CN105536429A - Waste gas adsorption treatment device and treatment method thereof - Google Patents
Waste gas adsorption treatment device and treatment method thereof Download PDFInfo
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- CN105536429A CN105536429A CN201510919818.8A CN201510919818A CN105536429A CN 105536429 A CN105536429 A CN 105536429A CN 201510919818 A CN201510919818 A CN 201510919818A CN 105536429 A CN105536429 A CN 105536429A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/30—Same type of filters
Abstract
The invention provides a waste gas adsorption treatment device comprising a first adsorption box, a second adsorption box, a communication pipe for communicating the first adsorption box and the second adsorption box, a first-level flame retardant adsorber and a second-level flame retardant adsorber; the second adsorption box is stacked on the first adsorption box; the first adsorption box comprises a first ventilation opening and a first desorption port which are formed in the side wall; the second adsorption box comprises a second ventilation opening and a second desorption port which are formed in the side wall; the first-level flame retardant adsorber is arranged in the first adsorption box; the second-level flame retardant adsorber is arranged in the second adsorption box; the first ventilation opening, the first-level flame retardant adsorber, the communication pipe, the second-level flame retardant adsorber and the second ventilation opening successively communicate to form a ventilation duct. The invention also provides a treatment method based on the waste gas adsorption treatment device. Compared with the related technology, the waste gas adsorption treatment device saves space and can reduce harm of explosion accidents.
Description
Technical field
The present invention relates to exhaust-gas treatment field, particularly relate to a kind of waste gas absorbing treatment device and processing method.
Background technology
The a large amount of organic exhaust gas of normal generation in spray process process, in conventional spray paint process, the mode being directly disposed to air is often taked to the organic exhaust gas produced, and the mode of directly discharging organic exhaust gas causes dust and harmful toxic matter directly to enter air, all ill effect is caused to human health and ecological environment.
Because VOCs treatment amount is large, large-scale waste gas absorbing treatment device in correlation technique, is adopted to carry out multi-stage absorption process to organic exhaust gas, the large and wasting space of described waste gas absorbing treatment device floor space.In organic exhaust gas, main component is acetone, and in order to process the acetone in organic exhaust gas, described waste gas absorbing treatment device adopts active carbon to carry out adsorbing and desorption process.Because acetone is inflammable gas, above-mentioned processing procedure is easy to the burning or the explosion accident that cause described waste gas absorbing treatment device, causes very large threat to personal safety and property safety.
Therefore, be necessary to provide a kind of new waste gas absorbing treatment device to solve the problem.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind ofly saves space and reduces the waste gas absorbing treatment device of explosion accident harm.
For solving the problems of the technologies described above, the invention provides a kind of waste gas absorbing treatment device, described waste gas absorbing treatment device comprises the first adsorption box, second adsorption box, be communicated with the communicating pipe of described first adsorption box and described second adsorption box, the fire-retardant absorber of one-level and the fire-retardant absorber of secondary, described second adsorption box is stacked at described first adsorption box, described first adsorption box comprises the first ventilating opening and the first desorption mouth that are opened in its sidewall, described second adsorption box comprises the second ventilating opening and the second desorption mouth that are opened in its sidewall, the fire-retardant absorber of described one-level is located in described first adsorption box, the fire-retardant absorber of described secondary is located in described second adsorption box, described first ventilating opening, the fire-retardant absorber of described one-level, described communicating pipe, the fire-retardant absorber of described secondary and described second ventilating opening are communicated with formation ventilating duct successively.
Preferably, the fire-retardant absorber of described one-level is located at the both sides of described first ventilating opening, and the fire-retardant absorber of described secondary is located at the both sides of described second ventilating opening.
Preferably, described communicating pipe is multiple, along described first ventilating opening to the flow direction of the fire-retardant absorber of described one-level, is uniformly distributed in the air outlet side of the fire-retardant absorber of described one-level multiple described communicating pipe.
Preferably, the fire-retardant absorber of described one-level and the fire-retardant absorber of described secondary are the molecular sieve that refractory material is made.
Preferably, described exhaust gas adsorption device also comprises Electric air valve, and described Electric air valve is located at described communicating pipe.
Preferably, the quantity of described first desorption mouth and described second desorption mouth is two.
Preferably, two described first desorption mouths and two described second desorption mouths are located at the two ends of described first adsorption box and described second adsorption box respectively.
Preferably, described first adsorption box and described second adsorption box also comprise at least two rupture disks respectively, and described rupture disk is located at the both ends of described first adsorption box and described second adsorption box respectively.
Preferably, described first adsorption box and described second adsorption box also comprise the first access door and the second access door respectively, and described first access door and described second access door are oppositely arranged with described first ventilating opening and described second ventilating opening respectively.
The present invention also provides a kind of processing method based on described waste gas absorbing treatment device, comprises the steps:
First order adsorption treatment: waste gas enters described first adsorption box by described first ventilating opening, completes first order adsorption treatment by the fire-retardant absorber of described one-level;
Second level adsorption treatment: waste gas, through entering described second adsorption box described communicating pipe, completes second level adsorption treatment by the fire-retardant absorber of described secondary, then discharges through described second ventilating opening;
Desorption process: introduce hot-air and desorption process is carried out to the fire-retardant absorber of described one-level and the fire-retardant absorber of described secondary.
Compared with correlation technique, described first adsorption box and described second adsorption box are folded and are established by waste gas absorbing treatment device of the present invention, complete the two-stage adsorption treatment process of waste gas, save and take up an area space; The fire-retardant absorber of described one-level and the fire-retardant absorber of described secondary are the molecular sieve adopting refractory material to make, and for adsorbing harmful toxic matter, fire-proof and explosion-proof performance is strong, effectively reduces explosion accident; The fire-retardant absorber of described one-level is located at the both sides of described first ventilating opening, the fire-retardant absorber of described secondary is located at the both sides of described second ventilating opening, the waste gas entered by described first ventilating opening is divided into two branch roads to carry out first order adsorption treatment, waste gas after first order absorption is by entering described second adsorption box described communicating pipe, and after the fire-retardant absorber of secondary of described second ventilating opening both sides carries out second level adsorption treatment, discharged by described second ventilating opening, adsorption efficiency is higher, better effects if; The setting of described Electric air valve, make described first adsorption box and described second adsorption box can form independently unit, because the fire-retardant absorber of described one-level is different with the exhaust gas concentration of the fire-retardant absorber of described secondary, carrying out in desorption treatment process, separately desorption process is carried out to the fire-retardant absorber of described one-level and the fire-retardant absorber of described secondary, desorption efficiency can be improved; The both ends of described first adsorption box and described second adsorption box arrange described first rupture disk and the second rupture disk respectively, can discharge explosion energy fast, reduce the harm of explosion accident.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment one of waste gas absorbing treatment device of the present invention;
Fig. 2 is the perspective view of another angle of the embodiment one of waste gas absorbing treatment device of the present invention;
Fig. 3 is the adsorption process gas flow schematic diagram of the embodiment one of waste gas absorbing treatment device of the present invention;
Fig. 4 is the desorption process gas flow schematic diagram of the embodiment one of waste gas absorbing treatment device of the present invention;
Fig. 5 is the schematic flow sheet of waste gas adsorption treatment method of the present invention;
Fig. 6 is the perspective view of the embodiment two of waste gas absorbing treatment device of the present invention;
Fig. 7 is the perspective view of another angle of the embodiment two of waste gas absorbing treatment device of the present invention;
Fig. 8 is the adsorption process gas flow schematic diagram of the embodiment two of waste gas absorbing treatment device of the present invention;
Fig. 9 is the desorption process gas flow schematic diagram of the embodiment two of waste gas absorbing treatment device of the present invention.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the invention will be further described.
Embodiment one
Incorporated by reference to consulting Fig. 1 to Fig. 3, wherein Fig. 1 is the perspective view of the embodiment one of waste gas absorbing treatment device of the present invention; Fig. 2 is the perspective view of another angle of the embodiment one of waste gas absorbing treatment device of the present invention; Fig. 3 is the adsorption process gas flow schematic diagram of the embodiment one of waste gas absorbing treatment device of the present invention.Described emission-control equipment 1 comprises the first adsorption box 11, the fire-retardant absorber of one-level 12, one-level support 13, second adsorption box 14, the fire-retardant absorber 15 of secondary, secondary stent 16 and communicating pipe 17.
Described first adsorption box 11 is established with described second adsorption box 14 is folded, and described first adsorption box 11 is positioned at the below of described second adsorption box 14, and described first adsorption box 11 is for the first order adsorption treatment of waste gas.The fire-retardant absorber of described one-level 12 and described one-level support 13 are located in described first adsorption box 11 respectively, and the fire-retardant absorber 12 of described one-level adsorbs the harmful toxic matter in waste gas, and described one-level support 13 is for the fixing fire-retardant absorber 12 of described one-level.
Described first adsorption box 11 comprises the first ventilating opening 111, first desorption mouth 113, multiple first rupture disk 115 and multiple first access door 117.
Described first ventilating opening 111 is opened in the sidewall of described first adsorption box 11, and it is as the exhaust gas entrance of adsorption process.
Described first desorption mouth 113 and described first air vent 111 are positioned at the same sidewall of described first adsorption box 11, are convenient to pipeline zoning arrangement, and wiring rationally.Described first desorption mouth 113 enters for the hot-air of desorption process or discharges.
Described first rupture disk 115 is at least two, and is located at the both ends of described first adsorption box 11 respectively, and described both ends are the two ends of waste gas bearing of trend of flow direction in the fire-retardant absorber 12 of described one-level.
When blasting in described first adsorption box 11, in case, gas sharply expands, and described first rupture disk 115 being located at both sides is opened immediately, and the pressure fast in described first adsorption box 11 of release, reduces explosion accident harm.
For the ease of regular maintenance and maintenance, described first adsorption box 11 arranges multiple first access door 117, and described first access door 117 is oppositely arranged with described first ventilating opening 111.Described first access door 117 is oppositely arranged with described first ventilating opening 111, avoids air inlet pipeline and outlet pipe, and staff carries out regular maintenance and maintenance is noiseless.
Described first access door 117 quantity is multiple, and can be divided into two the molecular sieve access doors being located at described first adsorption box 11 both ends and the valve access door be positioned in the middle part of described first adsorption box 11 by purposes, maintenance and repair are more convenient.
The fire-retardant absorber of described one-level 12 is distributed in the both sides of described first ventilating opening 111, and the waste gas entered by described first ventilating opening 111 is divided into two branch roads and adsorbs, and improves the adsorption effect of the fire-retardant absorber 12 of described one-level.
In order to make the waste gas adsorption effect of both sides identical, described one-level fire-retardant absorber 12 magnitude setting being located at described first ventilating opening 111 both sides is identical.
Because described waste gas absorbing treatment device 1 has double-filtration, therefore, in the present embodiment, the fire-retardant absorber of described one-level 12 only needs to arrange one respectively in described ventilating opening 111 both sides and can reach better adsorption effect.
Certainly, magnitude setting and the set-up mode of the fire-retardant absorber 12 of described one-level are not limit, and are all in like manner included within protection scope of the present invention.
The fire-retardant absorber of described one-level 12 is made up of nonflammable sorbing material, effectively reduces the risk of the combustion explosion accident in adsorption and desorption process.
In the present embodiment, the molecular sieve that the fire-retardant absorber 12 of described one-level is made for refractory material, described refractory material can select inorganic, described molecular sieve is that square hole is cellular, have the features such as volume is little, specific area is large, adsorption efficiency is high, air resistance coefficient is little, the Adsorption Concentration of absorption waste gas is effective.
The fire-retardant absorber of described one-level 12 is not limited in described molecular sieve, and described refractory material is also not limited only to inorganic, and all nonflammable absorbers and all refractory materials are all in like manner included within protection scope of the present invention.
In order to by the fixation of fire-retardant for described one-level absorber 12, described one-level support 13 is installed on respectively the both sides of the fire-retardant absorber 12 of described one-level.Described one-level support 13 is made up of refractory material, sets up into fire-resistant described first adsorption box 11, can reduce the risk of combustion explosion accident further with the fire-retardant absorber of described one-level 12.
Described second adsorption box 14 is for the second level adsorption treatment of waste gas, its structure is identical with described first adsorption box 11, comprises the second ventilating opening 141 as waste gas outlet, the second desorption mouth 143 for desorption turnover hot-air, is located at described second adsorption box 14 two ends and multiple second rupture disk 145 discharging explosion energy and multiple second access doors 147 be oppositely arranged with described second air vent 141.
The fire-retardant absorber of described secondary 15 and described secondary stent 16 are located in described second adsorption box 14 respectively, and the fire-retardant absorber 15 of described secondary adsorbs the harmful toxic matter in waste gas, and described secondary stent 16 is for the fixing fire-retardant absorber 15 of described secondary.
Be formed at the junction of described first adsorption box 11 and described second adsorption box 14 described communicating pipe 17, for being communicated with the two.Through the waste gas of first order adsorption treatment through entering described second adsorption box 14 described communicating pipe 17, carry out second level adsorption treatment.
Waste gas, along described first ventilating opening 111 to the flow direction of the fire-retardant absorber 12 of described one-level, is positioned at the air outlet side of the fire-retardant absorber 12 of described one-level described communicating pipe 17.
In the present embodiment, described first ventilating opening 111 is as the entrance of waste gas in adsorption process, described second ventilating opening 141 is as the outlet of waste gas in adsorption process, described first ventilating opening 111, the fire-retardant absorber of described one-level 12, described communicating pipe 17, the fire-retardant absorber of described secondary 15 and described second ventilating opening 141 are communicated with formation ventilating duct successively, and the waste gas for adsorption process circulates.
Described first desorption mouth 113 and described second desorption mouth 143 lay respectively at two diagonal angles of described waste gas absorbing treatment device 1, described first desorption mouth 113 is as the entrance of hot-air, described second desorption mouth 143 is as the outlet of hot-air, after hot-air flows into from described first desorption mouth 113, be divided into the desorption process that two stocks do not complete the fire-retardant absorber of described one-level 12 and the fire-retardant absorber 15 of described secondary, finally all flow out from described second desorption mouth 143.
Certainly, in described first desorption mouth 113 and described second desorption mouth 143, any one is as the entrance of hot-air, and another is all in like manner included within protection scope of the present invention as the outlet of hot-air.
Refer to Fig. 3 to Fig. 5 again, wherein Fig. 4 is the desorption process gas flow schematic diagram of the embodiment one of waste gas absorbing treatment device of the present invention; Fig. 5 is the schematic flow sheet of waste gas adsorption treatment method of the present invention.Processing method based on described waste gas absorbing treatment device 1 provided by the invention comprises the steps:
Step S1, first order adsorption treatment: waste gas enters described first adsorption box 11 by described first ventilating opening 111, completes first order adsorption treatment by the fire-retardant absorber 12 of described one-level;
Concrete, under suction function, waste gas is entered by described first ventilating opening 111 of described first adsorption box 11, and spreads respectively to the both sides of described first ventilating opening 111, then completes first order adsorption treatment by the fire-retardant absorber 12 of described one-level;
Step S2, second level adsorption treatment: waste gas, through entering described second adsorption box 14 described communicating pipe 17, completes second level adsorption treatment by the fire-retardant absorber 14 of described secondary, then discharges through described second ventilating opening;
Concrete, complete the waste gas of first order adsorption treatment respectively by entering described second adsorption box 14 both ends two described communicating pipes 17, waste gas is entered the middle part of described second adsorption box 14 by the fire-retardant absorber of described secondary 15 by described second adsorption box 14 two ends, complete described second level adsorption treatment in described second adsorption box 14 after, be expelled to outdoor through described second ventilating opening 141, two-stage adsorption treatment can significantly improve the purification efficiency of waste gas;
Step S3, desorption process: introduce hot-air and desorption process is carried out to the fire-retardant absorber of described one-level 12 and the fire-retardant absorber 15 of described secondary;
Concrete, when the fire-retardant absorber of described one-level 12 or the fire-retardant absorber of described secondary 15 adsorb saturated after, introduce hot-air respectively and carry out desorption process.Before carrying out desorption process, first close described first ventilating opening 111 and described second ventilating opening 141, only open described first desorption mouth 113 and described second desorption mouth 143 are for air inlet and exhaust.
Hot-air enters from described first desorption mouth 113, be divided into two strands of air-flows, two strands of air-flows are each passed through the fire-retardant absorber of described one-level 12 and the fire-retardant absorber 15 of described secondary, and discharge from described second desorption mouth 143, with after to enter catalytic combustion purifier through desorption pipe road and carry out burning process, the harmful toxic matter avoiding desorption to go out directly is disposed to air and pollutes.
Embodiment two
Please refer to Fig. 6 to Fig. 8 again, wherein Fig. 6 is the perspective view of the embodiment two of waste gas absorbing treatment device of the present invention, Fig. 7 is the perspective view of another angle of the embodiment two of waste gas absorbing treatment device of the present invention, and Fig. 8 is the adsorption process gas flow schematic diagram of the embodiment two of waste gas absorbing treatment device of the present invention.Described waste gas absorbing treatment device 2 comprises the first adsorption box 21, the fire-retardant absorber of one-level 22, one-level support 23, second adsorption box 24, the fire-retardant absorber 25 of secondary, secondary stent 26, communicating pipe 27 and Electric air valve 28.
Except described first desorption mouth 213, described second desorption mouth 243 magnitude setting difference, and set up outside Electric air valve 28, described waste gas absorbing treatment device 2 is identical with the structure and fuction of the intraware of described waste gas absorbing treatment device 1.
Described first adsorption box 21 comprises the first ventilating opening 211, two the first desorption mouths 213, multiple first rupture disk 215 and multiple first access door 217.
Described second adsorption box 24 comprises the second ventilating opening 241, two the second desorption mouths 243, multiple second rupture disk 245 and multiple second access door 247.
Two described first desorption mouths 213 and two described second desorption mouths 243 are located at the two ends of described first adsorption box 21 and described second adsorption box 24 respectively, therefore can carry out desorption to each adsorption box separately.
When carrying out desorption process to described first adsorption box 21, hot-air enters from the first desorption mouth 213 described in any one, carries out desorption successively, and flow out from the first desorption mouth 213 described in another through all fire-retardant absorbers 22 of described one-level.
In the desorption process of described second adsorption box 24, hot-air flow path is with reference to said process.
Described Electric air valve 28 is located at described communicating pipe 27, for opening and closing described communicating pipe 27, makes described first adsorption box 21 and described second adsorption box 24 become independently processing unit.Because the fire-retardant absorber of described one-level 22 is different with the concentration that the fire-retardant absorber of described secondary 25 adsorbs waste gas, when carrying out desorption process, make the fire-retardant absorber of described one-level 22 and the fire-retardant absorber 25 of described secondary carry out desorption respectively, desorption efficiency and desorption effect can be improved.
Refer to Fig. 4, Fig. 8 and Fig. 9 again, Fig. 9 is the desorption process gas flow schematic diagram of the embodiment two of waste gas absorbing treatment device of the present invention.Absorption based on described waste gas absorbing treatment device 2 provided by the invention and desorption method comprise the steps:
Step S1, first order adsorption treatment;
Step S2, second level adsorption treatment;
Wherein, first order adsorption treatment and second level adsorption treatment please refer to the waste gas adsorption treatment method of embodiment one above.
Step S3, desorption process: introduce hot-air and desorption process is carried out to the fire-retardant absorber of described one-level 22 and the fire-retardant absorber 25 of described secondary;
Concrete, when the fire-retardant absorber of described one-level 22 or the fire-retardant absorber of described secondary 25 adsorb saturated after, introduce hot-air respectively and desorption process carried out to described first adsorption box 21 or described second adsorption box 24.
Before carrying out desorption process to described first adsorption box 21, first close described first ventilating opening 211 and described Electric air valve 28, only open two described first desorption mouths 213 are for air inlet and exhaust.
Hot-air enters from the first desorption mouth 213 described in one of them, be each passed through the fire-retardant absorber 22 of one-level described in each to discharge from the second desorption mouth 243 described in another again, with after to enter catalytic combustion purifier through desorption pipe road and carry out burning process, the harmful toxic matter avoiding desorption to go out directly is disposed to air and pollutes.
With reference to above-mentioned desorption processing method, desorption process is carried out to described second adsorption box 24.
In the present embodiment, after waste gas completes first order adsorption treatment in described first adsorption box 21, enter again in described second adsorption box 24 and carry out second level adsorption treatment, the harmful toxic matter concentration that the harmful toxic matter concentration that the fire-retardant absorber of described one-level 22 adsorbs is adsorbed higher than the fire-retardant absorber 24 of described secondary, therefore, during desorption process, need to extend the desorption processing time in described first adsorption box 21.
As the case may be, desorption process can be carried out to described first adsorption box 21 or described second adsorption box 24 separately, also can carry out adsorption treatment to the two simultaneously.
Compared with correlation technique, described first adsorption box and described second adsorption box are folded and are established by waste gas absorbing treatment device of the present invention, complete the two-stage adsorption treatment process of waste gas, save and take up an area space; The fire-retardant absorber of described one-level and the fire-retardant absorber of described secondary are the molecular sieve adopting refractory material to make, and for adsorbing harmful toxic matter, fire-proof and explosion-proof performance is strong, effectively reduces explosion accident; The fire-retardant absorber of described one-level is located at the both sides of described first ventilating opening, the fire-retardant absorber of described secondary is located at the both sides of described second ventilating opening, the waste gas entered by described first ventilating opening is divided into two branch roads to carry out first order adsorption treatment, waste gas after first order absorption is by entering described second adsorption box described communicating pipe, and after the fire-retardant absorber of secondary of described second ventilating opening both sides carries out second level adsorption treatment, discharged by described second ventilating opening, adsorption efficiency is higher, better effects if; The setting of described Electric air valve, make described first adsorption box and described second adsorption box can form independently unit, because the fire-retardant absorber of described one-level is different with the exhaust gas concentration of the fire-retardant absorber of described secondary, carrying out in desorption treatment process, separately desorption process is carried out to the fire-retardant absorber of described one-level and the fire-retardant absorber of described secondary, desorption efficiency can be improved; The both ends of described first adsorption box and described second adsorption box arrange described first rupture disk and the second rupture disk respectively, can discharge explosion energy fast, reduce the harm of explosion accident.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a waste gas absorbing treatment device, it is characterized in that, comprise the first adsorption box, second adsorption box, be communicated with the communicating pipe of described first adsorption box and described second adsorption box, the fire-retardant absorber of one-level and the fire-retardant absorber of secondary, described second adsorption box is stacked at described first adsorption box, described first adsorption box comprises the first ventilating opening and the first desorption mouth that are opened in its sidewall, described second adsorption box comprises the second ventilating opening and the second desorption mouth that are opened in its sidewall, the fire-retardant absorber of described one-level is located in described first adsorption box, the fire-retardant absorber of described secondary is located in described second adsorption box, described first ventilating opening, the fire-retardant absorber of described one-level, described communicating pipe, the fire-retardant absorber of described secondary and described second ventilating opening are communicated with formation ventilating duct successively.
2. waste gas absorbing treatment device according to claim 1, is characterized in that, the fire-retardant absorber of described one-level is located at the both sides of described first ventilating opening, and the fire-retardant absorber of described secondary is located at the both sides of described second ventilating opening.
3. waste gas absorbing treatment device according to claim 2, it is characterized in that, described communicating pipe is multiple, along described first ventilating opening to the flow direction of the fire-retardant absorber of described one-level, is uniformly distributed in the air outlet side of the fire-retardant absorber of described one-level multiple described communicating pipe.
4. waste gas absorbing treatment device according to claim 1, is characterized in that, the fire-retardant absorber of described one-level and the fire-retardant absorber of described secondary are the molecular sieve that refractory material is made.
5. waste gas absorbing treatment device according to claim 1, is characterized in that, described exhaust gas adsorption device also comprises Electric air valve, and described Electric air valve is located at described communicating pipe.
6. waste gas absorbing treatment device according to claim 5, is characterized in that, the quantity of described first desorption mouth and described second desorption mouth is two.
7. waste gas absorbing treatment device according to claim 6, is characterized in that, two described first desorption mouths and two described second desorption mouths are located at the two ends of described first adsorption box and described second adsorption box respectively.
8. waste gas absorbing treatment device according to claim 1, it is characterized in that, described first adsorption box and described second adsorption box also comprise at least two rupture disks respectively, and described rupture disk is located at the both ends of described first adsorption box and described second adsorption box respectively.
9. waste gas absorbing treatment device according to claim 1, it is characterized in that, described first adsorption box and described second adsorption box also comprise the first access door and the second access door respectively, and described first access door and described second access door are oppositely arranged with described first ventilating opening and described second ventilating opening respectively.
10. a processing method for waste gas absorbing treatment device as claimed in claim 1, is characterized in that, comprise the steps:
First order adsorption treatment: waste gas enters described first adsorption box by described first ventilating opening, completes first order adsorption treatment by the fire-retardant absorber of described one-level;
Second level adsorption treatment: waste gas, through entering described second adsorption box described communicating pipe, completes second level adsorption treatment by the fire-retardant absorber of described secondary, then discharges through described second ventilating opening;
Desorption process: introduce hot-air and desorption process is carried out to the fire-retardant absorber of described one-level and the fire-retardant absorber of described secondary.
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