CN105688656A - Compact type waste gas treatment device - Google Patents
Compact type waste gas treatment device Download PDFInfo
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- CN105688656A CN105688656A CN201610162185.5A CN201610162185A CN105688656A CN 105688656 A CN105688656 A CN 105688656A CN 201610162185 A CN201610162185 A CN 201610162185A CN 105688656 A CN105688656 A CN 105688656A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
- B01D53/85—Biological processes with gas-solid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a compact type waste gas treatment device. Pipe-shape-structured biological purification modules with sealed sections are adopted; each biological purification module comprises a module box body and a biological filler module, wherein each biological filler module is in a pipe shape with the sealed section and is arranged in the corresponding module box body; an annular channel is formed between each biological filler module and an inner wall of the corresponding module box body; an inner cavity of each biological filler module is an inner cavity channel; the annular channels and the inner cavity channels are separated completely by the biological filler modules; when waste gas enters the other channel from one channel of each module, the waste gas needs to be dispersed to pass through the pipe-shaped biological filler module. With the adoption of the compact type waste gas treatment device, the contact area through which the waste gas passes each biological purification module can be improved, so that the structure of each module is more compact; the waste gas treatment device is formed by splicing the plurality of modules, so that the occupied area of the equipment is extremely reduced; meanwhile, the thickness of biological fillers through which the waste gas passes can be improved, so that the increasing of pressure drop, caused by the fact that the fillers are too thick and the device is blocked, is avoided, and the waste gas treatment efficiency of the biological purification device is improved.
Description
Technical field
The invention belongs to waste gas pollution control and treatment field, relate to the improvement of pharmaceutical industry, chemical industry, sewage plant and refuse depot foul smell and waste gas, specifically a kind of compact waste gas treatment device。
Background technology
Along with economic fast development, the increase of commercial production and Fuel Consumption, the discharge of volatile organic contaminant and foul gas etc. also increases gradually, and serious environment pollution even threatens the physical and mental health of people。In recent years, the intensification improvement allowing masses further pay close attention to waste gas of haze, country also progressively starts to pay attention to waste gas pollution control and treatment, put into effect " ten measures of prevention and control of air pollution " policy, waste gas pollution control and treatment technology becomes the study hotspot of Now Domestic field of Environment Protection, corresponding waste gas pollution control and treatment technology emerges in an endless stream, and common are chemical absorption method, absorption method, Production by Catalytic Combustion Process, energetic ion method and bioanalysis etc.。Purification biotechnology, compared to other Treatment process, has the advantages such as operating cost is low, easy and simple to handle, non-secondary pollution, reaction condition are gentle, is widely used in the improvement of waste gas pollution control and treatment especially stench。
At present, the Purification biotechnology of employing, common technique has three kinds: zinc cation, biofilter, bio-trickling。Bio-trickling purification techniques is owing to reaction condition is easily controllable and in unit volume packing layer, microorganism concn advantages of higher is applied relatively broad。But bio-trickling exists the excessive easy blocking of packing layer thickness, cause the problem such as pressure drop increase and purification efficiency reduction, and the problem that Purification biotechnology ubiquity floor space is big, this causes the increase of cost undoubtedly for the area that land used is nervous。
Summary of the invention
Present invention solves the technical problem that and be: the defects such as, filler easily blocking big for existing standard biologic purifier floor space, it is provided that a kind of compact waste gas treatment device。
The present invention adopts the following technical scheme that realization:
A kind of compact waste gas treatment device, including spray washing section and biofiltration section；
The entrance of described spray washing section arranges equipment air inlet, and the outlet of spray washing section connects with the entrance of biofiltration section, and the outlet of described biofiltration section arranges equipment air outlet；
Described biofiltration section adopts the splicing of biological cleaning module, described biological cleaning module includes modular tank and biologic packing material module, described biologic packing material module is the tubular of enclosed cross, it is placed in modular tank, annular channel is formed between described biologic packing material module and modular tank inwall, described biologic packing material module internal cavity is bore passages, being separated by biologic packing material module completely between described circular passage and bore passages, waste gas is entered another passage by a passage and has to diffuse through the biologic packing material module of tubulose。
It is respectively provided with shower and shower nozzle above spray washing section and biofiltration section。
Further, described biologic packing material module cross section is circular or polygon, and described modular tank intracavity section is corresponding with biologic packing material module cross section, and both are coaxially arranged。
Further, described biologic packing material module is arranged in the middle of modular tank by ventilative gripper shoe。
Further, described biologic packing material module adopts biofiltration filler to be filled in the shell body of glass-fiber reinforced plastic grille moulding。
Further, described biofiltration filler adopts the mixed biologic haydite mixing of two kinds of particle diameters, and wherein big haydite particle diameter is 25～30mm, and little haydite particle diameter is 6～8mm, and on described haydite, biological inoculum is cultivated in attachment。
Further, the filling thickness 300～500mm of described biofiltration filler module。
In the present invention, described biofiltration section is two-stage, being docked by two biological cleaning block coupled in series, the casing of two-stage biological fillter section separates by being provided with the dividing plate of air-flow through hole, and biologic packing material module internal cavity passage or the circular passage between two-stage biological fillter section is interconnected。
Further, the entrance of the outlet docking first order biofiltration section casing of described spray washing section, connect with the bore passages of first order biologic packing material module；
Separated by dividing plate between described first order biologic packing material module and the bore passages of second level biologic packing material module, circular passage connection each other；
The outlet of the bore passages docking second level biofiltration section casing of described second level biologic packing material module。
Further, described spray washing section adopts body structure, and fixing with biofiltration section casing dock, and the entrance of spray washing section introduces below casing bottom liquid face by conduit, it is achieved wash air inlet。
Further, described spray washing section casing, biofiltration section box bottom are equipped with drain pipe and are connected with feeding spraying pump, and described feeding spraying pump connects with the shower arranged in corresponding casing and shower nozzle, and described drain pipe arranges filter。
Biological cleaning module in the present invention adopts the tubular-shaped structures of closed cross-section, the waste gas contact area by biological cleaning module can be improved, biologic packing material with homalographic, the space that rolled-up tubular-shaped structures takies is less, module adopts two gas channels that filler is separated simultaneously, modular structure can be made more compact, and be conducive to equipment assembled, assembled by multimode, the waste gas thickness by biologic packing material can be improved, meanwhile, the biologic packing material thickness in each module can be reduced, it is to avoid cause pressure drop to increase。
Adopt the waste gas treatment device of above-mentioned biological cleaning module by spray washing section and biofiltration section concentrated setting in a casing, separated by the dividing plate with air-flow through hole between spray washing section and biofiltration section and biofiltration section, the spray washing section of forward part, for dedusting and cooling, rear section is biological fillter section, is used for purifying waste gas。Waste gas is sent into spray washing section by pressure fan through equipment entrance, carry out spray washing pretreatment, it is possible to increasing the time of contact of waste gas and spray liquid, one can remove the bulky grain pollutant in waste gas, high-temp waste gas can be lowered the temperature by two, promotes the effect of pretreatment。First order biological cleaning section is entered through pretreated waste gas such as washing cooling dedustings, after the biochemical action degraded of the biological inoculum of load on the first biologic packing material, enter second level biological cleaning section, after the further efficient degradation of the biological inoculum of load on the second biologic packing material, export qualified discharge eventually through equipment。
From the above mentioned, the present invention adopt technique scheme thoroughly to process in the waste gas of low concentration and foul gas, and compact conformation; floor space is little, and equipment governance process is smooth and easy, not easily occurs that high fault is crossed in filler blocking and pressure drop; can effectively protect environment, safeguard the physical and mental health of people。
Below in conjunction with the drawings and specific embodiments, the present invention will be further described。
Accompanying drawing explanation
Fig. 1 is the structural representation of the compact waste gas treatment device in embodiment。
Fig. 2 is the biological cleaning module schematic cross-section of the biofiltration section in embodiment。
Fig. 3 is the first order biofiltration section gas flow schematic diagram in embodiment。
Fig. 4 is the second level biofiltration section gas flow schematic diagram in embodiment。
Number in the figure: 1, the first feeding spraying pump；2, blower fan；3, equipment air inlet；4, the first shower and shower nozzle；5, the second shower and shower nozzle；6, the first biologic packing material module；7, the 3rd shower and shower nozzle；8, the second biologic packing material module；9, equipment air outlet；10, the 3rd feeding spraying pump；11, the second feeding spraying pump；12, the 3rd drain pipe；13, filter；14, second row water pipe；15, second level biofiltration section casing；16, ventilative gripper shoe；17, dividing plate；18, first order biofiltration section casing；19, spray washing section casing；20, first row water pipe, 101-bore passages, 102-annular channel。
Detailed description of the invention
Embodiment
It is specifically described below in conjunction with the waste gas treatment device in Fig. 1。
Referring to Fig. 1, waste gas treatment device includes spray washing section and biofiltration section, described spray washing section casing and biofiltration section casing collectively constitute a casing, the wherein entrance on spray washing section casing 19 and equipment air inlet 3, it is connected with the blower fan 2 blasting waste gas, the outlet of described spray washing section casing is connected with the entrance of biofiltration section casing, outlet on biofiltration section casing and equipment air outlet 9。
The biological cleaning module composition that biofiltration Duan Ze is docked by two-stage series connection, including first order biofiltration section casing 18, first biologic packing material module 6, second shower and shower nozzle 5, second level biofiltration section casing 15, second biologic packing material module 8, 3rd shower and shower nozzle 7, equipment air outlet 9, second feeding spraying pump 11, 3rd feeding spraying pump 10 etc., it is provided with the first biologic packing material module 6 and the second biologic packing material module 8 shown in Fig. 2 respectively through ventilative gripper shoe 16 in first order biofiltration section casing 18 and second level biofiltration section casing 15, on the left of first order biofiltration section casing 18, the middle part of dividing plate is provided with the outlet on the right side of entrance and spray washing section casing 19, right side partition at first order biofiltration section casing 18 is provided with three-back-shaped outlet and connects with the entrance on the left of second level biofiltration section casing 15, middle part on the right side of second level biofiltration section casing 15 is provided with outlet 9, it is connected with exhaust tube。
Referring to Fig. 2, biological cleaning module in diagram adopts four square-sections, limit, formed three-back-shaped with corresponding square module casing, annular channel 102 is formed between biologic packing material module and modular tank inwall, described biologic packing material module internal cavity is bore passages 101, waste gas passes through between annular channel 102 and bore passages 101, then must flow through biologic packing material module。
Spray washing section includes the first feeding spraying pump 1, equipment air inlet the 3, first shower and shower nozzle 4, spray washing section casing 19, first row water pipe 20 etc., spray washing section casing 19 top and side are provided with shower and shower nozzle 4, it is connected with the first feeding spraying pump 1, it is positioned at the lower half on the left of spray washing section casing 19 to arrange spray washing section entrance the service of connection devices air inlet 3 equipment air inlet air duct and set deflector, there is guide functions。Waste gas flows through blower fan 2 and sends into the interior air duct of equipment entrance, introduces below casing bottom liquid face, gos deep into carrying out in spray liquid water washing dedust and cooling。
Air-flow enters interior air duct from the equipment air inlet 3 of spray washing section casing 19 bottom, after water washing dedust is lowered the temperature, air-flow through hole in the middle part of right side partition enters first order biofiltration section casing 18, after the biological inoculum degraded of the first biologic packing material module 6 load through being arranged in ventilative gripper shoe 16, second level biofiltration section casing 15 is entered from the three-back-shaped gas channel of right side partition, after the biological inoculum efficient degradation of the second biologic packing material module 8 load through being arranged in ventilative gripper shoe 16, export 9 through aiutage qualified discharge from equipment。
In the present embodiment, the bore passages 101 of two-stage biological cleaning module is separated by dividing plate, outer annular channel 102 realizes series connection by gas channel connection, in other practice, also contemplate for connecting bore passages 101, exocoel passage 102 is separated, and the different modes that is connected in series is determined according to equipment resolution。
In the present embodiment, biologic packing material module is made up of the glass-fiber reinforced plastic grille shell body of respective shapes and filling thickness 300～500mm biofiltration filler therein, and replacing filler etc. is conveniently installed and disassembled in modularized design。
In the present embodiment, the filler in biologic packing material module is made up of the high-quality haydite mixing of large and small particle diameter, it is to avoid filler blocking causes pressure drop increase etc., wherein big haydite particle diameter 25～30mm, little haydite particle diameter 6～8mm。Described haydite all adopts mixed biologic haydite, namely the biological inoculum of waste gas is administered with haydite for culture medium culturing, the biological inoculum cultivated in the first biologic packing material module and the second biologic packing material module is all the dominant bacteria after pending exhaust gas source is tamed, and, can according to waste gas situation, select identical or different types of spawn, to strengthen regulation effect。
In the present embodiment, spray washing section casing 19, first order biofiltration section casing 18 and second level biofiltration section casing 15 are arranged side by side into an overall casing, the dividing plate 17 passing through to be provided with air-flow through hole between adjacent separates, it is equipped with two manholes at the top of every section of casing and side, is used for entering box house and carries out overhaul of the equipments。
As shown in Figure 1, top and the side of spray washing section casing 19, first order biofiltration section casing 18 and second level biofiltration section casing 15 are equipped with spray system, wherein the shower of spray washing section casing 19 top and side and shower nozzle 4 individually connect the first feeding spraying pump 1 realize continuous shower humidification, the shower of first order biofiltration section casing 18 and second level biofiltration section casing 15 top and side and shower nozzle 5 and 7 connect the second feeding spraying pump 11 respectively and the 3rd feeding spraying pump 10 realizes being interrupted shower humidification。Simultaneously, at spray washing section casing 19, it is respectively equipped with first row water pipe 20 bottom first order biofiltration section casing 18 and second level biofiltration section casing 15, second row water pipe 14 and the 3rd drain pipe 12 are for Recycling of waste liquid, and respectively through the first feeding spraying pump 1, second feeding spraying pump 11 and the 3rd feeding spraying pump 10 are each connected to the first shower and the shower nozzle 3 that casing top is arranged, second shower and shower nozzle 5 and the 3rd shower and shower nozzle 7, recycling for spray liquid, and each drain pipe is respectively provided with filter 13 and filters out impurities, avoid blocking spray system。The all employing activities of all of shower and shower nozzle are installed, it is simple to dismounting。
In the present invention, spray washing section casing and biofiltration section casing top blind flange are flanged hinged plate patch, it is simple to dismounting and installation。
In conjunction with referring to Fig. 1, Fig. 3, Fig. 4, the workflow of the embodiment of the present invention is as follows: waste gas is sent into the spray liquid of spray washing section casing 19 bottom through blower fan 2 from air duct in equipment air inlet 3, after washing cooling dedusting, on the left of first order biofiltration section casing, the entrance in the middle part of dividing plate enters, spread to annular channel by the bore passages of center the first biologic packing material module, after the microbial degradation on the first biologic packing material, on the left of second level biofiltration section casing, the three-back-shaped entrance of dividing plate enters, assembled after the further efficient degradation of the microorganism on the second biologic packing material by the annular channel of the second biologic packing material module, enter the bore passages of the second biologic packing material module, carry out qualified discharge, in equipment, overall air-flow moves towards as shown by the arrows in Figure 1, in the first order and second level biofiltration section, the air-flow of longitudinal cross-section moves towards such as Fig. 3, in Fig. 4 shown in arrow。
These are only that the present invention is embodied as case explanation, it is impossible to limit the scope of the present invention with this。Biologic packing material module in the present embodiment adopts tetragonal cross section, and employing circle that also can be as claimed in claim or other polygonal cross sections realize。Therefore, all equivalences made according to the present patent application claims and description change and amendment, all in the scope of protection of the invention。
Claims (10)
1. a compact waste gas treatment device, it is characterised in that: include spray washing section and biofiltration section；
The entrance of described spray washing section arranges equipment air inlet, and the outlet of spray washing section connects with the entrance of biofiltration section, and the outlet of described biofiltration section arranges equipment air outlet；
Described biofiltration section adopts the splicing of biological cleaning module, described biological cleaning module includes modular tank and biologic packing material module, described biologic packing material module is the tubular of enclosed cross, it is placed in modular tank, annular channel is formed between described biologic packing material module and modular tank inwall, described biologic packing material module internal cavity is bore passages, being separated by biologic packing material module completely between described circular passage and bore passages, waste gas is entered another passage by a passage and has to diffuse through the biologic packing material module of tubulose。
It is respectively provided with shower and shower nozzle above spray washing section and biofiltration section。
2. a kind of compact waste gas treatment device according to claim 1, described biologic packing material module cross section is circular or polygon, and described modular tank intracavity section is corresponding with biologic packing material module cross section, and both are coaxially arranged。
3. a kind of compact waste gas treatment device according to claim 2, described biologic packing material module is arranged in the middle of modular tank by ventilative gripper shoe。
4. a kind of compact waste gas treatment device according to claim 3, described biologic packing material module adopts biofiltration filler to be filled in the shell body of glass-fiber reinforced plastic grille moulding。
5. a kind of compact waste gas treatment device according to claim 4; described biofiltration filler adopts the mixed biologic haydite mixing of two kinds of particle diameters; wherein big haydite particle diameter is 25～30mm, and little haydite particle diameter is 6～8mm, and on described haydite, biological inoculum is cultivated in attachment。
6. a kind of compact waste gas treatment device according to claim 5, the filling thickness 300～500mm of described biofiltration filler module。
7. a kind of compact waste gas treatment device according to any one of claim 1-6, described biofiltration section is two-stage, docked by two biological cleaning block coupled in series, the casing of two-stage biological fillter section separates by being provided with the dividing plate of air-flow through hole, and biologic packing material module internal cavity passage or the circular passage between two-stage biological fillter section is interconnected。
8. a kind of compact waste gas treatment device according to claim 7, the entrance of the outlet docking first order biofiltration section casing of described spray washing section, connect with the bore passages of first order biologic packing material module；
Separated by dividing plate between described first order biologic packing material module and the bore passages of second level biologic packing material module, circular passage connection each other；
The outlet of the bore passages docking second level biofiltration section casing of described second level biologic packing material module。
9. a kind of compact waste gas treatment device according to claim 8, described spray washing section adopts body structure, and fixing with biofiltration section casing dock, and the entrance of spray washing section introduces below casing bottom liquid face by conduit, it is achieved wash air inlet。
10. a kind of compact waste gas treatment device according to claim 9, described spray washing section casing, biofiltration section box bottom are equipped with drain pipe and are connected with feeding spraying pump, described feeding spraying pump connects with the shower arranged in corresponding casing and shower nozzle, and described drain pipe arranges filter。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610162185.5A CN105688656B (en) | 2016-03-23 | 2016-03-23 | A kind of compact waste gas treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610162185.5A CN105688656B (en) | 2016-03-23 | 2016-03-23 | A kind of compact waste gas treatment device |
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| CN105688656A true CN105688656A (en) | 2016-06-22 |
| CN105688656B CN105688656B (en) | 2018-07-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931854A (en) * | 2022-05-31 | 2022-08-23 | 北京实力伟业环保科技有限公司 | System and method for purifying waste gas by microorganisms |
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Address after: 410100 Xingsha Road, Changsha Economic Development Zone, Hunan, No. 15 Applicant after: Aerospace Kay environmental Polytron Technologies Inc Address before: 410100 Xingsha Road, Changsha Economic Development Zone, Hunan, No. 15 Applicant before: Kaitian Environmental Tech. Co., Ltd. |
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