CN203869530U - Industrial electric arc furnace waste heat utilization and flue gas recovery device - Google Patents
Industrial electric arc furnace waste heat utilization and flue gas recovery device Download PDFInfo
- Publication number
- CN203869530U CN203869530U CN201420261767.5U CN201420261767U CN203869530U CN 203869530 U CN203869530 U CN 203869530U CN 201420261767 U CN201420261767 U CN 201420261767U CN 203869530 U CN203869530 U CN 203869530U
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- CN
- China
- Prior art keywords
- flue gas
- waste heat
- electric arc
- deduster
- recovery device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model is to provide an industrial arc furnace waste heat utilization and flue gas recovery device. A flue dust collecting cover is mounted over an electric arc furnace; the flue dust collecting cover is connected with a gas exhausting pipeline containing a dust removing mechanism; the dust removing mechanism is connected with an exhaust funnel; flue gas is discharged into a waste heat furnace connected to the exhaust funnel via the exhaust funnel, so waste heat can be recovered; the electric arc furnace is further connected with a combustion setting chamber; the combustion setting chamber is in a connection with a heat pipe steamer; and the heat pipe steamer is connected with a high pressure steam bag supplying high pressure steam for other equipment. With the flue gas collecting cover over the electric arc furnace, flue gas can be purified and waste heat can be recovered; a waste heat recovering device is further mounted on the setting chamber connected to the electric arc chamber; waste heat recovery and purification can be conducted to flue dust and flue gas at the same time with the above two methods, so heat utilization can be improved to the largest extent; and the industrial electric arc furnace waste heat utilization and flue gas recovery device is suitable for production.
Description
Technical field
The utility model relates to industrial arc field, relates in particular to a kind of industrial arc UTILIZATION OF VESIDUAL HEAT IN and flue gas recovery device.
Background technology
Energy-saving and emission-reduction and exhaust-gas treatment are the themes of current social development, and the utilization of residual heat resources and the clean room of waste gas save the energy and reduce the effective way of polluting.For electric-arc furnace steelmaking, in its production process, need to consume a large amount of energy on the one hand, also can produce on the other hand a large amount of heat year flue gas discharges, and polluted environment, caused again the significant wastage of resource, therefore how can Mist heat recovering be the most important thing of present stage, address the above problem and just seem very necessary.
Utility model content
The utility model provides a kind of industrial arc UTILIZATION OF VESIDUAL HEAT IN and flue gas recovery device, by reclaiming the waste heat of expansion chamber and processing the waste gas polluting and the waste heat of waste gas is reclaimed, has solved the problem occurring in background technology.
The purpose of this utility model is to provide a kind of industrial arc UTILIZATION OF VESIDUAL HEAT IN and flue gas recovery device, flue dust collection cover is set above electric arc furnaces, flue dust collection cover is connecting the smoke-exhaust pipeline that is provided with dedusting mechanism, dedusting mechanism is connecting aiutage, and aiutage is arranged flue gas in the waste-heat oven being connected on aiutage and carried out recovery waste heat; On electric arc furnaces, also connecting combustion settling chamber, combustion settling chamber is connected with heat pipe evaporator, and heat pipe evaporator is connected with Steam drum provides high steam for other equipment.
Further improve and be: dedusting mechanism comprises the first deduster and the second deduster and is connected to the first deduster and the dedusting fan on the second deduster right side.
Further improve and be: the first deduster is connected on smoke-exhaust pipeline, the second deduster is connected on the smoke-exhaust pipeline on the first deduster right side, the Nodes being connected with the first deduster on smoke-exhaust pipeline is provided with three-way valve, and the left side that is positioned at three-way valve on smoke-exhaust pipeline is provided with flue gas sensor.
Further improve and be: Steam drum inner top is provided with steel screen type water separator, in Steam drum, normal water level place is provided with blowdown apparatus.
The beneficial effects of the utility model: this device purifies and waste heat recovery by flue dust collection cover collection flue gas is set above electric arc furnaces, the device of waste heat recovery is also set on the expansion chamber being connected on electric arc furnaces, adopt in two ways and flue dust and flue gas are carried out to waste heat recovery and purified treatment simultaneously, the maximized also heat utilization efficiency that improved, in being applicable to produce.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Wherein: 1-electric arc furnaces, 2-flue dust collection cover, 3-smoke-exhaust pipeline, 4-dedusting mechanism, 5-aiutage, 6-waste-heat oven, 7-combustion settling chamber, 8-heat pipe evaporator, 9-Steam drum, 10-the first deduster, 11-the second deduster, 12-dedusting fan, 13-three-way valve, 14-flue gas sensor, 15-steel screen type water separator, 16-blowdown apparatus.
The specific embodiment
In order to deepen understanding of the present utility model, below in conjunction with embodiment, the utility model is described in further detail, and this embodiment only, for explaining the utility model, does not form the restriction to the utility model protection domain.
As shown in Figure 1, the present embodiment provides a kind of industrial arc UTILIZATION OF VESIDUAL HEAT IN and flue gas recovery device, above electric arc furnaces 1, be provided with flue dust collection cover 2 collection high-temperature flue gas and enter smoke-exhaust pipeline 3, on smoke-exhaust pipeline 3, be provided with dedusting mechanism 4 and carry out dedusting, dedusting mechanism 4 comprises the first deduster 10 and the second deduster 11 and is connected to the first deduster 10 and the dedusting fan 12 on the second deduster 11 right sides; Dedusting mechanism 4 is connected with aiutage 5, and the flue gas that removed dirt enters and enters the waste-heat oven 6 being connected on aiutage 5 after aiutage 5 and carry out recovery waste heat; Also on electric arc furnaces 1, connect combustion settling chamber 7 and reclaim high-temperature smoke, combustion settling chamber 7 is connected with heat pipe evaporator 8, and heat pipe evaporator 8 is connected with Steam drum 9; The first deduster 10 is connected on smoke-exhaust pipeline 3, the second deduster 11 is connected on the smoke-exhaust pipeline 3 on the first deduster 10 right sides, on smoke-exhaust pipeline, 3 Nodes that are connected with the first deduster 10 are provided with three-way valve 13, the left side that is positioned at three-way valve 13 on smoke-exhaust pipeline in 3 is provided with flue gas sensor 14, can judge by flue gas sensor 14 so whether through the first deduster 10, removed the flue gas of dirt available, if available, just directly pass into aiutage 5, if unavailable, by the second deduster 11, carry out final dusting; Steam drum 9 inner tops are provided with steel screen type water separator 15, and the interior normal water level of Steam drum 9 place is provided with blowdown apparatus 16, and the use of these two devices can guarantee the quality of steam.This device purifies and waste heat recovery by flue dust collection cover 2 collection flue gases are set above electric arc furnaces 1, the device of waste heat recovery is also set on the combustion settling chamber 7 being connected on electric arc furnaces 1, adopt in two ways and flue dust and flue gas are carried out to waste heat recovery and purified treatment simultaneously, the maximized also heat utilization efficiency that improved, in being applicable to produce.
Claims (4)
1. an industrial arc UTILIZATION OF VESIDUAL HEAT IN and flue gas recovery device, comprise electric arc furnaces (1), it is characterized in that: described electric arc furnaces (1) top is provided with flue dust collection cover (2), the right side of flue dust collection cover (2) is connected with smoke-exhaust pipeline (3), on smoke-exhaust pipeline (3), be provided with dedusting mechanism (4), dedusting mechanism (4) is connected with aiutage (5), and aiutage (5) is connecting waste-heat oven (6); Electric arc furnaces (1) is also connected with combustion settling chamber (7), and combustion settling chamber (7) is connected with heat pipe evaporator (8), and heat pipe evaporator (8) is connected with Steam drum (9).
2. industrial arc UTILIZATION OF VESIDUAL HEAT IN and flue gas recovery device as claimed in claim 1, is characterized in that: described dedusting mechanism (4) comprises the first deduster (10) and the second deduster (11) and is connected to the first deduster (10) and the dedusting fan (12) on the second deduster (11) right side.
3. industrial arc UTILIZATION OF VESIDUAL HEAT IN and flue gas recovery device as claimed in claim 1 or 2, it is characterized in that: described the first deduster (10) is connected to (3) on smoke-exhaust pipeline, the second deduster (11) is connected on the smoke-exhaust pipeline (3) on the first deduster (10) right side, the Nodes that on smoke-exhaust pipeline, (3) are connected with the first deduster (10) is provided with three-way valve (13), and the left side that is positioned at three-way valve (13) on smoke-exhaust pipeline in (3) is provided with flue gas sensor (14).
4. industrial arc UTILIZATION OF VESIDUAL HEAT IN and flue gas recovery device as claimed in claim 1, it is characterized in that: described Steam drum (9) inner top is provided with steel screen type water separator (15), in Steam drum (9), normal water level place is provided with blowdown apparatus (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261767.5U CN203869530U (en) | 2014-05-22 | 2014-05-22 | Industrial electric arc furnace waste heat utilization and flue gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261767.5U CN203869530U (en) | 2014-05-22 | 2014-05-22 | Industrial electric arc furnace waste heat utilization and flue gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203869530U true CN203869530U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420261767.5U Expired - Fee Related CN203869530U (en) | 2014-05-22 | 2014-05-22 | Industrial electric arc furnace waste heat utilization and flue gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203869530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006666A (en) * | 2014-05-22 | 2014-08-27 | 江苏华德工业炉有限公司 | Industrial electric arc furnace waste heat utilizing and exhaust gas recycling device |
| CN108398891A (en) * | 2018-02-26 | 2018-08-14 | 青海中力硅业有限公司 | A kind of casting flue gas automation recovery system and recovery method |
-
2014
- 2014-05-22 CN CN201420261767.5U patent/CN203869530U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006666A (en) * | 2014-05-22 | 2014-08-27 | 江苏华德工业炉有限公司 | Industrial electric arc furnace waste heat utilizing and exhaust gas recycling device |
| CN108398891A (en) * | 2018-02-26 | 2018-08-14 | 青海中力硅业有限公司 | A kind of casting flue gas automation recovery system and recovery method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150522 |
|
| EXPY | Termination of patent right or utility model |