CN106861415A - Flue gas purification system and method - Google Patents
Flue gas purification system and method Download PDFInfo
- Publication number
- CN106861415A CN106861415A CN201710261447.8A CN201710261447A CN106861415A CN 106861415 A CN106861415 A CN 106861415A CN 201710261447 A CN201710261447 A CN 201710261447A CN 106861415 A CN106861415 A CN 106861415A
- Authority
- CN
- China
- Prior art keywords
- dry type
- activated carbon
- flue gas
- dust
- flue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000003546 flue gas Substances 0.000 title claims abstract description 63
- 238000000746 purification Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 117
- 239000000428 dust Substances 0.000 claims abstract description 64
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 63
- 235000017557 sodium bicarbonate Nutrition 0.000 claims abstract description 31
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 29
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 27
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 27
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 27
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 239000003500 flue dust Substances 0.000 claims description 25
- 238000000926 separation method Methods 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000010410 dusting Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 238000004056 waste incineration Methods 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 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 description 2
- 101000606535 Homo sapiens Receptor-type tyrosine-protein phosphatase epsilon Proteins 0.000 description 2
- 229920000784 Nomex Polymers 0.000 description 2
- 102100039665 Receptor-type tyrosine-protein phosphatase epsilon Human genes 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004763 nomex Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000002699 waste material 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
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving reactants
-
- 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
- B01D53/10—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 with dispersed adsorbents
-
- 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
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/606—Carbonates
-
- 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
-
- 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
- B01D2257/204—Inorganic halogen compounds
- B01D2257/2045—Hydrochloric acid
-
- 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
- B01D2257/204—Inorganic halogen compounds
- B01D2257/2047—Hydrofluoric acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
Abstract
The invention discloses a kind of flue gas purification system and method, the flue gas purification system, including：Smoke inlet pipe road；First dry type deacidifying device, air inlet connection smoke inlet pipe road；Calcium hydroxide jetting device, it is connected with the first dry type deacidifying device；First activated carbon jetting device, it is connected with the first dry type deacidifying device；First dust arrester, its entrance connects the outlet of the first dry type deacidifying device by pipeline；Second dry type deacidifying device, its air inlet connects the gas vent of the first dust arrester by pipeline；Sodium bicarbonate jetting device, it is connected with the second dry type deacidifying device；Second activated carbon jetting device, it is connected with the second dry type deacidifying device；Second dust arrester, its entrance connects the outlet of the second dry type deacidifying device by pipeline；Air-introduced machine, the gas vent of its second dust arrester of connection.
Description
Technical field
The invention belongs to smoke gas treatment field, and in particular to a kind of flue gas purification system, espespecially produced after dangerous waste incineration
The cleaning system of raw flue gas.
Background technology
Contaminant component (such as HCl, HF, SO after dangerous waste incineration treatment in produced flue gas containing large amount of complex2
Deng), dust, the pollutant such as heavy metal and bioxin need to carry out just draining into air after purified treatment is up to standard.With country
Environmental issue was more paid attention to originally, the discharge standard for flue gas is improved constantly in recent years, especially recent dangerous waste incineration
The appearance of Environmental capacity standard-GB18484 new standards, enterprise's qualified discharge can be burned to traditional dangerous waste and proposes severe choosing
War.This allows for corresponding system for cleaning fume will become more huge, complexity.The removal methods bag of usual sour gas
Include dry method, semidry method, wet method, wherein dry-process deacidification be enter to flue gas sprayed into thereto before deduster the alkaline matter of dry state with
Sour gas is reacted, and the alkaline matter usage amount in this method is big, and operating cost is high, and deacidification efficiency is also subject to certain
Limitation, semidry method depickling is by Ca (OH)2Slurries are reacted in spraying into reactor with sour gas, the Ca in this method
(OH)2The preparation system of slurries is more complicated, and the easy salification of reactor, spray gun are easily blocked up, abrasion；And wet method depickling is using scrubbing tower
Form, can produce the waste water of inorganic salts containing high concentration and heavy metal, and equipment investment is high；Flue-gas temperature is caused to drop using wet processing
It is low, white plume can be generated, therefore can also expend substantial amounts of heat energy to carry out reheating to flue gas.Bioxin is generally using spray
Enter activated carbon removing, but it is traditional by single-stage cloth bag or by activated carbon+cloth bag+activated carbon adsorber（Activated carbon is easy
Inactivation, spontaneous combustion）Mode it is difficult to ensure that the qualified discharge of new standard Xia bioxin.
The content of the invention
The technical problem to be solved in the present invention is that flue gas purification system of the prior art has various defects, and can not
Effectively process the cleaning system of comprehensive flue gas.
Therefore, it is necessary to design a kind of effectively applicable comprehensive flue gas purification system, to flue gas after burning in main dirt
Dye thing carries out integrated treatment.It is an object of the invention to provide it is a kind of for processing dangerous waste incineration after produce flue gas enter
Row efficient purifying system, is allowed to the flue gas after treatment and reaches newest discharging standards.
The invention provides a kind of flue gas purification system, including：
Smoke inlet pipe road；
First dry type deacidifying device, air inlet connection smoke inlet pipe road；
Calcium hydroxide jetting device, it is connected with the first dry type deacidifying device；
First activated carbon jetting device, it is connected with the first dry type deacidifying device；
First dust arrester, its entrance connects the outlet of the first dry type deacidifying device by pipeline；
Second dry type deacidifying device, its air inlet connects the gas vent of the first dust arrester by pipeline；
Sodium bicarbonate jetting device, it is connected with the second dry type deacidifying device；
Second activated carbon jetting device, it is connected with the second dry type deacidifying device；
Second dust arrester, its entrance connects the outlet of the second dry type deacidifying device by pipeline；
Air-introduced machine, the gas vent of its second dust arrester of connection.
Preferably, above-mentioned flue gas purification system, also including the first feed back storehouse, its entrance is filled by pipeline and the first dedusting
The flue dust outlet connection put, the gas vent in the first feed back storehouse is connected by pipeline with the first dry type deacidifying device；First
The bottom in feed back storehouse is provided with ash exhauster.
Above-mentioned flue gas purification system, also including the second feed back storehouse, its entrance is by pipeline and the cigarette of the second dust arrester
Dirt outlet connection, the gas vent in the second feed back storehouse is connected by pipeline with the second dry type deacidifying device；Second feed back storehouse
Bottom be provided with ash exhauster.
The calcium hydroxide jetting device is connected with smoke inlet pipe road, so that de- by smoke inlet pipe road and the first dry type
Sour device connection.The first activated carbon jetting device is connected with smoke inlet pipe road, so that by smoke inlet pipe road and the
One dry type deacidifying device is connected.The sodium bicarbonate jetting device is connected between the first dust arrester and the second dry type deacidifying device
Pipeline, so as to be connected with the second dry type deacidifying device by pipeline.The second activated carbon jetting device connects the first dedusting dress
Put with the pipeline between the second dry type deacidifying device, so as to be connected with the second dry type deacidifying device by pipeline.
The calcium hydroxide jetting device include calcium hydroxide storage tank and structure for conveying, the structure for conveying connection calcium hydroxide storage tank and
First dry type deacidifying device；The first activated carbon jetting device includes activated carbon storage tank and structure for conveying, and the structure for conveying connects
Logical activated carbon storage tank and the first dry type deacidifying device；The sodium bicarbonate jetting device includes sodium bicarbonate feed bin, sodium bicarbonate grinding dress
Put and structure for conveying, the structure for conveying connection sodium bicarbonate lapping device and the second dry type deacidifying device；The second activated carbon spray
Entering device includes activated carbon storage tank and structure for conveying, structure for conveying connection activated carbon storage tank and the second dry type deacidifying device.
Above-mentioned flue gas purification system, also including chimney, its outlet with air-introduced machine.
The first dry type deacidifying device and the second dry type deacidifying device are dry type depickling reactor or one section of flue；It is described
First dust arrester and the second dust arrester are sack cleaner, and sack cleaner bottom is provided with to accumulate Bag filter gets off
Flue dust dust collector ash hopper, be provided with electric heater unit, and deduster bypass and hot air circulation are set on the dust collector ash hopper
System.
Present invention also offers above-mentioned flue gas purification system to the method for gas cleaning, comprise the following steps：
1）Flue gas enters the activated carbon in smoke inlet pipe road, the calcium hydroxide of calcium hydroxide jetting device and the first activated carbon jetting device
With flue gas in the first dry type deacidifying device, reacted；
2）Reacted flue gas enters the first dust arrester, and flue dust separation is carried out in the first dust arrester, and after separation, gas enters
Enter in the first dry type deacidifying device with the sodium bicarbonate from sodium bicarbonate jetting device and the work from the second activated carbon jetting device
Property charcoal is reacted；
3）Reacted flue gas enter the second dust arrester, flue dust separation is carried out in the second dust arrester, after separation, gas by
Air-introduced machine is drawn.
Preferably, step 1）The activated carbon and cigarette of the calcium hydroxide of medium-slaking lime jetting device and the first activated carbon jetting device
Gas mixes in smoke inlet pipe road, subsequently into the first dry type deacidifying device, is reacted；Step 2）In the first dust arrester
In carry out the gas after flue dust separation with from sodium bicarbonate jetting device sodium bicarbonate and from the second activated carbon jetting device
Enter in the first dry type deacidifying device after activated carbon mixing, reacted.
Step 2）In, flue dust separation is carried out in the first dust arrester, the flue dust after separation enters the first feed back storehouse, first go back to
The bottom of feed bin is provided with ash exhauster, and dust is expelled into ash-storing bin.
Step 3）In, flue dust separation is carried out in the second dust arrester, the flue dust after separation enters the second feed back storehouse, second go back to
The bottom of feed bin is provided with ash exhauster, and dust is expelled into ash-storing bin.
The beneficial effects of the invention are as follows：Using two-stage dry-process deacidification（Calcium hydroxide+sodium bicarbonate）, two-stage activated carbon Tuo bis- Evil
English.The present invention has deacidification efficiency high（SO2, HCl, HF etc.）, without waste water produce, flue-gas temperature it is high（Avoid low-temperature dew point corrosion,
And without flue gas reheat, it is to avoid white plume generation）, the harmful substance, cigarette such as the dioxin and heavy metal that can be removed in flue gas
Dirt etc., reaches newest discharging standards.
Brief description of the drawings
Fig. 1 is flue gas purification system structural representation of the invention.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in figure 1, the invention provides a kind of flue gas purification system, including：
Smoke inlet pipe road 1.
First dry type deacidifying device 4（First dry type deacidifying device 4 can be the special dry type depickling reactor for setting,
Can be one section of flue, reaction is completed in flue）, its air inlet connection smoke inlet pipe road.
Calcium hydroxide jetting device 2, it is connected with the first dry type deacidifying device 4；In better embodiment of the invention, disappear
Lime jetting device 2 is made up of calcium hydroxide storage tank and conveying mechanism, and conveying mechanism connects calcium hydroxide storage tank and smoke inlet pipe road
1, the calcium hydroxide in calcium hydroxide storage tank is sprayed into and is mixed with flue gas in smoke inlet pipe road 1, subsequently into the first dry type depickling
Device 4 is reacted.
First activated carbon jetting device 3, it is connected with the first dry type deacidifying device 4；In better embodiment of the invention
In, the first activated carbon jetting device 3 includes activated carbon storage tank and structure for conveying, and the activated carbon storage tank passes through conveying mechanism and flue gas
Admission line 1 is connected, and the activated carbon in activated carbon storage tank is sprayed into and is mixed with flue gas in smoke inlet pipe road 1, subsequently into
First dry type deacidifying device 4 is reacted.
First dust arrester 5, its entrance connects the outlet of the first dry type deacidifying device by pipeline；Of the invention preferred
In implementation method, the first dust arrester 5 is sack cleaner, and sack cleaner bottom is provided with to accumulate what Bag filter got off
The dust collector ash hopper of flue dust, is provided with electric heater unit, and set deduster bypass and hot air circulation system on the dust collector ash hopper
System, sack cleaner selects PTFE Nomex+PTPE overlay films.
Second dry type deacidifying device 9（First dry type deacidifying device 4 can be the special dry type depickling reactor for setting,
Can be one section of flue, reaction is completed in flue）, the gas vent that its air inlet passes through pipeline the first dust arrester 5 of connection.
Sodium bicarbonate jetting device, it is connected with the second dry type deacidifying device 9；In a preferred embodiment of the invention, it is small
Soda jetting device includes sodium bicarbonate feed bin 7, sodium bicarbonate lapping device 6 and structure for conveying, and structure for conveying connection sodium bicarbonate grinds
The dry type deacidifying device 9 of mill apparatus 6 and second, sodium bicarbonate is from sodium bicarbonate feed bin by spraying into the first dust arrester after grinder grinding
Mix with flue gas in pipeline between 5 and the second dry type deacidifying device 9, reacted subsequently into the second dry type deacidifying device 9.
Second activated carbon jetting device 8, it is connected with the second dry type deacidifying device 9；In better embodiment of the invention
In, the second activated carbon jetting device 8 includes activated carbon storage tank and structure for conveying, and the activated carbon storage tank passes through conveying mechanism and first
Pipeline communication between the dry type deacidifying device 9 of dust arrester 5 and second, the activated carbon in activated carbon storage tank is sprayed into pipeline
Mix with flue gas, reacted subsequently into the second dry type deacidifying device 9.
Second dust arrester 10, its entrance connects the outlet of the second dry type deacidifying device 9 by pipeline；Of the invention excellent
Select in implementation method, the second dust arrester 10 is sack cleaner, and sack cleaner bottom is provided with to accumulate under Bag filter
The dust collector ash hopper of the flue dust for coming, electric heater unit is provided with the dust collector ash hopper, and sets deduster bypass and followed with hot blast
Loop systems, sack cleaner selects PTFE Nomex+PTPE overlay films.
Air-introduced machine 11, the gas vent of its second dust arrester 10 of connection, flue gas is pulled out, it is ensured that system negative pressure.
Chimney 16, its outlet with air-introduced machine 11；
First feed back storehouse 12, its entrance is exported with the flue dust of the first dust arrester 5 by pipeline and is connected, the first feed back storehouse 12
Gas vent connected with the first dry type deacidifying device 4 by pipeline；The bottom in the first feed back storehouse 45 is provided with ash exhauster.
Second feed back storehouse 12, its entrance is exported with the flue dust of the second dust arrester 10 by pipeline and is connected, the second feed back storehouse
12 gas vent is connected by pipeline with the second dry type deacidifying device 10；The bottom in the second feed back storehouse 12 is provided with ash exhauster.
The workflow of flue gas purification system of the invention is as follows：
Flue gas enters smoke inlet pipe road 1, and the activated carbon jetting device 3 of calcium hydroxide jetting device 2 and first sprays in flue
Enter calcium hydroxide and activated carbon, calcium hydroxide and activated carbon enter in the first dry type deacidifying device 4 after mixing with flue gas, reacted.
Reacted flue gas enters the first dust arrester 5, and the flue dust in the first dust arrester 5 separate enters the first feed back storehouse 12, first
The bottom in feed back storehouse 12 is provided with ash exhauster, and dust is expelled into ash-storing bin 13, and the gas in the first feed back storehouse 12 is dry into first
Reacted in formula deacidifying device 4.Gas and polished sodium bicarbonate in first dust arrester 5（Sodium bicarbonate grinder 6,
Sodium bicarbonate can be ground to particle diameter<20 μm (more than 90%)）Enter the second dry type deacidifying device 9 with after activated carbon mixing, carry out
Reaction, the inlet temperature of the second dry type deacidifying device 9>140oC, it is ensured that sodium acid carbonate is resolved into porous, fluff structure carbon
Sour sodium, with reactivity higher.Reacted flue gas enters the second dust arrester 10, is separated in the second dust arrester 10
Flue dust enters the second feed back storehouse 14, and the bottom in the second feed back storehouse 14 is provided with ash exhauster, dust is expelled into ash-storing bin 15, second
The gas in feed back storehouse 14 is into being reacted in the second dry type deacidifying device 9.Air-introduced machine 11 pulls out flue gas, it is ensured that system is born
Pressure.Air-introduced machine is connected with chimney 16, through the flue gas after treatment it is up to standard after discharge.
The beneficial effects of the invention are as follows：Using two-stage dry-process deacidification（Calcium hydroxide+sodium bicarbonate）, two-stage activated carbon Tuo bis- Evil
English.The present invention has deacidification efficiency high（SO2, HCl, HF etc.）, without waste water produce, flue-gas temperature it is high（Avoid low-temperature dew point corrosion,
And without flue gas reheat, it is to avoid white plume generation）, the harmful substance, cigarette such as the dioxin and heavy metal that can be removed in flue gas
Dirt etc., reaches newest discharging standards.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the present invention, protection model of the invention
Enclose not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (10)
1. a kind of flue gas purification system, it is characterised in that including：
Smoke inlet pipe road；
First dry type deacidifying device, air inlet connection smoke inlet pipe road；
Calcium hydroxide jetting device, it is connected with the first dry type deacidifying device；
First activated carbon jetting device, it is connected with the first dry type deacidifying device；
First dust arrester, its entrance connects the outlet of the first dry type deacidifying device by pipeline；
Second dry type deacidifying device, its air inlet connects the gas vent of the first dust arrester by pipeline；
Sodium bicarbonate jetting device, it is connected with the second dry type deacidifying device；
Second activated carbon jetting device, it is connected with the second dry type deacidifying device；
Second dust arrester, its entrance connects the outlet of the second dry type deacidifying device by pipeline；
Air-introduced machine, the gas vent of its second dust arrester of connection.
2. flue gas purification system according to claim 1, it is characterised in that also including the first feed back storehouse and the second feed back
Storehouse；The entrance in the first feed back storehouse is exported with the flue dust of the first dust arrester by pipeline and is connected, the gas in the first feed back storehouse
Outlet is connected by pipeline with the first dry type deacidifying device, and the bottom in the first feed back storehouse is provided with ash exhauster；Second feed back storehouse
Entrance is exported by the flue dust of pipeline and the second dust arrester and is connected, and the gas vent in the second feed back storehouse passes through pipeline and the
Two dry type deacidifying devices are connected, and the bottom in the second feed back storehouse is provided with ash exhauster.
3. flue gas purification system according to claim 1, it is characterised in that the calcium hydroxide jetting device and flue gas air inlet
Pipeline communication, so as to be connected with the first dry type deacidifying device by smoke inlet pipe road；The first activated carbon jetting device with
Smoke inlet pipe road is connected, so as to be connected with the first dry type deacidifying device by smoke inlet pipe road.
4. flue gas purification system according to claim 1, it is characterised in that the sodium bicarbonate jetting device connection first is removed
Pipeline between dirt device and the second dry type deacidifying device, so as to be connected with the second dry type deacidifying device by pipeline；Described
Two activated carbon jetting devices connect the pipeline between the first dust arrester and the second dry type deacidifying device, so that by pipeline and the
Two dry type deacidifying devices are connected.
5. flue gas purification system according to claim 1, it is characterised in that the calcium hydroxide jetting device includes calcium hydroxide
Storage tank and structure for conveying, the structure for conveying connection calcium hydroxide storage tank and the first dry type deacidifying device；First activated carbon is sprayed into
Device includes activated carbon storage tank and structure for conveying, the structure for conveying connection activated carbon storage tank and the first dry type deacidifying device；It is described
Sodium bicarbonate jetting device includes sodium bicarbonate feed bin, sodium bicarbonate lapping device and structure for conveying, and structure for conveying connection sodium bicarbonate grinds
Mill apparatus and the second dry type deacidifying device；The second activated carbon jetting device includes activated carbon storage tank and structure for conveying, conveying
Fabric connectivity activated carbon storage tank and the second dry type deacidifying device.
6. flue gas purification system according to claim 1, it is characterised in that also including chimney, its outlet with air-introduced machine
Connection.
7. flue gas purification system according to claim 1, it is characterised in that the first dry type deacidifying device and second dry
Formula deacidifying device is dry type depickling reactor or one section of flue；First dust arrester and the second dust arrester are bag-type dusting
Device, sack cleaner bottom is provided with to accumulate the dust collector ash hopper of the flue dust that Bag filter gets off, on the dust collector ash hopper
Electric heater unit is provided with, and deduster bypass and hot air circulating system are set.
8. method of the flue gas purification system described in claim 1 to gas cleaning, it is characterised in that comprise the following steps：
1）Flue gas enters the activated carbon in smoke inlet pipe road, the calcium hydroxide of calcium hydroxide jetting device and the first activated carbon jetting device
With flue gas in the first dry type deacidifying device, reacted；
2）Reacted flue gas enters the first dust arrester, and flue dust separation is carried out in the first dust arrester, and after separation, gas enters
Enter in the first dry type deacidifying device with the sodium bicarbonate from sodium bicarbonate jetting device and the work from the second activated carbon jetting device
Property charcoal is reacted；
3）Reacted flue gas enter the second dust arrester, flue dust separation is carried out in the second dust arrester, after separation, gas by
Air-introduced machine is drawn.
9. method of the flue gas purification system described in claim 8 to gas cleaning, it is characterised in that step 1）Medium-slaking lime sprays
The activated carbon of the calcium hydroxide and the first activated carbon jetting device that enter device mixes with flue gas in smoke inlet pipe road, subsequently into
First dry type deacidifying device, is reacted；Step 2）In carry out the gas after flue dust separation and come from childhood in the first dust arrester
Into the first dry type depickling dress after the sodium bicarbonate of soda jetting device and the mixing of the activated carbon from the second activated carbon jetting device
In putting, reacted.
10. method of the flue gas purification system described in claim 8 to gas cleaning, it is characterised in that step 2）In, first removes
Flue dust separation is carried out in dirt device, the flue dust after separation enters the first feed back storehouse, the bottom in the first feed back storehouse is provided with ash exhauster,
Dust is expelled to ash-storing bin；Step 3）In, flue dust separation is carried out in the second dust arrester, the flue dust after separation enters second time
Feed bin, the bottom in the second feed back storehouse is provided with ash exhauster, and dust is expelled into ash-storing bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710261447.8A CN106861415B (en) | 2017-04-20 | 2017-04-20 | Flue gas purification system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710261447.8A CN106861415B (en) | 2017-04-20 | 2017-04-20 | Flue gas purification system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106861415A true CN106861415A (en) | 2017-06-20 |
| CN106861415B CN106861415B (en) | 2023-10-13 |
Family
ID=59163775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710261447.8A Active CN106861415B (en) | 2017-04-20 | 2017-04-20 | Flue gas purification system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106861415B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246008A (en) * | 2018-01-16 | 2018-07-06 | 斐控环境工程（上海）有限公司 | A kind of sodium bicarbonate dry-process deacidification technique |
| CN108392976A (en) * | 2018-05-21 | 2018-08-14 | 宁波市北仑环保固废处置有限公司 | A kind of sodium bicarbonate automation deacidification system and its process |
| CN108837677A (en) * | 2018-06-28 | 2018-11-20 | 中冶长天国际工程有限责任公司 | A kind for the treatment of process and its device of sintering flue gas minimum discharge |
| CN110201464A (en) * | 2019-07-05 | 2019-09-06 | 上海环境工程设计研究院有限公司 | High dust-laden, High water cut, the purification process of high sulfur-containing smoke gas and flue gas purification system |
| CN110404404A (en) * | 2019-05-29 | 2019-11-05 | 张家港市艾尔环保工程有限公司 | A kind of high chlorine incineration flue gas synergistic purification technique of high-sulfur |
| CN110553273A (en) * | 2019-09-26 | 2019-12-10 | 上海博士高环保科技有限公司 | Hazardous waste incineration double-dry-method flue gas treatment system and treatment method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08108040A (en) * | 1994-08-17 | 1996-04-30 | Okutama Kogyo Kk | Waste gas processing agent and treatment of waste gas |
| US5746141A (en) * | 1995-10-06 | 1998-05-05 | Consorzio Obbligatorio Nazionale Per Il Riciclaggio Dei Contenitori In Plastica Per Liquidi | High temperature acid gases and particulate removal in waste incineration process |
| CN202289865U (en) * | 2011-10-11 | 2012-07-04 | 苏州科德技研有限公司 | Dry type smoke treating system for sludge incineration |
| CN103611399A (en) * | 2013-12-04 | 2014-03-05 | 无锡雪浪环境科技股份有限公司 | Purification system for flue gas generated in hazardous waste incineration |
| CN103657393A (en) * | 2013-05-17 | 2014-03-26 | 上海康恒环境股份有限公司 | Dry powder jetting device for flue gas purification |
| CN203591695U (en) * | 2013-05-17 | 2014-05-14 | 上海康恒环境股份有限公司 | Flue gas purification dry powder injection device |
| CN203620488U (en) * | 2013-12-04 | 2014-06-04 | 无锡雪浪环境科技股份有限公司 | Hazardous waste incineration flue gas purification system |
| CN104722181A (en) * | 2015-02-04 | 2015-06-24 | 绿色动力环保集团股份有限公司 | Combined deacidifying and dedusting method and system of domestic garbage incineration flue gas |
| CN205650074U (en) * | 2016-05-24 | 2016-10-19 | 绿色动力环保集团股份有限公司 | Domestic waste burns combination deacidification dust pelletizing system of flue gas |
| CN206688506U (en) * | 2017-04-20 | 2017-12-01 | 北京高能时代环境技术股份有限公司 | Flue gas purification system |
-
2017
- 2017-04-20 CN CN201710261447.8A patent/CN106861415B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08108040A (en) * | 1994-08-17 | 1996-04-30 | Okutama Kogyo Kk | Waste gas processing agent and treatment of waste gas |
| US5746141A (en) * | 1995-10-06 | 1998-05-05 | Consorzio Obbligatorio Nazionale Per Il Riciclaggio Dei Contenitori In Plastica Per Liquidi | High temperature acid gases and particulate removal in waste incineration process |
| CN202289865U (en) * | 2011-10-11 | 2012-07-04 | 苏州科德技研有限公司 | Dry type smoke treating system for sludge incineration |
| CN103657393A (en) * | 2013-05-17 | 2014-03-26 | 上海康恒环境股份有限公司 | Dry powder jetting device for flue gas purification |
| CN203591695U (en) * | 2013-05-17 | 2014-05-14 | 上海康恒环境股份有限公司 | Flue gas purification dry powder injection device |
| CN103611399A (en) * | 2013-12-04 | 2014-03-05 | 无锡雪浪环境科技股份有限公司 | Purification system for flue gas generated in hazardous waste incineration |
| CN203620488U (en) * | 2013-12-04 | 2014-06-04 | 无锡雪浪环境科技股份有限公司 | Hazardous waste incineration flue gas purification system |
| CN104722181A (en) * | 2015-02-04 | 2015-06-24 | 绿色动力环保集团股份有限公司 | Combined deacidifying and dedusting method and system of domestic garbage incineration flue gas |
| CN205650074U (en) * | 2016-05-24 | 2016-10-19 | 绿色动力环保集团股份有限公司 | Domestic waste burns combination deacidification dust pelletizing system of flue gas |
| CN206688506U (en) * | 2017-04-20 | 2017-12-01 | 北京高能时代环境技术股份有限公司 | Flue gas purification system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246008A (en) * | 2018-01-16 | 2018-07-06 | 斐控环境工程（上海）有限公司 | A kind of sodium bicarbonate dry-process deacidification technique |
| CN108392976A (en) * | 2018-05-21 | 2018-08-14 | 宁波市北仑环保固废处置有限公司 | A kind of sodium bicarbonate automation deacidification system and its process |
| CN108837677A (en) * | 2018-06-28 | 2018-11-20 | 中冶长天国际工程有限责任公司 | A kind for the treatment of process and its device of sintering flue gas minimum discharge |
| CN110404404A (en) * | 2019-05-29 | 2019-11-05 | 张家港市艾尔环保工程有限公司 | A kind of high chlorine incineration flue gas synergistic purification technique of high-sulfur |
| CN110201464A (en) * | 2019-07-05 | 2019-09-06 | 上海环境工程设计研究院有限公司 | High dust-laden, High water cut, the purification process of high sulfur-containing smoke gas and flue gas purification system |
| CN110553273A (en) * | 2019-09-26 | 2019-12-10 | 上海博士高环保科技有限公司 | Hazardous waste incineration double-dry-method flue gas treatment system and treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106861415B (en) | 2023-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106861415A (en) | Flue gas purification system and method | |
| CN102120130B (en) | Complete set of device and method for treating tail gas from sludge incineration through semidry method | |
| CN108636098A (en) | A kind of the minimum discharge purifier and its method of burning city domestic garbage flue gas | |
| CN101829468A (en) | Flue-gas cleaning method and system for waste incineration | |
| CN102974181A (en) | Flue gas dedusting and desulfurization and denitrification craft and special device thereof | |
| CN111609406A (en) | Method for treating domestic garbage | |
| CN101822942A (en) | Wet purification method for dioxin and heavy metals in solid waste incineration gas | |
| CN212188526U (en) | Flue gas treatment system after sludge treatment | |
| CN102008888B (en) | Incineration flue gas purification device | |
| CN201899980U (en) | Complete device for treating sludge incineration tail gas in semidry method | |
| CN203043840U (en) | Smoke treatment device of cremation machine | |
| CN106178877A (en) | A kind of coke oven flue waste gas purification waste heat recovery apparatus and technique | |
| CN204182256U (en) | A kind of washing degree of depth dust arrester | |
| CN205529050U (en) | Silicon steel pickling installation | |
| CN206688506U (en) | Flue gas purification system | |
| CN208244364U (en) | The recycling of forming machine high-temperature flue gas removes smoke box water circle device | |
| CN207928934U (en) | A kind of consumer waste incineration tail gas soot processing device | |
| CN104258668B (en) | A kind of washing degree of depth dust arrester | |
| CN207187421U (en) | A kind of circulation deacidification purification device for danger wastes incineration flue gas | |
| CN110327769A (en) | Dry deacidification treatment system for flue gas of garbage incinerator | |
| CN213160196U (en) | System for handle dusty tail gas | |
| CN206008482U (en) | Solution equipment is pressed in a kind of gas cleaning | |
| CN201988321U (en) | Incinerating smoke cleaning processing device | |
| CN212523640U (en) | Metal sludge sintering flue gas treatment system | |
| CN211635955U (en) | Flue gas desulfurization ultra-clean discharging equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231214 Address after: 344899 West Ecological High tech Industrial Park, Jinxi County Industrial Park, Fuzhou City, Jiangxi Province Patentee after: Jiangxi Xinke Environmental Protection High tech Co.,Ltd. Address before: 100095 High Energy Environment Building, 9 Dijin Road, Haidian District, Beijing Patentee before: Beijing GeoEnviron Engineering & Technology, Inc. |