CN202709137U - Novel three-air recovery device - Google Patents
Novel three-air recovery device Download PDFInfo
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- CN202709137U CN202709137U CN 201220376987 CN201220376987U CN202709137U CN 202709137 U CN202709137 U CN 202709137U CN 201220376987 CN201220376987 CN 201220376987 CN 201220376987 U CN201220376987 U CN 201220376987U CN 202709137 U CN202709137 U CN 202709137U
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- air
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- combustion furnace
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Abstract
The utility model discloses a novel three-air recovery device, wherein a purge gas cushion furnace and an exhaust pipeline of a cyclone dust removing furnace are respectively communicated with an air inlet of a combustion furnace; an exhaust opening of the combustion furnace is connected to a heat exchange device; the heat exchange device is connected with an exhaust unit; a plurality of baffle plates are arranged at the inner wall of the combustion furnace; the baffle plates are longitudinally arranged in a stagger manner; heat exchange device comprises a high-pressure waste heat boiler, a low-pressure waste heat boiler, and an air pre-heater, which are orderly connected; an exhaust pipeline of the low-pressure waste heat boiler is connected to a transverse air inlet of the air pre-heater; a plurality of heat exchange tubes are arranged between the transverse air inlet and the transverse air outlet; a longitudinal air inlet and a longitudinal air outlet are arranged on the air pre-heater in a longitudinal manner; the longitudinal air outlet is connected to the exhaust pipeline of the cyclone dust removing furnace, and the transverse air outlet is connected with the exhaust unit. The novel three-air recovery device can fully combust and exchange heat more thoroughly; the heat recovery efficiency and the vapor yield can be effectively improved, and the temperature of discharged gas and the content of combustible gas in the discharged gas are reduced finally.
Description
Technical field
The utility model chemical industry relates to a kind of gas recycling device.
Background technology
If the synthetic venting of speeding, Gas-making Furnace blowing-out gas and the air blast that produce in the Chemical Manufacture directly are discharged in the air both contaminated environment, waste energy again, because contain CO, N in this three gas
2, H
2, NH
4, CH
4, the recycling of therefore carrying out three gas is most important.Existing three gas recovering devices are by the three gas acquisition high-temperature gas that burns in combustion furnace, then high-temperature gas is incorporated into heat exchange generation steam in the boiler, the steam that produces can apply in other operations, and the flue gas after the heat exchange is discharged in the air after by dedusting.There is following defective in this three gas recycle devices, and the part fuel gas is fully burning not, and the high-temperature gas after the burning is through directly discharging behind the boiler heat exchange, and heat exchange is not thorough, and thermal loss is large, and the exhaust emissions temperature is high.
Summary of the invention
The purpose of this utility model provides a kind of novel three gas recovering devices, can fully burn and heat exchange more thorough, can Effective Raise heat recovery efficiency and steam production, reduce the content of fuel gas in the temperature of last emission gases and the emission gases.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of novel three gas recovering devices, the discharge duct that cushions stove and cyclone dust removal stove of speeding to exit is communicated with the air inlet of combustion furnace respectively, the exhaust outlet of combustion furnace is connected to heat-exchanger rig, heat-exchanger rig is connected with exhaust apparatus, it is characterized in that: described combustion furnace inwall is provided with the polylith deflection plate, the interlaced longitudinal arrangement of deflection plate.
Described heat-exchanger rig comprises high pressure waste heat boiler, low pressure waste heat boiler and the air preheater that connects successively, the discharge duct of low pressure waste heat boiler is connected to the horizontal air inlet of air preheater, laterally be provided with many heat exchanging pipes between air inlet and the horizontal gas outlet, air preheater vertically is provided with vertical air inlet and vertical gas outlet, described vertical gas outlet is connected to the discharge duct of cyclone dust removal stove, and laterally the gas outlet is connected with exhaust apparatus.
Described exhaust apparatus comprises granite duster and the chimney that is communicated with the granite duster exhaust outlet.
Novel three gas recovering devices that the utility model provides change existing straight barrel type combustion furnace into combustion furnace that inwall is provided with the polylith deflection plate, thereby prolong fuel gas in the burning time of combustion furnace, and the combustible gas physical efficiency is fully burnt, and increase quantity of heat production; Existing heat-exchanger rig only is provided with heat exchange boiler, after high pressure waste heat boiler and low pressure waste heat boiler, added air preheater in the utility model, to be passed into through the gas behind the boiler heat exchange in the air preheater, by air blast be blown into cold air again with heat exchange after gas carry out heat exchange, can further reduce the temperature of emission gases, in addition, the cold air after the heat exchange be passed into combustion furnace as air blast promote burning, can reduce thermal loss, improve heat utilization efficiency.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model combustion furnace.
Fig. 3 is the structural representation of the utility model air preheater.
The specific embodiment
As Figure 1-3, the discharge duct that cushions stove 1 and cyclone dust removal stove 2 of speeding to exit of the present utility model is communicated with the air inlet of combustion furnace 3 respectively, the exhaust outlet of combustion furnace 3 is connected to heat-exchanger rig, heat-exchanger rig is connected with exhaust apparatus, described combustion furnace 3 inwalls are provided with polylith deflection plate 31, deflection plate 31 interlaced longitudinal arrangements.
Described heat-exchanger rig comprises high pressure waste heat boiler 4, low pressure waste heat boiler 5 and the air preheater 7 that connects successively, the discharge duct of low pressure waste heat boiler 5 is connected to the horizontal air inlet 71 of air preheater, laterally be provided with many heat exchanging pipes 73 between air inlet 71 and the horizontal gas outlet 72, air preheater 7 vertically is provided with vertical air inlet 74 and vertical gas outlet 75, described vertical gas outlet 75 is connected to the discharge duct of cyclone dust removal stove 2, and laterally gas outlet 72 is connected with exhaust apparatus.
Described exhaust apparatus comprises granite duster 6 and the chimney 8 that is communicated with granite duster 6 exhaust outlets.
When using the utility model, speed to exit and enter in the combustion furnace 3 through the venting buffering stove 1 of speeding, the Gas-making Furnace blowing-out gas passes into combustion furnace 3 after by the cyclone dust collectors dedusting, air blast is incorporated blowing-out gas into and is entered combustion furnace 3 in addition, speed to exit, blowing-out gas and air blast three gas are fully burning in combustion furnace, the high-temperature gas that produces passes into the high-temperature residual heat boiler and carries out heat exchange, and then carry out heat exchange by the low pressure waste heat boiler, produce the steam that can be used for other operations in the heat transfer process, gas after the heat exchange passes in the air preheater 7 to external world, and cold air carries out preheating, cold air after the preheating passes into combustion furnace 3 as air blast and promotes burning, discharges by chimney 8 after recuperated gas enters in granite duster 6 dedustings.
Claims (3)
1. novel three gas recovering devices, the discharge duct that cushions stove (1) and cyclone dust removal stove (2) of speeding to exit is communicated with the air inlet of combustion furnace (3) respectively, the exhaust outlet of combustion furnace (3) is connected to heat-exchanger rig, heat-exchanger rig is connected with exhaust apparatus, it is characterized in that: described combustion furnace (3) inwall is provided with polylith deflection plate (31), the interlaced longitudinal arrangement of deflection plate (31).
2. novel three gas recovering devices according to claim 1, it is characterized in that: described heat-exchanger rig comprises the high pressure waste heat boiler (4) that connects successively, low pressure waste heat boiler (5) and air preheater (7), the discharge duct of low pressure waste heat boiler (5) is connected to the horizontal air inlet (71) of air preheater, laterally be provided with many heat exchanging pipes (73) between air inlet (71) and the horizontal gas outlet (72), air preheater (7) vertically is provided with vertical air inlet (74) and vertical gas outlet (75), described vertical gas outlet (75) is connected to the discharge duct of cyclone dust removal stove (2), and laterally gas outlet (72) is connected with exhaust apparatus.
3. novel three gas recovering devices according to claim 1 and 2, it is characterized in that: described exhaust apparatus comprises granite duster (6) and the chimney (8) that is communicated with granite duster (6) exhaust outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376987 CN202709137U (en) | 2012-08-01 | 2012-08-01 | Novel three-air recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376987 CN202709137U (en) | 2012-08-01 | 2012-08-01 | Novel three-air recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202709137U true CN202709137U (en) | 2013-01-30 |
Family
ID=47589434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220376987 Expired - Fee Related CN202709137U (en) | 2012-08-01 | 2012-08-01 | Novel three-air recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202709137U (en) |
-
2012
- 2012-08-01 CN CN 201220376987 patent/CN202709137U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20130801 |