CN106823728A - A kind of two step mass transfer wet desulphurization devices and its method - Google Patents
A kind of two step mass transfer wet desulphurization devices and its method Download PDFInfo
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- CN106823728A CN106823728A CN201710120019.3A CN201710120019A CN106823728A CN 106823728 A CN106823728 A CN 106823728A CN 201710120019 A CN201710120019 A CN 201710120019A CN 106823728 A CN106823728 A CN 106823728A
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- spraying layer
- mass transfer
- wet
- flue
- wet desulphurization
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- 238000012546 transfer Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005507 spraying Methods 0.000 claims abstract description 51
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000000779 smoke Substances 0.000 claims abstract description 16
- 239000011541 reaction mixture Substances 0.000 claims abstract description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 42
- 239000003546 flue gas Substances 0.000 claims description 42
- 239000007789 gas Substances 0.000 claims description 33
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 239000003595 mist Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 8
- 230000023556 desulfurization Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 4
- 230000003009 desulfurizing effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000008569 process Effects 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000010440 gypsum Substances 0.000 description 6
- 229910052602 gypsum Inorganic materials 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- AQGDXJQRVOCUQX-UHFFFAOYSA-N N.[S] Chemical compound N.[S] AQGDXJQRVOCUQX-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- 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
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/124—Liquid reactants
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention proposes a kind of two steps mass transfer wet desulphurization device and its method, the device includes wet desulfuration tower, flue and smoke inlet, the wet desulfuration tower top is installed by thick spraying layer, the thick spraying layer top sets demister, the wet desulphurization top of tower connects exhanst gas outlet, the wet desulphurization tower bottom sets reaction mixture pond, it is characterized in that, the flue is arranged on below thick spraying layer, wet desulfuration tower middle part more than reaction mixture pond liquid level, and thin spraying layer is installed in the flue inside.Desulfurizer of the invention takes two step mass transfers, greatly improves desulfuration efficiency, and can reduce operating cost.
Description
Technical field
The present invention relates to coal-fired flue-gas Wet Flue Gas Desulfurization Technique field, more particularly to a kind of two steps mass transfer wet desulphurization device and
Its method.
Background technology
The flue gas desulfurization process of fire coal for commonly using at present is with wet desulfurization of flue gas by limestone-gypsum method technique (abbreviation gypsum
Method) based on (account for about 95% or so), next to that ammonia flue gas desulfurization technique (abbreviation ammonia process).Either gypsum or ammonia process,
All there is bottleneck on desulfuration efficiency, in order to improve desulfuration efficiency, traditional technical measures have：Improve the height on absorption tower, increase
Plus spray layer number, the spray particle diameter of reduction spraying layer, raising liquid-gas ratio, raising calcium sulfur ratio (ratio of ammonia-sulfur), setting gas synergy
Device etc..
Wherein, the height on absorption tower is improved, is increased spray layer number, is improved liquid-gas ratio, operating cost can be caused significantly to increase
Plus；Too high or remaining in neat stress, the waste water ammonia of limestone content is excessive in improving calcium sulfur ratio and causing by-produced gypsum；
The spray particle diameter for reducing spraying layer is limited by cubic noodles part：(particle diameter is too low to cause drop to overcome gravity to liquid flooding gas velocity, with cigarette
Gas floats), the demisting ability of demister, drop collide with each other with combined offset reduction spray particle diameter effort, gypsum crystallization
Particle diameter (spray particle diameter can not be smaller than gypsum crystallization particle diameter).
Due to above economic condition, the limitation of technical conditions, in order to realize the minimum discharge of sulfur dioxide, people transfer to seek
Ask by setting gas enhancing device to improve desulfuration efficiency, such as orifice plate, pallet, rotation remittance coupling device etc. sacrifice a part
Gas phase drag, exchanges the raising of desulfuration efficiency for.
By taking above technical measures or combinations thereof, can only be dense by the sulfur dioxide in desulfurizing tower exiting flue gas
Degree is reduced to several milligrams per standard cubic meter, and desulfuration efficiency need to be improved.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of two steps mass transfer wet desulphurization device, including wet desulfuration tower,
Thick spraying layer is installed on flue and smoke inlet, the wet desulfuration tower top, and the thick spraying layer top sets demister, described
Wet desulphurization top of tower connects exhanst gas outlet, and the wet desulphurization tower bottom sets reaction mixture pond, it is characterised in that the cigarette
Road is arranged on below thick spraying layer, wet desulfuration tower middle part more than reaction mixture pond liquid level, and thin spray is installed in the flue inside
Drenching layer.
Further, the mist droplet particle size of the thick spraying layer injection is more than the milli of critical grain size 1.5 required by liquid flooding gas velocity
Rice.
Further, the thin spraying layer includes n injection apparatus, n >=1.
Further, the injection apparatus is single fluid atomizer/rifle or twin spray gun/mouth.
Further, the injection direction of the injection apparatus is identical with flow of flue gas direction, opposite or in a certain angle.
Further, the mist droplet particle size of the thin spraying layer injection is less than the milli of critical grain size 1.5 required by liquid flooding gas velocity
Rice.
Further, the demister is Flat defroster or ridge type demister or bundled tube demister.
Further, rotation remittance coupling device is installed in the wet desulfuration tower.
Further, sprayed more than, slightly on interface of the rotation remittance coupling device installed in wet desulfuration tower with flue
Position below drenching layer.
The present invention also provides a kind of method using the device desulfurization, comprises the following steps：
Step one, flue gas enter flue from smoke inlet, and the mist drop sprayed via thin spraying layer and thin spraying layer mixes,
Gas film mass transfer is carried out, the sulfur dioxide in flue gas is absorbed in the extremely short time；
The mixture of step 2, flue gas and mist drop enters wet desulfuration tower, the big droplets mixing sprayed with thick spraying layer,
Film mass transfer is carried out, the mist drop in flue gas is absorbed by the big drop；
Mist drop in step 3, the step 2 is integrated with big drop, lands under gravity.
A kind of two steps mass transfer wet desulphurization device of the present invention and its method have the beneficial effect that：Two step mass transfers are taken, greatly
Mass-transfer efficiency, desulfuration efficiency are improve, and operating cost can be reduced.
Brief description of the drawings
Fig. 1 is a kind of structural representation of two steps mass transfer wet desulphurization device in the present invention in embodiment 1；
Fig. 2 is the structural representation that apparatus of the present invention install rotation remittance coupling device.
In figure：1- wet desulfuration towers, 2- flues, 3- circulating pumps, the thick spraying layers of 4-, the thin spraying layers of 5-, 6- demisters, 7- gas
Membrane mass transfer area, 8- film mass transfers area, 9- reaction mixtures pond, 10- smoke inlets, 11- exhanst gas outlets, the import of 12- absorbing liquids, 13-
Rotation remittance coupling device, 14- injection apparatus.
Specific embodiment
The specific embodiment to a kind of two steps mass transfer wet desulphurization device of the present invention and its method is entered below in conjunction with the accompanying drawings
Row is described in detail, and the embodiment is only illustrative of the invention and is not intended to limit the scope of the invention, those skilled in the art couple
The modification of the various equivalent form of values of the invention falls within the application appended claims limited range.
The gas film mass transfer carried out simultaneously in conventional wet desulfurization, film mass transfer process are split as two by two step mass transfer technologies
The processing step for independently carrying out.Air film is increased substantially using very small liquid-drop diameter, very big liquid specific surface area
The efficiency of mass transport process.Parcel, the recovery to droplet are completed using larger liquid-drop diameter, it is to avoid droplet follows flue gas to escape
In escaping to air, while completing film mass transfer process.
Embodiment 1
As shown in figure 1, a kind of two steps mass transfer wet desulphurization device, including wet desulfuration tower 1, the bottom of wet desulfuration tower 1 sets
Reaction mixture pond 9 is put, thick spraying layer 4 is installed on top, and the mist droplet particle size of the injection of thick spraying layer 4 is more than facing required by liquid flooding gas velocity
1.5 millimeters of boundary's particle diameter, the top of thick spraying layer 4 sets demister 6, demister 6 be Flat defroster or ridge type demister or
Bundled tube demister, the top of wet desulfuration tower 1 connection exhanst gas outlet 11；The middle part of wet desulfuration tower 1 connection flue 2, flue 2 is located at
Thick spraying layer is below 4, more than the liquid level of reaction mixture pond 9, and the angle between the axis of flue 2 and the axis of desulfurizing tower 1 is small
In equal to 90 °, thin spraying layer 5 is installed in the inside of flue 2, and thin spraying layer 5 includes n injection apparatus, n >=1, in the present embodiment, n=
3, thin spraying layer 5 can spray along flow of flue gas direction, meet the anti-injection or in a certain angle with cigarette airflow direction of flow of flue gas
Injection, thin spraying layer 5 is made up of single fluid atomizer/rifle or is made up of twin spray gun/mouth, and thin spraying layer 5 sprays
Mist droplet particle size less than 1.5 millimeters of critical grain size required by liquid flooding gas velocity, in the present embodiment, the water smoke of the injection of thin spraying layer 5
Size droplet diameter be less than 100 microns, with very big number of mass transfer unit, in absorbing flue gas within the extremely short time
Sulfur dioxide.Flue 2 is connected with smoke inlet 10, absorbing liquid import 12 respectively, and the outside of wet desulfuration tower 1 sets circulating pump 3, follows
The entrance of ring pump 3 is connected with reaction mixture pond 9, and outlet is connected with thick spraying layer 4.
Comprised the following steps using the sulfur method of the device：Step one, flue gas enter flue from smoke inlet, via thin
The water smoke that spraying layer sprays with thin spraying layer mixes, and carries out gas film mass transfer, and the sulfur dioxide in flue gas is absorbed in the extremely short time；
The mixture of step 2, flue gas and mist drop enters wet desulfuration tower, and the big droplets mixing sprayed with thick spraying layer carries out liquid film
Mass transfer, the mist drop in flue gas is absorbed by the big drop；Mist drop in step 3, the step 2 is combined into big drop
Integrally, land under gravity.
Liquid flooding gas velocity is exactly the gas velocity size that can cause liquid flooding.Separated in the gas-liquid reaction device or mass transfer of counter current contacting and set
In standby, gas flows from the bottom up.When the flow velocity of gas increases to a certain numerical value, liquid is stopped by gas and can not flowed downward,
More product the more, is finally overflowed, referred to as liquid flooding from tower top.
The course of work of the invention is, the flue gas from boiler enters flue 2 from smoke inlet 10, and absorbing liquid is from absorbing liquid
Entrance 12 enters flue 2, and water smoke is injected into via thin spraying layer 5, and water smoke is injected into inside flue 2, with the cigarette for flowing through flue 2
Gas mixes, and the size droplet diameter of the water smoke of the injection of thin spraying layer 5 is less than 100 microns, with very big number of mass transfer unit, so as to
In the sulfur dioxide that flue gas enters in absorbing flue gas in the extremely short time of wet desulfuration tower 1 via flue 2, this region is air film
Mass-transfer zone 7, simultaneously as size droplet diameter is sufficiently small, flue gas is enough to offset gravity to its drag force, and drop can not fall, gather
Collection, and be generally evenly distributed in flue gas, flowed with the flowing of flue gas；Fumes cross gas film mass transfer area 7, the titanium dioxide in flue gas
Sulphur is absorbed by water mists and leaves gas phase, and circulating pump 3 extracts solution or slurries from reaction mixture pond 9, is delivered to after pressurization thick
Spraying layer 4, water smoke is injected into via thick spraying layer 4, and the size droplet diameter of the water smoke of thick spraying layer injection is more than 1.5 millimeters, flue gas
Its drag force is not enough to offset gravity, therefore drop lands under gravity, falls into reaction mixture pond 9, gas film mass transfer area 7
Absorption efficiency to sulfur dioxide in flue gas is 80-100%.
The mixture of the flue gas and the water mists that enter from flue 2, gas film mass transfer area 7 into wet desulfuration tower 1, and from upper past
The bulky grain drop of lower landing meets, and water mists collide big drop, so as to by big drop absorption, water mists are combined into big drop
Integrally, land under gravity.Film mass transfer process is completed simultaneously in film mass transfer area 8, and flue gas is in wet desulfuration tower 1
Flow from bottom to top, through film mass transfer area 8, mist drop in flue gas by the big drop that thick spraying layer 4 sprays absorb and from
Flue gas is opened, 8 pairs, the film mass transfer area transformation efficiency of the sulfur dioxide absorbed via gas film mass transfer area 7 is 90-100%.
A part of particle diameter formed in the course of injection of thick spraying layer 4 and during drop and flue gas reverse flow compared with
Small drop, can follow flue gas to move upwards, pass through thick spraying layer 4, arrive at demister 6, demister 6 this partial drop from
Removed in flue gas, after fumes cross demister 6, sulfur dioxide therein, water mists, drop are obtained for removing, from flue gas
Entrance 11 enters air.
The absorbing liquid used in the present invention is the one kind or several in clear water, ammoniacal liquor, aqua calcis, sodium hydroxide solution
Kind, or other alkaline solutions, needed to be chosen according to technique by the technical staff being embodied.
Embodiment 2
Such as Fig. 2, rotation remittance coupling device 13, the rotation remittance coupling device peace can also be installed in wet desulfuration tower of the invention
In the wet desulfuration tower 1, on wet desulfuration tower 1 and the interface of flue 2 more than, thick spraying layer is below 4.Rotation converges and couples dress
Putting 13 has desulfidation, installs after rotation remittance coupling device 13, can further improve desulfuration efficiency of the invention.
Orifice plate or pallet can also be installed in wet desulfuration tower of the invention.Orifice plate or pallet, with rotation remittance coupling device
Installation site is identical with application method.
Compared with prior art, can be by the sulfur dioxide in wet desulfuration tower exiting flue gas using desulfurizer of the invention
Concentration is further decreased to several micrograms from several milligrams per standard cubic meter per standard cubic meter, drastically increases desulfuration efficiency.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the invention, various letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
Claims (10)
1. a kind of two steps mass transfer wet desulphurization device, including wet desulfuration tower (1), flue (2) and smoke inlet (10) are described wet
Thick spraying layer (4) is installed on method desulfurizing tower (1) top, and thick spraying layer (4) top sets demister (6), the wet desulphurization
Tower (1) top connection exhanst gas outlet (11), wet desulfuration tower (1) bottom sets reaction mixture pond (9), it is characterised in that
The flue (2) is arranged on wet desulfuration tower (1) middle part of the thick spraying layer (4) below, more than reaction mixture pond (9) liquid level, institute
State and thin spraying layer (5) is installed inside flue (2).
2. two steps mass transfer wet desulphurization device according to claim 1, it is characterised in that thick spraying layer (4) injection
Mist droplet particle size more than 1.5 millimeters of critical grain size required by liquid flooding gas velocity.
3. two steps mass transfer wet desulphurization device according to claim 1, it is characterised in that the thin spraying layer (5) is including n
Individual injection apparatus (14), n >=1.
4. two steps mass transfer wet desulphurization device according to claim 3, it is characterised in that the injection apparatus (14) is list
Fluid atomizing nozzle/rifle or twin spray gun/mouth.
5. two step mass transfer wet desulphurization devices according to claim 3 or 4, it is characterised in that the injection apparatus (14)
Injection direction it is identical with flow of flue gas direction, opposite or in a certain angle.
6. two step mass transfer wet desulphurization devices according to claim 1 or 3, it is characterised in that thin spraying layer (5) spray
The mist droplet particle size penetrated is less than 1.5 millimeters of critical grain size required by liquid flooding gas velocity.
7. two steps mass transfer wet desulphurization device according to claim 1, it is characterised in that the demister (6) is flat board
Formula demister or ridge type demister or bundled tube demister.
8. two steps mass transfer wet desulphurization device according to claim 1, it is characterised in that in the wet desulfuration tower (1)
Rotation remittance coupling device (13) is installed.
9. two steps mass transfer wet desulphurization device according to claim 8, it is characterised in that the rotation converges coupling device (13)
On the interface of wet desulfuration tower (1) and flue (2) more than, thick spraying layer (4) following position.
10. a kind of method using the device desulfurization, it is characterised in that comprise the following steps：
Step one, flue gas enter flue 2 from smoke inlet 10, and the mist drop sprayed via thin spraying layer 5 and thin spraying layer 5 is mixed
Close, carry out gas film mass transfer, the sulfur dioxide in flue gas is absorbed in the extremely short time；
The mixture of step 2, flue gas and mist drop enters wet desulfuration tower 1, and the big droplets mixing sprayed with thick spraying layer 4 enters
Row film mass transfer, the mist drop in flue gas is absorbed by the big drop；
Mist drop in step 3, the step 2 is integrated with big drop, lands under gravity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710120019.3A CN106823728A (en) | 2017-03-02 | 2017-03-02 | A kind of two step mass transfer wet desulphurization devices and its method |
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| CN201710120019.3A CN106823728A (en) | 2017-03-02 | 2017-03-02 | A kind of two step mass transfer wet desulphurization devices and its method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321161A (en) * | 2017-08-04 | 2017-11-07 | 江苏科行环保科技有限公司 | A kind of single column desulfurization cooperates with dedusting minimum discharge device |
| CN108211755A (en) * | 2018-02-02 | 2018-06-29 | 江西铜业股份有限公司 | SO in a kind of removing flue gas2And the device and technique of acid mist |
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2017
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|---|---|---|---|---|
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|---|---|---|---|---|
| CN107321161A (en) * | 2017-08-04 | 2017-11-07 | 江苏科行环保科技有限公司 | A kind of single column desulfurization cooperates with dedusting minimum discharge device |
| CN108211755A (en) * | 2018-02-02 | 2018-06-29 | 江西铜业股份有限公司 | SO in a kind of removing flue gas2And the device and technique of acid mist |
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Application publication date: 20170613 |