WO2022174571A1 - 一种基于搅拌制热的垂直轴式风力机供蓄热系统 - Google Patents

一种基于搅拌制热的垂直轴式风力机供蓄热系统 Download PDF

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WO2022174571A1
WO2022174571A1 PCT/CN2021/115641 CN2021115641W WO2022174571A1 WO 2022174571 A1 WO2022174571 A1 WO 2022174571A1 CN 2021115641 W CN2021115641 W CN 2021115641W WO 2022174571 A1 WO2022174571 A1 WO 2022174571A1
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wind turbine
axis wind
stirring
stirring heating
heat
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PCT/CN2021/115641
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English (en)
French (fr)
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王兴
王伟锋
韩爽
赵杰
薛志恒
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西安热工研究院有限公司
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Publication of WO2022174571A1 publication Critical patent/WO2022174571A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24V—COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
    • F24V40/00—Production or use of heat resulting from internal friction of moving fluids or from friction between fluids and moving bodies
    • 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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • 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
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/18—Combinations of wind motors with apparatus storing energy storing heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure

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  • the invention belongs to the technical field of new energy heating, and in particular relates to a vertical axis wind turbine heat supply and storage system based on stirring heating.
  • the present invention proposes a vertical axis wind turbine heat supply and storage system based on stirring heating, which can fully utilize abandoned wind resources and save renewable energy on the one hand; Effectively reducing air pollution is conducive to green and sustainable development.
  • the Chinese patent with the application publication date of January 22, 2019 and the application publication number CN109253493A discloses a heating system based on wind power, heat storage and gas co-heating.
  • the main core part of the invention is two-way heating: one uses a wind turbine to supply power to the electric boiler, and then provides hot water through the heating of the electric boiler; the other uses a gas boiler to directly heat to provide hot water.
  • the main defects of this design are: first, wind energy is first converted into electric energy, and then into heat energy, and the secondary conversion reduces the energy utilization rate; second, the use of gas boiler heating to provide hot water will cause environmental pollution and During the heating period, there is a general problem of tight gas supply, and it is difficult to guarantee the gas source; in addition, the design of the system is too complicated, there are many new equipment, the cost increases significantly, and the investment recovery period will be greatly extended. To sum up, for wind heating, its design should make full use of abandoned wind energy, as simple as possible, low cost and environmentally friendly on the basis of ensuring energy conversion efficiency.
  • the purpose of the present invention is to provide a heat supply and storage system for vertical axis wind turbines based on stirring and heating, which fully utilizes abandoned wind resources, has a simple structure and is inexpensive.
  • the technical scheme adopted in the present invention is:
  • a vertical axis wind turbine heat supply and storage system based on stirring heating comprising a vertical axis wind turbine, a power transmission device, a stirring heater, a hot water storage tank and a heating network circulating water pipeline;
  • the rotating shaft of the vertical axis wind turbine is connected to the stirring shaft of the stirring heater from the bottom through the power transmission device;
  • the circulating water pipeline of the heating network includes the circulating water cold water pipeline of the heating network and the circulating water hot water pipeline of the heating network.
  • the water inlet of the heat insulation shell in the heat exchange area is connected, and the circulating water and hot water pipeline of the heat network is connected with the water outlet of the heat insulation shell in the heat exchange area.
  • a further improvement of the present invention is that the power transmission device includes an automatic gearbox and a steering transmission device connected in sequence.
  • a further improvement of the present invention is that the automatic gearbox is installed at the bottom of the vertical axis wind turbine, and can switch different speed ratios according to the rotation speed of the wind turbine shaft, so as to maintain the steering transmission device and the stirring heater to run smoothly at a constant speed.
  • a further improvement of the present invention is that one end of the steering transmission device is connected with the stirring heater in the horizontal direction, and the other end is connected with the automatic transmission in the vertical direction.
  • a further improvement of the present invention is that the circulating water and cold water pipes of the heating network are sequentially provided with a front valve of the circulating water pump, a circulating water pump and a rear valve of the circulating water pump.
  • a further improvement of the present invention lies in that a first water outlet valve is arranged on the circulating water and hot water pipeline of the heat network, and the outlet of the first water outlet valve is divided into two paths, one is the main water outlet pipe for heat exchange, and the other is connected to the outlet of the hot water storage tank.
  • the inlet, the outlet of the main heat exchange water outlet pipe and the outlet of the hot water storage tank are combined into one.
  • a further improvement of the present invention is that the inlet and outlet of the thermal storage tank are respectively provided with a thermal storage tank inlet valve and a thermal storage tank outlet valve.
  • a further improvement of the present invention is that the hot water storage tank is a vertical tank, the top of the tank is a water inlet, the bottom is a water outlet, and the outer shell of the tank body is provided with an insulating layer.
  • a further improvement of the present invention lies in that the stirring heating heater is filled with stirring heating medium and a blade group is installed.
  • a further improvement of the present invention is that the shell and the heat exchange area of the stirring heater are provided with an enhanced heat exchange design, which is used to improve the heat exchange efficiency of the circulating water and cold water and the stirring heating medium in the heat exchange area.
  • the invention provides a heat supply and storage system for a vertical-axis wind turbine based on stirring and heating.
  • the mechanical energy of the vertical-axis wind turbine is transmitted to the stirring and heating device through a power transmission device, and the stirring and heating device is driven to rotate and stir to convert the mechanical energy.
  • the internal energy of the stirring and heating working medium is generated, and the temperature of the circulating water and cold water in the heating network is increased for heating after the heat exchange with the stirring and heating working medium.
  • a hot water storage tank is installed, which can effectively improve the flexibility of the system.
  • the hot water in the hot water storage tank is released at the same time of normal heating to enhance the peak heating capacity.
  • the system adopts abandoned wind resources and is green and environmentally friendly. On the one hand, it greatly improves the energy utilization rate and also plays a certain role in maintaining the safety and stability of the power grid; on the other hand, the system has a simple structure, low equipment costs, and a short payback period.
  • the invention is based on various vertical axis wind turbines and stirring heaters, has wide applicability, can be widely used, has high system flexibility, has both heat supply and heat storage, and further improves energy utilization.
  • FIG. 1 is a schematic structural diagram of the system of the present invention.
  • a vertical axis wind turbine heat supply and storage system based on stirring heating includes a vertical axis wind turbine 1, an automatic gearbox 2, a steering transmission device 3, a stirring heater 4, Thermal insulation shell 5, front valve of circulating water pump 6, circulating water pump 7, rear valve of circulating water pump 8, first water outlet valve 9, heat storage tank inlet valve 10, hot water storage tank 11, heat storage tank outlet valve 12 and heat exchange outlet water Main pipe 13.
  • the automatic gearbox 2 is installed at the bottom of the vertical axis wind turbine 1, and can switch different speed ratios according to the speed of the rotating shaft of the wind turbine, so as to maintain the steering transmission device 3 and the stirring heater 4 at a constant and stable speed Operation, the type includes but is not limited to gear type, etc.
  • one end of the steering transmission device 3 is connected with the stirring heater 4 in the horizontal direction, and the other end is connected with the automatic transmission 2 in the vertical direction.
  • the automatic gearbox 2 is used in conjunction with the steering transmission device 3 to convert the rotation of the shaft of the vertical axis wind turbine 1 in the vertical direction into the rotation of the shaft of the stirring heater 4 in the horizontal direction.
  • the stirring heating medium 4 is filled with stirring heating medium and a blade set is installed.
  • the function is to convert the mechanical energy of rotation into the internal energy of the stirring heating medium. High temperature and large specific heat capacity, often in liquid or gaseous state.
  • the shell and heat exchange area of the stirring heater 4 can be equipped with an enhanced heat exchange design, which is used to improve the heat exchange efficiency of the circulating water and cold water in the heating network and the stirring heating medium.
  • the methods include but are not limited to installing Fins, design grooves, additional heat exchange pipes, etc.
  • the hot water storage tank 11 is a vertical tank, which can effectively reduce the heat loss generated by the inclined temperature layer in the tank compared with the horizontal tank.
  • the top of the tank is the water inlet, the bottom is the water outlet, and the tank shell Comes with insulation.
  • the equipments are connected by metal connecting rods or metal pipes.
  • the shaft of the vertical axis wind turbine 1 is driven by the wind to rotate in the vertical direction, the rotation is transmitted downward, and is converted into a stable rotation in the horizontal direction through the automatic gearbox 2 and the steering transmission device 3, and drives the stirring heater 4 to rotate and stir During this process, the stirring heating medium gradually absorbs heat and heats up.
  • This part of the energy transfer is wind energy-mechanical energy-internal energy of stirring and heating working fluid.

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  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

一种基于搅拌制热的垂直轴式风力机供蓄热系统，通过动力传动装置将垂直轴风力机（1）的机械能传递给搅拌制热器（4），带动搅拌制热器（4）旋转搅拌，将机械能转换成搅拌制热工质的内能，热网循环水冷水与搅拌制热工质热交换后温度升高用于供热。在此基础上加装蓄热水罐（11），能够有效提高系统的灵活性：当用户热需求较低时，过剩的热水存放于蓄热水罐（11），减少能量损失；当用户热需求提高时，在正常供热的同时释放蓄热水罐（11）中的热水，增强峰值供热能力。基于各式垂直轴风力机（1）和搅拌制热器（4），具有广泛适用性，系统灵活性高，供、蓄热兼备，提高能源利用率。

Description

一种基于搅拌制热的垂直轴式风力机供蓄热系统 技术领域
本发明属于新能源供热技术领域，具体涉及一种基于搅拌制热的垂直轴式风力机供蓄热系统。
背景技术
近年来我国大力发展风电产业，截至2020年底我国风电装机总量已超过2.2亿千瓦。与之相对应的是，部分地区已电力产能过剩，大量弃风导致能源浪费严重。同时，我国环境污染现状严峻，去除雾霾、净化空气已经刻不容缓。因此，本发明提出一种基于搅拌制热的垂直轴式风力机供蓄热系统，一方面可以充分利用弃风资源，节约可再生能源；另一方面，采用风能供热代替燃煤供热，有效降低空气污染，有利于绿色可持续发展。
目前也有个别通过风能进行供热的设计方案，如申请公布日为2019年1月22日，申请公布号为CN109253493A的中国专利中，公开了基于风电、储热和燃气协同供热的供暖系统。该发明主要核心部分是两路供热：一路采用风力机为电锅炉供电，再通过电锅炉的加热提供热水；另一路采用燃气锅炉直接加热提供热水。这种设计的缺陷主要有：首先，风能先转换成电能，再转换成热能，二次转换降低了能源利用率；其次，使用燃气锅炉加热提供热水，产生的燃气尾气会引起环境污染，并且供暖期间普遍存在燃气供应紧张问题，气源难以保证；再者，该系统设计过于复杂，新增设备较多，成本增加明显，投资回收期将大大延长。综上所述，对于风力供热而言，其设计应充分利用弃风能源，在保证能源转换效率的基础上尽可能结构简单，成本低廉，环境友好。
发明内容
本发明的目的是针对现有技术的上述问题，提供一种充分利用弃风资源、结构简单、成本不高的基于搅拌制热的垂直轴式风力机供蓄热系统。
为了解决上述技术问题，本发明采用的技术方案为：
一种基于搅拌制热的垂直轴式风力机供蓄热系统，包括垂直轴风力机、动力传动装置、搅拌制热器、蓄热水罐和热网循环水管道；
垂直轴风力机的转轴自底部通过动力传动装置连接至搅拌制热器的搅拌轴；热网循环水管道包括热网循环水冷水管道和热网循环水热水管道，热网循环水冷水管道与换热区保温外壳的进水口相连，热网循环水热水管道与换热区保温外壳的出水口相连接。
本发明进一步的改进在于，动力传动装置包括依次连接的自动变速箱和转向传动装置。
本发明进一步的改进在于，自动变速箱安装在垂直轴风力机的底部，能够根据风力机转轴转速的大小，切换不同的速比，用于维持转向传动装置和搅拌制热器匀速平稳运行。
本发明进一步的改进在于，转向传动装置一端与搅拌制热器在水平方向连接，另一端与自动变速器、在竖直方向连接。
本发明进一步的改进在于，热网循环水冷水管道上依次设置有循环水泵前阀门、循环水泵和循环水泵后阀门。
本发明进一步的改进在于，热网循环水热水管道上设置有第一出水阀门，第一出水阀门的出口分为两路，一路为换热出水主管道，另一路连接至蓄热水罐的进口，换热出水主管道的出口和蓄热水罐的出口合为一路。
本发明进一步的改进在于，蓄热水罐的进出口处分别设置有蓄热罐进水阀门和蓄热罐出水阀门。
本发明进一步的改进在于，蓄热水罐为立式罐，罐顶部为进水口，底部为出水口，罐体外壳附有保温层。
本发明进一步的改进在于，搅拌制热器内部充满搅拌制热工质并安装有叶片组。
本发明进一步的改进在于，搅拌制热器外壳和换热区附有强化换热设计，用于提高换热区热网循环水冷水和搅拌制热工质的换热效率。
本发明至少具有如下有益的技术效果：
本发明提供了一种基于搅拌制热的垂直轴式风力机供蓄热系统，通过动力传动装置将垂直轴风力机的机械能传递给搅拌制热器，带动搅拌制热器旋转搅拌，将机械能转换成搅拌制热工质的内能，热网循环水冷水与搅拌制热工质换热后温度升高用于供热。在此基础上加装了蓄热水罐，能够有效提高系统的灵活性，当用户热需求较低时，过剩的热水存放于蓄热水罐，减少能量损失；当用户热需求提高时，在正常供热的同时释放蓄热水罐中热水，增强峰值供热能力。该系统采用弃风资源，绿色环保，一方面大大提高了能源利用率，对维持电网的安全稳定也有一定作用；另一方面，该系统结构简单，设备成本较低，投资回收期较短。本发明基于各式垂直轴风力机和搅拌制热器，具有广泛适用性，能够大范围推广使用，系统灵活性高，供、蓄热兼备，进一步提高了能源利用率。
附图说明
图1是本发明系统的结构示意图。
附图标记说明：
1、垂直轴风力机，2、自动变速箱，3、转向传动装置，4、搅拌制热器，5、保温外壳，6、循环水泵前阀门，7、循环水泵，8、循环水泵后阀门，9、第一出水阀门，10、蓄热罐进水阀门，11、蓄热水罐，12、蓄热罐出水阀门，13、换热出水主管道。
具体实施方式
下文将以附图所示为例，对本发明一种基于搅拌制热的垂直轴式风力机供蓄热系统进行进一步的详细说明。
如图1所示，本发明提供的一种基于搅拌制热的垂直轴式风力机供蓄热系统，包括垂直轴风力机1、自动变速箱2、转向传动装置3、搅拌制热器4、保温外壳5、循环水泵前阀门6、循环水泵7、循环水泵后阀门8、第一出水阀门9、蓄热罐进水阀门10、蓄热水罐11、蓄热罐出水阀门12和换热出水主管道13。
如图1所示，自动变速箱2安装在垂直轴风力机1的底部，能够根据风力机转轴转速的大小，切换不同的速比，用于维持转向传动装置3和搅拌制热器4匀速平稳运行，型式包括但不限于齿轮式等。
如图1所示，转向传动装置3一端与搅拌制热器4在水平方向连接，另一端与自动变速器2在竖直方向连接，型式包括但不限于齿轮式等。
如图1所示，自动变速箱2配合转向传动装置3使用，作用是将垂直轴风力机1转轴沿竖直方向的旋转转换成搅拌制热器4转轴沿水平方向的旋转。
如图1所示，搅拌制热器4内部充满搅拌制热工质并安装有叶片组，作用是将旋转的机械能转换为搅拌制热工质的内能，所用搅拌制热工质应具有耐高温、比热容大的特性，常为液态或气态。
如图1所示，搅拌制热器4外壳和换热区可附有强化换热设计，用于提高热网循环水冷水和搅拌制热工质的换热效率，方式包括但不限于加装翅片、设计凹槽、增设换热管道等。
如图1所示，蓄热水罐11为立式罐，相比于卧式罐，能够有效减少罐内斜温层产生的热损失，罐顶部为进水口，底部为出水口，罐体外壳附有保温层。
所述各设备之间由金属连杆或金属管道连接。
如图1所示，本发明提供的一种基于搅拌制热的垂直轴式风力机供蓄热系统，工作流程具体说明如下：
利用风力带动垂直轴风力机1转轴沿竖直方向转动，转动向下传递，经由自动变速箱2和转向传动装置3后转换成稳定的沿水平方向的转动，并带动搅拌制热器4旋转搅拌，在此 过程中搅拌制热工质逐渐吸热升温。该部分能量传递为风能——机械能——搅拌制热工质内能。
正常供热时，打开循环水泵前阀门6、循环水泵后阀门8、第一出水阀门9，关闭蓄热罐进水阀门10、蓄热罐出水阀门12，热网循环水冷水在循环水泵的作用下沿管道流入，流经换热区时，与搅拌制热工质隔着搅拌制热器4外壳进行热交换，热网循环水冷水不断被加热升温成为热网循环水热水，最后沿换热出水主管道13流出，在外部供热；
供热低谷时，打开循环水泵前阀门6、循环水泵后阀门8、第一出水阀门9、蓄热罐进水阀门10，关闭蓄热罐出水阀门12，热网循环水冷水在循环水泵的作用下沿管道流入，流经换热区时，与搅拌制热工质隔着搅拌制热器4外壳对流换热，热网循环水冷水不断被加热升温成为热网循环水热水，之后分为两路，一路经蓄热罐进水阀门10流入蓄热水罐11，待充满热水后完成蓄热，另一部分沿换热出水主管道13流出，在外部供热；
供热高峰时，打开循环水泵前阀门6、循环水泵后阀门8、第一出水阀门9、蓄热罐出水阀门12，关闭蓄热罐进水阀门10，热网循环水冷水在循环水泵的作用下沿管道流入，流经换热区时，与搅拌制热工质隔着搅拌制热器4外壳对流换热，热网循环水冷水不断被加热升温成为热网循环水热水，最后沿换热出水主管道13流出，在外部供热；同时，蓄热水罐11中的热水，经蓄热罐出水阀门12流出，作为补充热源在外部供热。

Claims (10)

  1. 一种基于搅拌制热的垂直轴式风力机供蓄热系统，其特征在于，包括垂直轴风力机(1)、动力传动装置、搅拌制热器(4)、蓄热水罐(11)和热网循环水管道；
    垂直轴风力机(1)的转轴自底部通过动力传动装置连接至搅拌制热器(4)的转轴；热网循环水管道包括热网循环水冷水管道和热网循环水热水管道，热网循环水冷水管道与换热区保温外壳(5)的进水口相连接，热网循环水热水管道与换热区保温外壳(5)的出水口相连接。
  2. 根据权利要求1所述的一种基于搅拌制热的垂直轴式风力机供蓄热系统，其特征在于，动力传动装置包括依次连接的自动变速箱(2)和转向传动装置(3)。
  3. 根据权利要求2所述的一种基于搅拌制热的垂直轴式风力机供蓄热系统，其特征在于，自动变速箱(2)安装在垂直轴风力机(1)的底部，能够根据风力机转轴转速的大小，切换不同的速比，用于维持转向传动装置(3)和搅拌制热器(4)匀速平稳运行。
  4. 根据权利要求2所述的一种基于搅拌制热的垂直轴式风力机供蓄热系统，其特征在于，转向传动装置(3)一端与搅拌制热器(4)在水平方向连接，另一端与自动变速器(2)、在竖直方向连接。
  5. 根据权利要求1所述的一种基于搅拌制热的垂直轴式风力机供蓄热系统，其特征在于，热网循环水冷水管道上依次设置有循环水泵前阀门(6)、循环水泵(7)和循环水泵后阀门(8)。
  6. 根据权利要求1所述的一种基于搅拌制热的垂直轴式风力机供蓄热系统，其特征在于，热网循环水热水管道上设置有第一出水阀门(9)，第一出水阀门(9)的出口分为两路，一路为换热出水主管道(13)，另一路连接至蓄热水罐(11)的进口，换热出水主管道(13)的出口和蓄热水罐(11)的出口合为一路。
  7. 根据权利要求6所述的一种基于搅拌制热的垂直轴式风力机供蓄热系统，其特征在于，蓄热水罐(11)的进出口处分别设置有蓄热罐进水阀门(10)和蓄热罐出水阀门(12)。
  8. 根据权利要求1所述的一种基于搅拌制热的垂直轴式风力机供蓄热系统，其特征在于， 蓄热水罐(11)为立式罐，罐顶部为进水口，底部为出水口，罐体外壳附有保温层。
  9. 根据权利要求1所述的一种基于搅拌制热的垂直轴式风力机供蓄热系统，其特征在于，搅拌制热器(4)内部充满搅拌制热工质并安装有叶片组。
  10. 根据权利要求1所述的一种基于搅拌制热的垂直轴式风力机供蓄热系统，其特征在于，搅拌制热器(4)外壳和换热区附有强化换热设计，用于提高热网循环水冷水和搅拌制热工质的换热效率。
PCT/CN2021/115641 2021-02-22 2021-08-31 一种基于搅拌制热的垂直轴式风力机供蓄热系统 WO2022174571A1 (zh)

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