WO2012016482A1 - 一种风能发热装置及风能发热烘干设备 - Google Patents

一种风能发热装置及风能发热烘干设备 Download PDF

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Publication number
WO2012016482A1
WO2012016482A1 PCT/CN2011/076144 CN2011076144W WO2012016482A1 WO 2012016482 A1 WO2012016482 A1 WO 2012016482A1 CN 2011076144 W CN2011076144 W CN 2011076144W WO 2012016482 A1 WO2012016482 A1 WO 2012016482A1
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Prior art keywords
air
wind energy
air duct
energy heating
wind
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PCT/CN2011/076144
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English (en)
French (fr)
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肖宏意
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Xiao Hongyi
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Publication of WO2012016482A1 publication Critical patent/WO2012016482A1/zh

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    • 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
    • F03D9/22—Wind motors characterised by the driven apparatus the apparatus producing heat
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60—Cooling or heating of wind motors
    • 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
    • F05B2260/221—Improvement of heat transfer
    • F05B2260/222—Improvement of heat transfer by creating turbulence
    • 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
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/10—Inorganic materials, e.g. metals
    • F05B2280/105—Copper
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to the field of wind energy heating, and more specifically to a wind energy heating device and a wind energy heating drying device.
  • the heating methods of various types of baking equipment in the industry mainly adopt the following three methods: heating wire or tube, gas furnace and diesel burner, and then blowing the wind with a fan to heat the wind and generate it by hot air.
  • the heat cycle acts on the processed objects of the conveyor belt. Since the heat required for baking the heating device is provided by a single heating element, and the wind energy in the circulating air passage is not fully utilized, the energy consumption is large and the production cost is high, which is not conducive to energy saving and environmental protection.
  • the technical problem to be solved by the present invention is to provide a wind energy heating device and a wind energy heating and drying device, which can fully utilize the circulating wind energy in the air duct without intermittent heating, increase energy utilization rate, reduce unit energy consumption, and reduce production cost. It is conducive to energy saving and environmental protection.
  • the wind energy heating device includes a duct and a fan, and the fan is connected to an air duct, and the air duct is provided with an air outlet and an air inlet, and the inner wall of the air duct is installed A copper metal piece having a surface on which a plurality of protrusions are provided.
  • the protrusions are in the shape of a hemisphere.
  • the outer wall of the air duct is provided with an insulating layer.
  • the air duct includes a air supply duct and a return air duct, and the protrusion is in a hemispherical shape.
  • the wind energy heating device further includes an auxiliary heating mechanism disposed in the air duct.
  • the present invention also provides a wind energy heating and drying device, comprising a conveyor belt and a wind energy heating device, the wind energy heating device comprising a duct and a fan, wherein the fan is connected to the air duct, and the air duct is provided with The tuyere and the air inlet, the inner wall of the air duct is provided with a copper metal piece, and the surface of the copper metal piece is provided with a plurality of hemispherical protrusions; the air outlet of the air channel heats the conveyor belt.
  • the protrusions are in the shape of a hemisphere.
  • the outer wall of the air duct is provided with an insulating layer.
  • the air duct includes a air supply duct and a return air duct.
  • the wind energy heating and drying device further comprises an auxiliary heating mechanism, the auxiliary heating mechanism being disposed in the air duct.
  • the fan is connected to the air duct, the air duct is provided with an air outlet and an air inlet, and the inner wall of the air duct is provided with a copper metal piece, and the surface of the copper metal piece is provided with a plurality of convex portions.
  • the kinetic energy is continuously converted into heat energy, so that the air temperature is continuously increased.
  • the atoms of the copper metal sheet on the inner wall of the air duct will continue to move irregularly, and the molecules, atoms and the like moving in the air will hit the copper metal sheet on the inner wall of the air duct, which will aggravate the irregular movement of the copper metal sheet atoms and promote the copper metal.
  • the atomic atom rapidly converts kinetic energy into heat energy and increases the temperature of the copper metal piece.
  • the copper metal piece transfers heat quickly to the air in contact with it by heat transfer, thereby raising the air temperature.
  • the wind energy heating device can fully utilize the circulating wind energy in the air duct without intermittent heat generation, increase the utilization rate of energy, reduce the unit energy consumption, reduce the production cost, and is beneficial to energy conservation and environmental protection.
  • the surface of the copper metal piece is provided with a plurality of protrusions, on the one hand, the collision area of the copper metal piece with the molecules and atoms in the air can be increased, and on the other hand, the protrusions can effectively enhance the friction between the flowing air and the copper metal piece. Accelerate energy conversion and increase air temperature in a short time.
  • the heat energy converted by the kinetic energy of the molecules of the air, the atoms, and the atoms of the copper metal sheet is continuously collected by the flowing air to raise the temperature of the air, and when the temperature reaches a certain level, it can be heated to the processed object.
  • the metal sheet of the wind energy heating device provided by the present invention is a copper metal sheet, which can effectively utilize the circulating wind energy in the air duct without interruption of heat, and at the same time economical and cost-saving.
  • the wind energy heating device provided by the present invention further includes an auxiliary heating mechanism, and the auxiliary heating mechanism is disposed in the air duct. If the wind energy heating device uses the circulating air energy in the air duct to continuously generate heat without the intermittent operation, the auxiliary heating can be started.
  • the mechanism which increases the temperature and speed of heating, makes the application of wind energy heating devices more widely.
  • the present invention also provides a wind energy heating and drying device, which uses the above-described wind energy heating device to apply the above-described wind energy heating device to a heat drying device.
  • FIG. 1 is a schematic structural view of a wind energy heating drying device using a wind energy heating device in the present invention
  • FIG. 2 is a schematic cross-sectional view of the wind energy heating and drying apparatus of FIG. 1, wherein the direction of the arrow is the flow direction of the wind;
  • Fig. 3 is a vertical sectional view of the wind energy heating and drying device of Fig. 1, wherein the direction of the arrow is the flow direction of the wind.
  • the wind energy heating device provided by the invention comprises a air duct, comprises a fan, and the fan is connected with the air duct.
  • the air duct is provided with an air outlet and an air inlet.
  • the inner wall of the air duct is provided with a copper metal piece, and the surface of the copper metal piece is provided with a plurality of Domed convex.
  • the outer wall of the air duct is provided with an insulation layer to prevent heat loss.
  • the air duct includes a supply air duct and a return air duct, and the inner wall of the air supply duct and the return air duct is provided with a copper metal piece, and the surface of the copper metal piece is provided with a hemispherical protrusion.
  • the wind energy heating device further includes an auxiliary heating mechanism, and the auxiliary heating mechanism is disposed in the air duct. If the wind energy heating device utilizes the circulating air energy in the air duct without the intermittent heat generation, the auxiliary heating mechanism can be activated to increase the heating temperature and speed, so that the wind energy heating device is more widely used.
  • FIG. 1 is a schematic structural view of a wind energy heating drying device using a wind energy heating device according to the present invention
  • FIG. 2 is a schematic cross-sectional view of the wind energy heating drying device in FIG. The direction of the arrow in the figure is the flow direction of the wind
  • Fig. 3 is a schematic diagram of the vertical section of the wind energy heating and drying device in Fig. 1, in which the direction of the arrow is the flow direction of the wind.
  • the wind energy heating and drying device comprises a conveyor belt 7 and a wind energy heating device.
  • the wind energy heating device comprises a duct and a fan 9, and the fan 9 is connected with the air duct, and the air duct is provided with an upper air outlet 6 and a lower air outlet.
  • the air duct includes a supply air duct 1 and a return air duct 12, and the inner wall of the air supply duct 1 and the return air duct 12 is provided with a copper metal piece 4, and the surface of the copper metal piece 4 is provided with a surface Domed convex.
  • the outer wall of the air duct is provided with an insulating layer 3 to prevent heat loss.
  • the air supply duct 1 branches into an upper air supply duct 5 and a lower air supply duct 8, an upper air outlet 6 connected to the upper air supply duct 5, and a lower air outlet 2 connected to the lower air supply duct 8
  • the conveyor belt 7 is heated.
  • the wind energy heating drying apparatus further includes an auxiliary heating mechanism 11 that is disposed in the air duct. If the wind energy heating device utilizes the circulating air energy in the air duct without the intermittent heat generation, the auxiliary heating mechanism can be activated to increase the heating temperature and speed, so that the wind energy heating device is more widely used.
  • the wind energy heating device provided by the present invention can be applied to a plurality of different types of hot air drying devices, hot air setting devices, hot air baking devices, and the like, and details are not described herein.
  • the working principle of the wind energy heating drying device provided by the invention is as follows:
  • the atoms of the copper metal sheet on the inner wall of the air duct will continue to move irregularly, and the molecules, atoms and the like moving in the air will hit the copper metal sheet on the inner wall of the air duct, which will aggravate the irregular movement of the copper metal sheet atoms and promote the copper metal.
  • the atomic atom rapidly converts kinetic energy into heat energy and increases the temperature of the copper metal piece.
  • the copper metal piece transfers heat quickly to the air in contact with it by heat transfer, thereby raising the air temperature. Due to the continuous blasting of the fan, a large number of molecules, atoms and the like in the air continuously collide with or impact the copper metal piece, and the energy conversion process of kinetic energy into heat energy continues to occur. Therefore, the flowing air is continuously obtained from the energy conversion.
  • the heat increases the temperature, and the heat transferred from the copper metal piece, the temperature of the air reaching the air outlet will be significantly higher than that of the air inlet.
  • the surface of the copper metal piece is provided with a plurality of protrusions, on the one hand, the collision area of the copper metal piece with the molecules and atoms in the air can be increased, and on the other hand, the protrusions can effectively enhance the friction between the flowing air and the copper metal piece. Accelerate energy conversion and increase air temperature in a short time.
  • the heat energy converted by the kinetic energy of the molecules of the air, the atoms, and the atoms of the copper metal sheet is continuously collected by the flowing air to raise the temperature of the air, and when the temperature reaches a certain level, it can be heated to the processed object.
  • the wind energy heating and drying device provided by the invention can fully utilize the circulating wind energy in the air duct without intermittent heat generation, increase the utilization rate of energy, reduce the unit energy consumption, reduce the production cost, and is beneficial to energy conservation and environmental protection.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Description

一种风能发热装置及风能发热烘干设备 技术领域
本发明涉及风能发热的领域，确切地说是指一种风能发热装置及风能发热烘干设备。
背景技术
目前，行业内的各类烘烤设备的发热方式主要采用下面三种方式：发热丝或管、瓦斯炉和柴油燃烧机，然后再用风机鼓风，将风加热，通过热风将其所产生的热量循环作用于输送网带的加工物件。由于烘烤加热设备所需的热量由单一发热体提供，而其循环风道内的风能未能充分加以利用，故所能耗大，生产成本较高，不利于节能环保。
发明内容
针对上述缺陷，本发明解决的技术问题在于提供一种风能发热装置及风能发热烘干设备，充分利用风道内循环风能而不间断发热，增加能源的利用率，降低单位能耗量，减少生产成本，有利于节能环保。
为了解决以上的技术问题，本发明提供的风能发热装置，包括风道、风机，所述风机与风道相连接，所述风道设置有出风口和吸风口，所述风道的内壁安装有紫铜金属片，所述紫铜金属片的表面设置有若干凸起。
优选地，所述凸起为半球形状。
优选地，所述风道的外壁设置有保温层。
优选地，所述风道包括送风风道和回风风道，所述凸起为半球形状。
优选地，所述风能发热装置还包括辅助加热机构，所述辅助加热机构设置在风道内。
另外，本发明还提供一种风能发热烘干设备，包括输送网带和风能发热装置，所述风能发热装置包括风道、风机，所述风机与风道相连接，所述风道设置有出风口和吸风口，所述风道的内壁安装有紫铜金属片，所述紫铜金属片的表面设置有若干半球形凸起；所述风道的出风口对所述输送网带加热。
优选地，所述凸起为半球形状。
优选地，所述风道的外壁设置有保温层。
优选地，所述风道包括送风风道和回风风道。
优选地，所述风能发热烘干设备还包括辅助加热机构，所述辅助加热机构设置在风道内。
本发明提供的风能发热装置，风机与风道相连接，所述风道设置有出风口和吸风口，所述风道的内壁安装有紫铜金属片，所述紫铜金属片的表面设置有若干凸起。根据分子热运动(布朗运动)的原理，空气中的大量分子、原子等都在进行无规则运动，物体的温度越高，粒子运动越剧烈。当风机在风道内鼓风时，空气在风道内流动，空气中的大量分子、原子等都在进行无规则运动，在无规则运动过程中，动能不断转化为热能，使空气温度不断提升，同时，风道内壁的紫铜金属片本身的原子也会不断进行无规则运动，而空气中运动的分子、原子等撞击风道内壁的紫铜金属片，加剧紫铜金属片原子的无规则运动，促使紫铜金属片原子快速将动能转化为热能而提高了紫铜金属片的自身温度，紫铜金属片通过热传递将热量迅速传递到与之接触的空气中，从而提升空气温度。由于风机不断鼓风，空气中的大量分子、原子等源源不断地自我碰撞或撞击紫铜金属片，动能转化为热能的能量转化过程持续不断地发生，因此，流动的空气由于不断从能量转化中获取热量而使温度提升，再加上从紫铜金属片传递出来的热量，空气的温度到达出风口处将会较进风处明显提高。与现有技术相比，风能发热装置，能够充分利用风道内循环风能而不间断发热，增加能源的利用率，降低单位能耗量，减少生产成本，有利于节能环保。
另外，由于紫铜金属片表面设置有若干凸起，一方面可以增加紫铜金属片与空气中分子、原子的撞击面积，另一方面，这些凸起可以有效增强流动的空气与紫铜金属片的摩擦，加速能量转化，短时间内可以提升空气温度。在上述过程中，空气的分子、原子以及紫铜金属片原子间动能所转化的热能被流动的空气不断收集来提高空气温度，当温度达到一定程度时，就可以加热于加工物件了。
特别地，本发明提供的风能发热装置的金属片为紫铜金属片，能够比较有效地能够充分利用风道内循环风能而不间断发热，同时经济节约、降低成本。
进一步地，本发明提供的风能发热装置还包括辅助加热机构，辅助加热机构设置在风道内，如果风能发热装置利用风道内循环风能而不间断发热的温度达不到工作要求时，可以启动辅助加热机构，提升加热的温度和速度，使得风能发热装置的应用更为广泛。
另外，本发明还提供一种风能发热烘干设备，采用了上述的风能发热装置，将上述的风能发热装置应用于热烘干设备中。
附图说明
图l为本发明中应用了风能发热装置的一种风能发热烘干设备的结构示意图；
图2为图l中风能发热烘干设备的横截面示意图，图中箭头方向为风的流动方向；
图3为图l中风能发热烘干设备的竖截面示意图，图中箭头方向为风的流动方向。
具体实施方式
为了本领域的技术人员能够更好地理解本发明所提供的技术方案，下面结合具体实施例进行阐述。
本发明提供的风能发热装置，包括风道、包括风机，风机与风道相连接，风道设置有出风口和吸风口，风道的内壁安装有紫铜金属片，紫铜金属片的表面设置有若干半球形凸起。风道的外壁设置有保温层，防止热量散失。
风道包括送风风道和回风风道，送风风道和回风风道的内壁安装有紫铜金属片，紫铜金属片的表面遍布设置有半球形凸起。
风能发热装置还包括辅助加热机构，辅助加热机构设置在风道内。如果风能发热装置利用风道内循环风能而不间断发热的温度达不到工作要求时，可以启动辅助加热机构，提升加热的温度和速度，使得风能发热装置的应用更为广泛。
请参见图l、图2、图3，图l为本发明中应用了风能发热装置的一种风能发热烘干设备的结构示意图；图2为图l中风能发热烘干设备的横截面示意图，图中箭头方向为风的流动方向；图3为图l中风能发热烘干设备的竖截面示意图，图中箭头方向为风的流动方向。
本发明提供的风能发热烘干设备，包括输送网带7和风能发热装置，风能发热装置包括风道、风机9，风机9与风道相连接，风道设置有上出风口6、下出风口2和吸风口10，风道包括送风风道l和回风风道12，送风风道l和回风风道12的内壁安装有紫铜金属片4，紫铜金属片4的表面遍布设置有半球形凸起。风道的外壁设置有保温层3，防止热量散失。送风风道1分叉为上送风风道5和下送风风道8，与上送风风道5相连的上出风口6和与下送风风道8相连的下出风口2对输送网带7加热。
风能发热烘干设备还包括辅助加热机构11，辅助加热机构11设置在风道内。如果风能发热装置利用风道内循环风能而不间断发热的温度达不到工作要求时，可以启动辅助加热机构，提升加热的温度和速度，使得风能发热装置的应用更为广泛。
本发明提供的风能发热装置可以应用于多种不同类型的热风烘干设备、热风定型设备、热风烘焙设备等，在此不再赘述。
本发明提供的风能发热烘干设备的工作原理如下：
根据分子热运动(布朗运动)的原理，空气中的大量分子、原子等都在进行无规则运动，物体的温度越高，粒子运动越剧烈。当风机在风道内鼓风时，空气在风道内流动，空气中的大量分子、原子等都在进行无规则运动，在无规则运动过程中，动能不断转化为热能，使空气温度不断提升，同时，风道内壁的紫铜金属片本身的原子也会不断进行无规则运动，而空气中运动的分子、原子等撞击风道内壁的紫铜金属片，加剧紫铜金属片原子的无规则运动，促使紫铜金属片原子快速将动能转化为热能而提高了紫铜金属片的自身温度，紫铜金属片通过热传递将热量迅速传递到与之接触的空气中，从而提升空气温度。由于风机不断鼓风，空气中的大量分子、原子等源源不断地自我碰撞或撞击紫铜金属片，动能转化为热能的能量转化过程持续不断地发生，因此，流动的空气由于不断从能量转化中获取热量而使温度提升，再加上从紫铜金属片传递出来的热量，空气的温度到达出风口处将会较进风处明显提高。
另外，由于紫铜金属片表面设置有若干凸起，一方面可以增加紫铜金属片与空气中分子、原子的撞击面积，另一方面，这些凸起可以有效增强流动的空气与紫铜金属片的摩擦，加速能量转化，短时间内可以提升空气温度。在上述过程中，空气的分子、原子以及紫铜金属片原子间动能所转化的热能被流动的空气不断收集来提高空气温度，当温度达到一定程度时，就可以加热于加工物件了。
与现有技术相比，本发明提供的风能发热烘干设备，能够充分利用风道内循环风能而不间断发热，增加能源的利用率，降低单位能耗量，减少生产成本，有利于节能环保。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

1．一种风能发热装置，包括风道、风机，所述风机与风道相连接，所述风道设置有出风口和吸风口，其特征在于，所述风道的内壁安装有紫铜金属片，所述紫铜金属片的表面设置有若干凸起。
2．根据权利要求l所述的风能发热装置，其特征在于，所述凸起为半球形状。
3．根据权利要求l所述的风能发热装置，其特征在于，所述风道的外壁设置有保温层。
4．根据权利要求l所述的风能发热装置，其特征在于，所述风道包括送风风道和回风风道。
5．根据权利要求l所述的风能发热装置，其特征在于，还包括辅助加热机构，所述辅助加热机构设置在风道内。
6．一种风能发热烘干设备，其特征在于，包括输送网带和风能发热装置，所述风能发热装置包括风道、风机，所述风机与风道相连接，所述风道设置有出风口和吸风口，所述风道的内壁安装有紫铜金属片，所述紫铜金属片的表面设置有若干凸起；所述风道的出风口对所述输送网带加热。
7．根据权利要求6所述的风能发热烘干设备，其特征在于，所述凸起为半球形状。
8．根据权利要求6所述的风能发热烘干设备，其特征在于，所述风道的外壁设置有保温层。
9．根据权利要求6所述的风能发热烘干设备，其特征在于，所述风道包括送风风道和回风风道。
10．根据权利要求6所述的风能发热烘干设备，其特征在于，还包括辅助加热机构，所述辅助加热机构设置在风道内。
PCT/CN2011/076144 2010-08-03 2011-06-22 一种风能发热装置及风能发热烘干设备 WO2012016482A1 (zh)

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