CN201866787U - Heat transfer oil furnace waste heat high-efficiency recycle device with phase-change heat exchanger - Google Patents
Heat transfer oil furnace waste heat high-efficiency recycle device with phase-change heat exchanger Download PDFInfo
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- CN201866787U CN201866787U CN2010206155925U CN201020615592U CN201866787U CN 201866787 U CN201866787 U CN 201866787U CN 2010206155925 U CN2010206155925 U CN 2010206155925U CN 201020615592 U CN201020615592 U CN 201020615592U CN 201866787 U CN201866787 U CN 201866787U
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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
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Abstract
The utility model relates to a heat transfer oil furnace waste heat high-efficiency recycle device with a phase-change heat exchanger, which comprises a heat transfer oil furnace and a flue. A heat transfer oil heater and the phase-change heat exchanger are sequentially arranged inside the flue, the phase-change heat exchanger comprises an evaporator and a condenser, and the condenser is positioned outside the flue. The condenser of the phase-change heat exchanger and an air preheater are arranged outside the flue. The condenser of the phase-change heat exchanger adopts an indirect heat exchanging mode and preferably adopts heat transfer oil as a cooling medium, the heat transfer oil is heated before being delivered into the heat transfer oil heater, and heat transfer oil heated by the heat transfer oil heater enters the air preheater to be used as a heat source for heating air to be used as combustion air of the heat transfer oil furnace. The heat transfer oil furnace waste heat high-efficiency recycle device realizes economic running of the heat transfer oil furnace with high heat efficiency, solves the problem of difficult recycle of waste heat of the heat transfer oil furnace, achieves the purposes of energy conservation and consumption reduction, and can be combined with existing heat transfer oil furnace waste heat recycle technology for optimal use.
Description
Technical field
The present invention relates to a kind of residual heat of heat-conducting oil furnace high efficiente callback device, belong to residual heat from boiler fume and reclaim the field.
Background technology
Heat-conducting oil furnace be a kind of be that conduction oil is the special boiler of medium with organic heat carrier, boiler produces high temperature heat conductive oil by fuel combustion, for the hot equipment of the usefulness that needs heat energy provides heat, and boiler oil burning back produces and reaches 350 ℃～450 ℃ high-temperature flue gas.
Heat-conducting oil furnace does not carry out waste heat recovery mostly or only increases air preheater recovery section fume afterheat.The part flow setting waste-heat recovery device of carrying vapour generator such as heat pipe boiler etc., a kind of heat-conducting oil furnace using waste heat from tail gas retracting device structural representation (as Fig. 1) of carrying vapour generator is provided as ZL200420027889.4:
Label is illustrated as among Fig. 1: 1-body of heater, 2-flue, 3-steam generator, 31-steam generator shell, 32-steam generator drum, 33-steam generator heat-transfer pipe, 34-steam generator tube sheet, 4-air preheater, the air inlet pipe of 41-air preheater, 5-air-introduced machine, 6-chimney.
This patented technology can make the heat-conducting oil furnace exhaust gas temperature be reduced to 160 ℃, and reclaims a certain amount of steam.
The device flow process that ZL200710046604.X provides a kind of residual heat from boiler fume to reclaim, this technology main application fields is a station boiler.This technology example structure schematic diagram as shown in Figure 2.
Embodiment description of reference numerals: 1-self-con-tained unit, 2-internally piloted valve, 3-drum, the 4-upper hose, 5-down-comer, 6-mesolow evaporimeter, the 7-economizer, 8-feed pump, 9-air preheater, the 10-flue, 11-phase-change heat-exchanger hypomere, 12-wall temperature tester, 13-phase-change heat-exchanger epimere, the 14-air channel, 15-drum safety valve, 16-drum liquid level gauge.
This technology is compared with ZL200420027889.4, and exhaust gas temperature can be reduced to about 130 ℃, improves boiler thermal output 1%～2%.
But, if the heat-conducting oil furnace applying unit need not the steam that the waste heat recovery flow process produces, the use of such technology promptly is very restricted, then only can only increase air preheater recovery section fume afterheat, the exhaust gas temperature of boiler is common more than 250 ℃, the overall thermal efficient of boiler is lower, and energy dissipation is big.Do not meet energy-conservation requirement.If exhaust gas temperature is reduced to about 130 ℃, boiler thermal output can improve about 9%, is stranded the fume afterheat that this further rationally recycles heat-conducting oil furnace, reduces exhaust gas temperature, improves the focus that the thermal efficiency becomes this area research.
Summary of the invention
Purpose of the present invention is exactly to solve the shortcoming that above-mentioned prior art exists, and realizes the high efficiente callback of heat-conducting oil furnace fume afterheat, reaches energy saving purposes.
The residual heat of heat-conducting oil furnace high efficiente callback device of band phase-change heat-exchanger comprises heat-conducting oil furnace 1 and flue 9 and flue external equipment, has heat-conducting oil furnace 1 to comprise heating source 2, and heating source 2 can adopt coal, oil or gas to act as a fuel.Be provided with hotline heater 10, phase-change heat-exchanger 11 in the flue 9 successively, phase-change heat-exchanger 11 comprises evaporimeter 11-1 and condenser 11-2, and condenser 11-2 wherein is positioned at outside the flue, and the working media of evaporimeter 11-1 is a water.Flue 9 outer condenser 11-2 and the air preheaters 16 that are provided with phase-change heat-exchanger 11.The condensation segment of phase-change heat-exchanger 11 adopts the indirect heat exchange mode to utilize conduction oil or air as cooling medium, as preferably selecting for use conduction oil as cooling medium, hotline heater 10 will be sent into after the heat-conducting oil heating, enter air preheater 16 through the conduction oil of hotline heater 10 heating and add hot-air as thermal source, the hot-air 18 of air 17 after air preheater 16 heating sent into heat-conducting oil furnace 1 as combustion air.
Temperature end conduction oil closed circuit of the present invention is as follows: conduction oil enters hot oil pump again after with hot equipment 3, gs-oil separator 5, filter 6 and is connected to form closed cycle by pipe-line system after entering heat-conducting oil furnace 1 after hot oil pump 7 pressurization and absorbing the heat that burning produces.
Low-temperature end conduction oil closed circuit of the present invention is as follows: conduction oil enters low-temperature end hot oil pump 12 again and is connected to form closed cycle by pipe-line system after entering phase-change heat-exchanger condenser 11-2 after low-temperature end hot oil pump 12 pressurization and absorbing heat behind hotline heater 10, air preheater 16, gs-oil separator 15, filter 14.
Be provided with flue gas discharge temperature regulation device 13, regulation device 13 is according to the height of the wall temperature (or flue outlet place cigarette temperature) of phase-change heat-exchanger evaporimeter 11-1, the means such as aperture of the bypass valve by control phase-change heat-exchanger condenser 11-2, can make the exhaust gas temperature of flue outlet be reduced to the flue gas acid dew point temperature of the evaporimeter wall that only is higher than phase-change heat-exchanger 11, avoiding under the prerequisite of dewfall, reach the purpose of utilizing fume waste heat to greatest extent, make heat-conducting oil furnace energy economy, high thermal efficiency operation, reach energy saving purposes.
This device utilizes the thermal source of the high-temperature flue gas waste heat of heat-conducting oil furnace as hotline heater 10 and phase-change heat-exchanger 11, the higher conduction oil of the temperature that produces is in order to add hot-air 17, the hot-air 18 that produces is sent into heat-conducting oil furnace 1, improves EAT, reduces fuel consumption.
The present invention can be used in combination with existing residual heat of heat-conducting oil furnace recovery technology.
The heat that conduction oil among the present invention reclaims is that example is used for adding hot-air with the air preheater, also can be used for heating the suitably fluid of heating of other needs, as producing steam etc.
Description of drawings
Fig. 1 is the heat-conducting oil furnace using waste heat from tail gas retracting device structural representation of the carrying vapour generator of prior art;
Fig. 2 is the device flow chart that the residual heat from boiler fume of prior art reclaims;
Fig. 3 is the residual heat of heat-conducting oil furnace efficient recycling method and the apparatus structure schematic diagram of band phase-change heat-exchanger of the present invention.
Among the figure, 1-heat-conducting oil furnace, the hot equipment of 2-heating source, 3-, 4-high-order expansion slot, 5-gs-oil separator, 6-filter, 7-hot oil pump, 8-low level oil storage tank, 9-flue, 10-hotline heater, 11-phase-change heat-exchanger, 11-1-phase-change heat-exchanger evaporimeter, 11-2 phase-change heat-exchanger condensers, 12-low-temperature end hot oil pump, 13-regulation device, 14-filter, 15-gs-oil separator, the 16-air preheater, 17-air, 18-hot-air.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Accompanying drawing 3 is embodiment of the residual heat of heat-conducting oil furnace high efficiente callback device of band phase-change heat-exchanger, heat-conducting oil furnace 1 and flue 9 and flue external equipment, and heat-conducting oil furnace 1 comprises heating source 2, heating source 2 can adopt coal, oil or gas to act as a fuel.Be provided with hotline heater 10, phase-change heat-exchanger 11 in the flue 9 successively, phase-change heat-exchanger 11 comprises evaporimeter 11-1 and condenser 11-2, and condenser 11-2 wherein is positioned at outside the flue, and the working media of evaporimeter 11-1 is a water.Flue 9 outer condenser and the air preheaters that are provided with phase-change heat-exchanger 11.The condenser of phase-change heat-exchanger 11 adopts the indirect heat exchange mode to utilize conduction oil or air as cooling medium, as preferably selecting for use conduction oil as cooling medium, hotline heater 10 will be sent into after the heat-conducting oil heating, enter air preheater 16 through the conduction oil of hotline heater 10 heating and add hot-air as thermal source, the hot-air 18 of air 17 after air preheater 16 heating sent into heat-conducting oil furnace 1 as combustion air.
Temperature end conduction oil closed circuit is as follows: conduction oil enters hot oil pump again after with hot equipment 3, gs-oil separator 5, filter 6 and is connected to form closed cycle by pipe-line system after entering heat-conducting oil furnace 1 after hot oil pump 7 pressurization and absorbing the heat that burning produces.
Low-temperature end conduction oil closed circuit is as follows: conduction oil enters low-temperature end hot oil pump 12 again and is connected to form closed cycle by pipe-line system after entering phase-change heat-exchanger condenser 11-2 after low-temperature end hot oil pump 12 pressurization and absorbing heat behind hotline heater 10, air preheater 16, gs-oil separator 15, filter 14.
Be provided with flue gas discharge temperature regulation device 13, regulation device 13 is according to the height of the wall temperature (or flue outlet place cigarette temperature) of phase-change heat-exchanger evaporimeter 11-1, the means such as aperture of the bypass valve by control phase-change heat-exchanger condenser 11-2 can make the exhaust gas temperature of flue outlet be reduced to the flue gas acid dew point temperature of the evaporator section wall that only is higher than phase-change heat-exchanger 11.
Though the present invention with preferred embodiment openly as above, they are not to be used for limiting the present invention, anyly are familiar with this skill person, without departing from the spirit and scope of the invention, when doing various variations or retouching, belong to the present invention's protection domain equally certainly.For example, the flow process of phase-change heat-exchanger of the present invention equally also is applicable to industry cellar for storing things stove.Therefore protection scope of the present invention should with the application claim was defined is as the criterion.
Claims (9)
1. be with the residual heat of heat-conducting oil furnace high efficiente callback device of phase-change heat-exchanger, comprise heat-conducting oil furnace (1) and flue (9), it is characterized in that: heat-conducting oil furnace (1) comprises heating source (2), heating source (2) adopts coal, oil or gas to act as a fuel, be provided with hotline heater (10) and phase-change heat-exchanger (11) in the flue (9) successively, phase-change heat-exchanger 11 comprises evaporimeter (11-1) and condenser (11-2), condenser wherein (11-2) is positioned at outside the flue (9), and this condenser (11-2) is as one of thermal source of low-temperature end conduction oil closed circuit; After hotline heater (10) heating, the air that enters air preheater (16) preheating is sent into heat-conducting oil furnace (1) as combustion air through the conduction oil after condenser (11-2) heating.
2. the residual heat of heat-conducting oil furnace high efficiente callback device of band phase-change heat-exchanger according to claim 1, it is characterized in that: described low-temperature end conduction oil closed circuit is meant, conduction oil enters low-temperature end hot oil pump (12) again and is connected to form closed cycle by pipe-line system after entering phase-change heat-exchanger condenser (11-2) absorption heat after low-temperature end hot oil pump (12) pressurization behind hotline heater (10), air preheater (16), gs-oil separator (15), filter (14).
3. the residual heat of heat-conducting oil furnace high efficiente callback device of band phase-change heat-exchanger according to claim 2, it is characterized in that: it also comprises temperature end conduction oil closed circuit, be conduction oil after entering heat-conducting oil furnace (1) after hot oil pump (7) pressurization and absorbing the heat that burning produces, enter hot oil pump (7) again after with hot equipment (3), gs-oil separator (5), filter (6) to be connected to form closed cycle by pipe-line system.
4. according to the residual heat of heat-conducting oil furnace high efficiente callback device of the described band phase-change heat-exchanger of one of claim 1 to 3, it is characterized in that: at least one heat exchanger tube that described phase-change heat-exchanger condenser (11-2) comprises housing and passes through in the housing, the entrance point of housing is connected with low-temperature end hot oil pump (12) outlet and hotline heater (10) heat conductive oil inlet of low-temperature end conduction oil closed circuit respectively with the port of export.
5. according to the residual heat of heat-conducting oil furnace high efficiente callback device of the described band phase-change heat-exchanger of one of claim 1 to 3, it is characterized in that: described hotline heater (10) has a heat exchanger tube at least, and said hotline heater (10) heat exchanger tube entrance point is connected with the conduction oil outlet and air preheater (16) the organic heat carrier import of phase-change heat-exchanger condenser (11-2) respectively with the port of export.
6. according to the residual heat of heat-conducting oil furnace high efficiente callback device of the described band phase-change heat-exchanger of one of claim 1 to 3, it is characterized in that: described air preheater (16) adopts the indirect heat exchange mode with conduction oil, and the entrance point of housing is connected with hotline heater (10) outlet and gs-oil separator (15) heat conductive oil inlet respectively with the port of export.
7. root is according to the residual heat of heat-conducting oil furnace high efficiente callback device of the described band phase-change heat-exchanger of one of claim 1 to 3, it is characterized in that being provided with the regulation device (13) of exhaust gas temperature, regulation device (13) is according to the height of the wall temperature of phase-change heat-exchanger evaporimeter (11-1), by the aperture of bypass valve of control phase-change heat-exchanger condenser (11-2), can make the exhaust gas temperature of flue outlet be reduced to the flue gas acid dew point temperature of the evaporator section wall that only is higher than phase-change heat-exchanger (11).
8. according to the residual heat of heat-conducting oil furnace high efficiente callback device of the described band phase-change heat-exchanger of one of claim 1 to 3, it is characterized in that: the heat exchanger tube of described hotline heater (10) can adopt tubulation, finned tube, coiled pipe or spiral grooved tube.
9. according to the residual heat of heat-conducting oil furnace high efficiente callback device of the described band phase-change heat-exchanger of one of claim 1 to 3, it is characterized in that: described conduction oil closed circuit is provided with low level oil storage tank (8), high-order expansion slot (4) auxiliary equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206155925U CN201866787U (en) | 2010-11-19 | 2010-11-19 | Heat transfer oil furnace waste heat high-efficiency recycle device with phase-change heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206155925U CN201866787U (en) | 2010-11-19 | 2010-11-19 | Heat transfer oil furnace waste heat high-efficiency recycle device with phase-change heat exchanger |
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| CN201866787U true CN201866787U (en) | 2011-06-15 |
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| CN2010206155925U Expired - Fee Related CN201866787U (en) | 2010-11-19 | 2010-11-19 | Heat transfer oil furnace waste heat high-efficiency recycle device with phase-change heat exchanger |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538203A (en) * | 2012-01-05 | 2012-07-04 | 苏州工业园区瑞柯徕姆环保科技有限公司 | Waste heat recovering device for conduction oil furnace |
| CN102563874A (en) * | 2012-01-12 | 2012-07-11 | 苏州工业园区瑞柯徕姆环保科技有限公司 | Internal circulation waste heat recycling device of heat conducting oil furnace with temperature regulator |
| CN102620428A (en) * | 2012-01-05 | 2012-08-01 | 苏州工业园区瑞柯徕姆环保科技有限公司 | Internal-circulation waste heat recovery device for heat-conducting oil furnace |
| CN103708138A (en) * | 2012-10-06 | 2014-04-09 | 吴舒克 | Anti-oxidation and heat-insulation device for conduction oil |
| CN108426372A (en) * | 2018-02-28 | 2018-08-21 | 新奥泛能网络科技股份有限公司 | High-temperature heating equipment |
-
2010
- 2010-11-19 CN CN2010206155925U patent/CN201866787U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538203A (en) * | 2012-01-05 | 2012-07-04 | 苏州工业园区瑞柯徕姆环保科技有限公司 | Waste heat recovering device for conduction oil furnace |
| CN102620428A (en) * | 2012-01-05 | 2012-08-01 | 苏州工业园区瑞柯徕姆环保科技有限公司 | Internal-circulation waste heat recovery device for heat-conducting oil furnace |
| CN102538203B (en) * | 2012-01-05 | 2013-10-23 | 苏州工业园区瑞柯徕姆环保科技有限公司 | Waste heat recovering device for conduction oil furnace |
| CN102563874A (en) * | 2012-01-12 | 2012-07-11 | 苏州工业园区瑞柯徕姆环保科技有限公司 | Internal circulation waste heat recycling device of heat conducting oil furnace with temperature regulator |
| CN103708138A (en) * | 2012-10-06 | 2014-04-09 | 吴舒克 | Anti-oxidation and heat-insulation device for conduction oil |
| CN108426372A (en) * | 2018-02-28 | 2018-08-21 | 新奥泛能网络科技股份有限公司 | High-temperature heating equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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| ASS | Succession or assignment of patent right |
Owner name: NANJING RUIKE LAIMU ENVIRONMENTAL TECHNOLOGY CO., Free format text: FORMER OWNER: WANG HAIBO Effective date: 20130701 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130701 Address after: Dong Qi Road in Jiangning District of Nanjing City, Jiangsu Province, No. 33 211100 Patentee after: Nanjing Rekelaimu Environmental Protection Technology Co., Ltd. Address before: Spring Street Dongshan Town of Jiangning District of Nanjing City, Jiangsu province 211100 No. 90 Building 2 Room 305 Patentee before: Wang Haibo |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160920 Address after: 214112 No. 50 Chang Zhang Road, Mei Cun industrial concentration area, Jiangsu, Wuxi Patentee after: Wuxi net source environmental protection technology Co., Ltd. Address before: Dong Qi Road in Jiangning District of Nanjing City, Jiangsu Province, No. 33 211100 Patentee before: Nanjing Rekelaimu Environmental Protection Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20171119 |