CN203248319U - All-weather-type wind power generation system - Google Patents
All-weather-type wind power generation system Download PDFInfo
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Abstract
本实用新型公开了一种全天候式风力发电系统，包括喇叭形风能收集器、用于沉积沙尘的沉积室、传输管、单向阀、储压室、汽轮发电机组和用于分配气流进入多台汽轮发电机组的分流管，所述喇叭形风能收集器设置在盛行风道上且大口正向迎风，所述沉积室位于喇叭形风能收集器后端，所述传输管布置于所述沉积室前方且与所述风能收集器尾部管道相通，所述传输管内安装所述单向阀，所述储压室一侧与所述传输管相连，另一侧通过多个所述分流管与所述汽轮发电机组连接。本实用新型有聚能效应，采用技术成熟效率高的汽轮机发电设备，风能利用率高；使风能直接成为可以远程输送的能量。
The utility model discloses an all-weather wind power generation system, which comprises a trumpet-shaped wind energy collector, a deposition chamber for depositing dust, a transmission pipe, a one-way valve, a pressure storage chamber, a steam turbine generator set and a The shunt pipes of multiple turbogenerators, the horn-shaped wind energy collector is arranged on the prevailing air duct with the large mouth facing the wind, the deposition chamber is located at the rear end of the horn-shaped wind energy collector, and the transmission pipe is arranged on the deposition The front of the chamber communicates with the tail pipe of the wind energy collector. The one-way valve is installed in the transmission pipe. The turbo-generator set is connected. The utility model has an energy gathering effect, adopts steam turbine power generation equipment with mature technology and high efficiency, and has a high utilization rate of wind energy; the wind energy can directly become energy that can be transported remotely.
Description
技术领域technical field
本实用新型涉及一种全天候式风力发电系统。The utility model relates to an all-weather wind power generation system.
背景技术Background technique
目前的风力发电设备都以风车为基础，伫立于空旷风大的地域，功率在几百至几千千瓦之间，当使用多台机组联网工作时能提供较大的电力输出。其优点是系统远比常规发电厂简单。Current wind power generation equipment is based on windmills, standing in open and windy areas, with a power of several hundred to several thousand kilowatts. When multiple units are used to work in a network, they can provide a large power output. The advantage is that the system is far simpler than conventional power plants.
由于现有系统受风力的空间、时间分布、风向、风速变化等影响,很难获得稳定的电力输出。当前风力发电尚存在如下一些技术问题:Because the existing system is affected by the spatial and temporal distribution of wind force, wind direction, and wind speed changes, it is difficult to obtain stable power output. At present, there are still some technical problems in wind power generation as follows:
1、风力发电机主要是水平轴式,风轮垂直安装,而且直径很大，一个阵列需要占用很大的土地面积；1. The wind turbines are mainly horizontal shaft type, the wind rotors are installed vertically, and the diameter is very large. An array needs to occupy a large land area;
2、风能利用率低，在风速过高时,出于安全考虑需关闭风力发电机，一般年利用小时仅200—3000小时左右,远低于水电；2. The utilization rate of wind energy is low. When the wind speed is too high, it is necessary to shut down the wind turbine for safety reasons. Generally, the annual utilization hours are only about 200-3000 hours, which is far lower than that of hydropower;
3、在现有技术条件下,叶片长度、塔架高度、风速范围都有一定限制,致使单机只能达到几兆瓦(MW)的功率水平。3. Under the existing technical conditions, the length of the blades, the height of the tower, and the range of wind speed are all limited, so that a single machine can only reach a power level of several megawatts (MW).
发明内容Contents of the invention
为了克服现有的风能发电机占地面积大、风能利用率低等缺点，本实用新型提供一种全天候式风力发电系统。In order to overcome the shortcomings of existing wind power generators such as large floor area and low utilization rate of wind energy, the utility model provides an all-weather wind power generation system.
本实用新型采用的技术方案是：The technical scheme that the utility model adopts is:
全天候式风力发电系统，其特征在于：包括喇叭形风能收集器、用于沉积沙尘的沉积室、传输管、单向阀、储压室、汽轮发电机组和用于分配气流进入多台汽轮发电机组的分流管，所述喇叭形风能收集器设置在盛行风道上且大口正向迎风，所述沉积室位于喇叭形风能收集器后端，所述传输管布置于所述沉积室前方且与所述风能收集器尾部管道相通，所述传输管内安装所述单向阀，所述储压室的一侧与所述传输管相连，另一侧通过多个所述分流管与所述汽轮发电机组连接。The all-weather wind power generation system is characterized in that it includes a trumpet-shaped wind energy collector, a deposition chamber for depositing sand and dust, a transmission pipe, a one-way valve, a pressure storage chamber, a turbine generator set and a device for distributing air flow into multiple steam turbines The shunt pipe of the turbine generator set, the horn-shaped wind energy collector is arranged on the prevailing air duct with the large mouth facing the wind, the deposition chamber is located at the rear end of the horn-shaped wind energy collector, the transmission pipe is arranged in front of the deposition chamber and It communicates with the tail pipe of the wind energy collector, the one-way valve is installed in the transmission pipe, one side of the pressure storage chamber is connected with the transmission pipe, and the other side is connected with the steam flow through a plurality of the distribution pipes. Turbine connection.
进一步，所述分流管上设置有用于控制进入所述汽轮发电机组的流量的节流阀。Further, the shunt pipe is provided with a throttling valve for controlling the flow entering the turbogenerator set.
进一步，所述喇叭形风能收集器的纵截面为双曲线母线构成的光滑曲面，可依据地形做成整圆形或非整圆形。Furthermore, the longitudinal section of the trumpet-shaped wind energy collector is a smooth curved surface formed by a hyperbolic generatrix, which can be made into a full circle or a non-full circle according to the terrain.
进一步，所述喇叭形风能收集器的个数可以是一个或多个。Further, the number of horn-shaped wind energy collectors may be one or more.
进一步，所述沉积室为一个带有下陷腔室的迷宫式空腔，所述空腔内设置有隔板，所述隔板横向交错设置构成S形的风流通道。Further, the deposition chamber is a labyrinth cavity with sunken chambers, and partitions are arranged in the cavity, and the partitions are arranged transversely and staggered to form an S-shaped wind flow channel.
进一步，所述传输管为内壁光滑的管状体，采用金属管道或钢筋水泥结构制成。Further, the transmission pipe is a tubular body with a smooth inner wall, made of a metal pipe or a reinforced concrete structure.
进一步，所述单向阀由多组具有单向通过特性的阀门并列构成。Further, the one-way valve is composed of multiple sets of valves with one-way passage characteristics arranged in parallel.
进一步，所述的储压室包括单个或多个罐状体。Further, the pressure storage chamber includes a single or multiple tank-shaped bodies.
本实用新型所述喇叭形风能收集器可依据山体构建，其形式类似于大型公路隧道，应选择常年具有较大盛行风的地域构建,也可由多个隧道并联构成，其纵剖面采用双曲线轮廓可使风力在管道内流动聚焦时的能量损失最小；所述沉积室为一个带有下陷腔室的大型迷宫式空腔，它利用沙尘运动惯性较空气大的原理将沙尘收集于空腔内起到净化空气的作用；所述传输管为大型内壁光滑的管状体，可以采用金属管道或钢筋水泥结构建造；所述储压室为一大型容器，其作用类似于蓄水池，能够稳定输出至汽轮发电机组的风压和流速，应具备相应的耐压能力和与工作流量相匹配的容积；所述单向阀为一组具有单向通过特性的阀门，只允许风进入储压室而不会反向泄漏；所述分流管是由储压室通向各汽轮发电机组的管道，可通过其上安装的节流阀控制或关闭流向汽轮发电机组的工作气流，进而控制汽轮发电机组的工作状态。The trumpet-shaped wind energy collector of the utility model can be constructed according to the mountain body, and its form is similar to a large highway tunnel. It should be constructed in an area with relatively large prevailing wind all the year round. It can also be composed of multiple tunnels connected in parallel, and its longitudinal section adopts a hyperbolic contour. It can minimize the energy loss when the wind force flows in the pipeline; the deposition chamber is a large labyrinth cavity with a sunken chamber, which collects the dust in the cavity by using the principle that the motion inertia of sand and dust is greater than that of air The interior plays the role of purifying the air; the transmission pipe is a large tubular body with a smooth inner wall, which can be constructed with metal pipes or reinforced concrete structures; the pressure storage chamber is a large container, which acts like a reservoir and can stabilize The wind pressure and flow rate output to the turbogenerator set should have corresponding pressure resistance and volume matching the working flow; the one-way valve is a set of valves with one-way passage characteristics, only allowing the wind to enter the storage pressure chamber without reverse leakage; the shunt pipe is a pipe leading from the pressure storage chamber to each turbogenerator set, and the throttle valve installed on it can control or close the working airflow flowing to the turbogenerator set, and then control The working status of the steam turbine generator set.
本实用新型由于采用了双曲线轮廓的喇叭形风能收集器，并通过单向阀导入储压室，所收集的风能可以通过分流管进行远距离输送，使风能发电装置有可能采用高效成熟的汽轮发电机组来实现；储压室和分流管的配置可使系统在宽阔的风速范围内正常工作，解决了高风速时风能无法利用的问题。Because the utility model adopts a trumpet-shaped wind energy collector with a hyperbolic contour, and is introduced into a pressure storage chamber through a one-way valve, the collected wind energy can be transported for a long distance through a shunt pipe, so that it is possible for the wind energy generating device to use efficient and mature steam It is realized by a turbine generator set; the configuration of the pressure storage chamber and the shunt pipe can make the system work normally in a wide range of wind speeds, and solve the problem that wind energy cannot be utilized at high wind speeds.
按本实用新型所构建的风力发电系统，其喇叭形风能收集器可以布置于常年具有较大盛行风的区域，而发电机组则可以布置于环境相对较好有利于并网输电的地方，通过对分流管上节流阀的调节可以方便的根据风力大小调节发电量，使发电装置能适应很宽的风速范围，大幅度提高风能的利用率。According to the wind power generation system constructed by the utility model, its trumpet-shaped wind energy collector can be arranged in an area with relatively large prevailing wind all the year round, and the generating set can be arranged in a place where the environment is relatively good and is conducive to grid-connected power transmission. The adjustment of the throttle valve on the shunt pipe can conveniently adjust the power generation according to the wind force, so that the power generation device can adapt to a wide range of wind speeds and greatly improve the utilization rate of wind energy.
本实用新型的工作原理是：The working principle of the utility model is:
当风能流入喇叭形风能收集器后，由于其面积的收缩，流速随之加大，其规律符合流体的连续性理论，即流过截面积S的流体与其流速V之间有如下关系:When wind energy flows into the trumpet-shaped wind energy collector, due to the shrinkage of its area, the flow velocity increases accordingly, and its law conforms to the continuity theory of fluid, that is, the relationship between the fluid flowing through the cross-sectional area S and its flow velocity V is as follows:
S1×V1=S2×V2 S 1 ×V 1 =S 2 ×V 2
高流速的风能夹带着部分沙尘进入喇叭形风能收集器的后端管道，由于管道直接通向沉积室，在沉积室内迷宫式流道的大阻力作用下，气流速度迅速下降压力升高，后继气流将从传输管流通。由于夹杂在气流中的沙尘密度较空气大得多，在前期加速后不能快速转向而会冲入沉积室并逐步落入底层。除尘后的高速高压气流通过传输管和单向阀进入储压室并在其中积累形成较为稳定的压力，分流管和节流阀共同组成控制装置，在储压室内形成满足要求的压力后，打开并调节节流阀即可向汽轮发电机组提供高速气流驱动汽轮机工作。系统可根据风力大小适时调节节流阀的开度和打开数量来调整汽轮发电机组的工作，实现了全天候发电的目的。The high-velocity wind energy carries part of the sand and dust into the rear pipe of the trumpet-shaped wind energy collector. Since the pipe directly leads to the deposition chamber, under the action of the large resistance of the labyrinth flow channel in the deposition chamber, the airflow speed drops rapidly and the pressure rises. Air flow will flow from the transfer tube. Because the density of sand and dust mixed in the airflow is much higher than that of air, it cannot turn quickly after the early acceleration, but will rush into the deposition chamber and gradually fall to the bottom layer. The high-speed and high-pressure airflow after dust removal enters the pressure storage chamber through the transmission pipe and the one-way valve and accumulates in it to form a relatively stable pressure. The shunt pipe and the throttle valve together form the control device. And adjust the throttle valve to provide high-speed airflow to the turbogenerator to drive the steam turbine to work. The system can timely adjust the opening degree and number of openings of the throttle valve according to the wind force to adjust the work of the turbogenerator set, realizing the purpose of generating electricity around the clock.
本实用新型的有益效果体现在：The beneficial effects of the utility model are reflected in:
1、有聚能效应，风能利用率高；1. It has energy-gathering effect and high utilization rate of wind energy;
2、使风能直接成为可以远程输送的能量；2. Make wind energy directly become energy that can be transmitted remotely;
3、可采用技术成熟效率高的汽轮机发电设备；3. Steam turbine power generation equipment with mature technology and high efficiency can be used;
4、具有更宽的风速适应性，使全天候风力发电成为可能。4. Wider wind speed adaptability, making all-weather wind power generation possible.
附图说明Description of drawings
图1是本实用新型整体结构示意图。Fig. 1 is a schematic diagram of the overall structure of the utility model.
具体实施方式Detailed ways
参照图1，全天候式风力发电系统，包括喇叭形风能收集器1、用于沉积沙尘的沉积室2、传输管3、单向阀4、储压室5、汽轮发电机组8和用于分配气流进入多台汽轮发电机组8的分流管6，所述喇叭形风能收集器1设置在盛行风道上且大口正向迎风，所述沉积室2位于喇叭形风能收集器1后端，所述传输管3布置于所述沉积室2前方且与所述风能收集器1尾部管道相通，所述传输管3内安装所述单向阀4，所述储压室5的一侧与所述传输管3相连，另一侧通过多个所述分流管6与所述汽轮发电机组8连接。Referring to Fig. 1, the all-weather wind power generation system includes a horn-shaped wind energy collector 1, a deposition chamber 2 for depositing dust, a transmission pipe 3, a one-way valve 4, a pressure storage chamber 5, a steam turbine generator set 8 and a Distributing air flow enters the shunt pipe 6 of multiple turbogenerator sets 8, the horn-shaped wind energy collector 1 is arranged on the prevailing air duct and has a large mouth facing the wind, and the deposition chamber 2 is located at the rear end of the horn-shaped wind energy collector 1, so The transmission pipe 3 is arranged in front of the deposition chamber 2 and communicates with the tail pipe of the wind energy collector 1. The one-way valve 4 is installed in the transmission pipe 3, and one side of the pressure storage chamber 5 is connected to the The transmission pipe 3 is connected, and the other side is connected with the turbogenerator set 8 through a plurality of said shunt pipes 6 .
进一步，所述分流管6上设置有用于控制进入所述汽轮发电机组8的流量的节流阀7。Further, the shunt pipe 6 is provided with a throttle valve 7 for controlling the flow entering the turbogenerator set 8 .
进一步，所述喇叭形风能收集器1的纵截面为双曲线母线构成的光滑曲面，可依据地形做成整圆形或非整圆形。Further, the longitudinal section of the trumpet-shaped wind energy collector 1 is a smooth curved surface formed by a hyperbolic generatrix, which can be made into a full circle or a non-full circle according to the terrain.
进一步，所述喇叭形风能收集器1的个数可以是一个或多个。Further, the number of horn-shaped wind energy collectors 1 may be one or more.
进一步，所述沉积室2为一个带有下陷腔室的迷宫式空腔，所述空腔内设置有隔板9，所述隔板9横向交错设置构成S形的风流通道。Further, the deposition chamber 2 is a labyrinth cavity with sunken chambers, and partitions 9 are arranged in the cavity, and the partitions 9 are arranged transversely and staggered to form an S-shaped wind flow channel.
进一步，所述传输管3为内壁光滑的管状体，采用金属管道或钢筋水泥结构制成。Further, the transmission pipe 3 is a tubular body with a smooth inner wall, which is made of a metal pipe or a reinforced concrete structure.
进一步，所述单向阀4由多组具有单向通过特性的阀门并列构成。Further, the one-way valve 4 is composed of multiple sets of valves with one-way passage characteristics arranged in parallel.
进一步，所述的储压室5包括单个或多个罐状体。Further, the pressure storage chamber 5 includes a single or multiple tank-shaped bodies.
本实用新型所述喇叭形风能收集器1可依据山体构建，其形式类似于大型公路隧道，应选择常年具有较大盛行风的地域构建,也可由多个隧道并联构成，其纵剖面采用双曲线轮廓可使风力在管道内流动聚焦时的能量损失最小；所述沉积室2为一个带有下陷腔室的大型迷宫式空腔，它利用沙尘运动惯性较空气大的原理将沙尘收集于空腔内起到净化空气的作用；所述传输管3为大型内壁光滑的管状体，可以采用金属管道或钢筋水泥结构建造；所述储压室5为一大型容器，其作用类似于蓄水池，能够稳定输出至汽轮发电机组的风压和流速，应具备相应的耐压能力和与工作流量相匹配的容积；所述单向阀4为一组具有单向通过特性的阀门，只允许风进入储压室而不会反向泄漏；所述分流管6是由储压室通向各汽轮发电机组的管道，可通过其上安装的节流阀控制或关闭流向汽轮发电机组的工作气流，进而控制汽轮发电机组的工作状态。The trumpet-shaped wind energy collector 1 of the utility model can be constructed according to the mountain body, and its form is similar to a large road tunnel. It should be constructed in an area with relatively large prevailing wind all the year round. It can also be composed of multiple tunnels connected in parallel, and its longitudinal section adopts a hyperbola. The profile can minimize the energy loss when the wind is focused in the pipeline; the deposition chamber 2 is a large labyrinth cavity with a sunken chamber, which collects the dust in the The cavity plays the role of purifying the air; the transmission pipe 3 is a large tubular body with a smooth inner wall, which can be constructed with metal pipes or reinforced concrete structures; the pressure storage chamber 5 is a large container, and its function is similar to that of water storage The pool, which can stably output the wind pressure and flow rate to the turbogenerator set, should have a corresponding pressure resistance capacity and a volume that matches the working flow; the check valve 4 is a set of valves with one-way passing characteristics, only The wind is allowed to enter the pressure storage chamber without reverse leakage; the shunt pipe 6 is the pipeline leading from the pressure storage chamber to each turbo-generator set, and the flow to the turbo-generator set can be controlled or closed by the throttle valve installed on it. The working airflow, and then control the working state of the turbogenerator set.
本实用新型由于采用了双曲线轮廓的喇叭形风能收集器，并通过单向阀导入储压室，所收集的风能可以通过分流管进行远距离输送，使风能发电装置有可能采用高效成熟的汽轮发电机组来实现；储压室和分流管的配置可使系统在宽阔的风速范围内正常工作，解决了高风速时风能无法利用的问题。Because the utility model adopts a trumpet-shaped wind energy collector with a hyperbolic contour, and is introduced into a pressure storage chamber through a one-way valve, the collected wind energy can be transported for a long distance through a shunt pipe, so that it is possible for the wind energy generating device to use efficient and mature steam It is realized by a turbine generator set; the configuration of the pressure storage chamber and the shunt pipe can make the system work normally in a wide range of wind speeds, and solve the problem that wind energy cannot be utilized at high wind speeds.
按本实用新型所构建的风力发电系统，其喇叭形风能收集器可以布置于常年具有较大盛行风的区域，而发电机组则可以布置于环境相对较好有利于并网输电的地方，通过对分流管上节流阀的调节可以方便的根据风力大小调节发电量，使发电装置能适应很宽的风速范围，大幅度提高风能的利用率。According to the wind power generation system constructed by the utility model, its trumpet-shaped wind energy collector can be arranged in an area with relatively large prevailing wind all the year round, and the generating set can be arranged in a place where the environment is relatively good and is conducive to grid-connected power transmission. The adjustment of the throttle valve on the shunt pipe can conveniently adjust the power generation according to the wind force, so that the power generation device can adapt to a wide range of wind speeds and greatly improve the utilization rate of wind energy.
本实用新型的工作原理是：The working principle of the utility model is:
当风能流入喇叭形风能收集器后，由于其面积的收缩，流速随之加大，其规律符合流体的连续性理论，即流过截面积S的流体与其流速V之间有如下关系:When wind energy flows into the trumpet-shaped wind energy collector, due to the shrinkage of its area, the flow velocity increases accordingly, and its law conforms to the continuity theory of fluid, that is, the relationship between the fluid flowing through the cross-sectional area S and its flow velocity V is as follows:
S1×V1=S2×V2 S 1 ×V 1 =S 2 ×V 2
高流速的风能夹带着部分沙尘进入喇叭形风能收集器的后端管道，由于管道直接通向沉积室，在沉积室内迷宫式流道的大阻力作用下，气流速度迅速下降压力升高，后继气流将从传输管流通。由于夹杂在气流中的沙尘密度较空气大得多，在前期加速后不能快速转向而会冲入沉积室并逐步落入底层。除尘后的高速高压气流通过传输管和单向阀进入储压室并在其中积累形成较为稳定的压力，分流管和节流阀共同组成控制装置，在储压室内形成满足要求的压力后，打开并调节节流阀即可向汽轮发电机组提供高速气流驱动汽轮机工作。系统可根据风力大小适时调节节流阀的开度和打开数量来调整汽轮发电机组的工作，实现了全天候发电的目的。The high-velocity wind energy carries part of the sand and dust into the rear pipe of the trumpet-shaped wind energy collector. Since the pipe directly leads to the deposition chamber, under the action of the large resistance of the labyrinth flow channel in the deposition chamber, the airflow speed drops rapidly and the pressure rises. Air flow will flow from the transfer tube. Because the density of sand and dust mixed in the airflow is much higher than that of air, it cannot turn quickly after the early acceleration, but will rush into the deposition chamber and gradually fall to the bottom layer. The high-speed and high-pressure airflow after dust removal enters the pressure storage chamber through the transmission pipe and the one-way valve and accumulates in it to form a relatively stable pressure. The shunt pipe and the throttle valve together form the control device. And adjust the throttle valve to provide high-speed airflow to the turbogenerator to drive the steam turbine to work. The system can timely adjust the opening degree and number of openings of the throttle valve according to the wind force to adjust the work of the turbogenerator set, realizing the purpose of generating electricity around the clock.
本说明书实施例所述的内容仅仅是对发明构思的实现形式的列举，本实用新型的保护范围不应当被视为仅限于实施例所陈述的具体形式，本实用新型的保护范围也及于本领域技术人员根据本实用新型构思所能够想到的等同技术手段。The content described in the embodiments of this specification is only an enumeration of the implementation forms of the inventive concept, and the protection scope of the present utility model should not be regarded as limited to the specific forms stated in the embodiments, and the protection scope of the present utility model also extends to this invention. Equivalent technical means that those skilled in the art can think of according to the concept of the utility model.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122831A (en) * | 2013-03-20 | 2013-05-29 | 杭州师范大学 | All-weather wind power generation system |
| CN113357084A (en) * | 2021-07-06 | 2021-09-07 | 滨州学院 | Wind energy collector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122831A (en) * | 2013-03-20 | 2013-05-29 | 杭州师范大学 | All-weather wind power generation system |
| CN113357084A (en) * | 2021-07-06 | 2021-09-07 | 滨州学院 | Wind energy collector |
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