CN108355471A - A kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column - Google Patents
A kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column Download PDFInfo
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- CN108355471A CN108355471A CN201810396387.5A CN201810396387A CN108355471A CN 108355471 A CN108355471 A CN 108355471A CN 201810396387 A CN201810396387 A CN 201810396387A CN 108355471 A CN108355471 A CN 108355471A
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- denitration
- active coke
- region
- bed
- desulfurization zone
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- 239000000571 coke Substances 0.000 title claims abstract description 135
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 114
- 230000023556 desulfurization Effects 0.000 claims abstract description 82
- 238000000746 purification Methods 0.000 claims abstract description 12
- 239000000779 smoke Substances 0.000 claims abstract description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 27
- 229910021529 ammonia Inorganic materials 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 8
- 238000012806 monitoring device Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 abstract description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 14
- 239000007789 gas Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 5
- 239000005864 Sulphur Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000004064 recycling Methods 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
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—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
- B01D53/08—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 according to the "moving bed" method
-
- 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
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—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
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- 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
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/404—Further details for adsorption processes and devices using four beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/41—Further details for adsorption processes and devices using plural beds of the same adsorbent in series
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Dispersion Chemistry (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention belongs to flue gases purification fields, are related to a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column, including purification tower, desulfurization zone and denitration region are transversely set side by side on the purification tower；The desulfurization zone includes desulfurization zone inlet plenum, desulfuration region active coke bed and desulfurization zone discharge chamber, and three's ecto-entad is set gradually；The top of the desulfurization zone inlet plenum is equipped with smoke inlet；The denitration region includes that denitration region inlet plenum, denitration region active coke bed and denitration region discharge chamber, three set gradually from inside to outside；The air inlet of the denitration region inlet plenum is connected to the gas outlet of the desulfurization zone discharge chamber by connecting pipe；The top of the denitration region discharge chamber is exported equipped with neat stress.The desulfurization zone of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column provided by the invention and denitration region are arranged side by side, and desulfuration region active coke input amount and denitration region active coke input amount can be separately adjustable, can efficient process pollutant concentration fluctuate big flue gas.
Description
Technical field
The invention belongs to flue gases purification field, it is related to a kind of column for smoke purification more particularly to a kind of cross-current type is in parallel
Moving-bed active coke desulphurization denitration purifying column.
Background technology
Active coke desulphurizing denitration technology is a kind of integrated dry method desulphurization denitration technology of recycling, principle be flue gas into
Enter adsorption tower, is uniformly transmitted through activated coke adsorption layer, the SO in adsorption layer2、NOxEqual pollutants are removed.In desulfurization and denitrification reaction
In, it is physical absorption and the recombination reaction that chemisorption is combined.Active coke desulphurizing denitration only needs a system can be same
When desulphurization denitration, it is simple for process, flow is smooth, compact in design.As dry process, great lot of water resources can be saved, and without useless
Water generates, and by-product sulfuric acid has higher utility value.Therefore, active coke desulphurizing denitration is that a kind of very promising desulfurization is de-
Nitre technology.
Currently, in practical engineering application, vertical bipolar system moving-bed active coke desulphurization denitration purifying column is mostly used greatly,
The activated coke bed of desulfurization zone and denitration region is connected, i.e. the activated coke of desulfurization zone settles down from denitration region.This purification
Tower has the following problems：First, the dosage of activated coke must be thrown according to desulfurization institute's expense and the desired amount of higher value of denitration
Enter, qualified desulfurization and denitration efficiency could be reached simultaneously, as SO in flue gas2And NOxConcentration mismatches, needed for desulfurization and denitration
When activated coke dosage difference is larger, it will cause the huge waste of activated coke；Secondly, as the SO in flue gas2And NOxFluctuation of concentration
When range is larger, the activated coke input amount that desulfurization and denitration need also can be fluctuated constantly, and the activated coke bed of tandem can not be real
When adjust desulfurization zone and denitration region activated coke dosage.
Invention content
In order to overcome above-mentioned the shortcomings of the prior art, the object of the present invention is to provide a kind of desulfurization zones and denitration region to live
Property coke input amount can be separately adjustable cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column, can efficient process pollutant it is dense
Degree fluctuates big flue gas.
To achieve the above object, the technical scheme is that a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration is net
Change tower, including purification tower, desulfurization zone and denitration region are transversely set side by side on the purification tower；
The desulfurization zone includes desulfurization zone inlet plenum, desulfuration region active coke bed and desulfurization zone discharge chamber, three's ecto-entad according to
Secondary setting；The desulfurization zone inlet plenum is connected with the desulfuration region active coke bed with the desulfurization zone discharge chamber；It is described de-
The top of sulphur area inlet plenum is equipped with smoke inlet；
The denitration region includes denitration region inlet plenum, denitration region active coke bed and denitration region discharge chamber, three from inside to outside according to
Secondary setting；The denitration region inlet plenum is connected with the denitration region active coke bed with the denitration region discharge chamber；It is described de-
The air inlet of nitre area inlet plenum is connected to the gas outlet of the desulfurization zone discharge chamber by connecting pipe；The denitration region discharge chamber
Top equipped with neat stress export.
Further, spray ammonia equipment is provided in the connecting pipe.
Further, the top of the desulfurization zone discharge chamber is equipped with SO2Concentration on-line monitoring device；The denitration region outlet
The top of room is equipped with NOx concentration on-Line Monitor Device.
Further, the top of the desulfuration region active coke bed is equipped with desulfuration region active coke feed hopper, the desulfurization zone
The bottom of activated coke bed is equipped with desulfuration region active coke discharge bucket.
Further, the top of the denitration region active coke bed is equipped with denitration region active coke feed hopper, the denitration region
The bottom of activated coke bed is equipped with denitration region active coke discharge bucket.
Further, it is used for and the desulfurization zone inlet plenum and the desulfurization zone outlet on the desulfuration region active coke bed
The connected side wall in room is disposed as shutter flase floor.
Further, it is used for and the denitration region inlet plenum and the denitration region outlet on the denitration region active coke bed
The connected side wall in room is disposed as shutter flase floor.
Further, desulfurization zone is equipped between the desulfuration region active coke discharge bucket and the bottom of the desulfurization zone discharge chamber
Runner.
Further, denitration region is equipped between the denitration region active coke discharge bucket and the bottom of the denitration region discharge chamber
Runner.
Compared with prior art, the invention has the advantages that：
（1）The desulfurization zone of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column provided by the invention and denitration region are set side by side
It sets, desulfuration region active coke input amount and denitration region active coke input amount can be separately adjustable, can the fluctuation of efficient process pollutant concentration
Big flue gas.
（2）Cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column provided by the invention can be according to SO in flue gas2
And NOxFluctuation of concentration, in real time it is independent adjustment desulfurization zone activated coke input amount and denitration region activated coke input amount；Work as cigarette
SO in gas2And NOxIt is independent to adjust desulfuration region active coke input amount and denitration region active coke in real time when fluctuation of concentration range is larger,
Activated coke dosage can be effectively saved, the huge waste for causing activated coke is avoided.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structure of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column provided in an embodiment of the present invention
Schematic diagram；
In figure：1, desulfurization zone, 11, smoke inlet, 12, desulfuration region active coke feed hopper, 13, desulfurization zone inlet plenum, 14, desulfurization zone
Activated coke bed, 15, desulfurization zone discharge chamber, 16, desulfuration region active coke discharge bucket, 17, desulfurization zone runner, 2, denitration region, 21, de-
Nitre area inlet plenum, 22, denitration region active coke feed hopper, 23, denitration region active coke discharge chamber, 24, denitration region active coke bed,
25, neat stress exports, and 26, denitration region active coke discharge bucket, 27, denitration region runner, 28, spray ammonia equipment, 3, connecting pipe.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column, packet
Purification tower is included, desulfurization zone 1 and denitration region 2 are transversely set side by side on the purification tower；
The desulfurization zone 1 includes desulfurization zone inlet plenum 13, desulfuration region active coke bed 14 and desulfurization zone discharge chamber 15, and three is by outer
Inwardly set gradually；The desulfurization zone inlet plenum 13 and the desulfurization zone discharge chamber 15 with the desulfuration region active coke bed 14
Conducting；The top of the desulfurization zone inlet plenum 13 is equipped with smoke inlet 11；
The denitration region 2 includes denitration region inlet plenum 21, denitration region active coke bed 24 and denitration region discharge chamber 23, and three is by interior
It sets gradually outward；The denitration region inlet plenum 21 and the denitration region discharge chamber 23 with the denitration region active coke bed 24
Conducting；The air inlet of the denitration region inlet plenum 21 is connected to the gas outlet of the desulfurization zone discharge chamber 15 by connecting pipe 3；
The top of the denitration region discharge chamber 23 is equipped with neat stress and exports 25.
Further, spray ammonia equipment 28 is provided in the connecting pipe 3.The middle part setting spray ammonia equipment of connecting pipe 3
28, spray ammonia equipment 28 includes spray ammonia pipe and nozzle.
Further, the top of the desulfurization zone discharge chamber 15 is equipped with SO2Concentration on-line monitoring device, to monitor work on-line
Property coke desulfurization effect；The top of the denitration region discharge chamber 23 is equipped with NOx concentration on-Line Monitor Device, to monitor activated coke on-line
Denitration effect.According to monitoring result, the activated coke input amount of desulfurization zone and denitration region can be adjusted in real time, is suitable in flue gas
SO2The larger situation with NOx concentration fluctuation range saves activated carbon
The cross-current type parallel connection that desulfurization zone provided in an embodiment of the present invention and denitration region active coke input amount can be adjusted independently in real time moves
Dynamic bed active coke desulphurization denitration purifying column, can be according to SO in flue gas2And NOxConcentration separately adjustable desulfurization zone and denitration region work
Property coke input amount, save activated coke dosage, and can be according to SO in flue gas2And NOxFluctuation of concentration adjust desulfurization zone and de- in real time
The activated coke input amount in nitre area, can efficient process pollutant concentration fluctuate big flue gas.
Further, the top of the desulfuration region active coke bed 14 is equipped with desulfuration region active coke feed hopper 12, described de-
The bottom of sulphur area activated coke bed 14 is equipped with desulfuration region active coke discharge bucket 16.Desulfuration region active coke discharge bucket 16 includes taper cloth
Glassware and drapery panel.
Fresh activity coke enters from desulfuration region active coke feed hopper 12 in desulfurization zone 1, is lived by desulfurization zone by gravity
Property coke bed layer 14 after be discharged from desulfuration region active coke discharge bucket 16, transport to activated coke regenerator is regenerated.
Further, the top of the denitration region active coke bed 24 is equipped with denitration region active coke feed hopper 22, described de-
The bottom of nitre area activated coke bed 24 is equipped with denitration region active coke discharge bucket 26.Denitration region active coke discharge bucket 26 includes taper cloth
Glassware and drapery panel.
Fresh activity coke enters from desulfuration region active coke feed hopper 22 in denitration region 2, is lived by denitration region by gravity
Property coke bed layer 24 after be discharged from denitration region active coke discharge bucket 26, transport to activated coke regenerator is regenerated.
Further, it is used for and the desulfurization zone inlet plenum 13 and the desulfurization zone on the desulfuration region active coke bed 14
The connected side wall of discharge chamber 15 is disposed as shutter flase floor.
Further, it is used for and the denitration region inlet plenum 21 and the denitration region on the denitration region active coke bed 24
The connected side wall of discharge chamber 23 is disposed as shutter flase floor.
Further, it is equipped between the desulfuration region active coke discharge bucket 16 and the bottom of the desulfurization zone discharge chamber 15 de-
Sulphur area runner 17.
Further, it is equipped between the denitration region active coke discharge bucket 26 and the bottom of the denitration region discharge chamber 23 de-
Nitre area runner 27.
It is as follows come the principle of purifying smoke using purifying column provided by the invention：
Flue gas enters purification tower from smoke inlet 11, enters desulfurization by the shutter flase floor of 13 both sides of desulfurization zone inlet plenum
Area's activated coke bed 14 carries out thick desulfurization, and the flue gas for completing desulfurization enters desulfurization zone by other side shutter flase floor respectively and goes out
Gas chamber 15 simultaneously goes successively to denitration region inlet plenum 21, and NH is mixed in flue gas by spraying ammonia equipment in this process3, ammonia is with ammonium hydroxide
Spraying or ammonia form exist；It is mixed into the blinds window grid that the flue gas of ammonia spraying or ammonia passes through 21 both sides of denitration region inlet plenum
Plate enters denitration region active coke bed 24 and carries out denitration, and the neat stress after denitration is entered de- by the shutter flase floor of the other side
Purifying column is discharged in nitre area discharge chamber 23, last self-cleaning exhanst gas outlet 25, and gas cleaning process terminates.Gone out in desulfurization zone by being arranged
The SO of gas chamber 152Concentration on-line monitoring equipment monitors the SO in flue gas in real time2Concentration, and adjust desulfurization zone in real time on this basis
The activated coke dosage of activated coke feed hopper 12；It is real-time by the way that NOx concentration on-line monitoring equipment in denitration region discharge chamber 25 is arranged
The NOx concentration in flue gas is monitored, and adjusts the activated coke dosage of denitration region active coke feed hopper 22 in real time on this basis.
The present invention uses two-layer configuration, is respectively set desulfurization zone and denitration region, and flue gas first carries out desulfurization and spray ammonia again being taken off
Nitre, it is possible to prevente effectively from SO2It is reacted with ammonia and generates ammonium sulfate, cause activated coke activity is abnormal to decline；And desulfurization zone and denitration region
Activated coke bed uses parallel-connection structure, i.e., desulfuration region active coke feed hopper 12 and denitration region active coke feed hopper 22 are independent launches newly
Fresh activated coke, rather than the scheme of the activated coke to be settled down using denitration region using the common desulfurization zone of the prior art, in this way
The benefit done is can be according to actual SO in flue gas2Control the activated coke dosage of desulfurization zone and denitration region respectively with NOx concentration,
The present invention can handle SO2The larger flue gas with NOx concentration difference, and activated coke dosage can be saved.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column, including purification tower, it is characterised in that：It is described net
Change and is transversely set side by side with desulfurization zone on tower body（1）And denitration region（2）；
The desulfurization zone（1）Including desulfurization zone inlet plenum（13）, desulfuration region active coke bed（14）With desulfurization zone discharge chamber（15）,
Three's ecto-entad is set gradually；The desulfurization zone inlet plenum（13）With the desulfurization zone discharge chamber（15）With the desulfurization zone
Activated coke bed（14）Conducting；The desulfurization zone inlet plenum（13）Top be equipped with smoke inlet（11）；
The denitration region（2）Including denitration region inlet plenum（21）, denitration region active coke bed（24）With denitration region discharge chamber（23）,
Three sets gradually from inside to outside；The denitration region inlet plenum（21）With the denitration region discharge chamber（23）With the denitration region
Activated coke bed（24）Conducting；The denitration region inlet plenum（21）Air inlet and the desulfurization zone discharge chamber（15）Gas outlet
Pass through connecting pipe（3）Connection；The denitration region discharge chamber（23）Top equipped with neat stress export（25）.
2. a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column as described in claim 1, it is characterised in that：Institute
State connecting pipe（3）Inside it is provided with spray ammonia equipment（28）.
3. a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column as described in claim 1, it is characterised in that：Institute
State desulfurization zone discharge chamber（15）Top be equipped with SO2Concentration on-line monitoring device；The denitration region discharge chamber（23）Top set
There is NOx concentration on-Line Monitor Device.
4. a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column as described in claim 1, it is characterised in that：Institute
State desulfuration region active coke bed（14）Top be equipped with desulfuration region active coke feed hopper（12）, the desulfuration region active coke bed
（14）Bottom be equipped with desulfuration region active coke discharge bucket（16）.
5. a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column as described in claim 1, it is characterised in that：Institute
State denitration region active coke bed（24）Top be equipped with denitration region active coke feed hopper（22）, the denitration region active coke bed
（24）Bottom be equipped with denitration region active coke discharge bucket（26）.
6. a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column as described in claim 1, it is characterised in that：Institute
State desulfuration region active coke bed（14）On for the desulfurization zone inlet plenum（13）With the desulfurization zone discharge chamber（15）It is connected
Side wall be disposed as shutter flase floor.
7. a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column as described in claim 1, it is characterised in that：Institute
State denitration region active coke bed（24）On for the denitration region inlet plenum（21）With the denitration region discharge chamber（23）It is connected
Side wall be disposed as shutter flase floor.
8. a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column as claimed in claim 4, it is characterised in that：Institute
State desulfuration region active coke discharge bucket（16）With the desulfurization zone discharge chamber（15）Bottom between be equipped with desulfurization zone runner（17）.
9. a kind of cross-current type parallel connection moving-bed active coke desulphurization denitration purifying column as claimed in claim 5, it is characterised in that：Institute
State denitration region active coke discharge bucket（26）With the denitration region discharge chamber（23）Bottom between be equipped with denitration region runner（27）.
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| CN201810396387.5A CN108355471B (en) | 2018-04-28 | 2018-04-28 | Active burnt SOx/NOx control purifying column of cross-flow type parallel moving bed |
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Cited By (2)
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| CN110286192A (en) * | 2019-06-28 | 2019-09-27 | 中冶南方都市环保工程技术股份有限公司 | The test method of activated coke circulation desulfurization denitration performance |
| CN110898608A (en) * | 2018-09-18 | 2020-03-24 | 中国石化工程建设有限公司 | System and method for adsorbing and purifying flue gas by using active coke |
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| CN110898608B (en) * | 2018-09-18 | 2022-02-08 | 中国石化工程建设有限公司 | System and method for adsorbing and purifying flue gas by using active coke |
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| CN108355471B (en) | 2024-09-24 |
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