CN201909551U - Flue gas waste heat-recycling high-efficient heat treatment furnace - Google Patents
Flue gas waste heat-recycling high-efficient heat treatment furnace Download PDFInfo
- Publication number
- CN201909551U CN201909551U CN2011200442282U CN201120044228U CN201909551U CN 201909551 U CN201909551 U CN 201909551U CN 2011200442282 U CN2011200442282 U CN 2011200442282U CN 201120044228 U CN201120044228 U CN 201120044228U CN 201909551 U CN201909551 U CN 201909551U
- Authority
- CN
- China
- Prior art keywords
- treatment furnace
- flue gas
- air
- air preheater
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- 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 utility model relates to a flue gas waste heat-recycling high-efficient heat treatment furnace which belongs to a heater and comprises a heating furnace, a flue, an air preheater and a burner, the air preheater is connected in series into the flue on the top of the heating furnace, the outlet pipeline of a fan is connected with the inlet of the air preheater, and the outlet pipeline of the air preheater is connected with the burner through a collecting air duct. The heat treatment furnace is a heating surface which utilizes the flue gas in the tail flue of a boiler to preheat the air by means of heat exchange tubes before the air enters the boiler. The heat treatment furnace is used for enhancing the heat exchange performance of the boiler and reducing energy consumption. The structural design of the heat treatment furnace is reasonable, the waste heat of flue gas is utilized to heat the air, so that fuel can be sufficiently burnt, the fuel cost is saved, the production cost is reduced, the exhaust emission is reduced, and thereby the heat treatment furnace achieves the purposes of energy saving and environment protection.
Description
Technical field
The utility model relates to a kind of heater, particularly the efficient heat-treatment furnace of flue gas waste heat recovery utilization.
Background technology
Heating furnace is the equipment with material or workpiece heating.By the thermal source division fuel heating furnace, resistance-heated furnace, induction heater, microwave oven etc. are arranged, use and spread all over many industry fields such as oil, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, material, light industry, daily use chemicals, pharmacy.Industrial fuel oil, combustion gas, when burning boiler manufactures and designs, in order to prevent heated surface at the end of boiler corrosion and dust stratification, exhaust gas temperature is not less than about 160～180 ℃ generally speaking, reaches as high as 500～700 ℃, high temperature discharge not only causes a large amount of thermal waste, and the while is contaminated environment also.The heat exchanger kind of the fume afterheat that at present different industries is used is a lot, the heat that reclaims adds hot water as required, generation steam is made heating furnace moisturizing and domestic water, or add the drying of hot-air as boiler auxiliary combustion wind or material, but the heat-treatment furnace project organization of industries such as existing metallurgy, machinery is unreasonable, makes the heat utilization efficiency of flue gas very low.
Summary of the invention
The utility model is intended to overcome the deficiencies in the prior art, provide a kind of flue gas waste heat recovery utilization efficient heat-treatment furnace, in the fuel saving expense, reduce production costs, reduce under the prerequisite of toxic emission, energy-conserving and environment-protective, improve the thermal efficiency of heating furnace, improve the quality of heating object in the heating-furnace.
The efficient heat-treatment furnace of flue gas waste heat recovery utilization of the present utility model, be to constitute by heating furnace, flue, air preheater and burner, in the flue at heating furnace top, air preheater has been installed, the export pipeline of air blast connects the inlet of air preheater, and the export pipeline of air preheater connects burner through the set air channel.
As further improvement of the utility model, described air preheater is a shell-and-tube heat exchanger, and its two ends are equipped with tube sheet, are fixed with heat exchanger tube between the tube sheet of two ends, is provided with air intake a and outlet b on the housing of air preheater.
As further improvement of the utility model, heat exchanger tube is a finned tube.
As further improvement of the utility model, the shell side in air preheater is provided with at least one deflection plate.
As further improvement of the utility model, the tube side of air preheater is that exhaust gases passes, shell side are air duct.
The efficient heat-treatment furnace of the utility model flue gas waste heat recovery utilization is that the heat exchanger tube of the flue gas in the heating furnace back-end ductwork by inside will be entered air preheat before the boiler to uniform temperature, is used to improve the thermal efficiency of heating furnace, reduces energy consumption.
The efficient heat-treatment furnace of the utility model flue gas waste heat recovery utilization, the structural design advantages of simple is utilized the waste heat of flue gas to add hot-air fuel can fully be burnt, and the fuel saving expense reduces production costs, and reduces toxic emission, and energy-conserving and environment-protective kill two birds with one stone.
Description of drawings
Figure of description 1 is the structural representation of the efficient heat-treatment furnace of the utility model flue gas waste heat recovery utilization.
The specific embodiment
The efficient heat-treatment furnace of flue gas waste heat recovery utilization of the present utility model, be to constitute by heating furnace 1, flue 2, air preheater 3 and burner 4, in the flue 2 at heating furnace 1 top air preheater 3 has been installed, the upper/lower terminal of air preheater 3 all is connected with flue 2 usefulness flanges 8.The export pipeline of air blast 5 connects the inlet a of air preheater 3, and the outlet b pipeline of air preheater 3 connects burner 4 through set air channel 6.
Air preheater 3 is a shell-and-tube heat exchanger, and its two ends are equipped with tube sheet 9, some heat exchanger tubes 10 of pegging graft between the two ends tube sheet 9, and heat exchanger tube 10 is finned tubes.Its tube side is that exhaust gases passes, shell side are air duct, is provided with air intake a and outlet b on the housing 11 of air preheater 3.
Shell side in the air preheater 3 is provided with at least one deflection plate that fixes with it 7, increase the time of staying of air in air preheater, it can be contacted with heat exchanger tube fully, make air reach higher temperature, simultaneously also reduce the exhaust gas discharging temperature effectively, reduced environmental pollution.
With the heat-treatment furnace is example: former heat-treatment furnace does not generally have waste-heat recovery device, exhaust gas temperature is generally about 500～650 ℃, use heating furnace of the present utility model, exhaust gas temperature can be reduced to about 200 ℃, space temperature is preheating to about 300～400 ℃, improves heat-treatment furnace efficient about 20～30%.
Claims (5)
1. the efficient heat-treatment furnace of flue gas waste heat recovery utilization, be to constitute by heating furnace (1), flue (2), air preheater (3) and burner (4), it is characterized in that in the flue (2) at heating furnace (1) top, air preheater (3) being installed, the export pipeline of air blast (5) connects the inlet a of air preheater (3), and the outlet b pipeline of air preheater (3) connects burner (4) through set air channel (6).
2. the efficient heat-treatment furnace of flue gas waste heat recovery utilization as claimed in claim 1 is characterized in that air preheater (3) is a shell-and-tube heat exchanger, and its two ends are equipped with tube sheet (9), are fixed with heat exchanger tube (10) between the two ends tube sheet (9).
3. the efficient heat-treatment furnace of flue gas waste heat recovery utilization as claimed in claim 2 is characterized in that heat exchanger tube (10) is a finned tube.
4. as claim 1 or the efficient heat-treatment furnace of 2 or 3 described flue gas waste heat recovery utilizations, it is characterized in that the shell side in the air preheater (3) is provided with at least one deflection plate (7).
5. as claim 1 or the efficient heat-treatment furnace of 2 or 3 described flue gas waste heat recovery utilizations, the tube side that it is characterized in that air preheater (3) is that exhaust gases passes, shell side are air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200442282U CN201909551U (en) | 2011-02-22 | 2011-02-22 | Flue gas waste heat-recycling high-efficient heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200442282U CN201909551U (en) | 2011-02-22 | 2011-02-22 | Flue gas waste heat-recycling high-efficient heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201909551U true CN201909551U (en) | 2011-07-27 |
Family
ID=44301752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200442282U Expired - Lifetime CN201909551U (en) | 2011-02-22 | 2011-02-22 | Flue gas waste heat-recycling high-efficient heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201909551U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072664A (en) * | 2011-02-22 | 2011-05-25 | 刘智泉 | Efficient thermal treatment furnace for recovering and utilizing flue gas waste heat |
| CN102607168A (en) * | 2012-03-09 | 2012-07-25 | 大连科林能源工程技术开发有限公司 | High-temperature high-pressure air heating furnace |
| CN102661612A (en) * | 2012-05-29 | 2012-09-12 | 邹岳明 | Burner suitable for delivering new air of flue heat exchange back to combustion chamber |
| CN103575160A (en) * | 2013-11-12 | 2014-02-12 | 广东摩德娜科技股份有限公司 | Self-cleaning heat exchanger |
| CN103672933A (en) * | 2012-09-17 | 2014-03-26 | 邹岳明 | Smoke flue, and vehicle, burning furnace, gas water heater all applying smoke flue |
| CN104266219A (en) * | 2012-05-29 | 2015-01-07 | 邹岳明 | Energy-saving combustion furnace for returning flue heat exchanging fresh air to combustion chamber |
| CN104266218A (en) * | 2012-05-29 | 2015-01-07 | 邹岳明 | Energy-saving combustion furnace for increasing combustion heat value of coal or gas |
| CN104567440A (en) * | 2014-11-28 | 2015-04-29 | 合肥鑫晟光电科技有限公司 | Thermal energy recovery device and alignment film curing system |
| CN104990422A (en) * | 2015-07-21 | 2015-10-21 | 宁波博汇化工科技股份有限公司 | Smoke heat recycling device for oil refining heating furnace |
| CN105783009A (en) * | 2012-09-17 | 2016-07-20 | 邹玉华 | Gas water heater capable of recycling heat energy of flue |
| CN106537059A (en) * | 2014-07-25 | 2017-03-22 | 株式会社能率 | Fin-and-tube type heat exchanger, and hot water supply device equipped with same |
-
2011
- 2011-02-22 CN CN2011200442282U patent/CN201909551U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072664A (en) * | 2011-02-22 | 2011-05-25 | 刘智泉 | Efficient thermal treatment furnace for recovering and utilizing flue gas waste heat |
| CN102607168A (en) * | 2012-03-09 | 2012-07-25 | 大连科林能源工程技术开发有限公司 | High-temperature high-pressure air heating furnace |
| CN104266219A (en) * | 2012-05-29 | 2015-01-07 | 邹岳明 | Energy-saving combustion furnace for returning flue heat exchanging fresh air to combustion chamber |
| CN102661612A (en) * | 2012-05-29 | 2012-09-12 | 邹岳明 | Burner suitable for delivering new air of flue heat exchange back to combustion chamber |
| CN104266218A (en) * | 2012-05-29 | 2015-01-07 | 邹岳明 | Energy-saving combustion furnace for increasing combustion heat value of coal or gas |
| CN102661612B (en) * | 2012-05-29 | 2014-11-05 | 邹岳明 | Burner suitable for delivering new air of flue heat exchange back to combustion chamber |
| CN105889965A (en) * | 2012-09-17 | 2016-08-24 | 邹玉华 | Energy-saving flue suitable for recycling heat energy |
| CN103672933A (en) * | 2012-09-17 | 2014-03-26 | 邹岳明 | Smoke flue, and vehicle, burning furnace, gas water heater all applying smoke flue |
| CN103672933B (en) * | 2012-09-17 | 2016-05-18 | 邹岳明 | A kind of flue and apply motor vehicle, combustion furnace and the gas heater of this flue |
| CN105783009A (en) * | 2012-09-17 | 2016-07-20 | 邹玉华 | Gas water heater capable of recycling heat energy of flue |
| CN105889958A (en) * | 2012-09-17 | 2016-08-24 | 邹玉华 | Combustion furnace with energy-saving flue suitable for recycling heat energy |
| CN103575160A (en) * | 2013-11-12 | 2014-02-12 | 广东摩德娜科技股份有限公司 | Self-cleaning heat exchanger |
| CN106537059A (en) * | 2014-07-25 | 2017-03-22 | 株式会社能率 | Fin-and-tube type heat exchanger, and hot water supply device equipped with same |
| CN106537059B (en) * | 2014-07-25 | 2019-08-09 | 株式会社能率 | Fin-tube heat exchanger and hot-water supply with the fin-tube heat exchanger |
| CN104567440A (en) * | 2014-11-28 | 2015-04-29 | 合肥鑫晟光电科技有限公司 | Thermal energy recovery device and alignment film curing system |
| US9766020B2 (en) | 2014-11-28 | 2017-09-19 | Boe Technology Group Co., Ltd. | Heat recovery device and alignment film curing system |
| CN104990422A (en) * | 2015-07-21 | 2015-10-21 | 宁波博汇化工科技股份有限公司 | Smoke heat recycling device for oil refining heating furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110727 |