WO2011147121A1 - 热气流发电装置 - Google Patents

热气流发电装置 Download PDF

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Publication number
WO2011147121A1
WO2011147121A1 PCT/CN2010/075658 CN2010075658W WO2011147121A1 WO 2011147121 A1 WO2011147121 A1 WO 2011147121A1 CN 2010075658 W CN2010075658 W CN 2010075658W WO 2011147121 A1 WO2011147121 A1 WO 2011147121A1
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WO
WIPO (PCT)
Prior art keywords
power
turbine
exhaust
air
power generation
Prior art date
Application number
PCT/CN2010/075658
Other languages
English (en)
French (fr)
Inventor
张革
Original Assignee
Zhang Ge
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
Application filed by Zhang Ge filed Critical Zhang Ge
Publication of WO2011147121A1 publication Critical patent/WO2011147121A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/30—Wind motors specially adapted for installation in particular locations
    • F03D9/34—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
    • F03D9/35—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures within towers, e.g. using chimney effects
    • F03D9/37—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures within towers, e.g. using chimney effects with means for enhancing the air flow within the tower, e.g. by heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/60—Application making use of surplus or waste energy
    • F05B2220/602—Application making use of surplus or waste energy with energy recovery turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/60—Application making use of surplus or waste energy
    • F05B2220/604—Application making use of surplus or waste energy for domestic central heating or production of electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/20—Heat transfer, e.g. cooling
    • F05B2260/24—Heat transfer, e.g. cooling for draft enhancement in chimneys, using solar or other heat sources
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

Definitions

  • the present invention relates to the field of recovery and utilization of waste heat from a thermal power plant.
  • BACKGROUND OF THE INVENTION At present, the hot gas discharged from the chimney of a thermal power plant and the convection of air and circulating water in a cooling tower are not fully utilized from the circulating water, and are discharged to the atmosphere. This is not only a loss and waste of useful resources, but also caused a large pollution to the environment.
  • SUMMARY OF THE INVENTION In order to overcome the above-mentioned drawbacks, the present invention provides a hot gas power generation device capable of fully utilizing the residual heat of a thermal power plant and effectively reducing emissions.
  • the hot gas power generation device of the present invention is realized by: comprising a hollow exhaust chimney, wherein at least one turbine is axially disposed in the exhaust chimney, corresponding to each of the turbines A generator is disposed outside the exhaust smoke, and a power output shaft of the turbine is coupled to a power input shaft of the generator via a transmission. Further, the exhaust gas is provided with a heat exchange device from a lower portion.
  • the exhaust gas from the lower peripheral has a cool water tower, and two or more heat pipes are disposed in the lower section of the exhaust smoke, and the upper end of the heat pipe extends outward
  • a drain pipe the lower end is provided with an inlet pipe
  • the lower end of the cooling tower is provided with an air inlet, a water inlet and a water outlet, and the air inlet
  • the lower portion of the exhaust smoke is in communication with the air flow passage of the exhaust smoke
  • the water inlet is in communication with the water inlet pipe
  • the water outlet is in communication with the water flow passage of the drain pipe of the radiator.
  • the transmission device is a gear transmission.
  • the hot gas power generation device uses the exhaust air to drive the turbine to rotate from the internal hot air flow, and then transmits the power to the generator through the transmission device to generate electric power; and through setting in the cool water tower of the thermal power plant
  • the exhaust chimney is heated by the heat of circulating water in the cooling tower into the air of the exhaust chimney disposed in the cool water tower. Due to the buoyancy of the hot air and the pumping force of the chimney, the heated hot air flow has a certain The flow rate, and can drive the turbine, the turbine through the gear transmission, the power is transmitted to the generator to run to generate electricity.
  • the utility model effectively utilizes the waste heat of the thermal power plant, increases the power generation capacity of the power plant, reduces the emission, and has good environmental protection performance.
  • FIG. 1 is a schematic structural view showing a power generating device of a hot gas power generation device chimney according to the present invention
  • FIG. 2 is a schematic structural view showing a chimney and a power generating device in a cooling water tower of the hot gas power generation device according to the present invention.
  • the 1 includes a hollow exhaust gas stack 1 in which five turbines 2 are axially disposed, and each of the corresponding turbines 2 is in the row
  • the gas smoke is provided with a generator 3 from the outside, and the power output shaft of the turbine 2 is connected to the power input shaft of the generator 3 via the transmission device 4. Due to the buoyancy of the hot air flow in the exhaust stack 1 and the pumping force of the chimney, the hot air flow has a certain flow rate, thereby driving the turbine 2 to operate, and transmitting power to the row through the gear transmission
  • the generator 3 outside the gas chimney 1 causes it to operate to generate electricity. As shown in FIG.
  • the hot gas power generation device has a cool water in the lower periphery of the exhaust smoke from a tower 5, and two or more heat-dissipating pipes 6 are disposed in the lower section of the exhaust chimney 1; a drain pipe 7 is outwardly protruded from an upper end of the heat-dissipating pipe 6, and an inlet pipe 8 is disposed at a lower end thereof.
  • the lower end of the cooling tower 5 is provided with an air inlet 9, a water inlet 10 and a water outlet 11, and air entering the air inlet 9 passes through the airflow of the exhaust smoke from the lower portion of the exhaust gas chimney 1
  • the water outlet 10 communicates with the water inlet pipe 8, and the water outlet 11 communicates with the water flow passage of the drain pipe 7 of the radiator 6.
  • Each of the turbines 2 is axially disposed in the upper portion of the exhaust gas from the upper portion of the exhaust gas, and each of the turbines 2 is provided with a generator 3 outside the exhaust smoke from the outside of the exhaust gas.
  • the transmission 4 transmits power to the generator 3 to generate electric power.
  • the heat pipe 6 enters the water pipe 10 of the cool water tower 5 to dissipate heat outwardly for heating the air entering from the air inlet 9 of the cool water tower 5, and after the air is heated to a certain temperature,
  • the speed of the exhaust gas rises from the air flow passage of the exhaust gas, and during the ascent, the turbine 2 disposed in the exhaust gas stack 1 is driven to drive the generator 3 to generate electricity via a gear transmission;
  • the water discharged from the drain pipe of the radiator 6 is returned through the circulating water return pipe of the cooling water tower 5 for cooling the generator set of the thermal power plant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Description

热气流发电装置 技术领域 本实用新型涉及一种热电厂余热的回收和利用领域。 背景技术 目前， 由热电厂烟囱排出的热气体，及凉水塔中用空气与循环水的对流从 循环水中带出的热量均没能得到充分的利用， 而将其排放到大气中。这样不仅 是对有用资源的一种损失和浪费， 还对环境造成了有^ ^大的污染。 实用新型内容 为了克服上述的缺陷， 本实用新型提供一种能够充分利用热电厂的余热， 有效降低排放的热气流发电装置。 为达到上述目的， 本实用新型所述热气流发电装置是通过以下方式实现 的： 包括中空的排气烟囱，在所述排气烟囱内轴向设有至少一个涡轮，对应的 每个所述涡轮处在所述排气烟自外设有发电机，所述涡轮的动力输出轴经传动 装置与所述发电机的动力输入轴相连接。 进一步地， 所述排气烟自的下段设有热交换装置。 进一步地，所述排气烟自的下段外设有一凉水塔，并在所述排气烟自的下 段内设有两个或两个以上的散热管， 所述散热管的上端向外伸出有排水管， 下 端设有进水管， 所述凉水塔的下端设有进气口， 进水口和排水口， 所述进气口 经所述排气烟自的下段与所述排气烟自的气流通道相通，所述进水口与所述进 水管相连通， 所述排水口与所述散热器的排水管的水流通道相通。 进一步地， 所述传动装置为齿轮传动装置。 本实用新型提供的所述热气流发电装置，利用排气烟自内的热气流驱动所 述涡轮转动，再经传动装置将动力传递给发电机产生电力； 以及通过在热电厂 的凉水塔内设置所述排气烟囱，利用凉水塔内循环水的热量加热进入设置在所 述凉水塔内的排气烟囱的空气， 由于热空气的浮力和烟囱的抽力，就会使被加 热的热气流具有一定的流速， 并能推动涡轮运转， 涡轮经齿轮传动装置， 将动 力传递给发电机使其运转发电。本实用新型有效的利用了热电厂的余热，增加 了电厂的发电量， 降低排放， 具有很好的环保性能。 附图说明
图 1为本实用新型所述热气流发电装置烟囱设有发电装置的结构示意图； 图 2 为本实用新型所述热气流发电装置凉水塔内设有烟囱及发电装置的 结构示意图。 具体实施方式 下面结合说明书附图对本实用新型的具体实施方式做详细描述。 如图 1所示所述热气流发电装置， 包括中空的排气烟囱 1 , 在所述排气烟 囱 1内轴向设有五个涡轮 2 ,对应的每个所述涡轮 2处在所述排气烟自 1外设 有发电机 3 , 所述涡轮 2的动力输出轴经传动装置 4与所述发电机 3的动力输 入轴相连接。 由于所述的排气烟囱 1内的热气流的浮力及烟囱的抽力，使热气 流具有一定的流速， 进而推动所述涡轮 2运转， 经齿轮传动装置， 将动力传递 给设置在所述排气烟囱 1外的发电机 3使其运转发电。 如图 2所示所述热气流发电装置，在所述排气烟自 1的下段外设有一凉水 塔 5 , 并在所述排气烟囱 1的下段内设有两个或两个以上的散热管 6; 所述散 热管 6的上端向外伸出有排水管 7 , 下端设有进水管 8 , 所述凉水塔 5的下端 设有进气口 9 , 进水口 10和排水口 11 , 进入所述进气口 9的空气经所述排气 烟囱 1的下段从所述排气烟自 1的气流通道排出， 所述进水口 10与所述进水 管 8相连通， 所述排水口 11与所述散热器 6的排水管 7的水流通道相通。 在 所述排气烟自 1的上段内轴向设有五个涡轮 2,对应的每个所述涡轮 2处在所 述排气烟自 1外都设有发电机 3 , 所述涡轮 2经所述传动装置 4, 将动力传递 给所述发电机 3 , 使其产生电力。 经所述凉水塔 5的进水口 10进入所述散热管 6向外散出热量， 用于加热 从所述凉水塔 5的进气口 9进入的空气， 空气被加热到一定温度后， 以一定的 速度经排气烟自 1的气流通道上升，在上升的过程中，推动设置在所述排气烟 囱 1内的所述涡轮 2 , 经齿轮传动装置驱动所述发电机 3发电； 经所述散热器 6的排水管排出的水经所述凉水塔 5循环水回管返回， 用于冷却热电厂的发电 机组。
环水的热量，通过热气流的浮力以及排气烟囱的抽力推动设置在烟囱内的涡轮 带动发电机进行发电， 不仅增加了热电厂的发电量， 还有效的降低了排放，起 到了 艮好的环保作用。
以上，仅为本实用新型的较佳实施例，但本实用新型的保护范围并不局限 于此，任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内，可轻 易想到的变化或替换， 都应涵盖在本实用新型的保护范围之内。 因此， 本实用 新型的保护范围应该以权利要求所界定的保护范围为准。

Claims

1、 一种热气流发电装置， 包括中空的排气烟自， 其特征在于， 在所述排气 烟囱内轴向设有至少一个涡轮， 对应的每个所述涡轮处在所述排气烟自外设有 发电机，所述涡轮的动力输出轴经传动装置与所述发电机的动力输入轴相连接。
2、 根据权利要求 1所述热气流发电装置， 其特征在于， 所述排气烟囱的下 段设有热交换装置。
3、 根据权利要求 1所述热气流发电装置， 其特征在于， 所述排气烟囱的下 段外设有一凉水塔，并在所述排气烟囱的下段内设置两个或两个以上的散热管， 所述散热管的上端向外伸出有排水管， 下端设有进水管， 所述凉水塔的下端设 有进气口， 进水口和排水口， 所述进气口经所述排气烟自的下段与所述排气烟 囱的气流通道相通， 所述进水口与所述进水管相连通， 所述排水口与所述散热 器的排水管的水流通道相通。
4、 根据权利要求 1所述热气流发电装置， 其特征在于， 所述传动装置为齿 轮传动装置。
PCT/CN2010/075658 2010-05-26 2010-08-03 热气流发电装置 WO2011147121A1 (zh)

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CN102213119A (zh) * 2011-04-29 2011-10-12 赵振海 一种烟囱式空气换热发电系统
ES2403365B1 (es) * 2011-07-21 2014-09-15 Universidade Da Coruña Modificaciones del ciclo rankine para incrementar la eficiencia.
DE202012100680U1 (de) * 2011-09-30 2012-03-27 Sergey P. Statsura Anlage zur elektrischen Stromerzeugung
CN106705420B (zh) * 2016-12-15 2017-12-01 苏若愚 一种节能环保供暖系统
CN109420400A (zh) * 2017-08-27 2019-03-05 南京乐朋电子科技有限公司 一种工业区综合处理雾霾的装置

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Publication number Priority date Publication date Assignee Title
CN2761863Y (zh) * 2004-12-06 2006-03-01 华中科技大学 太阳能驱动气流发电装置
CN1804464A (zh) * 2006-01-05 2006-07-19 河北农业大学 一种新型垃圾焚烧热气流发电技术装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2761863Y (zh) * 2004-12-06 2006-03-01 华中科技大学 太阳能驱动气流发电装置
CN1804464A (zh) * 2006-01-05 2006-07-19 河北农业大学 一种新型垃圾焚烧热气流发电技术装置

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