WO2021115221A1 - Low-altitude haze removal air conduction device and haze removal method thereof - Google Patents

Low-altitude haze removal air conduction device and haze removal method thereof Download PDF

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WO2021115221A1
WO2021115221A1 PCT/CN2020/134203 CN2020134203W WO2021115221A1 WO 2021115221 A1 WO2021115221 A1 WO 2021115221A1 CN 2020134203 W CN2020134203 W CN 2020134203W WO 2021115221 A1 WO2021115221 A1 WO 2021115221A1
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air
haze
tower
heat
low
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黄超
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黄超
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G15/00Devices or methods for influencing weather conditions
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

A low-altitude haze removal air conduction device and a haze removal method thereof. The low-altitude haze removal air conduction device comprises an air path conduction module and an air energy input module arranged on the air path conduction module, wherein the air path conduction module comprises an air path input end and an air path output end, the air path output end is higher than the air path input end, the air path output end faces a free atmosphere area, and the height range of the air path output end is 100-1500 meters. The haze removal method comprises the specific steps: starting the air energy input module, and guiding low-altitude haze air into the air path conduction module by means of the air path input end; and then guiding the haze air to reach the air path output end of the air path conduction module, and discharging the haze air to the free atmosphere area with high dilution capacity by means of the air path output end. Three-dimensional diffusion of the haze air can be effectively promoted, the diffusion efficiency of the haze air is improved, and urban haze weather is effectively relieved; and the heat island effect of cities can be prevented in summer, and heat dissipation in urban areas in summer is facilitated.

Description

一种低空除霾的空气传导装置及其除霾方法Low-altitude air conduction device for removing haze and method for removing haze
本申请要求于2019年12月9日提交中国专利局、申请号为CN201911251448.X、申请名称为一种低空除霾的空气传导装置及其除霾方法的中国专利申请的优先权,其全部内容通过引用结合在本申请中。This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on December 9, 2019, the application number is CN201911251448.X, and the application name is a low-altitude air conduction device for removing haze and its method for removing haze, and its entire content Incorporated in this application by reference.
技术领域Technical field
本申请实施例涉及城市除霾系统领域,尤指一种低空除霾的空气传导装置及其除霾方法。The embodiments of the present application relate to the field of urban haze removal systems, in particular to an air conduction device for low-altitude haze removal and a haze removal method thereof.
背景技术Background technique
公知的现象是冬天容易出现雾霾天气,但是,夏天城市排放到空气中的总污染颗粒物并不比冬天少很多,然而夏天却基本上没有雾霾天气。A well-known phenomenon is that haze weather is prone to occur in winter. However, the total pollutant particles emitted into the air by the city in summer are not much less than that in winter, but there is basically no haze weather in summer.
不难发现,季节性的气候温度原因是导致雾霾天气的主要原因。冬天北方寒流带来的低温冷空气由于密度大具有自然下沉地表的特点,冷空气会稳定沉降在市区地表附近,而市区正常生产活动产生的固体颗粒物被沉降的低温空气稳定约束在市区地表,这就大大压缩了市区固体颗粒物的排放高度和排放空间,导致存在于市区地表表面的空气污染物的浓度大增,因此冬天更容易形成雾霾天气。It is not difficult to find that seasonal climate and temperature are the main cause of haze weather. In winter, the low-temperature cold air brought by the northern cold current has the characteristics of naturally sinking to the surface due to its high density. The cold air will stably settle near the urban surface, while the solid particles produced by normal production activities in the urban area are stably constrained by the settled low-temperature air. District surface, which greatly compresses the discharge height and discharge space of urban solid particles, resulting in a large increase in the concentration of air pollutants existing on the urban surface, so it is easier to form haze weather in winter.
而且由于城市近年大量建筑活动,导致地表附近风力受市区建筑影响很大。但是城市上空300米以上的高度,风力受城市建筑的影响很小,风力也很稳定,稳定的风力对空气污染物的在高空区域快速扩散起着至关重要的作用。Moreover, due to a large number of construction activities in the city in recent years, the wind near the surface is greatly affected by the urban buildings. However, at altitudes above 300 meters above the city, the wind is little affected by urban buildings, and the wind is also very stable. Stable wind plays a vital role in the rapid spread of air pollutants in high-altitude areas.
现在冬天城市雾霾天气的缓解主要依赖北方寒流风力的作用将雾霾空气吹出市区。但是,冷空气密度大自然下沉地表的特性不会改变,雾霾空气只是在地表附近进行着低空横向移动,在风力的作用下雾霾空气仍然会稳定沉降在地表附近,从一个城市吹向另一个城市,空气污染物 仍然集中在地表附近的空间,排放高度、总的排放空间和扩散空间并没有得到扩展,空气污染物向高空区域(300米以上)扩散的能力并没有得有效利用。The mitigation of urban haze weather in winter now mainly depends on the effect of the northern cold current and wind to blow the haze air out of the urban area. However, the density of cold air will not change the nature of the sinking surface. The haze air only moves horizontally at low altitude near the surface. Under the action of the wind, the haze air will still settle steadily near the surface, blowing from a city to the surface. In another city, air pollutants are still concentrated in the space near the surface, the discharge height, total discharge space and diffusion space have not been expanded, and the ability of air pollutants to diffuse into high-altitude areas (above 300 meters) has not been effectively used.
此外,大气污染物、特别是PM2.5一般都集中在对流层低层,也就是距离地面1到1.5公里的位置,这一层也叫做大气边界层。In addition, atmospheric pollutants, especially PM2.5, are generally concentrated in the lower troposphere, that is, 1 to 1.5 kilometers from the ground. This layer is also called the atmospheric boundary layer.
大气边界层就是大气最底层,靠近地球表面、受地面摩擦阻力影响的大气层区域。大气流过地面时,地面上各种粗糙元,如草、沙粒、庄稼、树木、房屋等会使大气流动受阻,这种摩擦阻力由于大气中的湍流而向上传递,并随高度的增加而逐渐减弱,达到某一高度后便可忽略。此高度称为大气边界层厚度。大气边界层厚度随气象条件、地形、地面粗糙度而变化,大致为300~1000米。大气边界层之上称为自由大气。The atmospheric boundary layer is the lowest layer of the atmosphere, the area of the atmosphere that is close to the earth's surface and affected by frictional resistance on the ground. When a large air current passes over the ground, various rough elements on the ground, such as grass, sand, crops, trees, houses, etc., will hinder the flow of the atmosphere. This frictional resistance is transmitted upwards due to the turbulence in the atmosphere and increases with the height. It gradually weakens and can be ignored after reaching a certain height. This height is called the atmospheric boundary layer thickness. The thickness of the atmospheric boundary layer varies with weather conditions, topography, and ground roughness, and is roughly 300 to 1000 meters. Above the atmospheric boundary layer is called the free atmosphere.
在遭遇雾霾时,城市地表附近会出现低温雾霾层,这个低温雾霾层就好比是一个锅盖,将有害污染物“闷”在城市中,低温雾霾层处于大气边界层的最低部,即雾霾空气的实际能够扩散的主要高度在50-100米以下的区域,基本上扩散不到大气边界层的边界高度(300-1000米),一般只有达到大气边界层以上高度才是蓝天,空气质量才会出现明显的不同。而低温雾霾层以内,则是雾霾笼罩,就人类活动范围来说,雾霾浓度的差异几乎可以忽略不计。并且,在一天中的下午2点大气边界层最高,距离地面1.5至2公里,而在凌晨5点左右大气边界层可能降低至200至300米,也是除霾的黄金时间。(参考图1)When encountering haze, a low-temperature haze layer will appear near the surface of the city. This low-temperature haze layer is like a pot cover, which "suffers" harmful pollutants in the city. The low-temperature haze layer is at the lowest part of the atmospheric boundary layer. , That is, the area where the main height of the haze air that can actually diffuse is below 50-100 meters, basically less than the boundary height of the atmospheric boundary layer (300-1000 meters). Generally, the blue sky is only when it reaches the height above the atmospheric boundary layer. , The air quality will be significantly different. Within the low-temperature haze layer, it is covered by haze. As far as the range of human activities is concerned, the difference in haze concentration is almost negligible. In addition, the atmospheric boundary layer is highest at 2 o'clock in the afternoon of the day, 1.5 to 2 kilometers from the ground, and the atmospheric boundary layer may be reduced to 200 to 300 meters around 5 in the morning, which is also the golden time for haze removal. (Refer to Figure 1)
针对上述已有技术状况,本申请申请人做了大量反复而有益的探索,最终产品取得了有效的成果,并且形成了下面将要介绍的技术方案。In view of the above-mentioned existing technical situation, the applicant of this application has made a lot of repeated and beneficial explorations, and the final product has achieved effective results, and has formed the technical scheme to be introduced below.
申请内容Application content
为此,本申请提供一种低空除霾的空气传导装置及其除霾方法,以解决现有技术中由于冬天低温空气对固体颗粒物的沉降约束而导致雾霾的扩散性差,不利于人体呼吸健康的问题。For this reason, the present application provides a low-altitude air conduction device for removing haze and a method for removing haze, so as to solve the problem of poor diffusion of haze caused by the restriction of the sedimentation of solid particles by low-temperature air in winter in the prior art, which is not conducive to human respiratory health The problem.
为了实现上述目的,本申请提供如下技术方案:In order to achieve the above objectives, this application provides the following technical solutions:
一种基于低空除霾的空气传导装置,包括气路传导模块和设置在气路传导模块上的空气能量输入模块,所述气路传导模块包括气路输入端和气路输出端,所述气路输出端高于所述气路输入端,且气路输出端朝向自由大气区域;An air conduction device based on low-altitude removal of haze, comprising an air path conduction module and an air energy input module arranged on the air path conduction module. The air path conduction module includes an air path input end and an air path output end. The air path The output end is higher than the gas path input end, and the gas path output end faces the free atmosphere area;
所述气路传导模块的长度范围为50米至1500米。The length of the air path conduction module ranges from 50 meters to 1500 meters.
在上述技术方案的基础上,本申请还可以做如下改进:On the basis of the above technical solution, this application can also make the following improvements:
进一步地,所述气路输入端设有至少两个,且至少两个所述气路输入端分层设置在气路传导模块的不同高度处。Further, there are at least two gas path input ends, and at least two gas path input ends are arranged in layers at different heights of the gas path conduction module.
进一步地,所述气路传导模块为通风塔体,所述空气能量输入模块为塔风机,所述气路输入端为进风口,所述气路输出端为通风塔体的顶端出口。Further, the air path conduction module is a ventilation tower body, the air energy input module is a tower fan, the air path input end is an air inlet, and the air path output end is a top outlet of the ventilation tower body.
所述通风塔体设置在雾霾高发城市市区,通风塔体上设有所述进风口,所述进风口的内部设有所述塔风机,所述通风塔体的顶端出口与所述进风口相连通,用以利用塔风机将城市地表的高浓度雾霾空气通过进风口吸入通风塔体,进而由通风塔体的顶端出口排至自由大气区域。The ventilation tower is arranged in an urban area with a high incidence of smog, the ventilation tower is provided with the air inlet, the inside of the air inlet is provided with the tower fan, and the top outlet of the ventilation tower is connected to the inlet The air outlets are connected, and the tower fan is used to draw high-concentration haze air from the urban surface through the air inlet to the ventilation tower, and then discharge it to the free atmosphere area from the top outlet of the ventilation tower.
进一步地,所述气路传导模块为集热塔体,所述空气能量输入模块为吸热层,所述气路输入端为集热进气道,所述气路输出端为集热出气道。Further, the air path conduction module is a heat collection tower body, the air energy input module is a heat absorption layer, the air path input end is a heat collection air inlet, and the air path output end is a heat collection outlet air duct. .
所述集热塔体的底端设有所述集热进气道,集热塔体的顶端设有与所述集热进气道相连通的所述集热出气道,所述集热塔体的外壁涂设有所述吸热层,用以利用吸热层吸附太阳能热量,使得在集热塔体形成自然上升气流。The bottom end of the heat collection tower body is provided with the heat collection inlet, and the top end of the heat collection tower body is provided with the heat collection outlet that communicates with the heat collection inlet. The outer wall of the body is coated with the heat-absorbing layer, which is used to absorb solar heat by using the heat-absorbing layer, so that a natural updraft is formed in the heat-collecting tower body.
进一步地,所述气路传导模块为制热塔体,所述空气能量输入模块包括太阳能板以及与太阳能板相电连接的电热件,所述气路输入端为制热进气道,所述气路输出端为制热出气道。Further, the air path conduction module is a heating tower body, the air energy input module includes a solar panel and an electric heating element electrically connected to the solar panel, the air path input end is a heating inlet, the The output end of the air circuit is the heating air outlet.
所述制热塔体上设有所述制热进气道,集热塔体的顶端设有与所述制热进气道相连通的所述制热出气道,所述集热塔体的外壁设有至少一块太阳能板,集热塔体的内壁设有电热件,用以利用太阳能板吸附太阳 能热量发电,并最终将发出的电利用至集热塔体内壁的电热件上,以使得集热塔体的内部温度升高,从而形成用于促进地表的雾霾空气向上扩散的上升气流。The heating tower body is provided with the heating air inlet, the top end of the heating tower body is provided with the heating air outlet communicating with the heating air inlet, and the heating tower body The outer wall is provided with at least one solar panel, and the inner wall of the heat collection tower body is provided with electric heating elements, which are used to use the solar panels to absorb solar heat to generate electricity, and finally use the generated electricity to the electric heating elements on the inner wall of the heat collection tower to make the collector The internal temperature of the heating tower rises, thereby forming an updraft that promotes the upward diffusion of the haze air on the surface.
进一步地,所述气路传导模块为热管路塔体,所述空气能量输入模块采用与工业用煤、燃气的废热输出端相连通的导热管路,所述气路输入端为热管塔进气道,所述气路输出端为热管塔出气道。Further, the gas path conduction module is a heat pipe tower body, the air energy input module adopts a heat conduction pipe connected to the waste heat output end of industrial coal and gas, and the gas path input end is the heat pipe tower intake The outlet of the gas path is the outlet of the heat pipe tower.
所述热管路塔体上设有所述热管塔进气道,热管路塔体的顶端设有与所述热管塔进气道相连通的所述热管塔出气道,所述导热管路设置在所述热管路塔体的外壁和/或内壁上。The heat pipe tower body is provided with the heat pipe tower air inlet, the top of the heat pipe tower body is provided with the heat pipe tower air outlet communicating with the heat pipe tower air inlet, and the heat conduction pipeline is arranged at On the outer wall and/or inner wall of the heat pipe tower body.
进一步地,所述气路传导模块为附设在高建筑体上的导气管路,所述空气能量输入模块为管风机,所述气路输入端为管路进气端,所述气路输出端为管路出气端。Further, the air path conduction module is an air duct attached to a tall building, the air energy input module is a tube fan, the air path input end is the air inlet end of the pipe, and the air path output end It is the outlet end of the pipeline.
所述导气管路在不同高度处分别设有所述管路进气端,所述管路进气端上分别设有所述管风机,所述导气管路的顶端设有与各个所述管路进气端均相连通的所述管路出气端,用以在减少局部占地面积的同时,能够有效提升导气管路的分布范围及除霾的均匀性。The air guide pipeline is provided with the air inlet ends of the pipeline at different heights, the pipe fans are respectively arranged on the air inlet ends of the pipeline, and the top end of the air guide pipeline is provided with each of the pipes. The air outlet end of the pipeline, which is connected to the air inlet end, is used to effectively improve the distribution range of the air guide pipeline and the uniformity of haze removal while reducing the local area.
一种基于低空除霾的空气传导装置的除霾方法,包括以下步骤:A method for removing haze based on a low-altitude air conduction device for removing haze, including the following steps:
启动空气能量输入模块,将低空的雾霾空气经气路传导模块的气路输入端导入气路传导模块的内部。Start the air energy input module, and introduce the low-altitude haze air into the air path conduction module through the air path input end of the air path conduction module.
进而气路传导模块内部的雾霾空气导流到达气路传导模块的气路输出端,由气路输出端将雾霾空气排至高于低温雾霾层的高度。Furthermore, the haze air inside the air path conduction module is guided to the air path output end of the air path conduction module, and the air path output end discharges the haze air to a height higher than the low temperature haze layer.
进一步地,在城市大气边界层高度较低的时段,加大空气能量输入模块带来的通风量来提升雾霾空气的扩散效率,通过气路传导模块将地表的雾霾排至城市大气边界层以外的自由大气区域,以显著有效地缓解市区雾霾天气。Furthermore, in the period when the height of the urban atmospheric boundary layer is low, increase the ventilation caused by the air energy input module to improve the diffusion efficiency of the haze air, and discharge the haze on the surface to the urban atmospheric boundary layer through the air conduction module Outside the free atmosphere area, in order to significantly and effectively alleviate the urban haze weather.
进一步地,所述气路传导模块的底端设置为低于地面。Further, the bottom end of the air path conduction module is set lower than the ground.
本申请具有如下优点:This application has the following advantages:
该申请可通过空气能量输入模块将城市地表的高浓度雾霾空气通过 气路输入端吸入气路传导模块,进而由气路传导模块的气路输出端排至自由大气区域,将市区低空雾霾空气导入具有强大稀释能力的高空区域,能够有效促进雾霾空气的立体扩散,提升雾霾空气的扩散效率,以此有效缓解市区雾霾天气;同时还可在夏季防止城市的热岛效应,有助于促进夏天市区热量的散发。In this application, the high-concentration haze air on the urban surface can be sucked into the air conduction module through the air energy input module through the air energy input module, and then discharged to the free air area from the air output end of the air conduction module to remove low-altitude fog in the urban area. The introduction of haze air into high-altitude areas with strong dilution capacity can effectively promote the three-dimensional diffusion of haze air and improve the diffusion efficiency of haze air, thereby effectively alleviating the urban haze weather; at the same time, it can also prevent the urban heat island effect in summer. It helps to promote the heat dissipation in the urban area in summer.
附图说明Description of the drawings
为了更清楚地说明本申请的实施方式或现有技术中的技术方案,下面将对实施方式或现有技术描述中所需要使用的附图作简单地介绍。显而易见地,下面描述中的附图仅仅是示例性的,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据提供的附图引申获得其它的实施附图。In order to explain the embodiments of the present application or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary. For those of ordinary skill in the art, without creative work, other implementation drawings can be derived from the provided drawings.
本说明书所绘示的结构、比例、大小等,均仅用以配合说明书所揭示的内容,以供熟悉此技术的人士了解与阅读,并非用以限定本申请可实施的限定条件,故不具技术上的实质意义,任何结构的修饰、比例关系的改变或大小的调整,在不影响本申请所能产生的功效及所能达成的目的下,均应仍落在本申请所揭示的技术内容得能涵盖的范围内。The structure, ratio, size, etc. shown in this manual are only used to match the content disclosed in the manual for people familiar with this technology to understand and read. They are not used to limit the implementation conditions of this application, so they are not technical. The substantive meaning of the above, any structural modification, proportional relationship change or size adjustment, without affecting the effects and objectives that can be achieved by this application, should still fall within the technical content disclosed in this application. Can cover the range.
图1为本申请实施例基于现有城市雾霾的原理示意图;FIG. 1 is a schematic diagram of the principle of an embodiment of the application based on the existing urban haze;
图2为本申请实施例1的结构示意图;Figure 2 is a schematic structural diagram of Embodiment 1 of the application;
图3为本申请实施例2的结构示意图;FIG. 3 is a schematic structural diagram of Embodiment 2 of the application;
图4为本申请实施例3的结构示意图;4 is a schematic structural diagram of Embodiment 3 of the application;
图5为本申请实施例4的结构示意图;FIG. 5 is a schematic structural diagram of Embodiment 4 of the application;
图6为本申请实施例5的结构示意图;FIG. 6 is a schematic structural diagram of Embodiment 5 of the application;
图7为本申请实施例6的结构示意图。FIG. 7 is a schematic structural diagram of Embodiment 6 of this application.
附图中,各标号所代表的部件列表如下:In the drawings, the list of parts represented by each number is as follows:
大气边界层1、通风塔体2、进风口21、塔风机22、集热塔体3、吸热层31、集热进气道32、集热出气道33、制热塔体4、太阳能板41、电 热件42、制热进气道43、制热出气道44、热管路塔体5、导热管路51、热管塔进气道52、热管塔出气道53、高建筑体6、导气管路7、管路进气端71、管风机72、管路出气端73。Atmospheric boundary layer 1, ventilation tower body 2, air inlet 21, tower fan 22, heat collection tower body 3, heat absorption layer 31, heat collection air inlet 32, heat collection air outlet 33, heating tower body 4, solar panels 41. Electric heating element 42, heating air inlet 43, heating air outlet 44, heat pipe tower body 5, heat conduction pipe 51, heat pipe tower inlet 52, heat pipe tower air outlet 53, tall building 6, air duct Road 7, pipeline inlet 71, pipe fan 72, pipeline outlet 73.
具体实施方式Detailed ways
以下由特定的具体实施例说明本申请的实施方式,熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本申请的其他优点及功效,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。The following specific examples illustrate the implementation of this application. Those familiar with this technology can easily understand the other advantages and effects of this application from the content disclosed in this specification. Obviously, the described examples are part of the implementation of this application. , Not all examples. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.
实施例1Example 1
如图1-2所示,本申请实施例提供了一种基于低空除霾的空气传导装置,包括通风塔体2、进风口21和塔风机22,所述通风塔体2设置在雾霾高发城市市区,通风塔体2的底端均匀设有若干所述进风口21,所述进风口21的内部分别设有塔风机22,用以利用塔风机22将城市地表的高浓度雾霾空气通过进风口21吸入通风塔体2,进而由通风塔体2的顶端出口排至自由大气区域,将市区低空雾霾空气导入高空区域,促进雾霾空气的立体扩散,提升雾霾空气的扩散效率,以有效缓解市区雾霾天气;同时还可以在夏季防止城市的热岛效应,有助于促进夏天市区热量的散发。As shown in Figure 1-2, the embodiment of the present application provides an air conduction device based on low-altitude haze removal, including a ventilation tower body 2, an air inlet 21 and a tower fan 22. The ventilation tower body 2 is set at a high incidence of haze. In urban areas, the bottom end of the ventilation tower 2 is evenly provided with a number of the air inlets 21, and the inside of the air inlets 21 are respectively provided with a tower fan 22 to use the tower fan 22 to remove the high-concentration haze air on the urban surface. The ventilation tower body 2 is sucked in through the air inlet 21, and then discharged from the top outlet of the ventilation tower body 2 to the free atmosphere area, and the low-altitude haze air in the urban area is introduced into the high-altitude area, which promotes the three-dimensional diffusion of the haze air and enhances the diffusion of the haze air Efficiency, to effectively alleviate the urban haze weather; at the same time, it can also prevent the urban heat island effect in summer and help promote the heat dissipation in the urban area in summer.
所述通风塔体2的长度范围采用50~1500米。The length of the ventilation tower 2 ranges from 50 to 1500 meters.
优选地,所述通风塔体2的高度采用100米,可突破低温雾霾层,用以在地表雾霾不是太严重时,可提前对贴近地表附近空气进行净化,为城市制造一片干净的中低空间。Preferably, the height of the ventilation tower body 2 is 100 meters, which can break through the low-temperature haze layer, so that when the surface haze is not too serious, the air close to the surface can be purified in advance to create a clean center for the city. Low space.
优选地,所述通风塔体2的高度采用300米,用以在凌晨4~6点左右开启,此时城市大气边界层1的高度最低,地表的雾霾浓度也是一天中最大的,可借助该除霾黄金时段利用通风塔体2将地表的雾霾排至城市大气边界层1以外的自由大气区域,能够显著有效地缓解市区雾霾天 气。Preferably, the height of the ventilation tower body 2 is 300 meters to open around 4 to 6 in the morning. At this time, the height of the urban atmospheric boundary layer 1 is the lowest, and the haze concentration on the surface is also the largest in a day. During the prime time for removing haze, the ventilation tower 2 is used to discharge the haze on the surface to the free atmospheric area outside the urban atmospheric boundary layer 1, which can significantly and effectively alleviate the urban haze weather.
优选地,所述通风塔体2的高度采用1500米,用以使通风塔体2的顶端出口保持在城市大气边界层1的外部,可在任意雾霾出现时间将市区内的低空雾霾空气导入自由大气区域,促进雾霾空气的立体扩散,从而缓解市区雾霾。Preferably, the height of the ventilation tower body 2 is 1500 meters to keep the top exit of the ventilation tower body 2 outside the urban atmospheric boundary layer 1, which can remove the low-altitude haze in the urban area at any time when the haze occurs. The air is introduced into the free atmosphere area to promote the three-dimensional diffusion of the haze air, thereby alleviating the urban haze.
实施例2Example 2
在实施例2中,对于与实施例1中相同的结构,给予相同的符号,省略相同的说明,实施例2在实施例1的基础上做出了改进,如图3所示,所述进风口21分层设置在通风塔体2的外壁所处的不同高度处,其中最高处的所述进风口21位于所述通风塔体2的顶端出口外壁,由于空气的密度受温度影响大,所以雾霾空气会出现分层现象,因此不同高度的进风口21可以对不同高度的雾霾空气进行通风,也可在雾霾天气严重时优先排放和净化贴近地表附近的雾霾空气,或者根据不同时段开启不同高度上的进风口21内的塔风机22。In Embodiment 2, for the same structure as in Embodiment 1, the same symbols are given, and the same description is omitted. Embodiment 2 is improved on the basis of Embodiment 1, as shown in FIG. The air outlets 21 are arranged in layers at different heights of the outer wall of the ventilation tower body 2, wherein the highest air inlet 21 is located on the outer wall of the top outlet of the ventilation tower body 2. Since the density of air is greatly affected by temperature, The haze air will be stratified. Therefore, the air inlets 21 of different heights can ventilate the haze air of different heights. It can also give priority to the discharge and purification of the haze air close to the ground when the haze weather is severe, or according to different conditions. The tower fans 22 in the air inlets 21 at different heights are turned on at different times.
实施例3Example 3
在实施例3中,对于与实施例1中相同的结构,给予相同的符号,省略相同的说明,实施例3与实施例1有所不同的是,如图4所示,所述通风塔体2采用集热塔体3,所述集热塔体3的底端设有集热进气道32,集热塔体3的顶端设有与所述集热进气道32相连通的集热出气道33,所述集热塔体3的外壁均匀涂设有一层吸热层31,用以利用吸热层31吸附太阳能热量,使得在集热塔体3形成自然上升气流,以促进地表雾霾空气的扩散。In Embodiment 3, the same symbols are given to the same structure as in Embodiment 1, and the same description is omitted. The difference between Embodiment 3 and Embodiment 1 is that, as shown in FIG. 4, the ventilation tower 2 Adopt a heat collection tower body 3, the bottom end of the heat collection tower body 3 is provided with a heat collection inlet 32, and the top end of the heat collection tower body 3 is provided with a heat collection communicating with the heat collection inlet 32 At the air outlet 33, the outer wall of the heat collection tower body 3 is uniformly coated with a layer of heat absorption layer 31, which is used to absorb the solar heat by the heat absorption layer 31, so that a natural updraft is formed in the heat collection tower body 3 to promote surface fog The spread of haze air.
优选地,所述集热塔体3采用斜坡式外壁,用以利用阳光直射有效提升预定单位面积外壁与太阳光之间的吸热效率。Preferably, the heat collecting tower body 3 adopts a sloped outer wall to effectively improve the heat absorption efficiency between the outer wall of a predetermined unit area and the sunlight by using direct sunlight.
需要说明的是,吸热涂层包括但不限于黑铬涂层、黑镍涂层、黑钴涂层。It should be noted that the heat absorption coating includes, but is not limited to, black chrome coating, black nickel coating, and black cobalt coating.
实施例4Example 4
在实施例4中,对于与实施例1中相同的结构,给予相同的符号,省 略相同的说明,实施例4与实施例1有所不同的是,如图5所示,所述通风塔体2采用制热塔体4,所述制热塔体4的底端设有制热进气道43,集热塔体3的顶端设有与所述制热进气道43相连通的制热出气道44,所述集热塔体3的外壁均匀设置有一层太阳能板41,集热塔体3的内壁均匀设置有一层电热件42,所述太阳能板41经外部电转换模块后与所述电热件42相电连接,用以利用太阳能板41吸附太阳能热量发电,并最终将发出的电利用至集热塔体3内壁的电热件42上,以使得集热塔体3的内部温度升高,从而形成用于促进地表的雾霾空气向上扩散的上升气流。In Embodiment 4, the same symbols are given to the same structure as in Embodiment 1, and the same description is omitted. The difference between Embodiment 4 and Embodiment 1 is that, as shown in FIG. 5, the ventilation tower 2 Adopt a heating tower body 4, the bottom end of the heating tower body 4 is provided with a heating inlet passage 43, and the top end of the heat collection tower body 3 is provided with a heating inlet communicating with the heating inlet passage 43 At the air outlet 44, the outer wall of the heat collection tower body 3 is uniformly provided with a layer of solar panels 41, and the inner wall of the heat collection tower body 3 is uniformly provided with a layer of electric heating elements 42. The electric heating element 42 is electrically connected to use the solar panel 41 to absorb solar heat to generate electricity, and finally use the generated electricity to the electric heating element 42 on the inner wall of the heat collection tower body 3 to increase the internal temperature of the heat collection tower body 3 , Thereby forming an updraft that promotes the upward diffusion of the haze air on the surface.
所述电热件42包括但不限于电热管、电热片。The electric heating element 42 includes, but is not limited to, an electric heating tube and an electric heating fin.
实施例5Example 5
在实施例5中,对于与实施例1中相同的结构,给予相同的符号,省略相同的说明,实施例5与实施例1有所不同的是,如图6所示,所述通风塔体2采用热管路塔体5,所述热管路塔体5的底端设有热管塔进气道52,热管路塔体5的顶端设有与所述热管塔进气道52相连通的热管塔出气道53,所述热管路塔体5的外壁和/或内壁设置有若干条沿螺旋环状布置的导热管路51,所述导热管路51的输入端与工业用煤、燃气等产生的多余热量输出端相连通,用以使废热再利用,提高热管路塔体5内部的空气温度,进而形成上升气流。In Embodiment 5, for the same structure as in Embodiment 1, the same symbols are given, and the same description is omitted. The difference between Embodiment 5 and Embodiment 1 is that, as shown in FIG. 6, the ventilation tower body 2 Adopt a heat pipe tower body 5, the bottom end of the heat pipe tower body 5 is provided with a heat pipe tower inlet 52, and the top end of the heat pipe tower body 5 is provided with a heat pipe tower communicating with the heat pipe tower inlet 52 Outlet 53. The outer wall and/or inner wall of the heat pipe tower body 5 are provided with a number of heat-conducting pipes 51 arranged in a spiral ring shape. The input end of the heat-conducting pipe 51 is connected to industrial coal, gas, etc. The surplus heat output ends are connected to reuse the waste heat, increase the air temperature inside the heat pipe tower body 5, and then form an updraft.
实施例6Example 6
在实施例6中,对于与实施例1中相同的结构,给予相同的符号,省略相同的说明,实施例6与实施例1有所不同的是,如图7所示,将所述通风塔体2设置为附设在高建筑体6上的导气管路7,该所述导气管路7在不同高度处均设有管路进气端71,所述管路进气端71上分别设有管风机72,所述导气管路7的顶端设有与各管路进气端71均相连通的管路出气端73,用以在减少局部占地面积的同时,能够有效提升导气管路7的分布范围及除霾的均匀性。In Embodiment 6, for the same structure as in Embodiment 1, the same symbols are given, and the same description is omitted. The difference between Embodiment 6 and Embodiment 1 is that, as shown in FIG. 7, the ventilation tower The body 2 is set as an air guide tube 7 attached to the tall building body 6. The air guide tube 7 is provided with a pipeline air inlet 71 at different heights, and the pipeline air inlet 71 is respectively provided with Tube fan 72, the top end of the air guide pipe 7 is provided with a pipe air outlet 73 that is connected to the inlet end 71 of each pipeline, which is used to effectively lift the air guide pipe 7 while reducing the local area occupied. The distribution range and the uniformity of haze removal.
优选地,所述管路出气端73可直接与外部空气相连通,且管路出气 端73的所处高度范围采用100~300m,也可将管路出气端73连通至外部的除霾设备,以此实现对雾霾空气中的固体颗粒物实时清除。Preferably, the air outlet end 73 of the pipeline can be directly connected to the outside air, and the height range of the air outlet end 73 of the pipeline is 100-300m, and the air outlet end 73 of the pipeline can also be connected to the external haze removal equipment. In this way, the solid particles in the haze air can be removed in real time.
实施例7Example 7
在实施例7中,对于与实施例1中相同的结构,给予相同的符号,省略相同的说明,实施例7与实施例1有所不同的是,将所述通风塔体2的底端设置在地势低洼地段,由于冷空气有自然下沉的特性,所以空气会出现因温差不同而带来的分层效应,同一高度的空气密度基本相同,当通风管道将地势低洼地带地表附近的雾霾空气吸走之后,其他地势较高地段的冷空气会自然下沉到地势低洼地段,从而可以有效提高通风塔体2对地表雾霾的净化效率。In Example 7, for the same structure as in Example 1, the same symbols are given, and the same description is omitted. The difference between Example 7 and Example 1 is that the bottom end of the ventilation tower 2 is set In low-lying areas, because the cold air has the characteristics of natural sinking, the air will have a stratification effect due to the difference in temperature. The air density at the same height is basically the same. When the ventilation ducts reduce the smog near the surface of the low-lying area After the air is sucked away, the cold air in other higher-lying areas will naturally sink to low-lying areas, thereby effectively improving the purification efficiency of the ventilation tower 2 on the surface haze.
一种基于低空除霾的空气传导装置的除霾方法,包括以下步骤:A method for removing haze based on a low-altitude air conduction device for removing haze, including the following steps:
启动塔风机22,将市区低空的雾霾空气经通风塔体2的进风口21导入通风塔体2的内部,进而雾霾空气沿通风塔体2导流至低温雾霾层上方或者具有更强大稀释能力的自由大气区域,以促进雾霾空气的立体扩散,提升雾霾空气的扩散效率。Start the tower fan 22 to guide the low-altitude smog air in the urban area into the ventilation tower 2 through the air inlet 21 of the ventilation tower 2, and then the smog air is guided along the ventilation tower 2 to above the low-temperature haze layer or has a higher temperature. The free atmospheric area with strong dilution capacity can promote the three-dimensional diffusion of haze air and improve the diffusion efficiency of haze air.
当通风塔体2的高度为100米时,可突破低温雾霾层,在地表雾霾不是太严重时,可提前启动塔风机22对贴近地表附近空气进行净化,为城市制造一片干净的中低空间。When the height of the ventilation tower 2 is 100 meters, it can break through the low-temperature haze layer. When the haze on the surface is not too serious, the tower fan 22 can be activated in advance to purify the air near the surface, creating a clean medium-low for the city. space.
当通风塔体2的高度为300米时,在凌晨4~6点左右开启塔风机22,在大气边界层高度最低的时段利用通风塔体2将地表的雾霾排至城市大气边界层1以外的自由大气区域,以显著有效地缓解市区雾霾天气。When the height of the ventilation tower 2 is 300 meters, turn on the tower fan 22 at about 4 to 6 in the morning, and use the ventilation tower 2 to discharge the haze on the surface outside the urban atmospheric boundary layer 1 during the period when the height of the atmospheric boundary layer is the lowest. The free atmospheric area in order to significantly and effectively alleviate the urban haze weather.
当通风塔体2的高度为1500米时,可在任意的雾霾出现时间开启塔风机22,将市区内的低空雾霾空气导入自由大气区域。When the height of the ventilation tower body 2 is 1500 meters, the tower fan 22 can be turned on at any time when the haze occurs, and the low-altitude haze air in the urban area can be introduced into the free atmosphere area.
以上所述仅为本申请的较佳实施例,并不用以限制本申请,凡在本申请的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本申请的保护范围之内。The above descriptions are only preferred embodiments of this application and are not intended to limit this application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the protection of this application. Within range.

Claims (10)

  1. 一种基于低空除霾的空气传导装置,其特征在于:包括气路传导模块和设置在气路传导模块上的空气能量输入模块,所述气路传导模块包括气路输入端和气路输出端,所述气路输入端位于低温雾霾层以内,所述气路输出端朝向自由大气方向,所述气路输出端高于所述气路输入端;An air conduction device based on low-altitude haze removal, which is characterized in that it comprises an air path conduction module and an air energy input module arranged on the air path conduction module, the air path conduction module includes an air path input end and an air path output end, The gas path input end is located within the low-temperature haze layer, the gas path output end faces the free atmosphere, and the gas path output end is higher than the gas path input end;
    所述气路传导模块的长度范围为50米至1500米。The length of the air path conduction module ranges from 50 meters to 1500 meters.
  2. 如权利要求1所述的一种基于低空除霾的空气传导装置,其特征是,所述气路输入端设有至少两个,且至少两个所述气路输入端分层设置在气路传导模块的不同高度处。The air conduction device based on low-altitude haze removal according to claim 1, wherein at least two input ends of the air path are provided, and at least two input ends of the air path are arranged in layers in the air path. At different heights of the conduction module.
  3. 如权利要求1所述的一种基于低空除霾的空气传导装置,其特征是,所述气路传导模块为通风塔体,所述空气能量输入模块为塔风机,所述气路输入端为进风口,所述气路输出端为通风塔体的顶端出口;The air conduction device based on low-altitude haze removal according to claim 1, wherein the air conduction module is a ventilation tower body, the air energy input module is a tower fan, and the air input end is a tower fan. The air inlet, the output end of the gas path is the top outlet of the ventilation tower;
    所述通风塔体设置在雾霾高发城市市区,通风塔体上设有所述进风口,所述进风口的内部设有所述塔风机,所述通风塔体的顶端出口与所述进风口相连通,用以利用塔风机将城市地表的高浓度雾霾空气通过进风口吸入通风塔体,进而由通风塔体的顶端出口排至自由大气区域。The ventilation tower is arranged in an urban area with a high incidence of smog, the ventilation tower is provided with the air inlet, the inside of the air inlet is provided with the tower fan, and the top outlet of the ventilation tower is connected to the inlet The air outlets are connected, and the tower fan is used to draw high-concentration haze air from the urban surface through the air inlet to the ventilation tower, and then discharge it to the free atmosphere area from the top outlet of the ventilation tower.
  4. 如权利要求1所述的一种基于低空除霾的空气传导装置,其特征是,所述气路传导模块为集热塔体,所述空气能量输入模块为吸热层,所述气路输入端为集热进气道,所述气路输出端为集热出气道;The air conduction device based on low-altitude haze removal according to claim 1, wherein the air conduction module is a heat collecting tower body, the air energy input module is a heat absorption layer, and the air input The end is a heat collection inlet, and the output end of the gas path is a heat collection outlet;
    所述集热塔体的底端设有所述集热进气道,集热塔体的顶端设有与所述集热进气道相连通的所述集热出气道,所述集热塔体的外壁涂设有所述吸热层,用以利用吸热层吸附太阳能热量,使得在集热塔体形成自然上升气流。The bottom end of the heat collection tower body is provided with the heat collection inlet, and the top end of the heat collection tower body is provided with the heat collection outlet that communicates with the heat collection inlet. The outer wall of the body is coated with the heat-absorbing layer, which is used to absorb solar heat by using the heat-absorbing layer, so that a natural updraft is formed in the heat-collecting tower body.
  5. 如权利要求1所述的一种基于低空除霾的空气传导装置,其特征是,所述气路传导模块为制热塔体,所述空气能量输入模块包括太阳能板以及与太阳能板相电连接的电热件,所述气路输入端为制热进气道,所述气路输出端为制热出气道;The air conduction device based on low-altitude haze removal according to claim 1, wherein the air conduction module is a heating tower body, and the air energy input module includes a solar panel and is electrically connected to the solar panel In the electric heating element, the gas circuit input end is a heating air inlet, and the gas circuit output end is a heating air outlet;
    所述制热塔体上设有所述制热进气道,集热塔体的顶端设有与所述制热进气道相连通的所述制热出气道,所述集热塔体的外壁设有至少一块太阳能板,集热塔体的内壁设有电热件,用以利用太阳能板吸附太阳能热量发电,并最终将发出的电利用至集热塔体内壁的电热件上,以使得集热塔体的内部温度升高,从而形成用于促进地表的雾霾空气向上扩散的上升气流。The heating tower body is provided with the heating air inlet, the top end of the heating tower body is provided with the heating air outlet communicating with the heating air inlet, and the heating tower body The outer wall is provided with at least one solar panel, and the inner wall of the heat collection tower body is provided with electric heating elements, which are used to use the solar panels to absorb solar heat to generate electricity, and finally use the generated electricity to the electric heating elements on the inner wall of the heat collection tower to make the collector The internal temperature of the heating tower rises, thereby forming an updraft that promotes the upward diffusion of the haze air on the surface.
  6. 如权利要求1所述的一种基于低空除霾的空气传导装置,其特征是,所述气路传导模块为热管路塔体,所述空气能量输入模块采用与工业用煤、燃气的废热输出端相连通的导热管路,所述气路输入端为热管塔进气道,所述气路输出端为热管塔出气道;The air conduction device based on low-altitude haze removal according to claim 1, wherein the air conduction module is a heat pipe tower, and the air energy input module adopts the waste heat output of industrial coal and gas. A heat-conducting pipeline connected to each end, the gas path input end is a heat pipe tower inlet, and the gas path output end is a heat pipe tower outlet;
    所述热管路塔体上设有所述热管塔进气道,热管路塔体的顶端设有与所述热管塔进气道相连通的所述热管塔出气道,所述导热管路设置在所述热管路塔体的外壁和/或内壁上。The heat pipe tower body is provided with the heat pipe tower air inlet, the top of the heat pipe tower body is provided with the heat pipe tower air outlet communicating with the heat pipe tower air inlet, and the heat conduction pipeline is arranged at On the outer wall and/or inner wall of the heat pipe tower body.
  7. 如权利要求1所述的一种基于低空除霾的空气传导装置,其特征是,所述气路传导模块为附设在高建筑体上的导气管路,所述空气能量输入模块为管风机,所述气路输入端为管路进气端,所述气路输出端为管路出气端;The air conduction device based on low-altitude haze removal according to claim 1, wherein the air conduction module is an air duct attached to a tall building, and the air energy input module is a tube fan, The input end of the gas path is the inlet end of the pipeline, and the output end of the gas path is the outlet end of the pipeline;
    所述导气管路在不同高度处分别设有所述管路进气端,所述管路进气端上分别设有所述管风机,所述导气管路的顶端设有与各个所述管路进气端均相连通的所述管路出气端,用以在减少局部占地面积的同时,能够有效提升导气管路的分布范围及除霾的均匀性。The air guide pipeline is provided with the air inlet ends of the pipeline at different heights, the pipe fans are respectively arranged on the air inlet ends of the pipeline, and the top end of the air guide pipeline is provided with each of the pipes. The air outlet end of the pipeline, which is connected to the air inlet end, is used to effectively improve the distribution range of the air guide pipeline and the uniformity of haze removal while reducing the local area.
  8. 如权利要求1-7任意一项所述的一种基于低空除霾的空气传导装置的除霾方法,其特征是,包括以下步骤:The method for removing haze based on a low-altitude air conduction device for removing haze according to any one of claims 1-7, characterized in that it comprises the following steps:
    启动空气能量输入模块,将低空的雾霾空气经气路传导模块的气路输入端导入气路传导模块的内部;Start the air energy input module, and introduce the low-altitude haze air into the air path conduction module through the air path input end of the air path conduction module;
    进而气路传导模块内部的雾霾空气导流到达气路传导模块的气路输出端,由气路输出端将雾霾空气排至高于低温雾霾层的高度。Furthermore, the haze air inside the air path conduction module is guided to the air path output end of the air path conduction module, and the air path output end discharges the haze air to a height higher than the low temperature haze layer.
  9. 如权利要求8所述的一种基于低空除霾的空气传导装置的除霾方 法,其特征是,还包括以下步骤:A method for removing haze based on a low-altitude air conduction device for removing haze according to claim 8, characterized in that it further comprises the following steps:
    在城市大气边界层高度较低的时段,加大空气能量输入模块带来的通风量来提升雾霾空气的扩散效率,通过气路传导模块将地表的雾霾排至城市大气边界层以外的自由大气区域,以显著有效地缓解市区雾霾天气。In the period when the height of the urban atmospheric boundary layer is low, increase the ventilation volume brought by the air energy input module to improve the diffusion efficiency of the haze air, and discharge the haze on the surface of the air to the freedom of the city outside the atmospheric boundary layer through the air conduction module Atmospheric area to significantly and effectively alleviate the haze weather in the urban area.
  10. 如权利要求8所述的一种基于低空除霾的空气传导装置的除霾方法,其特征是,所述气路传导模块的底端设置为低于地面。The method for removing haze based on a low-altitude air conduction device for removing haze according to claim 8, wherein the bottom end of the air conduction module is set lower than the ground.
PCT/CN2020/134203 2019-12-09 2020-12-07 Low-altitude haze removal air conduction device and haze removal method thereof WO2021115221A1 (en)

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