CN201917230U - Afterheat concentrated recovering device for tubular heating furnace - Google Patents
Afterheat concentrated recovering device for tubular heating furnace Download PDFInfo
- Publication number
- CN201917230U CN201917230U CN2011200017235U CN201120001723U CN201917230U CN 201917230 U CN201917230 U CN 201917230U CN 2011200017235 U CN2011200017235 U CN 2011200017235U CN 201120001723 U CN201120001723 U CN 201120001723U CN 201917230 U CN201917230 U CN 201917230U
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- CN
- China
- Prior art keywords
- air
- heat
- waste
- pipe
- concentrated
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- 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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- 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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- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Air Supply (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an afterheat concentrated recovering device for a tubular heating furnace, which belongs to a heat exchanger, in particular to an afterheat recovering device for the tubular heating furnace used in industries such as petroleum, chemical engineering, coking and the like. The afterheat concentrated recovering device for the tubular heating furnace comprises at least two parallel tubular heating furnaces and is characterized in that a smoke gas inlet of the afterheat recovering device is connected with a main flue, a smoke gas outlet is connected with a draft fan and is connected to a main discharge chimney, the main flue is connected onto a chimney arranged at the lower side of a chimney turning plate of each tubular heating furnace through branch flues, an air inlet of the heat pipe afterheat recovering device is provided with a blast fan, a preheated air outlet is connected with a main air pipe, and the main air pipe is connected with a tubular heating furnace air circulating pipe arranged at the bottom of the tubular heating furnaces through branch air pipes. The afterheat concentrated recovering device has the beneficial effects that through using the efficient heat pipe heat exchange technology and adopting the integrated heat exchange, the equipment cost is reduced, the heat exchange efficiency is improved, the energy consumption is reduced, and meanwhile, the operation cost and the equipment maintenance cost are also reduced.
Description
Technical field
The utility model belongs to heat-exchange device, especially for the waste-heat recovery device of the tubular heater of industries such as oil, chemical industry and coking.
Background technology
About 380 ℃ of present industrial tubular heater smog discharge temperature, often use many tubular heaters in process of production in industries such as oil, chemical industry and coking, heat waste is very serious, there is following situation at present in recovery to this part heat: do not carry out the direct emptying of waste heat recovery, so do not meet the environmental protection and energy saving requirement 1.; 2. waste heat recovery apparatus efficient is low, does not reach the energy conservation standard requirement, the operating cost height; 3. the flow of restive flue gas and air when carrying out waste heat recovery for the tubular heater group of different heating medium and heated medium; 4. when system or certain heating furnace break down, be difficult to switch between many tubular heaters, be difficult to guarantee the independent operating of normal tubular heater.
The utility model content
Low in order to overcome existing tubular heater waste heat recovery efficient, disperse to be provided with the high deficiency of operating cost, the utility model provides a kind of tubular heater waste heat to concentrate retracting device, this tubular heater waste heat is concentrated retracting device not only can concentrate many tubular heaters and is recycled, and has higher efficient.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of tubular heater waste heat is concentrated retracting device, comprise at least two tubular heaters arranged side by side, furnace roof is equipped with the chimney that has the chimney turnover panel, furnace bottom is provided with the air bustle pipe, it is characterized in that: the gas approach of waste-heat recoverer is connected with flue collector, exhanst gas outlet is connecting air-introduced machine and is being connected to total blowdown stack, flue collector is connected on the chimney of each tubular heater chimney turnover panel downside by branch flue, the air intlet of heat pipe waste-heat recoverer is equipped with air blast, and air outlet slit is connecting air main after the preheating, air main connects the tubular heater air bustle pipe of tubular heater bottom by branch wind pipe.
The flue gas butterfly valve is housed on the described branch flue, the open air butterfly valve of a hot-air butterfly valve and an end is housed on the described branch wind pipe.
Described air-introduced machine, air blast and the blower fan switch board that frequency converter is housed are connected.
Described waste-heat recoverer is heat pipe-type waste-heat recoverer or helical fin tubular type waste-heat recoverer.
Described heat pipe-type waste-heat recoverer adopts two end structures of band dividing plate, and heat pipe is fixed on the dividing plate.
The beneficial effects of the utility model are the utility model by utilizing heat pipe heat exchanging technology efficiently, adopt and concentrate heat exchange, thereby reduce equipment cost, have improved heat exchange efficiency and cut down the consumption of energy, and also reduce the maintenance cost of operating cost and equipment simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure, 1. tubular heater, 2. tubular heater air bustle pipe, 3. air butterfly valve, 4. hot-air butterfly valve, 5. flue gas butterfly valve, 6. branch wind pipe, 7. branch flue, 8. air main, 9. flue collector, 10. waste-heat recoverer, 11. air blasts, 12. air-introduced machines, 13. total blowdown stack, 14. blower fan switch boards, 15. chimney turnover panels, 16. the tubular heater burner, 17. tubular heater chimneys, 18. heat pipes.
The specific embodiment
The specific embodiment of the present utility model is, as shown in the figure:
Embodiment 1, a kind of tubular heater waste heat is concentrated retracting device, comprise at least two tubular heaters arranged side by side 1, furnace roof is equipped with the chimney 17 that has chimney turnover panel 15, furnace bottom is provided with air bustle pipe 2, it is characterized in that: the gas approach of heat pipe waste-heat recoverer 10 is connected with flue collector 9, exhanst gas outlet is connecting air-introduced machine 12 and is being connected to total blowdown stack 13, flue collector is connected on the chimney of each tubular heater chimney turnover panel 15 downside by branch flue 7, the air intlet of heat pipe waste-heat recoverer is equipped with air blast 11, and air outlet slit is connecting air main 8 after the preheating, air main connects the tubular heater air bustle pipe of tubular heater bottom by branch wind pipe 6.Flue gas butterfly valve 5 is housed on the branch flue, the open air butterfly valve 3 of a hot-air butterfly valve 4 and an end is housed on the described branch wind pipe.Air-introduced machine, air blast and the blower fan switch board 14 that frequency converter is housed are connected.The heat pipe-type waste-heat recoverer adopts two end structures of band dividing plate, and heat pipe 18 is fixed on the dividing plate.
Existing 2 the tar tubular heaters of certain unit and 2 crude naphthalene tubular heaters work alone separately, the exhaust gas temperature of every tubular heater is more than 350 ℃, high-temperature flue gas is by independently chimney discharge separately, and fuel gas is natural gas, and air and fuel gas is not preheating all.Air enters combustion-supporting with environment temperature, also will consume the part heat, and waste is serious, and the thermal efficiency is very low, does not meet environmental protection and energy-conservation requirement.Flue gas is by drawing under the tubular heater chimney turnover panel behind the waste-heat recovery device that installation the utility model provides, enter flue collector by branch flue and flue gas butterfly valve, flue collector is connected with the heat pipe waste-heat recoverer, discharge through air-introduced machine and total blowdown stack after the heat exchange cooling, air is blasted to be heated through the heat pipe waste-heat recoverer by air blast and enters main air duct, main air duct is connected with branch wind pipe, branch wind pipe is connected with tubular heater air bustle pipe, bustle pipe is connected with the air intake of each burner, and it is combustion-supporting that hot-air enters burner by bustle pipe after uniform.Temperature after the air preheat reaches 200 ℃, and smog discharge temperature drops to 70 ℃, has therefore improved device heat efficiency, has reduced fuel consumption, has reduced equipment investment and floor space, has reduced the use and maintenance cost of equipment.
Claims (5)
1. a tubular heater waste heat is concentrated retracting device, comprise at least two tubular heaters arranged side by side, furnace roof is equipped with the chimney that has the chimney turnover panel, furnace bottom is provided with the air bustle pipe, it is characterized in that: the gas approach of waste-heat recoverer is connected with flue collector, exhanst gas outlet is connecting air-introduced machine and is being connected to total blowdown stack, flue collector is connected on the chimney of each tubular heater chimney turnover panel downside by branch flue, the air intlet of heat pipe waste-heat recoverer is equipped with air blast, and air outlet slit is connecting air main after the preheating, air main connects the tubular heater air bustle pipe of tubular heater bottom by branch wind pipe.
2. tubular heater waste heat according to claim 1 is concentrated retracting device, it is characterized in that: the flue gas butterfly valve is housed on the described branch flue, the open air butterfly valve of a hot-air butterfly valve and an end is housed on the described branch wind pipe.
3. tubular heater waste heat according to claim 1 is concentrated retracting device, it is characterized in that: described air-introduced machine, air blast and the blower fan switch board that frequency converter is housed are connected.
4. tubular heater waste heat according to claim 1 is concentrated retracting device, it is characterized in that: described waste-heat recoverer is heat pipe-type waste-heat recoverer or helical fin tubular type waste-heat recoverer.
5. tubular heater waste heat according to claim 4 is concentrated retracting device, it is characterized in that: described heat pipe-type waste-heat recoverer adopts two end structures of band dividing plate, and heat pipe is fixed on the dividing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200017235U CN201917230U (en) | 2011-01-05 | 2011-01-05 | Afterheat concentrated recovering device for tubular heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200017235U CN201917230U (en) | 2011-01-05 | 2011-01-05 | Afterheat concentrated recovering device for tubular heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201917230U true CN201917230U (en) | 2011-08-03 |
Family
ID=44417024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200017235U Expired - Lifetime CN201917230U (en) | 2011-01-05 | 2011-01-05 | Afterheat concentrated recovering device for tubular heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201917230U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809169A (en) * | 2012-07-19 | 2012-12-05 | 黑龙江建龙钢铁有限公司 | Waste-heat utilization device for crude benzene tubular furnace |
| CN104165528A (en) * | 2014-08-05 | 2014-11-26 | 宁夏共享铸钢有限公司 | Flue gas waste heat utilization device of heat treatment furnace |
| CN106382824A (en) * | 2016-08-31 | 2017-02-08 | 上海浩用节能工程有限公司 | Novel tube heating furnace waste heat recovery system and method |
| CN110440578A (en) * | 2019-07-29 | 2019-11-12 | 盐城市自强化纤机械有限公司 | A kind of vertical and cylindrical tubular heater |
| CN111219701A (en) * | 2018-11-23 | 2020-06-02 | 中国石油天然气股份有限公司 | Boiler system |
-
2011
- 2011-01-05 CN CN2011200017235U patent/CN201917230U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809169A (en) * | 2012-07-19 | 2012-12-05 | 黑龙江建龙钢铁有限公司 | Waste-heat utilization device for crude benzene tubular furnace |
| CN104165528A (en) * | 2014-08-05 | 2014-11-26 | 宁夏共享铸钢有限公司 | Flue gas waste heat utilization device of heat treatment furnace |
| CN106382824A (en) * | 2016-08-31 | 2017-02-08 | 上海浩用节能工程有限公司 | Novel tube heating furnace waste heat recovery system and method |
| CN111219701A (en) * | 2018-11-23 | 2020-06-02 | 中国石油天然气股份有限公司 | Boiler system |
| CN110440578A (en) * | 2019-07-29 | 2019-11-12 | 盐城市自强化纤机械有限公司 | A kind of vertical and cylindrical tubular heater |
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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: 20110803 |