CN204502791U - Organic exhaust gas Integral purifier - Google Patents
Organic exhaust gas Integral purifier Download PDFInfo
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- CN204502791U CN204502791U CN201520093112.6U CN201520093112U CN204502791U CN 204502791 U CN204502791 U CN 204502791U CN 201520093112 U CN201520093112 U CN 201520093112U CN 204502791 U CN204502791 U CN 204502791U
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Abstract
The utility model organic exhaust gas Integral purifier, comprise active carbon alternately to lower the temperature adsorbent equipment, heating in vacuum regeneration enrichment facility, cryogenic liquefaction separating and reclaiming device and microbiological oxidation decomposer, described active carbon alternately cooling adsorbent equipment comprises two groups of absorbent charcoal adsorption tanks, described cryogenic liquefaction separating and reclaiming device comprises inlet pipeline, freezing unit, ice chest, heat exchanger, cooling fan or water pump, liquefaction storage tank and supporting pipeline and valve, described microbiological oxidation decomposer comprises microbiological oxidation and decomposes main equipment and surfactant throwing device, described main equipment casing also has sewage draining exit, sewage draining valve and blow-off line, blow-off line passes through threeway, wash cycle water pump and three-way pipeline, connect the modified tank of mud of biological domestication culture apparatus and increment sludge treatment equipment respectively.The utility model structure is simple, good integrity, and purification efficiency is high, and anti-shock loading is strong, applied widely, and respond well.
Description
Technical field
The utility model relates to the technical field of organic exhaust gas comprehensive purifying, is a kind of technology of organic exhaust gas Integral purifier specifically.
Background technology
Along with becoming increasingly prosperous and the raising of people's living standard of market, the demand of people to designs and varieties such as articles for daily use, furniture, clothes, household electrical appliance, adornments constantly increases, outward appearance and apparent quality requirements also more and more higher.Therefore, Surface Processing Industry obtains development at full speed during the last ten years in reform and opening-up three.But because the policy dynamics of environmental protection lacks, Environmental capacity is not enough, causes a large amount of organic pollution (VOC) to discharge, become one of accomplice of the haze contamination accident constantly occurred in all parts of the country today.In daily activity in production, spray paint, Plate making printing, plating, leather production, polishing, clothing cloth arrangement, dry-cleaning, Cosmetic Manufacture, every day all can produce a large amount of Volatile organic emissions to atmospheric environment, these volatile organic matter molecules are the heavy PM of atmosphere pollution
2.5one of main arch-criminal.Serious impact is caused on atmospheric environment.
Tackle volatile organic matter to pollute, the technique now used mainly contains: high concentration adopts directly burning, and RTO heat-accumulation combustion, middle low concentration adopt active carbon adsorption to concentrate and catalytic combustion, active carbon adsorption deal with process, molecular sieve adsorption reclaims, organic solvent absorbs the techniques such as thermal regeneration.
Existing treatment process major drawbacks:
1 direct burning or catalytic combustion process not only cause waste, and operating cost is higher, causes thermal pollution simultaneously;
2 charcoal absorptions due to adsorption capacity limited, very short time absorption saturated, adsorbing saturated active carbon cannot regenerate, and only abandons.Both caused secondary pollution, operating cost is too high, and what majority adopted this technique is the inspection dealing with environmental protection office substantially;
3 molecular sieve adsorption recovery process, are used for petrochemical industry at present, and the low concentration after absorption recovery is still discharged into atmospheric environment, does not tackle the problem at its root;
4 organic solvents absorb (as diesel oil absorption etc.) thermal regeneration technique, technically still immature, and the organic solvent be applicable to is few, and finite capacity, thermal regeneration complex process, potential safety hazard is many, and operating cost is high, can not get large area and popularizes.
Utility model content
The purpose of this utility model is to provide a kind of operating cost, and thermal regeneration technique is simple, safe and reliable, many maturation process organic assembling, the organic exhaust gas Integral purifier that treatment effeciency is high.
The utility model is realized by following technology path:
A kind of organic exhaust gas Integral purifier, it is characterized in that: described organic exhaust gas Integral purifier comprises active carbon and alternately to lower the temperature adsorbent equipment, heating in vacuum regeneration enrichment facility, cryogenic liquefaction separating and reclaiming device and microbiological oxidation decomposer, described active carbon alternately cooling adsorbent equipment comprises two groups of absorbent charcoal adsorption tanks, filtrate gripper shoe is provided with in tank body in described two groups of absorbent charcoal adsorption tanks, it is equipped with active carbon, described two groups of absorbent charcoal adsorption tanks alternately cooling adsorb the organic component in organic exhaust gas, rotation thermal regeneration, microbiological oxidation decomposer is entered containing a small amount of organic exhaust gas and tail gas after absorption, described heating in vacuum regeneration enrichment facility comprises vavuum pump, inlet pipeline and circulating line, vavuum pump imported valve vavuum pump is equipped with, outlet valve and vacuum instrumentation, inlet pipeline and active carbon adsorbent equipment of alternately lowering the temperature is connected, circulating line is connected with cryogenic liquefaction separating and reclaiming device, what utilize organic component boiling point reduces under vacuum condition principle to be active carbon adsorption technology supportingly provides necessary condition, described cryogenic liquefaction separating and reclaiming device adopts cryogenic liquefaction isolating construction, what utilize organic component boiling point reduces under vacuum condition principle to be charcoal absorption supportingly provides necessary condition, the feature that described biological oxidation decomposer forms according to organic principle, configuration microbial nutrition throwing device, surfactant throwing device, microbial acclimation culture apparatus, select described biological activated sludge raw material as zinc cation liquid simultaneously, described microbial acclimation culture apparatus regenerates the sludge washing liquid recycled on the one hand, on the other hand the activated sludge adopted is carried out to the domestication cultivation of advantage deodorizing microorganism.
Described cryogenic liquefaction separating and reclaiming device comprises inlet pipeline, freezing unit, ice chest, heat exchanger, cooling fan or water pump, liquefaction storage tank and supporting pipeline and valve, the outlet that inlet pipeline one end regenerates enrichment facility with heating in vacuum is connected, the inlet pipeline other end is connected with ice chest, described ice chest there is also mounted organic gas circulating line, import refrigerant pipe, refrigerant valve and outlet refrigerant pipe, refrigerant valve and liquefaction pipeline and the valve that liquefies, ice chest is connected with liquefaction storage tank by liquefaction pipeline, described liquefaction storage tank is also configured with gas vent and gas outlet valve, gas valve and gas pipeline, liquefaction storage tank is connected by gas valve and gas pipeline and active carbon adsorbent equipment of alternately lowering the temperature.
Described microbiological oxidation decomposer comprises microbiological oxidation and decomposes main equipment and surfactant throwing device, described main equipment is provided with air inlet and intake stack, main equipment casing, biologic packing material gripper shoe and biologic packing material, spray equipment, wash cycle water pump and supporting pipeline, valve and air exhauster, enter the waste gas of main equipment casing, enter from biologic packing material bottom, through packing layer, the cleaning solution sprayed with spray equipment is incorgruous to be contacted, described main equipment casing also has sewage draining exit, sewage draining valve and blow-off line, blow-off line passes through threeway, wash cycle water pump and three-way pipeline, connect the modified tank of mud of biological domestication culture apparatus and increment sludge treatment equipment respectively.
Described biological domestication culture apparatus comprises culture tank main body and aeration pump, aerated conduit and aeration head, pipeline, valve, instrument annex, and the agitator of culture tank main body, measuring pump, pipeline, valve and instrument annex, described biological domestication culture apparatus is also provided with that mud adds pump, mud adds pipeline, mud adds valve and mud storage tank.
The modified tank of described mud is also provided with modified import, modified imported valve, modified inlet pipeline and mud import, mud imported valve, mud inlet pipeline.
Described increment sludge treatment equipment also comprises mixer, sludge pump, filter press and mud cake and connects dish, press filtration tank, drainage pipeline, valve.
Described tank body is jacket type structure, described two groups of absorbent charcoal adsorption tanks are configured with electric heater unit or hot water, cold feed EGR, also be configured with temperature test controller, described two groups of absorbent charcoal adsorption tanks alternately cooling adsorb the organic component in organic exhaust gas, rotation thermal regeneration, enters microbiological oxidation decomposer containing a small amount of organic exhaust gas and tail gas after absorption.
The utility model, compared to prior art, obviously has the following advantages:
1, the utility model adopt efficient active carbon alternately cooling absorbing treatment device be the stability of raising system, anti-shock loading and treatment effeciency, ensure the normal operation of whole system, the utility model is provided with active carbon and alternately lowers the temperature adsorbent equipment.Active carbon alternately cooling adsorbent equipment configures two groups of adsorbent equipments, the using and the reserved, is applicable to all VOCs treatment places, according to object setting adsorption time and regeneration period.Ensure that the treatment effeciency of whole system is more than 99%.
2, the utility model is installed at air inlet and is filtered and dehumidifier, filter removing pneumatic dust and impurity, and the moisture in dehumidifier removing gas ensures to reclaim product quality, reduces and reclaims operating cost.
3, the utility model adopts efficient active carbon alternately to lower the temperature adsorbent equipment, active carbon alternately cooling absorption thermal regeneration adsorption tanks adopts jacket type design, be provided with chuck, electric heater unit or hot water, cold feed EGR, temperature test controller, storage tank and circulating pump, according to different by absorption organic component boiling point, the temperature of setting cooling absorption and thermal regeneration.By heat transfer medium in chuck, heat (cold) is passed to adsorbent, take cooling absorption measure, improve adsorption efficiency and regeneration effect.
4, the utility model adopts efficient heating, vacuum regeneration techniques, (available electrical heating or hot water directly heat and configure hot water supply EGR, carry out thermal regeneration, shorten and saving time to adopt jacket type indirect, improve regeneration efficiency, indirect, safety are flexibly;
5, the utility model adopts heating in vacuum regeneration concentrated, simple to operate, can increase the charcoal absorption regeneration frequency, increase the service life of active carbon, reduce engineering cost and operating cost;
6, the utility model adopts simple ripe cryogenic liquefaction recovery technology, and the recovery of organic exhaust gas is simplified, and organic efficiency is high, regular job is convenient, overall efficiency improves greatly, has broken the technical threshold that organic exhaust gas simply reclaims, and provides technical support for popularizing in an all-round way;
7, the utility model creatively adopts activated sludge as washing agent on the microbiological oxidation decomposition technique of maturation, make full use of the tackness of activated sludge, adsorptivity, organic component in waste gas is adsorbed by it to greatest extent, transfer to liquid phase by gas phase and consider sludge growth, be configured with the modified and press filtration purifying processing device of mud, eliminate secondary pollution;
8, the utility model creatively configures microbial nutrition throwing device on the microbiological oxidation decomposition technique of maturation, mainly consider the difficulty that organic principle is decomposed by the microorganisms, for the microorganism of decomposing organic principle provides sufficient specific nutrition, impel superior microorganism growth and breeding, accelerate the decomposition rate of his organic gas component;
9, the utility model is according to the feature of the large molecule of handling object, ring-type organic exhaust gas component, creatively configuration surface activating agent throwing device on the microbiological oxidation decomposition technique of maturation, be not readily dissolved among inorganic aqueous solution according to organic matter, by adding surfactant, reduce the surface tension of cleaning solution, be convenient to organic component rapid solution in gas in the aqueous solution, select the just surface-active agent formula of natural N hydrate composition simultaneously, be easy to be decomposed by the microorganisms, reduce operating cost, improve purification efficiency;
10, the utility model is creatively configured with microbial acclimation culture apparatus on the microbiological oxidation decomposition technique of maturation, and the zinc cation liquid of microbiological oxidation stepwise device is constantly regenerated, and domestication and cultivation keep biologically active, improve discomposing effect
11, the utility model main equipment is modularization complexes, and equipment conveying is convenient, and occupation area of equipment is little, compact conformation, and good looking appearance is generous.Equipment color can according to ambient color match selection, reserved enough repair and maintenance spaces.
12, the utility model adopts automatic control completely, reliable and stable, need not personnel are on duty guards, and realizes automatic operation.The method of operation of system is with continuous 24 hours/God's will principle of conduct, also the possibility of different disposal object intermittent duty can be met, whole system should have manually, automatic control, long-range three kinds of control modes, main control parameters can access existing long distance control system.
13, the utility model list cover disposal ability from 300 ~ 100000 cubic metres/time, accommodation is widely.
14, the utility model is mainly used in following place: institute's organic gas purification in the plate-making of the spraying paint of full-sized car, container industry, baking vanish workshop, all kinds of furniture painting workshop, various scale, machine room, leather production line, cloth finishing line, surface finish process (mobile phone, wrist-watch, shoemaking, stamp etc.) production and processing place.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model organic exhaust gas Integral purifier;
Fig. 2 is the utility model active carbon alternately cooling adsorbent equipment structural representation;
Fig. 3 is the utility model heating in vacuum regeneration enrichment facility structural representation;
Fig. 4 is the utility model cryogenic liquefaction separating and reclaiming device structural representation;
Fig. 5 is the utility model microbial nutrition throwing device structural representation;
Fig. 6 is the utility model surfactant throwing device structural representation;
Fig. 7 is the utility model biological domestication culture apparatus structural representation;
Fig. 8 is the utility model increment sludge treatment equipment structural representation;
Fig. 9 is that main equipment structural representation is decomposed in the utility model microbiological oxidation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model organic exhaust gas comprehensive purification system comprises active carbon alternately cooling adsorption section 1, heating in vacuum regeneration enriching section 2, cryogenic liquefaction separation and recovery section 3, microbiological oxidation decomposition section 4.
As shown in Figure 2, active carbon alternately cooling adsorption section 1 comprises adsorption tanks 01 for jacket type and designs, be provided with chuck 011, electric heater unit 012 or hot water, cold feed EGR 013 and temperature test controller 014, in tank body, be provided with filtrate gripper shoe 015, it is equipped with active carbon 016, described active carbon alternately cooling adsorption section 1 is provided with filter at air inlet 0101 and dehumidifier 0102, filter removing pneumatic dust and impurity air inlet 017 and intake stack 018, air intake valve 019, temperature, pressure instrument 0110, charging door 0111, discharge port 0112, air outlet 0113 and wind pipe 0114, air-out valve 0115, wind pipe 0125, ice chest backflow import 0116, ice chest backflow imported valve 0117, ice chest backflow inlet pipeline 0118, regeneration import 0119, regeneration pipeline 0120, regeneration control valve 0121, this section is provided with vacuum conditions import 0122, vacuum conditions pipeline 0123, vacuum breaker 0124.
As shown in Figure 2, the adsorption tanks 01 of active carbon alternately cooling adsorption section 1 are also provided with discharge outlet 0126 and draining valve 0127.The adsorption tanks 01 of described jacket type design configure hot water, cold feed EGR 013 also supporting have hot water, cold feed circulation import 111, valve 112, hot water, cold feed loop exit 113, valve 1131, hot water, cold feed circulating pump 01310, circulating pump after connect the storage tank 0136 and storage tank inlet valve 0133, pipeline 0135, outlet valve 0137, pipeline 0139, circulating line 0131, circulating line 0132 that valve 0138 is connected with circulating pump.
As Fig. 2, adsorption tanks 02 design for jacket type, mainly illustrate chuck 021, electric heater unit 022 or hot water, cold feed EGR 023 and temperature test controller 024, are provided with filtrate gripper shoe 025 in tank body, it is equipped with active carbon 026; Described active carbon alternately cooling adsorption section 1 is provided with filter at air inlet and dehumidifier, filter removing pneumatic dust and impurity air inlet 027 and intake stack 028, air intake valve 0219, temperature, pressure instrument 0210, charging door 0211, discharge port 0212, air outlet 0213 and air-out valve 0214, wind pipe 0215, ice chest backflow import 0216, ice chest backflow imported valve 0217, ice chest backflow inlet pipeline 0218, and all the other structures such as figure carries out identifications regeneration import, regeneration pipeline with reference to the annexation of adsorption tanks 01, regenerates control valve; This section is provided with vacuum conditions import, vacuum conditions pipeline, vacuum breaker.
As shown in Figure 3, heating in vacuum regeneration enriching section 2 comprises this section and is provided with vavuum pump 21, it is equipped with vavuum pump imported valve 22, outlet valve 23, vacuum instrumentation 24, vacuum instrumentation 25, heating in vacuum regeneration enriching section 2 is provided with inlet pipeline 26 and circulating line 27, this inlet pipeline is connected from regenerating valve 28 and the active carbon of active carbon alternately cooling adsorption section 1 adsorption section 1 of alternately lowering the temperature, and circulating line 27 is connected with cryogenic liquefaction separation and recovery section 3.
As shown in Figure 4, cryogenic liquefaction separation and recovery section 3 comprises freezing unit 31, ice chest 32, heat exchanger 33, cooling (fan) water pump 34, reclaims storage tank 35 and supporting pipeline 36 valve 37 etc., cryogenic liquefaction separation and recovery section 3 imported valve 38 is provided with inlet pipeline 39, inlet pipeline 39 one end and heating in vacuum regenerate enriching section 2 and export and be connected, inlet pipeline 39 other end connects the imported valve 310 of ice chest 32, ice chest 32 is provided with organic gas inlet pipeline 39 and organic gas circulating line 311, import refrigerant pipe 312, refrigerant valve 313 and outlet refrigerant pipe 314, refrigerant valve, import refrigerant pipe 312 connects freezing unit refrigerant exit 323, outlet refrigerant pipe 314 connects heat exchanger refrigerant circulation inlet pipeline 324 and is connected with interchanger refrigerant circulation valve 325, the interchanger inlet pipeline 324 of cryogenic liquefaction separation and recovery section 3 connects the refrigerant circulation circulating line 314 of ice chest 32, interchanger, circulating line 326 connects freezing unit refrigerant circulation inlet pipeline 327, freezing unit refrigerant circulation pipeline connects the refrigerant circulation inlet pipeline on ice chest, cryogenic liquefaction separation and recovery section ice chest 32 is also configured with liquefaction pipeline 316 and is connected with liquefaction storage tank 35 with liquefaction valve 317, liquefaction pipeline 316, the organic gas component of post liquefaction is stored in liquefaction storage tank 35, liquefaction storage tank 35 is also configured with gas vent 318 and gas valve 319 and gas pipeline 320, a small amount of organic gas of liquefaction storage tank 35 upper space replaces cooling adsorption section 1 by gas valve 319 and gas pipeline 320 periodic exhaustion to active carbon and is again adsorbed, and in liquefaction storage tank 35, reuse is transported in the regular barrelling of liquefaction portion.
As shown in Figure 9, microbiological oxidation decompose section 4 comprise be provided with air inlet 451 and intake stack 452 microbiological oxidation resolving device casing 453, biologic packing material gripper shoe 454 and biologic packing material 455, spray equipment 456, wash cycle water pump 457 and supporting pipeline, valve 458, air exhauster 459; Micro-described microbiological oxidation decomposition section 4 equipment box 453 also have sewage draining exit 45531, sewage draining valve 4532 and blow-off line 4533; Blow-off line 4533, by threeway 4534, wash cycle water pump 457, three-way pipeline 4535, connects the modified tank 421 of mud of biological domestication culture apparatus 44 and increment sludge treatment equipment 42 respectively.
As shown in Figure 5, microbiological oxidation decomposition section 4 is also configured with the annex 435 such as microbial nutrition throwing device 43 and agitator 431, measuring pump 432, pipeline 433, valve 434, instrument.
As shown in Figure 6, microbiological oxidation decomposition section 4 is also configured with the annex 415 such as surfactant throwing device 41 and agitator 411, measuring pump 412, pipeline 413, valve 414, instrument.
As shown in Figure 7, microbiological oxidation is decomposed section 4 and is also configured with biological domestication culture apparatus 44, and biological domestication culture apparatus 44 is configured with the annex 446 such as culture tank main body 440 and aeration pump 441, aerated conduit and aeration head 442, pipeline 444, valve 445, instrument.Described biological domestication culture apparatus 44 is also configured with that mud adds pump 447, mud adds pipeline 448, mud adds valve 449 and mud storage tank 4410, mud storage tank 4410 is configured with mud import 4411, mud inlet pipeline 4412, valve 4413 and mud adds pump discharge 4414, sludge circulation pipeline 4415, valve 4416.Culture tank main body 440 top also has mud to add import 4404, add pipeline 4406, add control valve 4405, sludge pipe 4401 that the needs that are connected with the sewage draining exit on biological oxidation main equipment casing 453 in addition regenerate, control valve 4402, mud import 4403, and access hole 4407.
As shown in Figure 8, microbiological oxidation decompose section 4 be also configured with increment sludge treatment equipment 42 and mud modified tank 421 mixer 422 sludge pump 423, filter press 424 and mud cake connect dish 425, press filtration tank 426, drainage pipeline 427, valve 428.Increment mud regularly carries out modulating rear press filtration, and mud cake 429 transports outward landfill, and pressing filtering liquid 4210 is got back to microbiological oxidation with water as a supplement and decomposed section 4; Described microbiological oxidation decompose section 4 rise in value sludge treatment equipment 42 the modified tank of mud 421 on also have modified import 4211, modified imported valve 4212, modified inlet pipeline 4213 and mud import 4214, mud imported valve 4215, mud inlet pipeline 4216.Increment mud regularly carries out modulating rear press filtration, and mud cake 429 transports outward landfill, and pressing filtering liquid 4210 is got back to microbiological oxidation with water as a supplement and decomposed section 4.
The active carbon alternately organic component of lowering the temperature in adsorption section 1 pair of waste gas carries out adsorption cleaning, process hockets, after one group of adsorption tanks absorption is saturated, this adsorption tanks 01 import electrically operated valve 019 outlet electric valve door 0115 is closed, proceed to reproducer, another group adsorption tanks 02 import electrically operated valve 0219 outlet electric valve door 0225 is opened, and enters adsorption process; The gas of the still remaining micro-organic principle after absorption enters microbiological oxidation and decomposes section 4.
Heating in vacuum regeneration concentration process be when one group of adsorption tanks 01 adsorb saturated after, this adsorption tanks 01 import electrically operated valve 0115 outlet electric valve door 0115 is closed, and proceeds to reproducer.Heating in vacuum regeneration enriching section 2 regenerating valve 028 is opened, regenerative vacuum pump 21 starts, regulate vavuum pump vacuum as required, continuously regeneration is vacuumized to the saturated active carbon of absorption in adsorption tanks 01, by improving the vacuum of adsorption tanks 01, reduce the boiling point of organic component, the organic gas component in active carbon 016 is extracted out, delivers in the ice chest 32 of cryogenic liquefaction separation and recovery section 3.The working procedure of cryogenic liquefaction separation and recovery section is, according to the condensing temperature of organic component, is undertaken freezing, make it liquefy, be recycled by the organic component extracted out vacuum regeneration section 2.Regenerative vacuum pump 21 starts, cryogenic liquefaction separation and recovery section freezing unit 31 synchronous averaging, ice chest 32 temperature is made to be reduced to below reclaimed organic component condensing temperature, the organic component that vavuum pump 21 is extracted out, ice chest 32 is entered, at ice chest 32 post liquefaction by pipeline 39, again by liquefaction pipeline 316 and liquefaction valve 35, enter liquefaction storage tank 35 and store, regular barrelling reuse.
The a small amount of organic component be not liquefied in ice chest 32, again enters adsorption tanks 02 by the gas vent 311 of ice chest 32 or directly enters microbiological oxidation and decompose the import of section 6; The organic component of a small amount of gasifying section in liquefaction storage tank 35, reenters adsorption tanks 02 by liquefaction storage tank 35 exhaust outlet 317 and discharge duct 320 and again adsorbs; Due to the freezing unit 31 of cryogenic liquefaction separation and recovery section be configured with heat exchanger 325, compression refrigerant temperature after ice chest 32 rises, the heat produced in freezing unit 31 compression refrigerant process is distributed by interchanger 325, ensure cryogenic liquefaction separation and recovery section continuous firing, stable operation; Enter microbiological oxidation through charcoal absorption purified gas and decompose section 4.Decompose section 4 due to microbiological oxidation and be provided with microbiological oxidation decomposition main equipment 45, main equipment 45 is provided with air inlet 451 and intake stack 452, main equipment casing 453, biologic packing material gripper shoe 454 and biologic packing material 455, spray equipment 456, wash cycle water pump 457 and supporting pipeline, valve 458, air exhauster 459, enter the waste gas of main equipment casing 453, enter from biologic packing material 455 bottom, through packing layer 455, the cleaning solution sprayed with spray equipment 456 is incorgruous to be contacted, the surface active ingredient added in cleaning solution is that cleaning solution surface tension reduces, organic component is adsorbed, dissolving enters in cleaning solution, gas phase proceeds to liquid phase, cleaning solution is by spraying, uniformly across filler, while parcel filling surface, penetrate into filler internal layer hole, organic molecule in liquid phase will biomembrane absorption in filled surface and internal layer hole, catch, thus by biological oxidation, decompose.
Decomposing section 4 due to microbiological oxidation adopts activated sludge as biocleaner, and activated sludge wide material sources, cheap and easy to get, cost is extremely low, and its good bonding, absorption property are superior biocleaners.Activated sludge working concentration as biocleaner is 8000-12000mg/l.Decompose section 4 due to microbiological oxidation and be also configured with microbial nutrition throwing device 41; The nutrition added is composite nutrient, and its proportion of composing is: molasses 15-18%, methyl alcohol 10-15%, peptone 12-18%%, composite fertilizer 20-25%%, urea 15+20%, and humic acid 10-15% forms, frivolous stone flour 100 order) 8-10%.The method used is: warm water mixed dissolution, warm water proportion is 60%, the airtight preservation of barrelling.Microbiological oxidation is decomposed section 4 and is also configured with surfactant throwing device 43; Surfactant is selected to adopt a and type, and consumption is 10-25g/l.Decompose section 4 due to microbiological oxidation and be also configured with biological domestication culture apparatus 44, on the one hand the sludge washing liquid recycled is regenerated, on the other hand the activated sludge adopted is carried out to the domestication cultivation of advantage deodorizing microorganism, make it be adapted to the environment of organic component in waste gas decomposition, improve difference in waste gas and the decomposition efficiency of complicated organic component.Because the supporting increment sludge treatment equipment 42 of section 4 is decomposed in microbiological oxidation, minimizing process to greatest extent can be carried out to the increment mud produced in system operation, after press filtration, mud cake can do common garbage disposal, and filtrate cycle uses, and accomplishes zero-emission to greatest extent.
The utility model collection active carbon is alternately lowered the temperature absorption, heating in vacuum regeneration is concentrated, cryogenic liquefaction separation and recovery, the comprehensive organic waste-gas purification technique that kinds of processes is integrated is decomposed in microbiological oxidation, form a set of combined system, the utility model decomposes employing activated sludge to the biological oxidation of the great organic component of difficulty in waste gas and does biocleaner, make full use of the tackness of mud, adsorptivity impels the organic component in gas phase to transfer to liquid phase to greatest extent, by adding the surfactant of special construction, reduce cleaning solution surface tension, organic principle is made to be dissolved in solution, accelerate mass transport process, simultaneously by adding the biological nutrient of special formulation to activated sludge, domestication is cultivated in the superior microorganism breeding accelerating decomposing organic pollutant, in addition pay in aeration process, activated sludge is kept must concentration and activity, impels activated sludge to regenerate and domesticating device synchronously carries out, activated sludge recycles to greatest extent, while supplementing a small amount of fresh sludge, increment mud timing filter-press, filtrate recycle, reduce secondary pollution, substantially accomplish zero-emission.The utility model structure is simple, good integrity, and purification efficiency is high, and anti-shock loading is strong, applied widely, and respond well.
The utility model organic waste-gas purification method is formed by collecting the active carbon comprehensive organic waste-gas purification technique that absorption, heating in vacuum regenerate concentrated, cryogenic liquefaction separation and recovery, microbiological oxidation is decomposed into one of alternately lowering the temperature, include alternately cooling absorption activated carbon adsorbent equipment, heating in vacuum regeneration enrichment facility, cryogenic liquefaction separating and reclaiming device and microorganism washing and filtering oxygenolysis device accordingly, microorganism washing and filtering oxygenolysis device is called for short microbiological oxidation decomposer.Wherein alternately cooling absorption activated carbon adsorbent equipment has two groups of absorbent charcoal adsorption tanks alternately to lower the temperature absorption, rotation thermal regeneration, and a small amount of organic exhaust gas that contains after absorption enters the process of microorganism washing and filtering oxidation unit, qualified discharge; By heating in vacuum regeneration enrichment facility, the organic gas component in absorbent charcoal adsorption tank saturated for absorption is extracted out during regeneration, and by the method increasing vacuum, the organic gas component boiling point be attracted in activated carbon capillary is reduced, more easily be reproduced displacement, the organic gas component of extracting out directly sends into cryogenic liquefaction separating and reclaiming device, by the condensing temperature of the organic component of refrigeration cool-down, organic component liquefaction separation is entered in liquefaction storage tank, and barrelling is reclaimed; Do not have enough time to be liquefied a small amount of organic gas reclaimed, and the component belonged in recyclable boiling point is delivered to adsorption tanks again and again adsorbed, and repeat to reclaim, the component belonged in not recyclable boiling point then delivers to microorganism washing and filtering oxygenolysis device.For ensureing that organic exhaust gas is more easily decomposed by microbiological oxidation, surfactant component must be added in microorganism cleaning solution and adding microbial nutrition material, microorganism more easily being tamed, cultivates, keep enough activity.
The utility model has following feature:
1, active carbon alternately lowers the temperature that absorption, heating in vacuum regeneration are concentrated, cryogenic liquefaction separation and recovery, microbiological oxidation decompose and be organically combined, can formation process modular composition, described active carbon alternately cooling adsorbent equipment is arranged in front end, and waste gas is after charcoal absorption process for the using and the reserved (using regeneration), and tail gas enters microbiological oxidation decomposer and is for further processing, described biological oxidation decomposer is arranged in rear end, waste gas after humidification and zinc cation process from bottom to top enters biofiltration device, microbial nutrient solution is distributed to above packing layer after being atomized by top, biofiltration district equably, and from top to bottom enter filling surface, when gas from bottom to top moves, odor molecules in gas is through packing layer, the biomembrane formed with filling surface fully contacts, by microbiological oxidation, decompose, odor molecules is converted into carbon dioxide, water, inorganic salts, mineral matter etc., thus reach the object of peculiar smell purification, gas guides to emission by exhaust pipe through air exhauster after biofiltration purification.Active carbon alternately cooling absorption ensures the using and the reserved, ensures the stable operation of system.After the absorption of one group of adsorption tanks is saturated, its terminal valve is closed, and enters reproducer, and another group adsorption tanks terminal valve is opened, and enters adsorption process, and the complete one group of adsorption tanks of vacuum regeneration are in armed state for subsequent use.Because active carbon is alternately lowered the temperature absorption, design can select certain surplus, suitable activity charcoal adsorption tanks, select the vacuum regeneration equipment compared with small dimension and cryogenic liquefaction reclaimer, reduce energy consumption to greatest extent.
2, the vacuum regeneration technology of heating in vacuum regeneration enrichment facility employing, breach the technical bottleneck of organic exhaust gas adsorption regeneration, utilize the principle that organic component boiling point reduces under vacuum condition, reduce regeneration difficulty and improve regeneration efficiency, reduce regeneration cost, for the supporting of active carbon adsorption technology provides necessary condition.
3, the cryogenic liquefaction isolation technics of cryogenic liquefaction separating and reclaiming device employing, give the intension that the ripe cryogenic liquefaction isolation technics of tradition is new, for it is in the technical bottleneck in organic exhaust gas adsorption regeneration recovery field, utilize the principle that organic component boiling point reduces under vacuum condition, reduce regeneration difficulty and improve regeneration efficiency, reduce regeneration cost, for the supporting of active carbon adsorption technology provides necessary condition.The cryogenic liquefaction isolation technics that cryogenic liquefaction separating and reclaiming device adopts is installed at air inlet and is filtered and dehumidifier, filter removing pneumatic dust and impurity, and the moisture in dehumidifier removing gas ensures to reclaim product quality, reduces and reclaims operating cost.
4, the feature that forms according to organic principle of biological oxidation decomposer, the greatest feature of biological oxidation decomposer of the present utility model is configured with microbial nutrition throwing device, surfactant throwing device, microbial acclimation culture apparatus, select this inexpensive, inexhaustible raw material of biological activated sludge as the zinc cation liquid of biological oxidation share rank device simultaneously, start the new page of microbiological oxidation decomposing organic pollutant.Biological oxidation decomposer adopts activated sludge as washing agent, make full use of the tackness of activated sludge, adsorptivity, organic component in waste gas is adsorbed by it to greatest extent, transfer to liquid phase by gas phase and consider sludge growth, be configured with the modified and press filtration purifying processing device of mud, eliminate secondary pollution.Biological oxidation decomposer is configured with microbial nutrition throwing device, mainly consider the difficulty that organic principle is decomposed by the microorganisms, for the microorganism of decomposing organic principle provides sufficient specific nutrition, impel superior microorganism growth and breeding, accelerate the decomposition rate of his organic gas component.Biological oxidation decomposer is configured with surfactant throwing device, be not readily dissolved among inorganic aqueous solution according to organic matter, by adding surfactant, reduce the surface tension of cleaning solution, be convenient to organic component rapid solution in gas in the aqueous solution, select the just surface-active agent formula of natural N hydrate composition simultaneously, be easy to be decomposed by the microorganisms, reduce operating cost, improve purification efficiency.Biological oxidation decomposer is configured with microbial acclimation culture apparatus, and the zinc cation liquid of microbiological oxidation stepwise device is constantly regenerated, and domestication and cultivation keep biologically active, improve discomposing effect.
Claims (7)
1. an organic exhaust gas Integral purifier, is characterized in that: described organic exhaust gas Integral purifier comprise active carbon alternately lower the temperature adsorbent equipment, heating in vacuum regeneration enrichment facility, cryogenic liquefaction separating and reclaiming device and microbiological oxidation decomposer,
Described active carbon alternately cooling adsorbent equipment comprises two groups of absorbent charcoal adsorption tanks, filtrate gripper shoe is provided with in tank body in described two groups of absorbent charcoal adsorption tanks, it is equipped with active carbon, described two groups of absorbent charcoal adsorption tanks alternately cooling adsorb the organic component in organic exhaust gas, rotation thermal regeneration, microbiological oxidation decomposer is entered containing a small amount of organic exhaust gas and tail gas after absorption
Described heating in vacuum regeneration enrichment facility comprises vavuum pump, inlet pipeline and circulating line, vavuum pump imported valve, outlet valve and vacuum instrumentation vavuum pump be equipped with, inlet pipeline and active carbon adsorbent equipment of alternately lowering the temperature is connected, circulating line is connected with cryogenic liquefaction separating and reclaiming device, what utilize organic component boiling point reduces under vacuum condition principle to be active carbon adsorption technology supportingly provides necessary condition
Described cryogenic liquefaction separating and reclaiming device adopts cryogenic liquefaction isolating construction, and the principle utilizing organic component boiling point under vacuum condition to reduce is charcoal absorption supportingly provides necessary condition,
The feature that described biological oxidation decomposer forms according to organic principle, configuration microbial nutrition throwing device, surfactant throwing device, microbial acclimation culture apparatus, select described biological activated sludge raw material as zinc cation liquid simultaneously, described microbial acclimation culture apparatus regenerates the sludge washing liquid recycled on the one hand, on the other hand the activated sludge adopted is carried out to the domestication cultivation of advantage deodorizing microorganism.
2. organic exhaust gas Integral purifier according to claim 1, it is characterized in that: described cryogenic liquefaction separating and reclaiming device comprises inlet pipeline, freezing unit, ice chest, heat exchanger, cooling fan or water pump, liquefaction storage tank and supporting pipeline and valve, the outlet that inlet pipeline one end regenerates enrichment facility with heating in vacuum is connected, the inlet pipeline other end is connected with ice chest, described ice chest there is also mounted organic gas circulating line, import refrigerant pipe, refrigerant valve and outlet refrigerant pipe, refrigerant valve and liquefaction pipeline and the valve that liquefies, ice chest is connected with liquefaction storage tank by liquefaction pipeline, described liquefaction storage tank is also configured with gas vent and gas outlet valve, gas valve and gas pipeline, liquefaction storage tank is connected by gas valve and gas pipeline and active carbon adsorbent equipment of alternately lowering the temperature.
3. organic exhaust gas Integral purifier according to claim 1, it is characterized in that: described microbiological oxidation decomposer comprises microbiological oxidation and decomposes main equipment and surfactant throwing device, described main equipment is provided with air inlet and intake stack, main equipment casing, biologic packing material gripper shoe and biologic packing material, spray equipment, wash cycle water pump and supporting pipeline, valve and air exhauster, enter the waste gas of main equipment casing, enter from biologic packing material bottom, through packing layer, the cleaning solution sprayed with spray equipment is incorgruous to be contacted, described main equipment casing also has sewage draining exit, sewage draining valve and blow-off line, blow-off line passes through threeway, wash cycle water pump and three-way pipeline, connect the modified tank of mud of biological domestication culture apparatus and increment sludge treatment equipment respectively.
4. organic exhaust gas Integral purifier according to claim 3, it is characterized in that: described biological domestication culture apparatus comprises culture tank main body and aeration pump, aerated conduit and aeration head, pipeline, valve, instrument annex, and the agitator of culture tank main body, measuring pump, pipeline, valve and instrument annex, described biological domestication culture apparatus is also provided with that mud adds pump, mud adds pipeline, mud adds valve and mud storage tank.
5. organic exhaust gas Integral purifier according to claim 3, is characterized in that: the modified tank of described mud is also provided with modified import, modified imported valve, modified inlet pipeline and mud import, mud imported valve, mud inlet pipeline.
6. organic exhaust gas Integral purifier according to claim 3, is characterized in that: described increment sludge treatment equipment also comprises mixer, sludge pump, filter press and mud cake and connects dish, press filtration tank, drainage pipeline, valve.
7. organic exhaust gas Integral purifier according to claim 1, it is characterized in that: described tank body is jacket type structure, described two groups of absorbent charcoal adsorption tanks are configured with electric heater unit or hot water, cold feed EGR, also be configured with temperature test controller, described two groups of absorbent charcoal adsorption tanks alternately cooling adsorb the organic component in organic exhaust gas, rotation thermal regeneration, enters microbiological oxidation decomposer containing a small amount of organic exhaust gas and tail gas after absorption.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345221A (en) * | 2016-09-26 | 2017-01-25 | 广东环境保护工程职业学院 | Novel method for treating VOCs (Volatile Organic Compounds) waste gas of middle and small-sized enterprises |
| CN108793674A (en) * | 2018-08-31 | 2018-11-13 | 河北华运鸿业化工有限公司 | A kind of useless oil-base mud separating and reclaiming device |
-
2015
- 2015-02-09 CN CN201520093112.6U patent/CN204502791U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345221A (en) * | 2016-09-26 | 2017-01-25 | 广东环境保护工程职业学院 | Novel method for treating VOCs (Volatile Organic Compounds) waste gas of middle and small-sized enterprises |
| CN108793674A (en) * | 2018-08-31 | 2018-11-13 | 河北华运鸿业化工有限公司 | A kind of useless oil-base mud separating and reclaiming device |
| CN108793674B (en) * | 2018-08-31 | 2023-12-12 | 河北华运鸿业化工有限公司 | Waste oil-based mud separating and recycling device |
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