CN222034158U - An exhaust gas purification device for laboratory waste temporary storage cabinet - Google Patents
An exhaust gas purification device for laboratory waste temporary storage cabinet Download PDFInfo
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- CN222034158U CN222034158U CN202420535935.9U CN202420535935U CN222034158U CN 222034158 U CN222034158 U CN 222034158U CN 202420535935 U CN202420535935 U CN 202420535935U CN 222034158 U CN222034158 U CN 222034158U
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- chamber
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- treatment
- temporary storage
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- 239000002699 waste material Substances 0.000 title claims abstract description 45
- 238000000746 purification Methods 0.000 title claims abstract description 9
- 238000011282 treatment Methods 0.000 claims abstract description 60
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 40
- 239000007789 gas Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000002912 waste gas Substances 0.000 claims abstract description 29
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 39
- 238000011221 initial treatment Methods 0.000 claims description 18
- 238000007539 photo-oxidation reaction Methods 0.000 claims description 18
- 238000001179 sorption measurement Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 17
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000010354 integration Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- 229910052760 oxygen Inorganic materials 0.000 abstract 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 238000010517 secondary reaction Methods 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000002920 hazardous waste Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000245772 Gasteria Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
本实用新型公开的一种实验室废弃物暂存柜用的废气净化装置，涉及实验室辅助设备技术领域，包括抽风机11、进气口2和排气口7，还包括初步处理箱6、UV光氧分解室5、初处理气汇聚箱8、中和处理室10以及中和液存放池12；所述初处理气汇聚箱8的一侧连接抽风机11的抽风入口，其上部依次设置初步处理箱6和进气口2，所述UV光氧分解室5设置在初步处理箱6内；所述中和处理室10的上端连接排气口7，其中下部通过风管连接抽风机11的排风出口，其下部连接中和液存放池12。具有设备集成度高、占地面积小、安装拆卸简洁、处理高效全面、适用于实验室废弃物暂存柜用的废气处理等特点，适用于对实验室废弃物暂存柜的废气进行净化处理。
The utility model discloses an exhaust gas purification device for laboratory waste temporary storage cabinets, which relates to the technical field of laboratory auxiliary equipment, including an exhaust fan 11, an air inlet 2 and an exhaust port 7, and also includes a preliminary treatment box 6, a UV light oxygen decomposition chamber 5, a preliminary treatment gas convergence box 8, a neutralization treatment chamber 10 and a neutralization liquid storage tank 12; one side of the preliminary treatment gas convergence box 8 is connected to the exhaust inlet of the exhaust fan 11, and the upper part thereof is sequentially provided with the preliminary treatment box 6 and the air inlet 2, and the UV light oxygen decomposition chamber 5 is arranged in the preliminary treatment box 6; the upper end of the neutralization treatment chamber 10 is connected to the exhaust port 7, wherein the lower part thereof is connected to the exhaust outlet of the exhaust fan 11 through an air duct, and the lower part thereof is connected to the neutralization liquid storage tank 12. It has the characteristics of high equipment integration, small footprint, simple installation and disassembly, efficient and comprehensive treatment, and is suitable for waste gas treatment for laboratory waste temporary storage cabinets, and is suitable for purifying waste gas from laboratory waste temporary storage cabinets.
Description
Technical Field
The utility model relates to the technical field of laboratory auxiliary equipment, in particular to an exhaust gas purifying device for a laboratory waste temporary storage cabinet.
Background
In the prior art, when laboratory hazardous waste is stored in a temporary storage cabinet, a large amount of poisonous and acid gas and bacteria, microorganisms, viruses, organic pollutants and the like which are bred can be generated and scattered in facilities, and cannot be directly discharged, and the laboratory hazardous waste can be discharged into the air after being purified and treated to reach the discharge standard. At present, the treatment of such waste gases mostly adopts an activated carbon adsorption mode.
"A centralized real-time treatment system for laboratory wastes" disclosed in chinese patent (patent application No. 2018109401922), wherein the waste liquid neutralization device performs neutralization treatment on the waste liquid according to the monitored PH value of the waste liquid therein; the waste liquid buffer device is connected with the waste liquid neutralization device; the premixing device is connected with the waste liquid caching device and is provided with an atomizer and a primary air inlet for introducing air; the primary reaction device carries out evaporation and cracking reaction on the waste gas-liquid-solid mixture sent from the premixing device; the particle collecting device is used for collecting the solid particles separated by the primary reaction device; the rest waste gas-liquid mixture is collected into a secondary reaction device from the outlet of the particle collecting device; a temperature monitoring point and a secondary air pipe for introducing hot air are arranged on the secondary reaction device; the signal end of the temperature monitoring point is connected with the control end of the regulating valve of the secondary air supply device; the purification device is used for purifying the secondary product from the secondary reaction device.
Another chinese patent (patent application number 2019104781667) discloses an intensive laboratory waste treatment system, which comprises a waste collection box, waste collection box top is provided with exhaust treatment device, waste collection box includes solid useless collection room and waste liquid collection room, including the sediment overflow arrangement that sets gradually in the waste liquid collection room, acid-base neutralization device, the flocculation basin, heavy metal treatment device, a disinfection section of thick bamboo and water collecting tank, heavy metal treatment device includes the filtration sieve section of thick bamboo, the filtration sieve section of thick bamboo is connected with the flocculation basin through the pipeline, be provided with the fourth valve on the pipeline between filtration sieve section of thick bamboo and flocculation basin, be provided with the milipore filter in the filtration sieve section of thick bamboo, the active carbon has been inlayed in the water purification section of thick bamboo. Through the intensive laboratory waste treatment system designed, acidic and alkaline substances, heavy metal ions and the like in the waste liquid can be treated, so that the pollution of laboratory waste to the environment is reduced, and the environmental protection performance is improved.
The laboratory waste temporary storage cabinet disclosed in China patent (patent application number 2018212231941) comprises a cabinet body, a control system, an auxiliary system and a power supply system, wherein the control system comprises an intelligent monitoring device, an intelligent adjusting device and a communication device, the intelligent monitoring device is used for monitoring environmental information in the cabinet body, the intelligent adjusting device is used for adjusting the environmental information in the cabinet body, and the communication device is used for carrying out emergency communication; the auxiliary system comprises a treatment device and a ventilation device, wherein the treatment device comprises an exhaust gas liquid treatment module and a liquid leakage recovery module, the ventilation device comprises a main power fan and an unpowered fan, and the ventilation device enables air inside and outside the cabinet body to be communicated.
The waste gas purifying device for the laboratory waste temporary storage cabinet disclosed in China patent (patent application number 2020226015521) comprises a shell, wherein an exhaust fan communicated with the inside of the shell is arranged on the back surface of the shell, an exhaust pipe is communicated with the back surface of the shell, and two mounting plates and two positioning mechanisms are fixedly connected to the bottom and the top surface of the shell; the side part of the shell is provided with an opening, and a purifying component is arranged at the opening; the purifying component comprises a containing bin; the top of the accommodating bin is provided with an opening, the inside of the accommodating bin is filled with honeycomb activated carbon, the side wall of the accommodating bin is fixedly connected with a sealing plate, and ventilation nets are arranged on the front surface and the back surface of the accommodating bin; the top and the bottom of shrouding are fixedly connected with fixed plate respectively, and the lateral wall of fixed plate is connected with through the round pin axle rotation with positioning mechanism complex locating plate.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the waste gas treatment device which has the advantages of high equipment integration level, small occupied area, simplicity in installation and disassembly, high efficiency and comprehensive treatment and is suitable for a laboratory waste temporary storage cabinet.
In order to solve the technical problems, the technical scheme adopted by the utility model is to design an exhaust gas purifying device for a laboratory waste temporary storage cabinet: the device comprises an exhaust fan 11, an air inlet 2, an air outlet 7, a primary treatment box 6, a UV photooxidation decomposition chamber 5, a primary treatment gas converging box 8, a neutralization treatment chamber 10 and a neutralization liquid storage tank 12; one side of the primary treatment gas converging box 8 is connected with an exhaust inlet of an exhaust fan 11, the upper part of the primary treatment gas converging box is sequentially provided with a primary treatment box 6 and an air inlet 2, and the UV photooxidation decomposition chamber 5 is arranged in the primary treatment box 6; the upper end of the neutralization treatment chamber 10 is connected with an exhaust port 7, the lower part of the neutralization treatment chamber is connected with an exhaust outlet of an exhaust fan 11 through an air pipe, and the lower part of the neutralization treatment chamber is connected with a neutralization liquid storage tank 12.
Neutralization reaction observation windows 9 are also respectively formed in the middle upper part and the middle lower part of the neutralization treatment chamber 10.
An activated carbon adsorption box 1 is further arranged between the UV photooxidation decomposition chamber 5 of the primary treatment box 6 and the primary treatment gas converging box 8, and activated carbon for adsorption is arranged in the activated carbon adsorption box 1.
A coarse filter chamber 4 is further provided between the UV photooxidation chamber 5 of the preliminary treatment tank 6 and the air inlet 2, and a filter screen for filtering is installed in the coarse filter chamber 4.
The filter screen is an acid-alkali-resistant stainless steel filter screen or a nylon filter screen.
A diversion chamber 3 is further arranged between the rough filtration chamber 4 of the preliminary treatment box 6 and the air inlet 2, and a plurality of fine holes are formed in the inner bottom surface of the diversion chamber 3.
The fine holes on the inner bottom surface of the diversion chamber 3 are distributed in a strip shape.
The diversion chamber 3, the rough filtration chamber 4, the UV photooxidation decomposition chamber 5 and the activated carbon adsorption box 1 which are arranged in the preliminary treatment box 6 can be pulled out and pushed in.
The waste gas purifying device for the laboratory waste temporary storage cabinet has higher integration level and smaller occupied area, so that the waste gas purifying device can be conveniently arranged at one end of the laboratory waste temporary storage cabinet; meanwhile, as the fittings in the equipment all adopt standard components, the equipment is simple to detach, replace and install, and is convenient for subsequent maintenance. In addition, in the equipment design, the waste gas types generated by laboratory waste are fully considered, so the waste gas purification treatment is efficient and comprehensive.
Drawings
Fig. 1 is a schematic diagram of the present utility model, wherein: the diversion chamber 3, the rough filtration chamber 4 and the activated carbon adsorption box 1 are in the extraction state.
In the figure:
The device comprises an active carbon adsorption box 1, an air inlet 2, a diversion chamber 3, a rough filtration chamber 4, a UV photooxidation decomposition chamber 5, a preliminary treatment box 6, an air outlet 7, a preliminary treatment gas convergence box 8, a neutralization liquid adding port 9, a neutralization treatment chamber 10, an exhaust fan 11 and a neutralization liquid storage tank 12.
Detailed Description
The utility model is further described below with reference to the drawings and examples. The following description is by way of example only, and the scope of the utility model should not be limited thereto.
Examples:
The waste gas purifying device for the laboratory waste temporary storage cabinet of the embodiment is composed of an active carbon adsorption box 1, an air inlet 2, a diversion chamber 3, a rough filtration chamber 4, a UV photooxidation decomposition chamber 5, a preliminary treatment box 6, an air outlet 7, a preliminary treatment gas converging box 8, a neutralization liquid adding port 9, a neutralization treatment chamber 10, an exhaust fan 11 and a neutralization liquid storage pool 12.
The upper end of the preliminary treatment tank 6 is connected with an air inlet 2, a diversion chamber 3, a rough filtration chamber 4, a UV photooxidation decomposition chamber 5 and an activated carbon adsorption tank 1 which can be pulled out and pushed in are sequentially arranged downwards, and the lower part of the preliminary treatment tank is connected with a preliminary treatment gas converging tank 8.
The inner bottom surface of the diversion chamber 3 is provided with a plurality of strip-shaped fine holes which are used for dispersing the waste gas pumped in by the air inlet 2 into the rough filtration chamber 4 at the lower part of the diversion chamber uniformly.
An acid-alkali-resistant stainless steel filter screen or a nylon filter screen is arranged in the coarse filter chamber 4 and is used for preliminarily filtering suspended matters and large particles in the waste gas.
The UV photooxidation chamber 5 is provided therein with a UV photooxidation treatment device for killing and removing bacteria, microorganisms, and viruses in the exhaust gas by ultraviolet rays and ozone generated therefrom and decomposing organic pollutants into low molecular compounds.
The activated carbon adsorption box 1 is filled with activated carbon for adsorption and is used for adsorbing partial dust and harmful waste gas.
One side of the primary treatment gas converging box 8 is connected with an exhaust inlet of an exhaust fan 11, and is used for converging the exhaust gas from the activated carbon adsorption box 1 and discharging the exhaust gas to the neutralization treatment chamber 10 through the exhaust fan 11.
The suction fan 11 is centrifugal and corrosion resistant.
An atomization spraying assembly comprising a liquid pump, an atomizer and a spraying component is arranged in the neutralization treatment chamber 10, the upper part of the atomization spraying assembly is connected with an exhaust port 7, and the lower part of the atomization spraying assembly is connected with a neutralization liquid storage tank 12 for storing neutralization liquid; the upper part and the middle lower part of the reaction chamber are respectively provided with a neutralization reaction observation window 9, and the lower part of the reaction chamber is connected with an exhaust outlet of an exhaust fan 11. The neutralization treatment chamber 10 is mainly used for fully mixing, contacting and absorbing the exhaust gas extracted from the primary treatment gas converging box 8 by the exhaust fan 11 and the neutralizing liquid mist sprayed by the spraying component, so as to form mist drops and settle.
Before use, the exhaust gas purification device for the laboratory waste temporary storage cabinet of the embodiment is installed at one end of the laboratory waste temporary storage cabinet, and the air inlet 2 is connected with an indoor outward exhaust pipe of the laboratory waste temporary storage cabinet.
When the waste gas treatment device is used, waste gas (suction force generated by the suction fan 11) extracted from a laboratory waste temporary storage cabinet enters the upper part of the inner cavity of the preliminary treatment box 6 through the air inlet 2, passes through a plurality of strip-shaped fine holes on the inner bottom surface of the guide chamber 3, is uniformly led in and passes through the coarse filter chamber 4, and suspended matters and large particles in the waste gas are absorbed by the coarse filter chamber 4 through an acid-alkali-resistant stainless steel filter screen or a nylon filter screen in the coarse filter chamber 4; then, the waste gas preliminarily absorbed by the coarse filter chamber 4 reaches the UV photooxidation decomposition chamber 5, and the lamp in the UV photooxidation decomposition chamber 5 kills and removes bacteria, microorganisms and viruses in the waste gas through ultraviolet rays and ozone and decomposes organic pollutants into low-molecular compounds; then, the waste gas is further absorbed by the activated carbon in the activated carbon adsorption box 1 to become primary treatment waste gas, and the primary treatment waste gas enters the primary treatment gas converging box 8; then, the waste gas is conveyed to a neutralization treatment chamber 10 by a centrifugal exhaust fan 11, and the neutralization liquid mist sprayed by a spraying component is fully mixed with the waste gas for neutralization and absorption according to the acidity and alkalinity of the gas in the waste gas, so that the treated waste gas can be discharged through an exhaust port 7 after reaching the discharge standard; the neutralized liquid mist which neutralizes and absorbs the exhaust gas is formed into mist droplets and is deposited in the neutralized liquid storage tank 12 in the lower part of the neutralization treatment chamber 10.
The diversion chamber 3, the rough filtration chamber 4, the UV photooxidation decomposition chamber 5 and the activated carbon adsorption box 1 which are arranged in the preliminary treatment box 6 can be pulled out and pushed in, so that the device is simple to detach, replace and install, and particularly convenient for subsequent maintenance.
The waste gas purifying device for the laboratory waste temporary storage cabinet is suitable for purifying waste gas of the laboratory waste temporary storage cabinet.
Claims (8)
1. The utility model provides an exhaust purification device that cabinet was used is kept in to laboratory discarded object, includes air exhauster (11), air inlet (2) and gas vent (7), its characterized in that: the device also comprises a preliminary treatment tank (6), a UV photooxidation decomposition chamber (5), a primary treatment gas converging tank (8), a neutralization treatment chamber (10) and a neutralization liquid storage tank (12); one side of the primary treatment gas converging box (8) is connected with an exhaust inlet of an exhaust fan (11), the upper part of the primary treatment gas converging box is sequentially provided with a primary treatment box (6) and an air inlet (2), and the UV photooxidation decomposition chamber (5) is arranged in the primary treatment box (6); the upper end of the neutralization treatment chamber (10) is connected with an exhaust port (7), the lower part of the neutralization treatment chamber is connected with an exhaust outlet of an exhaust fan (11) through an air pipe, and the lower part of the neutralization treatment chamber is connected with a neutralization liquid storage tank (12).
2. The exhaust gas purifying apparatus for a laboratory waste temporary storage cabinet according to claim 1, wherein: neutralization reaction observation windows (9) are respectively arranged at the middle upper part and the middle lower part of the neutralization treatment chamber (10).
3. An exhaust gas purification apparatus for a laboratory waste temporary storage cabinet according to claim 1 or 2, characterized in that: an activated carbon adsorption box (1) is further arranged between the UV photooxidation decomposition chamber (5) of the preliminary treatment box (6) and the preliminary treatment gas converging box (8), and activated carbon for adsorption is arranged in the activated carbon adsorption box (1).
4. A waste gas purifying apparatus for a laboratory waste temporary storage cabinet according to claim 3, wherein: a coarse filter chamber (4) is further arranged between the UV photooxidation decomposition chamber (5) of the preliminary treatment box (6) and the air inlet (2), and a filter screen for filtering is arranged in the coarse filter chamber (4).
5. The exhaust gas purifying apparatus for a laboratory waste temporary storage cabinet according to claim 4, wherein: the filter screen is an acid-alkali-resistant stainless steel filter screen or a nylon filter screen.
6. The exhaust gas purifying apparatus for a laboratory waste temporary storage cabinet according to claim 5, wherein: a diversion chamber (3) is further arranged between the rough filtration chamber (4) of the preliminary treatment box (6) and the air inlet (2), and a plurality of fine holes are formed in the inner bottom surface of the diversion chamber (3).
7. The exhaust gas purifying apparatus for a laboratory waste temporary storage cabinet according to claim 6, wherein: the fine holes on the inner bottom surface of the diversion chamber (3) are distributed in a strip shape.
8. The exhaust gas purifying apparatus for a laboratory waste temporary storage cabinet according to claim 7, wherein: the diversion chamber (3), the coarse filtration chamber (4), the UV photooxidation decomposition chamber (5) and the activated carbon adsorption box (1) which are arranged in the preliminary treatment box (6) can be pulled out and pushed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420535935.9U CN222034158U (en) | 2024-03-19 | 2024-03-19 | An exhaust gas purification device for laboratory waste temporary storage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420535935.9U CN222034158U (en) | 2024-03-19 | 2024-03-19 | An exhaust gas purification device for laboratory waste temporary storage cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222034158U true CN222034158U (en) | 2024-11-22 |
Family
ID=93501367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420535935.9U Active CN222034158U (en) | 2024-03-19 | 2024-03-19 | An exhaust gas purification device for laboratory waste temporary storage cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222034158U (en) |
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2024
- 2024-03-19 CN CN202420535935.9U patent/CN222034158U/en active Active
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