CN117563410B - Flue gas desulfurization treatment device for pulverized coal boiler - Google Patents
Flue gas desulfurization treatment device for pulverized coal boiler Download PDFInfo
- Publication number
- CN117563410B CN117563410B CN202311651633.4A CN202311651633A CN117563410B CN 117563410 B CN117563410 B CN 117563410B CN 202311651633 A CN202311651633 A CN 202311651633A CN 117563410 B CN117563410 B CN 117563410B
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- CN
- China
- Prior art keywords
- flue gas
- belt wheel
- desulfurizing tower
- pulverized coal
- bevel gear
- 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.)
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000003546 flue gas Substances 0.000 title claims abstract description 56
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 30
- 230000023556 desulfurization Effects 0.000 title claims abstract description 30
- 239000003245 coal Substances 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 12
- 230000003009 desulfurizing effect Effects 0.000 claims description 50
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000001802 infusion Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention discloses a flue gas desulfurization treatment device of a pulverized coal boiler, which relates to the technical field of flue gas desulfurization treatment and comprises a gas unfolding mechanism arranged in a desulfurization tower.
Description
Technical Field
The invention relates to the technical field of flue gas desulfurization treatment, in particular to a flue gas desulfurization treatment device of a pulverized coal boiler.
Background
Pulverized coal boilers are industrial or utility boilers which produce heat energy by burning pulverized coal which is blown into a combustion chamber, which is ground to a fine particle size, mixed with air and burned in a flue gas stream, biomass and other materials being added to the mixture. The smoke is a product of pulverized coal combustion, the smoke is a mixture of gas and smoke dust, the smoke dust is a main cause for polluting the atmosphere of residential areas, the smoke dust has complex components, the gas comprises water vapor, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbon, oxynitride and the like, and the smoke dust comprises ash, coal particles, oil drops, pyrolysis products and the like of fuel. The existing flue gas will be discharged into the desulfurizing tower after the electrostatic dust removal is completed, desulfurization treatment is carried out, wet flue gas desulfurization is mostly adopted in the prior art, liquid desulfurizing agent is contacted with the flue gas, thereby the desulfurization of the flue gas is completed, multilayer nozzles are often adopted in the existing desulfurizing tower, a large amount of liquid desulfurizing agent is sprayed to complete the desulfurization, the liquid desulfurizing agent is wasted in the desulfurizing process of the existing desulfurizing tower, the dosage of the whole liquid desulfurizing agent is large, and meanwhile, when the flue gas enters the desulfurizing tower, the flue gas cannot be uniformly distributed everywhere, the flue gas is often concentrated at a certain place to rise, the whole desulfurizing efficiency and desulfurizing effect are seriously affected, meanwhile, the flue gas rises faster, and the reaction with the liquid desulfurizing agent cannot be completed for a sufficient time, so that the whole desulfurizing effect is poor.
Disclosure of Invention
The invention aims to provide a flue gas desulfurization treatment device for a pulverized coal boiler, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The flue gas desulfurization treatment device of the pulverized coal boiler comprises a gas unfolding mechanism arranged in a desulfurization tower;
The gas unfolding mechanism comprises fixing plates which are fixedly arranged in an equidistant manner in the desulfurizing tower, each pair of fixing plates are respectively provided with a rotating shaft corresponding to the fixing plates in a rotating manner, each rotating shaft is respectively provided with a rotating plate corresponding to the fixing plates in a fixed manner, every two adjacent rotating shafts are connected through universal joints, a pair of adjacent rotating shafts are fixedly connected through driving rotating shafts, the driving rotating shafts are also connected through universal joints, a first belt wheel is fixedly arranged in the driving rotating shafts, one side of the first belt wheel is provided with a second belt wheel, the first belt wheel and the second belt wheel are externally wound with the same driving belt, and the first belt wheel and the second belt wheel are synchronously driven through the driving belt.
Preferably, the desulfurizing tower is internally and fixedly provided with a nozzle connecting pipe, the nozzle connecting pipe is internally and rotatably provided with an impeller, one side of the impeller is fixedly provided with a connecting column, one end of the connecting column is fixedly provided with a second bevel gear, the second bevel gear is in meshed transmission with a first bevel gear, the first bevel gear is fixedly connected with a second belt wheel, the first bevel gear is rotationally connected with a fixing column, and the fixing column is fixedly connected with the desulfurizing tower.
Preferably, the other end of the impeller is fixedly provided with a speed limiting impeller, the nozzle connecting pipes are fixedly provided with nozzles in an equidistant arrangement mode, and the flue gas hood is fixedly arranged in the desulfurizing tower.
Preferably, the fixed supporting legs that are equipped with of desulfurizing tower bottom equidistance arrangement, fixed No. one protective housing that is equipped with in the initiative pivot, fixed No. two protective housing that are equipped with on the fixed column.
Preferably, the nozzle connecting pipe is fixedly connected with the infusion tube, the other end of the infusion tube is fixedly connected with the input end of the liquid desulfurizing agent, the desulfurizing tower is also fixedly connected with the air inlet pipe, a flue gas space is arranged between the air inlet pipe and the flue gas cover, and the top end of the desulfurizing tower is fixedly connected with the exhaust pipe.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the rising flue gas is pushed out to the periphery through the overturning plate, the rising flue gas clusters are spread out, the plane area of the flue gas in the rising process is increased, so that the flue gas is more fully contacted with the liquid desulfurizing agent sprayed by the nozzle in the rising process, meanwhile, the rising speed of the flue gas can be reduced through the matching of the gas unfolding mechanism and the top end speed limiting fan, the contact effect of the flue gas and the liquid desulfurizing agent is greatly improved, the contact time of the flue gas and the liquid desulfurizing agent is greatly prolonged, the reaction time of the liquid desulfurizing agent and the flue gas is prolonged, the integral desulfurizing effect is greatly improved, the dosage of the liquid desulfurizing agent used integrally can be reduced, and a part of economic expenditure is saved.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention.
Fig. 2 is a schematic view of a first partial structure according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a second partial structure according to an embodiment of the present invention.
Fig. 4 is an enlarged schematic diagram of fig. 2 at a according to an embodiment of the present invention.
FIG. 5 is an enlarged schematic view of the portion B in FIG. 3 according to an embodiment of the present invention.
FIG. 6 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 3.
In the figure: 11. a desulfurizing tower; 12. an air inlet pipe; 13. an exhaust pipe; 14. an infusion tube; 15. a flue gas space; 16. a flue gas hood; 17. a nozzle connecting pipe; 18. a nozzle; 19. a speed limiting impeller; 20. a connecting column; 21. a second protective shell; 22. a first protective shell; 23. a fixing plate; 24. a rotating shaft; 25. a rotating plate; 26. a driving rotating shaft; 27. a transmission belt; 28. fixing the column; 29. an impeller; 30. a two-size bevel gear; 31. a first bevel gear; 32. a second belt wheel; 33. a first belt wheel; 34. supporting feet; 61. a gas deployment mechanism;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the flue gas desulfurization treatment device for the pulverized coal boiler comprises a gas unfolding mechanism 61 arranged inside a desulfurization tower 11.
The gas unfolding mechanism 61 comprises fixing plates 23 fixedly arranged in the desulfurizing tower 11 at equal intervals, rotating shafts 24 corresponding to the fixing plates are arranged between each pair of fixing plates 23, rotating plates 25 corresponding to the rotating plates are fixedly arranged on each rotating shaft 24, two adjacent rotating shafts 24 are connected through universal joints, one pair of adjacent rotating shafts 24 are fixedly connected through a driving rotating shaft 26, the driving rotating shaft 26 is also connected with the rotating shafts 24 through universal joints, a first belt pulley 33 is fixedly arranged on the driving rotating shaft 26, a second belt pulley 32 is arranged on one side of the first belt pulley 33, the same driving belt 27 is wound outside the second belt pulley 32, and the first belt pulley 33 and the second belt pulley 32 are synchronously driven through the driving belt 27.
The desulfurizing tower 11 is characterized in that a nozzle connecting pipe 17 is fixedly arranged in the desulfurizing tower 11, an impeller 29 is rotationally arranged in the nozzle connecting pipe 17, the impeller 29 is driven by the transportation of a liquid desulfurizing agent, a connecting column 20 is fixedly arranged on one side of the impeller 29, a two-number bevel gear 30 is fixedly arranged at one end of the connecting column 20, the two-number bevel gear 30 is meshed with a first-number bevel gear 31 for transmission, the first-number bevel gear 31 is fixedly connected with a second-number belt pulley 32, the first-number bevel gear 31 is rotationally connected with a fixed column 28, and the fixed column 28 is fixedly connected with the desulfurizing tower 11.
The other end of the impeller 29 is fixedly provided with a speed limiting impeller 19, the nozzle connecting pipes 17 are fixedly provided with nozzles 18 in an equidistant arrangement, the flue gas hood 16 is fixedly arranged in the desulfurizing tower 11, and the flue gas hood 16 is used for controlling the rising direction of flue gas.
The desulfurizing tower 11 bottom equidistance is arranged fixedly and is equipped with supporting legs 34, the supporting legs 34 are used for supporting, the initiative pivot 26 is last to be fixed to be equipped with No. one protective housing 22, no. one protective housing 22 is used for protecting No. one band pulley 33, the fixed column 28 is last to be fixed to be equipped with No. two protective housings 21, no. two protective housings 21 are used for protecting No. one bevel gear 31 No. two band pulleys 32 No. two bevel gears 30.
Advantageously, the nozzle connecting pipe 17 is fixedly connected with the infusion pipe 14, the other end of the infusion pipe 14 is fixedly connected with the input end of the liquid desulfurizing agent, the desulfurizing tower 11 is also fixedly connected with the air inlet pipe 12, a flue gas space 15 is arranged between the air inlet pipe 12 and the flue gas cover 16, and the top end of the desulfurizing tower 11 is fixedly connected with the exhaust pipe 13.
The application method of the invention comprises the following steps:
The initial state is as follows: the belt 27 is in a tight state, and each of the rotating plates 25 is in a horizontal state.
When the desulfurization treatment of the flue gas is to be carried out, a user needs to prepare a liquid desulfurizing agent in advance, when the desulfurization treatment device is started, the flue gas enters the flue gas space 15 through the air inlet pipe 12 and rises through the flue gas cover 16, at the moment, the liquid desulfurizing agent enters the infusion pipe 14 through an external device, and enters the nozzle connecting pipe 17 through the infusion pipe 14, and spraying is started through the nozzle 18, the sprayed desulfurizing agent contacts with the flue gas, the liquid desulfurizing agent is transported to drive the impeller 29 to rotate along with the spraying of the nozzle 18, the rotation of the impeller 29 drives the connecting column 20 to rotate, so that the second belt pulley 30 is driven to rotate, the first belt pulley 31 is driven to rotate, the first belt pulley 33 is driven to rotate through the driving rotary shaft 26, the rotary shaft 24 is driven to rotate through the rotary shaft 26, the driving rotary plate 25 is driven to rotate, the rotation of the driving rotary plate 25 contacts with the flue gas, the rotation of the impeller 29 drives the connecting column 20 to rotate, the whole desulfurization agent is driven to rotate, the whole flue gas is driven to rotate, the whole desulfurization treatment device is contacted with the flue gas is driven to rotate, the whole desulfurization treatment device is more fully, the whole desulfurization treatment device is contacted with the flue gas is driven to rotate, the whole desulfurization treatment device is more completely, the whole desulfurization treatment device is contacted with the flue gas, and the whole is contacted with the flue gas is more completely, and the whole desulfurization treatment device is greatly reduced, and the whole is contacted with the whole flue gas is contacted with the flue gas, and has a high-gas, and has a high speed treatment effect. The desulfurized flue gas is discharged to the next zone to be treated through the exhaust pipe 13.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a pulverized coal boiler flue gas desulfurization processing apparatus, includes gas expansion mechanism (61) that sets up in desulfurizing tower (11) inside, its characterized in that:
The gas unfolding mechanism (61) comprises fixed plates (23) which are fixedly arranged in the desulfurizing tower (11) at equal intervals, rotating shafts (24) corresponding to the fixed plates are respectively arranged between each pair of the fixed plates (23), rotating plates (25) corresponding to the rotating shafts are respectively fixedly arranged on each rotating shaft (24), two adjacent rotating shafts (24) are connected through universal joints, a pair of adjacent rotating shafts (24) are fixedly connected through a driving rotating shaft (26), the driving rotating shaft (26) is also connected with the rotating shafts (24) through universal joints, a first belt wheel (33) is fixedly arranged on the driving rotating shaft (26), a second belt wheel (32) is arranged on one side of the first belt wheel (33), the same driving belt (27) is arranged outside the first belt wheel (33) and the second belt wheel (32) in a winding mode, and synchronous driving is carried out between the first belt wheel (33) and the second belt wheel (32) through the driving belt (27);
A nozzle connecting pipe (17) is fixedly arranged in the desulfurizing tower (11), and an impeller (29) is rotationally arranged in the nozzle connecting pipe (17);
a connecting column (20) is fixedly arranged on one side of the impeller (29), a second bevel gear (30) is fixedly arranged at one end of the connecting column (20), and the second bevel gear (30) is meshed with a first bevel gear (31) for transmission;
The first bevel gear (31) is fixedly connected with the second belt wheel (32), the first bevel gear (31) is rotationally connected with the fixed column (28), and the fixed column (28) is fixedly connected with the desulfurizing tower (11);
The other end of the impeller (29) is fixedly provided with a speed limiting impeller (19), nozzles (18) are fixedly arranged on the nozzle connecting pipes (17) in an equidistant arrangement mode, and a flue gas hood (16) is fixedly arranged in the desulfurizing tower (11).
2. The pulverized coal boiler flue gas desulfurization treatment device according to claim 1, wherein: the desulfurization tower (11) bottom equidistance is arranged fixedly and is equipped with supporting legs (34), fixed being equipped with No. one protective housing (22) on initiative pivot (26), fixed being equipped with No. two protective housings (21) on fixed column (28).
3. The pulverized coal boiler flue gas desulfurization treatment device according to claim 1, wherein: the nozzle connecting pipe (17) is fixedly connected with the infusion pipe (14), the other end of the infusion pipe (14) is fixedly connected with the input end of the liquid desulfurizing agent, and the desulfurizing tower (11) is also fixedly connected with the air inlet pipe (12).
4. A pulverized coal boiler flue gas desulfurization treatment device according to claim 3, characterized in that: a flue gas space (15) is arranged between the air inlet pipe (12) and the flue gas cover (16), and the top end of the desulfurizing tower (11) is fixedly communicated with the air outlet pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311651633.4A CN117563410B (en) | 2023-12-05 | Flue gas desulfurization treatment device for pulverized coal boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311651633.4A CN117563410B (en) | 2023-12-05 | Flue gas desulfurization treatment device for pulverized coal boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117563410A CN117563410A (en) | 2024-02-20 |
| CN117563410B true CN117563410B (en) | 2024-06-07 |
Family
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150004047U (en) * | 2014-04-28 | 2015-11-05 | 이승상 | flue construction of preventing gas noise of boiler |
| WO2016050030A1 (en) * | 2014-09-29 | 2016-04-07 | 北京国电清新环保技术股份有限公司 | Rotational flow and sink flow-coupling integrated system for ultra-clean desulphuration and dedusting and desulphuration and dedusting method therefor |
| CN108722160A (en) * | 2018-08-09 | 2018-11-02 | 孙菊萍 | A kind of energy-saving and emission-reduction exhaust gas desulfurization column |
| CN214287530U (en) * | 2020-12-31 | 2021-09-28 | 杭州巴斯伏纺织品有限公司 | Waste smoke purification device of textile processing workshop |
| CN219050893U (en) * | 2022-12-23 | 2023-05-23 | 盐城市卓然自动化装备有限公司 | High-efficient built-in rotatory spray column that flow equalizes |
| CN116272308A (en) * | 2023-01-09 | 2023-06-23 | 南通星球石墨股份有限公司 | Acid organic waste gas treatment tower |
| CN219539923U (en) * | 2023-04-07 | 2023-08-18 | 泰山集团泰安华电热工有限公司 | Spray set for wet flue gas desulfurization |
| CN219572695U (en) * | 2023-03-13 | 2023-08-22 | 攀枝花市广川冶金有限公司 | Pellet ore cooling device |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150004047U (en) * | 2014-04-28 | 2015-11-05 | 이승상 | flue construction of preventing gas noise of boiler |
| WO2016050030A1 (en) * | 2014-09-29 | 2016-04-07 | 北京国电清新环保技术股份有限公司 | Rotational flow and sink flow-coupling integrated system for ultra-clean desulphuration and dedusting and desulphuration and dedusting method therefor |
| CN108722160A (en) * | 2018-08-09 | 2018-11-02 | 孙菊萍 | A kind of energy-saving and emission-reduction exhaust gas desulfurization column |
| CN214287530U (en) * | 2020-12-31 | 2021-09-28 | 杭州巴斯伏纺织品有限公司 | Waste smoke purification device of textile processing workshop |
| CN219050893U (en) * | 2022-12-23 | 2023-05-23 | 盐城市卓然自动化装备有限公司 | High-efficient built-in rotatory spray column that flow equalizes |
| CN116272308A (en) * | 2023-01-09 | 2023-06-23 | 南通星球石墨股份有限公司 | Acid organic waste gas treatment tower |
| CN219572695U (en) * | 2023-03-13 | 2023-08-22 | 攀枝花市广川冶金有限公司 | Pellet ore cooling device |
| CN219539923U (en) * | 2023-04-07 | 2023-08-18 | 泰山集团泰安华电热工有限公司 | Spray set for wet flue gas desulfurization |
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