CN101294236A - Environment friendly energy-saving high-temperature iron scurf furnace - Google Patents
Environment friendly energy-saving high-temperature iron scurf furnace Download PDFInfo
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- CN101294236A CN101294236A CNA2007101036481A CN200710103648A CN101294236A CN 101294236 A CN101294236 A CN 101294236A CN A2007101036481 A CNA2007101036481 A CN A2007101036481A CN 200710103648 A CN200710103648 A CN 200710103648A CN 101294236 A CN101294236 A CN 101294236A
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- heat exchanger
- furnace
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- furnace gas
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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 invention relates to an environment-protecting and energy-saving high-temperature scrap iron furnace, and belongs to equipment in the smelting field. The high-temperature scrap iron furnace comprises a furnace body (1), a secondary heat exchanger (2), a primary heat exchanger (3), a fan (4), a dust catcher (5), a draught fan (6), a decontaminating apparatus (7), a water pool (8), and a nozzle (9). The environment-protecting and energy-saving high-temperature scrap iron furnace utilizes the secondary heat exchanger (2) to absorb high-temperature furnace gas expelled from the scrap iron furnace (11) so as to perform the heat change with air in the fan; then the high-temperature furnace gas enters in the primary heat exchanger (3) for secondary heat change after temperature reduction; the high-temperature furnace gas enters in the dust catcher (5) again for desulfuration and dedusting after temperature reduction, and then is discharged into atmosphere after being blown into the decontaminating apparatus (7) for cleaning and desulfuration by the draught fan (6). The environment-protecting and energy-saving high-temperature scrap iron furnace utilizes the air in the fan to perform heat change for two times through recovering heat in the secondary heat exchanger and the primary heat exchanger, the high-temperature furnace gas is delivered into the furnace, and then the furnace gas is processed through desulfuration and dedusting after two-stage temperature reduction; therefore, the dust catcher is protected, the temperature of hot metal is increased, the energy consumption is reduced obviously, and the national environmental standards are reached.
Description
The present invention is the field that belongs to melting equipment, and the small-sized iron scurf furnace or the recovery scrap iron stove of China belong to the one-level heat exchange more at present, do not have the qualified dust-removal and desulfurizing equipment of adapted.
Environment friendly energy-saving high-temperature iron scurf furnace is as shown in Figure 1: it is made up of body of heater (1), secondary heat exchanger (2), a heat exchanger (3), gas blower (4), fly-ash separator (5), induced draft fan (6), cleaner (7), pond (8), nozzle (9).
After body of heater (1) igniting is reinforced, drive fly-ash separator induced draft fan (6) earlier, open gas blower (4) air-supply again, coke promptly takes fire in the stove, char combustion is discharged a large amount of furnace gases and is entered secondary heat exchanger (2), the O2 that CO in the furnace gas and fire door enter produces combustion reactions, emit heat, in secondary heat exchanger with gas blower (4) pipeline in air carry out heat exchange, furnace gas and heat enter the gas blower outside a heat exchanger (3) and the interior little airduct under the suction function of induced draft fan (6) air carries out heat exchange, heat is by the absorption of air of gas blower, furnace gas enters fly-ash separator (5) under the suction function of induced draft fan (6), in fly-ash separator (5), carry out wet dedusting and desulfurization, furnace gas is blasted cleaner (7) under the effect of induced draft fan (6), furnace gas is cleaned desulfurization and enters atmosphere in cleaner.The wind of gas blower blasts a heat exchanger (3) simultaneously, outside inner tubule, carry out heat exchange with furnace gas, entered in the airduct of secondary heat exchanger (2) by the bellows on the heat exchanger (3), the high-temperature gas outer with pipe carries out the secondary heat exchange, enters in the stove by nozzle (9).Theory and practice proof high temperature air-supply overheavy firing, the molten iron temperature height of coming out of the stove.Flue dust in the flow process, because flow velocity is low, carries out sedimentation in secondary heat exchanger (2) simultaneously, falls into the bottom dust-exhausting port and discharges; Flue dust enters a heat exchanger (3) and falls under gravity into a heat exchanger (3) bottom, is discharged by the bottom dust-exhausting port.
Desulfurizing dust-collector of the present invention adopts the patent Whirling particle synthesis desulfurating dust collector, facts have proved reliable and stable.
The present invention adopts the large-area heat exchanger cooling of two-stage, makes fly-ash separator not fragile, and the flue dust flow is reduced, and dust removing effects improves.
Description of drawings:
1, body of heater; 2, secondary heat exchanger; 3, heat exchanger; 4, gas blower; 5, fly-ash separator; 6, induced draft fan; 7, cleaner; 8, pond; 9, nozzle.
Claims (1)
- Environment friendly energy-saving high-temperature iron scurf furnace is made up of body of heater, secondary heat exchanger, heat exchanger, gas blower, fly-ash separator, induced draft fan, cleaner, pond, a nozzle.As shown in Figure 1: after body of heater (1) igniting is reinforced, drive fly-ash separator induced draft fan (6) earlier, open gas blower (4) air-supply again, coke promptly takes fire in the stove, char combustion is discharged a large amount of furnace gases and is entered secondary heat exchanger (2), the O2 that CO in the furnace gas and fire door enter produces combustion reactions, emit heat, in secondary heat exchanger with gas blower (4) pipeline in air carry out heat exchange, furnace gas and heat enter the gas blower outside a heat exchanger (3) and the interior little airduct under the suction function of induced draft fan (6) air carries out heat exchange, heat is by the absorption of air of gas blower, furnace gas enters fly-ash separator (5) under the suction function of induced draft fan (6), carry out wet dedusting and desulfurization in fly-ash separator (5); Furnace gas is blasted cleaner (7) under the effect of induced draft fan (6), furnace gas is cleaned desulfurization and enters atmosphere in cleaner.The wind of gas blower blasts a heat exchanger (3) simultaneously, outside inner tubule, carry out heat exchange with furnace gas, entered in the airduct of secondary heat exchanger (2) by the bellows on the heat exchanger (3), the high-temperature gas outer with pipe carries out the secondary heat exchange, enters in the stove by nozzle (9).Gas flow velocity in secondary heat exchanger is low, makes the flue dust sedimentation; Flue dust carries out gravitational dust collection at a heat exchanger (3) under action of gravity.Fly-ash separator of the present invention has adopted Whirling particle synthesis desulfurating dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101036481A CN101294236A (en) | 2007-04-26 | 2007-04-26 | Environment friendly energy-saving high-temperature iron scurf furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101036481A CN101294236A (en) | 2007-04-26 | 2007-04-26 | Environment friendly energy-saving high-temperature iron scurf furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101294236A true CN101294236A (en) | 2008-10-29 |
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ID=40064767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101036481A Pending CN101294236A (en) | 2007-04-26 | 2007-04-26 | Environment friendly energy-saving high-temperature iron scurf furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101294236A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049163A (en) * | 2010-11-05 | 2011-05-11 | 合肥天翔环境工程有限公司 | System for recovering metals, removing dust and desulfurizing |
| CN103836609A (en) * | 2013-12-04 | 2014-06-04 | 成信绿集成股份有限公司 | Power station boiler flue gas and dust emission reduction system |
-
2007
- 2007-04-26 CN CNA2007101036481A patent/CN101294236A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049163A (en) * | 2010-11-05 | 2011-05-11 | 合肥天翔环境工程有限公司 | System for recovering metals, removing dust and desulfurizing |
| CN103836609A (en) * | 2013-12-04 | 2014-06-04 | 成信绿集成股份有限公司 | Power station boiler flue gas and dust emission reduction system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081029 |