CN102661599A - Double-bridge exhaust-heat boiler with parallel heat pipe - Google Patents
Double-bridge exhaust-heat boiler with parallel heat pipe Download PDFInfo
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- CN102661599A CN102661599A CN2012101750580A CN201210175058A CN102661599A CN 102661599 A CN102661599 A CN 102661599A CN 2012101750580 A CN2012101750580 A CN 2012101750580A CN 201210175058 A CN201210175058 A CN 201210175058A CN 102661599 A CN102661599 A CN 102661599A
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- heat
- flue gas
- exhaust gases
- heat pipe
- boiler
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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
Abstract
The invention discloses a double-bridge exhaust-heat boiler with a parallel heat pipe. The exhaust-heat boiler is mainly applied to an exhaust device of high temperature flue gas. The double-bridge exhaust-heat boiler with the parallel heat pipe comprises a V-shaped flue gas passage, a boiler barrel and a heat pipe radiator. An evaporation section of the heat pipe radiator is mounted in the V-shaped flue gas passage and a condensation section of the heat pipe radiator is mounted in the boiler barrel. The heat pipe radiator which is perpendicular to flow direction of the V-shaped flue gas passage is mounted in the V-shaped flue gas passage. A coarse ash scrapper is disposed on the bottom of the V-shaped flue gas passage. The boiler barrel is mounted in a V-shaped groove of the V-shaped flue gas passage. By the double-bridge exhaust-heat boiler with the parallel heat pipe, waste heat of the high temperature flue gas is fully utilized, heat transfer is achieved between water in the boiler and the waste heat, heat energy of the high temperature flue gas is recovered effectively, cooling without water is realized, and accordingly, recovery gas calorific value is further enhanced. Moreover, the double-bridge exhaust-heat boiler with the parallel heat pipe is simple in structure and wide in application range.
Description
Technical field
The present invention relates to a kind of high-temperature flue gas waste-heat recovery device.
Background technology
In the pneumatic steelmaking dust collecting process, the flue-gas temperature of coming out from converter evaporation cooling air flue very high (about 800 ℃) is a high-grade heat energy.No matter be dry method or wet dedusting, what primarily carry out basically all is through the cooling of lowering the temperature of spraying water, and then the flue gas that cools down is carried out further dust removal process at present.Like this, make that not only the high-grade heat energy in the flue gas flows away in vain, also need consume a large amount of water, no matter this in view of economy still is the energy, all waste very much.And, containing steam in the coal gas through behind the water spray, the calorific value of coal gas also decreases.
Summary of the invention
To the problems referred to above, the present invention provides a kind of technology close fit, reclaims high-temperature flue gas heat energy, improves the doube bridge heat pipe waste heat boiler that reclaims calorific value of gas.
For reaching above-mentioned purpose, doube bridge parallel connection heat pipe waste heat boiler of the present invention is mainly used in the discharger of high-temperature flue gas, and said doube bridge parallel connection heat pipe waste heat boiler comprises V-shape exhaust gases passes, drum and heat-pipe radiator; The evaporator section of said heat-pipe radiator is installed in the said V-shape exhaust gases passes, and the condensation segment of said heat-pipe radiator is installed in the said drum.
Preferably, said heat-pipe radiator is installed in the said V-shape exhaust gases passes perpendicular to the flue gas circulating direction.
Preferably, be provided with the cinder scraping machine bottom the said V-shape exhaust gases passes.
Preferably, said drum is installed in the V-type groove of said V-shape exhaust gases passes.
Preferably, said V-shape exhaust gases passes, said drum and said heat-pipe radiator are combined to form heat exchange unit each other; Said doube bridge parallel connection heat pipe waste heat boiler comprises the said heat exchange unit that the two-stage head and the tail are connected successively.
Preferably, said drum is a cylinder, is installed in the V-type groove of two said V-shape exhaust gases passes; Wherein, two said V-shape exhaust gases passes are laid along the cylinder bearing of trend of said drum side by side, and are communicated with through pipeline each other, form an exhaust gases passes.
The beneficial effect of doube bridge parallel connection heat pipe waste heat boiler of the present invention:
1, doube bridge parallel connection heat pipe waste heat boiler of the present invention has effectively reduced flue-gas temperature, realizes the recycling of converter gas higher calorific value.
2, doube bridge parallel connection heat pipe waste heat boiler of the present invention has been realized no water for cooling, is applied to have the following advantages in the pneumatic steelmaking dust collecting process:
A. can realize the direct briquetting recycling of thin ash of cinder and follow-up dust removing station;
B. it is low to reclaim in the coal gas water vapour content, can improve the calorific value that reclaims coal gas;
C. reduce the investment of follow-up sewage disposal device, saved operating cost.
Description of drawings
Fig. 1 is the said doube bridge parallel connection heat pipe of an embodiment of the invention waste heat boiler side-looking structural representation one;
Fig. 2 is the said doube bridge parallel connection heat pipe of an embodiment of the invention waste heat boiler side-looking structural representation two;
Fig. 3 is the said doube bridge parallel connection heat pipe of an embodiment of the invention waste heat boiler side-looking structural representation three;
Fig. 4 is the said doube bridge parallel connection heat pipe of an embodiment of the invention waste heat boiler plan structure sketch map four.
The specific embodiment
Below in conjunction with Figure of description the present invention is done further description.
Embodiment one:
As shown in Figure 1, doube bridge parallel connection heat pipe waste heat boiler according to the invention is mainly used in the discharger of high-temperature flue gas, comprises V-shape exhaust gases passes 1, drum 3 and heat-pipe radiator 2; The evaporator section of said heat-pipe radiator 2 is installed in the said V-shape exhaust gases passes 1, and the condensation segment of said heat-pipe radiator 2 is installed in the said drum 3.
Said heat-pipe radiator 2 is installed in the said V-shape exhaust gases passes 1 perpendicular to the flue gas circulating direction.
Said V-shape exhaust gases passes 1 bottom is provided with cinder scraping machine 4.
Said drum 3 is installed in the V-type groove of said V-shape exhaust gases passes 1.
High-temperature flue gas gets into V-shape exhaust gases passes 1 from the high-temperature flue gas that converter evaporation cooling air flue comes out; Wash away the heat-pipe radiator 2 that vertically is arranged in the passage; Medium in the heat-pipe radiator evaporates after absorbing the heat in the flue gas; Arrive the heat pipe section condensation heat release in the drum 3, the water that heat is passed in the drum makes its heat absorption evaporation produce steam.When sweep of gases heat-pipe radiator 2 and process V-shape exhaust gases passes 1 bottom, there is the coarse grained dust deposit of part to get off, drains through the cinder scraping machine 4 of bottom.Behind the doube bridge heat pipe waste heat boiler, converter gas gets into next step technological process and handles.
Doube bridge parallel connection heat pipe waste heat boiler of the present invention has effectively reduced flue-gas temperature, realizes the recycling of converter gas higher calorific value.Doube bridge parallel connection heat pipe waste heat boiler of the present invention has been realized no water for cooling, is applied to have the following advantages in the pneumatic steelmaking dust collecting process: the direct briquetting of thin ash that can realize cinder and follow-up dust removing station is recycled; Water vapour content is low in the recovery coal gas, can improve the calorific value that reclaims coal gas; Reduce the investment of follow-up fume treatment auxiliary, saved operating cost.
Embodiment two:
As shown in Figure 2, doube bridge parallel connection heat pipe waste heat boiler of the present invention is mainly used in the discharger of high-temperature flue gas, and said doube bridge parallel connection heat pipe waste heat boiler comprises V-shape exhaust gases passes, drum 31,32 and heat-pipe radiator 2; The evaporator section of said heat-pipe radiator 2 is installed in the said V-shape exhaust gases passes, and the condensation segment of said heat-pipe radiator is installed in the said drum.
Said heat-pipe radiator 2 is installed in the said V-shape exhaust gases passes perpendicular to the flue gas circulating direction.
Said V-shape exhaust gases passes bottom is provided with cinder scraping machine 4.
Said drum 3 is installed in the V-type groove of said V-shape exhaust gases passes.
Said V-shape exhaust gases passes, said drum and said heat-pipe radiator are combined to form heat exchange unit each other; Said doube bridge parallel connection heat pipe waste heat boiler comprises the said heat exchange unit that the two-stage head and the tail are connected successively.
Present embodiment has increased the said heat exchange unit of one-level for strengthening heat exchange, so that better absorb the heat of high-temperature flue gas, has had both the advantage of embodiment one said doube bridge parallel connection heat pipe waste heat boiler simultaneously.
Embodiment three:
Shown in Fig. 3-4, doube bridge parallel connection heat pipe waste heat boiler of the present invention is mainly used in the discharger of high-temperature flue gas, and said doube bridge parallel connection heat pipe waste heat boiler comprises V-shape exhaust gases passes, drum 3 and heat-pipe radiator 2; The evaporator section of said heat-pipe radiator 2 is installed in the said V-shape exhaust gases passes, and the condensation segment of said heat-pipe radiator 2 is installed in the said drum 3.
Said heat-pipe radiator 2 is installed in the said V-shape exhaust gases passes perpendicular to the flue gas circulating direction.
Said V-shape exhaust gases passes bottom is provided with cinder scraping machine 4.
Said drum 3 is a cylinder, is installed in the V-type groove of two said V-shape exhaust gases passes; Wherein, two said V-shape exhaust gases passes are laid along the cylinder bearing of trend of said drum side by side, and are communicated with through pipeline each other, form an exhaust gases passes.
Present embodiment under the situation that does not increase drum, has increased a V-shape exhaust gases passes for increasing the heat exchange of said doube bridge parallel connection heat pipe waste heat boiler and flue gas; Compare with embodiment one described doube bridge parallel connection heat pipe waste heat boiler, have good effect of heat exchange, it is more thorough that the high-temperature flue gas waste heat absorbs; With the described doube bridge parallel connection heat pipe waste heat boilers of embodiment two relatively, it is little to have a volume, has reduced the quantity of drum, has reduced cost.
More than; Be merely preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (6)
1. doube bridge parallel connection heat pipe waste heat boiler is mainly used in the discharger of high-temperature flue gas, it is characterized in that said doube bridge parallel connection heat pipe waste heat boiler comprises V-shape exhaust gases passes, drum and heat-pipe radiator; The evaporator section of said heat-pipe radiator is installed in the said V-shape exhaust gases passes, and the condensation segment of said heat-pipe radiator is installed in the said drum.
2. doube bridge parallel connection heat pipe waste heat boiler according to claim 1 is characterized in that said heat-pipe radiator is installed in the said V-shape exhaust gases passes perpendicular to the flue gas circulating direction.
3. doube bridge parallel connection heat pipe waste heat boiler according to claim 1 is characterized in that, said V-shape exhaust gases passes bottom is provided with the cinder scraping machine.
4. doube bridge parallel connection heat pipe waste heat boiler according to claim 1 is characterized in that said drum is installed in the V-type groove of said V-shape exhaust gases passes.
5. according to the described doube bridge parallel connection heat pipe of claim 1-4 waste heat boiler, it is characterized in that said V-shape exhaust gases passes, said drum and said heat-pipe radiator are combined to form heat exchange unit each other; Said doube bridge parallel connection heat pipe waste heat boiler comprises the said heat exchange unit that the two-stage head and the tail are connected successively.
6. according to the described doube bridge parallel connection heat pipe of claim 1-4 waste heat boiler, it is characterized in that said drum is a cylinder, be installed in the V-type groove of two said V-shape exhaust gases passes; Wherein, two said V-shape exhaust gases passes are laid along the cylinder bearing of trend of said drum side by side, and are communicated with through pipeline each other, form an exhaust gases passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101750580A CN102661599A (en) | 2012-05-30 | 2012-05-30 | Double-bridge exhaust-heat boiler with parallel heat pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101750580A CN102661599A (en) | 2012-05-30 | 2012-05-30 | Double-bridge exhaust-heat boiler with parallel heat pipe |
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| CN102661599A true CN102661599A (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101750580A Pending CN102661599A (en) | 2012-05-30 | 2012-05-30 | Double-bridge exhaust-heat boiler with parallel heat pipe |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339249A (en) * | 1977-11-30 | 1982-07-13 | Stal-Laval Apparat Ab | Heat exchanger for recovery of heat energy from dust-containing waste gases |
| CN2034676U (en) * | 1988-02-27 | 1989-03-22 | 国营风华机器厂 | Waste heat recovery installation of bridge type doubk flow passage heating pipe |
| CN2391098Y (en) * | 1999-08-20 | 2000-08-09 | 泰安化工机械厂 | Hot-tube type steam generator |
| CN2582724Y (en) * | 2002-12-09 | 2003-10-29 | 哈尔滨电站设备成套设计研究所 | Twing cyclone impact type cyclone plate exhaust gas purifying device |
| CN102233220A (en) * | 2010-05-05 | 2011-11-09 | 启东市合作特种合金厂 | Flue gas dedusting equipment |
| CN202675238U (en) * | 2012-05-30 | 2013-01-16 | 中冶华天南京工程技术有限公司 | Two-bridge parallel heat pipe waste heat boiler |
-
2012
- 2012-05-30 CN CN2012101750580A patent/CN102661599A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339249A (en) * | 1977-11-30 | 1982-07-13 | Stal-Laval Apparat Ab | Heat exchanger for recovery of heat energy from dust-containing waste gases |
| CN2034676U (en) * | 1988-02-27 | 1989-03-22 | 国营风华机器厂 | Waste heat recovery installation of bridge type doubk flow passage heating pipe |
| CN2391098Y (en) * | 1999-08-20 | 2000-08-09 | 泰安化工机械厂 | Hot-tube type steam generator |
| CN2582724Y (en) * | 2002-12-09 | 2003-10-29 | 哈尔滨电站设备成套设计研究所 | Twing cyclone impact type cyclone plate exhaust gas purifying device |
| CN102233220A (en) * | 2010-05-05 | 2011-11-09 | 启东市合作特种合金厂 | Flue gas dedusting equipment |
| CN202675238U (en) * | 2012-05-30 | 2013-01-16 | 中冶华天南京工程技术有限公司 | Two-bridge parallel heat pipe waste heat boiler |
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Application publication date: 20120912 |