CN211988022U - Comprehensive waste gas treatment equipment for laboratory - Google Patents
Comprehensive waste gas treatment equipment for laboratory Download PDFInfo
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- CN211988022U CN211988022U CN202020344285.1U CN202020344285U CN211988022U CN 211988022 U CN211988022 U CN 211988022U CN 202020344285 U CN202020344285 U CN 202020344285U CN 211988022 U CN211988022 U CN 211988022U
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Abstract
The utility model discloses a comprehensive waste gas treatment device for a laboratory, which relates to the technical field of environmental protection, and comprises a waste gas treatment device, wherein the waste gas treatment device is provided with an air inlet and an air outlet, the air inlet is communicated with an air outlet of the laboratory, and the air outlet is communicated with the outside of the laboratory; a cavity is arranged in the waste gas treatment equipment; the cavity is internally provided with a UV photocatalysis treatment unit, an acid-base waste gas adsorbent and an organic toxic biological waste gas adsorbent. The laboratory comprehensive waste gas treatment equipment effectively purifies waste gas generated by a chemical laboratory through the waste gas treatment equipment, and discharges the waste gas after the waste gas reaches the national comprehensive waste gas discharge standard, thereby realizing the safe discharge of harmful gas; the organic waste gas is degraded through a UV photocatalysis treatment unit in the waste gas treatment equipment, and the acid-base waste gas, the organic toxic and biological waste gas in the waste gas are further removed through an acid-base waste gas adsorbent and an organic toxic biological waste gas adsorbent in the waste gas treatment equipment.
Description
Technical Field
The utility model relates to an environmental protection technical field, concretely relates to exhaust-gas treatment equipment is synthesized in laboratory.
Background
For some colleges or enterprises engaged in chemical research and development, a special chemical laboratory is set up, and during the research and development of chemicals, the laboratory generates some waste gases, which mainly include acidic waste gases, alkaline waste gases, organic toxic biological waste gases and the like, wherein the acidic waste gases are waste gases generated by various acids in the laboratory; alkaline exhaust gas is exhaust gas generated by various alkalis in a laboratory; the organic toxic biological waste gas refers to various waste gases in a laboratory, such as benzene, toluene, xylene, phenols, formaldehyde, acetaldehyde, acrylonitrile, acrolein, hydrogen fluoride, methanol, anilines, chlorobenzenes, nitrobenzenes, ethers, mixed hydrocarbons, acrylketone and the like.
Most of these laboratory waste gases are harmful gases, need obtain timely emission and just can guarantee laboratory personnel's safety, and the mode of current many chemistry laboratory air discharges is through the fan with the air direct discharge to external space, though indoor relatively safe, but directly discharge in the external air, can lead to outdoor potential safety hazard increase, have great limitation.
Disclosure of Invention
Therefore, the utility model provides a waste gas treatment equipment is synthesized in laboratory to solve current chemistry laboratory waste gas and discharge the problem that there is the potential safety hazard outdoors.
In order to achieve the above object, the present invention provides the following technical solutions:
according to a first aspect of the present invention, a laboratory integrated waste gas treatment device, said device comprising a waste gas treatment device, said waste gas treatment device being provided with an air inlet and an air outlet, said air inlet being in communication with an air outlet of a laboratory, said air outlet being in communication with the outside of the laboratory; a cavity is arranged in the waste gas treatment equipment; and a UV photocatalytic treatment unit, an acid-base waste gas adsorbent and an organic toxic biological waste gas adsorbent are arranged in the cavity.
Furthermore, a plurality of partition plates are arranged in the cavity, and divide the cavity into a plurality of sub-cavities; the partition plate is provided with a plurality of air holes.
Furthermore, the UV photocatalytic treatment unit, the acid-base waste gas adsorbent and the organic toxic biological waste gas adsorbent are respectively arranged in a sub-cavity from the air inlet end to the air outlet end of the waste gas treatment equipment in the cavity.
Furthermore, the air inlet of the waste gas treatment equipment is communicated with the air outlet of the laboratory through an air inlet pipeline, and the air outlet of the waste gas treatment equipment is communicated with the outside of the laboratory through an air outlet pipeline.
Further, the air inlet pipeline comprises a main air inlet pipeline and a plurality of branch air inlet pipelines, and each branch air inlet pipeline is communicated with the main air inlet pipeline; each branch inlet duct is communicated with the air outlet of each laboratory.
Further, the equipment also comprises a centrifugal fan, and the centrifugal fan is arranged on the exhaust pipeline.
Further, rain-proof cap is installed to the one end that exhaust duct deviates from exhaust-gas treatment equipment.
Further, the UV photocatalytic treatment unit comprises a plurality of high-ozone ultraviolet lamps and a titanium dioxide catalyst, wherein the high-ozone ultraviolet lamps are arranged in the cavity, and the titanium dioxide catalyst is distributed in the cavity.
And a waste gas decoloring and deodorizing adsorbent is also arranged in the cavity.
The utility model has the advantages of as follows:
the utility model relates to a laboratory comprehensive waste gas treatment device which effectively purifies waste gas generated in a chemical laboratory through waste gas treatment equipment and discharges the waste gas after the waste gas reaches the national comprehensive waste gas discharge standard, thereby realizing the safe discharge of harmful gas; the organic waste gas is degraded through a UV photocatalysis treatment unit in the waste gas treatment equipment, and the acid-base waste gas and the organic toxic biological waste gas in the waste gas are further removed through an acid-base waste gas adsorbent and an organic toxic biological waste gas adsorbent in the waste gas treatment equipment.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a schematic structural diagram of a laboratory comprehensive waste gas treatment device provided by the utility model 1;
fig. 2 is a schematic view of an internal structure of the exhaust gas treatment apparatus provided by the present invention 1;
in the figure: waste gas treatment equipment 1, air inlet 11, gas outlet 12, high ozone type ultraviolet lamp 2, acid-base waste gas adsorbent 3, organic poisonous biological waste gas adsorbent 4, baffle 5, admission line 6, main admission line 61, branch admission line 62, exhaust duct 7, centrifugal fan 8, rain-proof cap 9.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The laboratory comprehensive waste gas treatment equipment shown in the figures 1-2 comprises waste gas treatment equipment 1, wherein the waste gas treatment equipment 1 is provided with a gas inlet 11 and a gas outlet 12, the gas inlet 11 is communicated with a gas outlet of a laboratory, and the gas outlet 12 is communicated with the outside of the laboratory. Waste gas generated by a chemical laboratory is effectively treated by the waste gas treatment equipment 1 to reach the national comprehensive waste gas emission standard (GB 16297-1996) and then is discharged, so that the safe emission of harmful gas is realized.
A cavity is arranged in the waste gas treatment equipment 1; two partition plates 5 are arranged in the cavity, and the cavity is divided into three sub-cavities by the two partition plates 5; the partition plate 5 is provided with a plurality of air holes. The three sub-cavities are respectively provided with the UV photocatalytic treatment unit, the acid-base waste gas adsorbent 3 and the organic toxic biological waste gas adsorbent 4 from the gas inlet 11 end to the gas outlet 12 end of the waste gas treatment equipment 1. Through exhaust-gas treatment equipment 1 sets gradually UV photocatalysis processing unit respectively acid-base waste gas adsorbent 3 with organic poisonous biological class waste gas adsorbent 4 makes laboratory waste gas carry out the cubic through three minute chamber in proper order and purifies, realizes the effective purification of waste gas.
UV photocatalysis treatment unit includes a plurality of high ozone type ultraviolet lamp 2 and titanium dioxide catalyst, high ozone type ultraviolet lamp 2 is installed in arranging the minute intracavity of UV photocatalysis treatment unit equipment, and titanium dioxide catalyst evenly distributed is in the minute intracavity of UV photocatalysis treatment unit equipment. Degrading organic waste gas by using high ozone type ultraviolet light beam, oxidation reaction catalyst and other processes, and changing waste gas (such as ammonia, trimethylamine, hydrogen sulfide, methylthio hydrogen, methyl mercaptan, methyl sulfide, dimethyl disulfide, carbon disulfide, styrene, sulfide H2S, VOC type benzene, toluene, and xylene), so that organic or inorganic polymer molecule chain of malodorous compound can be degraded and converted into low molecular compound, such as CO, by high-energy ultraviolet light beam irradiation, oxidation reaction of catalyst, and oxidation reaction of positive oxygen ion2、H2O, and the like. The working principle is as follows: (1) the high-energy high-ozone UV light beam is utilized to decompose oxygen molecules in the air to generate free oxygen, namely active oxygen, and the free oxygen is required to be combined with the oxygen molecules because positive and negative electrons carried by the free oxygen are unbalanced, so that ozone is generated. UV + O2→ O- + O (active oxygen) O + O2→O3(ozone), it is known that ozone has a strong oxidizing effect on organic substances and has an instant effect of removing malodorous gases and other irritating odors. After the malodorous gas is input into the purification equipment by using the exhaust equipment, the purification equipment uses high-energy UV light beams and ozone to carry out a synergistic decomposition oxidation reaction on the malodorous gas, so that the malodorous gas is degraded and converted into low-molecular compounds, water and carbon dioxide, and then is discharged outdoors through an exhaust pipeline. (2) The titanium dioxide catalyst generates superoxide anion free radicals and hydroxyl free radicals with strong chemical activity when being irradiated by ultraviolet light, attacks organic matters and achieves the effect of degrading the organic matters. The titanium dioxide belongs to a non-dissolution type material, can not be decomposed and dissolved out when the titanium dioxide is used for thoroughly decomposing organic pollutants and killing and sterilizing, has a lasting photocatalytic effect, and has lasting effects of sterilizing and degrading pollutants.
The acidic and alkaline waste gas adsorbent 3 comprises an acidic waste gas adsorbent and an alkaline waste gas adsorbent. The acid waste gas adsorbent is a solid granular inorganic substance with large specific surface area, and when the acid waste gas in the laboratory comprehensive gas reaches the surface adsorption force field of the adsorbent by diffusion movement, the acid waste gas is fixed on the surface of the adsorbent and then reacts with active ingredients in the acid waste gas to generate a new neutral salt substance which is stored in the adsorbent structure. The adsorbent is a multifunctional comprehensive function for purifying acid waste gas, and has the functions of chemical adsorption, particle adsorption, catalysis, chemical reaction and the like besides general physical adsorption. The characteristics are as follows: (1) the device can purify a plurality of laboratory acidic waste gases simultaneously; (2) the extremely high purification efficiency can be achieved, and the device can be designed according to the requirements of users; (3) the use and maintenance are very simple and convenient; (4) no special requirement on environmental conditions, and no antifreezing treatment in winter; (5) the use is safe; (6) no secondary pollution.
The main component of the alkaline waste gas adsorbent is aluminium dihydrogen tripolyphosphate, and the alkaline waste gas adsorbent has selective adsorption capacity on alkaline waste gas in laboratory comprehensive waste gas such as ammonia, amine and the like. Aluminum tripolyphosphate is a solid acid, and as an alkaline waste gas adsorbent, the aluminum tripolyphosphate is 1, white powder which is insoluble in water and can be granulated; 2. the acid strength is small, the acidity is high, and the theoretical value is 6.3 mmol; 3. the selective adsorption of alkaline gases, such as inorganic ammonia and organic amines of malodor sources, is not physical adsorption but chemical adsorption, and thus has better treatment effect than adsorbents such as activated carbon.
The organic toxic biological waste gas adsorbent 4 is cylindrical coal carbon or amorphous crushed coal carbon which is produced by using cananga coal, anthracite, lignite, lean coal, coking coal, coal gangue, asphalt and the like as raw materials, adopting a high-temperature steam activation process and carrying out extrusion forming or crushing screening refining. Functional characteristics: has the characteristics of larger specific surface area, developed pore structure, excellent adsorption performance, high wear-resistant mechanical strength, flushing resistance, easy regeneration and the like. The application is as follows: the method is widely applied to liquid phase adsorption and gas phase adsorption in the industries of comprehensive waste gas, life, national defense, environmental protection and the like in a laboratory. The composite material is particularly suitable for flue gas desulfurization, solvent recovery, catalyst carriers, air purification, industrial protection, high-efficiency adsorption gas masks of harmful gases, dioxin removal, room decoration, deodorization and odor removal, automobile exhaust purification and biological activated carbon carriers, and particularly has remarkable effects of decoloring, odor removal, filtration, purification and recovery on organic waste gases such as benzene, toluene, xylene, phenols, formaldehyde, acetaldehyde, acrylonitrile, acrolein, hydrogen fluoride, methanol, anilines, chlorobenzenes, nitrobenzenes, ethers, mixed hydrocarbons, acetone benzene, ether, trichloromethane, carbon tetrachloride and the like.
An air inlet 11 of the waste gas treatment equipment 1 is communicated with an air outlet of a laboratory through an air inlet pipeline 6, and an air outlet 12 is communicated with the outside of the laboratory through an air outlet pipeline 7.
The air intake duct 6 includes a main air intake duct 61 and a plurality of sub air intake ducts 62, each of the sub air intake ducts 62 communicating with the main air intake duct 61; each of the branch air intake ducts 62 communicates with the air outlet of each laboratory. Through above-mentioned technical scheme, can adopt same exhaust-gas treatment equipment setting 1 to concentrate purification treatment with the waste gas in a plurality of laboratories.
The device further comprises a centrifugal fan 8, the centrifugal fan 8 being arranged on the exhaust duct 7. The centrifugal fan 8 is a glass fiber reinforced plastic centrifugal fan with the model F4-72-3.5A, and has the characteristics of acid and alkali corrosion resistance, the power is 2.2KW, the air volume is 5286m/h, and the air pressure is 989 Pa. Through the technical scheme, the circulation of gas can be accelerated by utilizing the power of the centrifugal fan 8, so that the toxic gas in a laboratory can be rapidly discharged and purified.
Rain-proof cap 9 is installed to the one end that exhaust duct 7 deviates from exhaust-gas treatment equipment 1. Through above-mentioned technical scheme, can prevent effectively that the rainwater from damaging exhaust duct 7 and increase and purify the burden in getting into exhaust duct 7.
Example 2
This example is the same as example 1 except that the following technical features are different from example 1:
and a waste gas decoloring and deodorizing adsorbent is also arranged in the cavity.
Three partition plates 5 are arranged in the cavity, and the cavity is divided into four sub-cavities by the three partition plates 5; the four sub-cavities are respectively provided with the UV photocatalysis treatment unit equipment, the acid-base waste gas adsorbent 3, the organic toxic biological waste gas adsorbent 4 and the waste gas decoloration and odor removal adsorbent from the end of an air inlet 11 to the end of an air outlet 12 of the waste gas treatment equipment 1. The laboratory waste gas decoloration odor removal adsorbent is produced by taking imported coconut shells, apricot shells, walnut shells, bamboo charcoal, white carbon black, asphalt, zeolite, graphene and the like as raw materials, adopting a high-temperature steam activation process, and preparing granular activated carbon with different specifications through crushing, screening and post-treatment finish machining, can decolor and remove odor of waste gas, and has the characteristics of large specific surface area, developed pore structure, excellent adsorption performance, high wear-resisting strength, flushing resistance, less surface fine powder, easy regeneration and the like.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The comprehensive waste gas treatment equipment for the laboratory is characterized by comprising waste gas treatment equipment (1), wherein the waste gas treatment equipment (1) is provided with a gas inlet (11) and a gas outlet (12), the gas inlet (11) is communicated with a laboratory air outlet, and the gas outlet (12) is communicated with the outside of the laboratory; a cavity is arranged in the waste gas treatment equipment (1); and a UV photocatalytic treatment unit, an acid-base waste gas adsorbent (3) and an organic toxic biological waste gas adsorbent (4) are arranged in the cavity.
2. A laboratory integrated waste gas treatment device according to claim 1, characterized in that a plurality of partition plates (5) are provided in said cavity, said plurality of partition plates (5) dividing said cavity into a plurality of sub-cavities; the partition plate (5) is provided with a plurality of air holes.
3. The laboratory integrated waste gas treatment device according to claim 2, wherein the UV photocatalytic treatment unit, the acidic and basic waste gas adsorbent (3) and the organic toxic biological waste gas adsorbent (4) are respectively disposed in the sub-chambers from the gas inlet (11) end to the gas outlet (12) end of the waste gas treatment device (1).
4. A laboratory integrated waste gas treatment device according to claim 1, characterized in that the inlet (11) of the waste gas treatment device (1) is connected to the laboratory exhaust outlet through an inlet duct (6), and the outlet (12) is connected to the outside of the laboratory through an outlet duct (7).
5. A laboratory integrated exhaust gas treatment device according to claim 4, wherein said inlet duct (6) comprises a main inlet duct (61) and a plurality of branch inlet ducts (62), each of said branch inlet ducts (62) communicating with said main inlet duct (61); each branch air inlet pipeline (62) is communicated with the air outlet of each laboratory.
6. A laboratory integrated waste gas treatment device according to claim 4, characterized in that said device further comprises a centrifugal fan (8), said centrifugal fan (8) being arranged on said exhaust duct (7).
7. A laboratory integrated waste gas treatment plant according to claim 4, 5 or 6, characterized in that the end of the exhaust conduit (7) facing away from the waste gas treatment plant (1) is fitted with a rain cap (9).
8. A laboratory integrated exhaust treatment device according to claim 1, wherein said UV photocatalytic treatment unit comprises a plurality of high ozone type ultraviolet lamps (2) and titanium dioxide catalyst, said high ozone type ultraviolet lamps (2) being installed in said cavity, and titanium dioxide catalyst being distributed in said cavity.
9. The laboratory integrated waste gas treatment device according to claim 3, wherein a waste gas decoloring and deodorizing adsorbent is further disposed in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020344285.1U CN211988022U (en) | 2020-03-18 | 2020-03-18 | Comprehensive waste gas treatment equipment for laboratory |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020344285.1U CN211988022U (en) | 2020-03-18 | 2020-03-18 | Comprehensive waste gas treatment equipment for laboratory |
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| CN211988022U true CN211988022U (en) | 2020-11-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999863A (en) * | 2021-02-22 | 2021-06-22 | 中国石油天然气股份有限公司 | Composite air purifying agent for oil field operation station and preparation and use methods thereof |
| CN117225373A (en) * | 2022-09-09 | 2023-12-15 | 江苏峰科环保科技有限公司 | Adsorption filter material based on solid waste, preparation method and application |
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2020
- 2020-03-18 CN CN202020344285.1U patent/CN211988022U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999863A (en) * | 2021-02-22 | 2021-06-22 | 中国石油天然气股份有限公司 | Composite air purifying agent for oil field operation station and preparation and use methods thereof |
| CN112999863B (en) * | 2021-02-22 | 2023-02-10 | 中国石油天然气股份有限公司 | Composite air purifying agent for oil field operation station and preparation and use methods thereof |
| CN117225373A (en) * | 2022-09-09 | 2023-12-15 | 江苏峰科环保科技有限公司 | Adsorption filter material based on solid waste, preparation method and application |
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