CN206867965U - Reaction fluidized bed system and diversion type rotary circulating fluidized bed desulfurization device comprising same - Google Patents
Reaction fluidized bed system and diversion type rotary circulating fluidized bed desulfurization device comprising same Download PDFInfo
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- CN206867965U CN206867965U CN201720402770.8U CN201720402770U CN206867965U CN 206867965 U CN206867965 U CN 206867965U CN 201720402770 U CN201720402770 U CN 201720402770U CN 206867965 U CN206867965 U CN 206867965U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 113
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 56
- 230000023556 desulfurization Effects 0.000 title abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000007921 spray Substances 0.000 claims abstract description 27
- 230000003009 desulfurizing effect Effects 0.000 claims description 182
- 239000003795 chemical substances by application Substances 0.000 claims description 176
- 239000012530 fluid Substances 0.000 claims description 61
- 239000000463 material Substances 0.000 claims description 26
- 238000011084 recovery Methods 0.000 claims description 17
- 239000000779 smoke Substances 0.000 claims description 16
- 230000006698 induction Effects 0.000 claims description 10
- 235000019504 cigarettes Nutrition 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 7
- 238000005243 fluidization Methods 0.000 claims description 6
- 238000009421 internal insulation Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- 239000000077 insect repellent Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 26
- 230000008569 process Effects 0.000 abstract description 12
- 239000003546 flue gas Substances 0.000 description 46
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 40
- 239000007789 gas Substances 0.000 description 24
- 239000003517 fume Substances 0.000 description 20
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 12
- 239000005864 Sulphur Substances 0.000 description 10
- 239000000843 powder Substances 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 239000000292 calcium oxide Substances 0.000 description 6
- 235000012255 calcium oxide Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 238000009736 wetting Methods 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004939 coking Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
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- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
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- 239000007790 solid phase Substances 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a reaction fluidized bed system and a flow guide type rotary circulating fluidized bed desulfurization device comprising the same, wherein the reaction fluidized bed system comprises a reaction fluidized bed, a first flow guide blade capable of enabling gas to rotate and move upwards, a water ring pipe, a spray nozzle, a desulfurizer nozzle and a desulfurizer pipeline; a desulfurizer pipeline penetrates through the reaction fluidized bed and extends into the reaction fluidized bed, and the tail part of the desulfurizer pipeline is closed; the desulfurizer nozzle is arranged on the periphery of the desulfurizer pipeline and communicated with the interior of the desulfurizer pipeline; the first guide vane is connected to the periphery of the desulfurizer pipeline below the desulfurizer nozzle; the tail part of the water ring pipe is closed and is arranged below the first guide vane; the spray nozzle is arranged on the water ring pipe and is communicated with the inside of the water ring pipe; the reaction fluidized bed is also provided with an axial air inlet, an air outlet and a water inlet. The desulfurization device comprises the reaction fluidized bed system. The utility model discloses desulphurization unit has that desulfurization efficiency is high, process flow is simple, the running cost is low and/or the desulfurizer can circulate the advantage of high-efficient use for a long time.
Description
Technical field
Reaction fluidized system and the flow-guiding type rotating circulating fluidized bed desulfurizing device containing it are the utility model is related to, is belonged to
Technical field of desulfurization.
Background technology
The discharge capacity of China's steel industry atmosphere pollution is very big, at present SO2Remain the most important gaseous contamination of steel mill
Thing.According to statistics, sintering and coking process flue gas SO in iron and steel enterprise2Discharge capacity accounts for whole iron and steel enterprise's flue gas SO2Discharge capacity
More than 60%.In face of environmental requirement increasingly serious now, sintering flue gas SO2Discharge standard will be more strict, therefore, need badly after
The highly efficient desulfurization technical controlling SO of continuous exploitation2Discharge.
CN106139873A discloses a kind of desulfurization by lime gypsum method device, its by using lime masonry desulfurizing agent,
And it is sufficiently mixed stirring with water by crushing grinding and is made and absorb slurry to carry out desulfurization.Although the case desulfuration efficiency is high, desulfurization
Liquid reusable edible, but because the case need to prepare slurry, there is slurry preparation system, so existing, technological process is complicated, takes up an area
The defects of area is big, investment is big；And easily cause fouling, equipment and pipeline in lime tower as desulfurizing agent using lime stone easily to block up
Plug etc..
CN201324595 discloses flue gas of sintering machine head wet magnesium oxide desulphurization device, and Mg is made by using MgO in it
(OH)2Slurries absorb SO2, generation product MgSO3And MgSO4.Although the case desulfuration efficiency is high, crushing is small, at the case flue gas
Reason amount is small, only half of the total treating capacity of sintering device flue gas or so, and the power set that the case is used are more, equipment cost and fortune
Row, maintenance cost are high, and these shortcomings limit the application of the technique.
CN105498503A discloses a kind of novel dual-alkali method fume desulphurization method and flue gas desulphurization system, and it is to utilize
Na2CO3Or NaOH absorbs SO as absorbent2, doctor solution passes through MgO or Mg (OH) again2Carry out sodium salt regeneration so that sodium from
Subcycle utilizes.By solving the problems, such as lime method Ta Neiyi foulings beneficial to the technique of the system, desulfuration efficiency height is also equipped with
The advantages of, but have oxidation by-product Na in the technology doctor solution2SO4Generation, Na2SO4It is difficult to regenerate, longtime running soda disappears
Consumption is big, operating cost is high, and Na2SO4Presence can also reduce the quality of desulfurization product.
In summary, this area needs exploitation badly with desulfuration efficiency is high, technological process is simple, operating cost is low and/or de-
Sulphur agent can circulate the desulfurizer of effective use for a long time.
Utility model content
In view of this, the utility model first purpose is to provide a kind of reaction fluidized system, the reaction fluid bed system
System can apply quick lime fine powder, and as desulfurizing agent, it has desulfuration efficiency high, and technological process is simple, installation, generation and maintenance week
Phase is short, economizes on resources and the advantages that cost of investment.
Another object of the present utility model is to provide a kind of flow-guiding type rotating circulating fluidized bed desulfurizing device, before it includes
State reaction fluidized system, beneficial to the device carry out desulfurization have that desulfuration efficiency is high, technological process is simple, operating cost is low and/
Or desulfurizing agent can circulate the advantages of effective use for a long time.
A further object of the present utility model is to provide using a kind of method of flue gas desulfurization, and it utilizes above-mentioned desulfurizer
Carry out.
A further object of the present utility model is to provide desulfurizing agent recirculation system, and the recovery system can be to greatest extent
Desulfurizing agent of the recovery in desulfurization fume, improve the utilization rate of desulfurizing agent, while realize high-effective dust-removing effect, alleviation subsequently removes
The load of dirt device.
To achieve the above object, on the one hand, the utility model provides a kind of reaction fluidized system, and it includes reaction fluidisation
Bed, the first guide vane, water ring pipe, spray nozzle, desulfurizing agent nozzle and desulfurizing agent pipeline；
The reaction fluidisation bed accessory has tube structure closed at both ends；
The desulfurizing agent pipeline inserts into the inner portion through the reaction fluid bed, and the afterbody of the desulfurizing agent pipeline is in described
React in fluid bed and it is closed；
The desulfurizing agent nozzle positioned at it is described reaction fluid bed inside, and be installed on the desulfurizing agent pipeline periphery and and its
Inside connection；
First guide vane is inside the reaction fluid bed, and it is connected to below the desulfurizing agent nozzle
The periphery of the desulfurizing agent pipeline；
The water ring pipe is inside the reaction fluid bed, water ring pipe afterbody closing, and it leads located at described first
Flow below blade；
The spray nozzle is arranged on the water ring pipe and connected with its inside；
The reaction fluid bed is additionally provided with axial admission mouth, gas outlet and water inlet, and the air inlet is located at the spray nozzle
Lower section, the entrance of the water inlet and the water ring pipe are joined directly together, and the gas outlet is close to the reaction fluid bed top.
In the utility model reacts fluidized system, the axial movement of flue gas is mainly changed into rotation by the first guide vane
Moved in steering, spray nozzle is fully soaked flue gas by water spray, and desulfurizing agent nozzle is fully absorbed by injection desulfurization agent
SO in flue gas2。
When above-mentioned reaction fluidized system is applied into flue gas desulfurization, it uses quick lime fine powder to make desulfurizing agent, flue gas
After the water smoke wetting first sprayed after into reaction fluid bed through spray nozzle, tied outside the guide functions of the first guide vane and auxiliary one
Under air-introduced machine (can be connected with the gas outlet of the reaction fluidized system by pipeline) effect, the flue gas of wetting makees rotation fortune upwards
Dynamic, desulfurizing agent fine powder is sprayed by desulfurizing agent nozzle, is rotated the flue gas moved upwards by fully being contacted with desulfurizing agent fine powder, is reached
The SO into removing flue gas2Effect, the reaction of generation is：CaO+H2O+SO2—CaSO3, CaSO3+O2—CaSO4.Cigarette after desulfurization
Gas carries Desulphurization and the mixed fluidized bed bed of the complete desulfurizing agent composition of unreacted is arranged by the outlet at the top of reaction fluid bed
Go out, the entrance into follow-up desulfurizing agent recirculation system.
As an embodiment of the utility model reaction fluidized system, the reaction fluidized system includes anti-
Answer fluid bed, the first guide vane that gas rotating ascending motion can be made, water ring pipe, spray nozzle, desulfurizing agent nozzle and desulfurizing agent
Pipeline；
The reaction fluidisation bed accessory has with cylindrical tube structure closed at both ends；
The bottom that the desulfurizing agent pipeline axially passes vertically through the reaction fluid bed inserts into the inner portion, the desulfurizing agent pipeline
Afterbody be in it is described reaction fluid bed in and close；
The desulfurizing agent nozzle positioned at it is described reaction fluid bed inside, and be installed on the desulfurizing agent pipeline periphery and and its
Inside connection, the mouthpiece direction of the desulfurizing agent nozzle are horizontal；
First guide vane is inside the reaction fluid bed, and it is connected to below the desulfurizing agent nozzle
The periphery of the desulfurizing agent pipeline；
The water ring pipe is inside the reaction fluid bed, water ring pipe afterbody closing, and it leads located at described first
Flow below blade；
The spray nozzle is arranged on the water ring pipe and connected with its inside, and the mouthpiece of the spray nozzle is vertically downward；
The reaction fluid bed is additionally provided with axial admission mouth, gas outlet and water inlet, and the air inlet is located at the spray nozzle
Lower section；The entrance of the water inlet and the water ring pipe is joined directly together, and the gas outlet is close to the reaction fluid bed top.
As an embodiment of the utility model reaction fluidized system, the reaction fluidisation bed accessory has two end seals
The cylindrical tube structure closed.
As an embodiment of the utility model reaction fluidized system, the desulfurizing agent pipeline is axially worn vertically
Cross the bottom of the reaction fluid bed.
As an embodiment of the utility model reaction fluidized system, the central shaft of the desulfurizing agent pipeline axle
With the center overlapping of axles of the reaction fluid bed.
As an embodiment of the utility model reaction fluidized system, the mouthpiece direction of the desulfurizing agent nozzle
It is horizontal.
It is more from top to bottom as an embodiment of the utility model reaction fluidized system, the desulfurizing agent nozzle
Level is arranged, and every layer in same level around the uniform more desulfurizing agent nozzles of the desulfurizing agent pipeline.Preferably, it is described de-
Sulphur agent nozzle is arranged at many levels from top to bottom, and every layer surrounds uniform 6 desulfurizing agents of the desulfurizing agent pipeline in same level
Nozzle.The SO added in flue gas is set using this multilayer2Contact area and time of contact with desulfurizing agent, improve desulfurization
Efficiency.
As an embodiment of the utility model reaction fluidized system, first guide vane is multi-disc,
Every first guide vane is corrugated blade, the lower end (inlet port) of the corrugated leaf and the diameter parallel of reaction fluid bed
(i.e. inlet blade angle be 90 °), the upper end (outlet port) of the corrugated leaf and the axial direction of reaction fluid bed in 60 ° of angles (i.e.
Outlet blade angle be 30 °), its in same level uniform welding in the desulfurizing agent pipeline periphery.Preferably, it is welded on perpendicular
On the desulfurizing agent pipeline of right cylindrical.30 ° of the outlet blade angle can more fully reduce flue gas and be turned in reaction fluid bed inward turning
Pitch in upper motion process, increase rotating cycle, improve and stop the reaction time.
As an embodiment of the utility model reaction fluidized system, the water ring pipe surrounds the desulfurizing agent
Pipeline is set, and is in mosquito-repellent incense type coil pipe.
As an embodiment of the utility model reaction fluidized system, the vertical court of mouthpiece of the spray nozzle
Under.
On the other hand, the utility model provides a kind of flow-guiding type rotating circulating fluidized bed desulfurizing device, and it includes this practicality
New foregoing reaction fluidized system and the desulfurizing agent recirculation system for reclaiming desulfurizing agent, the desulfurizing agent circulation and stress
System is provided with material inlet；
Gas outlet in the reaction fluidized system passes through the material in pipeline and the desulfurizing agent recirculation system
Import connects.
Preferably, desulfurizing agent recirculation system described in the utility model include the first shell, feed cavity, Venturi tube,
Axial flow cyclone pipe group and blast pipe；
The cone recovery hopper that first shell includes the first cylindrical tube and connected with its lower end；
The feed cavity is closed cylindrical chamber, and it is arranged horizontally in the first cylindrical tube body, and by this
For one cylindrical tube internal insulation into two independent chambers, its upper chambers is collection chamber, and lower chamber is used for installation axle stream
Formula tornadotron group, the blast pipe connect with the collection chamber；
The outlet of the Venturi tube is connected with the entrance of the feed cavity, and the import of the Venturi tube is as the material
Import, it is connected with the gas outlet in the reaction fluidized system by pipeline；
The axial flow cyclone pipe group includes more axial flow cyclone pipes, and every axial flow cyclone Guan Jun is included outside second
Shell, the second guide vane, dipleg and the overflow pipe that can move downward gas rotating are formed；
The second housing includes the second cylindrical tube and the conic tube connected with its lower end, the dipleg are communicated in
The bottom of the conic tube；The top end opening of second cylindrical tube using the charging aperture as the axial flow cyclone pipe, its
Directly axially connected with the feed cavity；
The overflow pipe stretches into the collection chamber inside second cylindrical tube through the feed cavity, and described the
Two guide vanes are connected to the periphery of the overflow pipe and inside second cylindrical tubes.
Axial tornadotron described in the utility model is separating desulfurization fume and fluidized bed material (including Desulphurization and not anti-
Answer complete desulfurizing agent).
Desulfurizing agent recirculation system described in the utility model is by axial flow cyclone pipe, under rotary centrifugal force effect,
Unreacted desulfurizing agent is reclaimed to greatest extent, recycles desulfurizing agent, it is cost-effective.
Desulfurization fume after reacted fluidized system processing is carried from the mixing bed scripture mound that reaction fluid bed comes out
In pipe accelerate after enter feed cavity, by tornadotron charging aperture axially into tornadotron, the water conservancy diversion work through the second guide vane
With making strong rotary eccentric movement, by centrifugal action, solid phase fluidised bed material separates with desulfurization fume, most fluid beds
Bed is moved into dipleg along whirlwind tube wall downward spiral, is discharged into recovery hopper；Desulfurization fume carries part little particle fluidisation
Bed bed by tornadotron center convolution, by overflow pipe discharged upwards by motion, enters subsequent step, example by blast pipe through collection chamber
Such as travel further into deduster.
In an embodiment of desulfurizing agent recirculation system described in the utility model, second guide vane
For multi-disc, every second guide vane is fan-shaped guide vane, its upper end (desulfurization fume and fluidized bed material entrance) with it is described
The diameter parallel (i.e. inlet blade angle be 90 °) of axial flow cyclone pipe, its lower end (desulfurization fume and fluidized bed material outlet) with
In 45 ° of angles (i.e. outlet blade angle is 45 °), it is welded on the periphery of the overflow pipe simultaneously for the axial direction of the axial flow cyclone pipe
Inside second cylindrical tube.45 ° of the outlet blade angle can more fully ensure that desulfurization fume in tornadotron
Rotation dynamics, ensure that the organic efficiency of fluidized bed material, and can also be appropriate reduction pressure drop.
In an embodiment of desulfurizing agent recirculation system described in the utility model, the axial flow cyclone pipe
Group includes 6 axial flow cyclone pipes, and it is distributed in the first cylindrical tube body.
Preferably, the flow-guiding type rotating circulating fluidized bed desulfurizing device also includes desulfurizing agent induction system, deduster, smoke evacuation
System, outer ash discharge storehouse；
The desulfurizing agent induction system includes desulfurizing agent warehouse, and it passes through pipeline and taking off in the reaction fluidized system
Sulphur agent pipeline connects, and the dehvery pump for conveying desulfurizing agent also can be set on the pipeline；
Blast pipe in the desulfurizing agent recirculation system is connected by pipeline with the entrance of the deduster, described to remove
The gas outlet of dirt device is connected by pipeline with the smoke evacuation system, and air-introduced machine is also set up on the pipeline；
Cone recovery hopper in the desulfurizing agent recirculation system is conveyed by pipeline and the desulfurizing agent respectively
System and the outer ash discharge storehouse are connected；
The ash hole of the deduster can be also connected by pipeline with the outer ash discharge cigarette storehouse.
As the embodiment of the utility model one, the flow-guiding type rotating circulating fluidized bed desulfurizing device also includes desulfurization
Agent induction system, deduster, smoke evacuation system, outer ash discharge storehouse；
The desulfurizing agent induction system includes desulfurizing agent warehouse, and it passes through pipeline and taking off in the reaction fluidized system
Sulphur agent pipeline connects, and is provided for conveying the dehvery pump of desulfurizing agent on the pipeline；
Blast pipe in the desulfurizing agent recirculation system is connected by pipeline with the entrance of the deduster, described to remove
The gas outlet of dirt device is connected by pipeline with the smoke evacuation system；
Cone recovery hopper in the desulfurizing agent recirculation system is conveyed by pipeline and the desulfurizing agent respectively
System and the outer ash discharge storehouse are connected；
Air-introduced machine is set between the deduster and the smoke evacuation system；
The ash hole of the deduster is connected with the outer ash discharge cigarette storehouse.
In the flow-guiding type rotating circulating fluidized bed desulfurizing device, desulfurizing agent induction system is defeated by desulfurizing agent by dehvery pump
Desulfurizing agent nozzle is sent to spray into reaction fluidized system.
In the flow-guiding type rotating circulating fluidized bed desulfurizing device, deduster is mainly sack cleaner, de- to remove
The little particle fluidized bed material that sulphur flue gas carries, cleaning flue gases, the flue gas after dedusting are discharged into air by the chimney of smoke evacuation system,
Flue gas after purification is under air-introduced machine effect directly through smoke stack emission.
As described above, the utility model additionally provides a kind of desulfurizing agent recirculation system, it includes the first shell, charging
Chamber, Venturi tube, axial flow cyclone pipe group and blast pipe；
The cone recovery hopper that first shell includes the first cylindrical tube and connected with its lower end；
The feed cavity is closed cylindrical chamber, and it is arranged horizontally in the first cylindrical tube body, and by this
For one cylindrical tube internal insulation into two independent chambers, its upper chambers is collection chamber, and lower chamber is used for installation axle stream
Formula tornadotron group, the blast pipe connect with the collection chamber；
The outlet of the Venturi tube is connected with the entrance of the feed cavity, and the import of the Venturi tube is as the material
Import；
The axial flow cyclone pipe group includes more axial flow cyclone pipes, and every axial flow cyclone Guan Jun is included outside second
Shell, the second guide vane, dipleg and the overflow pipe that can move downward gas rotating are formed；
The second housing includes the second cylindrical tube and the conic tube connected with its lower end, the dipleg are communicated in
The bottom of the conic tube；The top end opening of second cylindrical tube using the charging aperture as the axial flow cyclone pipe, its
Directly axially connected with the feed cavity；
The overflow pipe stretches into the collection chamber inside second cylindrical tube through the feed cavity, and described the
Two guide vanes are connected to the periphery of the overflow pipe and inside second cylindrical tubes；
It is preferred that second guide vane is welded on the periphery of the overflow pipe and in the second cylindrical tube body
Portion.
Preferably, the axial flow cyclone pipe group includes 6 axial flow cyclone pipes, and it is distributed in the first cylindrical tube
It is interior.
Another further aspect, the utility model provide a kind of method of flue gas desulfurization, and this method is rotated using foregoing flow-guiding type
Circulating fluid bed desulfurization device, and this method is using quick lime fine powder as desulfurizing agent, and also use water；
Flue gas is entered by the air inlet in the reaction fluidized system；
Desulfurizing agent is sprayed into by the desulfurizing agent nozzle on the desulfurizing agent pipeline in the reaction fluidized system；
Water enters water ring pipe by the water inlet in the reaction fluidized system and is sprayed into water smoke by the spray nozzle.
Preferably, the air-introduced machine in the desulfurizer is opened in the method.
Preferably, the flue gas is sintering flue gas and/or coking flue gas.
In the utility model method, removing SO is completed in flue gas (sintering/coking flue gas) reaction fluidized system2Mistake
Journey, the process of recovery desulfurizing agent is completed in desulfurizing agent recirculation system, realizes the recycling of desulfurizing agent, final desulfurization fume
Discharged after removing dust device dust separation by chimney.The utility model realizes flue gas in reaction fluid bed in the presence of guide vane
Interior rotary motion, the residence time of flue gas is increased, and combine desulfurizing agent recirculation system, realize the circulation profit of desulfurizing agent
With this method technological process is simple, efficiency high, desulfurizing agent consume less, cost of investment is low.
Compared with prior art, the utility model beneficial effect specific as follows：
(1) guide functions in the utility model after flue gas entrance reaction fluid bed by the first guide vane, are reacting
Make rotation motion upwards in fluid bed, add residence time of the flue gas in reaction fluid bed, improve desulfuration efficiency.
(2) desulfurizing agent nozzle in reaction fluid bed can Multi-layers distributing from top to bottom, add the SO in flue gas2With desulfurization
The contact area of agent and time of contact, improve desulfuration efficiency.
(3) spray nozzle not only can fully soak flue gas in reaction fluid bed, can also be incited somebody to action by adjusting injection flow rate
Reaction bed temperature control system makes desulfuration efficiency higher under optimal reaction temperature.
(4) the utility model separates water injection system and desulfurizing agent system, eliminates pulping device so that technological process is more
Simply, shorten installation, production and maintenance cycle, save resource and cost of investment.
(5) desulfurizing agent recirculation system uses more axial flow cyclone pipes, and is provided with water conservancy diversion in every tornadotron
Blade, greatly strengthen the rotating centrifugal field of force, at utmost realize the recovery of desulfurizing agent so that desulfurizing agent repeatedly circulates profit
With improving the utilization rate of desulfurizing agent, and desulfurizing agent recirculation system can realize high-effective dust-removing effect, greatly alleviate cloth
The entrance load of bag dust collector, realizes the minimum discharge of dust, less than 10mg/Nm3。
(6) circulation desulfurization is grey with outer row's Desulphurization by adjusting, and the amount of circulation desulfurization agent can be controlled, so as to ensure to react
Normal solid-gas ratio in fluid bed.
Brief description of the drawings
Fig. 1 is that the utility model embodiment 1 reacts fluidized system figure.
Fig. 2 is the desulfurizing agent nozzle distribution map of the utility model embodiment 1.
Fig. 3 is the first guide vane 3 D stereo that the utility model embodiment 1 reacts two width different visual angles in fluid bed
Figure.
Fig. 4 is the spray nozzle distribution map of the utility model embodiment 1.
Fig. 5 is the flow-guiding type rotating circulating fluidized bed desulfurizing device figure of the utility model embodiment 1.
Fig. 6 is the desulfurizing agent recirculation system figure of the utility model embodiment 1.
Fig. 7 is the axial flow cyclone pipe component Butut of the utility model embodiment 1.
Fig. 8 is the axial flow cyclone tubular construction figure of the utility model embodiment 1.
Fig. 9 is the tornadotron 3 dimensional drawing of the width different visual angles of the utility model embodiment 1 two.
Label has following meaning in figure：
1：React fluidized system；2：Desulfurizing agent recirculation system；3：Deduster；4：Air-introduced machine；5：Chimney；6：Conveying
Pump；7：Outer ash discharge storehouse；8：Desulfurizing agent warehouse；9：Dehvery pump；12：React fluid bed；13：First guide vane；14：Water ring pipe；
15：Desulfurizing agent pipeline；16：Desulfurizing agent nozzle；17：Spray nozzle；21：Venturi tube；22：Feed cavity；23：First cylindrical tube
Body；24：Cone recovery hopper；25：Blast pipe；26：Collection chamber；27：Axial flow cyclone pipe；271：Second guide vane；
272：Second cylindrical tube；273：Dipleg；274：Overflow pipe；275：Divergent-cone wall.
Embodiment
In order to which the technical characteristics of the utility model, purpose and beneficial effect are more clearly understood, in conjunction with specific
Embodiment carries out described further below to the technical solution of the utility model, it should be understood that it is new that these examples are merely to illustrate this practicality
Type rather than limitation the scope of the utility model.
Embodiment 1
The present embodiment provide it is a kind of react fluidized system and flow-guiding type rotating circulating fluidized bed desulfurizing device containing it and
The desulfurizer is applied to the method for flue gas desulfurization.
As shown in figure 1, the reaction fluidized system 1 includes reaction fluid bed 12, can make the of gas rotating ascending motion
One guide vane 13, water ring pipe 14, spray nozzle 17, desulfurizing agent nozzle 16 and desulfurizing agent pipeline 15, the desulfurizing agent pipeline 15 are circle
Cylindrical tube；
The reaction fluid bed 12 has cylindrical tube structure closed at both ends；
The desulfurizing agent pipeline 15 inserts into the inner portion axially across the bottom of the reaction fluid bed 12, the desulfurizing agent pipeline
15 afterbody is in the reaction vulcanization bed and closed；The central shaft of the desulfurizing agent pipeline 15 and the cylindrical tube central shaft weight
Close；
The desulfurizing agent nozzle 16 is installed on the periphery of desulfurizing agent pipeline 15 inside the reaction fluid bed 12
And connected with its inside；The desulfurizing agent nozzle 16 multi-level 5 layers of arrangement from top to bottom, every layer of desulfurizing agent nozzle distribution map
As shown in Fig. 2 it surrounds described 15 uniform 6 desulfurizing agent nozzles 16 of desulfurizing agent pipeline, its mouthpiece direction in same level
It is horizontal；
Two width different visual angles the first guide vane 3 dimensional drawings are as shown in figure 3, described first leads in reaction fluid bed 12
Blade 13 is flowed inside the reaction fluid bed 12, and it is welded on the desulfurizing agent pipe below the desulfurizing agent nozzle 16
The periphery in road 15；First guide vane 13 is multi-disc, and every first guide vane 13 is corrugated blade, and its lower end (is entered
Gas port end) diameter parallel (i.e. inlet blade angle be 90 °) with reaction fluid bed；The upper end (outlet port) of the corrugated leaf with
The axial direction for reacting fluid bed takes off in 60 ° of angles (i.e. outlet blade angle is 30 °), its uniform welding in same level described
The periphery of sulphur agent pipeline 15；
The water ring pipe 14 is inside the reaction fluid bed 12, the afterbody of water ring pipe 14 closing, and it is located at described
The lower section of first guide vane 13；The water ring pipe 14 is set around the desulfurizing agent pipeline 15, and is in mosquito-repellent incense type coil pipe；The spray
Mist mouth distribution map is as shown in figure 4, the spray nozzle 17 is arranged on the water ring pipe 14 and connected with its inside, the vertical court of its mouthpiece
Under；
The reaction fluid bed 12 is additionally provided with air inlet, gas outlet and water inlet, and the air inlet is axial admission mouth, and it sets
In the lower section of spray nozzle 17, the entrance of the water inlet and the water ring pipe 14 is joined directly together, and the gas outlet is anti-close to this
Answer the top of fluid bed 12.
The flow-guiding type rotating circulating fluidized bed desulfurizing device that the present embodiment provides is as shown in figure 5, it includes foregoing reaction
Fluidized system 1, desulfurizing agent recirculation system 2, desulfurizing agent induction system, deduster 3, smoke evacuation system, outer ash discharge storehouse 7；
The desulfurizing agent recirculation system 2 as shown in fig. 6, it include the first shell, feed cavity 22, Venturi tube 21,
Axial flow cyclone pipe group and blast pipe 25；
The cone recovery hopper 24 that first shell includes the first cylindrical tube 23 and connected with its lower end；
The feed cavity 22 is closed cylindrical chamber, and it is arranged horizontally in first cylindrical tube 23, and will
The internal insulation of first cylindrical tube 23 is collection chamber 26 into two independent chambers, its upper chambers, and lower chamber is used for
Axial-flow type tornadotron group is installed, the blast pipe 25 connects with the collection chamber 26；
The outlet of the Venturi tube 21 is connected with the entrance of the feed cavity 22, and the import of the Venturi tube 21 is as institute
The material inlet of desulfurizing agent recirculation system 2 is stated, it is connected with the gas outlet in the reaction fluidized system 1 by pipeline
Connect；
For axial flow cyclone pipe component Butut as shown in fig. 7, it includes 6 axial flow cyclone pipes 27, it is distributed in the first circle
In column-shaped barrel 23.Every axial flow cyclone tubular construction figure is as shown in figure 8,3 dimensional drawing such as Fig. 9 of its two width different visual angles
It is shown,
The second guide vane that each axial flow cyclone pipe 27 includes second housing, can move downward gas rotating
271st, dipleg 273 and overflow pipe 274 are formed；
Second guide vane is fan-shaped guide vane, its upper end (desulfurization fume and fluidized bed material entrance) with it is described
The diameter parallel of axial flow cyclone pipe (i.e. inlet blade angle is 90 °)；Its lower end (desulfurization fume and fluidized bed material outlet) with
The axial direction of the axial flow cyclone pipe is in 45 ° of angles (i.e. outlet blade angle is 45 °)；
The second housing includes the second cylindrical tube 272 and the divergent-cone wall 275 connected with its lower end, the material
Leg 273 is communicated in the bottom of the divergent-cone wall 275；The top end opening of second cylindrical tube 272 is to be used as the axle stream
The charging aperture of formula tornadotron 27, it is directly axially connected with the feed cavity 22；
The overflow pipe 274 stretches into the gas collection from the inside of the second cylindrical tube 272 through the feed cavity 22
Room 26, second guide vane 271 are welded on the periphery of the overflow pipe 274 and are located at second cylindrical tube 272
It is internal；The desulfurizing agent induction system includes desulfurizing agent warehouse 8, and it passes through pipeline and taking off in the reaction fluidized system 1
Sulphur agent pipeline 15 connects, and is provided for conveying the dehvery pump 9 of desulfurizing agent on the pipeline；
Blast pipe 25 in the desulfurizing agent recirculation system 2 is connected with the entrance of the deduster 3；
The smoke evacuation system includes institute's chimney 5, and the gas outlet of the deduster 3 is connected by pipeline with the chimney 5, described
Air-introduced machine 4 is set on the pipeline between deduster 3 and the chimney 5；
Cone recovery hopper 24 in the desulfurizing agent recirculation system 2 is defeated by pipeline and the desulfurizing agent respectively
System and the outer ash discharge storehouse 7 is sent to be connected；The ash hole of the deduster 3 is also connected by pipeline with the outer ash discharge cigarette storehouse 7,
Dehvery pump 6 is set on the pipeline.
When the present embodiment flow-guiding type rotating circulating fluidized bed desulfurizing device is applied into flue gas desulfurization, it is with quick lime fine powder
As desulfurizing agent, and also use water；Flue gas is entered by the air inlet in the reaction fluidized system 1；Desulfurizing agent can be put
Put in desulfurizing agent warehouse 8, and the desulfurizing agent pipeline 15 in the reaction fluidized system 1 is pumped into by dehvery pump 9, make it from de-
Sulphur agent nozzle 16 enters；Water enters water ring pipe 14 by the water inlet in the reaction fluidized system 1 and passes through the spraying
Mouth is sprayed into water smoke；In addition, the air-introduced machine 4 in implementing also to open the desulfurizer during desulfurization.Specifically, carried out using the device
Include following two paths during flue gas desulfurization：
Smoke path：Flue gas first axially enters in the reaction fluid bed 12 in reaction fluidized system 1, rises in flue gas
During wetting is fully contacted with the atomized water that spray nozzle 17 gushes out first, then make through the first guide vane 13 and air-introduced machine 4
Under, the flue gas of wetting makees rotation motion upwards in reaction fluid bed 12, in upward motion process is rotated, is sprayed with desulfurizing agent
The desulfurizing agent fine powder that mouth 16 gushes out contacts at many levels, fully by the SO in flue gas2Absorb cleared, flue gas after desulfurization carries de-
The mixed fluidized bed bed of sulphur ash and the complete desulfurizing agent composition of unreacted is entered in desulfurizing agent recirculation system 2.De-
In sulphur agent recirculation system 2, desulfurization fume carries mixed fluidized bed bed and accelerates into charging by Venturi tube 21 first
In chamber 22, then axially into more axial flow cyclone pipes 27, by the guide functions of the second guide vane 271, in whirlwind
Strong rotational flow field is formed in cylinder, under the action of the centrifugal force, desulfurization fume and fluidized bed material realize separation, desulfurization fume
The fluidized bed material for carrying part fine particle forms the upward internal cyclone of spiral at the center of tornadotron, finally by overflow pipe
274 discharges, deduster 3 is entered by blast pipe 25 through collection chamber 26.Deduster 3 is generally sack cleaner, mainly by desulfurization cigarette
The fluidized bed material for the part fine particle being carried out in gas is cleared, realizes the effect of desulfurization fume dedusting, finally, clean cigarette
Gas is discharged into air by chimney 5.
Desulfurizing agent path：Desulfurizing agent uses quick lime fine powder.Desulfurizing agent is by desulfurizing agent warehouse 8 in the presence of dehvery pump 9
Into in the desulfurizing agent pipeline 15 (cylindrical pipe) of reaction fluidized system 1, reaction fluid bed is sprayed into through desulfurizing agent nozzle 16
In 12, then fully contact with rotating the wetting flue gas that moves upwards, the SO in absorbing and removing flue gas2, then desulfurization fume carrying
The mixed fluidized bed bed of Desulphurization and the complete desulfurizing agent composition of unreacted is entered in desulfurizing agent recirculation system 2.
In desulfurizing agent recirculation system 2, first desulfurization fume carry mixed fluidized bed bed by Venturi tube 21 accelerate into
Expect in chamber 22, then axially into more axial flow cyclone pipes 27, by the guide functions of the second guide vane 271, revolving
Strong rotational flow field is formed in air duct body, under the action of the centrifugal force, desulfurization fume and fluidized bed material realize separation, exhausted big portion
The fluidized bed material divided forms external cyclone along whirlwind tube wall downward spiral and moved, and is finally discharged into conical reclaimed materials through dipleg 273
Bucket 24.The bed of the fluidized bed material of recovery about 99% is sent in reaction fluid bed 12 and recycled, only about 1% bed conduct
Byproduct Desulphurization is discharged into outer ash discharge storehouse 7；Part little particle fluidized bed material carries spiral upwards from overflow through desulfurization fume
Pipe 274 enters deduster 3 through collection chamber 26 by blast pipe 25, and final little particle fluidized bed material is collected in deduster 3,
It is discharged into as outer row's Desulphurization in outer ash discharge storehouse 7.
What is finally illustrated is：Above example is merely to illustrate implementation process and feature of the present utility model, and unrestricted
The technical solution of the utility model, although the utility model is described in detail with reference to above-described embodiment, this area it is general
Logical technical staff should be understood：The utility model can still be modified or equivalent substitution, it is new without departing from this practicality
Any modification or partial replacement of the spirit and scope of type, it all should cover among the scope of protection of the utility model.
Claims (10)
1. one kind reaction fluidized system, it is characterised in that：The reaction fluidized system includes reaction fluid bed, can make gas
Rotate the first guide vane, water ring pipe, spray nozzle, desulfurizing agent nozzle and the desulfurizing agent pipeline of ascending motion；
The reaction fluidisation bed accessory has with cylindrical tube structure closed at both ends；
The bottom that the desulfurizing agent pipeline axially passes vertically through the reaction fluid bed inserts into the inner portion, the tail of the desulfurizing agent pipeline
Portion is in the reaction fluid bed and closed；
The desulfurizing agent nozzle positioned at it is described reaction fluid bed inside, and be installed on the desulfurizing agent pipeline periphery and with inside it
Connection, the mouthpiece direction of the desulfurizing agent nozzle are horizontal；
First guide vane inside the reaction fluid bed, and its be connected to below the desulfurizing agent nozzle it is described
The periphery of desulfurizing agent pipeline；
The water ring pipe is inside the reaction fluid bed, water ring pipe afterbody closing, and it is located at the first water conservancy diversion leaf
Below piece；
The spray nozzle is arranged on the water ring pipe and connected with its inside, and the mouthpiece of the spray nozzle is vertically downward；
The reaction fluid bed is additionally provided with axial admission mouth, gas outlet and water inlet, and the air inlet is below the spray nozzle；
The entrance of the water inlet and the water ring pipe is joined directly together, and the gas outlet is close to the reaction fluid bed top.
2. reaction fluidized system according to claim 1, it is characterised in that：The central shaft of the desulfurizing agent pipeline axle with
The center overlapping of axles of the reaction fluid bed.
3. reaction fluidized system according to claim 1, it is characterised in that：Desulfurizing agent nozzle multilayer from top to bottom
Secondary arrangement, every layer surrounds the uniform 6 desulfurizing agent nozzles of the desulfurizing agent pipeline in same level.
4. reaction fluidized system according to claim 1, it is characterised in that：First guide vane is multi-disc, often
The guide vane of piece first is corrugated blade, the lower end of the corrugated leaf and the diameter parallel of reaction fluid bed, the corrugated leaf
Upper end with reaction fluid bed axial direction be in 60 ° of angles, its in same level uniform welding outside the desulfurizing agent pipeline
Week.
5. reaction fluidized system according to claim 1, it is characterised in that：The water ring pipe surrounds the desulfurizing agent pipe
Road is set, and is in mosquito-repellent incense type coil pipe.
A kind of 6. flow-guiding type rotating circulating fluidized bed desulfurizing device, it is characterised in that：The flow-guiding type rotating circulating fluid-bed sweetening
Device includes reaction fluidized system according to any one of claims 1 to 5 and the desulfurizing agent for reclaiming desulfurizing agent circulates
Recovery system, the desulfurizing agent recirculation system are provided with material inlet；
Gas outlet in the reaction fluidized system passes through the material inlet in pipeline and the desulfurizing agent recirculation system
Connection.
7. flow-guiding type rotating circulating fluidized bed desulfurizing device according to claim 6, it is characterised in that：The desulfurizing agent follows
Ring recovery system includes the first shell, feed cavity, Venturi tube, axial flow cyclone pipe group and blast pipe；
The cone recovery hopper that first shell includes the first cylindrical tube and connected with its lower end；
The feed cavity is closed cylindrical chamber, and it is arranged horizontally in the first cylindrical tube body, and this first is justified
For column-shaped barrel internal insulation into two independent chambers, its upper chambers is collection chamber, and lower chamber is used to install axial-flow type rotation
Airduct group, the blast pipe connect with the collection chamber；
The outlet of the Venturi tube is connected with the entrance of the feed cavity, and the import of the Venturi tube is entered as the material
Mouthful, it is connected with the gas outlet in the reaction fluidized system by pipeline；
The axial flow cyclone pipe group includes more axial flow cyclone pipes, and every axial flow cyclone Guan Jun includes second housing, energy
The second guide vane, dipleg and the overflow pipe for moving downward gas rotating are formed；
The second housing includes the second cylindrical tube and the conic tube connected with its lower end, the dipleg are communicated in the circle
The bottom of conic tube；For the top end opening of second cylindrical tube using the charging aperture as the axial flow cyclone pipe, its is direct
Axially connected with the feed cavity；
The overflow pipe stretches into the collection chamber from inside second cylindrical tube through the feed cavity, and described second leads
Stream blade is connected to the periphery of the overflow pipe and inside second cylindrical tube.
8. flow-guiding type rotating circulating fluidized bed desulfurizing device according to claim 7, it is characterised in that：Second water conservancy diversion
Blade is multi-disc, and every second guide vane is the diameter parallel of fan-shaped guide vane, its upper end and the axial flow cyclone pipe,
The axial direction of its lower end and the axial flow cyclone pipe be in 45 ° of angles, and it is welded on the periphery of the overflow pipe and is located at described the
Inside two cylindrical tubes.
9. flow-guiding type rotating circulating fluidized bed desulfurizing device according to claim 7, it is characterised in that：The axial-flow type rotation
Airduct group includes 6 axial flow cyclone pipes, and it is distributed in the first cylindrical tube body.
10. the flow-guiding type rotating circulating fluidized bed desulfurizing device according to any one of claim 6~9, it is characterised in that：
The flow-guiding type rotating circulating fluidized bed desulfurizing device also includes desulfurizing agent induction system, deduster, smoke evacuation system, outer ash discharge storehouse；
The desulfurizing agent induction system includes desulfurizing agent warehouse, and it passes through pipeline and the desulfurizing agent in the reaction fluidized system
Pipeline connects, and is provided for conveying the dehvery pump of desulfurizing agent on the pipeline；
Blast pipe in the desulfurizing agent recirculation system is connected by pipeline with the entrance of the deduster, the deduster
Gas outlet be connected by pipeline with the smoke evacuation system；
Cone recovery hopper in the desulfurizing agent recirculation system passes through pipeline and the desulfurizing agent induction system respectively
And the outer ash discharge storehouse is connected；
Air-introduced machine is set between the deduster and the smoke evacuation system；
The ash hole of the deduster is connected with the outer ash discharge cigarette storehouse.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720402770.8U CN206867965U (en) | 2017-04-18 | 2017-04-18 | Reaction fluidized bed system and diversion type rotary circulating fluidized bed desulfurization device comprising same |
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|---|---|---|---|
| CN201720402770.8U CN206867965U (en) | 2017-04-18 | 2017-04-18 | Reaction fluidized bed system and diversion type rotary circulating fluidized bed desulfurization device comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106902622A (en) * | 2017-04-18 | 2017-06-30 | 中冶京诚工程技术有限公司 | Reaction fluidized bed system and diversion type rotary circulating fluidized bed desulfurization device comprising same |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106902622A (en) * | 2017-04-18 | 2017-06-30 | 中冶京诚工程技术有限公司 | Reaction fluidized bed system and diversion type rotary circulating fluidized bed desulfurization device comprising same |
| CN106902622B (en) * | 2017-04-18 | 2023-07-07 | 中冶京诚工程技术有限公司 | Reaction fluidized bed system and diversion type rotary circulating fluidized bed desulfurization device comprising same |
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