CN2813073Y - Compact, low-consumption flue gas desulfurizing apparatus - Google Patents
Compact, low-consumption flue gas desulfurizing apparatus Download PDFInfo
- Publication number
- CN2813073Y CN2813073Y CN 200520074530 CN200520074530U CN2813073Y CN 2813073 Y CN2813073 Y CN 2813073Y CN 200520074530 CN200520074530 CN 200520074530 CN 200520074530 U CN200520074530 U CN 200520074530U CN 2813073 Y CN2813073 Y CN 2813073Y
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- CN
- China
- Prior art keywords
- flue
- section
- flue gas
- smoke
- heater
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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
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Abstract
The utility model relates to a compact and low-consumption FGD apparatus, particularly a flue gas desulfurizing apparatus for flue gas desulfurizing systems of power plants or relevant fields. Compared with the conventional flue gas desulfurizing apparatus, the utility model has the characteristics of smooth system structure, convenient maintenance and low investment and running expense. The flue gas desulfurizing apparatus is provided with a by-pass baffle plate door (8) in a flue (1), and the horizontal flue is divided into an air inlet section and an air outlet section by the by-pass baffle plate door (8); an air inlet of a desulfurizing blower (3) is provided with a dirty flue gas baffle plate door (2) and is communicated with the air inlet section of the flue, and an air outlet of the desulfurizing blower is communicated with a flue gas reheater cooling section (4< 1 >) in a flue gas reheater (4); an air outlet of the flue gas reheater cooling section (4< 1 >) is communicated with an absorption tower (5), the air outlet of which is communicated with a flue gas reheater heating-up section (4< 2 >) in the flue gas reheater, an outlet of the flue gas reheater heating-up section (4< 2 >) is provided with a clean flue gas baffle plate door (7) and is communicated with the air outlet section of the flue, and the air outlet section of the flue is communicated with a chimney (6).
Description
Technical field
The utility model relates to a kind of flue gas desulfur device that is used for power plant's limestone-gypsum wet flue gas desulfurizer (WFGD) or association area, relatively has system architecture smoothness, easy to maintenance, investment and the low characteristics of operating cost with the flue gas desulfur device of routine.
Background technology
Whole flue gas desulfur device is positioned at after flue end, the electric cleaner in known this field at present.Generally, the requirement according to self of each operating unit equipment of forming this process system is arranged in the zone of concentrating relatively.According to the process system requirements of process, by the supercharging of flue introducing desulfurization blower fan, the cooling of smoke re-heater (GGH) cooling side is introduced by flue in the back to the dirty flue gas after the dedusting earlier, enters the absorption tower by the flue introducing again and carries out the desulfurization washing.Flue gas after the desulfurization is discharged from the absorption tower, and the clean flue gas of discharge is introduced GGH heated side heating back by flue and introduced smoke stack emission by flue.There is following shortcoming in this design: be connected with the diffusion profile facility because the space length between the blower fan, desulfurization, all unit interfaces of heat exchange is collected by flue and the flue gas that matches with it, though utilize the linkage function of flue to satisfy the requirement of technological process and apparatus arrangement simultaneously, but because flue and the flue gas that matches are with it collected and the diffusion profile facility is bulky, the expenditure of construction height, particularly clean flue need be implemented expensive preservative treatment, thereby has increased investment and floor space; Simultaneously also increase consequent flow of flue gas resistance, made operating cost improve.
Summary of the invention
Technical problem: in order to overcome the problem that existing design exists, the utility model provides a kind of compact, low consumption flue gas desulfur device, this design can reduce the floor space of whole system, it is compact to make whole system connect, SR reduces, and reduces the investment and the operating cost of whole device thus.
Technical scheme: compact of the present utility model, low consumption flue gas desulfur device are made up of flue, dirty gas baffle door, desulfurization blower fan, smoke re-heater, absorption tower, chimney, clean gas baffle door, by-pass damper door; In flue, be provided with by-pass damper goalkeeper horizontal flue and be divided into air inlet section and the section of giving vent to anger two parts, the air inlet of desulfurization blower fan is provided with dirty gas baffle door and is connected with the air inlet section of flue, the gas outlet of desulfurization blower fan is connected with smoke re-heater temperature descending section in the smoke re-heater, the gas outlet of smoke re-heater temperature descending section is connected with the absorption tower, smoke re-heater in the gas outlet on absorption tower and the smoke re-heater section that heats up is connected, the outlet of smoke re-heater intensification section is provided with clean gas baffle door and is connected with the section of giving vent to anger of flue, and the section of giving vent to anger of flue is connected with chimney.The import of desulfurization blower fan is near the air inlet section of horizontal flue, vertical or the close smoke re-heater temperature descending section of the outlet that is in tilted layout of blower fan, the outlet of smoke re-heater intensification section is near the section of giving vent to anger of horizontal flue, smoke re-heater is vertical with flue with the absorption tower line of centres, only links to each other with a spot of linkage section between each unit.
The utility model has more reasonably been arranged device location according to the characteristics of each key equipment.Each unit is imported and exported and is pressed the flue gas flow order into and out of linking, (look actual conditions and also can adopt V-arrangement) layout takes the shape of the letter U, the first unit import of WFGD device technique flow process is the device import, and the end unit outlet of technological process is the device outlet.Each unit also utilizes itself huge size to bear the function that the part flow process connects, thereby significantly reduced connection flue length except will realizing itself function, and is compact so that system connects.Specific as follows: undressed dirty flue gas at first enters the import of desulfurization blower fan from FGD device import baffle door, utilizes desulfurization blower fan body to connect smoke re-heater import bellows as the outlet of flue blower fan through transition circumference joint and enters the heat release of GGH temperature descending section.Flue gas after the cooling enters the absorption tower and carries out the desulfurization washing.Flue gas after the desulfurization is discharged from the absorption tower, and the clean flue gas of discharge enters smoke re-heater intensification Duan Zaire by smoke stack emission.
Beneficial effect:, saved investment and floor space because the layout compactness of system has reduced flue gas collection and diffusion profile facility that flue huge between present known each technology connects and matches with it; Simultaneously also reduce consequent flow of flue gas resistance, saved operating cost; Moreover each big unit equipment room is U (V) shape to be arranged, the spacious favourable repair and maintenance of outer space.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is a general structure schematic diagram of the present utility model.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Have among the figure: flue 1, dirty gas baffle door 2, desulfurization blower fan 3, smoke re-heater temperature descending section 4
1, absorption tower 5, the smoke re-heater section 4 that heats up
2, chimney 6, clean gas baffle door 7, by-pass damper door 8.
The specific embodiment
Compact of the present utility model, low consumption flue gas desulfur device are made up of flue 1, dirty gas baffle door 2, desulfurization blower fan 3, smoke re-heater 4, absorption tower 5, chimney 6, clean gas baffle door 7, by-pass damper door 8; In flue 1, be provided with by-pass damper door 8 horizontal flue 1 is divided into air inlet section and the section of giving vent to anger two parts, the air inlet of desulfurization blower fan 3 is provided with dirty gas baffle door 2 and is connected the smoke re-heater temperature descending section 4 in the gas outlet of desulfurization blower fan 3 and the smoke re-heater 4 with the air inlet section of flue 1
1Be connected the ripe again device temperature descending section 4 of flue gas
1The gas outlet be connected smoke re-heater in the gas outlet on absorption tower 5 and the smoke re-heater 4 section 4 that heats up with absorption tower 5
2Be connected smoke re-heater intensification section 4
2Outlet be provided with clean gas baffle door 7 and be connected with the section of giving vent to anger of flue 1, the section of giving vent to anger of flue 1 is connected with chimney 6.The air inlet section of the close horizontal flue 1 of the import of desulfurization blower fan 3, the vertical or close smoke re-heater temperature descending section 4 of the outlet that is in tilted layout of blower fan
1, smoke re-heater intensification section 4
2Outlet is near the section of giving vent to anger of horizontal flue 1, and smoke re-heater 4 is vertical with flue 1 with absorption tower 5 both lines of centres, only links to each other with a spot of linkage section between each unit.
When dirty gas baffle door 2 and clean gas baffle door 7 are closed, when by-pass damper door 8 is opened, the unprocessed direct discharging of boiler smoke; Close and dirty gas baffle door 2 and clean gas baffle door 7 when opening when by-pass damper door 8, boiler smoke enters compact, low consumption FGD device.
The inlet of desulfurization blower fan 3 is the inlet of compact, low consumption FGD device, smoke re-heater (GGH) intensification section 4
2Outlet be the outlet of whole device.Undressed dirty flue gas at first enters 3 imports of desulfurization blower fan from dirty gas baffle door 2, utilize desulfurization blower fan 3 bodies to export as the flue blower fan, by connecting smoke re-heater (GGH) import bellows after the transition of circumference joint, enter smoke re-heater (GGH) temperature descending section 4 again
1Heat release.Flue gas after the cooling enters absorption tower 5 and carries out the desulfurization washing.Flue gas after the desulfurization is 5 discharges from the absorption tower, and the clean flue gas of discharge enters smoke re-heater (GGH) intensification section 4
2Heat is by chimney 6 dischargings again.The resistance of whole flue gas system is overcome by desulfurization blower fan 3.
In this device, desulfurization blower fan 3, smoke re-heater (GGH) temperature descending section 4
1, absorption tower 5, smoke re-heater (GGH) section 4 that heats up
2Press the flue gas flow order into and out of linking, by position optimization, take the shape of the letter U (look actual conditions and also can adopt V-type) arranged, shortened flue gas collection and diffusion profile facility that the flue tube between each functional module connects and matches with it.Desulfurization blower fan 3, smoke re-heater (GGH) temperature descending section 4
1, absorption tower 5, smoke re-heater (GGH) section 4 that heats up
2Except will realizing itself function, also utilize itself huge size to bear the function that the part flow process connects, thereby significantly reduced connection flue length, compact so that system connects.Each unit be the outlet of previous element also be the inlet of next unit, thereby realized that the connection between each unit shares.
Claims (2)
1, a kind of compact, low consumption flue gas desulfur device is characterized in that this device is made up of flue (1), dirty gas baffle door (2), desulfurization blower fan (3), smoke re-heater (4), absorption tower (5), chimney (6), clean gas baffle door (7), by-pass damper door (8); In flue (1), be provided with by-pass damper door (8) horizontal flue (1) is divided into air inlet section and the section of giving vent to anger two parts, the air inlet of desulfurization blower fan (3) is provided with dirty gas baffle door (2) and is connected the smoke re-heater temperature descending section (4 in the gas outlet of desulfurization blower fan (3) and the smoke re-heater (4) with the air inlet section of flue (1)
1) be connected smoke re-heater temperature descending section (4
1) the gas outlet be connected smoke re-heater in the gas outlet of absorption tower (5) and the smoke re-heater (4) section (4 that heats up with absorption tower (5)
2) be connected smoke re-heater intensification section (4
2) outlet be provided with clean gas baffle door (7) and be connected with the section of giving vent to anger of flue (1), the section of giving vent to anger of flue (1) is connected with chimney (6).
2, compact according to claim 1, low consumption flue gas desulfur device is characterized in that the air inlet section of the import of desulfurization blower fan (3) near horizontal flue (1), the vertical or close smoke re-heater temperature descending section (4 of the outlet that is in tilted layout of blower fan
1), smoke re-heater intensification section (4
2) exporting the section of giving vent to anger near horizontal flue (1), smoke re-heater (4) is vertical with flue (1) with both lines of centres of absorption tower (5), only links to each other with a spot of linkage section between each unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520074530 CN2813073Y (en) | 2005-08-16 | 2005-08-16 | Compact, low-consumption flue gas desulfurizing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520074530 CN2813073Y (en) | 2005-08-16 | 2005-08-16 | Compact, low-consumption flue gas desulfurizing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2813073Y true CN2813073Y (en) | 2006-09-06 |
Family
ID=36948157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520074530 Expired - Lifetime CN2813073Y (en) | 2005-08-16 | 2005-08-16 | Compact, low-consumption flue gas desulfurizing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2813073Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321720C (en) * | 2005-08-16 | 2007-06-20 | 孙克勤 | Impact and low-consumption smoke gas desulfurizer |
| CN102824825A (en) * | 2012-09-12 | 2012-12-19 | 无锡光初科技服务有限公司 | Multi-effect U-shaped tube type dedusting and desulfurization integrated device of coal-fired boiler and dedusting and desulfurization method thereof |
| CN104832936A (en) * | 2015-05-08 | 2015-08-12 | 中国能源建设集团广东省电力设计研究院有限公司 | Equipment arrangement structure provided with single-row induced draft fan behind dust catcher and flue gas system |
-
2005
- 2005-08-16 CN CN 200520074530 patent/CN2813073Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321720C (en) * | 2005-08-16 | 2007-06-20 | 孙克勤 | Impact and low-consumption smoke gas desulfurizer |
| CN102824825A (en) * | 2012-09-12 | 2012-12-19 | 无锡光初科技服务有限公司 | Multi-effect U-shaped tube type dedusting and desulfurization integrated device of coal-fired boiler and dedusting and desulfurization method thereof |
| CN102824825B (en) * | 2012-09-12 | 2014-10-29 | 无锡光初科技服务有限公司 | Multi-effect U-shaped tube type dedusting and desulfurization integrated device of coal-fired boiler and dedusting and desulfurization method thereof |
| CN104832936A (en) * | 2015-05-08 | 2015-08-12 | 中国能源建设集团广东省电力设计研究院有限公司 | Equipment arrangement structure provided with single-row induced draft fan behind dust catcher and flue gas system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050816 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |