simultaneously.
The waste gas is treated in a spray tower 1 after entering, a large amount of waste gas is subjected to pre-neutralization reaction, the spray tower 1 comprises a spray shell 101, the interior of the spray shell 101 is divided into a liquid storage cavity 103, a first spray cavity 104, a second spray cavity 105 and an adsorption cavity 106 from bottom to top through 4 mesh plates 102, spray shower heads 107 are installed in the first spray cavity 104 and the second spray cavity 105, a spray circulation system is arranged between the liquid storage cavity 103 and the spray shower heads 107, and limestone is filled in the adsorption cavity 106; the spraying circulation system comprises a circulation pump 108, a liquid inlet of the circulation pump 108 is communicated with the liquid storage cavity 103 through a liquid inlet pipe 109, and a liquid outlet of the circulation pump 108 is communicated with the spraying nozzle 107 through a liquid outlet pipe 1010; the alkaline liquid is stored in the liquid storage cavity 103, and is conveyed to the spray headers 107 through the circulating pump 108 and then is sprayed out, wherein the spray headers 107 are in a horn-shaped structure, and the liquid flowing out of the spray headers 107 forms a water curtain to increase the contact surface of the alkaline liquid and the waste gas; the exhaust gas enters the adsorption cavity 106 after being fully neutralized and reacted in the first spraying cavity 104 and the second spraying cavity 105, and the exhaust gas is dehumidified by limestone filled inside, so that the humidity of the exhaust gas subsequently entering the adsorption device 2 is reduced.
In order to let the first chamber 104 that sprays, the second sprays the in-process that carries out waste gas neutralization reaction in the chamber 105, let waste gas can dwell time increase, first chamber 104 that sprays all is equipped with cylindric buffer block 7 in spraying chamber 105 with the second, seted up a plurality of horizontal crisscross through-holes of indulging on buffer block 7, waste gas can flow in a plurality of through-holes after getting into, and alkaline liquid also can flow into a plurality of through-holes from last down, contact time is improved, the extension reaction time.
In order to supplement the alkaline liquid in the liquid storage cavity 103 or discharge the waste liquid, a liquid supplementing pipe 1011 communicating with the liquid storage cavity 103 is arranged on the spray casing 101, and a stop valve 1012 is arranged on the liquid supplementing pipe 1011.
In order to enable the waste gas to flow upwards after entering the first spraying cavity 104, the waste gas inlet pipe 4 is communicated with the first spraying cavity 104, a water-resisting pore plate 8 and a water absorbing layer 9 are arranged at an air outlet of the waste gas inlet pipe 4, the water absorbing layer 9 is sponge, and a plurality of transverse through holes are formed in the sponge, so that the waste gas can enter the first spraying cavity 104 through the waste gas inlet pipe 4; simultaneously, can avoid the first liquid that sprays in the chamber 104 to enter into waste gas and advance in managing 4, block the liquid that splashes through water proof orifice plate 8, can also absorb through the sponge, because waste gas continuously gets into, can weather the liquid on the sponge, keep the adsorption efficiency that the sponge has.
In the explanation of the present invention, it should be noted that the terms "first", "second", and the like are only for convenience of description and understanding, and do not limit the number of usage, the order of installation, or the degree of importance of specific technical features.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides a waste gas treatment equipment with spray, photodissociation, active carbon adsorption function which characterized in that: the device comprises a spray tower (1), an adsorption device (2) and a UV photolysis device (3) which are sequentially communicated, wherein the spray tower (1) is connected with a waste gas inlet pipe (4), and the UV photolysis device (3) is connected with a gas discharge pipe (5);
the adsorption device (2) comprises an adsorption shell (21) communicated with the spray tower (1), an upper buffer area (23), an adsorption area (24) and a lower buffer area (25) are separated from the interior of the adsorption shell (21) through two rectifying plates (22) arranged at intervals, and the adsorption area (24) is filled with shell activated carbon;
UV photolysis device (3) include with photolysis casing (31) of lower buffer (25) intercommunication, the interval is equipped with TiO2 net (32), carbon fiber net (33) and silica gel absorption net (34) in proper order in photolysis casing (31), install a plurality of UV ultraviolet lamp (35) in photolysis casing (31).
2. The waste gas treatment equipment with the functions of spraying, photolysis and activated carbon adsorption according to claim 1, characterized in that: the wavelength of the ultraviolet light emitted by the UV ultraviolet lamp (35) is 170 nm-185 nm.
3. The waste gas treatment equipment with the functions of spraying, photolysis and activated carbon adsorption according to any one of claims 1-2, characterized in that: the photolysis shell (31) is provided with a one-way ventilation valve (6) for one-way ventilation towards the interior of the photolysis shell.
4. The waste gas treatment equipment with the functions of spraying, photolysis and activated carbon adsorption according to claim 3, characterized in that: spray tower (1) is including spraying casing (101), it is separated for stock solution chamber (103), first chamber (104), the second sprays chamber (105) and adsorbs chamber (106) from bottom to top through 4 otter boards (102) to spray casing (101) inside, and wherein first chamber (104) and the second of spraying are sprayed and are all installed in chamber (105) and spray fluffy head (107), be equipped with between stock solution chamber (103) and the fluffy head (107) of spraying and spray circulation system, it is filled with the lime stone to adsorb chamber (106) intussuseption.
5. The waste gas treatment equipment with the functions of spraying, photolysis and activated carbon adsorption according to claim 4, characterized in that: the spraying circulation system comprises a circulation pump (108), a liquid inlet of the circulation pump (108) is communicated with the liquid storage cavity (103) through a liquid inlet pipe (109), and a liquid outlet of the circulation pump (108) is communicated with the spraying shower head (107) through a liquid outlet pipe (1010).
6. The waste gas treatment equipment with the functions of spraying, photolysis and activated carbon adsorption according to claim 4, characterized in that: be equipped with on spraying casing (101) and liquid storage cavity (103) intercommunication liquid supply pipe (1011), be equipped with stop valve (1012) on liquid supply pipe (1011).
7. The waste gas treatment equipment with the functions of spraying, photolysis and activated carbon adsorption according to claim 4, characterized in that: the first spraying cavity (104) and the second spraying cavity (105) are respectively provided with a cylindrical buffer block (7), and the buffer blocks (7) are provided with a plurality of through holes which are staggered transversely and longitudinally.
8. The waste gas treatment equipment with the functions of spraying, photolysis and activated carbon adsorption according to claim 4, characterized in that: the waste gas inlet pipe (4) is communicated with the first spraying cavity (104), and a water-resisting pore plate (8) and a water absorbing layer (9) are arranged at an air outlet of the waste gas inlet pipe (4).
9. The waste gas treatment equipment with the functions of spraying, photolysis and activated carbon adsorption according to claim 8, characterized in that: the water absorbing layer (9) is sponge, and a plurality of transverse through holes are formed in the sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920943131.1U CN210613311U (en) | 2019-06-21 | 2019-06-21 | Waste gas treatment equipment with spraying, photolysis and activated carbon adsorption functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920943131.1U CN210613311U (en) | 2019-06-21 | 2019-06-21 | Waste gas treatment equipment with spraying, photolysis and activated carbon adsorption functions |
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| CN210613311U true CN210613311U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920943131.1U Active CN210613311U (en) | 2019-06-21 | 2019-06-21 | Waste gas treatment equipment with spraying, photolysis and activated carbon adsorption functions |
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| CN (1) | CN210613311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414064A (en) * | 2020-11-18 | 2021-02-26 | 绍兴慧行智能科技有限公司 | Printing and dyeing dryer with waste gas purification function |
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2019
- 2019-06-21 CN CN201920943131.1U patent/CN210613311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414064A (en) * | 2020-11-18 | 2021-02-26 | 绍兴慧行智能科技有限公司 | Printing and dyeing dryer with waste gas purification function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220803 Address after: 610000 No. 55-63, Tianren South Street, Tianpeng Town, Pengzhou City, Chengdu City, Sichuan Province Patentee after: CHENGDU EKKONG ENVIRONMENTAL ENGINEERING Co.,Ltd. Address before: No.191, west section of Wan'an Road, Wan'an street, Tianfu New District, Chengdu, Sichuan 610000 Patentee before: Sichuan Zhongzhi Environmental Protection Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |