CN104906935B - Acid-making tail gas purification process and acid-making tail gas purification device - Google Patents
Acid-making tail gas purification process and acid-making tail gas purification device Download PDFInfo
- Publication number
- CN104906935B CN104906935B CN201510289873.3A CN201510289873A CN104906935B CN 104906935 B CN104906935 B CN 104906935B CN 201510289873 A CN201510289873 A CN 201510289873A CN 104906935 B CN104906935 B CN 104906935B
- Authority
- CN
- China
- Prior art keywords
- tail gas
- section
- deacidification
- ammonium sulfate
- mother liquor
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention relates to an acid-making tail gas purification process and an acid-making tail gas purification device. The acid-making tail gas purification device is a vertical type tower and comprises a crystallization section, a deacidification section and a deamination section, wherein the deacidification section is provided with a tail gas inlet pipe connected with a tail gas outlet of a waste liquid incineration acid-making device, an ammonia water spraying device is arranged in the tail gas inlet pipe, and acid-making tail gas reacts with ammonia water in the tail gas inlet pipe to remove SO2; tail gas comes into full contact with circulating mother liquid in an annular channel of the deacidification section by an annular sprayer, ammonium sulfite in circulating mother liquid, oxygen in tail gas and oxygen entering the deacidification section through an air inlet are subjected to oxidation reaction to produce ammonium sulfate; the tail gas in the deacidification section further reacts with the circulating ammonium sulfate mother liquid added with sulfuric acid to remove ammonia, and finally, the purified tail gas reaches the national emission standard requirement; according to the process, ammonium sulfate crystal byproducts can be produced, the enterprise income can be increased, and the acid-making tail gas purification device has the advantages of compact structure, small occupied area and low investment, and can be operated simply.
Description
Technical field
The present invention relates to industrial tail gas processing technology field, more particularly to a kind of coking industry desulfurization waste liquor burning towerman
The purification technique and device of the antacid tail gas that skill process is formed.
Background technology
Liquid waste incineration acid-making process is elemental sulfur and secondary salt liquid waste incineration will to be produced in wet oxidation desulfurization technique, is utilized
Quality is relatively low, the sulfur that market outlet is bad and the desulfurization secondary salt waste liquid without direct value, produces economic worth relative
Higher concentrated sulphuric acid, realizes the harmless treatment of secondary salt waste liquid, makes ammonia process Wet-type oxidation sweetening realize sustainable harmless metaplasia
Produce.But still further need to remove containing the sulfur dioxide not being completely absorbed on a small quantity in antacid tail gas, it is de- frequently with smoke evacuation at present
Sulfur tower and NH3Neutralizing tower carries out desulfurization respectively and washes ammonia, but both techniques to there is number of devices more, floor space is big, behaviour
The shortcomings of making complicated.
The content of the invention
The invention provides a kind of antacid tail gas clean-up technique, antacid tail gas de- SO in gas inlet pipe2, in deacidification section
Circular passage in generation ammonium sulfate is fully contacted by ring sparger and circulating mother liquor, in deamination section by adding sulphuric acid
Circulation ammonium sulfate liquor removes ammonia, and the tail gas after purification reaches discharging standards requirement, and can generate sulphur ammonium crystallization；There is provided simultaneously
Device has compact conformation, and floor space is little, small investment, advantage simple to operate.
In order to achieve the above object, the present invention employs the following technical solutions realization：
A kind of antacid tail gas clean-up technique, comprises the steps：
1) antacid tail gas Jing gas inlets pipe enters antacid exhaust gas cleaner, sprays in gas inlet pipe and by ammonia
Ammonia under device sprinkling is sufficiently mixed, the SO in tail gas2React with ammonia, generate ammonium sulfite；
2) the deacidification section of antacid exhaust gas cleaner, the circulation with ring sparger sprinkling are entered with the reacted tail gas of ammonia
Oxygen and the oxygen entered in deacidification section by air intake in mother solution counter current contacting, the ammonium sulfite in circulating mother liquor and tail gas
Generation oxidation reaction, generates ammonium sulfate；Ammonium sulfate is with circulating mother liquor is by conical head and declines communicating pipe into antacid tail gas
Purifier crystallized region；Tail gas Jing after circulating mother liquor spray is entered in deacidification section demister, under the influence of centrifugal force by which
Middle entrainment droplet is removed；
3) in crystallized region, with the rising of ammonium sulfate concentrations in circulating mother liquor, start sulphur ammonium crystallization occur, crystallize and rising
During gradually grow up, eventually fall into crystallized region bottom, and discharged by crystalline mother solution outlet, after carrying out into ammonium sulfate workshop section
It is continuous to process；Crystallized region top circulating mother liquor is discharged by circulating mother liquor outlet two, by circulating mother liquor after circulating mother liquor pump pressurizes
Entrance is sprayed into ring sparger, and the circulating mother liquor liquid level of crystallized region is controlled by mother solution flowing full mouth；
4) the disconnected liquid disks of the tail gas Jing after demisting enter the deamination section of antacid exhaust gas cleaner, with adding for being sprayed by spray line
Enter the ammonium sulfate liquor counter current contacting of sulphuric acid, then the ammonia carried secretly in absorbing tail gas is discharged by offgas outlet Jing after mist eliminator；Sprinkling
Ammonium sulfate liquor by disconnected liquid disk collection after by circulating mother liquor outlet one discharge, by ammonium sulfate liquor pump pressurize after enter spray line spray
Drench；Ammonium sulfate liquor exports regular extension ammonium sulfate liquor to ammonium sulfate workshop section, and adds sulphuric acid to ensure sulphur ammonium by sulphuric acid entrance
The acidity of mother solution.
The antacid exhaust gas cleaner is vertical column, including crystallized region, deacidification section and deamination section, and antacid tail gas is along tower body
Deacidification section is tangentially entered, and demister is entered Jing after ring sparger spray in the circular passage of deacidification section.
For realizing a kind of device of antacid tail gas clean-up technique, including the crystallized region being integrated in tower body from the bottom to top,
Deacidification section and deamination section, the crystallized region passes through conical head and decline is connected with deacidification section communicating pipe, and deacidification section is by the liquid that breaks
Disk is connected with deamination section；Crystallized region is provided with crystalline mother solution outlet；Ring sparger and demister, annular spray are provided with deacidification section
The liquid feeding end of device passes through circulating mother liquor entrance and circulating mother liquor pump connects the circulating mother liquor outlet two of crystallized region, and demister is located at de-
Sour section centre；Deacidification section is provided with the offgas outlet that gas inlet pipe connects liquid waste incineration sulphuric acid plant, in gas inlet pipe
If ammonia water spraying device；Spray line, mist eliminator and sulphuric acid entrance are provided with deamination section, spray line liquid feeding end passes through ammonium sulfate liquor pump
Circulating mother liquor outlet one above the disconnected liquid disk of connection, sets ammonium sulfate liquor outlet and sulphuric acid entrance, tower on the tower body above disconnected liquid disk
Mist eliminator is set at the top of body below offgas outlet.
The ammonia water spraying device, ring sparger and spray line are equipped with multiple shower nozzles, the shower nozzle of ammonia water spraying device
Axially it is uniformly arranged along gas inlet pipe, the shower nozzle on ring sparger and spray line is along the circumferential direction uniformly arranged.
Tower body above the conical head is provided with mother solution flowing full mouth, connects crystallized region by communicating pipe.
The deacidification section tower body external diameter is more than deamination section tower body external diameter, and deamination section tower body barrel is extended in deacidification section tower body
Conical head above, form circular passage between deacidification section tower body barrel and deamination section tower body barrel, ring sparger is arranged
In circular passage；Passage connection demister is set at the top of circular passage.
Air intake is set on the gas inlet pipe and the tower body of deacidification section connectivity part.
Compared with prior art, the invention has the beneficial effects as follows：
1) antacid tail gas is by taking off SO in gas inlet pipe2, pass through ring sparger in the circular passage of deacidification section
Generation ammonium sulfate is fully contacted with circulating mother liquor, ammonia is removed by adding the circulation ammonium sulfate liquor of sulphuric acid in deamination section, after purification
Tail gas reaches discharging standards requirement；
2) technical process of the present invention can generate sulphur ammonium crystallization side-product, increase enterprise income；
3) device has compact conformation, and floor space is little, small investment, advantage simple to operate；
Description of the drawings
Fig. 1 is the structural representation of device of the present invention.
In figure：1. crystalline mother solution outlet 2. crystallized region 3. declines 4. conical head of communicating pipe, 5. mother solution flowing full mouth 6.
7. ring sparger of deacidification section, 8. ammonium sulfate liquor pump, 9. circulating mother liquor outlet, one 10. 11. spray line of disconnected liquid disk, 12. sulphuric acid
15. deamination section of entrance 13. mist eliminator, 14. offgas outlet, 16. ammonium sulfate liquor exports 17. demister, 18. gas inlet pipe
19. ammonia water spraying device, 20. circulating mother liquor entrance, 21. circulating mother liquor pump, 22. circulating mother liquor exports 2 23. air intakes
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further：
See Fig. 1, be the structural representation of device of the present invention.A kind of antacid tail gas clean-up technique of the present invention, including such as
Lower step：
1) antacid tail gas Jing gas inlets pipe 18 enters antacid exhaust gas cleaner, in gas inlet pipe 18 and by ammonia
Ammonia under flusher 19 sprays is sufficiently mixed, the SO in tail gas2React with ammonia, generate ammonium sulfite；
2) the deacidification section 6 of antacid exhaust gas cleaner is entered with the reacted tail gas of ammonia, with following for the sprinkling of ring sparger 7
Oxygen in ring mother solution counter current contacting, the ammonium sulfite in circulating mother liquor and tail gas and deacidification section 6 is entered by air intake 23
There is oxidation reaction in oxygen, generate ammonium sulfate；Ammonium sulfate is with circulating mother liquor is by conical head 4 and declines communicating pipe 3 into system
Sour exhaust gas cleaner crystallized region 2；Tail gas Jing after circulating mother liquor spray is entered in deacidification section demister 17, in the work of centrifugal force
Droplet removing will wherein be carried with secretly；
3) in crystallized region 2, with the rising of ammonium sulfate concentrations in circulating mother liquor, start sulphur ammonium crystallization occur, crystallize upper
Gradually grow up during rising, eventually fall into 2 bottom of crystallized region, and discharged by crystalline mother solution outlet 1, enter into ammonium sulfate workshop section
Row subsequent treatment；2 top circulating mother liquor of crystallized region by circulating mother liquor outlet 2 22 discharge, by circulating mother liquor pump 21 pressurize after by
Circulating mother liquor entrance 20 is sprayed into ring sparger 7, and the circulating mother liquor liquid level of crystallized region 2 is controlled by mother solution flowing full mouth 5；
4) the disconnected liquid disks of the tail gas Jing after demisting 10 enter the deamination section 15 of antacid exhaust gas cleaner, and are sprayed by spray line 11
The ammonium sulfate liquor counter current contacting of the addition sulphuric acid for spilling, the ammonia carried secretly in absorbing tail gas, then Jing after mist eliminator 13 by offgas outlet
14 discharge；The ammonium sulfate liquor of sprinkling is discharged by circulating mother liquor outlet 1 after being collected by disconnected liquid disk 10, is added by ammonium sulfate liquor pump 8
Spray into spray line 11 after pressure；Ammonium sulfate liquor exports 16 regular extension ammonium sulfate liquors to ammonium sulfate workshop section, and is entered by sulphuric acid
Mouth 12 adds sulphuric acid to ensure the acidity of ammonium sulfate liquor.
The antacid exhaust gas cleaner is vertical column, including crystallized region 2, deacidification section 6 and deamination section 15, antacid tail gas edge
Tower body tangentially enters deacidification section 6, and in the circular passage of deacidification section 6 enters demister 17 Jing after ring sparger 7 is sprayed.
For realizing a kind of device of antacid tail gas clean-up technique, including the crystallized region 2 being integrated in tower body from the bottom to top,
Deacidification section 6 and deamination section 15, the crystallized region 2 passes through conical head 4 and decline is connected with deacidification section 6 communicating pipe 3, deacidification section 6
Connected with deamination section 15 by disconnected liquid disk 10；Crystallized region 2 is provided with crystalline mother solution outlet 1；Ring sparger 7 is provided with deacidification section 6
With demister 17, the liquid feeding end of ring sparger 7 passes through circulating mother liquor entrance 20 and circulating mother liquor pump 21 connects following for crystallized region 2
Ring mother liquor outlet 2 22, demister 17 are located at 6 centre of deacidification section；Deacidification section 6 is provided with the connection waste liquid of gas inlet pipe 18 and burns
The offgas outlet of sulphuric acid plant is burnt, in gas inlet pipe 18, ammonia water spraying device 19 is set；It is provided with spray line 11, catches in deamination section 15
Day with fog 13 and sulphuric acid entrance 12,11 liquid feeding end of spray line are gone out by the circulating mother liquor that ammonium sulfate liquor pump 8 connects above disconnected liquid disk 10
Mouth 1, sets ammonium sulfate liquor outlet 16 and sulphuric acid entrance 12 on the tower body above disconnected liquid disk 10, at the top of tower body under offgas outlet 14
Side sets mist eliminator 13.
The ammonia water spraying device 19, ring sparger 7 and spray line 11 are equipped with multiple shower nozzles, ammonia water spraying device 19
Shower nozzle be axially uniformly arranged along gas inlet pipe 18, the shower nozzle on ring sparger 7 and spray line 11 is along the circumferential direction uniform
Arrange.
Tower body above the conical head 4 is provided with mother solution flowing full mouth 5, connects crystallized region 2 by communicating pipe.
6 tower body external diameter of the deacidification section is more than 15 tower body external diameter of deamination section, and 15 tower body barrel of deamination section extends to deacidification section 6
Above conical head 4 in tower body, between 15 tower body barrel of 6 tower body barrel of deacidification section and deamination section, circular passage is formed, annular
Spray thrower 7 is arranged in circular passage；Passage connection demister 13 is set at the top of circular passage.
Air intake 23 is set on the gas inlet pipe 18 and the tower body of 6 connectivity part of deacidification section.
Claims (7)
1. a kind of antacid tail gas clean-up technique, it is characterised in that antacid tail gas takes off SO in gas inlet pipe2, in the ring of deacidification section
Generation ammonium sulfate is fully contacted by ring sparger and circulating mother liquor in shape passage, in circulation of the deamination section by addition sulphuric acid
Ammonium sulfate liquor removes ammonia, and the tail gas after purification reaches discharging standards requirement, and can generate sulphur ammonium crystallization；Specifically include following step
Suddenly：
1) antacid tail gas Jing gas inlets pipe enters antacid exhaust gas cleaner, in gas inlet pipe and by ammonia water spraying device
Ammonia under sprinkling is sufficiently mixed, the SO in tail gas2React with ammonia, generate ammonium sulfite；
2) the deacidification section of antacid exhaust gas cleaner, the circulating mother liquor with ring sparger sprinkling are entered with the reacted tail gas of ammonia
Oxygen and the oxygen generation entered in deacidification section by air intake in counter current contacting, the ammonium sulfite in circulating mother liquor and tail gas
Oxidation reaction, generates ammonium sulfate；Ammonium sulfate is with circulating mother liquor is by conical head and declines communicating pipe into antacid tail gas clean-up
Device crystallized region；Tail gas Jing after circulating mother liquor spray is entered in deacidification section demister, wherein will be pressed from both sides under the influence of centrifugal force
Band droplet is removed；
3) in crystallized region, with the rising of ammonium sulfate concentrations in circulating mother liquor, start sulphur ammonium crystallization occur, crystallize in the mistake for rising
Gradually grow up in journey, eventually fall into crystallized region bottom, and discharged by crystalline mother solution outlet, subsequently located into ammonium sulfate workshop section
Reason；Crystallized region top circulating mother liquor is discharged by circulating mother liquor outlet two, by circulating mother liquor entrance after circulating mother liquor pump pressurizes
Spray into ring sparger, the circulating mother liquor liquid level of crystallized region is controlled by mother solution flowing full mouth；
4) the disconnected liquid disks of the tail gas Jing after demisting enter the deamination section of antacid exhaust gas cleaner, with the addition sulfur sprayed by spray line
Then the ammonium sulfate liquor counter current contacting of acid, the ammonia carried secretly in absorbing tail gas is discharged by offgas outlet Jing after mist eliminator；The sulfur of sprinkling
Ammonium mother solution is sprayed into spray line after ammonium sulfate liquor pump pressurizes by being discharged by circulating mother liquor outlet one after the collection of disconnected liquid disk；
Ammonium sulfate liquor exports regular extension ammonium sulfate liquor to ammonium sulfate workshop section, and adds sulphuric acid to ensure ammonium sulfate liquor by sulphuric acid entrance
Acidity.
2. a kind of antacid tail gas clean-up technique according to claim 1, it is characterised in that the antacid exhaust gas cleaner
For vertical column, including crystallized region, deacidification section and deamination section, antacid tail gas tangentially enters deacidification section along tower body, and in deacidification section
Demister is entered Jing after ring sparger spray in circular passage.
3. be used for realizing a kind of device of antacid tail gas clean-up technique described in claim 1, it is characterised in that include by down to
On be integrated in crystallized region in tower body, deacidification section and deamination section, the crystallized region is by conical head and declines communicating pipe and takes off
Sour section connection, deacidification section are connected with deamination section by disconnected liquid disk；Crystallized region is provided with crystalline mother solution outlet；Annular is provided with deacidification section
Spray thrower and demister, the liquid feeding end of ring sparger pass through the circulation of circulating mother liquor entrance and circulating mother liquor pump connection crystallized region
Mother liquor outlet two, demister are located at deacidification section centre；Deacidification section is provided with gas inlet pipe connection liquid waste incineration sulphuric acid plant
Offgas outlet, set ammonia water spraying device in gas inlet pipe；Spray line, mist eliminator and sulphuric acid entrance are provided with deamination section, are sprayed
Pipe liquid feeding end is spilt by the circulating mother liquor outlet one above the disconnected liquid disk of ammonium sulfate liquor pump connection, on the tower body above disconnected liquid disk, sulfur is set
Ammonium mother liquor outlet and sulphuric acid entrance, set mist eliminator below offgas outlet at the top of tower body.
4. a kind of antacid exhaust gas cleaner according to claim 3, it is characterised in that the ammonia water spraying device, ring
Shape spray thrower and spray line are equipped with multiple shower nozzles, and the shower nozzle of ammonia water spraying device is axially uniformly arranged along gas inlet pipe, ring
Shower nozzle on shape spray thrower and spray line is along the circumferential direction uniformly arranged.
5. a kind of antacid exhaust gas cleaner according to claim 3, it is characterised in that the tower above the conical head
Body is provided with mother solution flowing full mouth, connects crystallized region by communicating pipe.
6. a kind of antacid exhaust gas cleaner according to claim 3, it is characterised in that the deacidification section tower body external diameter is big
In deamination section tower body external diameter, deamination section tower body barrel is extended to above the conical head in deacidification section tower body, deacidification section tower body cylinder
Circular passage is formed between wall and deamination section tower body barrel, ring sparger is arranged in circular passage；Set at the top of circular passage
Passage connects demister.
7. a kind of antacid exhaust gas cleaner according to claim 3, it is characterised in that the gas inlet pipe and deacidification
Air intake is set on the tower body of section connectivity part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510289873.3A CN104906935B (en) | 2015-05-29 | 2015-05-29 | Acid-making tail gas purification process and acid-making tail gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510289873.3A CN104906935B (en) | 2015-05-29 | 2015-05-29 | Acid-making tail gas purification process and acid-making tail gas purification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104906935A CN104906935A (en) | 2015-09-16 |
| CN104906935B true CN104906935B (en) | 2017-05-17 |
Family
ID=54076625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510289873.3A Active CN104906935B (en) | 2015-05-29 | 2015-05-29 | Acid-making tail gas purification process and acid-making tail gas purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104906935B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561766B (en) * | 2016-01-05 | 2017-11-07 | 徐州工程学院 | A kind of packed tower removes sulfur dioxide device and its processing method in industrial waste gas |
| CN106731502A (en) * | 2016-12-29 | 2017-05-31 | 大连科汇工程技术有限公司 | The technique and phosphorus ammonium reactor of a kind of phosphorus ammonium absorption and separation ammonia in gas |
| CN108097018A (en) * | 2017-11-27 | 2018-06-01 | 江苏力禾颜料有限公司 | Exhaust gas treating method prepared by H acid monosodium salt |
| CN108380024B (en) * | 2018-04-13 | 2024-01-09 | 中冶焦耐(大连)工程技术有限公司 | Desulfurizing and dedusting integrated cylinder heating furnace system and desulfurizing and dedusting method thereof |
| CN108404639A (en) * | 2018-04-28 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | A kind of relieving haperacidity exhaust gas cleaner and technique |
| CN111701429A (en) * | 2020-07-03 | 2020-09-25 | 中冶焦耐(大连)工程技术有限公司 | Stabilizer tail gas purification device |
| CN111792652A (en) * | 2020-07-09 | 2020-10-20 | 中冶焦耐(大连)工程技术有限公司 | Ammonium sulfate acidification system and process |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3556721A (en) * | 1967-10-27 | 1971-01-19 | Koppers Co Inc | Process for purifying crude coke-oven gases |
| DE2744437C2 (en) * | 1977-10-03 | 1985-01-17 | Metallgesellschaft Ag, 6000 Frankfurt | Process for the treatment of waste water resulting from the degassing or gasification of coal |
| DE102008013738A1 (en) * | 2008-03-04 | 2009-09-10 | Arlt, Wolfgang, Prof. Dr.-Ing. | Deacidifying gaseous liquid stream containing acid gases as impurities, comprises contacting liquid stream with detergent containing (aqueous) solution of alkanolamine and ionic liquid/hyperbranched polymers, and purifying liquid stream |
| CN102614735A (en) * | 2012-04-13 | 2012-08-01 | 大连华氏流体设备有限公司 | Device and method for smoke desulphurization and waste recycle |
| CN103831003B (en) * | 2014-03-07 | 2015-09-23 | 中冶焦耐工程技术有限公司 | A kind of regeneration tail gas purification combination tower |
| CN203764112U (en) * | 2014-03-07 | 2014-08-13 | 中冶焦耐工程技术有限公司 | Claus furnace exhaust desulfurizing device |
-
2015
- 2015-05-29 CN CN201510289873.3A patent/CN104906935B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104906935A (en) | 2015-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104906935B (en) | Acid-making tail gas purification process and acid-making tail gas purification device | |
| RU2345823C2 (en) | Method for removal of ammonia and dust from spent gas exhausted in production of fertilisers | |
| CN102151470B (en) | Flue gas desulfurization method and device | |
| CN101757847A (en) | Method for recovering ammonium sulfate from waste ammonia by desulfurization and denitrification and device | |
| CN103831003B (en) | A kind of regeneration tail gas purification combination tower | |
| CN206652377U (en) | Ammonia fertilizer method desulphurization system | |
| CN102872709A (en) | Process of efficiently capturing aerosol in desulfurized flue gas | |
| CN106474898A (en) | A kind of low-temperature denitration and the method and system of nitrogen Sulphur ressourceization utilization | |
| CN206631419U (en) | A kind of desulfuring and denitrifying apparatus based on low temperature plasma and catalyzing cooperation | |
| CN110280105B (en) | Method and device for cooperatively treating acid mist by wet desulfurization of acid making tail gas | |
| CN208449039U (en) | Cokingization produces exhaust gas purification system | |
| CN207478276U (en) | A kind of high cloud of dust desulfurization double tower dual-cycle plant | |
| CN201969475U (en) | Absorbing tower for flue gas desulphurization through ammonia process | |
| CN102824824A (en) | Amino wet combined desulfurization and denitration device and process | |
| CN203764112U (en) | Claus furnace exhaust desulfurizing device | |
| CN201959714U (en) | Twin-tower device adopting ammonia desulfurization | |
| CN209702677U (en) | Coke-stove gas sulfurous acid ammonium salt process deamination produces sulphur ammonium system | |
| CN207928979U (en) | The processing system of the nitric acid exhaust gas generated in oxidation process | |
| CN103224817A (en) | Coal gas dedusting decoking desulfurization system and method | |
| CN212492355U (en) | Ozone oxidation is SOx/NOx control system of ammonia process in coordination | |
| CN202398269U (en) | Integrated device for flue gas desulfurization and denitrification device | |
| CN212348313U (en) | Integrated flue gas purification system and biomass power plant combustion purification system | |
| CN201823468U (en) | Twin tower ammonia desulfurization device | |
| CN204699582U (en) | A kind of relieving haperacidity exhaust gas cleaner | |
| CN107519749A (en) | A kind of ammonia ore deposit mixes sulfur removal technology technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180727 Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee after: ACRE Coking And Refractory (Dalian) Engineering Consulting Corp., MCC Address before: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee before: ACRE Coking and Refractory Engineering Consulting Corporation, MCC |