CN107983126A - Incineration flue gas minimum discharge purifying treatment method and its processing system - Google Patents
Incineration flue gas minimum discharge purifying treatment method and its processing system Download PDFInfo
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- CN107983126A CN107983126A CN201810057427.3A CN201810057427A CN107983126A CN 107983126 A CN107983126 A CN 107983126A CN 201810057427 A CN201810057427 A CN 201810057427A CN 107983126 A CN107983126 A CN 107983126A
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- flue gas
- lye
- minimum discharge
- incineration
- ozone
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- 239000003546 flue gas Substances 0.000 title claims abstract description 86
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000011282 treatment Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 58
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 47
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 239000000654 additive Substances 0.000 claims abstract description 7
- 230000000996 additive effect Effects 0.000 claims abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 4
- 239000003513 alkali Substances 0.000 claims description 35
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 14
- 239000003344 environmental pollutant Substances 0.000 claims description 8
- 231100000719 pollutant Toxicity 0.000 claims description 8
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 7
- 238000005842 biochemical reaction Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004332 deodorization Methods 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- -1 HCl Chemical compound 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000002910 solid waste Substances 0.000 abstract description 5
- 239000003814 drug Substances 0.000 abstract description 4
- 239000003517 fume Substances 0.000 abstract description 4
- 239000010802 sludge Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 3
- 239000000356 contaminant Substances 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004056 waste incineration Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- 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
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
Abstract
The invention discloses a kind of incineration flue gas minimum discharge purifying treatment method, including sludge incineration, waste incineration, solid waste burning, dangerous waste discharged in burning flue gas, and the processing of the discharge flue gas of haydite kiln, cement kiln synergic processing discarded object, it is also applied for the discharge fume treatments of other Industrial Stoves systems.Processing unit includes active powdered carbon injection/mixing arrangement, bag-type dust collector, a lye spray equipment, ozone injection/mixer, secondary lye spray equipment, air-introduced machine, water spray system, demister, cooling tower and the chimney being sequentially connected, the discharged in burning flue gas is connected by pipeline with active powdered carbon injection/mixing arrangement, into present treatment apparatus system, the flue gas after final purification passes through smoke stack emission.The beneficial effects of the invention are as follows：Operating flexibility is strong, for the situation of different concentrations of contaminants in discharged in burning flue gas, by adjusting the additive amount of the medicaments such as active powdered carbon, ozone, lye, you can meet environment protection emission requirement.
Description
Technical field
The present invention relates to incineration flue gas treatment technology, more particularly to a kind of sludge incineration, waste incineration, solid waste burning, danger
Waste burning discharges flue gas and haydite kiln, the processing system for discharging flue gas of cement kiln synergic processing discarded object and its processing side
Method.
Background technology
With the development of the social economy, the Industrial Solid Waste amount (including sludge etc.) produced in enterprise production process and day are all
Increase.Industrial solid wastes to ecological environment there is serious pollution, it is such as improper to conduct oneself well that put be to people's health, environment and warp
Ji development leaves very big hidden danger.The incineration flue gas that burning process produces, its pollutant emission regard incinerating waste material component and burn work
Depending on skill condition, mainly there are imperfect combustion thing, flue dust, sour gas, organic gas, heavy metal and dioxins materials,
Fume treatment must be carried out, could be discharged after up to standard.
As the pay attention to day by day to environmental protection, control of the various regions environmental protection administration to Pollutant emission concentration and total amount are also tight all the more
Severe, traditional fume treatment technology has been difficult to meet ecological requirements, it is necessary to improve, to realize the processing up to standard of flue gas.
The content of the invention
The technical problems to be solved by the invention be to provide it is a kind of be directed to flue gas in different pollutant components, pollutant it is dense
Degree adjust at any time the activated carbon adsorption of additive amount of medicament, bag-type dust, ozone oxidation, lye spray, water spray group technology and
Processing system.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of incineration flue gas minimum discharge purification
Processing method, step are as follows：
Step S1, activated carbon adsorption：The pollutant in flue gas is adsorbed using active powdered carbon；Step S2, bag-type dust：Mixing
Dust and active powdered carbon in flue gas, which are captured in bag-type dust collector and are attached to filter bag surface, carries out continuation absorption, most
Rapping is discharged into flying dust tank afterwards；Step S3, desulphurization denitration deodorization, including step S31, an alkali spray：Through bag-type dust
Flue gas, which enters in an alkali spray equipment by the lye constantly sprayed with lye pump be sufficiently mixed, contacts concurrent biochemistry
Reaction is learned, removes the NO in flue gas in advance2、SO2, the sour gas such as HCl, HF and soluble organic gas, and reduce flue gas temperature
Degree；Step S32, ozone oxidation：Through step S31 washing after flue gas enter ozone injection/mixing arrangement in ozone generator
The ozone of generation is sufficiently mixed concurrent biochemical reaction, decomposes the organic gas in flue gas, and NO is oxidized to NO2Etc. solubility
High-valence state nitrogen oxides；Step S33, secondary lye spray：Flue gas treated by ozone, which enters in secondary alkali spray equipment, to be passed through
Constantly spray lye with lye pump be sufficiently mixed contacting, concurrent biochemical reaction, removes the NO in flue gas2Deng sour gas
Body；Step S4, raffinate recycling：Flue gas through secondary lye spray enters in water spray system with extracting water circulating tank by water pump
In water be sufficiently mixed contact, remove acid remaining in flue gas, lye；Step S5, flue gas take off white：Used in being sprayed in step S4
Water carries out circulated sprinkling again after cooling tower cools, and reduces the moisture in exhaust gas temperature reduction smoke evacuation, and flue gas passes through demisting
After device demisting air is discharged into chimney.
The ozone of the step S3 adjusts additive amount by the molar ratio of reaction.
The step S3 once or secondary spraying lye need constantly in circulating tank supplement maintain pH value between 8-11；
When salinity is higher than 3% in circulating tank, circulation fluid is needed to change.
The negative pressure that the flue gas of the step S1-S3 is formed through air-introduced machine enters activated carbon injection/mixing arrangement.
Flue-gas temperature into system and device is less than 200 DEG C.
Including active powdered carbon injection/mixing arrangement, bag-type dust collector, alkali spray equipment, the ozone being sequentially connected
Injection/mixing arrangement, air-introduced machine, water spray system, demister, cooling tower and chimney, further include secondary alkali spray equipment, described
Secondary alkali spray equipment is in parallel with an alkali spray equipment.
Ozone injection/the mixing arrangement is respectively communicated with an alkali spray equipment, secondary alkali spray equipment.
Alkali spray equipment, secondary alkali spray equipment are respectively communicated with lye circulating tank.
The activated carbon injection apparatus is connected with processed incineration flue gas by pipeline.
The lye spray equipment connects lye circulating tank, water spray system connection water circulating tank and cooling tower.
The beneficial effects of the invention are as follows：Using alkali spray-ozone oxidation-alkali spray compared with traditional treatment process
Processing mode, the discharge for improving the efficiency of vent gas treatment, especially nitrogen oxides, oxysulfide, organic gas etc. have obtained very
Good control；Operating flexibility is strong, for the situation of different concentrations of contaminants in incineration flue gas, by adjusting activated carbon, ozone,
The additive amount of the medicaments such as lye, you can meet environment protection emission requirement；Pollutant emission concentration can reach PM10≤5mg/m3, SO2
≤35mg/m3, NOX≤50mg/m3Minimum discharge index.
Brief description of the drawings
Fig. 1 is incineration flue gas minimum discharge cleaning treatment system schematic diagram of the present invention；
Fig. 2 is the process flow chart of incineration flue gas minimum discharge purified treatment of the present invention.
In figure：
1- activity powdered carbon injection apparatus 2- activity powdered carbon storage tanks
3- activated charcoal measure conveying device 4- flying dust tanks
5- flying dusts export machine 6- bag-type dust collectors
7- ozone generator 8- ozone injection apparatus
9- bis- alkali spray equipments of alkali spray equipment 10-
11- lye circulating tank 12,13- lye pumps
14,15- water pump 16- water circulating tanks
17- air-introduced machine 18- demisters
19- water spray system 20- chimneys
21- cooling towers
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description：
As shown in Figure 1, a kind of incineration flue gas minimum discharge cleaning treatment system, includes the active powdered carbon spray being sequentially connected
Penetrate/mixing arrangement 1,6, alkali spray equipments 9 of bag-type dust collector, ozone injection/mixing arrangement 8, secondary alkali spray equipment
10th, air-introduced machine 17, water spray system 19, demister 18, cooling tower 21 and chimney 20.Activated carbon injection apparatus 1 passes through activated carbon
Metering and conveying device 3 is connected with active powdered carbon tank 2；Ozone injection/mixing arrangement 8 is connected with ozone generator 7, lye circulating tank
11 connect alkali spray equipment 9,10 by lye pump 12,13, water circulating tank 16 by water pump 14,15 connect water spray system 19,
Cooling tower 21, the flue gas after final purification are discharged after 18 demisting of demister by chimney 20.
Burnt using the sludge incineration of incineration flue gas minimum discharge cleaning treatment system offer, solid waste described in above-mentioned technical proposal
Burn, dangerous waste is burned and haydite kiln, the incineration flue gas minimum discharge purifying treatment method of cement kiln synergic processing discarded object, such as figure
Shown in 2.White process is taken off including activated carbon adsorption, bag-type dust, the deodorization of ozone desulphurization denitration, raffinate recycling, flue gas.
Negative pressure is formed by air-introduced machine 17, incineration flue gas enters activated carbon injection/mixing arrangement by connecting pipe.It is described
Flue-gas temperature into system and device is less than 200 DEG C.By active powdered carbon storage tank 2, activated charcoal measure conveying device 3 constantly to
Active powdered carbon is sprayed into device 1, the flue gas with entering device 1 is sufficiently mixed, dust, bioxin in activated carbon adsorption flue gas,
Heavy metal, organic matter etc..
Mixed flue gas enters in sequentially connected bag-type dust collector 6, is trapped by filter bag, active powdered carbon is attached to filter bag
Surface carries out continuation absorption, last rapping discharge, into flying dust tank 4.
Flue gas through bag-type dust enters in a sequentially connected alkali spray equipment 9.By lye pump 12 constantly to
Conveying, spray lye, be sufficiently mixed contacting with the flue gas for entering device 9 in device 9, and concurrent biochemical reaction, goes in advance
Except the NO in flue gas2、SO2, the sour gas such as HCl, HF and soluble organic gas, and reduce flue-gas temperature, be conducive to follow-up
Ozone reaction, and reduce the consumption of ozone.
" ozone+wet sprinkling " carries out desulphurization denitration deodorization：Flue gas through an alkali spray washing enters sequentially connected
In ozone injection/mixing arrangement 8.The ozone that ozone generator 7 produces, is continuously fed in device 8 by pipeline, with entrance
The flue gas of device 8 is sufficiently mixed concurrent biochemical reaction, decomposes the organic gas in flue gas, and NO is oxidized to NO2Etc. solvable
Property high-valence state nitrogen oxides, easy to follow-up lye spray-absorption, the additive amount of ozone is adjusted by the molar ratio of reaction, is tradition
Denitration, one of deodorization technology efficient supplement or substitute technology；Flue gas treated by ozone enters sequentially connected secondary alkali spray
In shower device 10, constantly conveyed by lye pump 13 into device 10, spray lye, the flue gas with entering device 10 is filled
Divide and be mixed, concurrent biochemical reaction, removes the NO in flue gas2Deng sour gas.
During fume treatment, lye is constantly consumed the compounds such as generation salt.Need to be continuously replenished in circulating tank 11 successively
Aqueous slkali, to maintain certain pH value, pH value is generally between 8-11；When salinity reaches high value in circulating tank 11,
Generally greater than 3% needs to change circulation fluid.
The flue gas sprayed through secondary lye enters sequentially connected air-introduced machine 17, and is admitted in water spray system 19.It is logical
The water in the extraction water of water pump 15 circulating tank 16 is crossed, constantly conveys, spray into device 19, it is abundant with the flue gas into device 19
It is mixed, removes acid remaining in flue gas, lye, and by being discharged into purifying smoke greatly by chimney after 18 demisting of device
Gas.
Circulated sprinkling water cooling is cooled down by cooling tower 21, is conducive to the condensation of volatile matter remaining in flue gas, and water
The condensation divided, reaches the effect of removing " white cigarette ".
Compared with traditional treatment process, invention increases links such as ozone treatments, and using alkali spray-ozone oxygen
The mode of change-alkali spray, improves the discharge of the efficiency, especially nitrogen oxides, oxysulfide, organic gas etc. of vent gas treatment
Good control is obtained.Operating flexibility of the present invention is strong, for the situation of different concentrations of contaminants in incineration flue gas, passes through tune
The additive amount of the medicaments such as whole activated carbon, ozone, lye, you can meet environment protection emission requirement.The flue gas handled through the system device,
Its Pollutant emission concentration can reach PM10≤5mg/m3, SO2≤35mg/m3, NOX≤50mg/m3Minimum discharge index.
Above-mentioned steps are the better embodiment of the present invention, are only used for the convenient explanation present invention, not the present invention is appointed
What formal limitation.Any those of ordinary skill in the art, if special not departing from technology provided by the present invention
In the range of sign, using disclosed technology contents make it is local change or the equivalent embodiment of modification, and without departing from
The technical feature content of the present invention, in the range of still falling within the technology of the present invention feature.
Claims (10)
1. a kind of incineration flue gas minimum discharge purifying treatment method, step are as follows：
Step S1, activated carbon adsorption：The pollutant in flue gas is adsorbed using active powdered carbon；
Step S2, bag-type dust：Dust and active powdered carbon in mixed flue gas are captured and are attached in bag-type dust collector
Filter bag surface carries out continuation absorption, and last rapping is discharged into flying dust tank；
Step S3, desulphurization denitration deodorization, including step S31, an alkali spray：Flue gas through bag-type dust enters an alkali and sprays
By the lye constantly sprayed with lye pump be sufficiently mixed in device and contact concurrent biochemical reaction, remove flue gas in advance
In NO2、SO2, the sour gas such as HCl, HF and soluble organic gas, and reduce flue-gas temperature；Step S32, ozone oxidation：
Flue gas after step S31 washings enters the ozone produced in ozone injection/mixing arrangement with ozone generator and is sufficiently mixed simultaneously
Chemically react, decompose the organic gas in flue gas, and NO is oxidized to NO2Deng soluble high-valence state nitrogen oxides；Step
S33, secondary lye spray：Flue gas treated by ozone enters in secondary alkali spray equipment by constantly spraying alkali with lye pump
Liquid carries out being sufficiently mixed contact, and concurrent biochemical reaction, removes the NO in flue gas2Deng sour gas；
Step S4, raffinate recycling：Flue gas through secondary lye spray enters in water spray system to be circulated with extracting water by water pump
Water in tank is sufficiently mixed contact, removes acid remaining in flue gas, lye；
Step S5, flue gas take off white：Water used is sprayed in step S4 and carries out circulated sprinkling again after cooling tower cools, is reduced
Exhaust gas temperature reduces the moisture in smoke evacuation, and flue gas into chimney after demister demisting by being discharged into air.
2. incineration flue gas minimum discharge purifying treatment method according to claim 1, it is characterized in that：The step S3's is smelly
Oxygen adjusts additive amount by the molar ratio of reaction.
3. incineration flue gas minimum discharge purifying treatment method according to claim 1, it is characterized in that：The one of the step S3
Secondary or secondary spraying lye needs the supplement constantly in circulating tank to maintain pH value between 8-11；When salinity is higher than in circulating tank
When 3%, circulation fluid is needed to change.
4. incineration flue gas minimum discharge purifying treatment method according to claim 1, it is characterized in that：The step S1-S3
The negative pressure that is formed through air-introduced machine of flue gas enter activated carbon injection/mixing arrangement.
5. incineration flue gas minimum discharge purifying treatment method according to claim 1, it is characterized in that：Into system and device
Flue-gas temperature is less than 200 DEG C.
6. a kind of processing system of incineration flue gas minimum discharge purifying treatment method for described in claim 1, it is characterized in that：
Including be sequentially connected active powdered carbon injection/mixing arrangement, bag-type dust collector, an alkali spray equipment, ozone injection/mixing
Device, air-introduced machine, water spray system, demister, cooling tower and chimney, it is characterized in that：Secondary alkali spray equipment is further included, it is described
Secondary alkali spray equipment is in parallel with an alkali spray equipment.
7. incineration flue gas minimum discharge purifying processing device according to claim 6, it is characterized in that：The ozone injection/
Mixing arrangement is respectively communicated with an alkali spray equipment, secondary alkali spray equipment.
8. incineration flue gas minimum discharge purifying processing device according to claim 6, it is characterized in that：The alkali spray
Device, secondary alkali spray equipment are respectively communicated with lye circulating tank.
9. incineration flue gas minimum discharge purifying processing device according to claim 6, it is characterized in that：The activated carbon injection
Device is connected with processed incineration flue gas by pipeline.
10. incineration flue gas minimum discharge purifying processing device according to claim 6, it is characterized in that：The lye spray
Device connects lye circulating tank, water spray system connection water circulating tank and cooling tower.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810057427.3A CN107983126A (en) | 2018-01-22 | 2018-01-22 | Incineration flue gas minimum discharge purifying treatment method and its processing system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108905407A (en) * | 2018-06-06 | 2018-11-30 | 郭世宏 | The method that compound flue gas desulfurization and denitrification takes off white minimum discharge processing |
| CN110357578A (en) * | 2019-07-17 | 2019-10-22 | 中国建筑材料科学研究总院有限公司 | Utilize the method for haydite kiln disposal of solid waste and the haydite kiln of disposal of solid waste |
| CN110813068A (en) * | 2019-12-04 | 2020-02-21 | 武汉三立鼎兴科技有限公司 | Treatment process of phenol waste gas |
| CN111644033A (en) * | 2020-06-10 | 2020-09-11 | 贵州省鑫瀚蓝环保科技有限公司 | High-efficiency desulfurization method |
| CN113731114A (en) * | 2021-09-18 | 2021-12-03 | 西安热工研究院有限公司 | System and method for removing waste incineration flue gas pollutants by combining ozone and activated carbon |
| CN114177761A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | Ultralow emission system and method for hazardous waste incineration flue gas pollutants |
| CN114177760A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | System and method for oxidizing active oxygen in hazardous waste incineration flue gas and integrally discharging hazardous waste incineration flue gas in ultralow emission mode |
| CN114797416A (en) * | 2022-04-19 | 2022-07-29 | 成都艾侃智能设备有限公司 | Method for ultralow emission treatment of sludge incineration tail gas |
| CN115677374A (en) * | 2022-11-15 | 2023-02-03 | 北京科技大学 | Method for condensing wet flue gas at condensation section of ceramsite roasting kiln |
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