WO2012159566A1 - 可昼夜连续运转的碟式太阳能斯特林机发电装置 - Google Patents

可昼夜连续运转的碟式太阳能斯特林机发电装置 Download PDF

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Publication number
WO2012159566A1
WO2012159566A1 PCT/CN2012/075932 CN2012075932W WO2012159566A1 WO 2012159566 A1 WO2012159566 A1 WO 2012159566A1 CN 2012075932 W CN2012075932 W CN 2012075932W WO 2012159566 A1 WO2012159566 A1 WO 2012159566A1
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WO
WIPO (PCT)
Prior art keywords
burner
supply system
valve
fuel supply
type solar
Prior art date
Application number
PCT/CN2012/075932
Other languages
English (en)
French (fr)
Inventor
陈义龙
杨清萍
张岩丰
Original Assignee
武汉凯迪工程技术研究总院有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN2011101359855A external-priority patent/CN102192114B/zh
Priority claimed from CN2011201688260U external-priority patent/CN202056011U/zh
Priority to CA 2836770 priority Critical patent/CA2836770A1/en
Priority to EP12789424.4A priority patent/EP2716910B1/en
Priority to MX2013013392A priority patent/MX341710B/es
Priority to AP2013007298A priority patent/AP2013007298A0/xx
Priority to KR1020137031137A priority patent/KR101518478B1/ko
Priority to BR112013029990A priority patent/BR112013029990A2/pt
Application filed by 武汉凯迪工程技术研究总院有限公司 filed Critical 武汉凯迪工程技术研究总院有限公司
Priority to SG2013086582A priority patent/SG195113A1/en
Priority to RU2013157050/06A priority patent/RU2013157050A/ru
Priority to JP2014511720A priority patent/JP5855744B2/ja
Priority to AU2012261344A priority patent/AU2012261344B2/en
Publication of WO2012159566A1 publication Critical patent/WO2012159566A1/zh
Priority to US14/062,854 priority patent/US9157420B2/en
Priority to ZA2013/08904A priority patent/ZA201308904B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00Devices for producing mechanical power from solar energy
    • F03G6/06Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/068Devices for producing mechanical power from solar energy with solar energy concentrating means having other power cycles, e.g. Stirling or transcritical, supercritical cycles; combined with other power sources, e.g. wind, gas or nuclear
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00Hot gas positive-displacement engine plants
    • F02G1/04Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043Hot 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00Devices for producing mechanical power from solar energy
    • F03G6/02Devices for producing mechanical power from solar energy using a single state working fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2254/00Heat inputs
    • F02G2254/10Heat inputs by burners
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2254/00Heat inputs
    • F02G2254/30Heat inputs using solar radiation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

Definitions

  • Dish solar Stirling machine power generation device that can run continuously in the day and night
  • the invention relates to a dish-type solar Stirling machine power generation device which can be continuously operated day and night, belonging to a complementary power generation method of a traditional fossil energy source and a solar Stirling unit, and an energy technology field of biomass clean energy and solar energy complementary power generation. . Background technique
  • solar thermal power generation can be divided into: solar tower type heat generation power generation, solar trough heat generation generation, and solar dish Stirling unit power generation.
  • the solar disc Stirling unit can automatically track the sun in two dimensions, with the highest photoelectric conversion efficiency and small startup loss. It is the most efficient solar power generation system, with a power generation efficiency of more than 30%, almost no water, and an output efficiency of 26%. (There is power consumption of its own tracking mechanism).
  • Biomass is an organic substance produced by plants through photosynthesis. It is widely distributed, widely available, and clean compared with fossil energy. It has the characteristics of zero emission of C0 2 and is the only one that can be used for both solid-state direct combustion and liquefaction. The clean energy that can be used for gasification is also an important renewable energy source.
  • the object of the present invention is to overcome the technical defects of the above known solar disk Stirling machine power generation system,
  • the solar-disc Stirling unit is unstable in power generation and cannot be continuously powered for 24 hours. It provides a dish-type solar Stirling machine power generation unit that can run continuously in the day and night.
  • a solar-disc Stirling machine power generation system using a gaseous fuel or a liquid fuel as a second heat source, when the night or cloudy sun is too weak to be sufficient for the generator to reach the rated number of revolutions and output qualified electrical energy, the combustible gas (or combustible liquid) supplemented with thermal power generation to solve the problem that solar disc Stirling units can not generate electricity at night and unstable power generation.
  • the disk-type solar Stirling machine power generation device of the present invention can be equipped with a solar-disc Stirling machine generator set, and a burner is arranged on each of the disk-type solar Stirling units. Adjusting the burner port of the burner to the burner of the dish-type solar Stirling unit or the burner position adjusting mechanism of the heater, the position adjusting mechanism is mounted on the bracket of the disc solar Stirling machine, and the position adjusting mechanism is installed and burned
  • the fuel supply system of the burner is connected to the burner through a main on-off valve and a bypass switch valve, a regulating valve, and a fuel flexible conduit.
  • the position adjustment mechanism is a telescopic mechanism, and the actuator of the telescopic mechanism is a linear actuator, and the burner is mounted on the telescopic output end of the telescopic mechanism.
  • the position adjustment mechanism is a bending link mechanism, and a bending stroke actuator is connected between the connecting rods of the bending linkage mechanism (including a pneumatic angular stroke actuator, or a hydraulic angular stroke actuator, or an electric angular stroke actuator) ) Connected, the burner is mounted at the output of the bending linkage.
  • the bending link mechanism is a three-bar linkage mechanism, including a first rod, a second rod, and a third rod, and the three rods are connected by mutually rotatable angular stroke actuators, first The rod is connected to the support of the Stirling machine via a quarter-turn actuator.
  • the fuel supply system is a combustible gas supply system, including a gas storage tank connected by a pipeline, a pump, a main switch valve, a branch switch valve, a flow regulating valve, and a flexible draft tube.
  • the fuel supply system is a biomass gasification supply system, including a biomass gasification device connected by a pipeline, a purification device, a gas storage tank, a pump, a main on-off valve, a branch switch valve, a flow control valve , flexible draft tube.
  • a biomass gasification device connected by a pipeline, a purification device, a gas storage tank, a pump, a main on-off valve, a branch switch valve, a flow control valve , flexible draft tube.
  • the fuel supply system is a liquid fuel supply system, including a liquid storage tank connected by a pipeline, a pump, a main on-off valve, a bypass switch valve, a flow regulating valve, and a flexible draft tube.
  • the fuel supply system is a biomass liquefaction supply system, including a biomass liquefaction device connected by a pipeline, a purification device, a gas storage tank, a pump, a main on-off valve, a branch switch valve, a flow regulating valve, and a flexible Diversion tube.
  • the invention can start the burner position adjusting mechanism at night (or when the sun is insufficient in rainy weather), move the burner to the heating body of the Stirling machine, turn on the fuel and ignite the heating body, and the Stirling machine continues to generate electricity. .
  • the gas fuel required for the above-mentioned combustion device may be natural gas (or biogas, or coal gas, or coking gas, or iron-making blast furnace gas, or oil well gas), when natural gas is in the absence of sunlight (or when there is insufficient sunlight)
  • the supplemental combustion allows the solar Stirling generator set to operate continuously and continuously throughout the day and night.
  • the liquid fuel required for the above-mentioned combustion device may be diesel (or kerosene, or gasoline, or heavy oil, or methanol, or ethanol), and the supplemental combustion of diesel in the absence of sunlight (or when the sun is insufficient) may enable the solar
  • the forest generator set runs continuously and continuously throughout the day and night.
  • a solar-disc Stirling machine power generation system using a gaseous fuel or a liquid fuel as a second heat source when the sunlight is too weak at night or on a cloudy day, it is insufficient to make the generator reach the rated number of revolutions and output qualified electric energy It is supplemented by a movable burner (fuel is combustible or combustible) to provide thermal energy to solve the problem that solar disc Stirling units cannot generate electricity at night and unstable power generation.
  • the present invention combines a biomass gasification (or liquefaction) energy source with a solar Stirling machine, and is a clean energy power generation device that can operate continuously and stably at night and night.
  • FIG. 1 is a schematic diagram showing the basic principle of the present invention:
  • 1 is the Stirling unit
  • la is the bracket of the Sterling machine
  • lb is the heat sink of the Stirling machine
  • lc is the butterfly mirror
  • Id is the bracket of the disc mirror, which is equipped with a sunlight tracking device
  • 2c is the direction of motion of the burner
  • 2d is the end position of the burner
  • 3 is the burner position adjuster
  • 3 can be a pneumatic (or hydraulic, or electric) telescopic mechanism.
  • FIG. 4 is biomass gasification equipment (or biomass liquefaction equipment), 4a is a gas storage (liquid) tank, 4b is a pump, 4c is a main on-off valve, 4d is a fuel purification device, 5 is a bypass switch valve, 6 is adjustment The valve, 7 is a flexible conduit, 7 which is in contact with the fuel inlet of the burner 2.
  • Figure 2 is a schematic diagram showing the basic principle structure of the burner position adjusting mechanism
  • Fig. 3 is a partial enlarged view of the bending link mechanism:
  • Figure 2 Figure 3: 1 is the Stirling unit, la is the bracket of the machine, lb is Stirling
  • the heat sink of the machine lc is a butterfly mirror
  • Id is a bracket of the dish mirror, which is equipped with a sunlight tracking device
  • 2 is a burner
  • 2d is the optimal heating position where the burner moves
  • 3d is the first company Rod
  • 3e is the second link
  • 3f is the third link
  • 3g is the quarter-turn actuator
  • 3gl connects the starting end of the first link 3d with la
  • the terminal of 3d is connected by 3g2 to the beginning of 3e
  • 3e The terminal is connected by 3g3 to the beginning of 3f
  • the terminal of 3f is fixed on the burner 2
  • 5 is the bypass switch valve
  • 6 is the regulating valve
  • 7 is the flexible conduit
  • 7 is connected with the fuel inlet of the burner 2
  • the fuel supply master valve is connected by a draft tube.
  • the fuel supply system is the same as the fuel supply system shown in Figure 1.
  • FIG. 4 is a schematic diagram of the system of the solar Stirling power plant of the present invention:
  • Figure 4 shows the number of Stirling generator sets sharing a set of combustible (or combustible liquid) fuel supply systems for the four Stirling generator sets.
  • the total number of Stirling generator sets can be determined according to this figure. Shown with decreasing or increasing.
  • 1 is the Stirling unit
  • la is the bracket of the Stirling machine
  • lb is the heat sink of the Stirling machine
  • lc is the butterfly mirror
  • Id is the bracket of the dish mirror, which is equipped with a sunlight tracking device.
  • 2 is the burner
  • 2c is the direction of movement of the burner
  • 2d is the end position of the burner
  • 3 is the burner position adjuster
  • the burner position adjuster 3 can be a pneumatic (or hydraulic, or electric) telescopic mechanism .
  • 4 is biomass gasification equipment (or biomass liquefaction equipment), 4a is the storage tank, 4b is the pump, 4c is the main switching valve, 4d is the fuel purification device, 5 is the branch switch valve, 6 is the regulating valve, 7 is A flexible conduit, the flexible conduit 7 is in contact with the fuel inlet of the burner 2.
  • the dish-type solar Stirling machine power generation device of the present invention can be equipped with a solar-disc Stirling machine generator set, and a burner, a burner position adjusting mechanism, and a fuel are arranged on each of the disk-type solar Stirling units.
  • the supply system, the position adjustment mechanism is installed on the bracket of the disc type solar Stirling machine, the position adjustment mechanism is provided with a burner, and the position adjustment mechanism can adjust the burner of the burner to be aligned with the heat receiver of the disc type solar Stirling unit.
  • the burner flame is heated to the heat receiver, and the fuel supply system is coupled to the burner through a flexible tube.
  • a disk-type solar Stirling machine power generation device of the present invention which comprises a solar-disc Stirling machine generator set 1, and a burner 2 is arranged on each of the disk-type solar Stirling units 1.
  • a burner position adjusting mechanism 3 the position adjusting mechanism 3 is mounted on the bracket la of the disc type solar Stirling machine, the position adjusting mechanism 3 is provided with a burner 2, and the position adjusting mechanism 3 can adjust the position of the burner 2 so as to The heat receiver lb continues to be heated at night (or when there is no sunlight on a rainy day).
  • the fuel supply system 4 of the burner supplies fuel to the burner through the main switching valve 4c and the bypass switch valve 5, the regulating valve 6, and the fuel flexible conduit 7.
  • the actuators of the position adjustment mechanism 3 are straight-stroke actuators, including straight-acting pneumatic actuators, straight-stroke hydraulic actuators, and linear actuators.
  • the actuator of the linear actuator 3 is connected to the burner, and the drive housing of the linear actuator is fixed to the bracket la (if a pneumatic actuator is used, the cylinder housing is fixed to la and the cylinder plunger is connected to the burner).
  • the fuel supply system of the burner is a biomass combustible gas (or combustible liquid) generating device 4, including a storage tank 4a connected by a pipeline, a pump 4b, a main on-off valve 4c, a bypass switch valve 5, and a flow regulating valve 6
  • the flexible draft tube 7 is constructed.
  • a combustible gas (or combustible liquid) purification device 4d is disposed in the pipe network in front of the fuel storage tank. The combustible gas purifying device 4d purifies the fuel.
  • the flow regulating valve 6 is used to regulate the flow rate of the fuel and change the strength of the heat supply.
  • the bypass switch valve 5 controls the on and off of a single Stirling machine fuel.
  • Figures 2 and 3 show a second embodiment in which the position adjustment mechanism of the burner is a bent link mechanism.
  • the connecting rods of the bending link mechanism are connected by a quarter-turn actuator (including a pneumatic angular stroke actuator, or a hydraulic angular stroke actuator, or an electric angular stroke actuator), and the burner is mounted on the bending linkage mechanism Output.
  • a quarter-turn actuator including a pneumatic angular stroke actuator, or a hydraulic angular stroke actuator, or an electric angular stroke actuator
  • FIG. 2 is a schematic diagram showing the basic principle structure of the burner position adjusting mechanism which is a bending link mechanism.
  • Figure 3 is a partially enlarged schematic view of the bending linkage mechanism.
  • 1 is the Stirling unit
  • la is the bracket of the Sterling machine
  • lb is the heat sink of the Stirling machine
  • lc is the butterfly reflection.
  • Id is a bracket of the disc mirror, which is equipped with a sunlight tracking device
  • 2 is a burner
  • 2d is the position of the optimal heating lb to which the burner moves
  • 3d is the first link
  • 3e is the second link
  • 3f is the third company Rod
  • 3g is a quarter-turn actuator
  • 3gl connects the starting end of the first link 3d with la
  • the terminal of 3d is connected to the beginning of 3e by 3g2
  • the terminal of 3e is connected to the beginning of 3f by 3g3
  • the terminal of 3f is fixed
  • 5 is a bypass switch valve
  • 6 is a regulating valve
  • 7 is a flexible conduit
  • 7 is connected to the fuel inlet of the burner 2
  • 5 is connected to the fuel supply main valve through the draft tube.
  • the fuel supply system is the same as the fuel supply system shown in FIG.
  • FIG. 4 is a schematic diagram of the system of the solar Stirling power plant of the present invention:
  • Figure 4 shows the number of Stirling generator sets sharing a set of combustible (or combustible liquid) fuel supply systems for the four Stirling generator sets.
  • the total number of Stirling generator sets can be determined according to this figure. Shown with decreasing or increasing.
  • 1 is the Stirling unit
  • la is the bracket of the Sterling machine
  • lb is the heat sink of the Stirling machine
  • lc is the butterfly mirror
  • Id is the bracket of the dish mirror, which is equipped with a sunlight tracking device.
  • 2 is the burner
  • 2c is the direction of motion of the burner
  • 2d is the end position of the burner
  • 3 is the burner position adjuster
  • 3 can be a pneumatic (or hydraulic, or electric) telescopic mechanism.
  • 4 is biomass gasification equipment (or biomass liquefaction equipment), 4a is the storage tank, 4b is the pump, 4c is the main switching valve, 4d is the fuel purification device, 5 is the branch switch valve. 6 is the regulating valve, 7 is A flexible conduit, 7 is connected to the fuel inlet of the burner 2.
  • the technical solution of the present invention provides a combustion device for the Stirling machine of each dish-type solar Stirling generator set, and moves the burner of the combustion device to the sun when there is no sunlight (or when the sunlight is insufficient).
  • the fuel is ignited to heat the heated body, thus solving the problem that the solar disc Stirling unit is unstable in power generation and cannot be continuously generated in 24 hours, especially when the fuel is made of biomass gas.
  • flammable gas, or biomass liquefied flammable liquid it is a dish-type solar Stirling machine clean energy power generation device that can be continuously and stably operated day and night.
  • the fuel required for the combustion apparatus of the present invention can also be replaced by natural gas (or coal gas, or coking gas, or iron-making blast furnace gas, or oil well gas collection), and the solar Stirling unit can be continuously operated day and night.
  • natural gas or coal gas, or coking gas, or iron-making blast furnace gas, or oil well gas collection
  • Biomass gasification gas is preferred.
  • combustion apparatus of the present invention can also be replaced with biomass liquid fuel or with diesel or kerosene, or gasoline, or heavy oil, or methanol, or ethanol, again allowing the solar Stirling unit to operate continuously throughout the day and night.
  • Biomass gasification liquid is preferred.
  • the solar power station of the invention comprises a plurality of dish-type solar Stirling generator sets (depending on the power plant power and the solar energy collection area), and the burner is arranged on the Stirling machine bracket of each dish-type solar Stirling unit.
  • the burner fuel supply system supplies fuel to the burner through the on-off valve, the regulating valve, and the fuel flexible conduit, the burner Connected to the position adjustment mechanism, the position adjustment mechanism is installed on the bracket of the disc solar Stirling machine, and the fuel supply system can be a system exclusive to each Stirling unit or a set of several Stirling units. Fuel supply system.
  • the core of the invention is to provide a combustion device for the Stirling machine of each dish-type solar Stirling unit.
  • the burner of the combustion device moves to the heating body of the Stirling unit.
  • the ignition heats the heated body. Therefore, it is within the scope of the present invention to provide a burner for each Stirling machine of the dish-type solar Stirling unit.

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Abstract

一种可昼夜连续运转的碟式太阳能斯特林机发电装置,包括太阳能碟式斯特林机发电机组(1),在每个碟式太阳能斯特林机组上设置燃烧器(2)以及可调节燃烧器的燃烧口对准碟式太阳能斯特林机组受热器或离开受热器的燃烧器位置调节机构(3),该位置调节机构安装在碟式太阳能斯特林机的支架(1a)上,位置调节机构上安装燃烧器(2),燃烧器的燃料供给系统(4)通过总开关阀(4c)及支路开关阀(5)、调节阀(6)、燃料柔性导管(7)而与燃烧器连接。该斯特林发电装置能够在夜间和阴天稳定发电。

Description

可昼夜连续运转的碟式太阳能斯特林机发电装置 技术领域
本发明涉及一种可昼夜连续运转的碟式太阳能斯特林机发电装置, 属于一种传统化 石能源与太阳能斯特林机组的互补发电方法,及生物质清洁能源与太阳能互补发电的能 源技术领域。 背景技术
随着传统化石能源 (煤、 石油、 天然气) 储量的日益减少, 以及由于使用化石能 源所带来的环境污染问题, 直接威胁着人类的生存和发展, 重视和发展可再生、 环保 能源已成为各国政府的共识。太阳能具有分布广泛,储量无限,收集利用清洁, co2零排放 的优点引起人们广泛关注。
当前太阳能热发电按照太阳能采集方式可划分为:太阳能塔式聚热发电、 太阳能槽 式聚热发电、 太阳能碟式斯特林机组发电。
其中太阳能碟式斯特林机组可自动两维跟踪太阳, 光电转换效率最高, 启动损失 小, 它是目前太阳能发电效率最高的系统, 发电效率达到 30%以上, 几乎不用水, 输 出效率达 26% (有自身跟踪机构耗电) 。
但是由于地面上可收集的太阳光总是白天有, 夜间无, 晴天强, 阴天弱。 这就使 太阳能碟式斯特林机组发电很不稳定, 也不可 24小时连续发电, 限制了太阳能碟式斯 特林机发电系统的使用。
生物质是植物通过光合作用生成的有机物质, 其分布广泛、 可利用量大、 较化石 能源清洁, 具有 C02零排放的特征, 是唯一一种既可以固态直燃, 又可以液化利用, 又 可以气化利用的清洁能源, 也是一种重要的可再生能源。
生物质的各种液化技术、 气化技术以及可燃气、 可燃液的燃烧器技术已经公知很 多, 也是比较成熟的技术。 发明内容
本发明的目的是为了克服上述已知太阳能碟式斯特林机发电系统的技术缺陷, 解 决太阳能碟式斯特林机组发电不稳定、 也不可 24小时连续发电的问题, 提供一种可昼 夜连续运转的碟式太阳能斯特林机发电装置。 采用气体燃料、 或液体燃料作为第二热 源的太阳能碟式斯特林机发电系统, 当夜晚或阴天太阳光过弱,不足以使发电机达到额 定转数及输出合格电能时,由可燃气 (或可燃液)补充提供热能发电,解决太阳能碟式斯特 林机组不能夜间发电及发电不稳定问题。
其次, 是采用生物质燃料作为作为第二热源时, 解决两者结合的技术问题,使本发 明更具有。02零排放、 可再生清洁能源发电特征。
本发明的技术方案: 本发明的可昼夜连续运转的碟式太阳能斯特林机发电装置包 括太阳能碟式斯特林机发电机组, 在每个碟式太阳能斯特林机组上设置燃烧器、 可调 节燃烧器的燃烧口对准碟式太阳能斯特林机组受热器或离开受热器的燃烧器位置调节 机构,位置调节机构安装在碟式太阳能斯特林机的支架上,位置调节机构上安装燃烧器, 燃烧器的燃料供给系统通过总开关阀及支路开关阀、 调节阀、 燃料柔性导管与燃烧器 连接。
所述的位置调节机构是伸縮机构, 伸縮机构的驱动器是直行程执行器, 燃烧器安 装在伸縮机构的伸縮输出端。
所述的位置调节机构是弯折连杆机构, 弯折连杆机构的连杆之间由角行程执行器 (包括气动角行程执行器、 或液动角行程执行器、 或电动角行程执行器) 连接, 燃烧 器安装在弯折连杆机构的输出端。
优选地, 所述的弯折连杆机构是三连杆机构, 包括第一号杆、 第二号杆、 第三号 杆, 三杆之间通过相互可转动的角行程执行机构连接, 第一号杆通过角行程执行机构 连接在斯特林机的支架上。
所述的燃料供给系统是可燃气供给系统, 包括由管路连接的储气罐、 泵、 总开关 阀、 支路开关阀、 流量调节阀、 柔性导流管。
优选地, 所述的燃料供给系统是生物质气化供给系统, 包括由管路连接的生物质 气化设备、 净化装置、 储气罐、 泵、 总开关阀、 支路开关阀、 流量调节阀、 柔性导流 管。
所述的燃料供给系统是液体燃料供给系统, 包括由管路连接的储液罐、 泵、 总开 关阀、 支路开关阀、 流量调节阀、 柔性导流管。 优选地, 所述的燃料供给系统是生物质液化供给系统, 包括由管路连接的生物质 液化设备、 净化装置、 储气罐、 泵、 总开关阀、 支路开关阀、 流量调节阀、 柔性导流 管。
本发明可在夜晚 (或阴雨天阳光不足时) 启动燃烧器位置调节机构,使燃烧器运动 到斯特林机的受热体处,接通燃料并点火对受热体加热,斯特林机继续发电。
上述的燃烧装置所需的气体燃料可以是天然气 (或沼气、 或煤田瓦斯气、 或炼焦煤 气、 或炼铁高炉气、 或油井采集气),天然气在无太阳光时 (或阳光不足时)的补充燃烧可 使太阳能斯特林发电机组昼夜连续稳定运转。
上述的的燃烧装置所需的液体燃料可以是柴油 (或煤油、或汽油、或重油、或甲醇、 或乙醇), 柴油在无太阳光时 (或阳光不足时)的补充燃烧可使太阳能斯特林发电机组昼 夜连续稳定运转。
本发明的优点: 采用气体燃料或液体燃料作为第二热源的太阳能碟式斯特林机发 电系统, 当夜晚或阴天太阳光过弱,不足以使发电机达到额定转数及输出合格电能时,由 可运动的燃烧器 (燃料为可燃气或可燃液)补充提供热能发电,解决太阳能碟式斯特林机 组不能夜间发电及发电不稳定问题。
本发明特别将生物质气化 (或液化)能源与太阳能斯特林机相结合,更是一种可昼夜 连续稳定运转的清洁能源发电装置。
太阳能与生物质能互补斯特林机发电技术方案,发电稳定、 受气侯变化影响更小、 几乎不用水,是具有优越的 co2零排放的可再生清洁能源发电。 附图说明
图 1为本发明的基本原理结构示意图:
图中 1是斯特林机组, la是斯特机的支架, lb是斯特林机的受热器, lc是蝶式 反射镜, Id是碟式镜的支架, 其上装有阳光跟踪装置, 2是燃烧器, 2c是燃烧器的运 动方向, 2d是燃烧器的运动终点位置, 3是燃烧器位置调节器, 3可以是气动 (或液动、 或电动)伸縮机构。 4是生物质气化设备 (或生物质液化设备), 4a是储气 (液) 罐, 4b 是泵, 4c是总开关阀, 4d是燃料净化装置, 5是支路开关阀, 6是调节阀, 7是柔性导 管, 7与燃烧器 2的燃料入口相接。 图 2为燃烧器位置调节机构是弯折连杆机构的基本原理结构示意
图, 图 3为弯折连杆机构的局部放大示意图:
图 2、 图 3中: 1是斯特林机组, la是斯特机的支架, lb是斯特林
机的受热器, lc是蝶式反射镜, Id是碟式镜的支架,其上装有阳光跟踪装置, 2是燃烧 器, 2d是燃烧器运动到的最佳加热的位置, 3d是第一连杆, 3e是第二连杆, 3f 是第三 连杆, 3g是角行程执行机构, 3gl将第一连杆 3d的起始端与 la相连接, 3d的终端由 3g2连接至 3e的始端, 3e的终端由 3g3连接至 3f 的始端, 3f 的终端固定在燃烧器 2 上, 5是支路开关阀, 6是调节阀, 7是柔性导管, 7与燃烧器 2的燃料入口相接, 5与 燃料供应总阀通过导流管相连接。 而燃料供应系统与图 1 所示的燃料供应系统是一样 的。
图 4是本发明太阳能斯特林电厂的系统示意图:
图 4中显示斯特林发电机组的数量为四台斯特林发电机组共用了一套可燃气 (或可 燃液)燃料供给系统,电站总功率确定后斯特林发电机组的数量可按此图所示与以减少 或增加。
图 4中 1是斯特林机组, la是斯特林机的支架, lb是斯特林机的受热器, lc是蝶 式反射镜, Id是碟式镜的支架, 其上装有阳光跟踪装置, 2是燃烧器, 2c是燃烧器的 运动方向, 2d是燃烧器的运动终点位置, 3是燃烧器位置调节器, 燃烧器位置调节器 3 可以是气动 (或液动、 或电动)伸縮机构。 4 是生物质气化设备 (或生物质液化设备), 4a 是储罐, 4b是泵, 4c是总开关阀, 4d是燃料净化装置, 5是支路开关阀, 6是调节阀, 7是柔性导管, 柔性导管 7与燃烧器 2的燃料入口相接。 具体实施方式
下面结合附图具体说明本发明的系统布置结构、 最佳实施方式、 工艺过程, 并不 是说本发明所揭示的内容仅限于下面的实施例:
本发明的可昼夜连续运转的碟式太阳能斯特林机发电装置包括太阳能碟式斯特林 机发电机组, 在每个碟式太阳能斯特林机组上设置燃烧器、 燃烧器位置调节机构、 燃 料供给系统, 位置调节机构安装在碟式太阳能斯特林机的支架上, 位置调节机构上安 装燃烧器, 位置调节机构可调节燃烧器的燃烧口对准碟式太阳能斯特林机组的受热器, 使燃烧器的火焰加热受热器, 燃料供给系统通过柔性管与燃烧器连接。
实施例 1
图 1 中: 本发明的可昼夜连续运转的碟式太阳能斯特林机发电装置, 包括太阳能 碟式斯特林机发电机组 1, 在每个碟式太阳能斯特林机组 1上设置燃烧器 2、 燃烧器位 置调节机构 3,位置调节机构 3安装在碟式太阳能斯特林机的支架 la上, 位置调节机构 3上安装燃烧器 2, 位置调节机构 3可调节燃烧器 2的位置,以便使受热器 lb在夜间 (或 阴雨天无阳光时)继续受热。燃烧器的燃料供给系统 4通过总开关阀 4c及支路开关阀 5、 调节阀 6、 燃料柔性导管 7向燃烧器提供燃料。
位置调节机构 3 的驱动器是直行程执行器, 包括直行程气动执行器、 直行程液动 执行器、直行程电动执行器。直行程执行器 3的执行杆与燃烧器相连接, 直行程执行器 的驱动器外壳固定在支架 la上 (如用气动执行器,气缸外壳固定在 la上,气缸顶杆与燃烧 器相连)。
显而易见,通常可见的液压油缸、 气缸、 电磁杠杆均可看作为位置调节机构或位置 调节机构的部件。
燃烧器的燃料供给系统是由生物质可燃气 (或可燃液)发生设备 4, 包括由管路相连 接的储罐 4a、 泵 4b、 总开关阀 4c、 支路开关阀 5、 流量调节阀 6、 柔性导流管 7构成。 燃料储罐前方的管网中设置有可燃气 (或可燃液)净化装置 4d。 可燃气净化装置 4d对燃 料加以净化。
流量调节阀 6用于调节燃料的流量, 改变供热的强弱。
支路开关阀 5可控制单台斯特林机燃料的通断。
实施例 2
图 2、图 3显示的是第二种实施方案,其中燃烧器的位置调节机构是弯折连杆机构。 弯折连杆机构的连杆之间由角行程执行器 (包括气动角行程执行器、 或液动角行程执 行器、 或电动角行程执行器) 连接, 燃烧器安装在弯折连杆机构的输出端。
图 2为燃烧器位置调节机构是弯折连杆机构的基本原理结构示意图。 图 3为弯折 连杆机构的局部放大示意图,图 2、 图 3中, 1是斯特林机组, la是斯特机的支架, lb是斯 特林机的受热器, lc是蝶式反射镜, Id是碟式镜的支架,其上装有阳光跟踪装置, 2是燃烧 器, 2d是燃烧器运动到的最佳加热 lb的位置 ,3d是第一连杆, 3e是第二连杆, 3f是第三连 杆, 3g是角行程执行机构, 3gl将第一连杆 3d的起始端与 la相连接, 3d的终端由 3g2连 接至 3e的始端 ,3e的终端由 3g3连接至 3f的始端 ,3f的终端固定在燃烧器 2上, 5是支路 开关阀 .6是调节阀, 7是柔性导管, 7与燃烧器 2的燃料入口相接, 5与燃料供应总阀通过 导流管相连接。 而燃料供应系统与图 1所示的燃料供应系统是一样的。
实施例 3
图 4是本发明太阳能斯特林电厂的系统示意图:
图 4中显示斯特林发电机组的数量为四台斯特林发电机组共用了一套可燃气 (或可 燃液)燃料供给系统,电站总功率确定后斯特林发电机组的数量可按此图所示与以减少 或增加。
图 4中 1是斯特林机组, la是斯特机的支架, lb是斯特林机的受热器, lc是蝶式反射 镜, Id是碟式镜的支架,其上装有阳光跟踪装置, 2是燃烧器, 2c是燃烧器的运动方向 , 2d是 燃烧器的运动终点位置, 3 是燃烧器位置调节器 ,3 可以是气动 (或液动、 或电动)伸縮机 构。 4是生物质气化设备 (或生物质液化设备 ),4a是储罐 ,4b是泵, 4c是总开关阀, 4d是燃 料净化装置, 5是支路开关阀 .6是调节阀, 7是柔性导管, 7与燃烧器 2的燃料入口相接。
综上所述,本发明的技术方案为每个碟式太阳能斯特林发电机组的斯特林机设置燃 烧装置, 在无太阳光时 (或阳光不足时),使燃烧装置的燃烧器运动到斯特林机组的受热 体处,供给燃料点火对受热体加热,因此很好地解决了太阳能碟式斯特林机组发电不稳 定、也不可 24小时连续发电的问题, 特别当燃料采用生物质气化可燃气,或生物质液化 可燃液时,更是一种可昼夜连续稳定运转的碟式太阳能斯特林机清洁能源发电装置。
显而易见, 本发明的燃烧装置所需的燃料还可以用天然气 (或煤田瓦斯气、 或炼焦 煤气、或炼铁高炉气、或油井采集气)来置换,同样可使太阳能斯特林机组昼夜连续运转。 优选生物质气化气。
显而易见, 本发明的燃烧装置还可以使用生物质液体燃料或使用柴油或煤油、 或 汽油、 或重油、 或甲醇、 或乙醇来置换,同样可使太阳能斯特林机组昼夜连续运转。 优 选生物质气化液。
本发明的太阳能电站采用数个 (视电站功率大小及太阳能收集面积而定)碟式太阳 能斯特林发电机组构成, 每个碟式太阳能斯特林机组的斯特林机支架上设置有燃烧器, 燃烧器的燃料供给系统通过开关阀、 调节阀、 燃料柔性导管向燃烧器提供燃料,燃烧器 与位置调节机构相连接、 位置调节机构安装在碟式太阳能斯特林机的支架上, 燃料供 给系统可以是每台斯特林机组独享一套系统或者是数台斯特林机组共用一套燃料供给 系统。
本发明的核心是为每个碟式太阳能斯特林机组的斯特林机设置燃烧装置, 在无太 阳光时 (或阳光不足时),燃烧装置的燃烧器运动到斯特林机组的受热体处,点火对受热体 加热。 因此, 凡是为每个碟式太阳能斯特林机组的斯特林机设置燃烧装置的, 均属于 本发明的保护范围。

Claims

权利要求书
1. 一种可昼夜连续运转的碟式太阳能斯特林机发电装置, 包括太阳能碟式斯特林 机发电机组(1 ), 其特征在于: 在每个碟式太阳能斯特林机组(1 )上设置燃烧器(2)、 可调节燃烧器的燃烧口对准碟式太阳能斯特林机组受热器或离开受热器的燃烧器位置 调节机构 (3 ) ,位置调节机构 (3) 安装在碟式太阳能斯特林机的支架 (la) 上, 位置 调节机构(3 )上安装燃烧器(2), 燃烧器(2)的燃料供给系统(4)通过总开关阀(4c) 及支路开关阀 (5)、 调节阀 (6)、 燃料柔性导管 (7) 与燃烧器 (2) 连接。
2. 根据权利要求 1所述的可昼夜连续运转的碟式太阳能斯特林机发电装置, 其特 征在于: 位置调节机构 (3 ) 是伸縮机构, 伸縮机构的驱动器是直行程执行器, 燃烧器
(2) 安装在伸縮机构的伸縮输出端。
3. 根据权利要求 1所述的可昼夜连续运转的碟式太阳能斯特林机发电装置, 其特 征在于: 位置调节机构 (3 ) 是弯折连杆机构, 弯折连杆机构的连杆之间由角行程执行 器连接, 燃烧器 (2) 安装在弯折连杆机构的输出端。
4. 根据权利要求 3所述的可昼夜连续运转的碟式太阳能斯特林机发电装置, 其特 征在于: 弯折连杆机构是三连杆机构, 包括第一号杆 (3d)、 第二号杆 (3e)、 第三号 杆 (30, 三杆之间通过相互可转动的角行程执行机构 (3g) 连接, 第一号杆 (3d) 通 过角行程执行机构 (3g) 连接在斯特林机的支架 (la) 上。
5. 根据权利要求 1或 2或 3所述的可昼夜连续运转的碟式太阳能斯特林机发电装 置, 其特征在于: 燃料供给系统是可燃气供给系统, 包括由管路连接的储气罐 (4a)、 泵 (4b)、 总开关阀 (4c)、 支路开关阀 (5)、 流量调节阀 (6)、 柔性导流管 (7)。
6. 根据权利要求 5所述的可昼夜连续运转的碟式太阳能斯特林机发电装置, 其特 征在于:燃料供给系统是生物质气化供给系统,包括由管路连接的生物质气化设备(4)、 净化装置 (4d)、 储气罐 (4a)、 泵 (4b)、 总开关阀 (4c)、 支路开关阀 (5)、 流量调节 阀 ( 6)、 柔性导流管 (7)。
7. 根据权利要求 1或 2或 3所述的可昼夜连续运转的碟式太阳能斯特林机发电装 置, 其特征在于: 燃料供给系统是液体燃料供给系统, 包括由管路连接的储液罐(4a)、 泵 (4b)、 总开关阀 (4c)、 支路开关阀 (5)、 流量调节阀 (6)、 柔性导流管 (7)。
8. 根据权利要求 7所述的可昼夜连续运转的碟式太阳能斯特林机发电装置, 其特 征在于:燃料供给系统是生物质液化供给系统,包括由管路连接的生物质液化设备(4)、 净化装置 (4d)、 储气罐 (4a)、 泵 (4b)、 总开关阀 (4c)、 支路开关阀 (5)、 流量调节 阀 ( 6)、 柔性导流管 (7)。
9. 根据权利要求 4所述的可昼夜连续运转的碟式太阳能斯特林机发电装置, 其特 征在于: 燃料供给系统是可燃气供给系统, 包括由管路连接的储气罐 (4a)、 泵 (4b)、 总开关阀 (4c)、 支路开关阀 (5)、 流量调节阀 (6)、 柔性导流管 (7)。
10. 根据权利要求 9所述的可昼夜连续运转的碟式太阳能斯特林机发电装置,其特 征在于:燃料供给系统是生物质气化供给系统,包括由管路连接的生物质气化设备(4)、 净化装置 (4d)、 储气罐 (4a)、 泵 (4b)、 总开关阀 (4c)、 支路开关阀 (5)、 流量调节 阀 ( 6)、 柔性导流管 (7)。
11. 根据权利要求 4所述的可昼夜连续运转的碟式太阳能斯特林机发电装置,其特 征在于:燃料供给系统是液体燃料供给系统,包括由管路连接的储液罐(4a)、泵(4b)、 总开关阀 (4c)、 支路开关阀 (5)、 流量调节阀 (6)、 柔性导流管 (7)。
12. 根据权利要求 11所述的可昼夜连续运转的碟式太阳能斯特林机发电装置, 其 特征在于: 燃料供给系统是生物质液化供给系统, 包括由管路连接的生物质液化设备
(4)、 净化装置 (4d)、 储液罐 (4a)、 泵 (4b)、 总开关阀 (4c)、 支路开关阀 (5)、 流 调节阀 (6)、 柔性导流管 (7
PCT/CN2012/075932 2001-05-24 2012-05-23 可昼夜连续运转的碟式太阳能斯特林机发电装置 WO2012159566A1 (zh)

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AU2012261344A AU2012261344B2 (en) 2011-05-24 2012-05-23 Disc-type solar Stirling engine power generation device capable of operating continuously day and night
SG2013086582A SG195113A1 (en) 2011-05-24 2012-05-23 Disc-type solar stirling engine power generation device capable of operating continuously day and night
MX2013013392A MX341710B (es) 2011-05-24 2012-05-23 Dispositivo generador de energia con motor stirling solar del tipo de disco, capaz de operar continuamente dia y noche.
AP2013007298A AP2013007298A0 (en) 2011-05-24 2012-05-23 Disc-type solar stirling engine power generation device capable of operating continuously day and night
KR1020137031137A KR101518478B1 (ko) 2011-05-24 2012-05-23 주야로 연속적으로 작동될 수 있는 디스크-타입 태양광 스털링 엔진 발전 장치
BR112013029990A BR112013029990A2 (pt) 2011-05-24 2012-05-23 dispositivo de geração de energia solar de prato tipo stirling capaz de operar continuamente dia e noite
CA 2836770 CA2836770A1 (en) 2011-05-24 2012-05-23 Disc-type solar stirling engine power generation device capable of operating continuously day and night
EP12789424.4A EP2716910B1 (en) 2011-05-24 2012-05-23 Disc-type solar stirling engine power generation device capable of operating continuously day and night
RU2013157050/06A RU2013157050A (ru) 2011-05-24 2012-05-23 Солнечный генератор стирлинга параболического типа для непрерывной работы в дневное и ночное время
US14/062,854 US9157420B2 (en) 2001-05-24 2013-10-24 Dish-type stirling solar generator
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