CN110180356A - The processing unit and method of Cremation Machine incineration flue gas - Google Patents
The processing unit and method of Cremation Machine incineration flue gas Download PDFInfo
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- CN110180356A CN110180356A CN201910522904.3A CN201910522904A CN110180356A CN 110180356 A CN110180356 A CN 110180356A CN 201910522904 A CN201910522904 A CN 201910522904A CN 110180356 A CN110180356 A CN 110180356A
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- flue gas
- flue
- gas
- heat exchanger
- outlet
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- 239000003546 flue gas Substances 0.000 title claims abstract description 289
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 287
- 238000000034 method Methods 0.000 title abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 82
- 238000010521 absorption reaction Methods 0.000 claims abstract description 72
- 239000007789 gas Substances 0.000 claims abstract description 52
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 48
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000779 smoke Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims abstract description 23
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 21
- 230000002378 acidificating effect Effects 0.000 claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 15
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 15
- 239000013618 particulate matter Substances 0.000 claims abstract description 13
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 12
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 8
- 230000023556 desulfurization Effects 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000001473 noxious effect Effects 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims description 56
- 239000007788 liquid Substances 0.000 claims description 51
- 238000002347 injection Methods 0.000 claims description 41
- 239000007924 injection Substances 0.000 claims description 41
- 239000002956 ash Substances 0.000 claims description 19
- 239000002699 waste material Substances 0.000 claims description 16
- 231100000719 pollutant Toxicity 0.000 claims description 15
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 238000010791 quenching Methods 0.000 claims description 8
- 238000003672 processing method Methods 0.000 claims description 7
- 238000006479 redox reaction Methods 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 5
- 239000010882 bottom ash Substances 0.000 claims description 4
- 239000002957 persistent organic pollutant Substances 0.000 claims description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 15
- 239000000203 mixture Substances 0.000 abstract description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000004744 fabric Substances 0.000 description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 14
- 239000000428 dust Substances 0.000 description 13
- 150000003384 small molecules Chemical class 0.000 description 12
- 238000005507 spraying Methods 0.000 description 11
- 238000012856 packing Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000002588 toxic effect Effects 0.000 description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 7
- 235000019504 cigarettes Nutrition 0.000 description 7
- 150000002240 furans Chemical class 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 231100000331 toxic Toxicity 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 229910017604 nitric acid Inorganic materials 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 6
- 239000003500 flue dust Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 3
- 230000001458 anti-acid effect Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 231100000167 toxic agent Toxicity 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—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
- 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
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- 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
-
- 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
- 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
- B01D53/32—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 electrical effects other than those provided for in group B01D61/00
- B01D53/323—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 electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
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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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur 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
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
- B01D53/70—Organic halogen 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
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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
- B01D2257/20—Halogens or halogen compounds
- B01D2257/206—Organic halogen compounds
- B01D2257/2064—Chlorine
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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
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/30—Halogen; Compounds thereof
- F23J2215/301—Dioxins; Furans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
This application discloses the processing units and method of a kind of Cremation Machine incineration flue gas, method includes the following steps: Cremation Machine incineration flue gas is delivered to the processing of chilling tower, quickly reduce flue-gas temperature and controls the low temperature synthesis of dioxin；Flue gas is passed through Mars blocker, traps the comburant in flue gas；Flue gas is mixed with active carbon therewith, removes dioxin and heavy metal in flue gas；Treated, and flue gas is passed through bag filter, traps the particulate matter and active carbon being mingled in flue gas；Treated, and flue gas is passed through heat exchanger progress heat exchange；Treated, and flue gas is passed through low-temperature plasma reaction unit, for active particle needed for generating denitration desulfurization；Subsequent flue gas is passed through absorption plant, traps acidic materials and remaining noxious material in flue gas；Purifying smoke is passed through heat exchanger, outlet after heating treatment.The present invention can be realized complicated composition, and realize the minimum discharge of flue gas compared with the deep purifying of the flue gas of multi-pollutant containing foul gas, sulfide, nitrogen oxides, dioxin.
Description
Technical field
The present invention relates to the processing units and side of fume treatment technical field more particularly to a kind of Cremation Machine incineration flue gas
Method.
Background technique
China crematorium is diesel oil cremator using more universal Cremation Machine at this stage, can generate evil in combustion process
The toxics atmosphere pollution such as smelly, particulate matter, sulfur dioxide, nitrogen oxides, carbon monoxide, dioxin, meanwhile, funeral profession
Chimney height is generally lower, leads to atmosphere pollution diffusion near the ground, to cause danger to surrounding enviroment and human health
Evil.Therefore brought atmosphere pollution and other harm are discharged in order to reduce Cremation Machine incineration flue gas, needs to be arranged processing dress
It sets and Cremation Machine incineration flue gas is handled, but existing processing unit cannot well take off spark machine incineration flue gas
Nitre, desulfurization, removing dioxin and dust removal process.
Summary of the invention
The present invention is in view of the above-mentioned problems, propose the processing unit and method of a kind of Cremation Machine incineration flue gas.
The technical solution adopted by the present invention is as follows:
The present invention provides a kind of processing unit of Cremation Machine incineration flue gas, comprising:
Chilling tower, has entrance and exit, and the entrance of the chilling tower is used to receive the flue gas after Cremation Machine is burned；
Mars blocker, has entrance and exit, and the entrance of the Mars blocker passes through flue and the chilling tower
Outlet communicates, and the Mars blocker is used to trap the comburant through being mingled in over-quenching tower treated flue gas；
Bag filter, has smoke inlet, exhanst gas outlet and ash discharging hole, and the smoke inlet passes through straight flue and institute
The outlet for stating Mars blocker communicates；Active carbon injection apparatus is equipped between the bag filter and the Mars blocker,
The active carbon injection apparatus is communicated by jet pipe with straight flue, and the active carbon injection apparatus is intercepted for adsorbing through Mars
Dioxin and heavy metal in device treated flue gas；
Heat exchanger has hot gas inlet, heat outlet, cold air inlet and cold air outlet, the hot gas inlet of the heat exchanger
It is communicated by flue with the exhanst gas outlet of the bag filter；The cold air outlet of the heat exchanger is connected by flue and chimney
It connects；
Absorption plant, has the outlet positioned at the entrance of lower end and positioned at upper end, and the entrance of the absorption plant passes through master
Flue is communicated with the heat outlet of the heat exchanger, and the outlet of the absorption plant is communicated by flue with the cold air inlet；
The acidic materials and remnants noxious material that the absorption plant is used to trap by heat exchanger treated flue gas.
The flue gas that Cremation Machine is burned is input in chilling tower by entrance by setting chilling tower, passes through chilling by the present invention
Flue gas injection liquid of the chilling spray system into tower in tower, to quickly reduce the temperature of flue gas in tower and control two evils
The low temperature of English synthesizes；Through over-quenching tower cooling treated flue gas enters Mars blocker, the comburant being mingled in flue gas is removed,
Avoid its cloth bag of burning；It is mixed in flue by the flue gas of Mars blocker with the active carbon that active carbon injection apparatus sprays,
Adsorb the pollutants such as heavy metal, dioxin and the furans in flue gas；Then, by active carbon injection apparatus treated flue gas into
Enter bag filter, further removes the active carbon and imperfect combustion oil smoke of the particulate matter, penetrating that are mingled in flue gas；Through
Enter absorption plant after treated flue gas the enters heat exchanger cooling of cloth bag deduster, absorption plant traps the acidity in flue gas
Substance and remaining Toxic, the final deep purifying for realizing flue gas；Flue gas after deep purifying passes through after heat exchanger heats
Chimney outlet.It can be seen that processing unit of the invention can be realized complicated composition, and contain foul gas, sulfide, nitrogen oxidation
Object, dioxin realize the minimum discharge of Cremation Machine incineration flue gas compared with the deep purifying of the Cremation Machine incineration flue gas of multi-pollutant；Together
When, which has many advantages, such as that simple structure, investment, equipment operation and system maintenance cost are lower.
It optionally, further include low-temperature plasma reaction unit, the low-temperature plasma reaction unit is set to the heat exchanger
Between the absorption plant, the low-temperature plasma reaction unit has entrance and exit, the low-temperature plasma reaction dress
The entrance set is communicated by flue with the heat outlet of the heat exchanger；The outlet of the low-temperature plasma reaction unit passes through cigarette
Road is communicated with the entrance of the absorption plant；The low-temperature plasma reaction unit is for generating active grain needed for denitration desulfurization
Son promotes the pollutant in the flue gas handled by heat exchanger that redox reaction occurs.
It optionally, further include ozone generator, the ozone generator has entrance and exit, the ozone generator
Entrance is connected by connecting tube with the gas vent of oxygen cylinder；The outlet of the ozone generator passes through flue and flue collector phase
It is logical, for suitable ozone being provided into flue collector to aoxidize organic pollutant.
Optionally, it is equipped with chilling spray system in the chilling tower, the chilling spray system is to entering the chilling tower
Interior flue gas injection liquid, for quickly reducing the temperature of flue gas and controlling the low temperature synthesis of dioxin.
Optionally, the lower end of the absorption plant is additionally provided with waste liquid outlet, the waste liquid outlet by return pipe with it is described
Chilling spray system communicates, and the return pipe is equipped with elevator pump, and the elevator pump is used in transport portion waste liquid to chilling tower,
The waste liquid be absorption plant in the spray liquid after smoke reaction；The setting takes full advantage of the spray liquid in absorption plant,
Cost is saved.
Optionally, uniform board is provided in the entrance of the chilling tower, it is ensured that the gas of flue gas heat-exchange unit device reaction ontology
Uniformly distributed coefficient is flowed less than 0.20.
Optionally, further include receiving apparatus for ash, be connected by pipeline with the ash discharging hole of the bag filter, for collecting
The bottom ash of ash discharging hole discharge, convenient for the centralized processing of dust.
Optionally, the air-introduced machine connecting with cold air outlet is equipped with after the heat exchanger, the air-introduced machine is for conveying flue gas
To the chimney, the resistance that the air-introduced machine is used to that whole system to be overcome to generate realizes the abundant discharge of purifying smoke, entire to be
System refers to chilling tower, Mars blocker, bag filter, low-temperature plasma reaction unit, heat exchanger and absorption plant composition
System.
Optionally, the top of the low-temperature plasma reaction unit is equipped with plasma power supply.
Optionally, the cloth bag material of the bag filter is PTFE, and the material high temperature resistant, antiacid alkali, oil rub resistance can
Acidic materials in trapping flue gas and incinerated matter etc. well, further enhance the service life of cloth bag.
The present invention also provides a kind of processing methods of Cremation Machine incineration flue gas, comprising the following steps:
A, Cremation Machine incineration flue gas is delivered to chilling tower to handle, the chilling tower is for quickly reducing flue-gas temperature
And control the low temperature synthesis of dioxin；
B, the flue gas after processing of step A is passed through Mars blocker, and the Mars blocker is for trapping in flue gas
Comburant；
C, by step B, treated that flue gas is passed through straight flue, and active carbon injection apparatus sprays work into straight flue
Property charcoal is mixed with flue gas, for adsorbing dioxin and heavy metal in flue gas；
D, by step C treated flue gas is passed through bag filter, bag filter in filtrate trapping flue gas using pressing from both sides
Miscellaneous particulate matter and active carbon；
E, by step D treated flue gas is passed through heat exchanger with by absorption plant, treated that purifying smoke is exchanging heat
Heat exchange is carried out in device；
F, by step E treated flue gas is passed through low-temperature plasma reaction unit, the reaction of low temperature plasma dress
It sets and promotes the pollutant in flue gas that redox reaction occurs for active particle needed for generating denitration desulfurization；
G, by step F treated flue gas is passed through absorption plant, absorption plant is anti-through low temperature plasma for trapping
The acidic materials and remaining noxious material in flue gas for answering device to handle, obtain purifying smoke；
H, by step G, treated that purifying smoke is passed through heat exchanger, the outlet after heating treatment.
The present invention is input in chilling tower by the flue gas for burning Cremation Machine, passes through the chilling spray system in chilling tower
Flue gas injection liquid into tower, thus quickly reduce tower in flue gas temperature and control dioxin low temperature synthesis；By
Chilling tower cooling treated flue gas enters Mars blocker, removes the comburant being mingled in flue gas, avoids its cloth bag of burning；Through
The flue gas for crossing Mars blocker mixes in flue with the active carbon that active carbon injection apparatus sprays, and adsorbs the huge sum of money in flue gas
The pollutants such as category, dioxin and furans；Then, by active carbon injection apparatus, treated that flue gas enters bag filter, into
The active carbon and imperfect combustion oil smoke of the particulate matter, penetrating that are mingled in one step removal flue gas；At bag filter
Flue gas after reason enters low-temperature plasma reaction unit after entering heat exchanger cooling, and reaction of low temperature plasma device is in plasma
Under the action of power supply, a large amount of high energy electron and active particle are generated, active particle converts the NO for being not easy to absorb in flue gas to
The NO easily absorbed by alkaline matter2、N2O5And HNO3, the SO of part2Also it is converted into H2SO4And other small molecule acid, dioxin
It is converted to chemical conversion CO2, the small molecules such as HCl；Through low-temperature plasma reaction unit, treated that flue gas enters absorption plant, absorbs
Device traps acidic materials and remaining Toxic in flue gas, the final deep purifying for realizing flue gas；Cigarette after deep purifying
Gas passes through chimney outlet after heat exchanger heats.
Optionally, the chilling spray system in step A in chilling tower is in 1.8s by Cremation Machine incineration flue gas greenhouse cooling
To 160-180 DEG C, the low temperature synthesis of dioxin while reducing flue-gas temperature, can be controlled.
Optionally, the speed that Cremation Machine incineration flue gas is passed through bag filter in step D is 0.8-1.0m/min, this sets
Setting enables bag filter quickly and adequately traps the particulate matter and active carbon being mingled in flue gas.
Optionally, Cremation Machine incineration flue gas stops in the exoelectrical reaction area in low-temperature plasma reaction unit in step F
Staying the time is 2.0-2.5s.
Optionally, the working frequency of the plasma power supply of low-temperature plasma reaction unit described in step F is 300-
500Hz；Operating voltage is 80-90kV.
Optionally, the alkaline solution that the spray head in step G in absorption plant sprays, pH control is in 7.0-7.5, alkalinity
Solution can be sodium hydroxide and sodium carbonate liquor.
The beneficial effects of the present invention are: the present invention is input in chilling tower by the flue gas for burning Cremation Machine, pass through urgency
Flue gas injection liquid of the chilling spray system into tower in cold tower, to quickly reduce the temperature of flue gas in tower and control two
Dislike the low temperature synthesis of English；Through over-quenching tower cooling treated flue gas enters Mars blocker, the burning being mingled in flue gas is removed
Object avoids its cloth bag of burning；Active carbon by flue gas and active carbon the injection apparatus injection of Mars blocker mixes in flue
It closes, adsorbs the pollutants such as heavy metal, dioxin and the furans in flue gas；Then, by active carbon injection apparatus treated cigarette
Gas enters bag filter, further removes the active carbon and imperfect combustion oil of the particulate matter, penetrating that are mingled in flue gas
Cigarette；Enter low-temperature plasma reaction unit after bag filter treated flue gas enters heat exchanger cooling, low temperature etc. from
Daughter reaction unit generates a large amount of high energy electron and active particle under the action of plasma power supply, and active particle is by flue gas
In the NO that is not easy to absorb be converted into the NO easily absorbed by alkaline matter2、N2O5And HNO3, the SO of part2Also it is converted into H2SO4
And other small molecule acid, dioxin are converted to chemical conversion CO2, the small molecules such as HCl；Through low-temperature plasma reaction unit, treated
Flue gas enters absorption plant, and absorption plant traps acidic materials and remaining Toxic in flue gas, the final depth for realizing flue gas
Degree purification；Flue gas after deep purifying passes through chimney outlet after heat exchanger heats.It can be seen that processing unit energy of the invention
Enough realize complicated composition, and containing foul gas, sulfide, nitrogen oxides, dioxin compared with multi-pollutant Cremation Machine incineration flue gas
Deep purifying, realize Cremation Machine incineration flue gas minimum discharge；Meanwhile the processing unit is simple with structure, investment, equipment
The advantages that operation and system maintenance cost are lower.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the processing device embodiment 1 of Cremation Machine incineration flue gas of the invention；
Fig. 2 is the structural schematic diagram of the processing device embodiment 2 of Cremation Machine incineration flue gas of the invention；
Fig. 3 is the structural representation of uniform board in the entrance of chilling tower in the processing unit of Cremation Machine incineration flue gas of the invention
Figure.
Each appended drawing reference in figure are as follows:
1, chilling tower；2, chilling spray system；3, the entrance of chilling tower；4, Mars blocker；5, active carbon injection dress
It sets；6, bag filter；7, apparatus for ash is received；8, heat exchanger；9, low-temperature plasma reaction unit；10, absorption plant；11, air inducing
Machine；12, plasma power supply；13, elevator pump；14, chimney；15, straight flue；16, uniform board；17, smoke inlet；18, flue gas
Outlet；19, ash discharging hole；20, hot gas inlet；21, heat outlet；22, cold air inlet；23, cold air outlet；24, pipeline；25, it removes
Mist layer；26, water absorption layer；27, spraying layer；28, packing layer；29, return pipe；30, waste liquid outlet；31, flue collector.
Specific embodiment:
Below with reference to each attached drawing, the present invention will be described in detail.
Embodiment 1
Please refer to shown in Fig. 1: the present invention provides a kind of processing unit of Cremation Machine incineration flue gas,
A kind of processing unit of Cremation Machine incineration flue gas, comprising:
Chilling tower 1 has entrance and exit (not shown), after the entrance 3 of chilling tower is for receiving Cremation Machine burning
Flue gas；
Mars blocker 4, has entrance and exit (not shown), and the entrance of Mars blocker 4 passes through flue and urgency
The outlet of cold tower 1 communicates, and Mars blocker 4 is used to trap the comburant through being mingled in treated the flue gas of over-quenching tower 1；
Bag filter 6, has smoke inlet 17, exhanst gas outlet 18 and ash discharging hole 19, and smoke inlet 17 passes through straight cigarette
Road 15 is communicated with the outlet of Mars blocker 4；Active carbon injection apparatus 5 is equipped between bag filter 6 and Mars blocker 4,
Active carbon injection apparatus 5 is communicated by jet pipe (not shown) with straight flue 15, and active carbon injection apparatus 5 is for adsorbing warp
Dioxin and heavy metal in treated the flue gas of Mars blocker 4；
Heat exchanger 8 has hot gas inlet 20, heat outlet 21, cold air inlet 22 and cold air outlet 23, the heat exchanger
Hot gas inlet 20 communicated with the exhanst gas outlet 18 of bag filter 6 by flue；The cold air outlet 23 of the heat exchanger passes through
Flue is connect with chimney 14；
Absorption plant 10 has the outlet (not shown) positioned at the entrance of lower end and positioned at upper end, absorption plant 10
Entrance communicated with the heat outlet 21 of heat exchanger by flue collector 31, the outlet of absorption plant 10 passes through flue and heat exchanger
Cold air inlet 22 communicates；The acidic materials and remnants that absorption plant is used to trap by heat exchanger treated flue gas are toxic
Substance.
The present invention is input in chilling tower 1 by the flue gas for burning Cremation Machine by the entrance 3 of chilling tower, and chilling is passed through
Flue gas injection liquid of the chilling spray system 2 into tower in tower 1, to quickly reduce the temperature of flue gas in tower and control two
Dislike the low temperature synthesis of English；Through over-quenching tower cooling treated flue gas enters Mars blocker 4, the burning being mingled in flue gas is removed
Object avoids its cloth bag of burning；The active carbon sprayed by the flue gas and active carbon injection apparatus 5 of Mars blocker 4 is in flue
The pollutants such as heavy metal, dioxin and the furans in flue gas are adsorbed in mixing；Then, by active carbon injection apparatus 5, treated
Flue gas enters bag filter, further removes the particulate matter being mingled in flue gas, the active carbon of penetrating and imperfect combustion
Oil smoke；By bag filter 6, treated that flue gas enters enters absorption plant 10 after heat exchanger 8 cools down, and absorption plant 10 is caught
Collect the acidic materials and remaining Toxic in flue gas, the final deep purifying for realizing flue gas；Flue gas after deep purifying is through changing
Hot device 8 passes through 14 outlet of chimney after heating.
It can be seen that processing unit of the invention can be realized complicated composition, and contain foul gas, sulfide, nitrogen oxidation
Object, dioxin realize the minimum discharge of Cremation Machine incineration flue gas compared with the deep purifying of the Cremation Machine incineration flue gas of multi-pollutant；Together
When, which has many advantages, such as that simple structure, investment, equipment operation and system maintenance cost are lower.
In this present embodiment, chilling spray system 2 is equipped in chilling tower 1, chilling spray system 2 is into entrance chilling tower 1
Flue gas injection liquid, for quickly reduce the temperature of flue gas and control dioxin low temperature synthesis.
In this present embodiment, the lower end of absorption plant 10 is additionally provided with waste liquid outlet 30, and waste liquid outlet 30 passes through return pipe 29
It is communicated with chilling spray system, return pipe 29 is equipped with elevator pump 13, and elevator pump 13 is for transport portion waste liquid to chilling tower
It is interior, the waste liquid be in absorption plant 10 with the spray liquid after smoke reaction；The setting takes full advantage of in absorption plant
Spray liquid realizes the recycling of spray liquid, has saved cost.
In other embodiments, chilling spray system may include liquid reserve tank and pump, by pumping the liquid in liquid reserve tank
In injection to chilling tower.
As shown in figure 3, in this present embodiment, being provided with uniform board 16 in the entrance 3 of chilling tower, it is ensured that flue gas heat-exchange unit dress
The airflow uniform distribution coefficient of reacting body is set less than 0.20.
In this present embodiment, further include receiving apparatus for ash 7, be connected by pipeline 24 with the ash discharging hole 19 of bag filter 6,
For collecting the bottom ash of ash discharging hole discharge, convenient for the centralized processing of dust.
In this present embodiment, the air-introduced machine 11 connecting with cold air outlet 23 is equipped with after heat exchanger 8, air-introduced machine 11 is for conveying
The resistance that flue gas to chimney 14, air-introduced machine 11 is used to that whole system to be overcome to generate, realizes the abundant discharge of purifying smoke, entire to be
System refers to chilling tower, Mars blocker, bag filter, low-temperature plasma reaction unit, heat exchanger and absorption plant composition
System.
In this present embodiment, for the cold air inlet 22 of heat exchanger 8 close to the heat outlet 21 of heat exchanger, cold air outlet 23 is close
Hot gas inlet 20, heat exchanger rationally utilize bag filter treated the high-temperature flue gas of flue gas to the smoke-purifying before last discharge
Gas is heated, and is reached rationally using resource, is reduced the purpose of energy consumption.
In this present embodiment, the cloth bag material of bag filter 6 is PTFE, the material high temperature resistant, antiacid alkali, oil rub resistance energy
Acidic materials and incinerated matter in enough flue gases of trapping well etc., further enhance the service life of cloth bag.
In this present embodiment, the speed that Cremation Machine incineration flue gas passes through bag filter 6 is 0.8-1.0 m/min.
When practice, bag filter 6 is to be filtered using the filtration of fabric to dusty gas, when containing
After dust and gas body enters sack cleaner, particle is big, heavy dust falls into ash bucket, contain since the effect of gravity settles down
There is the gas of relatively fine dust when passing through filtrate, dust is purified flue gas by detention.
In this present embodiment, absorption plant 10 includes packing layer 28, the spraying layer 27, water absorption layer set gradually from top to bottom
26 and demisting layer 25, spraying layer 27 aspirates lye by circulating pump by spray system (omit in figure and do not draw) and passes through spray head (figure
In be not shown) downwards spray.Entered by treated the flue gas of heat exchanger 8 by the entrance of absorption plant 10, passes through and absorb dress
The packing layer 28 for setting lower part enters spraying layer 27, gas liquid reaction occurs with lye between packing layer 28 and spraying layer 27, into one
Step removing sour gas and solid dirt particle.At this point, the bottom of absorption plant can be settled down to the spray liquid after smoke reaction,
Part spray liquid is transported through return pipe to chilling tower under the action of elevator pump, for spraying the flue gas in chilling tower.It absorbs
The water absorption layer 26 on device top reduces the temperature of flue gas, top setting removes for promoting flue gas inner water droplets to be condensed back
Mist layer 25 can remove droplet, reduce the water content in flue gas.Packing layer is arranged to add to hole, increase in absorption plant
Residence time of the spray liquid in absorption tower and the amount of arrheaing, shunt gas, while increasing gas liquid interfacial area.
In this present embodiment, heating treatment is carried out in the flue gas inflow heat exchanger 8 after 10 deep purifying of absorption plant,
High-temperature flue gas in heat exchanger 8 with outflow bag filter 6 carries out heat exchange, reduces the energy consumption of heat exchanger, reduces simultaneously
The generation of chimney breast white smoke.
Embodiment 2
As shown in Fig. 2, compared with Example 1, the processing unit of Cremation Machine incineration flue gas further includes low-temperature plasma reaction
Device 9, low-temperature plasma reaction unit 9 are set between heat exchanger 8 and absorption plant 10, and low-temperature plasma reaction unit 9 has
Entrance and exit (not shown), the entrance of low-temperature plasma reaction unit 9 pass through the heat outlet 21 of flue and heat exchanger
It communicates；Low-temperature plasma reaction unit 9 promotes the cigarette handled by heat exchanger for active particle needed for generating denitration desulfurization
Redox reaction occurs for the pollutant in gas.
In other embodiments, low-temperature plasma reaction unit can be replaced ozone generator, the ozone generator tool
There is entrance and exit, the entrance of the ozone generator is connected by connecting tube with the gas vent of oxygen cylinder；The ozone hair
The outlet of raw device is communicated by flue with flue collector 31, for providing suitable ozone into flue collector to aoxidize organic contamination
Object.
The present invention is input in chilling tower 1 by the flue gas for burning Cremation Machine by the entrance 3 of chilling tower, and chilling is passed through
Flue gas injection liquid of the chilling spray system 2 into tower in tower 1, to quickly reduce the temperature of flue gas in tower and control two
Dislike the low temperature synthesis of English；Through over-quenching tower cooling treated flue gas enters Mars blocker 4, the burning being mingled in flue gas is removed
Object avoids its cloth bag of burning；The active carbon sprayed by the flue gas and active carbon injection apparatus 5 of Mars blocker 4 is in flue
The pollutants such as heavy metal, dioxin and the furans in flue gas are adsorbed in mixing；Then, by active carbon injection apparatus 5, treated
Flue gas enters bag filter, further removes the particulate matter being mingled in flue gas, the active carbon of penetrating and imperfect combustion
Oil smoke；By bag filter 6, treated that flue gas enters enters low-temperature plasma reaction unit 9, low temperature after heat exchanger 8 cools down
Plasma reaction device 9 generates a large amount of high energy electron and active particle, active grain under the action of plasma power supply 12
Son converts the NO for being not easy to absorb in flue gas to the NO easily absorbed by alkaline matter2、N2O5And HNO3, the SO of part2Also it is converted
For H2SO4And other small molecule acid, dioxin are converted to chemical conversion CO2, the small molecules such as HCl；Through low-temperature plasma reaction unit 9
Treated, and flue gas enters absorption plant 10, and absorption plant 10 traps acidic materials and remaining Toxic in flue gas, finally
Realize the deep purifying of flue gas；Flue gas after deep purifying passes through 14 outlet of chimney after the heating of heat exchanger 8.
It can be seen that processing unit of the invention can be realized complicated composition, and contain foul gas, sulfide, nitrogen oxidation
Object, dioxin realize the minimum discharge of Cremation Machine incineration flue gas compared with the deep purifying of the Cremation Machine incineration flue gas of multi-pollutant；Together
When, which has many advantages, such as that simple structure, investment, equipment operation and system maintenance cost are lower.
In this present embodiment, chilling spray system 2 is equipped in chilling tower 1, chilling spray system 2 is into entrance chilling tower 1
Flue gas injection liquid, for quickly reduce the temperature of flue gas and control dioxin low temperature synthesis.
In this present embodiment, the lower end of absorption plant 10 is additionally provided with waste liquid outlet 30, and waste liquid outlet 30 passes through return pipe 29
It is communicated with chilling spray system, return pipe 29 is equipped with elevator pump 13, and elevator pump 13 is for transport portion waste liquid to chilling tower
It is interior, the waste liquid be in absorption plant 10 with the spray liquid after smoke reaction；The setting takes full advantage of in absorption plant
Spray liquid realizes the recycling of spray liquid, has saved cost.
In other embodiments, chilling spray system may include liquid reserve tank and pump, by pumping the liquid in liquid reserve tank
In injection to chilling tower.
As shown in figure 3, in this present embodiment, being provided with uniform board 16 in the entrance 3 of chilling tower, it is ensured that flue gas heat-exchange unit dress
The airflow uniform distribution coefficient of reacting body is set less than 0.20.
In this present embodiment, further include receiving apparatus for ash 7, be connected by pipeline 24 with the ash discharging hole 19 of bag filter 6,
For collecting the bottom ash of ash discharging hole discharge, convenient for the centralized processing of dust.
In this present embodiment, the air-introduced machine 11 connecting with cold air outlet 23 is equipped with after heat exchanger 8, air-introduced machine 11 is for conveying
The resistance that flue gas to chimney 14, air-introduced machine 11 is used to that whole system to be overcome to generate, realizes the abundant discharge of purifying smoke, entire to be
System refers to chilling tower, Mars blocker, bag filter, low-temperature plasma reaction unit, heat exchanger and absorption plant composition
System.
In this present embodiment, for the cold air inlet 22 of heat exchanger 8 close to the heat outlet 21 of heat exchanger, cold air outlet 23 is close
Hot gas inlet 20, heat exchanger rationally utilize bag filter treated the high-temperature flue gas of flue gas to the smoke-purifying before last discharge
Gas is heated, and is reached rationally using resource, is reduced the purpose of energy consumption.
In this present embodiment, the top of low-temperature plasma reaction unit 9 is equipped with plasma power supply 12, and low temperature plasma is anti-
Answer device 9 under the action of plasma power supply 12, generate a large amount of high energy electron and active particle, active particle by flue gas not
The NO easily absorbed is converted into the NO easily absorbed by alkaline matter2、N2O5And HNO3, the SO of part2Also it is converted into H2SO4And it is other
Small molecule acid, dioxin are converted to chemical conversion CO2, the small molecules such as HCl；The working frequency of plasma power supply is 300-500Hz,
Operating voltage is 80-90kV.
In practice, the working frequency of plasma power supply 12 is preferably 400Hz；The operating voltage of plasma power supply 12
Preferably 85kV.
In practice, low-temperature plasma reaction unit 9 can by adjust plasma discharge reaction unit quantity,
Adjust the residence time of delaying, it is ensured that stop of the Cremation Machine incineration flue gas in 9 exoelectrical reaction area of reaction of low temperature plasma device
Selection of time 2.0-3.0s, further preferred residence time are 2.0-2.5s.
In this present embodiment, reaction of low temperature plasma device 9 is arranged after bag filter 6 and heat exchanger 8, this sets
The influence that can exclude to greatest extent flue gas particles to exoelectrical reaction is set, while flue-gas temperature is effectively down to plasma
The optimum temperature of body processing, further improves system to the removal efficiency of pollutant.
In this present embodiment, the cloth bag material of bag filter 6 is PTFE, the material high temperature resistant, antiacid alkali, oil rub resistance energy
Acidic materials and incinerated matter in enough flue gases of trapping well etc., further enhance the service life of cloth bag.
In this present embodiment, the speed that Cremation Machine incineration flue gas passes through bag filter 6 is 0.8-1.0 m/min.
When practice, bag filter 6 is to be filtered using the filtration of fabric to dusty gas, when containing
After dust and gas body enters sack cleaner, particle is big, heavy dust falls into ash bucket, contain since the effect of gravity settles down
There is the gas of relatively fine dust when passing through filtrate, dust is purified flue gas by detention.
In this present embodiment, absorption plant 10 includes packing layer 28, the spraying layer 27, water absorption layer set gradually from top to bottom
26 and demisting layer 25, spraying layer 27 aspirates lye by circulating pump by spray system (omit in figure and do not draw) and passes through spray head (figure
In be not shown) downwards spray.By treated the flue gas of low-temperature plasma reaction unit 9 by the entrance of absorption plant 10 into
Enter, spraying layer 27 is entered by the packing layer 28 of absorption plant lower part, is occurred between packing layer 28 and spraying layer 27 with lye
Gas liquid reaction further removes sour gas and solid dirt particle.At this point, suction can be settled down to the spray liquid after smoke reaction
The bottom of receiving apparatus, part spray liquid are transported through return pipe to chilling tower under the action of elevator pump, for spraying chilling tower
Interior flue gas.The water absorption layer 26 on absorption plant top is used to that flue gas inner water droplets to be promoted to be condensed back, and reduces the temperature of flue gas,
The demisting layer 25 of top setting can remove droplet, reduce the water content in flue gas.The setting of packing layer is used in absorption plant
In increasing hole, increase residence time and arrhea amount of the spray liquid in absorption tower, shunt gas, while increasing gas-liquid contact face
Product.
In this present embodiment, heating treatment is carried out in the flue gas inflow heat exchanger 8 after 10 deep purifying of absorption plant,
High-temperature flue gas in heat exchanger 8 with outflow bag filter 6 carries out heat exchange, reduces the energy consumption of heat exchanger, reduces simultaneously
The generation of chimney breast white smoke.
A kind of processing method of Cremation Machine incineration flue gas is additionally provided in the present embodiment, is filled using the processing of the present embodiment 2
It sets and is implemented, comprising the following steps:
A, Cremation Machine incineration flue gas is delivered to chilling tower to handle, the chilling tower is for quickly reducing flue-gas temperature
And control the low temperature synthesis of dioxin；
B, the flue gas after processing of step A is passed through Mars blocker, and Mars blocker is used to trap the burning in flue gas
Object；
C, by step B, treated that flue gas is passed through straight flue, and active carbon injection apparatus sprays work into straight flue
Property charcoal is mixed with flue gas, for adsorbing dioxin and heavy metal in flue gas；
D, by step C treated flue gas is passed through bag filter, bag filter in filtrate trapping flue gas using pressing from both sides
Miscellaneous particulate matter and active carbon；
E, by step D treated flue gas is passed through heat exchanger with by absorption plant, treated that purifying smoke is exchanging heat
Heat exchange is carried out in device；
F, by step E treated flue gas is passed through low-temperature plasma reaction unit, reaction of low temperature plasma device is used
The active particle needed for generating denitration desulfurization promotes the pollutant in flue gas that redox reaction occurs；
G, by step F treated flue gas is passed through absorption plant, absorption plant is anti-through low temperature plasma for trapping
The acidic materials and remaining noxious material in flue gas for answering device to handle, obtain purifying smoke；
H, by step G, treated that purifying smoke is passed through heat exchanger, the outlet after heating treatment.
The present invention is input in chilling tower by the flue gas for burning Cremation Machine, passes through the chilling spray system in chilling tower
Flue gas injection liquid into tower, thus quickly reduce tower in flue gas temperature and control dioxin low temperature synthesis；By
Chilling tower cooling treated flue gas enters Mars blocker, removes the comburant being mingled in flue gas, avoids its cloth bag of burning；Through
The flue gas for crossing Mars blocker mixes in flue with the active carbon that active carbon injection apparatus sprays, and adsorbs the huge sum of money in flue gas
The pollutants such as category, dioxin and furans；Then, by active carbon injection apparatus, treated that flue gas enters bag filter, into
The active carbon and imperfect combustion oil smoke of the particulate matter, penetrating that are mingled in one step removal flue gas；At bag filter
Flue gas after reason enters low-temperature plasma reaction unit after entering heat exchanger cooling, and reaction of low temperature plasma device is in plasma
Under the action of power supply, a large amount of high energy electron and active particle are generated, active particle converts the NO for being not easy to absorb in flue gas to
The NO easily absorbed by alkaline matter2、N2O5And HNO3, the SO of part2Also it is converted into H2SO4And other small molecule acid, dioxin
It is converted to chemical conversion CO2, the small molecules such as HCl；Through low-temperature plasma reaction unit, treated that flue gas enters absorption plant, absorbs
Device traps acidic materials and remaining Toxic in flue gas, the final deep purifying for realizing flue gas；Cigarette after deep purifying
Gas passes through chimney outlet after heat exchanger heats.It can be seen that processing unit of the invention can be realized complicated composition, and containing evil
Odour, sulfide, nitrogen oxides, dioxin realize Cremation Machine compared with the deep purifying of the Cremation Machine incineration flue gas of multi-pollutant
The minimum discharge of incineration flue gas；Meanwhile the processing unit have structure simple, investment, equipment operation and system maintenance cost compared with
Low advantage.
In this present embodiment, the chilling spray system in step A in chilling tower is in 1.8s by Cremation Machine incineration flue gas temperature
Degree is cooled to 160-180 DEG C, while reducing flue-gas temperature, can control the low temperature synthesis of dioxin.
In this present embodiment, the speed that Cremation Machine incineration flue gas is passed through bag filter in step D is 0.8-1.0m/
Min, the setting enable bag filter quickly and adequately trap the particulate matter and active carbon being mingled in flue gas.
In this present embodiment, exoelectrical reaction area of the Cremation Machine incineration flue gas in low-temperature plasma reaction unit in step F
In residence time be 2.0-2.5s.
In this present embodiment, the working frequency of the plasma power supply of low-temperature plasma reaction unit is 300- in step F
500Hz；Operating voltage is 80-90kV.
In this present embodiment, the alkaline solution that the spray head in step G in absorption plant sprays, pH are controlled in 7.0-
7.5, alkaline solution can be sodium hydroxide and sodium carbonate liquor.
In order to better illustrate processing unit of the present invention to the treatment effect of Cremation Machine incineration flue gas, especially this hair
The working frequency, operating voltage and bag-type dust of plasma power supply different in low-temperature plasma reaction unit in bright processing unit
Influence of the different cloth bag filtering velocitys to the treatment effect of Cremation Machine incineration flue gas in device.The present invention takes one, certain funeral parlor Cremation Machine
For incineration flue gas as implementation, the flue gas numerical value of embodiment 3-6 is the Gas Parameters after chilling tower, exhaust gas volumn 5000m3/ h,
Oxygen content 14-18%, moisture content 15-20%, odour concentration 5600, SO2Mean value concentration 60mg/Nm3, NOxMean value concentration
120mg/Nm3, flue dust mean value 160mg/Nm3, dioxin mean value 2.0ng TEQ/Nm3, 172 DEG C of flue-gas temperature, meanwhile, it is all made of
The processing unit of the embodiment of the present invention 2 is handled.
Embodiment 3
Take one, certain funeral parlor Cremation Machine incineration flue gas as implementation, flue gas numerical value is the Gas Parameters after chilling tower,
Exhaust gas volumn is 5000m3/ h, oxygen content 14-18%, moisture content 15-20%, odour concentration 5600, SO2Mean value concentration 60mg/Nm3,
NOxMean value concentration 120mg/Nm3, flue dust mean value 160mg/Nm3, dioxin mean value 2.0ng TEQ/Nm3, 172 DEG C of flue-gas temperature,
It is handled using the processing unit of such as above-mentioned Cremation Machine incineration flue gas, wherein selecting in reaction of low temperature plasma device
The working frequency and operating voltage of plasma power supply are zero.
Specific processing step is as follows: the flue gas that above-mentioned Cremation Machine is burned being delivered in chilling tower by entrance, passes through chilling
Flue gas injection liquid of the chilling spray system into tower in tower, to quickly reduce the temperature of flue gas in tower and control two evils
The low temperature of English synthesizes；Through over-quenching tower cooling treated flue gas enters Mars blocker, the comburant being mingled in flue gas is removed,
Avoid its cloth bag of burning；It is mixed in flue by the flue gas of Mars blocker with the active carbon that active carbon injection apparatus sprays,
Adsorb the pollutants such as heavy metal, dioxin and the furans in flue gas；Then, by active carbon injection apparatus treated flue gas into
Enter bag filter, further removes the small particle and imperfect combustion oil smoke being mingled in flue gas；By bag filter
Enter low-temperature plasma reaction unit after flue gas enters heat exchanger cooling that treated, reaction of low temperature plasma device wait from
Under the action of sub- power supply, a large amount of high energy electron and active particle are generated, active particle will be not easy the NO absorbed conversion in flue gas
For the NO easily absorbed by alkaline matter2、N2O5And HNO3, the SO of part2Also it is converted into H2SO4And other small molecule acid, two dislike
English is converted to chemical conversion CO2, the small molecules such as HCl；Through low-temperature plasma reaction unit, treated that flue gas enters absorption plant, inhales
Receiving apparatus traps acidic materials and remaining Toxic in flue gas, the final deep purifying for realizing flue gas；After deep purifying
Flue gas passes through chimney outlet after heat exchanger heats.
Embodiment 4
Take one, certain funeral parlor Cremation Machine incineration flue gas as implementation, flue gas numerical value is the Gas Parameters after chilling tower,
Exhaust gas volumn is 5000m3/ h, oxygen content 14-18%, moisture content 15-20%, odour concentration 5600, SO2Mean value concentration 60mg/Nm3,
NOxMean value concentration 120mg/Nm3, flue dust mean value 160mg/Nm3, dioxin mean value 2.0ng TEQ/Nm3, 172 DEG C of flue-gas temperature,
It is handled using the processing unit of such as above-mentioned Cremation Machine incineration flue gas, wherein selecting in reaction of low temperature plasma device
The working frequency 300Hz of plasma power supply, cloth bag filtering velocity are 1.0m/min, and operating voltage is respectively 80kV, 85kV, 90kV.
Embodiment 5
Take one, certain funeral parlor Cremation Machine incineration flue gas as implementation, flue gas numerical value is the Gas Parameters after chilling tower,
Exhaust gas volumn is 5000m3/ h, oxygen content 14-18%, moisture content 15-20%, odour concentration 5600, SO2Mean value concentration 60mg/Nm3,
NOxMean value concentration 120mg/Nm3, flue dust mean value 160mg/Nm3, dioxin mean value 2.0ng TEQ/Nm3, 172 DEG C of flue-gas temperature,
It is handled using the processing unit of such as above-mentioned Cremation Machine incineration flue gas, wherein selecting in reaction of low temperature plasma device
The working frequency 400Hz of plasma power supply, cloth bag filtering velocity are 0.8m/min, and operating voltage is respectively 80kV, 85kV, 90kV.
Embodiment 6
Take one, certain funeral parlor Cremation Machine incineration flue gas as implementation, flue gas numerical value is the Gas Parameters after chilling tower,
Exhaust gas volumn is 5000m3/ h, oxygen content 14-18%, moisture content 15-20%, odour concentration 5600, SO2Mean value concentration 60mg/Nm3,
NOxMean value concentration 120mg/Nm3, flue dust mean value 160mg/Nm3, dioxin mean value 2.0ng TEQ/Nm3, 172 DEG C of flue-gas temperature,
It is handled using the processing unit of such as above-mentioned Cremation Machine incineration flue gas, wherein selecting in reaction of low temperature plasma device
The working frequency 500Hz of plasma power supply, cloth bag filtering velocity are 0.8m/min, and operating voltage is respectively 80kV, 85kV, 90kV.
Different parameters are to fume treatment effect table in 1 embodiment of table
By data in embodiment 3-6 and table it is found that the operating condition of plasma power supply directly affects cremate in the present invention
The treatment effect of machine incineration flue gas, the restriction of the working frequency and operating voltage of plasma power supply, which directly reduces, to be finally discharged
SO in flue gas2、NOx, the concentration of dioxin and the degree of stench, especially plasma power supply working frequency be 400Hz, work
When to make voltage be 85kV, the amplitude that the concentration of above-mentioned pollutant reduces is maximum.It can be seen that processing unit of the invention pass through by
The combination of traditional handicraft and plasma not only extends the process range and treatment effeciency of flue gas, is capable of handling traditional work
Complicated composition that skill system can not be handled and the flue gas more containing foul gas, sulfide, nitrogen oxides, dioxin.
The above description is only a preferred embodiment of the present invention, not thereby limits scope of patent protection of the invention, all
It is directly or indirectly to be used in other relevant technologies with equivalent structure transformation made by description of the invention and accompanying drawing content
Field similarly includes within the scope of the present invention.
Claims (10)
1. a kind of processing unit of Cremation Machine incineration flue gas characterized by comprising
Chilling tower, has entrance and exit, and the entrance of the chilling tower is used to receive the flue gas after Cremation Machine is burned；
Mars blocker, has entrance and exit, and the entrance of the Mars blocker passes through the outlet of flue and the chilling tower
It communicates, the Mars blocker is used to trap the comburant through being mingled in over-quenching tower treated flue gas；
Bag filter, has smoke inlet, exhanst gas outlet and ash discharging hole, and the smoke inlet passes through straight flue and the fire
The outlet of star blocker communicates；Active carbon injection apparatus is equipped between the bag filter and the Mars blocker, it is described
Active carbon injection apparatus is communicated by jet pipe with straight flue, and the active carbon injection apparatus is for adsorbing at through Mars blocker
The dioxin and heavy metal in flue gas after reason；
Heat exchanger, has hot gas inlet, heat outlet, cold air inlet and cold air outlet, and the hot gas inlet of the heat exchanger passes through
Flue is communicated with the exhanst gas outlet of the bag filter；The cold air outlet of the heat exchanger is connect by flue with chimney；
Absorption plant, has the outlet positioned at the entrance of lower end and positioned at upper end, and the entrance of the absorption plant passes through flue collector
It is communicated with the heat outlet of the heat exchanger, the outlet of the absorption plant passes through the cold air inlet phase of flue and the heat exchanger
It is logical；The acidic materials and remnants noxious material that the absorption plant is used to trap by heat exchanger treated flue gas.
2. the processing unit of Cremation Machine incineration flue gas as described in claim 1, which is characterized in that the processing unit further includes low
Warm plasma reaction device, the low-temperature plasma reaction unit is set between the heat exchanger and the absorption plant, described
Low-temperature plasma reaction unit has entrance and exit, and the entrance of the low-temperature plasma reaction unit is changed by flue with described
The heat outlet of hot device communicates；The outlet of the low-temperature plasma reaction unit passes through the entrance phase of flue and the absorption plant
It is logical；The low-temperature plasma reaction unit promotes for active particle needed for generating denitration desulfurization by heat exchanger processing
Redox reaction occurs for the pollutant in flue gas.
3. the processing unit of Cremation Machine incineration flue gas as claimed in claim 2, which is characterized in that be equipped in the chilling tower anxious
Cold water spray system, the chilling spray system is to the flue gas injection liquid entered in the chilling tower, for quickly reducing flue gas
Temperature and control dioxin low temperature synthesis.
4. the processing unit of Cremation Machine incineration flue gas as claimed in claim 3, which is characterized in that the lower end of the absorption plant
It is additionally provided with waste liquid outlet, the waste liquid outlet is communicated by return pipe with the chilling spray system, and the return pipe is equipped with
Elevator pump, the elevator pump is in transport portion waste liquid to chilling tower.
5. the processing unit of Cremation Machine incineration flue gas as claimed in claim 2, which is characterized in that further include receiving apparatus for ash, lead to
Piping is connected with the ash discharging hole of the bag filter, for collecting the bottom ash of ash discharging hole discharge；It is set after the heat exchanger
There is the air-introduced machine connecting with the cold air outlet of heat exchanger, the air-introduced machine is for conveying flue gas to the chimney.
6. the processing unit of Cremation Machine incineration flue gas as described in claim 1, which is characterized in that the processing unit further includes smelly
Oxygen Generator, the ozone generator have entrance and exit, and the entrance of the ozone generator passes through connecting tube and oxygen cylinder
Gas vent be connected；The outlet of the ozone generator is communicated by flue with flue collector, suitable for providing into flue collector
The ozone of amount is to aoxidize organic pollutant.
7. a kind of processing method of Cremation Machine incineration flue gas, which is characterized in that using described in claim 2~5 any one
The processing unit of Cremation Machine incineration flue gas is implemented, the processing method, comprising the following steps:
A, Cremation Machine incineration flue gas chilling tower is delivered to handle, the chilling tower for quickly reduce flue-gas temperature and
Control the low temperature synthesis of dioxin；
B, the flue gas after processing of step A is passed through Mars blocker, and the Mars blocker is used to trap the burning in flue gas
Object；
C, by step B, treated that flue gas is passed through straight flue, and active carbon injection apparatus sprays active carbon into straight flue
It is mixed with flue gas, for adsorbing dioxin and heavy metal in flue gas；
D, by step C treated flue gas is passed through bag filter, bag filter in filtrate trapping flue gas using being mingled with
Particulate matter and active carbon；
E, by step D treated flue gas is passed through heat exchanger and by absorption plant treated purifying smoke in heat exchanger
Carry out heat exchange；
F, by step E treated flue gas is passed through low-temperature plasma reaction unit, the reaction of low temperature plasma device is used
The active particle needed for generating denitration desulfurization promotes the pollutant in flue gas that redox reaction occurs；
G, by step F treated flue gas is passed through absorption plant, absorption plant is filled for trapping through reaction of low temperature plasma
The acidic materials and remaining noxious material in the flue gas of processing are set, purifying smoke is obtained；
H, by step G, treated that purifying smoke is passed through heat exchanger, the outlet after heating treatment.
8. the processing method of Cremation Machine incineration flue gas as claimed in claim 7, which is characterized in that in step A in chilling tower
Chilling spray system is in 1.8s by Cremation Machine incineration flue gas greenhouse cooling to 160-180 DEG C.
9. the processing method of Cremation Machine incineration flue gas as claimed in claim 7, which is characterized in that Cremation Machine is burned in step D
The speed that flue gas is passed through bag filter is 0.8-1.0m/min.
10. the processing method of Cremation Machine incineration flue gas as claimed in claim 7, which is characterized in that Cremation Machine is burned in step F
Residence time of the flue gas in the exoelectrical reaction area in low-temperature plasma reaction unit is 2.0-2.5s；The low-temperature plasma is anti-
The working frequency for answering the plasma power supply of device is 300-500Hz；Operating voltage is 80-90kV.
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| CN111530216A (en) * | 2020-06-12 | 2020-08-14 | 中冶赛迪技术研究中心有限公司 | Flue gas quenching and dust removing device for inhibiting dioxin regeneration and control method |
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| CN112588030A (en) * | 2020-12-27 | 2021-04-02 | 太仓市兴益机电设备制造有限公司 | Flue gas multistage purification and waste heat utilization system for biomass burner |
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