CN102350204A - Modular absorbing and purifying device for volatile organic waste gases - Google Patents
Modular absorbing and purifying device for volatile organic waste gases Download PDFInfo
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- CN102350204A CN102350204A CN2011103141239A CN201110314123A CN102350204A CN 102350204 A CN102350204 A CN 102350204A CN 2011103141239 A CN2011103141239 A CN 2011103141239A CN 201110314123 A CN201110314123 A CN 201110314123A CN 102350204 A CN102350204 A CN 102350204A
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- 238000006386 neutralization reaction Methods 0.000 claims abstract description 19
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- 238000003860 storage Methods 0.000 claims description 67
- 239000002253 acid Substances 0.000 claims description 57
- 239000003513 alkali Substances 0.000 claims description 54
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Abstract
The invention discloses a modular absorbing and purifying device for volatile organic waste gases. The modular absorbing and purifying device comprises a dust and sundries removing unit, a water absorbing and purifying unit, an acid-base neutralization absorbing and purifying unit, an active carbon adsorbing and deodorizing unit, a back-flushing diluting unit, a connecting pipeline, pressure gages and valves. In a technical scheme provided by the invention, a main pipeline is arranged in a vehicle-mounted container, one end of the main pipeline is provided with a hazardous gas suction port, and a draught fan and an evacuation valve are arranged at an outlet at the tail part of the main pipeline in sequence; the main pipeline is sequentially connected with an inlet and an outlet of the dust and sundries removing unit, an inlet and an outlet of the water absorbing and purifying unit, an inlet and an outlet of the acid-base neutralization absorbing and purifying unit, and an inlet and an outlet of the active carbon adsorbing and deodorizing unit, and the valves and the pressure gages are uniformly distributed on the main pipeline. The modular absorbing and purifying device disclosed by the invention belongs to an integrated treatment process and technical equipment for rapidly absorbing, purifying and diluting the volatile organic waste gases on the site of a sudden environmental accident, and is the modular system equipment integrated inside the container.
Description
Technical field
The present invention relates to the environmental technology field of volatile organic waste gas absorption cleaning, specifically a kind of modular absorbing and purifying device with volatile organic waste gas.
Background technology
Along with the continuous development of science and technology, the continuous progress of society, people's living standard is also constantly improving.People are also strengthening requirement on environmental protection when improving and advancing in living standard day by day.At present, some manufacturing enterprises with pollution sources have have also all researched and developed multiple relevant organic exhaust gas, effluent purifying recovery technology in succession like chemical industry, mining industry etc.For example: a kind of organic waste-gas purification retracting device; This device mainly comprises two above absorbers; Absorber connects valve and pending exhaust output tube road; The outlet of the absorber machine of giving a dinner for a visitor from afar; Though this device can avoid the organic exhaust gas of high concentration through blower fan and the pollution of avoiding causing because of system leak; But owing to lack units such as waste gas preliminary treatment, dedusting and ozone oxidation decomposition, but also can not move use, more can not be used for on-the-spot emergent use of unexpected environmental accident.Another kind of method for cleaning, recovering and treating painted lacquer exhaust organic gas and device, the method key step is: the elimination of organic exhaust gas process is sprayed paint except that dust, coating cloud, with the high boiling organic solvent composition condensation of boiling point greater than 110 ℃ in (1); (2) utilize high boiling solvent to absorb recover and reclaim high boiling organic solvent; (3) the residue organic exhaust gas is sent into adsorption tanks, and the organic solvent composition in the waste gas is adsorbed, and waste gas is through adsorption tanks absorption discharging later; (4) adopt the steam desorption method, with the organic solvent desorption of adsorption tanks absorption; (5) be liquid with solvent vapour behind the desorption and water vapor condensation; (6) condensed mixing material is separated with oil water separator, isolated organic solvent can be reused, the waste water otherwise processed of separating.Although this device can reclaim the resource of preciousness, reduce secondary pollution, also can reuse recovered solvent, reduce the consumption of the energy; But there is following defective: 1) do not have units such as waste gas ozone oxidation decomposition; 2) can not move use, 3) can not be used for on-the-spot emergent use of unexpected environmental accident.
In addition; It is a lot of that the relevant device about gas treatment is reported; But all be the device that absorbs processing to the waste gas that produces in pure gas or the production technology, that treatment process much has is absorption cleaning, that catalytic oxidation is arranged, device that methods such as heating or steam and salt solution handle or the like is arranged.
Its major defect: all be the stationary installation that purifies targetedly, can not move; All be to handle, also be not suitable for the processing that gets into the volatile organic waste gas in the environment to the waste gas of production process.
With regard to As-Is, for dry well, dell, people absorption, purification, dilution of inorganization source volatile organic waste gas such as the organic exhaust gas packing container that abandons, idle organic exhaust gas storage tank etc.; For the outburst surroundings scene of the accident by the absorption of the organic exhaust gas that evaporates in the solid of source in a organized way of centralized collection, the liquid pollutant, purification, dilution etc.; Still lack relevant emergency handling process and disposal plant for the absorbing fast of toxic harmful exhaust gas such as ammonia, carbon monoxide, hydrogen chloride, hydrogen sulfide, purification, dilution, oxidation Decomposition deodorizing etc.
Summary of the invention
The purpose of this invention is to provide a kind of modular absorbing and purifying device with volatile organic waste gas.Being that fast Absorption for the volatile organic waste gas of the outburst surroundings scene of the accident purifies and the integrated treatment process and the technical equipment of dilution, is the modular system equipment that is integrated in the container.
The objective of the invention is to realize like this: it includes dedusting and removes the foreign material unit; Water absorption cleaning unit; Acid-base neutralization absorption cleaning unit; Charcoal absorption and deodorizing unit; The blowback dilution unit; Connecting line, Pressure gauge and valve is characterized in that: in vehicle-mounted container, be provided with the dangerous gas suction inlet in its end and its afterbody exit is provided with the Trunk Line of air-introduced machine and emptying valve successively; On this Trunk Line, be connected with outlet with the import of dedusting successively except that the foreign material unit; Be connected with outlet with the import of water absorption cleaning unit; Be connected with outlet with the import of acid-base neutralization absorption cleaning unit, be connected with outlet with the import of charcoal absorption and deodorizing unit;
Dedusting removes the foreign material unit: include sack cleaner, with and inlet line be connected with Trunk Line through valve, and be provided with valve between the Trunk Line that sack cleaner inlet line and outlet line are connected;
Water absorption cleaning unit: comprise the water wash tower; With and inlet line be connected with Trunk Line through valve; With also be provided with valve between the Trunk Line that water wash tower inlet line and outlet line are connected; Also be provided with a leacheate storage tank near in the container of water wash tower; Be provided with the pipeline that pumps of band outlet valve, pump and valve between leacheate storage tank and the water wash tower, and be with the pipeline that pumps into of outlet valve, pump and valve;
Acid-base neutralization absorption cleaning unit: include two acid solution hydro-peening tower and alkali lye hydro-peening towers that are attempted by on the Trunk Line, and the neutralizer storage tank; The inlet line of said acid solution hydro-peening tower is connected with Trunk Line through valve; With also be provided with valve between the Trunk Line that acid solution hydro-peening tower inlet line and outlet line are connected; Also be provided with an acid solution storage tank near in the container of acid solution hydro-peening tower; Be provided with the pipeline that pumps of band outlet valve, pump and valve between acid solution storage tank and the acid solution hydro-peening tower, and be with the pipeline that pumps into of outlet valve, pump and valve; The inlet line of said alkali lye hydro-peening tower is connected with Trunk Line through valve; With also be provided with valve between the Trunk Line that alkali lye hydro-peening tower inlet line and outlet line are connected; Also be provided with an alkali lye storage tank near in the container of alkali lye hydro-peening tower; Be provided with the pipeline that pumps of band outlet valve, pump and valve between alkali lye storage tank and the alkali lye hydro-peening tower, and be with the pipeline that pumps into of outlet valve, pump and valve; The import of said neutralizer storage tank is connected with the pump discharge pipeline of water wash tower, the pump discharge pipeline of acid solution hydro-peening tower and the pump discharge pipeline of alkali lye hydro-peening tower through valve respectively;
Charcoal absorption and deodorizing unit: include two active carbon adsorption tower and ozone deodorizing towers that are attempted by on the Trunk Line Trunk Line; The inlet line of said active carbon adsorption tower is connected with Trunk Line through valve, and also is provided with valve between the Trunk Line that active carbon adsorption tower inlet line and outlet line are connected; The inlet line of said ozone deodorizing tower is connected with Trunk Line through gas distributor and valve; With also be provided with valve between the Trunk Line that ozone deodorizing tower inlet line and outlet line are connected; Also be provided with an ozone generator and cooling water tank near in the gas distributor container; The outlet of this cooling water tank communicates with ozone generator top water inlet through valve, pump, and ozone generator bottom delivery port then communicates with cooling water tank top water inlet; The outlet of ozone generator communicates with the ozone deodorizing tower through valve and gas distributor.
The present invention also comprises: the front end at the emptying valve also is set up in parallel valve, and the rear end of this valve also is provided with a jet air pressure gun that produces jet wind.
On pipeline of the present invention, also be furnished with Pressure gauge.
The present invention also comprises: the bottom at above-mentioned leacheate storage tank, acid solution storage tank, alkali lye storage tank, neutralizer storage tank and cooling water tank is provided with fluid pressure table and drain valve.
Between the outlet valve of described leacheate storage tank and pump, also be provided with a water filter.
Bottom at described ozone generator also is provided with an air intake.
Mechanism: the present invention purifies and the dilution integrated treatment process about the fast Absorption of the volatile organic waste gas of the outburst surroundings scene of the accident; Be with pernicious gas by gas skirt, collect after; Remove graininess grit, impurity etc. through sack cleaner; Pernicious gas entering water wash tower carries out drip washing then; Make water-soluble harmful substance get into the leacheate storage tank; Pernicious gas after the washing gets into acid solution hydro-peening tower again and carries out pickling; The harmful substance of alkalescence and the acid solution of spray are neutralized; Neutralizer after pickling gets into waste tank; Pernicious gas after the pickling gets into alkali lye hydro-peening tower again and carries out alkali cleaning; The acid harmful substance and the alkali lye of spray are neutralized; Neutralizer after alkali cleaning gets into waste tank; Pernicious gas after the alkali cleaning gets into the active carbon adsorption tower more successively and carries out the pernicious gas adsorption cleaning; After getting into the deodorizing of ozone deodorizing tower; The purpose that reaches adsorption cleaning or dilution is after the emptying of blower fan to discharge duct; Realize the harmful waste of the quick emergency processing scene of the accident, purified surrounding air.
This technology is directed against in a organized way or the organic exhaust gas of uncontrollable discharge with equipment; Adopt decontamination methods such as washing, absorption that waste gas is concentrated and purify or the technology of dilution, main technique unit and equipment comprise volatile organic waste gas collection and pretreatment unit, volatile organic waste gas wash and reach in and absorptive unit, charcoal absorption filtration and ozone oxidation resolving cell.
Advantage:
1, the centralized equipment of difference in functionality in a container; Can transport to the accident scene of speedily carrying out rescue work fast and carry out the quick emergency disposal of volatile organic waste gas; Can be according to the character of volatile organic waste gas, poisoning becomes to grade opens technological operations such as corresponding apparatus is washed, pickling, alkalescence, absorption, deodorizing.
2, be applicable to the processing that gets into the volatile organic waste gas in the environment, the emergency purifying of the organic exhaust gas that is specially adapted to can to send in the pollutant of the on-the-spot centralized collection of unexpected environmental accident is handled.
3, low toxicity high energy concentration waste gas (like methane) in dry well, the dell etc. is carried out the air blast dilution, lower the concentration of waste gas fast, play effects such as quick rescue.
Description of drawings
Fig. 1 is that the present invention purifies and dilution process flow process simplified schematic diagram the volatile organic waste gas fast Absorption in the outburst surroundings scene of the accident;
Fig. 2 is a modular integrating device structural configuration simplified schematic diagram of the present invention.
The symbol description of accompanying drawing major part
A) volatile organic waste gas gas collection unit: gas collection mouth and special-purpose gas skirt 40;
B) dedusting removes the foreign material unit: sack cleaner T701;
C) water absorption cleaning unit: eluting column T702, V701 leacheate storage tank V701;
D) acid-base neutralization absorption cleaning unit: acid solution hydro-peening tower T703, acid solution storage tank V702, alkali lye hydro-peening tower T704, alkali lye storage tank V704, neutralizer storage tank V703;
E) charcoal absorption and deodorizing unit: active carbon adsorption tower T705, ozone generator T706, cooling water tank V705, ozone deodorizing tower T707.
F) blowback dilution unit: blower fan and gas injection apparatus C701;
G) auxiliary unit: Electric Appliance Cabinet 44, Trunk Line 50 and pipe joint assembly, gas transmission line;
H) concentrate integrated box unit: through the container body that has firm banking 45 of repacking.
To combine accompanying drawing below and the present invention done further explain through instance; But following instance only is the present invention's example wherein; The rights protection scope of not representing the present invention and being limited, rights protection scope of the present invention is as the criterion with claims.
The specific embodiment
Instance 1:
Shown in Fig. 1-2; Among the figure 45 is the container body that has firm banking vehicle-mounted and through reequiping; In vehicle-mounted container body 45, be provided with hazardous gas suction inlet, imported valve 1 that its end has gas skirt 40, and its afterbody exit is provided with the Trunk Line 50 of air-introduced machine C701, emptying valve 14 and emptying outlet 43 successively; On this Trunk Line 50, be connected with outlet with the import of dedusting successively except that the foreign material unit; Be connected with outlet with the import of water absorption cleaning unit; Be connected with outlet with the import of acid-base neutralization absorption cleaning unit, be connected with outlet with the import of charcoal absorption and deodorizing unit;
Described dedusting removes the foreign material unit: include sack cleaner T701, with and inlet line be connected with Trunk Line 50 through valve 2, and be provided with valve 3 between the Trunk Line that sack cleaner T701 inlet line and outlet line are connected;
Described water absorption cleaning unit: comprise water wash tower T702; With and inlet line be connected with Trunk Line 50 through valve 4; With also be provided with valve 5 between the Trunk Line 50 that water wash tower T702 inlet line and outlet line are connected; Also be provided with a leacheate storage tank V701 near in the container of water wash tower T702; Be provided with the pipeline that pumps of band outlet valve 17, pump P701 and valve 18 between leacheate storage tank and the water wash tower, and be with the pipeline that pumps into of outlet valve 19, pump P702 and valve 20; In addition, between the outlet valve 17 of leacheate storage tank V701 and pump P701, also be provided with a water filter 41.
Described acid-base neutralization absorption cleaning unit: include two acid solution hydro-peening tower T703 and alkali lye hydro-peening tower T704 that are attempted by on the Trunk Line 50, and neutralizer storage tank V703; The inlet line of said acid solution hydro-peening tower T703 is connected with Trunk Line 50 through valve 6; With also be provided with valve 7 between the Trunk Line 50 that acid solution hydro-peening tower T703 inlet line and outlet line are connected; Also be provided with an acid solution storage tank V702 near in the container of acid solution hydro-peening tower T703; Be provided with the pipeline that pumps of band outlet valve 23, pump P704 and valve 24 between acid solution storage tank and the acid solution hydro-peening tower, and be with the pipeline that pumps into of outlet valve 25, pump P703 and valve 26; The inlet line of said alkali lye hydro-peening tower T704 is connected with Trunk Line 50 through valve 8; With also be provided with valve 9 between the Trunk Line 50 that alkali lye hydro-peening tower T704 inlet line and outlet line are connected; Also be provided with an alkali lye storage tank V704 near in the container of alkali lye hydro-peening tower T704; Be provided with the pipeline that pumps of band outlet valve 29, pump P706 and valve 30 between alkali lye storage tank V704 and the alkali lye hydro-peening tower T704, and be with the pipeline that pumps into of outlet valve 31, pump P705 and valve 32; The import of said neutralizer storage tank V703 is connected with the pump P702 outlet line of water wash tower T702, the pump P703 outlet line of acid solution hydro-peening tower T703 and the pump P705 outlet line of alkali lye hydro-peening tower T704 through valve 22, valve 28 and valve 32 respectively;
Described charcoal absorption and deodorizing unit: include two active carbon adsorption tower T705 and ozone deodorizing tower T707 that are attempted by on the Trunk Line 50; The inlet line of said active carbon adsorption tower T705 is connected with Trunk Line 50 through valve 10, and also is provided with valve 11 between the Trunk Line 50 that active carbon adsorption tower T705 inlet line and outlet line are connected; The inlet line of said ozone deodorizing tower T707 is connected with Trunk Line 50 through gas distributor T708 and valve 12; With also be provided with valve 13 between the Trunk Line 50 that ozone deodorizing tower T707 inlet line and outlet line are connected; Also be provided with an ozone generator T706 and cooling water tank V705 near in the gas distributor T708 container body 45; The outlet of this cooling water tank V705 communicates with ozone generator T706 top water inlet through valve 36, pump P707, and ozone generator T706 bottom delivery port then communicates with cooling water tank V705 top water inlet; The outlet of ozone generator T706 communicates with ozone deodorizing tower T707 through valve 37 and gas distributor T708.In addition, also be provided with an air intake 46 in the bottom of ozone generator T706.
The fluid pressure table that is provided with drain valve 21, drain valve 27, drain valve 33, drain valve 35, drain valve 38 and indicates its internal pressure in the bottom of leacheate storage tank V701, acid solution storage tank V702, alkali lye storage tank V704, neutralizer storage tank V703 and cooling water tank V705, and other as: water wash tower T702, acid solution hydro-peening tower T703, alkali lye hydro-peening tower T704 are furnished with the fluid pressure table equally; In addition, on pipeline, be furnished with Pressure gauge 39 equally.
In addition, above-mentioned all electric control systems and power unit are all through Electric Appliance Cabinet 44 controls.
Operation principle is following:
(1) leacheate is stored, is recycled after getting into leacheate storage tank V701, after harmful substance reaches finite concentration in the leacheate, derives from leacheate storage tank V701 and carries out loading barrel packaging, concentrates to send hazardous waste to dispose factory to centrally dispose facility and dispose.
(2) pre-configured certain density acid solution in the acid solution storage tank V702; In being pumped into acid solution hydro-peening tower T703, carry out pickling; According to harmful gas neutral and alkali size or recycle or disposable use; Neutralizer gets into waste tank V703; Carry out loading barrel packaging again, concentrate and to send hazardous waste to dispose factory to centrally dispose facility and dispose.
(3) pre-configured certain density alkali lye in the alkali lye storage tank V704; In being pumped into alkali lye hydro-peening tower T704, carry out alkali cleaning; According to Acidity of Aikalinity size in harmful gas or recycle or disposable use; Neutralizer gets into neutralizer storage tank V703; Carry out loading barrel packaging again, concentrate and to send hazardous waste to dispose factory to centrally dispose facility and dispose.
(4) change behind the each more on-the-spot emergency disposal of activated carbon in the active carbon adsorption tower T705, the activated carbon that is adsorbed with harmful substances is collected, packs, is disposed by hazardous waste.
(5) cooling water tank V705 is in being pumped to ozone generator T706, and ozone entering ozone deodorizing tower T707 that ozone generator T706 produces and pernicious gas carry out oxidative decomposition and reach deodorization.
(6) blower fan C701 can guarantee the gas conveying of system; Also be equipped with gas injection apparatus simultaneously; Its effect is that low toxicity high energy concentration waste gas (like methane) waits and carries out air blast and dilute in dell that the scene is found, the storage tank, lowers the concentration of waste gas fast, plays effects such as quick rescue.
Waste gas of the present invention absorbs processing technological flow:
One, dust collecting process flow process
1, for the big pernicious gas of dustiness (pernicious gas that contains flue dust, dust, dust); After hazardous gas suction inlet 40 is drawn into treatment system; At first get into dedusting and (drive valve 1 except that the foreign material unit; Close valve 3, drive valve 2) promptly get into the T701 sack cleaner and remove by filter a large amount of grits (dust collecting process); Get into gas delivery system (close valve 4, drive valve 5, close valve 6, drive valve 7, close valve 8, drive valve 9, close valve 10, drive valve 11, close 12, drive valve 13) then, extract out, again through effluxing a mouthful emptying (close valve 15, drive valve 14) through the C701 air-introduced machine.
Two, dedusting, washing process flow process
1, big and water-soluble pernicious gas (ammonia, hydrogen chloride gas etc.) for dustiness; After the hazardous gas suction inlet that has special-purpose gas skirt 40 is drawn into treatment system; At first get into dedusting and remove foreign material unit (dust collecting process); And then entering water absorption cleaning unit (open valve 4, shut off valve 5); Promptly get into water wash tower T702, absorb pernicious gas (ammonia, hydrogen chloride gas etc.) (washing process) through water wash; And then get into follow-up gas delivery system (close valve 6, drive valve 7, close valve 8, drive valve 9, close valve 10, drive valve 11, close 12, drive valve 13), extract out through the C701 air-introduced machine, again through effluxing a mouthful emptying (close valve 15, drive valve 14).
2, washing process flow process
After containing water-soluble pernicious gas (ammonia or hydrogen chloride gas etc.) and getting into water wash tower T702, fully contact with water from leacheate storage tank V701, dissolving absorbs water-soluble pernicious gas (ammonia, hydrogen chloride gas etc.); The water of leacheate storage tank V701; Through driving valve 17; And filter; Extract, open valve 18 out by spray pump P701; Get into water wash tower T702 top spray and pernicious gas absorbing contacting pernicious gas downwards, the aqueous solution of dissolving pernicious gas is driven valve 19; Be evacuated to leacheate storage tank V701 (close valve 22, drive valve 20), repeatedly circulation through circulating pump P702; Water-soluble pernicious gas reaches (different solubility of gas with various) behind the finite concentration in the leacheate storage tank V701, gets into pail packs through valve 21, and packing is transported to and disposed factory and office and put.
If the nuisance aqueous solution after water-soluble (ammoniacal liquor or hydrochloric acid), being alkalescence or acidity can directly be evacuated to neutralizer storage tank V703 (through closing valve 20, driving valve 22) through circulating pump P702, gets into pail pack through valve 33 again, and packing is transported to disposal factory and office and put.
Three, during dedusting, washing, acid or alkali absorb and technological process
1,, water soluble big, pernicious gas that alkalescence is strong (ammonia or contain the volatile gas of strong basicity etc.) for dustiness; After the hazardous gas suction inlet is drawn into treatment system; At first get into dedusting remove foreign material unit (dust collecting process), successively get into water absorption cleaning unit (washing process), get into acid and absorb neutralisation unit (drive valve 6, close valve 7), the acidic liquid that contains that in acid solution hydro-peening tower T703, advances with spray neutralizes and removes alkaline gas in the gas (acid absorb in and technology); And then get into follow-up gas delivery system (close valve 8, drive valve 9, close valve 10, drive valve 11, close 12, drive valve 13), extract out through air-introduced machine C701, again through effluxing a mouthful emptying (close valve 15, drive valve 14).
2, during acid absorbs and technological process
Contain the strong pernicious gas of alkalescence (ammonia or contain the volatile gas of strong basicity etc.); After getting into sour eluting column T703; Fully contact with the acidic liquid from acid solution storage tank V702, neutralization absorbs the pernicious gas (ammonia or contain the volatile gas of strong basicity etc.) of alkalescence; The acid solution of acid solution storage tank V702; Through driving valve 23; Extract, open valve 24 out by acidproof spray pump P704; Get into the downward spray in sour eluting column T703 top and contact the alkaline pernicious gas of neutralization with pernicious gas; Neutralizer in the acid eluting column T703 is driven valve 25, is evacuated to neutralizer storage tank V703 (through closing valve 26, driving valve 28) through circulating pump P703; Get into pail pack through valve 33 again, packing is transported to disposal factory and office and is put.
If a little less than the alkalescence of gas, acid spray neutralizer can be evacuated to acid solution storage tank V702 through circulating pump P703, repeatedly recycles (close valve 28, drive valve 26).The interior liquid of acid solution storage tank V702 is put into pail pack through valve 27 and is transported.
3,, water soluble big, acid strong pernicious gas (hydrogen chloride gas or contain the volatile gas of highly acid etc.) for dustiness; After the hazardous gas suction inlet is drawn into treatment system; At first get into dedusting remove foreign material unit (dust collecting process), successively get into water absorption cleaning unit (washing process), get into alkali and absorb neutralisation unit and (drive valve 7, drive valve 8; Close valve 6, close valve 9), the akaline liquid that contains that in alkali lye hydro-peening tower T704, advances with spray neutralizes and removes sour gas in the gas (alkali absorb in and technology); And then get into follow-up gas delivery system (close valve 10, drive valve 11, close 12, drive valve 13), extract out through the C701 air-introduced machine, again through effluxing a mouthful emptying (close valve 15, drive valve 14).
4, during alkali absorbs and technological process
Contain acid strong pernicious gas (hydrogen chloride gas or contain the volatile gas of highly acid etc.); After getting into T704 alkali eluting column; Fully contact with the akaline liquid from alkali lye storage tank V704, neutralization absorbs the pernicious gas (hydrogen chloride gas or contain the volatile gas of highly acid etc.) of alkalescence; The aqueous slkali of alkali lye storage tank V704; Through driving valve 29; Extract, open valve 30 out by alkaline-resisting spray pump P706; Get into the downward spray in alkali eluting column T704 top and contact the acid pernicious gas of neutralization with pernicious gas; Neutralizer in the T704 tower is driven valve 31, is evacuated to neutralizer storage tank V703 (through closing valve 34, driving valve 32) through circulating pump P705; Get into pail pack through valve 33 again, packing is transported to disposal factory and office and is put.
If a little less than the acidity of gas, alkali spray neutralizer can be evacuated to alkali lye storage tank V704 through circulating pump P705, repeatedly recycles (through closing valve 32, driving valve 34), and when stopping exhaust-gas treatment, the interior liquid of alkali lye storage tank V704 is put into pail pack through valve 35 and transported.
Four, dedusting, washing, acid or alkali absorb neutralization, charcoal absorption and deodorization process flow process
1, the pernicious gas (hydrogen sulfide gas of, water soluble big, acidity or alkaline strong, poisonous or stink for dustiness; Or liquefied gas etc.); After the hazardous gas suction inlet is drawn into treatment system; At first get into dedusting remove foreign material unit (dust collecting process), successively get into water absorption cleaning unit (washing process), get into soda acid and absorb neutralisation unit (acid absorb with technology, alkali in absorbing in and technology); Get into active carbon adsorption tower T705 (close valve 11, drive valve 10) again, absorb through active carbon and remove toxic component in the gas (active carbon absorption technology); And then entering T707 ozone deodorizing tower (close 13, drive valve 12); Warp is removed the stink (oxidation Decomposition deodorization process) in the gas with the ozone oxidation decomposition reaction; Gas up to standard after the processing is extracted out through air-introduced machine C701, again through effluxing a mouthful emptying (close valve 15, drive valve 14).
2, oxidation Decomposition deodorization process flow process
The gas that contains frowziness gets into ozone deodorizing tower T707, and warp and the ozone that produces from ozone generator T706 carry out oxidative decomposition and remove the stink in the gas.Ozone generator T706 is ozone (ozone concentration 25mg/l) with the airborne oxygen conversion that gets into generator under the effect of high-frequency and high-voltage electric field, and smelly, drives valve 37, is transported in the ozone deodorizing tower T707; Need water to cool off in the ozoniferous process of ozone generator T706, promptly from cooling water tank V705, drive valve 36, circulating through water circulating pump P707 cools to the T706 ozone generator, and cooling water tank V705 is through opening valve 38 dischargings.In addition, 46 among the figure is air intake.
Five, blowback dilution harmful exhaust technological process
To high concentration sources of the gas such as biogas in dell, the storage tank; Utilize jet air pressure gun 42 the pressure-air blowback in the high concentration source of the gas; Reduce the concentration of pernicious gas (biogas) in the source of the gas fast; Similar accidents such as the minimizing personnel suffocate take place; That is: the front end at emptying valve 14 also is set up in parallel valve 15, and the rear end of this valve 15 also is provided with a jet air pressure gun 42 that produces jet wind.
Blowback dilution technique flow process
Open air-introduced machine C701, close valve 14, drive valve 15, drive valve 16, produce jet wind, dispel high-concentration waste gas, so that reuse through jet air pressure gun 42; Thereby realized the object of the invention.
Claims (6)
1. modular absorbing and purifying device with volatile organic waste gas; It includes dedusting and removes the foreign material unit; Water absorption cleaning unit; Acid-base neutralization absorption cleaning unit; Charcoal absorption and deodorizing unit; The blowback dilution unit; Connecting line; Pressure gauge and valve is characterized in that: be provided with in vehicle-mounted container (45) that its end has gas skirt (40) hazardous gas suction inlet and its afterbody exit is provided with the Trunk Line (50) of air-introduced machine (C701) and emptying valve (14) successively; On this Trunk Line (50), be connected with outlet with the import of dedusting successively except that the foreign material unit; Be connected with outlet with the import of water absorption cleaning unit; Be connected with outlet with the import of acid-base neutralization absorption cleaning unit, be connected with outlet with the import of charcoal absorption and deodorizing unit;
Dedusting removes the foreign material unit: include sack cleaner (T701); With and inlet line be connected with Trunk Line (50) through valve (2), and be provided with valve (3) between the Trunk Line that sack cleaner (T701) inlet line and outlet line are connected;
Water absorption cleaning unit: comprise water wash tower (T702); With and inlet line be connected with Trunk Line (50) through valve (4); With also be provided with valve (5) between the Trunk Line that water wash tower (T702) inlet line and outlet line are connected; Also be provided with a leacheate storage tank (V701) near in the container of water wash tower (T702); Be provided with the pipeline that pumps of band outlet valve (17), pump (P701) and valve (18) between leacheate storage tank and the water wash tower, and be with the pipeline that pumps into of outlet valve (19), pump (P702) and valve (20);
Acid-base neutralization absorption cleaning unit: include two acid solution hydro-peening tower (T703) and alkali lye hydro-peening towers (T704) that are attempted by on the Trunk Line (50), and neutralizer storage tank (V703); The inlet line of said acid solution hydro-peening tower (T703) is connected with Trunk Line (50) through valve (6); With also be provided with valve (7) between the Trunk Line that acid solution hydro-peening tower (T703) inlet line and outlet line are connected; Also be provided with an acid solution storage tank (V702) near in the container of acid solution hydro-peening tower (T703); Be provided with the pipeline that pumps of band outlet valve (23), pump (P704) and valve (24) between acid solution storage tank and the acid solution hydro-peening tower, and be with the pipeline that pumps into of outlet valve (25), pump (P703) and valve (26); The inlet line of said alkali lye hydro-peening tower (T704) is connected with Trunk Line (50) through valve (8); With also be provided with valve (9) between the Trunk Line (50) that alkali lye hydro-peening tower (T704) inlet line and outlet line are connected; Also be provided with an alkali lye storage tank (V704) near in the container of alkali lye hydro-peening tower (T704); Be provided with the pipeline that pumps of band outlet valve (29), pump (P706) and valve (30) between alkali lye storage tank and the alkali lye hydro-peening tower, and be with the pipeline that pumps into of outlet valve (31), pump (P705) and valve (32); The import of said neutralizer storage tank (V703) is connected with pump (P702) outlet line of water wash tower (T702), pump (P703) outlet line of acid solution hydro-peening tower (T703) and pump (P705) outlet line of alkali lye hydro-peening tower (T704) through valve (22), valve (28) and valve (32) respectively;
Activated carbon adsorption and deodorizing unit: includes two main line and connected to the main line (50) on the activated carbon adsorption tower (T705), and ozone deodorization tower (T707); said activated carbon adsorption tower (T705) imports line through a valve (10) and the main line (50) connected to the activated carbon adsorption tower (T705) inlet line and outlet line connected to the main line (50) is further provided between the valve (11); said ozone addition deodorization tower (T707) of the inlet line through a gas distributor (T708) and the valve (12) and the main line (50) connected to the ozone deodorization tower (T707) inlet line and outlet line connected to the main line (50) further provided between the valve (13), close to the gas distributor (T708) inside the container is also provided with a ozone generator (T706) and a cooling water tank (V705), the cooling water tank (V705) by means of the outlet valve (36), pump (P707) and the ozone generator (T706) is connected to the top of the inlet, and the ozone generator (T706) is the lower outlet of the cooling water tank (V705) is connected to the top of the inlet; ozone generator (T706) through the outlet valve (37 ) and gas distributor (T708) and ozone deodorization tower (T707) connected.
2. the modular absorbing and purifying device with volatile organic waste gas according to claim 1; It is characterized in that: the front end at emptying valve (14) also is set up in parallel valve (15), and the rear end of this valve (15) also is provided with a jet air pressure gun (42) that produces jet wind.
3. the modular absorbing and purifying device with volatile organic waste gas according to claim 1 is characterized in that: on pipeline, also be furnished with Pressure gauge (39).
4. the modular absorbing and purifying device with volatile organic waste gas according to claim 1 is characterized in that: the bottom at leacheate storage tank (V701), acid solution storage tank (V702), alkali lye storage tank (V704), neutralizer storage tank (V703) and cooling water tank (V705) is provided with fluid pressure table and drain valve.
5. the modular absorbing and purifying device with volatile organic waste gas according to claim 1 is characterized in that: between the outlet valve (17) of leacheate storage tank (V701) and pump (P701), also be provided with a water filter (41).
6. the modular absorbing and purifying device with volatile organic waste gas according to claim 1 is characterized in that: also be provided with an air intake (46) in the bottom of ozone generator (T706).
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| CN2011103141239A CN102350204B (en) | 2011-10-17 | 2011-10-17 | Modular absorbing and purifying device for volatile organic waste gases |
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