CN106823687B - A kind of industrial waste gas purifying and secondary pollutant harmless treatment process - Google Patents
A kind of industrial waste gas purifying and secondary pollutant harmless treatment process Download PDFInfo
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- CN106823687B CN106823687B CN201710072712.8A CN201710072712A CN106823687B CN 106823687 B CN106823687 B CN 106823687B CN 201710072712 A CN201710072712 A CN 201710072712A CN 106823687 B CN106823687 B CN 106823687B
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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
- B01D53/06—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 moving adsorbents, e.g. rotating beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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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
- B01D53/14—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 absorption
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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
- B01D53/14—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 absorption
- B01D53/1487—Removing organic compounds
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/42—Basic components
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The present invention relates to a kind of industrial waste gas purifying and secondary pollutant harmless treatment process, technical characterstic is the following steps are included: kaolin is ground into kaolin powder；Industrial waste gas to be clean is pre-processed；The substance in industrial waste gas is adsorbed on kaolin powder using spray adsorption method；Conveyance is carried out to kaolin powder, the gas and siccative after obtaining absorption pollutant；Spray cleaning is carried out to the gas after absorption pollutant using wet processing；Steam-water separation is carried out using water separator；Sedimentation basin carries out object water separating treatment, and muddy waste has been adsorbed the purees in industrial waste gas after multi-pollutant by dehydration；Purees is become into architectural pottery product by firing.The present invention can substitute current method for purifying waste gases, and have maximum cleanliness detergent power, repeat self-circulation purifying, without waste, purification is at low cost or profit, realizes real industrial waste gas low emission and object without secondary pollution.
Description
Technical field
The invention belongs to industrial waste gas processing technology field, especially a kind of industrial waste gas purifying and secondary pollutant are harmless
Change treatment process.
Background technique
In all types of industries production process, a large amount of exhaust gas can be generated, these exhaust gas seriously pollute atmospheric environment, right
Human survival constitutes a serious threat.Currently, the purification most methods to industrial waste gas would generally generate secondary pollutant, it is
Primary pollution changes under physics, chemical factor or biological effect, or reacts with other substances in environment, institute
The physical chemical characteristics of formation (concentration is higher) identical as primary pollution or the pollutant of different (physicochemical characteristic is more complicated), usually
It is even more serious than harm of the primary pollution to environment and human body.
Coal-fired power plant is that desulphurization denitration largely uses lime dust cloth bag, and a large amount of secondary dirts are contained in the cloth bag after use
Contaminate object；Contain a large amount of phenol secondary pollutants in concentrated water and mud after coking industry wastewater treatment；Waste gas generated by burning garbage warp
The ashes powder for crossing a large amount of dioxin of ashes powder spray-absorption is all the secondary pollutant after industrial waste gas purifying.
These secondary pollutants deal with extremely difficult, and the furnace of a large amount of dioxin will be such as absorbed in waste gas generated by burning garbage
The method that ashes eliminates dioxin as cement material, these absorb temperature of the ashes powder in cement warm-up phase of dioxin
Up to 800 degree, just reach the decomposition temperature of dioxin, and has been classification agitating and heating, under the conditions of normal pressure non-close
Powder stirring heating process is that dioxin evolution creates best condition, and a large amount of dioxin can also come back in nature.
In addition clinker be gradually heated up and the sintering procedure that constantly stirs in yet have dioxin evolution, this makes the dirt being collected originally
Dye object is again introduced into atmosphere.What is more, and some secondary pollutants are diluted discharge, as dense after coking industry wastewater treatment
Water is added into after a large amount of water purification dilutions reach discharge index and discharges, and actual pollutant discharge amount is not reduced, this does not have not only
Pollution problem is solved, but also wastes a large amount of water purification resources.
In conclusion how to reduce the generation of secondary pollutant while purifying industrial waste gases, reach low emission, so that
It is problem in the urgent need to address at present in the target of zero-emission.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of reasonable, effective purifying industrial waste gases of design
And reduce industrial waste gas purifying and secondary pollutant harmless treatment process that secondary pollutant generates.
The present invention solves existing technical problem and adopts the following technical solutions to achieve:
A kind of industrial waste gas purifying and secondary pollutant harmless treatment process, comprising the following steps:
Kaolin is ground into kaolin powder by mechanical or air-flow method by step 1；
Step 2 pre-processes industrial waste gas to be clean, carries out waste material time using object in industrial waste gas
It receives, acid and basic species neutralize and absorb to organic matter；
Step 3 mixes kaolin powder with pretreated industrial waste gas, will be industrial using spray adsorption method
Substance in exhaust gas is adsorbed on kaolin powder；
Step 4 carries out Conveyance to the kaolin powder for being adsorbed with industrial waste gas, the gas after obtaining absorption pollutant
And siccative；
Step 5 carries out spray cleaning to the gas after absorption pollutant using wet processing；Shower water is in gravity or machine
It sinks, form muddy waste and is collected together with kaolin powder powder under tool effect；Obtained after spray air contained water into
Enter water separator；
Step 6 carries out steam-water separation using water separator, and the pure air after steam-water separation is discharged in atmosphere,
The water isolated enters sedimentation basin；
Step 7, the muddy waste after step 5 separation enter sedimentation basin and carry out object water separating treatment, by muddy
Waste has been adsorbed the purees in industrial waste gas after multi-pollutant by dehydration, and admission step 2 is pre- simultaneously for sedimentation basin
Water after treated aqueous waste, step 6 steam-water separation and the water after dehydration, and water is formed by filtering and water pump
Recycle；
The decontamination process to industrial waste gas is completed by above step.
It further, further include that harmless treatment step, specific steps packet are carried out to secondary pollutant after the step 7
It includes:
By the siccative of Conveyance, adsorbed purees in industrial waste gas after multi-pollutant, pretreatment after solid give up
Object carries out mixing processing, forms the material of mecystasis；
(2) porcelain billet material needed for the material compacting architectural pottery of the mecystasis (1) step obtained, porcelain billet material pass through drying
Processing, makes its form stable；
(3) by step, (2) gained porcelain billet material is sent into sintering furnace, through short warm, rapidly enters oxidation stage and reaches high
The warm firing stage decomposes and solidifies polluter, architectural pottery product is made.
Further, the fineness of the kaolin powder of the step 1 is 1000-5000 mesh.
Further, the step 2 to waste recovery is carried out using object in industrial waste gas is realized using gravitational method
, it to acid neutralization is realized using spray process containing buck, it is real using spray process containing sour water for neutralize to basic species
Existing, absorb to organic matter is realized using kerosene spray process.
Further, the step 3 is to step 7 circular flow, for purifying for multicomponent industrial waste gas.
Further, when (1) the step carries out that processing is mixed, if the water of corresponding amount is added when water deficient, such as
Corresponding amount solid material is added when fruit moisture is more.
Further, (1) the step forms moisture of the material containing 10-15% of mecystasis.
Further, the temperature of the short warm of the step (3) is 800 DEG C hereinafter, the temperature of oxidation stage is 900
DEG C or more.
Further, new exhaust emission is generated in step high temperature sintering procedure (3), entered after gas sampling
Step 3 carries out purified treatment again.
The advantages and positive effects of the present invention are:
1, all types of industries place (such as coal-burning power plant, fossil fuelled power, coking, chemical industry, rubbish be the composite can be widely applied to
The fields such as rubbish burning, petrochemical industry, biochemistry, food) generate industrial waste gas such as dust particle, flue gas flue dust, gas with foreign flavor, have
The work that malicious pernicious gas is administered can purify the organic exhaust gas such as dioxin, benzene, phenol, ester, alcohol, acid, aldehyde, and vulcanization
The purification of the soda acids inorganic waste gases such as object, oxide, nitrogen ammonia, various forms of heavy metals and a variety of pollutions such as compound and organic exhaust gas
Substance.
2, the kaolin that the present invention uses derives from kaolin ore, widely distributed all over the world, cheap, is easy to out
It adopts, transport and processes, complete purified kaolin and still realize its regular purposes, become valuable architectural pottery system
Product convenient for application and are promoted.
3, the present invention can substitute most method for purifying waste gases used at present, and there is maximum cleanliness to purify energy
Power, repeat self-circulation purifying, without waste, purification it is at low cost or profit, realize that real industrial waste gas low emission (is only fired
Burn the carbon dioxide that oxidation is formed) and object without secondary pollution.
4, it when needing to pollutant recycling and reusing, after method of the invention being used for recovery process, improves
Degree of purification.
5, the purees after the industrial waste gas purifying of the invention that can will be dispersed in different places, different scales is collected, is transported
It is defeated and put together and uniformly handled, cleaning project scale of investment can be not only reduced, but also large-scale production may be implemented
Profit.
6, the engineering equipment that uses of the present invention may be implemented to minimize, for large combustion engines exhaust, food and drink exhaust gas and big
Type builds the fields such as aeration clearing.
Although 7, the present invention needs to consume certain energy, if considering the energy consumed required for architectural pottery product production
Situation, total energy consumption or lower can further decrease energy consumption by continuous production mode.
Although 8, the present invention needs to consume certain water or organic solvent, the consumption of water be only the aqueous of purees and
It is discharged with purified air evaporation, other water may be reused, and organic solvent can aoxidize in sintering procedure
Burning improves and fires furnace temperature, offsets fuel consumption.
9, the ceramic building material that the present invention carries out harmless treatment formation to secondary pollutant can substitute now a large amount of
The cement constructional material used, ceramic building material are better than cement constructional material, the present invention more in terms of physical and chemical properties
Large-scale application can not only reduce the pollution of industrial waste gas, can also reduce making for the cement products of highly energy-consuming and high pollution
With.
Detailed description of the invention
Fig. 1 is process route chart of the invention.
Specific embodiment
The embodiment of the present invention is further described below in conjunction with attached drawing:
A kind of industrial waste gas purifying and secondary pollutant harmless treatment process, as shown in Figure 1, comprising the following steps:
Step 1, the kaolin powder that kaolin is ground into 1000-5000 mesh fineness by mechanical or air-flow method, such as
Process in Fig. 1 is 1. and 2. shown.
The present invention purifies industrial waste gas using kaolin starting material.Kaolin is non-metal solid mineral products kaolin,
Alias is white clouds soil, white clay, clay, pavilion soil powder etc., English entitled Kaolin, chemical formula Al203·2Si02·2H20, point
Son amount is 258.Kaolin has the performance that various ions and impurity are adsorbed from surrounding medium, and has certain journey in the solution
The ion exchange property of degree.Kaolin chemical stability is good, nuisanceless under normality；With good machining property.Kaolinite
Soil has preferable plasticity, associativity, viscosity, drying property and agglutinating property.
The present invention is when to industrial waste gas purifying, it should be processed into powdered.The Industry Waste of grain fineness and processing
The granular size of gas pollutant is directly proportional, such as needs relatively fine particle to when handling containing heavy metal component industrial waste gas, so as to burn
The ceramic of system is of close texture, and blocks heavy metal component.
Step 2 pre-processes industrial waste gas to be clean, and process as shown in figure 1 is 3. shown.
In order to more effectively be handled industrial waste gas, this step pre-processes different industrial waste gases.Pre- place
Reason process carries out waste recovery to using object (as used gravitational method)；To the dirt of the organic matters such as dioxin not soluble in water, phenol
The organic solvents such as dye object petrol and diesel oil are mixed in a manner of spraying with industrial waste gas, have been adsorbed on the organic substance in industrial waste gas
On the particle of solvent, the dosage of organic solvent and the chemical equivalent of pollutant are suitable；To with can be formed acidic materials nitrogen and
Element sulphur is that major pollutants industrial waste gas uses the aqueous solution containing alkaline matter (such as sodium hydroxide) in a manner of spraying and industry
Exhaust gas mixing, forms mixture, and carry out neutralization reaction, the dosage of alkaline matter and the acidic materials chemical equivalent phase in exhaust gas
Deng；When the main component of pollutant is alkaline matter, acid solution can be used, neutralization is carried out to it, acidic materials
Dosage is equal with the alkaline matter chemical equivalent in exhaust gas.In preprocessing process, if having, Recyclable is i.e. recyclable, processing
Solid waste concentration is sent to subsequent handling (process is 10.), and aqueous waste is sent to subsequent handling (process is 8.).
Step 3 mixes the kaolin powder that step 1 obtains with industrial waste gas by the object in industrial waste gas with spraying method
Matter is adsorbed on kaolin powder, and process as shown in figure 1 is 4. shown.
The substance in industrial waste gas is adsorbed on kaolin powder using dry type spray process, the kaolin powder dosage
It is suitable the pollutant in exhaust gas can be adsorbed, to spray space pressure and temperature there is no limit, to be sufficiently adsorbed as target.
Step 4 carries out Conveyance to the kaolin powder for being adsorbed with industrial waste gas, the gas after obtaining absorption pollutant
And siccative, process as shown in figure 1 is 5. shown, using gravity (such as in cyclone type seperator) or electro ultrafiltration (as electricity removes
Dirt device) siccative is separated and collected, the siccative concentration of collection is sent to subsequent handling (process is 10.).
Step 5, to water be cleanser wet processing (such as gravity spray wet scrubber/cyclone type wet scrubber
Deng) spray cleaning is carried out to the gas after the absorption pollutant, process as shown in figure 1 is 6. shown.Shower water in gravity or
It sinks, form muddy waste and is collected together with the powder under mechanism, water consumption is can purify in air
Subject to dust material.Air contained water is obtained after spray enters water separator (such as silk screen steam-water separator).
Step 6 carries out steam-water separation using water separator (such as silk screen steam-water separator), and process as shown in figure 1 is 7.
Shown, after steam-water separation, the pure air for reaching discharge standard is discharged in atmosphere, and the water isolated enters sedimentation basin.
Step 7, the muddy waste after step 5 separation enter sedimentation basin and complete object water separating treatment (process is 8.),
Muddy waste is passed through into dehydration (such as mechanical dehydration method), has been adsorbed the pureed in industrial waste gas after multi-pollutant
Object, process is 9. shown as shown in figure 1, and dehydration procedure can reduce the water content of waste, reaches pureed, it is heavy that the water of abjection enters
Shallow lake pond.Sedimentation basin also receives the pretreatment process 3. aqueous waste of (step 2), steam-water separation process 7. (step 6) and de- simultaneously
The water of water conservancy project sequence 9., and recycling for water is formed by filtering and water pump.
The decontamination process to industrial waste gas is completed by above step.If desired, step 3 can be repeated to step
7, so reach deeper into purification, multicomponent industrial waste gas can be carried out using the combination of previous process, carry out it is more
Secondary different adsorption cleaning process completes purification.
Step 9 carries out harmless treatment to the purees adsorbed in industrial waste gas after multi-pollutant.
It is secondary pollutant due to having adsorbed the purees in industrial waste gas after multi-pollutant, however, purees at this moment
Pollutant can be wrapped up, and stability is good, be also convenient for collecting, transport and concentrating, these processes will not generate pollution
Object escape and recontamination.Architectural pottery product, which is made, in this purees can complete Harmless processing, and become to have
Value and available product, concrete processing procedure are as follows:
(1) the siccative of Conveyance, muddy waste, pretreated solid waste are subjected to mixing processing (such as machinery
Paddling process), as process 10. shown in, form the material (10-15% or so moisture) of mecystasis, pollutant is wrapped in the material
In material, if when water deficient be added corresponding amount water, if when moisture is more be added corresponding amount solid material (such as kaolin powder or
Person's ashes powder etc.).
(2) shape needed for the material compacting architectural pottery (1) step obtained, is made porcelain billet material, as process 1. shown in, press
Power is using no surface pores as standard, so that surface is smooth, reduces permeable and gas permeability, blank is by being dried, (such as natural wind
Dry method), as process 1. 2. shown in, make its form stable (10% or so moisture).
(3) by step, (2) gained blank is sent into sintering furnace, as process 1. 3. shown in, through short preheating (800 DEG C or less) process,
It rapidly enters oxidation stage (900 DEG C or more) and reaches a high temperature the firing stage, decompose and solidify polluter, decompose and have cured
Polluter becomes nuisanceless, the available and building ceramics with economic value.Architectural pottery product is made.
When high temperature fires the stage, according to the pollutant property that the material wraps up, firing temperature, sufficiently decomposition institute are adjusted
State the pollutant wrapped up in material.When using organic matter as major pollutants, firing temperature, which reaches 1000 DEG C, can be decomposed greatly
Most pollutants；When using heavy metal as major pollutants, firing temperature will reach 1200 DEG C or more, form pate dure, prevent
Heavy metal escapes in use.
The soaking period is not needed in architectural pottery product sintering procedure, manufactured goods directly come out and cool down, in high furnace temperature
Shi Jinhang next round is fired, and energy consumption is reduced.
A small amount of pollutant evolution is had in sintering procedure, while also being had fuel combustion and being generated new exhaust emission,
Gas sampling is entered into aforementioned purification process (process is 4.), realizes complete non-pollution discharge.
The purees that the purification process for the industrial waste gas that dispersion carries out generates can be put together and uniformly be fired place
Reason, architectural pottery product of accomplishing scale production, for covered grounds purposes such as square brick, grass-planting bricks.
It is emphasized that embodiment of the present invention be it is illustrative, without being restrictive, therefore packet of the present invention
Include and be not limited to embodiment described in specific embodiment, it is all by those skilled in the art according to the technique and scheme of the present invention
The other embodiments obtained, also belong to the scope of protection of the invention.
Claims (8)
1. a kind of industrial waste gas purifying and secondary pollutant harmless treatment process, it is characterised in that the following steps are included:
Kaolin is ground into kaolin powder by mechanical or air-flow method by step 1；
Step 2 pre-processes industrial waste gas to be clean, carries out waste recovery, right using object in industrial waste gas
Acid and basic species neutralize and absorb to organic matter；
Step 3 mixes kaolin powder with pretreated industrial waste gas, using spray adsorption method by industrial waste gas
In substance be adsorbed on kaolin powder；
Step 4 carries out Conveyance to the kaolin powder for being adsorbed with industrial waste gas, gas after obtaining absorption pollutant and dry
Material；
Step 5 carries out spray cleaning to the gas after absorption pollutant using wet processing；Shower water is in gravity or mechanical work
It is sunk, form muddy waste and is collected together with kaolin powder powder with lower；Air contained water is obtained after spray enters vapour
Water separation device；
Step 6 carries out steam-water separation using water separator, and the pure air after steam-water separation is discharged in atmosphere, separates
Water out enters sedimentation basin；
Step 7, the muddy waste after step 5 separation enter sedimentation basin and carry out object water separating treatment, by muddy waste
The purees in industrial waste gas after multi-pollutant is adsorbed by dehydration, admission step 2 pre-processes sedimentation basin simultaneously
Water after rear aqueous waste, step 6 steam-water separation and the water after dehydration, and following for water is formed by filtering and water pump
Ring utilizes；
Step 8 carries out harmless treatment to secondary pollutant, and specific steps include:
By the siccative of Conveyance, adsorbed after purees in industrial waste gas after multi-pollutant, pretreatment solid waste into
Row mixing processing, forms the material of mecystasis；
(2) porcelain billet material needed for the material compacting architectural pottery of the mecystasis (1) step obtained, porcelain billet material pass through at dry
Reason, makes its form stable；
(3) by step, (2) gained porcelain billet material is sent into sintering furnace, through short warm, rapidly enters oxidation stage and the burning that reaches a high temperature
Stage processed decomposes and solidifies polluter, architectural pottery product is made；
The decontamination process to industrial waste gas is completed by above step.
2. a kind of industrial waste gas purifying according to claim 1 and secondary pollutant harmless treatment process, feature exist
In: the fineness of the kaolin powder of the step 1 is 1000-5000 mesh.
3. a kind of industrial waste gas purifying according to claim 1 and secondary pollutant harmless treatment process, feature exist
In: the step 2 carries out waste recovery using gravitational method realization using object in industrial waste gas, neutralizes to acid
Is realized using spray process containing buck, neutralize to basic species is that spray process containing sour water is used to realize, to organic matter into
Row, which absorbs, to be realized using kerosene spray process.
4. a kind of industrial waste gas purifying according to claim 1 and secondary pollutant harmless treatment process, feature exist
In: the step 3 to step 7 circular flow, for being purified for multicomponent industrial waste gas.
5. a kind of industrial waste gas purifying according to claim 1 and secondary pollutant harmless treatment process, feature exist
In: when the step carries out that processing is mixed (1), if the water of corresponding amount is added when water deficient, if added when moisture is more
Enter corresponding amount solid material.
6. a kind of industrial waste gas purifying according to claim 1 and secondary pollutant harmless treatment process, feature exist
In: (1) the step forms moisture of the material containing 10-15% of mecystasis.
7. a kind of industrial waste gas purifying according to claim 1 and secondary pollutant harmless treatment process, feature exist
In: the temperature of the short warm of the step (3) is 800 DEG C hereinafter, the temperature of oxidation stage is 900 DEG C or more.
8. a kind of industrial waste gas purifying according to claim 1 and secondary pollutant harmless treatment process, feature exist
In: in step high temperature sintering procedure (3) generate new exhaust emission, entered step after gas sampling 3 carry out again it is net
Change processing.
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| CN108343982A (en) * | 2018-02-24 | 2018-07-31 | 徐振克 | A kind of incineration flue gas of household garbage processing system and technique |
| CN111659225A (en) * | 2020-07-10 | 2020-09-15 | 曲卫晶 | Exhaust gas purification system and method for marine fuel engine |
| CN113577986B (en) * | 2021-05-19 | 2024-06-21 | 王友善 | Industrial waste gas treatment method and equipment |
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| CN101134152A (en) * | 2006-08-29 | 2008-03-05 | 何彬 | Method for processing air pollutant by using bug dust and device thereof |
| CN101874963A (en) * | 2009-12-04 | 2010-11-03 | 华中科技大学 | A method for removing pollutants under oxygen-enriched combustion |
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