CN102350204B - 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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- CN102350204B CN102350204B CN2011103141239A CN201110314123A CN102350204B CN 102350204 B CN102350204 B CN 102350204B CN 2011103141239 A CN2011103141239 A CN 2011103141239A CN 201110314123 A CN201110314123 A CN 201110314123A CN 102350204 B CN102350204 B CN 102350204B
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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 day by day to requirement on environmental protection when improving and advancing in living standard.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 as 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 by 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: (1) organic exhaust gas that sprays paint is removed dust, coating cloud after filtration, with the high boiling organic solvent composition condensation of boiling point greater than 110 ℃; (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 the 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 be reclaimed 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 at 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 etc. is arranged.
Its major defect: all be the stationary installation that purifies targetedly, can not move; All be to handle at the waste gas of production process, also be not suitable for the processing that enters the volatile organic waste gas in the environment.
With regard to As-Is, be 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 dry well, dell, people; 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 integrated treatment process and the technical equipment of dilution, is the modular system equipment that is integrated in the container.
The object of the present invention is achieved like this: it includes dedusting except 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 that its end has gas skirt hazardous gas suction inlet 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 except the foreign material unit successively, 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 is except the foreign material unit: include sack cleaner, with and inlet line be connected with Trunk Line by valve I, and be provided with valve II 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 by valve III, with also be provided with valve IV 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, what be provided with band outlet valve I, pump I and valve XIV between leacheate storage tank and the water wash tower pumps pipeline I, and band outlet valve II, pump II and valve XV pump into pipeline I;
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 described acid solution hydro-peening tower is connected with Trunk Line by valve V, with also be provided with valve VI 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, what be provided with band outlet valve III, pump IV and valve XVII between acid solution storage tank and the acid solution hydro-peening tower pumps pipeline II, and band outlet valve IV, pump III and valve XVIII pump into pipeline II; The inlet line of described alkali lye hydro-peening tower is connected with Trunk Line by valve VII, with also be provided with valve VIII 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, what be provided with band outlet valve V, pump VI and valve XX between alkali lye storage tank and the alkali lye hydro-peening tower pumps pipeline III, and band outlet valve VI, pump V and valve XXIII pump into pipeline III; The import of described neutralizer storage tank is connected with the pump II outlet line of water wash tower, the pump III outlet line of acid solution hydro-peening tower and the pump V outlet line of alkali lye hydro-peening tower with valve XXIII by valve XVI, valve XIX respectively;
Charcoal absorption and deodorizing unit: include two active carbon adsorption tower and ozone deodorizing towers that are attempted by on the Trunk Line; The inlet line of described active carbon adsorption tower is connected with Trunk Line by valve IX(, and also is provided with valve X between the Trunk Line that active carbon adsorption tower inlet line and outlet line are connected; The inlet line of described ozone deodorizing tower is connected with Trunk Line by gas distributor and valve XI, with also be provided with valve XII 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 by valve XXI, pump VII, 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 by valve XXII and gas distributor.
The present invention also comprises: the front end at the emptying valve also is set up in parallel valve XIII, and the rear end of this valve XIII also is provided with the jet air pressure gun of a generation jet wind.
On Trunk Line 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 band outlet valve I of described leacheate storage tank (V701) and pump I, also be provided with a water filter (41).
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 that pernicious gas is passed through gas skirt, after collecting, remove the graininess grit through sack cleaner, impurity etc., pernicious gas enters the water wash tower and carries out drip washing then, make water-soluble harmful substance enter the leacheate storage tank, pernicious gas after the washing enters 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 enters waste tank, pernicious gas after the pickling enters alkali lye hydro-peening tower again and carries out alkali cleaning, acid harmful substance and the alkali lye of spray are neutralized, neutralizer after alkali cleaning enters waste tank, pernicious gas after the alkali cleaning enters the active carbon adsorption tower more successively and carries out the pernicious gas adsorption cleaning, after entering the deodorizing of ozone deodorizing tower, the purpose that reaches adsorption cleaning or dilution by blower fan to the discharge duct emptying, realize the harmful waste of the quick emergency processing scene of the accident, purified surrounding air.
This technology and equipment are in a organized way or the organic exhaust gas of uncontrollable discharge, 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 equipment of difference in functionality is concentrated in the 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 into grades opens technological operations such as corresponding equipment is washed, pickling, alkalescence, absorption, deodorizing.
2, be applicable to the processing that enters the volatile organic waste gas in the environment, the emergency purifying that is specially adapted to the organic exhaust gas that can 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 (as 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 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.
Below in conjunction with accompanying drawing and by example the present invention is described in further detail; but following example only is the present invention's example wherein; do not represent the rights protection scope that the present invention limits, the scope of the present invention is as the criterion with claims.
The specific embodiment
Example 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 except the foreign material unit successively, 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 is except the foreign material unit: include sack cleaner T701, with and inlet line be connected with Trunk Line 50 by valve I 2, and be provided with valve II 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 by valve III 4, with also be provided with valve IV 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, what be provided with band outlet valve I 17, pump I P701 and valve XIV 18 between leacheate storage tank and the water wash tower pumps pipeline I, and band outlet valve II 19, pump II P702 and valve XV 20 pump into pipeline I;
In addition, between the outlet valve I 17 of leacheate storage tank V701 and pump I 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 described acid solution hydro-peening tower T703 is connected with Trunk Line 50 by valve V 6, with also be provided with valve VI 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, what be provided with band outlet valve III 23, pump IV P704 and valve XVII 24 between acid solution storage tank and the acid solution hydro-peening tower pumps pipeline II, and band outlet valve IV 25, pump III P703 and valve XVIII 26 pump into pipeline II; The inlet line of described alkali lye hydro-peening tower T704 is connected with Trunk Line 50 by valve VII 8, with also be provided with valve VIII 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, what be provided with band outlet valve V 29, pump VI P706 and valve XX30 between alkali lye storage tank V704 and the alkali lye hydro-peening tower T704 pumps pipeline III, and band outlet valve VI 31, pump V P705 and valve XXIII 32 pump into pipeline III; The import of described neutralizer storage tank V703 is connected with the pump II P702 outlet line of water wash tower T702, the pump III P703 outlet line of acid solution hydro-peening tower T703 and the pump V P705 outlet line of alkali lye hydro-peening tower T704 by valve 22, valve XIX 28 and valve XX III32 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 described active carbon adsorption tower T705 is connected with Trunk Line 50 by valve IX 10, and also is provided with valve X 11 between the Trunk Line 50 that active carbon adsorption tower T705 inlet line and outlet line are connected; The inlet line of described ozone deodorizing tower T707 is connected with Trunk Line 50 by gas distributor T708 and valve XI 12, with also be provided with valve XII 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 is by valve XXI 36, pump VII P707 communicates with ozone generator T706 top water inlet, 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 by valve XXII 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 Trunk Line, be furnished with Pressure gauge 39 equally.
In addition, above-mentioned all electric control systems and power unit are all by Electric Appliance Cabinet 44 controls.
Operation principle is as follows:
(1) leacheate enters behind the leacheate storage tank V701 and stores, recycles, and 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 enters 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 enters 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) activated carbon in the active carbon adsorption tower T705 is changed behind each on-the-spot emergency disposal again, and the activated carbon that is adsorbed with harmful substances is collected, packs, disposed by hazardous waste.
(5) cooling water tank V705 is in being pumped to ozone generator T706, and the ozone that ozone generator T706 produces enters ozone deodorizing tower T707 and pernicious gas to 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 (as 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 enter dedusting and (drive valve 1 except the foreign material unit, close valve 3, drive valve 2) namely enter the T701 sack cleaner and remove by filter a large amount of grits (dust collecting process); Enter 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 through the C701 air-introduced machine, again through effluxing a mouthful emptying (close valve 15, drive valve 14).
Two, dedusting, washing process flow process
1, big and water-soluble pernicious gas (ammonia, hydrogen chloride gas etc.) for dustiness, after hazardous gas suction inlet through having special-purpose gas skirt 40 is drawn into treatment system, at first enter dedusting except foreign material unit (dust collecting process), and then enter water absorption cleaning unit (open valve 4, shut off valve 5), namely enter water wash tower T702, absorb pernicious gas (ammonia, hydrogen chloride gas etc.) (washing process) through water wash; And then enter 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 entering 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 XIV 18 out by spray pump I P701, enter the downward spray in water wash tower T702 top and contact the absorption pernicious gas with pernicious gas, the aqueous solution of dissolving pernicious gas is driven valve 19, being evacuated to leacheate storage tank V701(through circulating pump II P702 closes valve 22, opens valve XV 20), repeatedly circulation; Water-soluble pernicious gas reaches (different solubility of gas with various) behind the finite concentration in the leacheate storage tank V701, enters pail pack 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), be alkalescence or acidity can through circulating pump II P702 directly be evacuated to neutralizer storage tank V703(through closing valve XV 20, drive valve 22), enter pail pack through valve 33 again, packing is transported to and is disposed factory and office and put.
Three, during dedusting, washing, acid or alkali absorb and technological process 1,, water soluble big for dustiness, pernicious gas that alkalescence is strong (ammonia or contain the volatile gas of strong basicity etc.), after the hazardous gas suction inlet is drawn into treatment system, at first enter dedusting except foreign material unit (dust collecting process), successively enter water absorption cleaning unit (washing process), enter acid and absorb neutralisation unit (drive valve 6, close valve 7), the acidic liquid that contains that advances with spray in acid solution hydro-peening tower T703 neutralizes and removes alkaline gas in the gas (acid absorb in and technology); And then enter 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 entering 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 XVII 24 out by acidproof spray pump IV P704, enter 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, through circulating pump III P703 be evacuated to neutralizer storage tank V703(through closing valve XVIII 26, open valve XIX 28), enter 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 III P703, repeatedly recycles (closing valve XIX 28, open valve XVIII 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 for dustiness, acid strong pernicious gas (hydrogen chloride gas or contain the volatile gas of highly acid etc.), after the hazardous gas suction inlet is drawn into treatment system, at first enter dedusting except foreign material unit (dust collecting process), successively enter water absorption cleaning unit (washing process), enter alkali and absorb neutralisation unit and (drive valve 7, drive valve 8, close valve 6, close valve 9), the akaline liquid that contains that advances with spray in alkali lye hydro-peening tower T704 neutralizes and removes sour gas in the gas (alkali absorb in and technology); And then enter 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 entering 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 XX 30 out by alkaline-resisting spray pump VI P706, enter 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, opening valve XXIII 32 through circulating pump V P705), enter 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 V P705, repeatedly recycle (through closing valve XX III32, drive valve 34), when stopping exhaust-gas treatment, liquid is put into pail pack through valve 35 and is transported in the alkali lye storage tank V704.
Four, dedusting, washing, acid or alkali absorb neutralization, charcoal absorption and deodorization process flow process 1, big for dustiness, water soluble, acid or alkaline strong, pernicious gas (the hydrogen sulfide gas of poisonous or stink, or liquefied gas etc.), after the hazardous gas suction inlet is drawn into treatment system, at first enter dedusting except foreign material unit (dust collecting process), enter water absorption cleaning unit (washing process) successively, enter soda acid absorb neutralisation unit (acid absorb in and technology, during alkali absorbs and technology), enter active carbon adsorption tower T705(again and close valve 11, drive valve 10), remove toxic component in the gas (active carbon absorption technology) through the active carbon absorption; And then enter T707 ozone deodorizing tower (close 13, open valve 12), through removing 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, the oxidation Decomposition deodorization process flow process gas that contains frowziness enters ozone deodorizing tower T707, through and from the ozone that ozone generator T706 produces, carry out oxidative decomposition and remove stink in the gas.Ozone generator T706 is ozone (ozone concentration 25mg/l) with the airborne oxygen conversion that enters 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, namely from cooling water tank V705, open valve XXI 36, circulating through water circulating pump VII 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, the technological process of blowback dilution harmful exhaust is at 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 XIII 15, and the rear end of this valve XIII 15 also is provided with the jet air pressure gun 42 of a generation jet wind.
Blowback dilution technique flow process is opened air-introduced machine C701, closes valve 14, drives valve 15, drives valve 16, produces jet wind by jet air pressure gun 42, dispels high-concentration waste gas, in order to reuse; Thereby realized purpose of the present invention.
Claims (6)
1. modular absorbing and purifying device with volatile organic waste gas, it includes dedusting except 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 except the foreign material unit successively, 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 by valve I(2) be connected with Trunk Line (50), and be provided with valve II(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 by valve III(4) be connected with Trunk Line (50), with also be provided with valve IV(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 band outlet valve I(17 between leacheate storage tank and the water wash tower), pump I(P701) and valve XIV(18) pump pipeline I, and band outlet valve II(19), pump II(P702) and valve XV(20) pump into pipeline I;
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 described acid solution hydro-peening tower (T703) is by valve V(6) be connected with Trunk Line (50), with also be provided with valve VI(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 band outlet valve III(23 between acid solution storage tank and the acid solution hydro-peening tower), pump IV(P704) and valve XVII(24) pump pipeline II, and band outlet valve IV(25), pump III(P703) and valve XVIII(26) pump into pipeline II; The inlet line of described alkali lye hydro-peening tower (T704) is by valve VII(8) be connected with Trunk Line (50), with also be provided with valve VIII(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 band outlet valve V(29 between alkali lye storage tank and the alkali lye hydro-peening tower), pump VI(P706) and valve XX(30) pump pipeline III, and band outlet valve VI(31), pump V(P705) and valve XXIII(32) pump into pipeline III; The import of described neutralizer storage tank (V703) is respectively by valve XVI(22), valve XIX(28) with valve XXIII(32) with the pump II(P702 of water wash tower (T702)) the pump III(P703 of outlet line, acid solution hydro-peening tower (T703)) the pump V(P705 of outlet line and alkali lye hydro-peening tower (T704)) outlet line is connected;
Charcoal absorption and deodorizing unit: include two active carbon adsorption tower (T705) and ozone deodorizing towers (T707) that are attempted by on the Trunk Line (50); The inlet line of described active carbon adsorption tower (T705) is by valve IX(10) be connected with Trunk Line (50), and also be provided with valve X(11 between the Trunk Line (50) that active carbon adsorption tower (T705) inlet line and outlet line are connected); The inlet line of described ozone deodorizing tower (T707) is by gas distributor (T708) and valve XI(12) be connected with Trunk Line (50), with also be provided with valve XII(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 gas distributor (T708) container, the outlet of this cooling water tank (V705) is by valve XXI(36), pump VII(P707) communicate with ozone generator (T706) top water inlet, ozone generator (T706) bottom delivery port then communicates with cooling water tank (V705) top water inlet; The outlet of ozone generator (T706) is by valve XXII(37) and gas distributor (T708) communicate with ozone deodorizing tower (T707).
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 XIII(15), this valve XIII(15) the rear end also be 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: also be furnished with Pressure gauge (39) on Trunk Line.
4. the modular absorbing and purifying device with volatile organic waste gas according to claim 1, it 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: at the band outlet valve I(17 of leacheate storage tank (V701)) and pump I(P701) between 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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| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN102350204A CN102350204A (en) | 2012-02-15 |
| CN102350204B true CN102350204B (en) | 2013-07-10 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103055669B (en) * | 2013-01-10 | 2015-10-28 | 北京万向新元科技股份有限公司 | A kind of Method And Device For Exhaust Air Purifying Treatment |
| CN103831004A (en) * | 2014-03-21 | 2014-06-04 | 山东腾跃化学危险废物研究处理有限公司 | System for collecting and treating waste gas in dangerous waste or chemical storage |
| CN104083965B (en) * | 2014-07-07 | 2016-04-13 | 佛山市天辰洁能环保材料有限公司 | A kind of method of administering volatile organic contaminant |
| CN105214416A (en) * | 2015-10-10 | 2016-01-06 | 北京中能环科技术发展有限公司 | A kind of method of administering chemical industry synthesizer VOC waste gas |
| CN105435602A (en) * | 2015-11-19 | 2016-03-30 | 北京中能环科技术发展有限公司 | Method and device for finely removing sulfur-containing exhaust gas through activated carbon fiber |
| CN105879574B (en) * | 2016-05-16 | 2018-12-25 | 南京大学 | A kind of VOCs concentration load buffer regulating device |
| CN107511042B (en) * | 2016-07-15 | 2020-06-16 | 杭州富阳何氏化纤助剂有限公司 | Treatment method for removing benzene series in petrochemical industrial waste gas |
| CN111013329A (en) * | 2019-03-11 | 2020-04-17 | 北京诺维新材科技有限公司 | Waste gas treatment method and system |
| CN114748998A (en) * | 2022-03-31 | 2022-07-15 | 华中科技大学 | On-vehicle electrochemistry deodorization case |
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