CN201231130Y - Flue gas desulfurization device for producing ammonia sulfate fertilizer - Google Patents
Flue gas desulfurization device for producing ammonia sulfate fertilizer Download PDFInfo
- Publication number
- CN201231130Y CN201231130Y CNU200820133016XU CN200820133016U CN201231130Y CN 201231130 Y CN201231130 Y CN 201231130Y CN U200820133016X U CNU200820133016X U CN U200820133016XU CN 200820133016 U CN200820133016 U CN 200820133016U CN 201231130 Y CN201231130 Y CN 201231130Y
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- CN
- China
- Prior art keywords
- flue gas
- oxidation
- desulfurizing tower
- demister
- spray system
- 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.)
- Expired - Fee Related
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000003546 flue gas Substances 0.000 title claims abstract description 24
- 239000003337 fertilizer Substances 0.000 title claims abstract description 17
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 13
- 230000023556 desulfurization Effects 0.000 title abstract description 11
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 title 1
- 239000007921 spray Substances 0.000 claims abstract description 37
- 230000003647 oxidation Effects 0.000 claims abstract description 36
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 36
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 23
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000004176 ammonification Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 8
- 230000003009 desulfurizing effect Effects 0.000 claims description 29
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 9
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 241000209094 Oryza Species 0.000 claims description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 238000009298 carbon filtering Methods 0.000 claims description 5
- 235000009566 rice Nutrition 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 30
- 229910021529 ammonia Inorganic materials 0.000 abstract description 15
- 239000002002 slurry Substances 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 2
- 239000001166 ammonium sulphate Substances 0.000 abstract 3
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229940095054 ammoniac Drugs 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000008258 liquid foam Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009102 absorption Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Fertilizers (AREA)
Abstract
A flue gas desulfurization unit for producing ammonium sulphate fertilizer mainly comprises a desulfurization tower, two-stage spray systems, a first-stage entrainment eliminator, a booster fan, a washing water pipe, an ammonia storage tank, an ammonia pump, an oxidation fan, an oxidation wind pipe, as well as circulating pumps, slurry pumps, solid-liquid separating cyclones, centrifugers, drying systems, packing systems, ammonium sulphate outlets, and the like which include three layers and are connected with the desulfurization tower. The flue gas desulfurization unit for producing ammonium sulphate fertilizer is characterized in that the first-stage spray system and the second-stage spray system are crosswise arranged on one horizontal surface, and a third-layer spray system is added above the two stages of spray systems; a second-stage entrainment eliminator is added above the first-stage entrainment eliminator; a straight exhaust chimney is directly mounted above the desulfurization tower; an active carbon filter device is added on an annular pipeline for connecting with the solid-liquid separating cyclones, the centrifugers and the desulfurization tower; and an ammonia output pipeline connected with the ammonia pump is directly connected with the oxidation wind pipe through an ammonification mixer. The unit is low in cost, saves energy and protects the environment.
Description
Technical field:
The utility model relates to the sintering flue gas desulfurization technical field, particularly relates to a kind of flue gas desulfur device of producing the desulfuration byproduct ammonium sulfate fertilizer.
Background technology:
In existing sintering flue gas desulfurization technology, different according to process and accessory substance, can be divided into ammonia one acid system, technologies such as ammonia one ammonium sulfite desulfurization, but because ammonia one acid technological process need consume a large amount of sulfuric acid, branch is freed the sulfur dioxide gas that sucks out simultaneously must have supporting acid making system to handle, and ammonia one ammonium sulfite technology desulfuration byproduct is an ammonium sulfite, the result of use of this product is also bad, therefore, limited ammonia one acid system, ammonia one ammonium sulfite technology is in the utilization in flue gas desulfurization field, but treated byproduct of ammonium sulfate but can be used as agricultural fertilizer and uses, and this product is with a wide range of applications.In the flue gas desulfur device of existing production ammonium sulfate fertilizer, mainly contain compositions such as desulfurizing tower, ammoniacal liquor basin, aqua ammonia pump, slush pump, circulating pump, Separation of Solid and Liquid cyclone, centrifuge, booster fan, oxidation fan, one deck demister, two layers of spray and drying system, packaging system, the shortcoming that this device exists is: 1. because the efficient of demister work is not high, flue gas is carried the liquid foam secretly; 2. absorption, oxidation, crystallization process are finished respectively, equipment, complex process; 3. ammonia has escape phenomenon to take place in directly ammonification sprays, and energy consumption increases; 4. contain the harmful substances such as heavy metal, bioxin that flue gas brings in the circulation fluid, the result of use and the environmental protection of the sulfate of ammoniac chemical fertilizer produced brought negative influence.
The utility model content:
The purpose of this utility model provides a kind of equipment, technology is simple, reliable, and energy-saving and environmental protection also can be produced the flue gas desulfur device of ammonium sulfate fertilizer.
The technical solution of the utility model provides a kind of flue gas desulfur device that is used to produce ammonium sulfate fertilizer, mainly comprise desulfurizing tower, the inner oxidation panel agitator of installing of desulfurizing tower, the secondary spray system, the one-level demister, gas approach, the wash tub pipe that is connected with desulfurizing tower, the booster fan of installing before the gas approach, and interconnective ammoniacal liquor basin, aqua ammonia pump, oxidation fan, the oxidation airduct, be connected with desulfurizing tower one, two, three layers of circulating pump, slush pump, the Separation of Solid and Liquid cyclone that is connected successively with slush pump, centrifuge, drying system, packaging system, the ammonium sulfate outlet, it is characterized in that: one, the secondary spray system is arranged crosswise on a horizontal plane, one, the top of secondary spray system increases the 3rd layer of spray system; Above the one-level demister, increase a secondary demister; An in line chimney directly is installed above desulfurizing tower; On Separation of Solid and Liquid cyclone, centrifuge and circulating line that desulfurizing tower is connected, increase active carbon filtering device; The output ammoniacal liquor pipeline that is connected with aqua ammonia pump directly is connected with the oxidation airduct through the ammonification blender.Its feature also is: one, two layers of spray system and three layers of spray system are between the upper and lower apart from being 1-2 rice; The spacing of one-level demister and secondary demister is a 1.5-1.7 rice; Before and after one-level demister and the secondary demister spray header is installed all, distance is a 1.0-1.2 rice between spray header and the demister; In the desulfurizing tower bottom oxidation pond is arranged, the oxidation pond middle and lower part is equipped with efficient oxidation gas distribution pipe network.
Implementation result of the present utility model is: owing to increased the one-level demister, and further eliminated the liquid foam that flue gas is carried secretly by the rational layout of two-stage, and improved foam removal efficient; Because the desulfurizing tower top directly is provided with the smoke evacuation tube, has reduced equipment cost and occupation of land; Owing to be chosen in the oxidation airduct ammonification and enter circulation fluid, make ammonia be more evenly distributed, improved the utilization rate of ammonia, and effectively controlled the escape of ammonia than direct ammonification spray, saved the energy; Owing to increase a filter at the mother liquor reflux section, reduced or eliminated heavy metal such as Hg Ji pollutants such as bioxin have effectively avoided these harmful substances to enter in the ammonium sulfate fertilizer of production, reach requirement on environmental protection.
Description of drawings:
Fig. 1 is the structure and the process flow diagram of a kind of flue gas desulfur device of the utility model embodiment
In the accompanying drawings: 1. desulfurizing tower; 2. oxidation panel agitator; 3. one deck circulating pump; 4. two layers of circulating pump; 5. three layers of circulating pump; 6. slush pump; 7. active carbon filtering device; 8. Separation of Solid and Liquid cyclone; 9. centrifuge; 10. drying system; 11. packaging system; 12. ammonium sulfate outlet; 13. oxidation fan; 14. oxidation airduct; 15. one, two layers of spray system; 16. booster fan; 17. gas approach; 18. three layers of spray system; 19. wash tub pipe; 20. aqua ammonia pump; 21. ammoniacal liquor basin; 22. in line chimney; 23. secondary demister; 24. one-level demister.
The specific embodiment
Below in conjunction with accompanying drawing a kind of flue gas desulfur device of producing ammonium sulfate fertilizer of the utility model embodiment is described in further detail, Fig. 1 is structure and the process flow diagram of the utility model embodiment, in Fig. 1, desulfurizing tower 1 has gas approach 17, wash tub pipe 19; Gas approach 17 is signed booster fan 16 is installed; Desulfurizing tower 1 inner plane arranged crosswise one, two layer of spray system 15 and three layers of spray system 18, one, two layers of spray system 15 and three layers of spray system about in the of 18 two-layer between spacing be 1.2 meters; Increase a secondary demister 23 above one-level demister 24, the spacing of one-level demister 24 and secondary demister 23 is 1.5 meters; One-level demister 24 and secondary demister 23 tops all are equipped with spray header, and distance is 1.0 meters between spray header and the demister; Desulfurizing tower 1 top directly is equipped with in line chimney 22; An oxidation pond is arranged at desulfurizing tower 1 bottom, and oxidation pond top is equipped with oxidation panel agitator 2; The oxidation pond middle and lower part is equipped with efficient oxidation gas distribution pipe network; The ammoniacal liquor output pipe of ammoniacal liquor basin 21 directly is connected with oxidation airduct 14 through the ammonification blender behind aqua ammonia pump 20, and 14 places are equipped with oxidation fan 13 at the oxidation airduct; Be connected with one, two, three layer of circulating pump 3,4,5 and the slush pump 6 that is connected successively, Separation of Solid and Liquid cyclone 8, centrifuge 9, drying system 10, packaging system 11, ammonium sulfate outlet 12 respectively with desulfurizing tower 1 bottom oxidation pond outlet; On Separation of Solid and Liquid cyclone 8, centrifuge 9 and circulating line that desulfurizing tower 1 is connected, active carbon filtering device 7 is installed.
The operation principle of this device is: the high-temperature flue gas of sintering machine outlet acts on the spray absorbed layer 15 that flows through desulfurizing tower 1 by gas approach 17 from bottom to top through Quench cooling back by booster fan 16,18, with spray absorption liquid counter current contacting, sulfur-containing smoke gas is fully saturated by moisture in the slurries, carry out desulphurization reaction and finish washing desulphurization, flue gas after the processing is through demister 23, directly through in line chimney 22 discharges at desulfurizing tower 1 top, the clear liquid in desulfurizing tower 1 bottom oxidation pond is through one after 24 foam removals, two, three layers of circulating pump 3,4, the spray system that is back to desulfurizing tower 1 after 5 recycles; Ammoniacal liquor in the tank used for storing ammonia 21 enters in the desulfurizing tower 1 by oxidation airduct 14 after through aqua ammonia pump 20 and by the ammonification blender, sulfur dioxide in the high-temperature flue gas and ammoniacal liquor generate ammonium sulfite solution in the reaction of spray absorbed layer, ammonium sulfite is under the gravity effect, leave the spray absorber portion and directly enter oxidation pond at the bottom of the tower, through oxidation, crystallization is an ammonium sulfate, the ammonium sulfate slurries go out from tower bottom flow, behind slush pump 6, enter Separation of Solid and Liquid cyclone 8, centrifuge 9 is removed heavy metals such as Hg Ji be recovered to behind the pollutants such as bioxin and recycle once more in the desulfurizing tower 1 through centrifuge 9 isolated mother liquors and clear liquid by activity carbon filtering device 7; After solid ammonium sulfate slurries drying device system 10 dryings that after centrifuge 9 separates, obtain, pack, take out through sulfate of ammoniac outlet 12 in packaging system 11.
Claims (5)
1, a kind of flue gas desulfur device of producing ammonium sulfate fertilizer, mainly comprise desulfurizing tower (1), the inner oxidation panel agitator of installing (2) of desulfurizing tower (1), one, secondary spray system (15), one-level demister (24), gas approach (17), the wash tub pipe (19) that is connected with desulfurizing tower (1), the booster fan (16) that gas approach (17) is located to install, and interconnective ammoniacal liquor basin (21), aqua ammonia pump (20), oxidation fan (13), oxidation airduct (14), be connected with desulfurizing tower (1) one, two, three layers of circulating pump (3,4,5), slush pump (6), the Separation of Solid and Liquid cyclone (8) that is connected successively with slush pump (6), centrifuge (9), drying system (10), packaging system (11), ammonium sulfate outlet (12), it is characterized in that: one, secondary spray system (15) is arranged crosswise on a horizontal plane, one, the top of secondary spray system (15) increases by one three layers spray system (18); Top at one-level demister (24) increases a secondary demister (23); An in line chimney (22) is directly installed in top at desulfurizing tower (1); On Separation of Solid and Liquid cyclone (8), centrifuge (9) and circulating line that desulfurizing tower (1) is connected, increase active carbon filtering device (7); The output ammoniacal liquor pipeline that is connected with aqua ammonia pump (20) directly is connected with oxidation airduct (14) through the ammonification blender.
2, according to the described a kind of flue gas desulfur device of producing ammonium sulfate fertilizer of claim 1, it is characterized in that: one, two layers of spray system (15) and three layers of spray system (18) spacing between two-layer up and down is 1 ~ 2 meter.
3, according to the described a kind of flue gas desulfur device of producing ammonium sulfate fertilizer of claim 1, it is characterized in that: the spacing of one-level demister (24) and secondary demister (23) is a 1.5-1.7 rice.
4, according to the described a kind of flue gas desulfur device of producing ammonium sulfate fertilizer of claim 1, it is characterized in that: before and after one-level demister (24) and the secondary demister (23) spray header is installed all, distance is a 1.0-1.2 rice between spray header and the demister.
5, according to the described a kind of flue gas desulfur device of producing ammonium sulfate fertilizer of claim 1, it is characterized in that: in desulfurizing tower (1) bottom an oxidation pond is arranged, the oxidation pond middle and lower part is equipped with efficient oxidation gas distribution pipe network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820133016XU CN201231130Y (en) | 2008-07-29 | 2008-07-29 | Flue gas desulfurization device for producing ammonia sulfate fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820133016XU CN201231130Y (en) | 2008-07-29 | 2008-07-29 | Flue gas desulfurization device for producing ammonia sulfate fertilizer |
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| CN201231130Y true CN201231130Y (en) | 2009-05-06 |
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| CNU200820133016XU Expired - Fee Related CN201231130Y (en) | 2008-07-29 | 2008-07-29 | Flue gas desulfurization device for producing ammonia sulfate fertilizer |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844034A (en) * | 2010-06-18 | 2010-09-29 | 宁波金远东工业科技有限公司 | Device for removing sulfur dioxide from waste gas and producing ammonium sulfate byproduct |
| CN101898082A (en) * | 2010-08-16 | 2010-12-01 | 殷茵 | Device and method for depriving sulfur dioxide in flue gas by using ammonia water |
| CN102836626A (en) * | 2011-06-26 | 2012-12-26 | 吴火成 | Multifunctional chimney tower |
| CN104307290A (en) * | 2014-11-04 | 2015-01-28 | 广西天源生物之本环保科技有限公司 | Fertilizer producing exhaust gas dedusting device |
| US20160030883A1 (en) * | 2013-04-24 | 2016-02-04 | Jiangsu New Century Jiangnan Environmental Protection Co., Ltd. | Method and apparatus for treating acidic tail gas by using ammonia process flue gas |
| US9370745B2 (en) * | 2013-04-24 | 2016-06-21 | Jiangsu New Century Jiangnan Environmental Protection Co., Ltd | Flue gas-treating method and apparatus for treating acidic tail gas by using ammonia process |
| CN105771576A (en) * | 2016-03-24 | 2016-07-20 | 宁波德纳希环保科技有限公司 | Process of utilizing modified activated carbon to remove dioxin |
| US10016721B1 (en) | 2017-05-25 | 2018-07-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desufurization process and apparatus |
| CN108452661A (en) * | 2018-06-08 | 2018-08-28 | 国家能源投资集团有限责任公司 | The desulfurizer and sulfur method of boiler smoke |
| US10092877B1 (en) | 2017-05-25 | 2018-10-09 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10099170B1 (en) | 2017-06-14 | 2018-10-16 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10112145B1 (en) | 2017-09-07 | 2018-10-30 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
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| CN101844034B (en) * | 2010-06-18 | 2012-11-21 | 宁波金远东工业科技有限公司 | Device for removing sulfur dioxide from waste gas and producing ammonium sulfate byproduct |
| CN101844034A (en) * | 2010-06-18 | 2010-09-29 | 宁波金远东工业科技有限公司 | Device for removing sulfur dioxide from waste gas and producing ammonium sulfate byproduct |
| CN101898082A (en) * | 2010-08-16 | 2010-12-01 | 殷茵 | Device and method for depriving sulfur dioxide in flue gas by using ammonia water |
| CN101898082B (en) * | 2010-08-16 | 2012-02-22 | 武汉兴能环保技术有限公司 | Device and method for depriving sulfur dioxide in flue gas by using ammonia water |
| CN102836626A (en) * | 2011-06-26 | 2012-12-26 | 吴火成 | Multifunctional chimney tower |
| US20160030883A1 (en) * | 2013-04-24 | 2016-02-04 | Jiangsu New Century Jiangnan Environmental Protection Co., Ltd. | Method and apparatus for treating acidic tail gas by using ammonia process flue gas |
| US9370745B2 (en) * | 2013-04-24 | 2016-06-21 | Jiangsu New Century Jiangnan Environmental Protection Co., Ltd | Flue gas-treating method and apparatus for treating acidic tail gas by using ammonia process |
| CN104307290B (en) * | 2014-11-04 | 2015-12-09 | 广西天源生物之本环保科技有限公司 | Fertilizer tail gas dust cleaning apparatus |
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| US10369517B2 (en) | 2017-09-07 | 2019-08-06 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US10449488B2 (en) | 2017-09-07 | 2019-10-22 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US10357741B2 (en) | 2017-09-07 | 2019-07-23 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US10112145B1 (en) | 2017-09-07 | 2018-10-30 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US11027234B2 (en) | 2018-04-13 | 2021-06-08 | Jiangnan Environmental Protection Group Inc. | Oxidization of ammonia desulfurization solution |
| CN108452661A (en) * | 2018-06-08 | 2018-08-28 | 国家能源投资集团有限责任公司 | The desulfurizer and sulfur method of boiler smoke |
| US10953365B2 (en) | 2018-07-20 | 2021-03-23 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
| US11529584B2 (en) | 2018-07-20 | 2022-12-20 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
| US11224838B2 (en) | 2019-12-26 | 2022-01-18 | Jiangnan Environmental Protection Group Inc. | Controlling aerosol production during absorption in ammonia-based desulfurization |
| US12467691B2 (en) | 2022-05-16 | 2025-11-11 | Jiangnan Environmental Protection Group Inc. | Method and device for waste heat recovery in ammonia-based desulfurization and decarbonization system |
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