CN204746020U - A device for retrieving and handle waste gas that contains VOCs - Google Patents

A device for retrieving and handle waste gas that contains VOCs Download PDF

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Publication number
CN204746020U
CN204746020U CN201520408064.5U CN201520408064U CN204746020U CN 204746020 U CN204746020 U CN 204746020U CN 201520408064 U CN201520408064 U CN 201520408064U CN 204746020 U CN204746020 U CN 204746020U
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waste gas
vocs
processing
tower
reclaiming
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CN201520408064.5U
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张建波
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Qingdao Technik Environmental Protection Engineering Co Ltd
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Qingdao Technik Environmental Protection Engineering Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The utility model relates to a device for retrieving and handle waste gas that contains VOCs, include: gas collecting device, little biofiltration tower, bacterial training pool, condensation recovery tower and recovery storage tank, the beneficial effects of the utility model are that: the device of the utility model is simple in structure, simple to operate, the utility model discloses the device is to the actual conditions of pending VOCs concentration and composition constitution, set up condensation recovery device, the convenient processing that contains VOCs waste gas, this device is very stable to VOCs's treatment effect, the VOCs concentration of gas outlet is low, and the change of the concentration of can not admitted air and changing, the efficiency of the processing is greatly improved, and the labor intensity is reduced, the time cost has not only been practiced thrift greatly, material cost, the energy cost, the VOCs who still makes required processing obtains high handling rate, and no secondary pollution. The setting of condensation recovery tower can be retrieved the VOCs in the waste gas and recycled. The treatment effect of device to waste gas has also been improved to a certain extent.

Description

A kind of for reclaiming and processing the device of waste gas containing VOCs
Technical field
The utility model relates to waste gas purification apparatus technical field, particularly a kind of for reclaiming and processing the device of waste gas containing VOCs.
Background technology
VOCs is the english abbreviation of VOC (volatileorganiccompounds).VOC (VOC) refers at normal temperatures, the various organic compounds that boiling point is 50 DEG C-260 DEG C.VOC by its chemical constitution, can be further divided into: alkanes, aromatic hydrocarbons, ester class, aldehydes and other etc.What identified at present has kind more than 300.Modal have benzene,toluene,xylene, styrene, trichloro-ethylene, chloroform, trichloroethanes, vulcabond (TDI), two isocyanide toluene esters etc.VOCs can cause slow poisoning, damages liver and nervous system, causes general weakness, drowsiness, pruitus etc.What have also may cause endocrinopathy, impact property function; Benzene and dimethylbenzene can also damage system, so that cause leukaemia.
As everyone knows, the impact on the life of the people and health of PM2.5 (fine particle), haze weather is day by day serious, and VOCs (VOC) is one of main composition factor making PM2.5 concentration abnormality, the total release of current industrial VOCs has reached the level of more than 2,000 ten thousand tons/year.In various occasion with an organic solvent, as sprayed paint, printing, the processing place such as metal degreasing and degreasing, adhesive, pharmacy, plastics, rubber, oil, VOC (being called for short VOCs) is all at contaminated air.People by various removal volatile solvent (as condensation method, absorption method, absorption process, combustion method, bioanalysis, membrane separation process, plasma method, photocatalytic oxidation) pollution control technology, although treatment system and method are constantly updated, clearance or the rate of recovery improve constantly (method had is up to more than 98%), but always there is the discharge of remaining VOCs, be more can not qualified discharge, the dirty gas disposal method had even also can produce secondary pollution.Along with government is to the further increasing of air contaminant treatment supervision, the discharge standard of various places, every profession and trade improves further, makes the processing limit of existing treatment system and method be difficult to the discharge standard requirement adapting to improve constantly.
At present, the processing method for the waste gas containing VOCs mainly concentrates on absorption method (active carbon, silica gel, zeolite molecular sieve, activated alumina etc.), solution absorption method, heat treating process.Wherein absorption method equipment is huge, and flow process is complicated, and after investment, operating cost is higher and have secondary pollution to produce, and when having micelle material or other impurity in waste gas, adsorbent is easily poisoning.Solution absorption method absorbent post processing investment is large, greatly selective to organic principle, easily occurs secondary pollution, need to select multiple different solvents to absorb respectively when processing VOC, a larger increase cost and technical complexity.Heat damage method has combustion explosion dangerous, and flame combustion needs consume fuel, can not recycling design.And do not allow in heat catalytic oxidation method in waste gas containing the grit and the droplet that affect catalyst life and treatment effeciency, the material making catalyst poisoning is not allowed yet, in case catalyst poisoning, therefore adopt catalytic combustion technology process organic exhaust gas must do pre-treatment to waste gas.
Utility model content
For the defect existed in prior art, the purpose of this utility model is to provide a kind of for reclaiming and processing the device of waste gas containing VOCs.
The utility model adopts following technical scheme:
For reclaiming and processing the device of waste gas containing VOCs, comprising: gas collector, water washing dedust device, microbe filter tower, Spawn incubation pond, reclaim storage tank and condensation recovery tower;
The bottom UNICOM of described gas collector and water washing dedust device;
Described water washing dedust device upper end arranges water inlet, and described water washing dedust device lower end arranges discharge outlet;
Described water washing dedust device is connected with the bottom of described condensation recovery tower;
Described condensation recovery tower and described microbe filter tower are by appendix UNICOM; Described appendix one end is connected to the top of described condensation recovery tower, and the other end is connected to the lower end of described microbe filter tower;
Described Spawn incubation pond is by water-supply-pipe and described microbe filter tower UNICOM; Described water-supply-pipe one end is connected to the bottom in described Spawn incubation pond, and the other end is connected to the spray equipment on described microbe filter tower top;
The top of described microbe filter tower arranges gas discharge outlet.
On the basis of such scheme, described appendix arranges spinner flowmeter.
On the basis of such scheme, sample mouth before set handling on described appendix.
On the basis of such scheme, described water-supply-pipe arranges eddy-current flowmeter.
On the basis of such scheme, described water-supply-pipe arranges pump
On the basis of such scheme, described Spawn incubation pond arranges constant temperature heating device; Aerator is connected bottom described Spawn incubation pond.
On the basis of such scheme, between described microbe filter tower bottom and described Spawn incubation pond, return duct is set.
On the basis of such scheme, set handling process sample mouth on the sidewall of described microbe filter tower.
The beneficial effects of the utility model are:
The utility model apparatus structure is simple, easy for installation, the actual conditions that the utility model device is grouped into for pending VOCs concentration and one-tenth, condensate recycling device is set, the convenient process containing VOCs waste gas, this device is highly stable for the treatment effect of VOCs, the VOCs concentration of gas outlet is low, and can not change by the change of inlet gas concentration, substantially increase treatment effeciency, reduce labour intensity, not only greatly save time cost, cost of material, energy cost, also made the VOCs of required process obtain high handling rate, non-secondary pollution.The setting of condensation recovery tower, can carry out recycling by the VOCs in waste gas.Also improve the treatment effect of device to waste gas to a certain extent.
Accompanying drawing explanation
The utility model has following accompanying drawing:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of for reclaiming and processing the device of waste gas containing VOCs, comprising: gas collector 1, water washing dedust device 2, microbe filter tower 4, Spawn incubation pond 8, reclaim storage tank 17 and condensation recovery tower 18;
The bottom UNICOM of described gas collector 1 and water washing dedust device 2; Described water washing dedust device 2 upper end arranges water inlet 2-1, and described water washing dedust device 2 lower end arranges discharge outlet 2-2; Described gas collector 1 is for the waste gas collected containing VOCs and waste gas is transported to water washing dedust device 2, gas upwards runs from the bottom of water washing dedust device 2, simultaneously, rinse water is injected from the water inlet 2-1 of water washing dedust device 2, rinse water is from up to down run, in running, the particle dust in waste gas is removed;
Described water washing dedust device 2 is connected with the bottom of described condensation recovery tower 18;
Described condensation recovery tower 18 and described microbe filter tower 4 are by appendix 3 UNICOM; Described appendix 3 one end is connected to the top of described condensation recovery tower 18, and the other end is connected to the lower end of described microbe filter tower 4;
Waste gas through water washing dedust device 2 dedusting arrives the top of water washing dedust device 2 and is transported in condensation recovery tower 18, and waste gas reclaims through condensation from bottom to top, and VOCs a large amount of in waste gas is recovered and is transported to and reclaims in storage tank 17; Gas after condensation is reclaimed is transported to microbe filter tower 4 through appendix 3; Waste gas upwards runs from microbe filter tower 4 lower end;
Microbe filter tower 4 is built with the volcanic filling material of applicable growth;
Described Spawn incubation pond 8 is by water-supply-pipe 15 and described microbe filter tower 4 UNICOM; Described water-supply-pipe 15 one end is connected to the bottom in described Spawn incubation pond 8, and the other end is connected to the spray equipment 16 on described microbe filter tower 4 top;
Entered the spray equipment 16 on microbe filter tower 4 top with the nutrient solution of bacterial classification from Spawn incubation pond 8 by water-supply-pipe 15, spray downwards afterwards, spray liquid contacts step by step with the waste gas containing VOCs run from bottom to top, and VOCs, through bacterial classification process, changes CO into 2and H 2o; Afterwards, the gas discharge outlet 13 that the gas after being processed is arranged by the top of described microbe filter tower 4 is discharged;
The bacterial classification that described Spawn incubation pond 8 is cultivated is bacillus subtilis, atrophy bacillus, pantothenic acid branch bacillus or bacillus cereus, wherein bacillus subtilis and atrophy bacillus are purchased from the holy fine jade biology in Shandong, and pantothenic acid branch bacillus and bacillus cereus are purchased from Shanghai Yan Sheng Industrial Co., Ltd..
In order to improve the culture effect of bacterial classification, described Spawn incubation pond 8 arranges constant temperature heating device 7; It can keep the proper temperature growth in Spawn incubation pond 8; In order to provide enough oxygen to the bacterium in Spawn incubation pond 8, bottom described Spawn incubation pond 8, connect aerator 6; Described water-supply-pipe 15 arranges pump 9, between the bottom of described microbe filter tower 4 and described Spawn incubation pond 8, return duct 14 is set.After spray liquid flows through microbe filter tower 4, flow into Spawn incubation pond 8 from return duct 14, not only can save mass propgation liquid and bacterial classification, the process of bacterium liquid circulation can play good booster action to bacteria selection.
Described appendix 3 arranges spinner flowmeter 5; The setting of spinner flowmeter 5, can control the transporting velocity of waste gas, sample mouth 11 before set handling on described appendix 3; The content of VOCs in waste gas can be detected; Described water-supply-pipe 15 arranges eddy-current flowmeter 10, the flow velocity of nutrient solution can be controlled.
Set handling process sample mouth 12 on the sidewall of described microbe filter tower 4; Arranging of processing procedure sample mouth 12 can sample at any time, detects the treatment effect of waste gas.
Specific embodiment of the utility model is only the object for exemplary illustration; it limits protection scope of the present invention never in any form; those skilled in the art can be improved according to the above description or be converted, and all these improve and convert the protection domain that all should belong to the utility model claims.

Claims (8)

1., for reclaiming and processing the device of waste gas containing VOCs, it is characterized in that: comprising: gas collector (1), water washing dedust device (2), microbe filter tower (4), Spawn incubation pond (8), reclaim storage tank (17) and condensation recovery tower (18);
The bottom UNICOM of described gas collector (1) and water washing dedust device (2);
Described water washing dedust device (2) upper end arranges water inlet (2-1), and described water washing dedust device (2) lower end arranges discharge outlet (2-2);
Described water washing dedust device (2) is connected with described condensation recovery tower (18);
Described condensation recovery tower (18) and described microbe filter tower (4) are by appendix (3) UNICOM; Described appendix (3) one end is connected to the top of described condensation recovery tower (18), and the other end is connected to the lower end of described microbe filter tower (4);
Described Spawn incubation pond (8) is by water-supply-pipe (15) and described microbe filter tower (4) UNICOM; Described water-supply-pipe (15) one end is connected to the bottom of described Spawn incubation pond (8), and the other end is connected to the spray equipment (16) on described microbe filter tower (4) top;
The top of described microbe filter tower (4) arranges gas discharge outlet (13).
2. according to claim 1 for reclaiming and processing the device of waste gas containing VOCs, it is characterized in that: described appendix (3) is arranged spinner flowmeter (5).
3. according to claim 1 for reclaiming and processing the device of waste gas containing VOCs, it is characterized in that: sample mouth (11) before the upper set handling of described appendix (3).
4. according to claim 1 for reclaiming and processing the device of waste gas containing VOCs, it is characterized in that: described water-supply-pipe (15) is arranged eddy-current flowmeter (10).
5. according to claim 1 for reclaiming and processing the device of waste gas containing VOCs, it is characterized in that: described water-supply-pipe (15) is arranged pump (9).
6. according to claim 1 for reclaiming and processing the device of waste gas containing VOCs, it is characterized in that: described Spawn incubation pond (8) arranges constant temperature heating device (7); Described Spawn incubation pond (8) bottom connects aerator (6).
7. according to claim 1 for reclaiming and processing the device of waste gas containing VOCs, it is characterized in that: between the bottom of described microbe filter tower (4) and described Spawn incubation pond (8), return duct (14) is set.
8. according to claim 1 for reclaiming and processing the device of waste gas containing VOCs, it is characterized in that: set handling process sample mouth (12) on the sidewall of described microbe filter tower (4).
CN201520408064.5U 2015-06-12 2015-06-12 A device for retrieving and handle waste gas that contains VOCs Active CN204746020U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105483045A (en) * 2015-12-23 2016-04-13 青岛泰西科环保工程有限公司 Strain composition for treating VOCs containing waste gas and method for treating VOCs containing waste gas
CN109954400A (en) * 2017-12-22 2019-07-02 万华化学集团股份有限公司 A kind of biology trickle bed and toluene waste gas recovery and processing system, method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105483045A (en) * 2015-12-23 2016-04-13 青岛泰西科环保工程有限公司 Strain composition for treating VOCs containing waste gas and method for treating VOCs containing waste gas
CN109954400A (en) * 2017-12-22 2019-07-02 万华化学集团股份有限公司 A kind of biology trickle bed and toluene waste gas recovery and processing system, method

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