CN203816497U - Flue gas desulfurization and dehydration system for oxygen-enriched combustion boiler - Google Patents
Flue gas desulfurization and dehydration system for oxygen-enriched combustion boiler Download PDFInfo
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- CN203816497U CN203816497U CN201420196424.5U CN201420196424U CN203816497U CN 203816497 U CN203816497 U CN 203816497U CN 201420196424 U CN201420196424 U CN 201420196424U CN 203816497 U CN203816497 U CN 203816497U
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- China
- Prior art keywords
- flue gas
- demister
- oxygen
- combustion boiler
- gas
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- 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 - Lifetime
Links
- 239000003546 flue gas Substances 0.000 title claims abstract description 81
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 63
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 38
- 239000001301 oxygen Substances 0.000 title claims abstract description 38
- 230000023556 desulfurization Effects 0.000 title claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 26
- 230000018044 dehydration Effects 0.000 title abstract description 5
- 238000006297 dehydration reaction Methods 0.000 title abstract description 5
- 239000002002 slurry Substances 0.000 claims abstract description 37
- 230000003647 oxidation Effects 0.000 claims abstract description 17
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 58
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000013459 approach Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 2
- 235000019738 Limestone Nutrition 0.000 description 10
- 239000006028 limestone Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 235000019504 cigarettes Nutrition 0.000 description 5
- 239000002817 coal dust Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000003009 desulfurizing effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 208000005156 Dehydration Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a flue gas desulfurization and dehydration system for an oxygen-enriched combustion boiler. The flue gas desulfurization and dehydration system comprises a desulfurization absorption tower and a flue gas cooler, wherein a slurry outlet of the desulfurization absorption tower is connected with an oxidation pond which is arranged separately relative to the desulfurization absorption tower; the flue gas outlet of the desulfurization absorption tower is connected with the flue gas inlet of the flue gas cooler; no demister is arranged inside the desulfurization absorption tower; inside the flue gas cooler, a built-in demister is arranged between the flue gas inlet and the flue gas outlet of the flue gas cooler and is close to the flue gas outlet; a slurry jetting device of the desulfurization absorption tower is an annular grid jetting device; the built-in demister comprises a baffling type demister and a grid type demister which are sequentially arranged from front to back along the flue gas flowing direction; and a baffle plate of the baffling type demister is a porous plate. Both the content of sulfide and the content of water vapor in the treated clean flue gas can meet the requirement on the quality of circulating flue gas of the oxygen-enriched combustion boiler.
Description
Technical field
The utility model relates to a kind of boiler sulfur-containing smoke gas treating apparatus, the dewatering integrated treatment system of especially a kind of flue gas desulfurization for oxygen-enriched combustion boiler.
Background technology
Oxygen-enriched combusting is as a new coal dust firing and CO
2capture technique, by making oxygen by air separation technology, directly adopts the oxygen of high concentration and the mist (O of the partial fume of drawing back
2/ CO
2) carry out replaces air and burn, in the flue gas obtaining like this, there is the CO of high concentration
2gas, can carry out CO easily
2process and seal up for safekeeping.This combustion technology claims again O
2/ CO
2circulating combustion technology, is regarded as following CO
2another the competitive technological approaches reducing discharging.In recent years, the research and development of oxygen-enriched combusting are acceleration tendency in the world.
Because coal-fired oxygen-enriched combusting main purpose is to obtain by flue gas recirculation the CO that is rich in 80% above volumetric concentration
2flue gas, realizes large-scale CO
2enrichment and reduction of discharging.And coal dust adopts oxygen-enriched combusting, sulphur in coal dust is with the same SOx that is almost all converted into of conventional air burning, coal dust firing will produce a large amount of moisture simultaneously, if the flue gas directly oxygen-enriched combusting being produced is as flue gas recycled, can there is enrichment phenomenon with flue gas recirculation in the SOx in circulating flue gas, thereby to cigarette air channel, burner hearth, heating surfaces etc. produce corrosion, need to take necessary measure, prevent the significantly increase of SOx concentration in flue gas recycled, have the steam formation acid corrosion of condensing in afterbody low temperature flue section, in stove, can produce the high temperature corrosion of serious heating surface, reduce oxygen enrichment steam generator system smoke wind pipe, the service life of equipment.Therefore, oxygen-enriched combusting be realized smoothly, necessary desulphurization system and dewatering system need to be configured.Meanwhile, oxygen-enriched combusting flue gas recycled must be avoided as much as possible except CO
2there is enrichment in outer gas, the desulphurization system adopting and dewatering system need reduce as far as possible system air leakage or mix air in cyclic process.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of matching used flue gas desulfurization dewatering system for oxygen-enriched combustion boiler of oxygen-enriched combustion boiler that is suitable for.
The utility model solves the technical scheme that its technical problem adopts: for the flue gas desulfurization dewatering system of oxygen-enriched combustion boiler, comprise desulfuration absorbing tower, the slurries outlet of desulfuration absorbing tower is connected with the oxidation pond arranging separately with respect to desulfuration absorbing tower, oxidation pond is connected with the slurries injection apparatus of desulfuration absorbing tower by slurries circulating conveyor, also comprise gas cooler, the exhanst gas outlet of desulfuration absorbing tower is connected with the gas approach of gas cooler, demister is not set in described desulfurizing tower, in described gas cooler, be provided with built-in demister, built-in demister is arranged on the position near exhanst gas outlet between the gas approach of gas cooler and exhanst gas outlet.
The slurries injection apparatus of desulfuration absorbing tower adopts annular grid injection apparatus, and this injection apparatus comprises the female pipe of annular, and is connected to being parallel to each other and spaced arm of the female pipe of annular inner side, arranges nozzle on arm.
It is the nozzle of 135 ° of solid conical surfaces that described nozzle adopts atomizing angle.
Described built-in demister comprises that wherein the deflection plate of baffling type demister adopts orifice plate along flue gas flow direction front and back are arranged successively baffling type demister and grid type demister.
Described gas cooler adopts and comprises spray equipment the water cooling tower using recirculated cooling water as low-temperature receiver, its gas approach under, exhanst gas outlet is upper, built-in demister is positioned at the top of spray equipment.
Described gas cooler comprises the face formula heat exchanger taking nitrogen as low-temperature receiver.
The beneficial effects of the utility model are: can effectively remove the sulfide in oxygen-enriched combusting flue gas recycled, reduce the sulfur content of flue gas recycled, solved oxygen-enriched combusting flue gas recirculation process sulphur oxide, there is enrichment in steam, cause circulating flue gas pipeline and heated surface corrosion and the higher problem of discharge sulfureous in flue gas oxide concentration, can prevent from sneaking into circulating flue gas for the gas of desulfurization slurry oxidation in desulfurization dewatering process, make CO in circulating flue gas simultaneously
2concentration reduces, and affects CO
2trapping; Water vapour content in flue gas after processing can be controlled in 5%, meet oxygen-enriched combustion boiler circulating flue gas quality requirements.
Brief description of the drawings
Fig. 1 is the utility model for the structure composition of the flue gas desulfurization dewatering system of oxygen-enriched combustion boiler and the schematic diagram of direction of flow wherein.
Fig. 2 is the structural representation of built-in demister in Fig. 1.
Fig. 3 is the schematic diagram of deflection plate in Fig. 2.
Fig. 4 is the structural representation of slurries spray equipment in Fig. 1.
In figure, be labeled as: limestone slurry liquid preparing system 1, lime stone slurry delivery pump 2, oxidation pond 3, excavationg pump 4, desulfuration absorbing tower 5, slurries injection apparatus 6, slurries circulating conveyor 7, oxidation fan 8, separate out pump 9, gypsum stock tank 10, cooling water circulating pump 11, cooling tower 12, cooling water is discharged pump 13, gas cooler 14, spray equipment 15, built-in demister 16, deflection plate 17, gas approach 18, exhanst gas outlet 19, gas approach 20, exhanst gas outlet 21, corrugated sheet 22, the female pipe 23 of annular, arm 24, nozzle 25, baffling type demister 26, grid type demister 27.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, flue gas desulfurization dewatering system for oxygen-enriched combustion boiler of the present utility model comprises desulfuration absorbing tower 5 and gas cooler 14, the slurries outlet of desulfuration absorbing tower 5 is connected with the oxidation pond 3 arranging separately with respect to desulfuration absorbing tower 5, oxidation pond 3 is connected with the slurries injection apparatus 6 of desulfuration absorbing tower 5 by slurries circulating conveyor 7, the exhanst gas outlet of desulfuration absorbing tower 5 is connected with the gas approach 18 of gas cooler 14, in described desulfuration absorbing tower 5, demister is not set, in described gas cooler 14, be provided with built-in demister 16, built-in demister 16 is arranged on the position near exhanst gas outlet 19 between the gas approach 18 of gas cooler (14) and exhanst gas outlet 19.Consider for oxygen-enriched combusting operating mode, selective oxidation pond 3 arranges separately with respect to desulfuration absorbing tower 5, can prevent from sneaking into circulating flue gas for the gas of desulfurization slurry oxidation in desulfurization dewatering process, makes CO in circulating flue gas
2concentration reduces, and affects CO
2trapping, because the water vapour content of flue gas recycled in oxygen-enriched combustion boiler should be controlled at proper range, therefore, to carry out cooled dehydrated processing to the flue gas that drops into recirculation, remove steam wherein, conventional desulfurizer is arranged on demister in desulfuration absorbing tower conventionally, therefore demister is improved and is set to gas cooler inside, improve dehydrating effect, make whole system structure compacter simultaneously.
As shown in Figure 1 and Figure 4, the slurries injection apparatus 6 of desulfuration absorbing tower 5 adopts annular grid injection apparatus, this injection apparatus comprises the female pipe 23 of annular, and is connected to being parallel to each other and spaced arm 24 of the female pipe of annular 23 inner sides, arranges nozzle 25 on arm 24.The female pipe 23 of annular can play all pressure effects, makes each arm 24 top nozzle 25 uniform atomizings spray slurries, with SO in flue gas
2haptoreaction fast, with respect to the female Guan Eryan of conventional straight tube, has better desulfurized effect.
It is the nozzle of 135 ° of solid conical surfaces that preferred described nozzle 25 adopts atomizing angle, and spray angle is large, can fully contact with flue gas, has better desulfurized effect.
As shown in Figure 1, Figure 2 and Figure 3, described built-in demister 16 comprises along flue gas flow direction front and back are arranged successively baffling type demister 26 and grid type demister 27, wherein the deflection plate 17 of baffling type demister 26 adopts orifice plate, on orifice plate, open as required the aperture of some, can increase the shock of air-flow and orifice plate, improve except fog effect, can prevent fouling and be conducive to the flushing to demister simultaneously.Conventional baffling type demister, its deflection plate is dull and stereotyped, meets the one side and the corrugated sheet 22 easy residual soils in intersection to flue gas at deflection plate 17.Hole diameter on orifice plate can calculate, and can need to determine according to resistance and flow field.The shape of the mesh of grid type demister 27, size are mainly that the consideration for resistance, anti-blocking, processing etc. is determined after comprehensive.
As shown in Figure 1, described gas cooler 14 adopts and comprises spray equipment 15 water cooling tower using recirculated cooling water as low-temperature receiver, its gas approach 18 under, exhanst gas outlet 19 is upper, built-in demister 16 is positioned at the top of spray equipment 15.Recirculated cooling water, by spray and the direct combination cooling of flue gas, is removed to a rational level by institute's containing water vapor in flue gas, and desulfurization flue gas out can be carried a small amount of limewash secretly and enter gas cooler, residual SO in the flue gas after desulfurizing tower desulfurization
2can continue to be removed in gas cooler 14, and reacted limewash is sneaked into cooling circulating water.
Described gas cooler 14 comprises the face formula heat exchanger taking low temperature nitrogen as low-temperature receiver.If the nitrogen that the air separation unit of oxygen-enriched combustion boiler configuration is separated has unnecessary or no words, can adopt the empty low temperature nitrogen of separating as low-temperature receiver.As adopt low temperature nitrogen to make low-temperature receiver, and need to adopt face formula heat exchange structure, nitrogen is walked in pipe, and flue gas is walked the structure outside pipe, is convenient to demister and arranges.
embodiment:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, this flue gas desulfurization dewatering system that is used for oxygen-enriched combustion boiler comprise limestone slurry liquid preparing system 1, lime stone slurry delivery pump 2, oxidation pond 3, blowdown pump 4, desulfuration absorbing tower 5, slurries injection apparatus 6, slurries circulating conveyor 7, oxidation fan 8, separate out pump 9, gypsum stock tank 10, cooling water circulating pump 11, cooling tower 12, cooling water blowdown pump 13, gas cooler 14, spray equipment 15, for removing the built-in demister 16 of cooling rear flue gas water droplet.In addition, also have lime stone preparation, induction system, GGH and gypsum dehydration system, these are all ripe conventional systems, and the utility model is not done detailed statement.
Coal dust in oxygen-enriched combustion boiler, burn produce flue gas after heating surface heat absorption, deduster dedusting, GGH heat exchange, temperature is down to 90 DEG C of left and right, sends into desulfuration absorbing tower 5, the SO in flue gas
2be passed the doctor solution that limestone slurry liquid jetting device 6 sprays and absorb, flue gas is desulfurized liquid and is cooled to below 70 DEG C simultaneously, through the cooled flue gas of desulfurization be admitted to again in cigarette cooler 14, continue cooling.The flue gas water cooling that is cooled in cigarette cooler 14, temperature continues to reduce, remove by the demister 16 that is arranged in cigarette cooler top the drop of carrying secretly in flue gas again, export water vapour content in clean flue gas and, in 5% left and right, meet the requirement of circulating flue gas for pulverized coal preparation system to control cigarette cooler.
As shown in Figure 1, lime stone slurry is sent into oxidation pond 3 through lime stone slurry delivery pump 2 after being prepared by limestone slurry liquid preparing system 1, then by slurries circulating conveyor 7 by lime stone slurry in slurries injection apparatus 6 evenly sprays into desulfuration absorbing tower 5.
As shown in Figure 4, the structure of the slurries injection apparatus 6 of desulfuration absorbing tower 5 interior layouts adopts the female pipe 23 of annular, arranges nozzle 25 on arm 24, and it is 135 ° of solid conical surfaces that nozzle 25 adopts atomizing angle.Desulfurization slurry is forced into 0.3MPa by slurries circulating conveyor 7, makes desulfurization slurry respectively spray section uniform atomizing at desulfurizing tower and sprays, with SO in flue gas by injection apparatus
2fully fast reaction, can reach more than 98% desulfuration efficiency.
In native system, desulfuration absorbing tower 5, gas cooler 14 have desulfurizing function simultaneously, desulfuration absorbing tower 5 has cooling effect to flue gas in sweetening process, for condition has been created in gas cooler 14 cooled flue gas dehydrations, after this desulfurization, dewatering integrated system, sulfureous in flue gas oxide concentration can be controlled in 50mg/nm
3with interior zone of reasonableness, even lower, water vapour content can be controlled in 5%, meets oxygen-enriched combustion boiler circulating flue gas quality requirements.
Native system adopts independently oxidation pond 3, arranged apart with desulfuration absorbing tower 5, avoids the oxidation air flue gas that bleeds, and guarantees that in oxygen-enriched combustion boiler flue gas, CO2 concentration reaches more than 80%.
As shown in Figures 2 and 3, in gas cooler 14, be provided with one-level baffling type demister 26 and one-level grid type demister 27 and rinse the rinse spray pipe of demister, flooding nozzle.Grid type demister 27 is arranged in the top of baffling type demister 26, the about 2mm square hole of grid bore size, adopt and strengthen PP material, droplet more than diameter 5um can be trapped, make gas cooler export water vapour content in clean flue gas and, below 5%, meet oxygen-enriched combustion boiler circulating flue gas quality requirements.The deflection plate 17 of baffling type demister 26 adopts orifice plate, remove fog effect and reentrainment speed and can reach 4m/s, on orifice plate, open as required the aperture of 2～5mm of some, can increase the shock of air-flow and orifice plate, improve except fog effect, can prevent fouling and be conducive to the flushing to demister simultaneously.
For meeting oxygen-enriched combusting flue gas recirculation needs, in circulating flue gas, water vapour content should not be higher than 5%, and therefore gas cooler 14 adopts recirculated water as cooling medium, by external tower type cooler, cooling water circulation is cooling.
Claims (6)
1. for the flue gas desulfurization dewatering system of oxygen-enriched combustion boiler, comprise desulfuration absorbing tower (5), the slurries outlet of desulfuration absorbing tower (5) is connected with the oxidation pond (3) arranging separately with respect to desulfuration absorbing tower (5), oxidation pond (3) is connected with the slurries injection apparatus (6) of desulfuration absorbing tower (5) by slurries circulating conveyor (7), it is characterized in that: also comprise gas cooler (14), the exhanst gas outlet of desulfuration absorbing tower (5) is connected with the gas approach (18) of gas cooler (14), described desulfuration absorbing tower does not arrange demister in (5), in described gas cooler (14), be provided with built-in demister (16), built-in demister (16) is arranged on the position near exhanst gas outlet (19) between the gas approach (18) of gas cooler (14) and exhanst gas outlet (19).
2. the flue gas desulfurization dewatering system for oxygen-enriched combustion boiler as claimed in claim 1, it is characterized in that: the slurries injection apparatus (6) of desulfuration absorbing tower (5) adopts annular grid injection apparatus, this injection apparatus comprises the female pipe of annular (23), and being connected to being parallel to each other and spaced arm (24) of annular female pipe (23) inner side, arm (24) is above arranged nozzle (25).
3. the flue gas desulfurization dewatering system for oxygen-enriched combustion boiler as claimed in claim 2, is characterized in that: it is the nozzle of 135 ° of solid conical surfaces that described nozzle (25) adopts atomizing angle.
4. the flue gas desulfurization dewatering system for oxygen-enriched combustion boiler as described in claim 1,2 or 3, it is characterized in that: described built-in demister (16) comprises that wherein the deflection plate (17) of baffling type demister (26) adopts orifice plate along flue gas flow direction front and back are arranged successively baffling type demister (26) and grid type demister (27).
5. the flue gas desulfurization dewatering system for oxygen-enriched combustion boiler as described in claim 1,2 or 3, it is characterized in that: described gas cooler (14) adopts and comprises spray equipment (15) the water cooling tower using recirculated cooling water as low-temperature receiver, its gas approach (18) under, exhanst gas outlet (19) is upper, and built-in demister (16) is positioned at the top of spray equipment (15).
6. the flue gas desulfurization dewatering system for oxygen-enriched combustion boiler as described in claim 1,2 or 3, is characterized in that: described gas cooler (14) comprises the face formula heat exchanger taking nitrogen as low-temperature receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196424.5U CN203816497U (en) | 2014-04-22 | 2014-04-22 | Flue gas desulfurization and dehydration system for oxygen-enriched combustion boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196424.5U CN203816497U (en) | 2014-04-22 | 2014-04-22 | Flue gas desulfurization and dehydration system for oxygen-enriched combustion boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203816497U true CN203816497U (en) | 2014-09-10 |
Family
ID=51472041
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420196424.5U Expired - Lifetime CN203816497U (en) | 2014-04-22 | 2014-04-22 | Flue gas desulfurization and dehydration system for oxygen-enriched combustion boiler |
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| Country | Link |
|---|---|
| CN (1) | CN203816497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310914A (en) * | 2016-10-20 | 2017-01-11 | 内蒙古京能锡林煤化有限责任公司 | Low-rank-coal upgrading flue gas desulfurization and water recovery method and system |
-
2014
- 2014-04-22 CN CN201420196424.5U patent/CN203816497U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310914A (en) * | 2016-10-20 | 2017-01-11 | 内蒙古京能锡林煤化有限责任公司 | Low-rank-coal upgrading flue gas desulfurization and water recovery method and system |
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