CN105056701A - Process and equipment for waste gas control through composite technology - Google Patents
Process and equipment for waste gas control through composite technology Download PDFInfo
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- CN105056701A CN105056701A CN201510501452.2A CN201510501452A CN105056701A CN 105056701 A CN105056701 A CN 105056701A CN 201510501452 A CN201510501452 A CN 201510501452A CN 105056701 A CN105056701 A CN 105056701A
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Abstract
The invention discloses a process for waste gas control through a composite technology. In the process, the comprehensive treatment technology of adsorption, combustion method desorption and spray absorption is adopted to treat inorganic and organic constituents in waste gas to realize emission of purified waste gas. Particularly, the process is based on adsorption by a novel high-temperature-resistant composite material and an electromagnetic heating type high-temperature desorption method; through the novel high-temperature resistance composite material, the waste gas adsorption efficiency is improved; through the electromagnetic heating type high-temperature desorption method, combustion desorption of the novel high-temperature resistance composite material is realized under the non-contact condition, so that heat loss is avoided, the energy is saved, and main gas generated after combustion desorption is carbon dioxide to avoid secondary treating. The invention further discloses equipment for waste gas control through the composite technology. A whole system of the equipment comprises two sets of treatment devices to realize desorption and adsorption treatments in different chambers and alternative recycling. The equipment can work with a spray absorption method to realize comprehensive control of organic and inorganic substances of waste gas.
Description
Technical field
The present invention relates to ambient exhaust gas Treatment process field, particularly a kind for the treatment of process and equipment being absorbed in organic exhaust gas.
Background technology
In mankind's daily life or production process, along with the generation being harmful to or having taste gas, adverse influence is caused to environment.The technical development of waste gas pollution control and treatment, realizes green living and production, most important to the protection of the ecological environment of the earth.
Waste gas components is mainly organic exhaust gas and inorganic waste gases according to large class; To process respectively when processing.
Organic waste gas treatment method: the organic exhaust gas that life or production produce, its molecular chaperones is hydrocarbon molecules material mainly, and processing method is combustion method the most thoroughly.Because exhaust gas concentration is different, when especially concentration is lower, the cost that directly burns is very high, does not meet the principle of energy-conservation improvement.
Summary of the invention
In view of this, the invention provides a kind of complex technique emission control technology, first the organic matter in waste gas is adsorbed, heating flame again, avoids thermal losses, economize energy, the gas of burning desorption generation is mainly based on carbon dioxide simultaneously, without the need to after-treatment.
Present invention also offers a kind of complex technique waste gas pollution control and treatment equipment applying above-mentioned technique.
For achieving the above object, the invention provides following technical scheme:
A kind of complex technique emission control technology, comprises step:
S1, the organic matter adopted in absorption filtering material absorption waste gas, when the described organic concentration be adsorbed onto arrives predetermined combustion scope, enter step S2;
S2, heat the described organic matter that described absorption filtering material makes it adsorb and resolve burning.
Preferably, described absorption filtering material is high temperature resistant composite, is the filter core by inorganic composite materials or the compression molding of carbon fiber inorganic composite materials.
Preferably, implant in described absorption filtering material and have electromagnetic induction metal material, by controlling the power on/off of solenoid in described step S2, described electromagnetic induction metal material being heated up under the effect of electromagnetic field, and communicates the temperature to described absorption filtering material and described organic matter.
Preferably, described absorption filtering material, with organic concentration monitoring element, when organic concentration reaches predetermined combustion scope, can enter described step S2 and starts heating flame; Or when organic concentration is reduced to predetermined desorption scope, stop the heating flame in described step S2.
Preferably, also comprise step S3, blowback sprays described absorption filtering material, after making to be adsorbed on the burning on its surface, discarded object departs from.
A complex technique waste gas pollution control and treatment equipment, for realizing above-mentioned complex technique emission control technology, comprising:
For adsorbing organic adsorption filtration mechanism in waste gas;
For heating the heating flame mechanism of described adsorption filtration mechanism.
Preferably, described heating flame mechanism comprises electromagnetic induction metal material, solenoid, sleeve and electric controling switch, described electromagnetic induction metal material is implanted in described adsorption filtration mechanism, described solenoid is wrapped in the outer wall of described sleeve, controls its power on/off by described electric controling switch.
Preferably, the desorption back-blowing device for spraying described absorption filtering material is also comprised.
Preferably, comprise at least two group treatment facilities, often organize in described treatment facility and include described adsorption filtration mechanism and described heating flame mechanism, and often organize air inlet in described treatment facility and the break-make of giving vent to anger all can control separately.
Preferably, the acceptable gas delivery outlet of multiple described treatment facility is all connected to gas exhaust piping by reversal valve gauge tap.
As can be seen from above-mentioned technical scheme, complex technique emission control technology provided by the invention and equipment, first the organic matter in waste gas is adsorbed, after arriving finite concentration, heating flame again, avoids thermal losses, economize energy, the gas of burning desorption generation is mainly based on carbon dioxide simultaneously, without the need to after-treatment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the complex technique waste gas pollution control and treatment equipment that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the electromagnetic heating type elevated temperature desorption device that Fig. 2 provides for the embodiment of the present invention.
Wherein, 1-desorption waste residue reclaims bucket; 2-exhaust gas entrance; 3-high temperature resistant composite absorption filter element; 4-electromagnetic heating type elevated temperature desorption device, 41 is desorption blowback spray interface, 42-solenoid, 43-sleeve; 5-electrical control gear; 6-desorption back-blowing device; 7-acceptable gas delivery outlet; 8-reversal valve gauge tap.
Detailed description of the invention
The invention discloses a kind of complex technique emission control technology and equipment, first the organic matter in waste gas is adsorbed, then heating flame, avoid thermal losses, economize energy, simultaneously burn desorption produce gas mainly based on carbon dioxide, without the need to after-treatment.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the structural representation of the complex technique waste gas pollution control and treatment equipment that Fig. 1 provides for the embodiment of the present invention; The structural representation of the electromagnetic heating type elevated temperature desorption device that Fig. 2 provides for the embodiment of the present invention.
The complex technique emission control technology that the embodiment of the present invention provides, its core improvement is, comprises step:
S1, the organic matter adopted in absorption filtering material absorption waste gas, when the organic concentration be adsorbed onto arrives predetermined combustion scope, enter step S2;
The organic matter that S2, heating adsorption filtering material make it adsorb resolves burning.
According to waste gas processing method classification, mainly comprise at present: absorption method, absorption process, bioanalysis, oxidizing process, combustion method.This programme adopts complex technique, first adsorbs the organic matter in waste gas, after arriving finite concentration, then carries out burning desorption generation CO
2and H
2o, chemical equation is as follows:
aC
xH
yO
z+bO
2→cCO
2+dH
2O
As can be seen from above-mentioned technical scheme, the complex technique emission control technology that the embodiment of the present invention provides, first the organic matter in waste gas is adsorbed, after arriving finite concentration, heating flame again, avoids thermal losses, economize energy, the gas of burning desorption generation is mainly based on carbon dioxide simultaneously, without the need to after-treatment.
In the specific embodiment that this programme provides, absorption filtering material is high temperature resistant composite, by the filter core of the high density good permeability of inorganic composite materials or the compression molding of carbon fiber inorganic composite materials, effectively can adsorb harmful exhaust, there is good gas permeability, high temperature resistant, can adsorption and desorption repeatedly, recycle; Operationally exhaust-gas flow is through filter core, shown in high temperature resistant composite absorption filter element 3 as in Figure 1 and Figure 2.The novel fire resistant composite that this programme provides comprises inorganic composite materials and carbon fiber inorganic composite materials two kinds, and they are similar to activated carbon fiber to the adsorption capacity of organic exhaust gas, but overcome activated carbon fiber can not resistant to elevated temperatures shortcoming.Novel fire resistant composite heats maximum temperature in inert gas can reach 1000 DEG C, and aerial ignition point reaches more than 500 DEG C, and efficiency of combustion can reach more than 90%.
As preferably, adopt Electromagnetic Control heated type high-temp combustion desorption mode, in order to combine with the electromagnetic induction heating technology that this technique proposes, implant in absorption filtering material and have electromagnetic induction metal material, form absorption and the integrated composite adding thermal desorption, by controlling the power on/off of solenoid 42 in the burning desorption of step S2, electromagnetic induction metal material being heated up under the effect of electromagnetic field, and communicates the temperature to absorption filtering material and organic matter.Concrete, in above-mentioned novel fire resistant composite, also add electromagnetic induction material, that is, electromagnetic induction material is mixed in high temperature resistant composite, and mixing mold pressing forms.During work, electromagnetic induction element heat temperature raising under the effect of electromagnetic inductor of high temperature resistant composite inside, heat is transmitted towards periphery, high temperature resistant composite bulk temperature is made to be increased to the combustion oxidation temperature of organic exhaust gas, now, the organic compound being adsorbed on composite material surface is oxidized desorption through high-temp combustion, and carbon dioxide and the steam of generation are directly discharged by blast pipe.This burning desorption mode under noncontact condition, avoids thermal losses, economize energy.Concrete, heating-up temperature regulates according to exhaust gas constituents and content.
About the opportunity of setting up procedure S2 heating flame, the mode automatically controlled can be adopted, such as according to sequential or quantitatively, namely after pass into certain hour or a certain amount of waste gas to absorption filtering material, namely assert that organic concentration arrives predetermined combustion scope, enters step S2 and carries out heating flame; Or directly by artificial judgment and control.In order to optimize above-mentioned technical scheme further, absorption filtering material is with organic concentration monitoring element, can when organic concentration reaches predetermined combustion scope, enter step S2 and start heating flame, automatically heating flame is carried out to absorbent filter medium, remove attachment molecules, realize the parsing desorption of filter material; As preferably, the predetermined combustion scope of organic concentration is economical combustion desorption concentration, and efficiency is higher, at utmost can avoid thermal losses, and its concrete numerical value is determined by those skilled in the art;
Or when organic concentration is reduced to predetermined desorption scope, stop the heating flame in step S2; Concrete, the predetermined desorption scope of organic concentration is the adsorption criteria determined by those skilled in the art.
The complex technique emission control technology that the embodiment of the present invention provides, also comprise step S3, blowback spray absorption filtering material, after making to be adsorbed on the burning on its surface, discarded object departs from, and can recycle.
In order to optimize above-mentioned technical scheme further, comprise at least two group treatment facilities in the art, often organize in treatment facility and all can carry out the absorption in above-mentioned steps S1 and the heating flame in step S2, and often organize air inlet in treatment facility and the break-make of giving vent to anger all can control separately; Many groups treatment facility can hocket adsorption and desorption, and recycles, thus improves governance efficiency, reduces energy consumption.
The embodiment of the present invention additionally provides a kind of complex technique waste gas pollution control and treatment equipment, and its core improvement is, for realizing above-mentioned complex technique emission control technology, comprising:
For adsorbing organic adsorption filtration mechanism in waste gas;
For the heating flame mechanism of heating adsorption filter mechanism.
As preferably, heating flame mechanism is electromagnetic heating type elevated temperature desorption device 4, comprise electromagnetic induction metal material, solenoid 42, sleeve 43 and electric controling switch, this electromagnetic induction metal material is implanted in adsorption filtration mechanism, forms absorption and the integrated composite adding thermal desorption; Solenoid 42 is wrapped in the outer wall of sleeve 43, controls its power on/off by electric controling switch.This programme achieves contactlessly powered heating flame desorption, avoids thermal losses, economize energy.
Concrete, the composition material of adsorption filtration mechanism comprises high temperature resistant composite, electromagnetic induction metal and organic concentration detecting element; Shown in novel fire resistant composite absorption filter element 3 during its structure can see figures.1.and.2, incorporate high temperature resistant composite by electromagnetic induction metal and process, and absorption filter element is with exhaust gas concentration detecting element.
The complex technique waste gas pollution control and treatment equipment that the embodiment of the present invention provides, also comprise the desorption back-blowing device 6 for spraying absorption filtering material, it comprises desorption blowback spray interface 41 and gauge tap, after high-temp combustion desorption completes, desorption back-blowing device is started working, and is blown out by discarded object from filter core.
In order to optimize above-mentioned technical scheme further, the present embodiment comprises at least two group treatment facilities, often organizes in treatment facility and includes adsorption filtration mechanism and heating flame mechanism, and often organizes air inlet in treatment facility and the break-make of giving vent to anger all can control separately.So, many group treatment facilities can realize the alternate cycles continuous operation of adsorption/desorption, thus improve governance efficiency, reduce energy consumption.Concrete, multi-cavity type locellus designed combustion desorption can be adopted: namely two or more locellus passage is set in whole waste gas pollution control and treatment equipment, the process of desorption absorption locellus, alternating sorbent and desorption, or two synchronously use separately.
In the specific embodiment that this programme provides, the acceptable gas delivery outlet 7 of multiple treatment facility is all connected to gas exhaust piping by reversal valve gauge tap 8.By arranging reversal valve in waste gas transfer canal, realizing controlling waste gas break-make and selecting.Independent valve can also be arranged at the exhaust gas entrance 2 of each treatment facility and/or acceptable gas delivery outlet 7 place to select to control waste gas break-make.
As preferably, this programme also comprises desorption waste residue retracting device, and the desorption waste residue arranged in below specifically can be adopted to reclaim bucket 1, and be used for reclaiming filter core desorption discarded object, its structure can with reference to shown in Fig. 1.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Please refer to Fig. 1, " complex technique emission control technology " flow process that the embodiment of the present invention provides divides two stages, respectively: waste gas absorption phase and high temperature resistant composite elevated temperature desorption resolution phase, two equipment alternations.During device A work, control reversal valve, make its exhaust gas entrance 2 and acceptable gas delivery outlet 7 (below referred to as outlet) pipeline through, waste gas is inner through novel fire resistant composite absorption filter element 3 in device A, and the waste gas after being adsorbed by filter core is discharged from outlet 7, when the organic concentration detecting element of high temperature resistant composite absorption filter element 3 inside detects that organic concentration reaches economical combustion desorption concentration, reversal valve gauge tap 8 commutates, make exhaust gas entrance 2 pipeline of equipment B and outlet 7 pipelines and whole system through, after waste gas access arrangement B, continue the workflow of device A, now device A then enters high temperature resistant composite elevated temperature desorption resolution phase, in this stage, electromagnetic heating type elevated temperature desorption device 4 is energized work, the electromagnetic induction metal temperature of high temperature resistant composite absorption filter element 3 inside is raised, and heat is delivered to high temperature resistant composite, its temperature is made to remain on the temperature of organic matter parsing combustion requirements, when Concentration Testing element testing is reduced to adsorption criteria to organic concentration, electromagnetic heating type elevated temperature desorption device 4 quits work, then desorption back-blowing device 6 opens work, desorption recovery device of wastes (namely desorption waste residue reclaims bucket 1) is opened, purge gas is from device A inner counter to air blowing, by high temperature resistant composite absorption filter element 3, the discarded object and the filter core that make to be adsorbed on cartridge surface depart from, and enter desorption waste residue recovery bucket 1.So far, waste gas absorption phase and the high temperature resistant composite elevated temperature desorption resolution phase of device A all complete, and when equipment B reaches desorption requirement by the time, equipment B enters high temperature resistant composite elevated temperature desorption resolution phase, device A enters waste gas absorption phase again, successively periodic duty.Whole equipment is controlled by automation electrical control gear 5, realizes system whole-course automation and controls, saving resource.
Please refer to Fig. 2, " electromagnetic heating type elevated temperature desorption device 4 " that the embodiment of the present invention provides mainly works in novel fire resistant composite elevated temperature desorption resolution phase, interface 41 is sprayed respectively by desorption blowback, solenoid 42, high temperature resistant loop sleeve 43 and novel fire resistant composite absorption filter element 3 form, when equipment enters novel fire resistant composite elevated temperature desorption resolution phase, first, solenoid 42 starts the work of being energized, under the effect of the induced field of solenoid, the electromagnetic induction metallic element temperature of novel fire resistant composite absorption filter element 3 inside raises, the peripherad composite transferring heat of metallic element, thus whole filter core temperature is raised, heated at constant temperature is started when temperature is increased to waste combustion temperature, now, desorption back-blowing device is started working, purge gas sprays interface 41 by desorption blowback and sprays, the discarded object being adsorbed on cartridge surface is discharged with purge gas, realize the desorption and regeneration of filter core, when the discarded object detecting element detection discarded object content of filter core inside meets adsorption criteria, solenoid 42 quits work, when temperature is reduced to operating temperature, desorption blowback spray interface 41 stops blowing, so far, the work of novel fire resistant composite elevated temperature desorption resolution phase completes.
In sum, embodiments provide a kind of complex technique emission control technology, employing be absorption and the comprehensive treatment technique of combustion method desorption+spray-absorption, to the inorganic and organic principle process in waste gas, can discharge after realizing waste gas purification.Specifically a kind of novel fire resistant composite absorption and electromagnetic heating type elevated temperature desorption method emission control technology, high temperature resistant composite improves the adsorption efficiency of waste gas, electromagnetic heating type elevated temperature desorption method, under non-contacting condition, burning desorption is carried out to high temperature resistant composite, avoid thermal losses, economize energy, simultaneously burn desorption produce gas mainly based on carbon dioxide, without the need to after-treatment.Its core utilizes novel high temperature resistant composite to adsorb organic exhaust gas, and combine with electromagnetic induction heating technology, enables whole being equipped in when processing organic exhaust gas reach absorption+high-temp combustion desorption integrated design.
The embodiment of the present invention additionally provides a kind of complex technique waste gas pollution control and treatment equipment, whole system comprises two groups for the treatment of facilities, alternate cycles uses, and it mainly comprises waste gas transfer canal and reversing arrangement, novel fire resistant composite absorption filter element, electromagnetic heating type elevated temperature desorption device, desorption back-blowing device, desorption waste residue retracting device, on-Line Monitor Device and automation control system.This programme adopts high temperature resistant composite to absorb waste gas organic principle, controlled the effective emission control technology of one and the equipment of desorption, be applicable to life and industrial production VOCs treatment by Electromagnetic Heating.This equipment can with spray-absorption method with the use of, realize the comprehensive regulation to waste gas organic matter and inorganic matter.Its main innovative point has:
1, sorbing material adopts high temperature resistant composite; Effectively can adsorb harmful exhaust, there is good gas permeability, high temperature resistant, can adsorption and desorption repeatedly, recycle.
2, electromagnetic heating type high-temp combustion desorption mode is adopted; High-temp combustion adopts the method for Electromagnetic Heating; Heating element heater is implanted inside sorbing material, forms absorption and heating integral composite, realizes contactlessly powered heating.
3, treatment facility adopts multicell partition structure, and the process of desorption absorption locellus, alternate cycles uses.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a complex technique emission control technology, is characterized in that, comprises step:
S1, the organic matter adopted in absorption filtering material absorption waste gas, when the described organic concentration be adsorbed onto arrives predetermined combustion scope, enter step S2;
S2, heat the described organic matter that described absorption filtering material makes it adsorb and resolve burning.
2. complex technique emission control technology according to claim 1, is characterized in that, described absorption filtering material is high temperature resistant composite, is the filter core by inorganic composite materials or the compression molding of carbon fiber inorganic composite materials.
3. complex technique emission control technology according to claim 2, it is characterized in that, implant in described absorption filtering material and have electromagnetic induction metal material, by controlling the power on/off of solenoid in described step S2, described electromagnetic induction metal material is heated up under the effect of electromagnetic field, and communicates the temperature to described absorption filtering material and described organic matter.
4. complex technique emission control technology according to claim 3, is characterized in that, described absorption filtering material, with organic concentration monitoring element, when organic concentration reaches predetermined combustion scope, can enter described step S2 and start heating flame; Or when organic concentration is reduced to predetermined desorption scope, stop the heating flame in described step S2.
5. the complex technique emission control technology according to claim 1-4 any one, is characterized in that, also comprises step S3, blowback sprays described absorption filtering material, and after making to be adsorbed on the burning on its surface, discarded object departs from.
6. a complex technique waste gas pollution control and treatment equipment, is characterized in that, for realizing the complex technique emission control technology as described in claim 1-5 any one, comprising:
For adsorbing organic adsorption filtration mechanism in waste gas;
For heating the heating flame mechanism of described adsorption filtration mechanism.
7. complex technique waste gas pollution control and treatment equipment according to claim 6, it is characterized in that, described heating flame mechanism comprises electromagnetic induction metal material, solenoid, sleeve and electric controling switch, described electromagnetic induction metal material is implanted in described adsorption filtration mechanism, described solenoid is wrapped in the outer wall of described sleeve, controls its power on/off by described electric controling switch.
8. complex technique waste gas pollution control and treatment equipment according to claim 7, is characterized in that, also comprising the desorption back-blowing device for spraying described absorption filtering material.
9. the complex technique waste gas pollution control and treatment equipment according to claim 6-8 any one, it is characterized in that, comprise at least two group treatment facilities, often organize in described treatment facility and include described adsorption filtration mechanism and described heating flame mechanism, and often organize air inlet in described treatment facility and the break-make of giving vent to anger all can control separately.
10. complex technique waste gas pollution control and treatment equipment according to claim 9, it is characterized in that, the acceptable gas delivery outlet of multiple described treatment facility is all connected to gas exhaust piping by reversal valve gauge tap.
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| CN112169533A (en) * | 2020-08-27 | 2021-01-05 | 广东美的白色家电技术创新中心有限公司 | Reproducible adsorption material, adsorption device and household appliance |
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Application publication date: 20151118 |