CN103394246B - Comprehensive treatment method for organic waste gas and organic waste gas treatment device - Google Patents
Comprehensive treatment method for organic waste gas and organic waste gas treatment device Download PDFInfo
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- CN103394246B CN103394246B CN201310324091.XA CN201310324091A CN103394246B CN 103394246 B CN103394246 B CN 103394246B CN 201310324091 A CN201310324091 A CN 201310324091A CN 103394246 B CN103394246 B CN 103394246B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention belongs to the technical field of waste gas treatment and particularly discloses a comprehensive treatment method for organic waste gas and an organic waste gas treatment device, wherein the organic waste gas is sequentially subjected to the absorption regulation by using an absorption regulation solution, biological ecological treatment and UV (ultraviolet) catalytic photolysis treatment; via the absorption regulation by using the absorption regulation solution, particulate matters in the organic waste gas can be removed, and the concentration of volatile organic compounds in the organic waste gas entering the biological ecological treatment is regulated; via the biological ecological treatment, the volatile organic compounds can be degraded and nutrients can be provided to an ecological layer; via the UV catalytic photolysis treatment, the volatile organic compounds which are not biologically degraded can be decomposed, and sterilization and deodorization can be performed. The organic waste gas treatment device comprises an exhaust fan, an absorption regulation mechanism, a biological ecological treatment mechanism, a UV catalytic photolysis treatment mechanism and an air tube. According to the comprehensive treatment method for the organic waste gas and the organic waste gas treatment device disclosed by the invention, the organic waste gas can be efficiently purified and treated; and moreover, running cost is low, meanwhile, space resource can also be taken full use and the effects of greening environment, reducing heat island effect and reducing noise can be achieved.
Description
Technical field
The present invention relates to technical field of waste gas treatment, particularly relate to a kind of comprehensive processing method and VOCs treatment device of organic exhaust gas.
Background technology
Along with the development of society, the environmental consciousness of people is more and more stronger.On the one hand, expanding economy inevitably produces certain pollution in the present stage that people are familiar with; On the other hand, the progress of the mankind it is also proposed higher requirement to the living environment residing for oneself, and masses' environmental pollution is had strong complaints, and the restriction of environmental administration at different levels to pollutant effulent is also more and more stricter.The unification how obtaining economic benefit and environment is the new problem of facing mankind.
Discharging volatile organic matter (VOC) is in process of production pollutant atmosphere, the arch-criminal be detrimental to health.VOC invades the nerve of people, blood, breathing and fertility system, especially common triphen (benzene, toluene and dimethylbenzene) waste gas, by breathing, in skin intrusive body, gently then makes people dizzy, dizzy, nauseating, heavy then cause alpastic anemia, cancer etc.Workman and masses' poisoning are seen in newpapers and periodicals media repeatedly.
Present stage, China is mainly faced with following problem to the improvement of environment:
1, plant gas generally only enters in air after simple Water spray device processes, or by entering in air after the process such as charcoal absorption.
2, because of the technical problem for the treatment of facility itself, the not high or processing cost of plant gas improvement rate and cost of investment too high.
3, the improvement of typical factory organic exhaust gas adopts Water spray to add active carbon adsorption technological process more, and by periodic replacement activated carbon (or regenerated carbon) to ensure adsorption effect.This technique not only needs high investment and operating cost, also needs the administrative staff of specialty, and the replacing of later stage activated carbon and regeneration also quite bother.
4, China's air quality is generally poor, and in air, PM10 and PM2.5 index is higher, the health of serious threat people, and find Prevention Technique that is efficient, low consumption becomes one of study hotspot for this reason.
5, the situation is tense for urban ecological environment, and center tropical island effect is remarkable.The roof of large area grey and black is the one of the main reasons of urban heat land effect, is also last block space resource unemployed.
6, soil is nervous, and the soil that can realize afforesting is fewer and feweri, and the quickening of urbanization process is had higher requirement to urban afforestation land used.
Summary of the invention
The object of the invention is to the defect for overcoming prior art, provide a kind of high-efficient purification process organic exhaust gas, operating cost is low, and can play the organic exhaust gas comprehensive processing method of greening environment, reduction tropical island effect and minimizing noise simultaneously.
Another object of the present invention provides a kind of VOCs treatment device by the comprehensive processing method of application organic exhaust gas.
For achieving the above object, the present invention is by the following technical solutions:
A comprehensive processing method for organic exhaust gas, described organic exhaust gas is successively through steps of processing:
(1) absorb regulator solution to absorb and regulate: organic exhaust gas is successively by the dedusting filler plate that drenches with absorption regulator solution and dry load net.
Described absorption regulator solution is the aqueous solution being dissolved with organic solvent.Described dedusting filler plate is the fixed frame of the filler being fixed with surperficial adsorbable dust.Described dry load net is be fixed with to be absorbed the fixed frame of the filler that regulator solution drenches.
When organic exhaust gas is by dedusting filler plate, the particle in the absorption regulator solution trapping organic exhaust gas on dedusting filler plate also makes particle be attached to the filling surface of dedusting filler plate, thus the particle suspended in removing organic exhaust gas.Organic exhaust gas is then by dry load net, and the absorption regulator solution that dry load adheres on the net absorbs the some volatile organic matter in organic exhaust gas, thus reduces the content of volatile organic matter in organic exhaust gas; If in organic exhaust gas the concentration of volatile organic matter too low and cannot by absorption regulator solution absorb time, absorb regulator solution then by release portion its dissolve volatile organic matter, for biological Ecological Disposal link provides volatile organic matter.
(2) biological and ecological process: the biofilm filtration layer of organic exhaust gas by drenching with spray liquid processed through step 1, the spray liquid gone out from biofilm filtration laminar flow is divided into two parts, a part is cycled to used in drenches biofilm filtration layer, another part is by ecosphere formation processing liquid, and treatment fluid is back in biofilm filtration layer.
Described biofilm filtration layer comprises filling carrier and the microorganism of growth in filling carrier; Described spray liquid is water; Described ecosphere comprises planting matrix and the plant of growth in planting matrix.
When organic exhaust gas is by biofilm filtration layer, remaining volatile organic matter in spray liquid trapping organic exhaust gas on biofilm filtration layer, the volatile organic matter degraded that spray liquid then traps by the microorganism in biofilm filtration layer, biofilm filtration layer is flowed out with spray liquid after volatile organic matter is degraded, the spray liquid part gone out from biofilm filtration laminar flow is cycled to used in drenches biofilm filtration layer, another portion flows in the plant substrates of ecosphere, the volatile organic matter be degraded in spray liquid provides food source for the microorganism in plant substrates and grows required nutrient for plant provides.
(3) organic exhaust gas processed through step 2 discharges after UV catalysis photodissociation process.
Oxygen in organic exhaust gas, water and under the catalysis of ultraviolet irradiation and titanium dioxide, do not formed UV/O by the volatile organic matter of microbial degradation in biological bed
3/ HO optical excitation oxidation system, realizes the purification to organic exhaust gas, sterilization and deodorizing process and makes the gas of final discharge meet discharge standard.
Described planting matrix comprises porous filter-material, improvement soil and mud.
Described mud is the deposit formed in biofilm filtration layer process organic exhaust gas process.
A kind of VOCs treatment device, comprise connect in turn air exhauster, absorb governor motion, biological and ecological processing mechanism and airduct, UV catalysis photodissociation processing mechanism is provided with in described airduct, the top of described air exhauster, absorption governor motion, carry out a biological disposal upon mechanism and airduct is also provided with one deck planting matrix, and planting in described planting matrix has plant; The front end absorbing governor motion import is located at by described air exhauster; Dedusting filler plate, dry load net and the first liquid case is provided with in described absorption governor motion, described first liquid case is built with absorption regulator solution, and described absorption regulator solution is delivered to the top of dedusting filler plate and dry load net by first pump housing and dedusting filler plate and dry load net is drenched; The entrance point of described biological and ecological processing mechanism is tightly connected with the port of export absorbing governor motion, the top of described biological and ecological processing mechanism is provided with some perforation, biological bed and the second liquid case is provided with in biological and ecological processing mechanism, described second liquid case built with spray liquid, described spray liquid to be delivered to respectively in plant substrates by second pump housing and biological bed top and biological bed is drenched; The entrance point of described airduct is connected with the port of export of biological and ecological processing mechanism.
Described spray liquid is delivered to the two ends of planting matrix layer by second pump housing.
Automatic ball float moisturizing switch is equipped with in described first liquid case and the second liquid case.
Described VOCs treatment device also comprises absorption regulator solution slag removal mechanism.
Compared with prior art, the invention has the beneficial effects as follows: organic exhaust gas comprehensive processing method of the present invention absorbs regulator solution by conbined usage and absorbs adjustment, biological and ecological process and UV catalysis photodissociation process, efficiently can process organic exhaust gas, and operating cost is low; In biological and ecological process, coordinated with biological bed by ecosphere, not only can further improve the effect of VOCs treatment, and can space resources be made full use of, play the effect of greening environment, reduction tropical island effect and minimizing noise.VOCs treatment device of the present invention coordinates by absorbing governor motion, biological and ecological processing mechanism and UV catalysis photodissociation process, regulation effect is good, and structure is simple, the area that also can make full use of on device carries out greening environment, reduces tropical island effect and reduces noise; Arrange the first liquid case and the second liquid case to recycle respectively and absorb regulator solution and spray liquid, reduce operating cost; Arrange and absorb regulator solution slag removal mechanism and can recycle absorption regulator solution, environmental protection, to economize on resources.
Accompanying drawing explanation
Fig. 1 is the structural representation of VOCs treatment device of the present invention.
Detailed description of the invention
In order to more fully understand technology contents of the present invention, below in conjunction with specific embodiment technical scheme of the present invention being introduced further and illustrating.
Embodiment
With reference to Fig. 1, be a kind of VOCs treatment device applying organic exhaust gas comprehensive processing method, comprise air exhauster 1, absorption governor motion 2, biological and ecological processing mechanism 3, UV catalysis photodissociation processing mechanism 4, absorb regulator solution slag removal mechanism and airduct 5.UV catalysis photodissociation processing mechanism 4 is located in airduct 5, and the top of air exhauster 1, absorption governor motion 2, biological and ecological processing mechanism 3 and airduct 5 is also provided with one deck planting matrix 34, and planting in planting matrix 34 has plant.The front end absorbing governor motion 2 import is located at by air exhauster 1, and the absorption port of export of governor motion 2 and the entrance point of biological and ecological processing mechanism 3 are tightly connected, and the port of export of biological and ecological processing mechanism 3 is connected with the entrance point of airduct 5.
Absorb in governor motion 2 and be provided with dedusting filler plate 22, dry load net 24 and the first liquid case 23.First liquid case 23 is built with absorption regulator solution, and absorbing regulator solution is the aqueous solution being dissolved with organic solvent.Dedusting filler plate 22 is for being fixed with the fixed frame of the filler of surperficial adsorbable dust.Dry load net 24 can be absorbed the fixed frame of the filler that regulator solution drenches for being fixed with.Absorb regulator solution be delivered to the top of dedusting filler plate 22 and dry load net 24 by first pump housing 21 and dedusting filler plate 22 and dry load net 24 are drenched.Absorption regulator solution after repeatedly using can pass into absorb in regulator solution slag removal mechanism and process, recycling.And automatic ball float moisturizing switch is set in the first liquid case 23, the liquid level of the first liquid case 23 can be monitored by automatic ball float moisturizing switch in real time.When organic exhaust gas passes through dedusting filler plate 22 under the effect of air exhauster 1, particle in absorption regulator solution trapping organic exhaust gas on dedusting filler plate 22 also makes particle be attached to the filling surface of dedusting filler plate 22, thus the particle suspended in removing organic exhaust gas.Organic exhaust gas is then by dry load net 24, and the absorption regulator solution of attachment on dry load net 24 absorbs the some volatile organic matter in organic exhaust gas, thus reduces the content of volatile organic matter in organic exhaust gas; If in organic exhaust gas the concentration of volatile organic matter too low and cannot be absorbed by absorption regulator solution time, absorb the volatile organic matter that then wherein dissolved by release portion of regulator solution, for biological Ecological Disposal link provides volatile organic matter.
The top of biological and ecological processing mechanism 3 is provided with some perforation, and be provided with biological bed 31 and the second liquid case 32, second liquid case 32 in biological and ecological processing mechanism 3 built with spray liquid, spray liquid is water.
By filling carrier and growth, the microorganism on filling carrier forms biological bed 31, thus forms biofilm filtration layer.Wherein, filling carrier is for providing the carrier in survival and reproduction space for microorganism; Microorganism comprises at least one in coccus, bacillus or spirillum.Spray liquid is delivered to the two ends of planting matrix 34 layers and the top of biological bed 31 respectively by second pump housing 33 and is drenched by biological bed 31.Described planting matrix comprises porous filter-material, improvement soil and mud, and wherein mud is that biological processing mechanism 3 processes the deposit formed in organic exhaust gas process.And automatic ball float moisturizing switch is set in the second liquid case 32, the liquid level of the second liquid case 32 can be monitored by automatic ball float moisturizing switch in real time.When organic exhaust gas is by biological bed 31, remaining volatile organic matter in spray liquid trapping organic exhaust gas on biological bed 31, the volatile organic matter degraded that spray liquid then traps by the microorganism in biological bed 31, biological bed 31 is flowed out with spray liquid after volatile organic matter is degraded, be cycled to used in from a spray liquid part for biological bed 31 outflow and drench biological bed 31, another portion flows in the planting matrix 34 of ecosphere, and the volatile organic matter be degraded in spray liquid provides food source for the microorganism in planting matrix 34 and grows required nutrient for plant provides.
Enter airduct 5 from biological treatment mechanism 3 organic exhaust gas out, and under the ultraviolet irradiation of UV catalysis photodissociation processing mechanism 4 transmitting and the catalysis of titanium dioxide, the volatile organic matter absorb photons be not biodegradable in organic exhaust gas can make molecular scission or become excited state, oxygen absorption photon energy in organic exhaust gas generates active oxygen, active oxygen and combination with oxygen generate ozone, hydrone in organic exhaust gas then absorb photons can produce hydroxyl radical free radical, thus forms UV/O
3/ HO optical excitation oxidation system, realizes the purification to organic exhaust gas, sterilization and deodorizing process and makes the gas of final discharge meet discharge standard.
The above only further illustrates technology contents of the present invention with embodiment, so that reader is easier to understand, but does not represent embodiments of the present invention and is only limitted to this, and any technology done according to the present invention extends or recreation, all by protection of the present invention.
Claims (7)
1. a comprehensive processing method for organic exhaust gas, is characterized in that, described organic exhaust gas is successively through steps of processing:
(1) absorb regulator solution to absorb and regulate: organic exhaust gas is successively by the dedusting filler plate that drenches with absorption regulator solution and dry load net; Described absorption regulator solution is the aqueous solution being dissolved with organic solvent;
(2) biological and ecological process: the biofilm filtration layer of organic exhaust gas by drenching with spray liquid processed through step 1, the spray liquid gone out from biofilm filtration laminar flow is divided into two parts, a part is cycled to used in drenches biofilm filtration layer, another part is by ecosphere formation processing liquid, and treatment fluid is back in biofilm filtration layer;
Described biofilm filtration layer comprises filling carrier and the microorganism of growth in filling carrier; Described spray liquid is water; Described ecosphere comprises planting matrix and the plant of growth in planting matrix;
(3) organic exhaust gas processed through step 2 discharges after UV catalysis photodissociation process.
2. the comprehensive processing method of organic exhaust gas according to claim 1, is characterized in that, described planting matrix comprises porous filter-material, improvement soil and mud.
3. the comprehensive processing method of organic exhaust gas according to claim 2 described in, it is characterized in that, described mud is the deposit formed in biofilm filtration layer process organic exhaust gas process.
4. the VOCs treatment device of arbitrary organic exhaust gas comprehensive processing method described in an application rights requirement 1-3, it is characterized in that, comprise the air exhauster (1) connected in turn, absorb governor motion (2), biological and ecological processing mechanism (3) and airduct (5), UV catalysis photodissociation processing mechanism (4) is provided with in described airduct (5), described air exhauster (1), absorb governor motion (2), the top of biological and ecological processing mechanism (3) and airduct (5) is also provided with one deck planting matrix (34), plant in described planting matrix (34) and have plant,
The front end absorbing governor motion (2) import is located at by described air exhauster (1);
Dedusting filler plate (22), dry load net (24) and the first liquid case (23) is provided with in described absorption governor motion (2), described first liquid case (23) is built with absorption regulator solution, and described absorption regulator solution is delivered to the top of dedusting filler plate (22) and dry load net (24) by first pump housing (21) and dedusting filler plate (22) and dry load net (24) is drenched;
The entrance point of described biological and ecological processing mechanism (3) is tightly connected with the port of export absorbing governor motion (2), the top of described biological and ecological processing mechanism (3) is provided with some perforation, biological bed (31) and the second liquid case (32) is provided with in biological and ecological processing mechanism (3), described second liquid case (32) built with spray liquid, described spray liquid to be delivered to respectively in planting matrix (34) by second pump housing (33) and biological bed (31) top and biological bed (31) is drenched;
The entrance point of described airduct (5) is connected with the port of export of biological and ecological processing mechanism (3).
5. VOCs treatment device according to claim 4, is characterized in that, described spray liquid is delivered to the two ends of planting matrix (34) layer by second pump housing (33).
6. VOCs treatment device according to claim 4, is characterized in that, be equipped with automatic ball float moisturizing switch in described first liquid case (23) and the second liquid case (32).
7. arbitrary VOCs treatment device according to claim 4-6, is characterized in that, described VOCs treatment device also comprises absorption regulator solution slag removal mechanism.
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| CN103816559A (en) * | 2014-03-05 | 2014-05-28 | 常州大恒环保科技有限公司 | Deodorizing method adopting short-wave band high-energy ultraviolet light optical wave and equipment |
| CN105387527B (en) * | 2015-11-28 | 2018-09-18 | 浙江国正安全技术有限公司 | Air purifier |
| CN106000001A (en) * | 2016-07-06 | 2016-10-12 | 无锡市昂益达机械有限公司 | Efficient waste gas treatment device |
| CN106000083B (en) * | 2016-07-27 | 2018-12-11 | 佛山瀚兽环境科技服务有限公司 | Biological enzyme device and VOC gas processing system with the biological enzyme device |
| CN106268229A (en) * | 2016-08-16 | 2017-01-04 | 南京格洛特环境工程股份有限公司 | A kind of technique of Hydrodynamic cavitation intensive treatment volatile organic waste gas |
| CN106178875A (en) * | 2016-08-16 | 2016-12-07 | 南京格洛特环境工程股份有限公司 | A kind of technique of uviol lamp intensive treatment volatile organic waste gas |
| CN108043187A (en) * | 2017-12-05 | 2018-05-18 | 无锡市华贝洁环保科技有限公司 | A kind of VOCs exhaust-gas treatments combination unit |
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| WO2010052286A1 (en) * | 2008-11-07 | 2010-05-14 | Shell Internationale Research Maatschappij B.V. | Method and apparatus for treating an off-gas stream |
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