CN102423604A - Combined type flue gas desulfurization and denitration device - Google Patents
Combined type flue gas desulfurization and denitration device Download PDFInfo
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- CN102423604A CN102423604A CN2011102443890A CN201110244389A CN102423604A CN 102423604 A CN102423604 A CN 102423604A CN 2011102443890 A CN2011102443890 A CN 2011102443890A CN 201110244389 A CN201110244389 A CN 201110244389A CN 102423604 A CN102423604 A CN 102423604A
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- active carbon
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- desulfuring
- conveyer
- adsorption tower
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000003546 flue gas Substances 0.000 title claims abstract description 24
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 18
- 230000003009 desulfurizing Effects 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000008929 regeneration Effects 0.000 claims abstract description 17
- 238000011069 regeneration method Methods 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000523 sample Substances 0.000 claims abstract description 8
- 238000003795 desorption Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 18
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 16
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 12
- 239000003463 adsorbent Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000003610 charcoal Substances 0.000 claims description 7
- 231100000614 Poison Toxicity 0.000 claims description 6
- 229910052813 nitrogen oxide Inorganic materials 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 239000005864 Sulphur Substances 0.000 claims description 5
- 230000000505 pernicious Effects 0.000 claims description 5
- 239000006227 byproduct Substances 0.000 claims description 4
- 230000035695 Efflux Effects 0.000 claims description 3
- JZRWCGZRTZMZEH-UHFFFAOYSA-N Thiamine Natural products CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N JZRWCGZRTZMZEH-UHFFFAOYSA-N 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 235000019157 thiamine Nutrition 0.000 claims description 3
- 150000003544 thiamines Chemical class 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims 1
- 239000002594 sorbent Substances 0.000 claims 1
- 230000001502 supplementation Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000002699 waste material Substances 0.000 description 6
- 235000010269 sulphur dioxide Nutrition 0.000 description 4
- 229910002089 NOx Inorganic materials 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000003916 acid precipitation Methods 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- -1 arsenide Chemical compound 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000035568 catharsis Effects 0.000 description 1
- 230000005591 charge neutralization Effects 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 231100000078 corrosive Toxicity 0.000 description 1
- 231100001010 corrosive Toxicity 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 230000001066 destructive Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011068 load Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000000414 obstructive Effects 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N oxygen atom Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001172 regenerating Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 230000004083 survival Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic Effects 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
Abstract
The invention discloses a combined type flue gas desulfurization and denitration device. The combined device comprises a booster fan 2, an ammonia conveying pipe 3, an adsorption tower 5, an automatic alarm probe 6, an active carbon inlet feeder 8, an active carbon outlet discharger 9, a saturated active carbon conveyor 10, a clean active carbon conveyor 11, a regeneration reactor 12, a post-desorption active carbon conveyor 15, a vibration screen 16, an active carbon supplementing hopper 17, an additional active carbon conveyor 18 and an active carbon storage tank 19; and the combined device is characterized by further comprising active carbon 22 in an adsorption area. The adsorption material in the combined type device is the active carbon 22 which has a wide adsorption range and can be reused. One or more complete and independent adsorption towers 5 can be arranged according to the amount of the flue gas, and each adsorption tower 5 can independently finish the desulfurization and denitration process. The flue gas after the desulfurization and denitration is finally gathered in a flue and discharged outside.
Description
Technical field
The present invention relates to a kind of combined vertical flue gas desulfurization and denitrification device, relate in particular to a kind of device of dry desulfurization denitration.
Background technology
At present, coal has occupied energy leading position.When consuming coal resources, produced a large amount of SO that impairs human body
2, Nox, and row SO
2, environmental pollutions such as the caused greenhouse effects of Nox, acid rain and depletion of the ozone layer have become everybody consistent problem deeply concerned, that have a strong impact on environment for human survival.The poisonous trace element of coal-burning boiler generation is in recent years also more and more paid close attention to by people the harm of environment.The technology of various control atmosphere pollution has become the most urgent mission of various countries efforts at environmental protection person.
Because the extensive use of coal has caused and has existed SOx and NOx gas in the air in a large number.SO
290% derives from coal-fired flue-gas in the discharge capacity; 60% derives from coal-fired flue-gas in the NOx discharge capacity.(SOx, general 98%～99% is SO to oxysulfide
2, all the other are SO
3) and nitrogen oxide (NOx general 90%～99.5% is NO, and all the other are NO
2) discharging be the main cause that forms acid rain, they cause great harm to the human health and the natural ecological balance.
And country is to the environmental protection requirement increasingly stringent, and mandatory requirement flue gas desulfurization and progressively advocate and remove nitrogen oxide.Present domestic sulfur removal technology all adopts wet desulphurization (being the principle of acid-base neutralization) more than 95%.Though this technology can reach discharge standard, the content of sulphur is unsettled in the high-temperature flue gas, and the concentration of medium of water is also very unstable, so be difficult to guarantee operation steady in a long-term.Sulphur produces high-temperature sub sulfuric acid through producing after the heat after sulfur dioxide is met water; This is the most unmanageable deep-etching material in chemical industry; Buck itself also is a corrosive medium, does not just corrode after closing in having only, and does not close in stable if do not keep; No matter add and wash away, be acid or alkalescence contains non-ferrous metal to most metals absolute powerful destructive power is all arranged.Even if can guarantee to close operation in stable, its operating cost is also very high, and middle Heshui also needs after sewage disposal, could discharge.Adding China is one of country of serious water shortage, and this technology also is a kind of serious waste to water resource.Importantly this technology desulfurization, denitration at all can't be compatible.In this case, my company develops a kind of combined type desulfuring and denitrifying apparatus.This device can be accomplished the desulphurization denitration process in a device simultaneously.And floor space is few, cheap, not water, operating cost is low, efficient is high and stable, can also the waste recovery utilization, change into serial byproducts such as sulfuric acid, sulphur, thiamines, can be with changing waste into resources.
Summary of the invention
The present invention provides a kind of combination high-efficiency flue gas desulfurization and denitrification device, but be a kind of pure dry method, filler can repeat environmental protection equipment resource that regeneration cycle uses, new and effective, that can desulphurization denitration be accomplished in a covering device.
What desulfuring and denitrifying apparatus of the present invention adopted is the operation principle of physical absorption, and the harmful substance that will contain in the pernicious gas of sulfur dioxide and nitrogen oxide is adsorbed onto on the sorbing material.
Can be in one covering device according to containing SO in the flue gas
2, Nox what, one and a plurality of complete, cell cube independently are set respectively, each unit all can be accomplished the desulphurization denitration process separately.
Each unit is equipped with monitoring probe, when sorbing material is full close after, monitoring probe can be reported to the police automatically.The clean sorbing material in back of reporting to the police will be changed the full poisonous sorbing material that closes automatically.The full poisonous sorbing material that closes will get into the regeneration converter automatically and carry out Regeneration Treatment; Sorbing material through Regeneration Treatment is the same with new clean sorbing material performance function; Can reuse, the full efficient renewable sorbing material that closes can become Sulphur Dioxide wherein sulfuric acid, sulphur and thiamines in regeneration; Turn waste into wealth, become a kind of chemical raw material.The purification of harmful toxic smoke gas process combined type desulfuring and denitrifying apparatus just becomes pure air and enters atmosphere.This device go up to adopt the PLC automatic control system, and is simple and compact for structure, simple to operately guarantees stable and reliable operation, and can be connected with the national environmental protection on-line monitoring system is supporting, realizes remote on-line monitoring.
Above-mentioned sorbing material comprises activated carbon.Because activated carbon itself is that a kind of porous carbonaceous material has highly developed pore structure and huge specific area, therefore has very strong adsorptivity.The hole of activated carbon is divided into micropore, mesopore and macropore, and its aperture is respectively greater than 2nm, and 20-200nm is greater than 200nm.Contain multielement on the activated carbon surface and contain the oxygen functional group, can also flood chemical substance, process impregnated activated carbon.Therefore it is good adsorbent, also is catalyst.Through refining high-efficiency desulfurization, the denitration sorbing material that forms of special technology.This product hole is flourishing, and specific surface is bigger, especially with the big and unique advantage of micropore volume.Its intensity height, friction resistant, shock-resistant, easy regeneration.Adsorption rate is exceedingly fast, and the capacity height is to various organic solutes, free oxygen, and airborne various pernicious gases have extremely strong adsorption capacity, and has fabulous gas separation and purification function.
Desulfurization of the present invention, denitrification apparatus be adaptable across high-efficiency desulfurization, the denitration of heat power plant boiler flue gas, can remove also simultaneously that mercury takes off, bromine harmful substance etc.Especially to the heavy metal in the flue gas of refuse burning; Especially Hg 、 bioxin (PCDDS), furans pernicious gases such as (PCDFs) have good catharsis, can also carry out effective isolation of purified to pernicious gases such as cyanide, arsenide, ammonia, carbon monoxide, benzene, chlorine, formaldehyde.
Combined type absorption type dry flue gas desulphurization denitrification apparatus of the present invention has following advantage: floor space is little, small investment, operating cost is low, Applicable temperature is wide, resistance is little, not consume water resources, energy savings.The sorbing material absorption efficiency is high, and the repeated use of regenerating.Ashes to deduster does not eliminate also can thoroughly clean removal.Whole system has adsorption tower, blower fan, conveyer, regenerator, valve etc., and the pipeline configuration is less, power is little, energy consumption is little, maintenance capacity is little, do not have corrosion obstruction, fouling, phenomenons such as fan belt water, and material employing steel, and less investment, system's operation is simple and reliable.The adsorption efficiency height is applied widely, and sorbing material aboundresources and price are low, and comprehensive utilization of waste materials can also output byproduct, certainly non-secondary pollution.
Description of drawings
Fig. 1 is the combined type desulfuring and denitrifying apparatus in the embodiment of the invention;
Fig. 2 is that the inner adsorbent of the combined type desulfuring and denitrifying apparatus in the embodiment of the invention is arranged sketch map (vertical view);
Fig. 3 is arranged in juxtaposition sketch map (vertical view) for two groups for the combined type desulfuring and denitrifying apparatus in the embodiment of the invention;
Description of reference numerals:
1. the defeated ammonia pipe .4. ammonia nozzle .5. automatic alarm probe .7. of the adsorption tower .6. exhanst gas outlet .8. up to standard active carbon inlet of ash-laden gas .2. booster fan .3. feeder .9. active carbon exports the clean active carbon conveyer of discharger .10. saturated activity charcoal conveyer .11. .12. regeneration reactor .13.SO
2, NO
XAnd active carbon conveyer .16. vibratory sieve .17. active carbon replenishes the newly-increased active carbon conveyer .19. active carbon holding vessel .20. ash-laden gas of hopper .18. and advances adsorption tower inlet .21. flue gas up to standard and go out adsorption tower outlet .22. active carbon behind the synthetic .14. superheated steam .15. desorption.
The specific embodiment
Carry out detailed explanation below in conjunction with Fig. 1-3 pair of combined type dry flue gas desulphurization denitrification apparatus of the present invention.
Fig. 1 is the combined type desulfuring and denitrifying apparatus process flow diagram in the embodiment of the invention.Wherein, this device can be provided with one or more adsorption towers 5 respectively according to the size of dustiness in the flue gas.Be provided with three adsorption towers 5 among the figure; Detailed process is the absorption material to be put into active carbon replenish hopper 17 through the newly-increased active carbon conveyer 18 of active carbon outlet discharger 9 inflows; Get into active carbon holding vessel 19 through active carbon inlet feeder 7; Through active carbon outlet discharger 9, drop to clean active carbon conveyer 11 again, finally arrive adsorption tower 5.
The process of absorption is a counter-current process.In this process, ash-laden gas 1 flows under the effect of booster fan 2 from bottom to top, and active carbon flows under the effect of gravity from top to down.Whole process is divided two parts; First is a sweetening process: sulfur dioxide harmful in the flue gas fully is adsorbed on the absorption material, when automatic alarm probe 6 is reported to the police, explains that the absorption material has adsorbed saturated; The active carbon inlet feeder 8 and the active carbon outlet discharger 9 on the drainage line that are arranged on this moment on the blanking pipeline are opened simultaneously; Saturated absorption material is discharged by outlet under the effect of gravity, drops on the saturated activity charcoal conveyer 10, and the material of the cleaning of equivalent absorption simultaneously gets into; Adsorption process is restarted, the cancellation of reporting to the police.
Saturated absorption material is transported to regeneration reactor 12 under the effect of saturated activity charcoal conveyer 10.Regeneration reactor 12 has the function that the saturated activity charcoal is desorbed.Feed superheated steam 14 at its end opening, then can be rich in SO suitable for reading overflowing
2, NO
XAnd the gas of synthetic 13, through further processing, but the very high byproduct of output added value.Meanwhile, the saturated activity charcoal is desorbed, and becomes clean active carbon, can participate in the absorption activity again again.Through active carbon outlet discharger 9, fall behind the desorption on the active carbon conveyer 15, through the screening of vibratory sieve 16, qualified active carbon gets into clean active carbon conveyer 11, is transported to adsorption tower 5.
Second is denitrification process: add defeated ammonia pipe 3 on outside flue, the ammonia nozzle is set in the flue.Nitrogen oxide harmful in the flue gas fully is adsorbed on the absorption material, under the effect of ammonia, is catalyst with the active carbon, with removal of nitrogen oxide, when automatic alarm probe 5 is reported to the police, explain reach adsorb saturated.All the other processes are identical with desulfurization.
The absorption material can repeat repeatedly to utilize.Promptly reach national requirements for environmental protection, also can turn waste into wealth, create effect. promptly reach the national requirements for environmental protection benefit, reduce operating cost.
In adsorption tower 3, can be divided into one and more than one complete, cell cube independently according to the size of exhaust gas volumn, each unit all can be accomplished the desulphurization denitration process separately.Through behind the desulphurization denitration, flue gas up to standard converges to a flue at last and effluxes.
Fig. 2 is that the inner adsorbent of the combined type desulfuring and denitrifying apparatus in the embodiment of the invention is arranged sketch map (vertical view).This structure is a steel design.Manufacturing materials is a steel eyelet sieve plate.Among the figure, thickness A B=250mm～400mm.Load absorption material---active carbon in it.Generally arrange 3～5 layers, ash-laden gas 1 is got into through absorption material 22 by eyelet and carries out first order adsorption process, and not adsorbing the harmful substance of falling will be adsorbed in through processes such as the second level, the third level one by one.Steel eyelet sieve plate in this structure is special special use.
Fig. 3 is arranged in juxtaposition sketch map (vertical view) for the combined type desulfuring and denitrifying apparatus in the embodiment of the invention.This structure is applicable to the flue gas desulfurization and denitrification in the large thermal power plant.Because exhaust gas volumn is very big, contains SO comparatively speaking
2, NO
XAmount just many, therefore must adopt two groups or more this combined type desulfuring and denitrifying apparatus to carry out parallelly connected arrangement form, can deal with problems.Be flue collector in the centre, this device is arranged in both sides, every side can be provided with two or more adsorption towers 5 as required, draws corresponding branch flue from flue collector, uniformly ash-laden gas 1 is introduced in each adsorption tower 5.Adsorption process in each adsorption tower 5 sees that Fig. 1 explains.Through behind the desulphurization denitration, flue gas up to standard converges to a flue at last and effluxes.
Claims (12)
1. combined type desulfuring and denitrifying apparatus; Comprise booster fan 2, defeated ammonia pipe 3, adsorption tower 5, active carbon conveyer 15, vibratory sieve 16, active carbon replenish hopper 17, newly-increased active carbon conveyer 18, active carbon holding vessel 19 behind alarm probe 6, active carbon inlet feeder 8, active carbon outlet discharger 9, saturated activity charcoal conveyer 10, clean active carbon conveyer 11, regeneration reactor 12, the desorption automatically; It is characterized in that, also comprise the active carbon 22 in the adsorption zone.
2. desulfuring and denitrifying apparatus according to claim 1 is characterized in that, comprises that also the section plan view of device adsorption tower 5 in this is square or rectangle.
3. desulfuring and denitrifying apparatus according to claim 1 is characterized in that, also comprises being located at ducted ammonia nozzle 4.
4. desulfuring and denitrifying apparatus according to claim 1 is characterized in that, the import and export of adsorption tower 5, active carbon holding vessel 19, regeneration reactor 12 are provided with active carbon inlet feeder 8, active carbon outlet discharger 9.
5. desulfuring and denitrifying apparatus according to claim 1 and 2 is characterized in that, on the inlet duct of ash-laden gas 1, is provided with booster fan 2.
6. desulfuring and denitrifying apparatus according to claim 1 is characterized in that, also comprises being located at the terminal vibratory sieve 16 of active carbon conveyer behind the desorption 15.
7. desulfuring and denitrifying apparatus according to claim 1 is characterized in that, the quantity of adsorption tower 5 in the said device can be provided with respectively more than one and one according to the size of exhaust gas volumn.Each adsorption tower 5 all can be accomplished the desulphurization denitration process separately.Each adsorption tower 5 is through the flue gas behind the desulphurization denitration, and is last, converges to a flue and effluxes.
8. a while desulfurization denitration method is characterized in that, will contain pernicious gases such as sulfur dioxide and nitrogen oxide and pass through adsorption zone; This adsorption zone has the confession adsorbent---active carbon 22 so that the harmful substance in the adsorbents adsorb gas, when adsorbent is full close after; Being located at the automatic alarm probe 6 of adsorption zone can report to the police automatically, and active carbon outlet discharger 9 is opened, and the full poisonous adsorbent that closes flows out tower body under the gravity effect; Active carbon inlet feeder 8 is opened simultaneously, and clean active carbon 22 falls, automatically original position of the full poisonous adsorbent that closes of replacement; All clear, active carbon outlet discharger 9, active carbon inlet feeder 8 close synchronouslies, new adsorption process begins; Whole process is gone round and begun again, continual generation, thus play the process of continuous desulfurization denitration.And the full poisonous adsorbent that closes will get into regeneration reactors 12 through saturated activity charcoal conveyer 10 and carry out Regeneration Treatment, can pass through clean active carbon conveyer 11 through the adsorbent of Regeneration Treatment, is transported to adsorption tower 5, reuses.
9. desulfurization denitration method according to claim 8 is characterized in that, full regenerable sorbent of closing with sulfur dioxide wherein, changes into sulfurous acid, sulfuric acid and thiamines through the byproduct device in regeneration, recycles regeneration sulphur resource.
10. steel design, manufacturing materials is a steel eyelet sieve plate.Interior dress active carbon 22 is characterized in that AB=250mm～400mm.
11. steel design according to claim 10 is characterized in that, is used to carry adsorbent, so that adsorbents adsorb gas.
12. by a plurality of claims 2,8,10,11 described steel design, interior dress active carbon 22 is characterized in that, is the adsorption module that 3～5 layers of arrangement form.
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| CN2011102443890A CN102423604A (en) | 2011-08-25 | 2011-08-25 | Combined type flue gas desulfurization and denitration device |
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|---|---|---|---|
| CN2011102443890A CN102423604A (en) | 2011-08-25 | 2011-08-25 | Combined type flue gas desulfurization and denitration device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674488A (en) * | 2012-05-24 | 2012-09-19 | 首钢总公司 | Method and device for treating saline wastewater |
| CN102794080A (en) * | 2012-08-30 | 2012-11-28 | 北京国电清新环保技术股份有限公司 | Method and device for comprehensively treating pollutants jointly aiming at waste heat recovery of flue gas in coke oven |
| CN105716436A (en) * | 2016-03-24 | 2016-06-29 | 南通万达锅炉有限公司 | Mine heat furnace kiln waste heat recycling system |
| CN109224803A (en) * | 2018-09-29 | 2019-01-18 | 中国科学院过程工程研究所 | A kind of flue gas purifying technique and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001170436A (en) * | 1999-12-21 | 2001-06-26 | Shinko Pantec Co Ltd | Gas treating device |
| CN101322896A (en) * | 2008-04-10 | 2008-12-17 | 毛炳军 | Vertical type high-efficient flue gas desulfurizing and denitrating apparatus |
| CN102145245A (en) * | 2010-02-05 | 2011-08-10 | 北京国电清新环保技术股份有限公司 | Large active coke convection/adsorption gas purifying system and purifying method |
| CN202315629U (en) * | 2011-08-25 | 2012-07-11 | 太原晋魂环保工程有限公司 | Combined type flue gas desulfurization and denitration device |
-
2011
- 2011-08-25 CN CN2011102443890A patent/CN102423604A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001170436A (en) * | 1999-12-21 | 2001-06-26 | Shinko Pantec Co Ltd | Gas treating device |
| CN101322896A (en) * | 2008-04-10 | 2008-12-17 | 毛炳军 | Vertical type high-efficient flue gas desulfurizing and denitrating apparatus |
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| CN102794080A (en) * | 2012-08-30 | 2012-11-28 | 北京国电清新环保技术股份有限公司 | Method and device for comprehensively treating pollutants jointly aiming at waste heat recovery of flue gas in coke oven |
| CN102794080B (en) * | 2012-08-30 | 2016-08-03 | 北京清新环境技术股份有限公司 | A kind of waste heat of coke-oven flue gas reclaims associating pollutant comprehensive processing method and device |
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| CN109224803A (en) * | 2018-09-29 | 2019-01-18 | 中国科学院过程工程研究所 | A kind of flue gas purifying technique and device |
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Application publication date: 20120425 |