CN204421038U - Heat conducting oil boiler afterheat generating system - Google Patents
Heat conducting oil boiler afterheat generating system Download PDFInfo
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- CN204421038U CN204421038U CN201420738496.8U CN201420738496U CN204421038U CN 204421038 U CN204421038 U CN 204421038U CN 201420738496 U CN201420738496 U CN 201420738496U CN 204421038 U CN204421038 U CN 204421038U
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- heat
- steam generator
- flue gas
- conducting oil
- generating system
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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
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Abstract
The utility model discloses a kind of heat conducting oil boiler afterheat generating system, and it comprises: body of heater, is provided with the burner hearth for heating conduction oil in body of heater; Nozzle, nozzle is arranged on the side end wall of body of heater, for fuel and combustion air are ejected into the heat release of burner hearth combustion; Flue, flue is connected on the opposite side end wall of body of heater, for flue gas is expelled to chimney from body of heater exhanst gas outlet; And air pipe line, air pipe line is connected to nozzle, for combustion air is delivered to nozzle.Wherein, heat conducting oil boiler afterheat generating system comprises Water, steam circulation power generation circuit further, and Water, steam circulation power generation circuit comprises the steam generator be arranged in flue and the steam turbine be connected with steam generator by pipeline.
Description
Technical field
The utility model relates to a kind of afterheat generating system, particularly a kind of boiler smoke waste heat power generation system.
Background technology
In the face of increasingly serious environmental problem and energy crisis; energy-saving and emission-reduction are all being advocated energetically in the whole world; especially for consuming energy and polluting all more serious Industrial Stoves related industry; how carrying out energy-saving and emission-reduction transformation, having become the factor that those skilled in the art must consider when designing this kind equipment.
For heat conducting oil boiler, the flue-gas temperature of its smoke outlet can reach 400 degrees centigrade usually.If be directly discharged in environment by these high-temperature flue gas, energy waste not only can be caused also to cause destruction to a certain degree to environment.
A kind of flue gas waste heat recovery TRT disclosed in No. 200820139475.9, Chinese patent, is made up of heating system, injection system and electricity generation system; Heating system is made up of heat conducting oil boiler, filter, point oil cylinder, uplink cycle pump, downlink cycle pump, oil-collecting cylinder, fluid up-hill line, fluid downstream pip; Heat conducting oil boiler is communicated with flue collector through by-pass flue, is provided with flue gas and switches control valve in by-pass flue; Injection system is in parallel with fluid downstream pip, and injection system is made up of filling pump, expansion slot, hot oil pump, deep fat storage tank; Electricity generation system is made up of evaporimeter, secondary preheating device, turbine, generator, preheater, condenser, a working medium circulating pump, working medium circulating pump is arranged on working medium liquid pipe, and fluid downstream pip, oiling pipeline, working medium gas phase pipeline are provided with by-pass valve control.But, with regard to direct, high-temperature flue gas is entered air after this flue gas waste heat recovery TRT only utilizes the high-temperature flue gas of heat conducting oil boiler that cool water heating is become high-temperature water, the fume afterheat of heat conducting oil boiler is not fully recycled, and its electricity generation system also needs extra waste heat boiler that warm water is heated into water vapour for steam turbine power generation.
And for example a kind of regenerative system of turbogenerator unit utilizing waste heat of heat conducting oil furnace in calcination disclosed in No. 201020637079.6, Chinese patent, comprise Turbo-generator Set, described Turbo-generator Set is connected with condenser, condenser is connected with condensate pump, condensate pump is connected with flue gas heat-exchange unit by pipe network, flue gas heat-exchange unit is connected with oxygen-eliminating device, and oxygen-eliminating device is connected with waste heat boiler through feed pump, and waste heat boiler is connected with Turbo-generator Set; Flue gas heat-exchange unit is also connected with heat-conducting oil furnace flue gas system simultaneously.But the high-temperature flue gas of the heat conducting oil boiler in this regenerative system of turbogenerator unit directly enters air not carry out any recycling, and its electricity generation system utilizes the high temperature heat conductive oil in heat conducting oil boiler that working medium is heated into steam for steam turbine power generation.
Therefore, provide a kind of and can make full use of fume afterheat, improve the heat conducting oil boiler afterheat generating system of efficiency of combustion and become urgent problem in the industry.
Summary of the invention
The purpose of this utility model is to provide a kind of heat conducting oil boiler afterheat generating system, and it fully can be recycled high-temperature flue gas cogeneration and can improve boiler combustion efficiency.
According to an aspect of the present utility model, provide a kind of heat conducting oil boiler afterheat generating system, it comprises: body of heater, is provided with the burner hearth for heating conduction oil in body of heater; Nozzle, nozzle is arranged on the side end wall of body of heater, for fuel and combustion air are ejected into the heat release of burner hearth combustion; Flue, flue is connected on the opposite side end wall of body of heater, for flue gas is expelled to chimney from body of heater exhanst gas outlet; And air pipe line, air pipe line is connected to nozzle, for combustion air is delivered to nozzle.Wherein, heat conducting oil boiler afterheat generating system comprises Water, steam circulation power generation circuit further, and Water, steam circulation power generation circuit comprises the steam generator be arranged in flue and the steam turbine be connected with steam generator by pipeline.
Preferably, Water, steam circulation power generation circuit comprises the screw rod generator be arranged between steam turbine and steam generator further, and is arranged on the water pump between screw rod generator and steam generator.
Selectively, steam generator comprises high-temperature flue gas entry, middle temperature exhanst gas outlet, warm water entrance, high-temperature water vapor exports, the high-temperature water vapor produced in steam generator (300 ~ 400 degrees Celsius, such as about 350 degrees Celsius) after high-temperature water vapor outlet enters steam turbine generating acting via pipeline, become water at low temperature steam (100 ~ 150 degrees Celsius, such as about 120 degrees Celsius), water at low temperature steam becomes (50 ~ 80 degrees Celsius, warm water after entering the acting of screw rod generator secondary electricity generation via pipeline, such as about 60 degrees Celsius), warm water to enter in steam generator from warm water entrance via pipeline and becomes high-temperature water vapor with high-temperature flue gas heat exchange.
Selectively, the middle temperature smoke chamber that steam generator comprises Heat Room, is formed at the high-temperature flue gas room of Heat Room side, is formed at Heat Room opposite side, the high-temperature flue gas entry of steam generator is formed on the end wall of high-temperature flue gas room, the middle temperature exhanst gas outlet of steam generator is formed on the end wall of middle temperature smoke chamber, the warm water entrance of steam generator is formed at Heat Room on the sidewall of middle temperature smoke chamber one end, and the high-temperature water vapor outlet of steam generator is formed at Heat Room on the sidewall of one end, high-temperature flue gas room.
Preferably, Heat Room comprises the bellows that several (such as 3 or 5) are arranged in parallel, and flue gas flows into low-temperature flue gas room from high-temperature flue gas room lease making bellows, and warm water is at the outside of bellows and the flue gas heat exchange flowing through bellows.
More preferably, Heat Room also comprises at least two (such as 3) for changing steam flow direction to extend the baffle plate of heat-exchange time, baffle plate extends from a sidewall of Heat Room to another sidewall, and and distance between another sidewall be more than or equal to 2 ~ 3 times of calibers of bellows.
Selectively, air pipe line comprises the air preheater be arranged in flue, cold air (air at room temperature, such as about 20 degrees Celsius) to enter in air preheater with after middle temperature flue gas heat exchange from cool air inlet and become preheated air (120 ~ 180 degrees Celsius, such as about 150 degrees Celsius), preheated air is delivered to nozzle for combustion-supporting via air pipe line.
Selectively, air preheater comprises middle temperature smoke inlet, low-temperature flue gas outlet, cool air inlet, preheated air outlet.From the high-temperature flue gas (350 ~ 450 degrees Celsius of body of heater exhanst gas outlet, such as about 400 degrees Celsius) to enter in steam generator with after warm water heat exchange from high-temperature flue gas entry through flue and become middle temperature flue gas (150 ~ 250 degrees Celsius, such as about 200 degrees Celsius), middle temperature flue gas through flue therefrom warm smoke inlet enter in air preheater with after cold air heat exchange and become low-temperature flue gas (60 ~ 90 degrees Celsius, such as about 80 degrees Celsius), be expelled to chimney.
Selectively, air preheater comprises Heat Room and is arranged at the heat exchange coil in Heat Room, cool air inlet is arranged at a port of heat exchange coil, preheated air outlet is arranged at another port of heat exchange coil, middle temperature smoke inlet is formed at Heat Room on the sidewall of preheated air exit end, and low-temperature flue gas outlet is formed at Heat Room on the sidewall of cool air inlet one end.
Selectively, air pipe line tangentially direction is connected to the sidewall of nozzle, to make combustion air and fuel rotary-jet in burner hearth, thus improves efficiency of combustion.
Selectively, steam generator can be arranged to flue gas outside warm water heat exchange with flowing through bellows at bellows, and namely the stream of flue gas and water is exchanged.
Selectively, air preheater can adopt the structure identical with steam generator.
Selectively, this afterheat generating system can be applied to the fume afterheat generating of other boiler, such as ceramic kiln.
The beneficial effects of the utility model are: (1), employing air preheater, to air preheat, substantially increase the fuel economy of heat conducting oil boiler; (2), adopt steam generator, air preheater to carry out secondary smoke heat exchange, substantially increase the flue gas waste heat recovery rate of heat conducting oil boiler; (3), adopt steam turbine, screw rod generator to carry out secondary generating, further increase heat recovery rate.
Accompanying drawing explanation
Fig. 1 shows the organigram of the utility model heat conducting oil boiler afterheat generating system.
Detailed description of the invention
Please refer to Fig. 1, according to a kind of embodiment of the present utility model, heat conducting oil boiler afterheat generating system comprises: body of heater 100, nozzle 120, flue 300, chimney 320, air pipe line 400, air preheater 420, Water, steam circulation power generation circuit 600, steam generator 620, steam turbine 630, screw rod generator 650 and water pump 660.
The burner hearth (not shown) for heating conduction oil is provided with in body of heater 100.Nozzle 120 is arranged on the side end wall of body of heater 100, for fuel and combustion air are ejected into the heat release of burner hearth combustion.
Flue 300 is connected on the opposite side end wall of body of heater 100, for flue gas is expelled to chimney 320 from body of heater exhanst gas outlet 150.
Air pipe line 400 is connected to nozzle 120, is injected into the heat release of burner hearth combustion for combustion air being delivered to nozzle 120 together with fuel.In this non-limiting embodiment, air pipe line 400 tangentially direction is connected to the sidewall of nozzle 120, to make combustion air and fuel rotary-jet in burner hearth, thus improves efficiency of combustion.
The steam turbine 630 that Water, steam circulation power generation circuit 600 comprises the steam generator 620 be arranged in flue 300, be connected with steam generator 620 by pipeline, the water pump 660 being arranged on the screw rod generator 650 between steam turbine 630 and steam generator 620 and being arranged between screw rod generator 650 and steam generator 620.
Steam generator 620 comprises high-temperature flue gas entry 621, middle temperature exhanst gas outlet 622, warm water entrance 625, high-temperature water vapor outlet 626.The about 350 celsius temperature water vapours produced in steam generator 620 become about 120 degrees Celsius of water at low temperature steam after high-temperature water vapor outlet 626 enters steam turbine 630 generating acting via pipeline.Water at low temperature steam becomes about 60 degrees Celsius of warm water after entering the acting of screw rod generator 650 secondary electricity generation via pipeline.Warm water enters in steam generator 620 via pipeline from warm water entrance 625 under the effect of water pump 660 and high-temperature flue gas heat exchange becomes high-temperature water vapor, starts next circulation.
In this non-limiting embodiment, steam generator 620 comprises Heat Room (not shown), be formed at the high-temperature flue gas room (not shown) of Heat Room side, be formed at the middle temperature smoke chamber (not shown) of Heat Room opposite side, the high-temperature flue gas entry 621 of steam generator is formed on the end wall of high-temperature flue gas room, the middle temperature exhanst gas outlet 622 of steam generator is formed on the end wall of middle temperature smoke chamber, the warm water entrance 625 of steam generator is formed at Heat Room on the sidewall of middle temperature smoke chamber one end, the high-temperature water vapor outlet 626 of steam generator is formed at Heat Room on the sidewall of one end, high-temperature flue gas room.
Particularly, Heat Room comprises three bellowss be arranged in parallel, and flue gas flows into low-temperature flue gas room from high-temperature flue gas room lease making bellows, and warm water is at the outside of bellows and the flue gas heat exchange flowing through bellows.Heat Room also comprises two, and for changing steam flow direction to extend the baffle plate of heat-exchange time, baffle plate extends from a sidewall of Heat Room to another sidewall, and and distance between another sidewall be more than or equal to 2 times of calibers of bellows.
Air pipe line 400 comprises the air preheater 420 be arranged in flue 300.Air preheater 420 comprises middle temperature smoke inlet 421, low-temperature flue gas outlet 422, cool air inlet 425, preheated air outlet 426.About 20 degrees Celsius of cold airs enter in air preheater with after middle temperature flue gas heat exchange from cool air inlet 425 and become about 150 degrees Celsius of preheated airs.Preheated air is delivered to nozzle 120 for combustion-supporting via air pipe line.
In this non-limiting embodiment, air preheater 420 comprises Heat Room (not shown) and is arranged at the heat exchange coil (not shown) in Heat Room, cool air inlet 425 is arranged at a port of heat exchange coil, preheated air outlet 426 is arranged at another port of heat exchange coil, middle temperature smoke inlet 421 is formed at Heat Room and exports near preheated air on the sidewall of 426 one end, and low-temperature flue gas outlet 422 is formed at Heat Room on the sidewall of cool air inlet 425 one end.
During work, to enter in steam generator 620 Yu after warm water heat exchange from high-temperature flue gas entry 621 through flue 300 from about 400 celsius temperature flue gases of body of heater exhanst gas outlet 150 and become warm flue gas about 200 degrees Celsius, warm water is heated to form high-temperature water vapor for generating simultaneously.From warm flue gas in middle temperature exhanst gas outlet 622 through flue therefrom warm smoke inlet 421 enter in air preheater 420 with after cold air heat exchange and become about 80 degrees Celsius of low-temperature flue gas and be expelled to chimney 320, simultaneously cold air be preheated after for combustion-supporting.
Although described preferred embodiment of the present utility model in detail at this, but should be understood that the utility model is not limited to the concrete structure described in detail and illustrate here, other modification and variant can be realized when not departing from essence of the present utility model and scope by those skilled in the art.Such as, steam generator can be arranged to flue gas outside warm water heat exchange with flowing through bellows at bellows, and namely the stream of flue gas and water is exchanged.In addition, the temperature of system or pressure and other parameters suitably can be chosen in scope disclosed in the utility model according to concrete application conditions.
Claims (10)
1. a heat conducting oil boiler afterheat generating system, comprising: the body of heater that inside is provided with the burner hearth for heating conduction oil, be arranged on described body of heater side end wall on for fuel and combustion air are ejected into the heat release of described burner hearth combustion nozzle, be connected to described body of heater opposite side end wall on be used for flue gas being expelled to the flue of chimney from body of heater exhanst gas outlet and being connected to the air pipe line that described nozzle is used for combustion air to be delivered to described nozzle; It is characterized in that: described heat conducting oil boiler afterheat generating system comprises Water, steam circulation power generation circuit further, described Water, steam circulation power generation circuit comprises the steam generator be arranged in described flue and the steam turbine be connected with described steam generator by pipeline.
2. heat conducting oil boiler afterheat generating system as claimed in claim 1, it is characterized in that, described Water, steam circulation power generation circuit comprises the screw rod generator be arranged between described steam turbine and described steam generator further.
3. heat conducting oil boiler afterheat generating system as claimed in claim 2, it is characterized in that, described steam generator comprises high-temperature flue gas entry, middle temperature exhanst gas outlet, warm water entrance, high-temperature water vapor outlet, described high-temperature water vapor outlet is connected to described steam turbine via pipeline, described steam turbine is connected to described screw rod generator via pipeline, and described screw rod generator is connected to the described warm water entrance from described steam generator via pipeline.
4. heat conducting oil boiler afterheat generating system as claimed in claim 3, it is characterized in that, described steam generator comprises Heat Room, be formed at the high-temperature flue gas room of described Heat Room side, be formed at the middle temperature smoke chamber of described Heat Room opposite side, the high-temperature flue gas entry of described steam generator is formed on the end wall of described high-temperature flue gas room, the middle temperature exhanst gas outlet of described steam generator is formed on the end wall of described middle temperature smoke chamber, the warm water entrance of described steam generator is formed at described Heat Room on the sidewall of described middle temperature smoke chamber one end, the high-temperature water vapor outlet of described steam generator is formed at described Heat Room on the sidewall of one end, described high-temperature flue gas room.
5. heat conducting oil boiler afterheat generating system as claimed in claim 4, it is characterized in that, described Heat Room comprises several bellowss be arranged in parallel.
6. heat conducting oil boiler afterheat generating system as claimed in claim 5, it is characterized in that, described Heat Room also comprises at least two for changing steam flow direction to extend the baffle plate of heat-exchange time, described baffle plate extends from a sidewall of described Heat Room to another sidewall, and and distance between another sidewall be more than or equal to 2 ~ 3 times of calibers of described bellows.
7. the heat conducting oil boiler afterheat generating system according to any one of claim 3 ~ 6, is characterized in that, described Water, steam circulation power generation circuit comprises the water pump be arranged between described screw rod generator and described steam generator further.
8. the heat conducting oil boiler afterheat generating system according to any one of claim 4 ~ 6, it is characterized in that, described air pipe line comprises the air preheater be arranged in described flue, and described air preheater comprises middle temperature smoke inlet, low-temperature flue gas outlet, cool air inlet, preheated air outlet.
9. heat conducting oil boiler afterheat generating system as claimed in claim 8, it is characterized in that, described body of heater exhanst gas outlet is connected to the described high-temperature flue gas entry of described steam generator through described flue, and the described middle temperature exhanst gas outlet of described steam generator is connected to the described middle temperature smoke inlet of described air preheater through described flue.
10. heat conducting oil boiler afterheat generating system as claimed in claim 9, it is characterized in that, described air preheater comprises Heat Room and is arranged at the heat exchange coil in described Heat Room, described cool air inlet is arranged at a port of described heat exchange coil, described preheated air outlet is arranged at another port of described heat exchange coil, described middle temperature smoke inlet is formed at described Heat Room on the sidewall of described preheated air exit end, and described low-temperature flue gas outlet is formed at described Heat Room on the sidewall of described cool air inlet one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738496.8U CN204421038U (en) | 2014-11-28 | 2014-11-28 | Heat conducting oil boiler afterheat generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738496.8U CN204421038U (en) | 2014-11-28 | 2014-11-28 | Heat conducting oil boiler afterheat generating system |
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| CN204421038U true CN204421038U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420738496.8U Expired - Fee Related CN204421038U (en) | 2014-11-28 | 2014-11-28 | Heat conducting oil boiler afterheat generating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501198A (en) * | 2014-11-28 | 2015-04-08 | 陈翔 | Heat-conducting oil boiler waste heat power generation system |
| CN107606789A (en) * | 2017-09-22 | 2018-01-19 | 绍兴明业化纤有限公司 | A kind of boiler heat recycle device using conduction oil |
-
2014
- 2014-11-28 CN CN201420738496.8U patent/CN204421038U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501198A (en) * | 2014-11-28 | 2015-04-08 | 陈翔 | Heat-conducting oil boiler waste heat power generation system |
| CN104501198B (en) * | 2014-11-28 | 2018-10-09 | 陈翔 | Heat conducting oil boiler afterheat generating system |
| CN107606789A (en) * | 2017-09-22 | 2018-01-19 | 绍兴明业化纤有限公司 | A kind of boiler heat recycle device using conduction oil |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150624 Termination date: 20181128 |