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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
waste gas
industrial waste
pollutant
water
harmless treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710072712.8A
Other languages
Chinese (zh)
Other versions
CN106823687A (en
Inventor
曲卫晶
夏莉莉
邱汉学
Original Assignee
曲卫晶
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 曲卫晶 filed Critical 曲卫晶
Priority to CN201710072712.8A priority Critical patent/CN106823687B/en
Publication of CN106823687A publication Critical patent/CN106823687A/en
Application granted granted Critical
Publication of CN106823687B publication Critical patent/CN106823687B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • B01D53/06Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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
    • B01D53/1487Removing organic compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/38Removing components of undefined structure
    • B01D53/40Acidic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/38Removing components of undefined structure
    • B01D53/42Basic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75Multi-step processes
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1321Waste slurries, e.g. harbour sludge, industrial muds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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

A kind of industrial waste gas purifying and secondary pollutant harmless treatment process
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.
CN201710072712.8A 2017-02-10 2017-02-10 A kind of industrial waste gas purifying and secondary pollutant harmless treatment process Active CN106823687B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710072712.8A CN106823687B (en) 2017-02-10 2017-02-10 A kind of industrial waste gas purifying and secondary pollutant harmless treatment process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710072712.8A CN106823687B (en) 2017-02-10 2017-02-10 A kind of industrial waste gas purifying and secondary pollutant harmless treatment process

Publications (2)

Publication Number Publication Date
CN106823687A CN106823687A (en) 2017-06-13
CN106823687B true CN106823687B (en) 2019-04-09

Family

ID=59122218

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710072712.8A Active CN106823687B (en) 2017-02-10 2017-02-10 A kind of industrial waste gas purifying and secondary pollutant harmless treatment process

Country Status (1)

Country Link
CN (1) CN106823687B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108343982A (en) * 2018-02-24 2018-07-31 徐振克 A kind of incineration flue gas of household garbage processing system and technique

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 Method for removing contaminations under oxygen-enriched combustion condition
CN104399363A (en) * 2014-12-02 2015-03-11 成都华西堂投资有限公司 Waste recycling and regenerating device used in flue gas purification method
CN104772033A (en) * 2014-12-02 2015-07-15 成都华西堂投资有限公司 Flue gas dry wet purification recovery processing system
CN204723791U (en) * 2015-06-01 2015-10-28 泉州高泉电镀设备有限责任公司 Dry, wet waste gas purification double tower
CN105080307A (en) * 2014-05-12 2015-11-25 陈汇宏 Desulfurization and denitrification method for tail gas, used equipment and product application thereof
CN105289248A (en) * 2015-10-22 2016-02-03 王全 Wet-type purification treatment method and device for flue gas of domestic garbage incineration power plant
CN205287685U (en) * 2015-12-31 2016-06-08 宁波中金石化有限公司 Malodorous gas treatment device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 Method for removing contaminations under oxygen-enriched combustion condition
CN105080307A (en) * 2014-05-12 2015-11-25 陈汇宏 Desulfurization and denitrification method for tail gas, used equipment and product application thereof
CN104399363A (en) * 2014-12-02 2015-03-11 成都华西堂投资有限公司 Waste recycling and regenerating device used in flue gas purification method
CN104772033A (en) * 2014-12-02 2015-07-15 成都华西堂投资有限公司 Flue gas dry wet purification recovery processing system
CN204723791U (en) * 2015-06-01 2015-10-28 泉州高泉电镀设备有限责任公司 Dry, wet waste gas purification double tower
CN105289248A (en) * 2015-10-22 2016-02-03 王全 Wet-type purification treatment method and device for flue gas of domestic garbage incineration power plant
CN205287685U (en) * 2015-12-31 2016-06-08 宁波中金石化有限公司 Malodorous gas treatment device

Also Published As

Publication number Publication date
CN106823687A (en) 2017-06-13

Similar Documents

Publication Publication Date Title
CN103264044B (en) A kind of method of heavy metal and dioxin in collaborative removal refuse incinerating flyash
CN103977701B (en) A kind of mud smoke denitrifier and preparation method and application
CN1556349A (en) Domestic garbage treatment and cement rotary kiln combined production technology
CN102718422A (en) Chemical waste liquid disposal system
CN102886247B (en) Method for preparing adsorbent by virtue of red mud in alumina industry and sludge in sewage treatment
CN106823687B (en) A kind of industrial waste gas purifying and secondary pollutant harmless treatment process
CN104329675A (en) Method for incinerating sludge by using kiln tail system of cement plant
CN101628792A (en) Method for processing municipal solid waste by using shaft kiln cement production line
CN103801259A (en) Coal ash composite filter material and preparation method and application thereof
CN105521831A (en) Regeneration technology of marine vanadium-titanium catalyst for SCR denitrification
CN103030257A (en) Papermaking sludge incineration and harmless treatment method
CN104096541A (en) Preparation method for regenerative active adsorbent through solid wastes and plants
CN103420549B (en) Harmless waste treatment method in coal chemical industry
WO2017173850A1 (en) Domestic waste treatment apparatus
CN209940818U (en) Sludge treatment system
CN204254628U (en) A kind of device based on cement plant kiln tail system burning sludge
CN104315523A (en) Method for drying and burning sludge via cement plant kiln tail system
CN105417784A (en) Method for curing solidification treatment of heavy metal-containing sour water
CN109500049A (en) A kind of daily-life garbage without environmental pollution recycling processing method utilized with effluent cycle
CN206444985U (en) Offal treatment reutilization system
CN205145882U (en) Waste gas treatment system during PTA activated sludge uses multipurposely
KR100984065B1 (en) Manufacturing methods and devices of water treatment using natural combination materials
CN204254629U (en) A kind of device based on cement plant kiln tail system drying and incineration mud
CN106482120A (en) The method and apparatus for organic solid waste process being carried out using recirculating fluidized bed
CN202038953U (en) System for comprehensively utilizing sludge pretreatment and cement kiln

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant