CN111022212A - Waste incineration waste heat utilization Stirling power generation system - Google Patents
Waste incineration waste heat utilization Stirling power generation system Download PDFInfo
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- CN111022212A CN111022212A CN201910397776.4A CN201910397776A CN111022212A CN 111022212 A CN111022212 A CN 111022212A CN 201910397776 A CN201910397776 A CN 201910397776A CN 111022212 A CN111022212 A CN 111022212A
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- temperature
- flue gas
- stirling
- power generation
- gas pipeline
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/053—Component parts or details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/053—Component parts or details
- F02G1/055—Heaters or coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The application discloses msw incineration waste heat utilization stirling power generation system, including the charging equipment who connects gradually the setting, burn burning furnace, flue gas pipeline, tail gas processing system, the last high temperature generating set and/or the low temperature generating set of installing in proper order of flue gas pipeline, high temperature generating set includes a plurality of high temperature stirling generator, low temperature generating set includes a plurality of low temperature stirling generator, and is these a plurality of high temperature stirling generator follows flue gas pipeline establishes ties in proper order sets up or parallelly connected setting, and is these a plurality of low temperature stirling generator follows flue gas pipeline establishes ties in proper order sets up or parallelly connected setting, high temperature stirling generator and low temperature stirling generator respectively through its heating tube in working medium gas with electricity generation behind the high temperature flue gas heat transfer in the flue gas pipeline. The invention has the advantage of freely combining the installed capacity according to different garbage treatment capacities.
Description
Technical Field
The application relates to a Stirling power generation system, in particular to a waste incineration waste heat utilization Stirling power generation system.
Background
With the continuous development of modern economy, the social requirements on ecological environment protection are higher and higher, and besides the continuous increase of urban garbage treatment, the centralized treatment of the garbage in cities and towns is also on schedule. At present, the research on waste incineration waste heat utilization mainly aims at waste incineration plants with the treatment capacity of more than 300 tons/day in large and medium cities, and the main technical scheme is to adopt a steam turbine to generate electricity. The centralized treatment of urban garbage adopts small and medium-sized garbage incineration equipment, the treatment capacity is generally less than 150 tons/day, and the waste heat output is not suitable for the power generation scheme of a steam turbine. Therefore, it is necessary to develop a power generation system suitable for various garbage treatment amounts and various waste heat temperatures.
Disclosure of Invention
The invention aims to realize a garbage incineration device for different garbage treatment capacities and waste heat temperatures, and realize combined power generation by using high-temperature and low-temperature Stirling generator sets.
In order to achieve the above object, the present invention provides the following technical solutions.
The embodiment of the application discloses msw incineration waste heat utilization stirling power generation system, including the charging equipment who connects gradually the setting, burn burning furnace, flue gas pipeline, tail gas processing system, the last high temperature generating set and/or the low temperature generating set of installing in proper order of flue gas pipeline, high temperature generating set includes a plurality of high temperature stirling generator, low temperature generating set includes a plurality of low temperature stirling generator, and is a plurality of high temperature stirling generator follows flue gas pipeline establishes ties in proper order sets up or parallelly connected setting, and is a plurality of low temperature stirling generator follows flue gas pipeline establishes ties in proper order sets up or parallelly connected setting, high temperature stirling generator and low temperature stirling generator respectively through its heating tube in working medium gas with electricity generation behind the high temperature flue gas heat transfer in the flue gas pipeline.
Preferably, in the waste incineration waste heat utilization stirling power generation system, a first fan is arranged at the bottom of the incinerator.
Preferably, in the waste incineration waste heat utilization stirling power generation system, the flue gas pipeline is provided with a first temperature transmitter and a second temperature transmitter at two ends of the high-temperature power generation unit respectively, and the flue gas pipeline is provided with a third temperature transmitter and a fourth temperature transmitter at two ends of the low-temperature power generation unit respectively.
More preferably, in the waste incineration waste heat utilization stirling power generation system, a second fan is arranged between the second temperature transmitter and the third temperature transmitter.
Preferably, in the waste incineration waste heat utilization stirling power generation system, a third fan is arranged at the tail of the flue gas pipeline behind the tail gas treatment system.
Preferably, the waste incineration waste heat utilization Stirling power generation system further comprises a high-temperature heat exchanger, and high-temperature flue gas in the flue gas pipeline exchanges heat with working medium gas in the plurality of high-temperature Stirling power generators arranged in parallel through the high-temperature heat exchanger; the high-temperature flue gas in the flue gas pipeline exchanges heat with a plurality of working medium gases in the low-temperature Stirling generator, which are arranged in parallel, through the low-temperature heat exchanger.
Preferably, the waste incineration waste heat utilization stirling power generation system further comprises a cooling water system and a gas supply and supplement system, wherein the cooling water system cools the high-temperature stirling generator and the low-temperature stirling generator, and the gas supply and supplement system provides working medium gas required by the high-temperature stirling generator and the low-temperature stirling generator.
Preferably, in the waste incineration waste heat utilization Stirling power generation system, the temperature of the high-temperature flue gas in the flue gas pipeline at the high-temperature power generation unit is more than or equal to 600 ℃, and the temperature of the high-temperature flue gas in the flue gas pipeline at the low-temperature power generation unit is 300-600 ℃.
Compared with the prior art, the invention has the advantages that the Stirling engine adopts the high-temperature Stirling generator set and/or the low-temperature Stirling generator set according to the temperature of the waste heat source required by normal operation, absorbs waste incineration waste heat through the Stirling engine heater, converts the waste incineration waste heat into expansion power of working media in the engine, pushes the piston and the connecting rod to reciprocate, thereby driving the crankshaft and the generator connected with the crankshaft to rotate for power generation and realizing grid-connected output; the Stirling power generation system has the advantages of simple structure and low production and maintenance cost; the high-temperature and low-temperature waste heat is utilized to generate electricity, so that the heat and electricity conversion efficiency is improved; and the installed capacity is freely combined according to different garbage treatment amounts.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a waste incineration waste heat utilization stirling power generation system in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a waste incineration waste heat utilization stirling power generation system in embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a waste incineration waste heat utilization stirling power generation system in embodiment 3 of the invention;
fig. 4 is a schematic structural diagram of a waste incineration waste heat utilization stirling power generation system in embodiment 4 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Waste incineration waste heat utilization stirling power generation system, including the charging equipment 100 who connects gradually the setting, burn burning furnace 200, flue gas pipeline 300, tail gas processing system 400, flue gas pipeline 300 is last to install in proper order and to be provided with high temperature generating set 310 and low temperature generating set 320, high temperature generating set 310 includes a plurality of high temperature stirling generator 311, low temperature generating set 320 includes a plurality of low temperature stirling generator 321, high temperature stirling generator 311 and low temperature stirling generator 321 generate electricity through the interior working medium gas of its heating tube and the interior high temperature flue gas heat transfer of flue gas pipeline 300 respectively.
Referring to fig. 1, in embodiment 1, the plurality of high-temperature stirling generators 311 are sequentially arranged in parallel along the flue gas duct 300, and the plurality of low-temperature stirling generators 321 are sequentially arranged in parallel along the flue gas duct 300;
referring to fig. 2, in embodiment 2, the plurality of high-temperature stirling generators 311 are arranged in series in sequence along the flue gas duct 300, and the plurality of low-temperature stirling generators 321 are arranged in series in sequence along the flue gas duct 300;
referring to fig. 3, in embodiment 3, the plurality of high-temperature stirling generators 311 are sequentially arranged in parallel along the flue gas duct 300, and the plurality of low-temperature stirling generators 321 are sequentially arranged in series along the flue gas duct 300;
referring to fig. 4, in embodiment 4, the plurality of high-temperature stirling generators 311 are arranged in series in sequence along the flue gas duct 300, and the plurality of low-temperature stirling generators 321 are arranged in parallel in sequence along the flue gas duct 300.
Above-mentioned 4 kinds of embodiments, produce the high temperature flue gas after msw incineration, the high temperature flue gas is in proper order to high temperature generating set and low temperature generating set heat supply electricity generation, through high temperature flue gas and the gaseous heat transfer of stirling generator working medium, thereby it is rotatory to promote the piston to drive the bent axle, and then drive generator work, finally realize the whole work electricity generation of high temperature generating set and low temperature generating set, all adopt the mode that high temperature generating set and low temperature generating set combined together to generate electricity in the above-mentioned embodiment, but it should demonstrate, adopt high temperature generating set alone or adopt low temperature generating set alone equally can implement the electricity generation, all should belong to.
Further, the bottom of the incinerator 200 is provided with a first fan 210.
In the technical scheme, combustion-supporting air is provided for waste incineration.
Further, the flue gas duct 300 is respectively provided with a first temperature transmitter 312 and a second temperature transmitter 313 at two ends of the high temperature generator set 310, and the flue gas duct 300 is respectively provided with a third temperature transmitter 322 and a fourth temperature transmitter 323 at two ends of the low temperature generator set 320.
In the technical scheme, the temperature of high-temperature flue gas entering and exiting from the high-temperature generator set and the low-temperature generator set is respectively monitored.
Further, a second fan 500 is disposed between the second temperature transmitter 313 and the third temperature transmitter 322.
In the technical scheme, the temperature of high-temperature flue gas entering the low-temperature generator set is regulated.
Further, a third fan 600 is disposed at the tail of the flue gas pipeline 300 behind the tail gas treatment system 400.
In the technical scheme, power is provided for tail gas exhaust, and clean emission of flue gas is finally realized.
Further, the high-temperature gas heat exchanger 314 is also included, and the high-temperature gas in the gas pipeline 300 exchanges heat with the working medium gas in the high-temperature Stirling generators 311 arranged in parallel through the high-temperature gas heat exchanger 314; the high-temperature gas in the gas pipeline 300 exchanges heat with the working medium gas in the low-temperature Stirling generator 321 which is arranged in parallel through the low-temperature heat exchanger 324.
In the technical scheme, the heat exchangers exchange heat in parallel connection, and high-efficiency power generation is realized.
Further, the system comprises a cooling water system 700 and a gas supply and supplement system 800, wherein the cooling water system 700 cools the high-temperature Stirling generator 311 and the low-temperature Stirling generator 321, and the gas supply and supplement system 800 provides working medium gas required by the high-temperature Stirling generator 311 and the low-temperature Stirling generator 321.
In the technical scheme, cooling water and working medium gas required by operation are provided for the high-temperature Stirling generator and the low-temperature Stirling generator.
Further, the temperature of the high-temperature flue gas in the flue gas pipeline 300 at the high-temperature generator set 310 is more than or equal to 600 ℃, and the temperature of the high-temperature flue gas in the flue gas pipeline 300 at the low-temperature generator set 320 is 300-600 ℃.
According to the technical scheme, the installed capacities are freely combined according to different garbage treatment capacities, the thermoelectric conversion rate is improved by utilizing high-temperature and low-temperature power generation, the structure is simple, the cost is low, and the installation and maintenance cost is low.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (8)
1. The utility model provides a waste incineration waste heat utilization stirling power generation system, its characterized in that, including charging apparatus (100), burning furnace (200), flue gas pipeline (300), tail gas processing system (400) that connect gradually the setting, install high temperature generating set (310) and/or low temperature generating set (320) on flue gas pipeline (300) in proper order, high temperature generating set (310) includes a plurality of high temperature stirling generator (311), low temperature generating set (320) include a plurality of low temperature stirling generator (321), and is this a plurality of high temperature stirling generator (311) are followed flue gas pipeline (300) are established ties in proper order and are set up or parallelly connected and set up, and is this a plurality of low temperature stirling generator (321) are followed flue gas pipeline (300) are established ties in proper order and are set up or parallelly connected and set up, high temperature stirling generator (311) and low temperature stirling generator (321) through its interior working medium gas of heating tube respectively with flue gas pipeline And generating power after heat exchange of the internal high-temperature flue gas.
2. A stirling power generation system utilizing waste heat from waste incineration according to claim 1, wherein a first fan (210) is provided at the bottom of the incinerator (200).
3. A stirling power generation system utilizing waste heat generated by waste incineration according to claim 1, wherein a first temperature transmitter (312) and a second temperature transmitter (313) are respectively installed at two ends of the high temperature power generation unit (310) of the flue gas pipeline (300), and a third temperature transmitter (322) and a fourth temperature transmitter (323) are respectively installed at two ends of the low temperature power generation unit (320) of the flue gas pipeline (300).
4. A waste incineration waste heat utilization stirling power generation system according to claim 3, wherein a second fan (500) is arranged between the second temperature transmitter (313) and the third temperature transmitter (322).
5. A stirling power generation system utilizing waste heat from waste incineration according to claim 1, wherein a third fan (600) is arranged at the tail of the flue gas pipeline (300) behind the tail gas treatment system (400).
6. The waste incineration waste heat utilization Stirling power generation system according to claim 1, further comprising a high-temperature heat exchanger (314), wherein high-temperature flue gas in the flue gas pipeline (300) exchanges heat with working medium gas in a plurality of high-temperature Stirling generators (311) arranged in parallel through the high-temperature heat exchanger (314); the high-temperature gas in the gas pipeline (300) exchanges heat with the working medium gas in the low-temperature Stirling generator (321) which is arranged in parallel through the low-temperature heat exchanger (324).
7. A waste incineration waste heat utilization stirling power generation system according to claim 1, further comprising a cooling water system (700) and a gas supply and supplement system (800), wherein the cooling water system (700) cools the high-temperature stirling generator (311) and the low-temperature stirling generator (321), and the gas supply and supplement system (800) provides working medium gas required by the high-temperature stirling generator (311) and the low-temperature stirling generator (321).
8. The waste incineration waste heat utilization Stirling power generation system according to claim 1, wherein the temperature of the high-temperature flue gas in the flue gas pipeline (300) at the high-temperature power generation unit (310) is more than or equal to 600 ℃, and the temperature of the high-temperature flue gas in the flue gas pipeline (300) at the low-temperature power generation unit (320) is 300-600 ℃.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175688X | 2019-03-08 | ||
| CN201910175688 | 2019-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111022212A true CN111022212A (en) | 2020-04-17 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920684071.6U Expired - Fee Related CN210068339U (en) | 2019-03-08 | 2019-05-14 | Waste incineration waste heat utilization Stirling power generation system |
| CN201910397776.4A Pending CN111022212A (en) | 2019-03-08 | 2019-05-14 | Waste incineration waste heat utilization Stirling power generation system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920684071.6U Expired - Fee Related CN210068339U (en) | 2019-03-08 | 2019-05-14 | Waste incineration waste heat utilization Stirling power generation system |
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| Country | Link |
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| CN (2) | CN210068339U (en) |
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2019
- 2019-05-14 CN CN201920684071.6U patent/CN210068339U/en not_active Expired - Fee Related
- 2019-05-14 CN CN201910397776.4A patent/CN111022212A/en active Pending
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| Publication number | Publication date |
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| CN210068339U (en) | 2020-02-14 |
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