CN203050816U - Sealed air steam heating system of desulfuration baffle door - Google Patents
Sealed air steam heating system of desulfuration baffle door Download PDFInfo
- Publication number
- CN203050816U CN203050816U CN 201320009097 CN201320009097U CN203050816U CN 203050816 U CN203050816 U CN 203050816U CN 201320009097 CN201320009097 CN 201320009097 CN 201320009097 U CN201320009097 U CN 201320009097U CN 203050816 U CN203050816 U CN 203050816U
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- steam
- baffle door
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- door
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Abstract
The utility model discloses a sealed air steam heating system of a desulfuration baffle door. Supersaturation high-temperature steam inside a turbine is utilized, a tubular heat exchanger is used for heating sealed air conveyed by an air feeder, and sealing processing is carried out on an original smoke baffle door, a purified smoke baffle door and a by-pass smoke baffle door. According to the sealed air steam heating system, temperature of the sealed air after being heated by the tubular heat exchanger can reach 110-120 DEG C required by sealing, a conventional electric heater can be replaced, energy consumption of a desulfuration system can be reduced effectively, tightness of baffle doors can be improved further, and the purpose of energy conservation and emission reduction can be achieved.
Description
Technical field
The utility model relates to a kind of desulfuration baffle door sealing air steam-heating system.
Background technique
Contain a large amount of SO in the flue gas that coal-fired boiler in power plant produces
2Gas causes the SO in some areas
2Effluent concentration considerably beyond the self cleaning capacity of local atmosphere, has caused serious coal-smoke pollution, has formed the acid rain that can destroy ecotope.In order to reduce pollution, the flue gas that coal-fired boiler in power plant produces could be by stack emission after must installing desulfurization by desulfurization (FGD).In sweetening process, gas baffle door is the visual plant of fume emission, directly affects normal operation and the safety of steam generator system and desulphurization system.Wherein, flue gas system comprises former flue gas, clean flue gas and bypass flue gas flue, and former gas baffle door, clean gas baffle door and bypass smoke damper door are housed respectively.Gas baffle door adopts double-deck louvre type usually, generally requires to have under the effect of Maximum differential pressure 100% leakproofness.Usually be furnished with outside the seal element at every layer of baffle door, also in the cavity of two-layer baffle door, feed sealing gas, with the sealing of further raising baffle door.If go into, outlet damper Men Bushe seals wind system, when FGD stopped transport, because the gapped existence of blade of baffle plate, hot flue gas can bleed in the FGD system, causes intrasystem corrosion.Simultaneously, go into, the outlet damper door establish the sealing wind system when FGD systems inspection, can protect personnel.,, when the parts inspection and maintenance is carried out in flue system and inside, absorption tower, cut off bypass with the sealing windshield plate and carry out personal protection with bypass flue run duration at boiler.
Present conventional flue gas desulfurization baffle door is equipped with a cover sealing system separately, pass through electric heater, the baffle door sealing air is heated to the needed 110-120 of sealing purpose ℃, have the energy consumption height, take up an area of big, energy utilization rate is not high, cigarette temperature in winter shortcoming such as not enough.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, and a kind of desulfuration baffle door sealing air steam-heating system is provided.The utility model is heated to 110-120 ℃ that needs by using steam turbine supersaturation high-temperature steam with sealing air, to replace conventional electric heater, can reduce the energy consumption of desulphurization system effectively, reaches the purpose of energy-saving and emission-reduction.
The purpose of this utility model is achieved through the following technical solutions: a kind of desulfuration baffle door sealing air steam-heating system, it is characterized in that it comprises: steam-turbine lead, steam header, steam baffle, steam heater, vapour condenser, cool air baffle plate, STEAM TRAP, hot-air damper, an interlock valve, No. two interlock valves, No. three interlock valves, flue gas supplying tube, the former gas baffle door of one-level, induced draught fan, the former gas baffle door of secondary, booster fan, desulfurizer, gas fan, chimney, clean gas baffle door and bypass gas baffle doors; Wherein, described steam-turbine lead links to each other with steam pipework and the vapour condenser of steam header, steam baffle, steam heater successively; STEAM TRAP links to each other with steam heater, and gas fan is successively with after air pipe line, the hot-air damper of cool air baffle plate, steam heater link to each other, and is divided into three the tunnel, the one tunnel and links to each other with clean gas baffle door through an interlock valve; One the tunnel through No. two the interlock valves link to each other with the road gas baffle door; Another Lu Jingsan number the interlock valve links to each other with the former gas baffle door of secondary with the former gas baffle door of one-level respectively; Flue gas supplying tube, the former gas baffle door of one-level, induced draught fan, the former gas baffle door of secondary, booster fan, desulfurizer, clean gas baffle door link to each other successively with chimney; The flue gas supplying tube also links to each other with chimney by the bypass flue, and the bypass gas baffle door is set in the bypass flue.
The beneficial effects of the utility model are, the utility model adopts supersaturation high-temperature steam in the steam turbine, sealing air is heated to 110-120 ℃ that needs by tubular heat exchanger, to replace conventional electric heater, can reduce the energy consumption of desulphurization system effectively, further improve the sealing of baffle door, reach the purpose of energy-saving and emission-reduction.Avoid when FGD stops transport, because the gapped existence of blade of baffle plate, hot flue gas bleeds in the FGD system, causes intrasystem corrosion.Simultaneously, go into, the outlet damper door establish the sealing wind system when FGD systems inspection, can protect personnel.,, when the parts inspection and maintenance is carried out in flue system and inside, absorption tower, cut off bypass with the sealing windshield plate and carry out personal protection with bypass flue run duration at boiler.
Description of drawings
Fig. 1 is the structural representation of the utility model desulfuration baffle door sealing air steam-heating system;
Among the figure: steam-turbine lead 1, steam header 2, steam baffle 3, steam heater 4, vapour condenser 5, cool air baffle plate 6, STEAM TRAP 7, hot-air damper 8, the valve 9 that links for No., the valve 10 that links for No. two, the valve 11 that links for No. three, flue gas supplying tube 12, the former gas baffle door 13 of one-level, induced draught fan 14, the former gas baffle door 15 of secondary, booster fan 16, desulfurizer 17, gas fan 18, chimney 19, clean gas baffle door 20, bypass gas baffle door 21.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described, it is more obvious that the purpose of this utility model and effect will become.
As shown in Figure 1, the utility model desulfuration baffle door sealing air steam-heating system comprises: steam-turbine lead 1, steam header 2, steam baffle 3, steam heater 4, vapour condenser 5, cool air baffle plate 6, STEAM TRAP 7, hot-air damper 8, the valve 9 that links for No., the valve 10 that links for No. two, the valve 11 that links for No. three, flue gas supplying tube 12, the former gas baffle door 13 of one-level, induced draught fan 14, the former gas baffle door 15 of secondary, booster fan 16, desulfurizer 17, gas fan 18, chimney 19, clean gas baffle door 20, bypass gas baffle door 21.
Steam-turbine lead 1 links to each other with steam pipework and the vapour condenser 5 of steam header 2, steam baffle 3, steam heater 4 successively; STEAM TRAP 7 links to each other with steam heater 4, and gas fan 18 is successively with after air pipe line, the hot-air damper 8 of cool air baffle plate 6, steam heater 4 link to each other, and is divided into three the tunnel, the one tunnel and links to each other with clean gas baffle door 20 through an interlock valve 9; One the tunnel through No. two the interlock valves 10 link to each other with road gas baffle door 21; Another Lu Jingsan number interlock valve 11 links to each other with the former gas baffle door 15 of secondary with the former gas baffle door 13 of one-level respectively; Flue gas supplying tube 12, the former gas baffle door 13 of one-level, induced draught fan 14, the former gas baffle door 15 of secondary, booster fan 16, desulfurizer 17, clean gas baffle door 20 link to each other successively with chimney 19; Flue gas supplying tube 12 also links to each other with chimney 19 by bypass flue 22, and bypass gas baffle door 21 is set in the bypass flue 22.
Working procedure of the present utility model is as follows: after the normal operation of boiler, steam turbine steam is introduced steam heater 4 by steam line 1, and the air of steam heater 4 is introduced in heating through gas fan 18.Steam heater 4 adopts tubular heat exchanger, and steam is walked in the pipe, and air is walked outside the pipe.In pipe, steam is condensed into, and discharges a large amount of latent heat of vaporization, and with air heating, water of condensation is discharged by the STEAM TRAP 7 of steam heater 4 bottoms; Through after the heat exchange, cool air is heated to 110-120 ℃ that needs, and just can enter gas baffle door and carry out sealing gland, consumes energy, reduces the purpose of taking up an area of, improving energy utilization rate thereby reach to reduce.
Claims (1)
1. desulfuration baffle door sealing air steam-heating system, it is characterized in that it comprises: steam-turbine lead (1), steam header (2), steam baffle (3), steam heater (4), vapour condenser (5), cool air baffle plate (6), STEAM TRAP (7), hot-air damper (8), an interlock valve (9), No. two interlock valves (10), No. three interlock valves (11), flue gas supplying tube (12), the former gas baffle door of one-level (13), induced draught fan (14), the former gas baffle door of secondary (15), booster fan (16), desulfurizer (17), gas fan (18), chimney (19), clean gas baffle door (20) and bypass gas baffle door (21); Wherein, the steam pipework of described steam-turbine lead (1), steam header (2), steam baffle (3), steam heater (4) links to each other successively with vapour condenser (5); STEAM TRAP (7) links to each other with steam heater (4), the air pipe line of gas fan (18), cool air baffle plate (6), steam heater (4) is with after hot-air damper (8) links to each other successively, being divided into three the tunnel, the one tunnel links to each other with clean gas baffle door (20) through an interlock valve (9); One the tunnel through No. two the interlock valves (10) link to each other with road gas baffle door (21); Another Lu Jingsan number interlock valve (11) links to each other with the former gas baffle door of secondary (15) with the former gas baffle door of one-level (13) respectively; Flue gas supplying tube (12), the former gas baffle door of one-level (13), induced draught fan (14), the former gas baffle door of secondary (15), booster fan (16), desulfurizer (17), clean gas baffle door (20) link to each other successively with chimney (19); Flue gas supplying tube (12) also links to each other with chimney (19) by bypass flue (22), and bypass gas baffle door (21) is housed in the bypass flue (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320009097 CN203050816U (en) | 2013-01-09 | 2013-01-09 | Sealed air steam heating system of desulfuration baffle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320009097 CN203050816U (en) | 2013-01-09 | 2013-01-09 | Sealed air steam heating system of desulfuration baffle door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203050816U true CN203050816U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320009097 Expired - Lifetime CN203050816U (en) | 2013-01-09 | 2013-01-09 | Sealed air steam heating system of desulfuration baffle door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203050816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075212A (en) * | 2013-01-09 | 2013-05-01 | 傅宁芳 | Enclosed air steam heating system of desulfuration baffle gate |
-
2013
- 2013-01-09 CN CN 201320009097 patent/CN203050816U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075212A (en) * | 2013-01-09 | 2013-05-01 | 傅宁芳 | Enclosed air steam heating system of desulfuration baffle gate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU SEEKING ENVIRONMENTAL PROTECTION TECHONLO Free format text: FORMER OWNER: FU NINGFANG Effective date: 20140304 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140304 Address after: 310012, room 1506, C, Zijin Plaza, 701 Pier Road, Hangzhou, Zhejiang, Xihu District Patentee after: HANGZHOU SEEKING ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Address before: Hangzhou City, Zhejiang province 310012 Xihu District osmanthus 10 apartment block B Room 101 Patentee before: Fu Ningfang |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |