CN106334442A - Liquid-phase desulphurization device and method for electrolytic aluminum flue gas - Google Patents
Liquid-phase desulphurization device and method for electrolytic aluminum flue gas Download PDFInfo
- Publication number
- CN106334442A CN106334442A CN201610992959.7A CN201610992959A CN106334442A CN 106334442 A CN106334442 A CN 106334442A CN 201610992959 A CN201610992959 A CN 201610992959A CN 106334442 A CN106334442 A CN 106334442A
- Authority
- CN
- China
- Prior art keywords
- liquid
- electrolytic aluminum
- demister
- desulphurization
- fume
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003546 flue gas Substances 0.000 title claims abstract description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 239000007791 liquid phase Substances 0.000 title abstract 3
- 239000007788 liquid Substances 0.000 claims abstract description 36
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000889 atomisation Methods 0.000 claims abstract description 12
- 239000002699 waste material Substances 0.000 claims abstract description 8
- 230000001172 regenerating effect Effects 0.000 claims abstract description 7
- 238000006477 desulfuration reaction Methods 0.000 claims description 46
- 239000000779 smoke Substances 0.000 claims description 40
- 230000023556 desulfurization Effects 0.000 claims description 25
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 239000011593 sulfur Substances 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 11
- 239000010808 liquid waste Substances 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000006386 neutralization reaction Methods 0.000 claims description 7
- 238000004062 sedimentation Methods 0.000 claims description 7
- 235000019504 cigarettes Nutrition 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 206010022000 influenza Diseases 0.000 claims description 3
- 238000010563 solid-state fermentation Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 abstract description 4
- 239000003517 fume Substances 0.000 abstract 10
- 239000004411 aluminium Substances 0.000 description 10
- 230000005611 electricity Effects 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 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
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 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
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
- B01D2255/2022—Potassium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
- B01D2255/2025—Lithium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
- B01D2255/2027—Sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2045—Calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2047—Magnesium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20792—Zinc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a liquid-phase desulphurization device and method for electrolytic aluminum flue gas. The desulphurization device comprises a desulphurization fume channel connected with an electrolytic aluminum fume purifying system, the desulphurization fume channel is connected with an induced draft fan, an atomization device is arranged inside the desulphurization fume channel, the outlet of the desulphurization fume channel is provided with a demister; the atomization device is connected with a liquid-storage tank; the demister is provided with a liquid outlet and a fume outlet, wherein the liquid outlet is used for connecting with a waste liquid processing device, and the fume outlet is used for communicating with the outside. The desulphurization method comprises the following steps of 1, preparing desulphurizing liquid; 2, fully mixing the desulphurizing liquid after atomization with fume containing sulphur; 3, conducting demisting treatment to separate waste liquid; 4, treating the waste liquid; 5, regenerating the desulphurizing liquid. The liquid-phase desulphurization device for electrolytic aluminum flue gas can directly conduct matching connection with the current electrolytic aluminum fume purifying system, cost of investment and operation is low, influence on prior electrolytic aluminum fume purifying system is small, and desulphurization efficiency is high.
Description
Technical field
The present invention relates to a kind of electrolytic aluminum smoke liquid desulfuration device and method, belong to flue gas purifying equipment field.
Background technology
In aluminum electrolysis industry, aluminium electrolysis process is with alumina melt as electrolyte, carries out electricity with carbon materials for electrode
Solution, separates out the metallic aluminium of liquid on negative electrode, produces with co on anode2Based on anodic gas.Simultaneously because anode carbon block
In contain s element, except containing in addition to hydrogen fluoride, fluoride, dust therefore in electrolytic aluminum smoke, also contain so2.Former electrolytic aluminium
Technique used anode carbon block s constituent content is low, so in electrolytic aluminum smoke2Concentration relatively low, so the electricity of foundation before
The all no desulfurization of solution aluminium flue gas purification system are equipped.But in the anode carbon block being used by electrolytic aluminium at present sulfur content is increasingly
Height, leads to so in electrolytic aluminum smoke2Concentration also increase.According to so in calculating current electrolysis aluminium flue gas2Concentration be generally
200-300mg/nm3.
" the aluminum i ndustry pollutant row promulgating according to " aluminum i ndustry pollutant emission standard " (gb25465-2010) and 2014
Put standard " amendment is it is desirable in key area by so2Concentration control in 100 mg/nm3Below it is therefore desirable to electrolytic aluminium cigarette
Gas carries out desulfurization process.
Electrolytic aluminum smoke has the characteristics that exhaust gas volumn is big, relatively low containing sulphur concentration, therefore adopts Gypsum Wet
During sulfur removal technology, desulphurization system floor space is big, system operation whole efficiency is relatively low, operating cost is high.External electrolytic aluminium factory is general
Build by the sea, the technique of therefore commonly used sea water desulfuration.But domestic electrolytic aluminium factory, due to electricity price factor, typically will be electrolysed
Aluminium manufacturer builds in the relatively low inland of grid electricity fee cost, does not possess the condition of sea water desulfuration.It is thus desirable to being directed to China's aluminum electrolysis industry
Actual conditions, develop new electrolytic aluminum smoke sulfur method and equipment.
Content of the invention
In order to solve the above problems, the invention provides a kind of electrolytic aluminum smoke liquid desulfuration device and method, concrete skill
Art scheme is:
A kind of electrolytic aluminum smoke liquid desulfuration device, including the desulfurization duct for being connected with electrolytic aluminum smoke cleaning system, institute
State desulfurization duct and be connected with air-introduced machine, inside desulfurization duct, be provided with atomising device, the outlet of desulfurization duct is provided with demister；Institute
State atomising device and be connected with receiver；Described demister is provided with leakage fluid dram and exhaust opening, and leakage fluid dram is used for and liquid waste processing dress
Put connection, exhaust opening is used for and ft connection.
Further, it is provided with multigroup atomising device inside described desulfurization duct.
Further, described atomising device is before air-introduced machine, inside air-introduced machine, or after air-introduced machine.
Further, described atomising device is that reflux pump atomising device, compressed air atomising device or ultrasonic fog are disguised
Put.
Further, described desulfurization duct rear portion is connected with multiple branch flues, and each branch flue is equipped with air-introduced machine, and often
Individual branch flue is all connected to demister.
Further, the bottom of described air-introduced machine is provided with leakage fluid dram, and leakage fluid dram is used for being connected with liquid waste treating apparatus.
Further, described liquid waste treating apparatus include neutralization pond, sedimentation basin and the Solid state fermentation device being sequentially connected, institute
State neutralization pond and be connected with lye tank (vat), described sedimentation basin is connected to receiver by circulation line.
Further, described demister is deentrainment tower, is provided with demister, described exhaust opening is and deentrainment tower in deentrainment tower
The smoke exhaust barrel connecting.
Further, described demister is chimney, is provided with demister inside chimney.
A kind of electrolytic aluminum smoke liquid desulfuration method, comprises the following steps:
1) prepare doctor solution, described doctor solution is water or the solution mixed with catalyst, described catalyst is fe+x、mn+x、zn+x、ca+x、na+x、ka+x、mg+x、li+x、al+xOne or more of mixture；
2) it is sufficiently mixed after the doctor solution atomization of step 1) with sulfur-containing smoke gas, absorb sulfur-bearing cigarette using the doctor solution after atomization
So in gas2；
3) by step 2) obtain be mixed with atomization doctor solution flue gas carry out demisting process, isolate waste liquid；
4) the waste water utilization alkali lye that step 3) obtains is neutralized process, and precipitated impurities, obtain regenerative sulfur binding liquid；
5) the regenerative sulfur binding liquid that step 4) obtains is recycled to step 1) to be reused.
The beneficial point of the present invention is: the present invention is directed to feature and the present situation that domestic electrolytic aluminum smoke purifies, there is provided one
Plant new electrolytic aluminum smoke desulfurizer, this device both can be applicable to newly-built flue gas purification system desulfurization, also apply be applicable to existing
There is the desulfurizing fly ash of electrolytic aluminum smoke cleaning system.When being applied to the transformation of existing electrolytic aluminum smoke desulphurization system it is not necessary to right
Existing system capital equipment is modified and is changed, and directly can carry out supporting connection with existing electrolytic aluminum smoke cleaning system, throw
Money and operating cost are low, former electrolytic aluminum smoke cleaning system are affected little, desulfuration efficiency is high.
The carrying out practically principle of this programme is to enter desulfurization duct through electrolytic aluminum smoke cleaning system sulfur-containing smoke gas out
Interior, it is stored in the atomizer that the water in receiver or the doctor solution containing catalyst enter in desulfurization duct simultaneously, produce spraying.Spraying
Mix in desulfurization duct with sulfur-containing smoke gas, and mixed effect is strengthened by the high-speed rotation of draught fan impeller, spraying is in flue gas
Sulphur content fully absorbed after, carry out preliminary aerosol using centrifugal force in air-introduced machine and separate, finally enter in demister
Row demisting.The sulphur-bearing waste solution isolated is entered in neutralization pond and is neutralized with alkaline reaction, and enter be settled out in sedimentation basin residual
Slag, the water after precipitation or doctor solution are recycled in receiver and reuse, and waste residue can reclaim after filtration and squeezing are processed
Using.
In sulfur method disclosed by the invention, carry out desulfurization using the doctor solution containing catalyst, be conducive in flue gas
So2To so3Conversion, improves its absorption rate, reinforcing desulfuration effect.Doctor solution can regenerate after alkali lye neutralization with precipitation
And reuse, reduce operating cost.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, also may be used
So that other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of embodiment 1 in the present invention；
Fig. 2 is the structural representation of embodiment 2 in the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Embodiment 1:
A kind of as shown in Figure 1 electrolytic aluminum smoke liquid desulfuration device, including for being connected with electrolytic aluminum smoke cleaning system 1
Desulfurization duct 2, described desulfurization duct 2 is connected with air-introduced machine 6, is provided with atomising device 3 inside desulfurization duct 2, the going out of desulfurization duct 2
Mouth is provided with demister 5；Described atomising device 3 is connected with receiver 4；Described demister 5 is provided with leakage fluid dram and exhaust opening, row
Liquid mouth is used for being connected with liquid waste treating apparatus, and exhaust opening is used for and ft connection.
It is provided with multigroup atomising device 3 inside described desulfurization duct 2.
Described atomising device 3 is before air-introduced machine 6, inside air-introduced machine 6, or after air-introduced machine 6.
Described atomising device 3 is reflux pump atomising device, compressed air atomising device or supersonic atomizer.
Described desulfurization duct 2 rear portion is connected with multiple branch flues 13, and each branch flue 13 is equipped with air-introduced machine 6, and each
Branch flue 13 is all connected to demister 5.
The bottom of described air-introduced machine 6 is provided with leakage fluid dram, and leakage fluid dram is used for being connected with liquid waste treating apparatus.
Described liquid waste treating apparatus include neutralization pond 8, sedimentation basin 9 and the Solid state fermentation device 10 being sequentially connected, described in
It is connected with lye tank (vat) 11 with pond 8, described sedimentation basin 9 is connected to receiver 4 by circulation line 12.
Described demister 5 is deentrainment tower, is provided with demister 7, described exhaust opening is to be connected with deentrainment tower in deentrainment tower
Smoke exhaust barrel 14.
Embodiment 2:
As shown in Fig. 2 on the basis of embodiment 1, described demister 5 is chimney, and demister 7 is in chimney.
Embodiment 3:
A kind of electrolytic aluminum smoke liquid desulfuration method, comprises the following steps:
1) prepare doctor solution, described doctor solution is water or the solution mixed with catalyst, described catalyst is fe+x、mn+x、zn+x、ca+x、na+x、ka+x、mg+x、li+x、al+xOne or more of mixture；
2) it is sufficiently mixed after the doctor solution atomization of step 1) with sulfur-containing smoke gas, absorb sulfur-bearing cigarette using the doctor solution after atomization
So in gas2；
3) by step 2) obtain be mixed with atomization doctor solution flue gas carry out demisting process, isolate waste liquid；
4) the waste water utilization alkali lye that step 3) obtains is neutralized process, and precipitated impurities, obtain regenerative sulfur binding liquid；
5) the regenerative sulfur binding liquid that step 4) obtains is recycled to step 1) to be reused.
Claims (10)
1. a kind of electrolytic aluminum smoke liquid desulfuration device, including the desulfurization duct for being connected with electrolytic aluminum smoke cleaning system,
It is characterized in that: described desulfurization duct is connected with air-introduced machine, is provided with atomising device inside desulfurization duct, and the outlet of desulfurization duct sets
There is demister；Described atomising device is connected with receiver；Described demister is provided with leakage fluid dram and exhaust opening, and leakage fluid dram is used for
It is connected with liquid waste treating apparatus, exhaust opening is used for and ft connection.
2. electrolytic aluminum smoke liquid desulfuration device according to claim 1 it is characterised in that: set inside described desulfurization duct
There is multigroup atomising device.
3. electrolytic aluminum smoke liquid desulfuration device according to claim 2 it is characterised in that: described atomising device is located at drawing
Before blower fan, inside air-introduced machine, or after air-introduced machine.
4. electrolytic aluminum smoke liquid desulfuration device according to claim 2 it is characterised in that: described atomising device be backflow
Pump atomising device, compressed air atomising device or supersonic atomizer.
5. electrolytic aluminum smoke liquid desulfuration device according to claim 1 it is characterised in that: described desulfurization duct rear portion is even
It is connected to multiple branch flues, each branch flue is equipped with air-introduced machine, and each branch flue is all connected to demister.
6. electrolytic aluminum smoke liquid desulfuration device according to claim 5 it is characterised in that: the bottom of described air-introduced machine sets
There is leakage fluid dram, leakage fluid dram is used for being connected with liquid waste treating apparatus.
7. electrolytic aluminum smoke liquid desulfuration device according to claim 6 it is characterised in that: described liquid waste treating apparatus bag
Include the neutralization pond being sequentially connected, sedimentation basin and Solid state fermentation device, described neutralization pond is connected with lye tank (vat), and described sedimentation basin passes through
Circulation line is connected to receiver.
8. electrolytic aluminum smoke liquid desulfuration device according to claim 1 it is characterised in that: described demister be demisting
Tower, is provided with demister in deentrainment tower, described exhaust opening is the smoke exhaust barrel being connected with deentrainment tower.
9. electrolytic aluminum smoke liquid desulfuration device according to claim 1 it is characterised in that: described demister be cigarette
Chimney, is provided with demister inside chimney.
10. a kind of electrolytic aluminum smoke liquid desulfuration method is it is characterised in that comprise the following steps:
1) prepare doctor solution, described doctor solution is the solution mixed with catalyst, described catalyst is fe+x、mn+x、zn+x、ca+x、na+x、ka+x、mg+x、li+x、al+xIn one or more of mixture；
2) it is sufficiently mixed after the doctor solution atomization of step 1) with sulfur-containing smoke gas, absorb sulfur-bearing cigarette using the doctor solution after atomization
So in gas2；
3) by step 2) obtain be mixed with atomization doctor solution flue gas carry out demisting process, isolate waste liquid；
4) the waste water utilization alkali lye that step 3) obtains is neutralized process, and precipitated impurities, obtain regenerative sulfur binding liquid；
5) the regenerative sulfur binding liquid that step 4) obtains is recycled to step 1) to be reused.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992959.7A CN106334442A (en) | 2016-11-11 | 2016-11-11 | Liquid-phase desulphurization device and method for electrolytic aluminum flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992959.7A CN106334442A (en) | 2016-11-11 | 2016-11-11 | Liquid-phase desulphurization device and method for electrolytic aluminum flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106334442A true CN106334442A (en) | 2017-01-18 |
Family
ID=57841787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610992959.7A Pending CN106334442A (en) | 2016-11-11 | 2016-11-11 | Liquid-phase desulphurization device and method for electrolytic aluminum flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106334442A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497259A (en) * | 2017-08-30 | 2017-12-22 | 昆明理工大学 | A kind of ultrasonic atomization catalytic oxidative desulfurization low concentration SO2Method |
| CN109453641A (en) * | 2018-12-29 | 2019-03-12 | 西安科技大学 | Underground coal mine ultrasonic atomization desulfurizing device |
| CN111330439A (en) * | 2020-03-25 | 2020-06-26 | 韩建英 | Catalytic oxidation desulfurization method for ship flue gas |
| CN111434370A (en) * | 2019-01-15 | 2020-07-21 | 沈阳铝镁设计研究院有限公司 | Electrolytic aluminum flue gas desulfurization process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791511A (en) * | 2010-03-30 | 2010-08-04 | 山东大学 | Process and system for ammonia spraying flue gas desulfurization and sulfur dioxide recovery |
| CN102000494A (en) * | 2010-12-17 | 2011-04-06 | 秦皇岛双轮环保科技有限公司 | Method for desulfurizing sintering machine flue gas by magnesium strengthened line-gypsum |
| CN102357337A (en) * | 2011-10-17 | 2012-02-22 | 湖北双环科技股份有限公司 | Desulphurization technology through sodium-calcium dual-alkali method |
| EP2829315A2 (en) * | 2008-01-31 | 2015-01-28 | Lummus Technology Inc. | Contaminant removal from a gas stream |
| CN105498432A (en) * | 2016-02-02 | 2016-04-20 | 徐彬 | Dusty gas dedusting method and device |
| CN105833696A (en) * | 2016-05-06 | 2016-08-10 | 陈佐会 | Ultrasonic desulfuration, denitration and dust removal method |
| CN206184258U (en) * | 2016-11-11 | 2017-05-24 | 焦作和信冶金科技有限责任公司 | Electrolytic aluminum flue gas liquid phase desulphurization unit |
-
2016
- 2016-11-11 CN CN201610992959.7A patent/CN106334442A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2829315A2 (en) * | 2008-01-31 | 2015-01-28 | Lummus Technology Inc. | Contaminant removal from a gas stream |
| CN101791511A (en) * | 2010-03-30 | 2010-08-04 | 山东大学 | Process and system for ammonia spraying flue gas desulfurization and sulfur dioxide recovery |
| CN102000494A (en) * | 2010-12-17 | 2011-04-06 | 秦皇岛双轮环保科技有限公司 | Method for desulfurizing sintering machine flue gas by magnesium strengthened line-gypsum |
| CN102357337A (en) * | 2011-10-17 | 2012-02-22 | 湖北双环科技股份有限公司 | Desulphurization technology through sodium-calcium dual-alkali method |
| CN105498432A (en) * | 2016-02-02 | 2016-04-20 | 徐彬 | Dusty gas dedusting method and device |
| CN105833696A (en) * | 2016-05-06 | 2016-08-10 | 陈佐会 | Ultrasonic desulfuration, denitration and dust removal method |
| CN206184258U (en) * | 2016-11-11 | 2017-05-24 | 焦作和信冶金科技有限责任公司 | Electrolytic aluminum flue gas liquid phase desulphurization unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497259A (en) * | 2017-08-30 | 2017-12-22 | 昆明理工大学 | A kind of ultrasonic atomization catalytic oxidative desulfurization low concentration SO2Method |
| CN109453641A (en) * | 2018-12-29 | 2019-03-12 | 西安科技大学 | Underground coal mine ultrasonic atomization desulfurizing device |
| CN109453641B (en) * | 2018-12-29 | 2023-12-19 | 西安科技大学 | Underground coal mine ultrasonic atomization sulfur removal device |
| CN111434370A (en) * | 2019-01-15 | 2020-07-21 | 沈阳铝镁设计研究院有限公司 | Electrolytic aluminum flue gas desulfurization process |
| CN111330439A (en) * | 2020-03-25 | 2020-06-26 | 韩建英 | Catalytic oxidation desulfurization method for ship flue gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106334442A (en) | Liquid-phase desulphurization device and method for electrolytic aluminum flue gas | |
| CN103785255A (en) | Efficient fuel gas treatment system for boiler | |
| CN104785091B (en) | A kind of method and device of fuming furnace sulfur-containing tail gas depth emission reduction | |
| CN109045989A (en) | A kind of zinc oxide desulfurization new process | |
| CN108975570A (en) | A kind of device and method handling industrially desulfurized waste water using stack gases | |
| CN102794092A (en) | Fire coal flue gas wet method energy-saving desulfurization method | |
| CN206881489U (en) | A kind of boiler desulfurization absorption plant of flue gas deep purifying | |
| CN205832930U (en) | Coking type smoke pollutant removal and flue gas regenerative apparatus and coking smoke processing system | |
| CN103791510A (en) | Boiler flue gas treatment system | |
| CN105396423B (en) | A kind of processing system and method for waste gas waste water | |
| CN203598673U (en) | High-speed flue gas desulfurization, wet-type electric dust removal, and mist removal tower | |
| CN206508777U (en) | SO3 system in a kind of utilization desulfurization wastewater removing boiler smoke | |
| CN206184258U (en) | Electrolytic aluminum flue gas liquid phase desulphurization unit | |
| CN1339332A (en) | Sulphur dioxide removing electrolysis process | |
| CN207722616U (en) | A kind of ultra-clean zero waste liquid dust arrester installation of discharge desulfurization of flue gas | |
| CN205361042U (en) | High -efficient flue gas desulfurization system | |
| CN105709595A (en) | System and method for synchronously performing low-temperature denitration and desulfuration on coke oven smoke | |
| CN211069538U (en) | Spraying device for treating flue gas of biomass burner | |
| CN203954983U (en) | Composite type desulfurating dust removing device for flue gas | |
| CN210159445U (en) | Industrial waste gas's desulfurization dust collector | |
| CN211328868U (en) | High-efficient gas desulfurization device | |
| CN209714706U (en) | A kind of exhaust treatment system in rare-earth sulfide production process | |
| CN109939550A (en) | A kind of processing method and processing device of FCC regenerated flue gas | |
| CN107803108B (en) | Deep purification method for tail gas emitted by tissue in aluminum electrolysis production process | |
| CN107952355B (en) | Method for promoting zinc oxide flue gas desulfurization by using aluminum sulfate circulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |