WO2019120182A1 - 风洞试验污染物产生系统及监测系统 - Google Patents

风洞试验污染物产生系统及监测系统 Download PDF

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Publication number
WO2019120182A1
WO2019120182A1 PCT/CN2018/121653 CN2018121653W WO2019120182A1 WO 2019120182 A1 WO2019120182 A1 WO 2019120182A1 CN 2018121653 W CN2018121653 W CN 2018121653W WO 2019120182 A1 WO2019120182 A1 WO 2019120182A1
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WO
WIPO (PCT)
Prior art keywords
pollutant
wind tunnel
monitoring
monitoring system
pollution source
Prior art date
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PCT/CN2018/121653
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English (en)
French (fr)
Inventor
韩艳
沈炼
蔡春声
李春光
董国朝
胡朋
李凯
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长沙理工大学
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Application filed by 长沙理工大学 filed Critical 长沙理工大学
Publication of WO2019120182A1 publication Critical patent/WO2019120182A1/zh
Priority to US16/842,789 priority Critical patent/US11378486B2/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
    • G01M9/02—Wind tunnels
    • G01M9/04—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
    • G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
    • G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
    • G01M9/062—Wind tunnel balances; Holding devices combined with measuring arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
    • G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
    • G01M9/065—Measuring arrangements specially adapted for aerodynamic testing dealing with flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/38—Flow patterns
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0073—Control unit therefor
    • G01N33/0075—Control unit therefor for multiple spatially distributed sensors, e.g. for environmental monitoring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G01N2001/222—Other features
    • G01N2001/2223—Other features aerosol sampling devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N2015/0092—Monitoring flocculation or agglomeration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
    • G01N2030/8809—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample
    • G01N2030/8872—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample impurities

Definitions

  • the present invention relates to the field of pollutant monitoring technology, and in particular to a pollutant generating system and a monitoring system for wind tunnel testing.
  • An object of the present invention is to provide a wind tunnel test pollutant generating system and a monitoring system to solve the above problems in the prior art, to generate a stable pollution source, to distribute a plurality of gases constituting a pollution source, and to be convenient and quick. Ground monitoring of pollutants.
  • the present invention provides a wind tunnel test pollutant generating system, including a pollution source and a pollutant emitter, the pollutant emitter being connected to a pollution source, the pollutant The emitter is disposed in a simulated area in the wind tunnel, and a bead glass bottle is disposed between the pollutant emitter and the pollution source, and one end of the magnetic bead glass bottle is connected to the pollutant emitter, and the other end is connected The pollution source is connected, and a spiral tube is further disposed between the magnetic bead glass bottle and the pollutant emitter
  • the pollution source comprises air and methane
  • the air is provided by an air pump
  • the methane is from methane ⁇ 0 2019/120182 ⁇ (:17 ⁇ 2018/121653
  • the gas supply tank is provided, and the air pump and the methane gas supply tank are connected to the magnetic bead glass bottle through a pipeline.
  • the mixing device is a magnetic bead glass bottle disposed in front of the pollutant emitter; a flow meter is disposed on the pipeline connecting the gas pump, the methane gas supply tank and the magnetic bead glass bottle. A flow meter is disposed between the magnetic bead glass bottle and the pollutant emitter.
  • the present invention also discloses a wind tunnel test pollutant monitoring system including the wind tunnel test pollutant generating system, and further comprising: a wind tunnel and a pollutant concentration monitoring system, wherein the pollutant concentration monitoring system is disposed at the
  • the pollutant concentration monitoring system includes a monitoring tube, a collection bag, and a chromatograph, the monitoring tube is disposed in a simulation area in the wind tunnel, and the tail end of the monitoring tube is collected The bag is connected, and the collection bag is also connected to the chromatographic analyzer.
  • the monitoring tube is provided in plurality, and the plurality of monitoring tubes are fixed on the fixing frame in the wind tunnel by collecting the raft.
  • a delivery pump is disposed between the collection bag and the monitoring tube, and the pollutant gas collected by the monitoring tube is pumped into the collection bag by the delivery pump.
  • a computer is further included, and the chromatographic analyzer is connected to the computer.
  • a beaded glass bottle is provided, and the gas is sufficiently disturbed due to the magnetic interference of the magnetic beads; the spiral bead is arranged behind the bead glass bottle to make the two gases fully merge, thereby generating a uniform and stable pollution source.
  • FIG. 1 is a schematic structural view of a wind tunnel test pollutant generating system and a monitoring system according to the present invention
  • 1 is a wind tunnel
  • 2 is a sharp point
  • 3 is a rough element
  • 4 is a gas pump
  • 5 is a methane gas supply tank
  • 6 is a flow meter
  • 7 is a spiral tube
  • 8 is a magnetic bead glass bottle
  • 9 is Contaminant emitters
  • 10 is the building model
  • 11 is the fixed frame
  • 12 is the collecting raft
  • 13 is the monitoring tube
  • 14 is the conveying pump
  • 15 is the collecting bag
  • 16 is the chromatographic analyzer
  • 17 is the computer.
  • the object of the present invention is to provide a pollutant generating system and a monitoring system for wind tunnel testing, to solve the problems existing in the prior art, to generate a stable pollution source, to distribute a plurality of gases constituting a pollution source, and to be convenient and quick. Ground monitoring of pollutants.
  • the present invention provides a wind tunnel test pollutant generating system, as shown in FIG. 1, including a pollution source and a pollutant emitter 9, a pollutant emitter 9 connected to a pollution source, and a pollutant emitter 9 placed in the wind tunnel 1 In the simulated area, it is used to emit pollutants; a bead glass bottle 8 is arranged between the pollutant emitter 9 and the pollution source, one end of the magnetic bead glass bottle 8 is connected with the pollutant emitter 9 , and the other end is connected with the pollution source.
  • a spiral tube 7 is also disposed between the bead glass bottle 8 and the contaminant emitter 9.
  • the pollution source includes air and methane, the air is supplied from the air pump 4, the methane is supplied from the methane supply tank 5, and the air pump 4 and the methane supply tank 5 are both connected to the bead glass bottle 8 through a pipe.
  • the pollution source of the present invention is a mixed gas of air and methane, and air and methane are mixed into the bead glass bottle 8 through a pipe for mixing, and the air pump 4 supplies power to the mixed gas to promote flow.
  • the body of the magnetic bead glass bottle 8 is an ordinary glass bottle, and the glass bottle is filled with magnetic beads.
  • a pneumatic valve is installed in front of the bead glass bottle 8 to control the gas flow.
  • a spiral tube 7 is further disposed between the magnetic bead glass bottle 8 and the pollutant emitter 9 , and the gas flows out from the magnetic bead glass bottle 8 and enters the spiral tube 7 , and the spiral ⁇ 0 2019/120182 ⁇ (:17 ⁇ 2018/121653
  • Tube 7 is made of a closed glass tube, which allows the two gases to mix thoroughly and uniformly, thus producing a homogeneous and stable source of pollution.
  • the air pump 4, the methane gas supply tank 5 and the bead glass bottle 8 are connected to a pipe provided with a flow meter 6 for controlling the flow rate of air and methane by the flow meter 6; the bead glass bottle 8 and the pollutant emitter A flow meter 6 is provided between 9 to control the flow rate of the pollutants, and finally the mixed gas pollutants composed of air and methane are released on the front side of the detection area.
  • the present invention also discloses a wind tunnel test pollutant monitoring system including the wind tunnel test pollutant generating system, and further comprising: a wind tunnel 1 and a pollutant concentration monitoring system, and the pollutant concentration monitoring system is disposed in the wind tunnel 1;
  • the pollutant concentration monitoring system includes a monitoring tube 13, a collection bag 15 and a chromatograph 16 which is disposed in a simulation area in the wind tunnel 1, and the tail end of the monitoring tube 13 is connected to the collection bag 15, and the collection bag 15 is also connected to the chromatographic analyzer 16.
  • the polling gas in the simulated area of the wind tunnel 1 is quantitatively collected by the monitoring tube 13, and the monitoring tube 13 is provided with a plurality of tubes 13 and fixed on the fixing frame 11 by the collecting crucible 12, and the fixing frame 11 is fixed in the wind tunnel 1 .
  • a delivery pump 14 is disposed between the tail end of the plurality of monitoring tubes 13 and the collection bag 15 , and the polluting gas collected by the monitoring tube 13 is pumped into the collection bag 15 by the delivery pump 14 to improve the transportation efficiency; the collection bag 15 is provided with A plurality of vacuum collecting bags 15 are used to avoid the residual gas in the collecting bag 15 from affecting the concentration measurement of the pollutants.
  • the collection bag 15 is directly connected to the chromatographic analyzer 16, and the chromatographic analyzer 16 performs chromatographic analysis on the polluted gas in the collection bag 15, and then transmits the analysis result to the computer 17 connected to the chromatographic analyzer 16, which is intuitive
  • the image is obtained by the distribution of the concentration of pollutants in the simulated area.
  • the wind tunnel 1 is also provided with a tip 2 and a roughness element 3, and the tip 2 and the roughness element 3 are disposed at the entrance of the wind tunnel 1 for simulating the inlet and outlet of the atmospheric turbulent boundary layer, the wind tunnel 1
  • a building model 10 is also provided in the detection area.
  • the wind tunnel test pollutant generating system and the monitoring system of the invention can generate a stable pollution source, make the distribution of various gases constituting the pollution source uniform, and can conveniently and quickly monitor the pollutants.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)

Abstract

一种风洞试验污染物产生系统及监测系统，污染物产生系统包括污染源和污染物发射器(9)，污染物发射器(9)与污染源连接，污染源由空气和甲烷两种气体组成，被严格控制流量的两种气体进入磁珠玻璃瓶(8)，由于磁珠对气体流动的干扰，两种气体充分紊乱，用螺旋管(7)使两种气体充分混合，从而产生均匀稳定的污染源。污染物监测系统还包括风洞(1)和污染物浓度监测系统，污染物浓度监测系统包括监测管(13)、采集袋(15)和色谱分析仪(16)，通过色谱分析仪(16)对污染气体进行分析，将分析结果传到计算机(17)，能直观形象地得到模拟区域的污染物浓度的分布。

Description

\¥0 2019/120182 卩（：17 \2018/121653
1
风洞试验污染物产生系统及监测系统
技术领域
[0001] 本发明涉及污染物监测技术领域， 特别是涉及一种风洞试验的污染物产生系统 及监测系统。
背景技术
[0002] 目前城市雾霾， 污染物积聚等问题严重影响到了城市居民的身心健康， 成为了 我国当前急需解决的问题。 然而， 在风洞试验中由于试验设备和试验技术的限 制， 对污染物扩散的合理模拟还非常困难。 有些研究机构采用 ?1 对污染物进行 模拟， 但其造价非常昂贵， 得不到广泛应用。 常规的污染物发生系统一般以定 性为多， 只能较好的得到污染物的分布趋势， 得不到模拟区域的污染物详细分 布数据， 同时， 相应的污染物源产生和监测系统还非常少见。
[0003] 因此， 提供一种风洞试验的污染物产生系统和监测系统， 以解决现有技术所存 在的上述缺点， 成为现在亟待解决的技术问题。
技术问题
[0004] 本发明的目的是提供一种风洞试验污染物产生系统及监测系统， 以解决上述现 有技术存在的问题， 产生稳定的污染源， 组成污染源的多种气体分布均匀， 并 且能够方便快捷地对污染物进行监测。
问题的解决方案
技术解决方案
[0005] 为实现上述目的， 本发明提供了如下方案： 本发明提供一种风洞试验污染物产 生系统， 包括污染源和污染物发射器， 所述污染物发射器与污染源连接， 所述 污染物发射器设置在风洞内的模拟区域内， 所述污染物发射器与污染源之间还 设置有磁珠玻璃瓶， 所述磁珠玻璃瓶的一端与所述污染物发射器连接， 另一端 与所述污染源连接， 所述磁珠玻璃瓶与所述污染物发射器之间还设置有螺旋管
[0006] 优选的， 所述污染源包括空气和甲烷， 所述空气由气泵提供， 所述甲烷由甲烷 \¥0 2019/120182 卩（：17 \2018/121653
2 供气罐提供， 所述气泵和甲烷供气罐均通过管道与所述磁珠玻璃瓶连接。
[0007] 优选的， 所述混合装置为磁珠玻璃瓶， 设置在所述污染物发射器前； 所述气泵 、 甲烷供气罐与所述磁珠玻璃瓶连接的管道上均设置有流量计， 所述磁珠玻璃 瓶与所述污染物发射器之间设置有流量计。
[0008] 本发明还公开了一种包括上述风洞试验污染物产生系统的风洞试验污染物监测 系统， 还包括： 风洞和污染物浓度监测系统， 所述污染物浓度监测系统设置在 所述风洞内； 所述污染物浓度监测系统包括监测管、 采集袋和色谱分析仪， 所 述监测管设置在所述风洞内的模拟区域内， 所述监测管的尾端与所述采集袋连 接， 所述采集袋还与所述色谱分析仪连接。
[0009] 优选的， 所述监测管设置有多个， 多个所述监测管通过采集耙固定在所述风洞 内的固定架上。
[0010] 优选的， 所述采集袋与所述监测管之间设置有输送泵， 通过所述输送泵将所述 监测管采集到的污染气体泵送至所述采集袋内。
[0011] 优选的， 还包括计算机， 所述色谱分析仪与所述计算机连接。
发明的有益效果
有益效果
[0012] 本发明相对于现有技术取得了以下技术效果：
[0013] 1、 设置有磁珠玻璃瓶， 由于磁珠对气体的扰动作用， 使得气体充分紊乱； 磁 珠玻璃瓶之后设置有螺旋管使两种气体充分汇合， 从而产生均匀稳定的污染源
[0014] 2、 通过色谱分析仪对风洞内气体进行色谱分析， 能够直观形象的得到模拟区 域的污染物浓度的分布。
对附图的简要说明
附图说明
[0015] 为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对实施例中 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本发 明的一些实施例， 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， 还可以根据这些附图获得其他的附图。 \¥0 2019/120182 卩（：17 \2018/121653
3
[0016] 图 1为本发明风洞试验污染物产生系统和监测系统的结构示意图；
[0017] 其中， 1为风洞， 2为尖劈， 3为粗糙元， 4为气泵， 5为甲烷供气罐， 6为流量计 ， 7为螺旋管， 8为磁珠玻璃瓶， 9为污染物发射器， 10为建筑模型， 11为固定架 ， 12为采集耙， 13为监测管， 14为输送泵， 15为采集袋， 16为色谱分析仪， 17 为计算机。
发明实施例
具体实施方式
[0018] 下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进行清楚、 完整地描述， 显然， 所描述的实施例仅仅是本发明一部分实施例， 而不是全部 的实施例。 基于本发明中的实施例， 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， 都属于本发明保护的范围。
[0019] 本发明的目的是提供一种风洞试验的污染物产生系统和监测系统， 以解决现有 技术存在的问题， 产生稳定的污染源， 组成污染源的多种气体分布均匀， 并且 能够方便快捷地对污染物进行监测。
[0020] 为使本发明的上述目的、 特征和优点能够更加明显易懂， 下面结合附图和具体 实施方式对本发明作进一步详细的说明。
[0021] 本发明提供一种风洞试验污染物产生系统， 如图 1所示， 包括污染源和污染物 发射器 9 , 污染物发射器 9与污染源连接， 污染物发射器 9放置在风洞 1内的模拟 区域内， 用于发射污染物； 污染物发射器 9与污染源之间还设置磁珠玻璃瓶 8， 磁珠玻璃瓶 8的一端与污染物发射器 9连接， 另一端与污染源连接， 磁珠玻璃瓶 8 与污染物发射器 9之间还设置有螺旋管 7。
[0022] 污染源包括空气和甲烷， 空气由气泵 4提供， 甲烷由甲烷供气罐 5提供， 气泵 4 和甲烷供气罐 5均通过管道与磁珠玻璃瓶 8连接。 本发明的污染源为空气和甲烷 的混合气体，空气和甲烷通过管道进入磁珠玻璃瓶 8内进行混合， 气泵 4为混合气 体提供动力， 促进流动。 其中磁珠玻璃瓶 8的本体为普通玻璃瓶， 玻璃瓶内填充 满有磁珠， 由于磁珠对气体的扰动作用， 使得气体充分紊乱； 在磁珠玻璃瓶 8前 安装气压阀， 控制气体流进和流出玻璃瓶的速度。 磁珠玻璃瓶 8与污染物发射器 9之间还设置有螺旋管 7 , 气体从磁珠玻璃瓶 8内流出后进入到螺旋管 7内， 螺旋 \¥0 2019/120182 卩（：17 \2018/121653
4 管 7采用密闭的玻璃管构成， 使两种气体充分均匀混合， 从而能够产生匀质、 稳 定的污染源。
[0023] 气泵 4、 甲烷供气罐 5与磁珠玻璃瓶 8连接的管道上均设置有流量计 6 , 通过流量 计 6来控制空气和甲烷的流速； 磁珠玻璃瓶 8与污染物发射器 9之间设置有流量计 6 , 对污染物的输出流速进行控制， 最后使空气和甲烷组成的混合气体污染物在 检测区域前侧进行释放。
[0024] 本发明还公开了一种包括上述风洞试验污染物产生系统的风洞试验污染物监测 系统， 还包括： 风洞 1和污染物浓度监测系统， 污染物浓度监测系统设置在风洞 1内； 污染物浓度监测系统包括监测管 13、 采集袋 15和色谱分析仪 16 , 监测管 13 设置在风洞 1内的模拟区域内， 监测管 13的尾端与采集袋 15连接， 采集袋 15还与 色谱分析仪 16连接。
[0025] 通过监测管 13对风洞 1内模拟区域的污染气体进行定量采集， 监测管 13设置有 多个， 并通过采集耙 12固定在固定架 11上， 固定架 11固定在风洞 1内。 多个监测 管 13的尾端与采集袋 15之间设置有输送泵 14, 通过输送泵 14将监测管 13采集到 的污染气体泵送至采集袋 15内， 提高输送效率； 采集袋 15设置有多个， 并采用 真空采集袋 15 , 避免采集袋 15内残留有气体对污染物的浓度测量产生影响。
[0026] 采集袋 15与色谱分析仪 16直接连接， 色谱分析仪 16对采集袋 15内的污染气体进 行色谱分析， 然后将分析结果传到与色谱分析仪 16相连接的计算机 17内， 能够 直观形象的得到模拟区域的污染物浓度的分布。
[0027] 风洞 1内还设置有尖劈 2和粗糙元 3， 尖劈 2和粗糙元 3设置在风洞 1的入口处， 用 于模拟大气湍流边界层的入口来流， 风洞 1的检测区域内还设置有建筑模型 10。
[0028] 本发明风洞试验污染物产生系统和监测系统， 能够产生稳定的污染源， 使组成 污染源的多种气体分布均匀， 并且能够方便快捷地对污染物进行监测。
[0029] 本发明中应用了具体个例对本发明的原理及实施方式进行了阐述， 以上实施例 的说明只是用于帮助理解本发明的方法及其核心思想； 同时， 对于本领域的一 般技术人员， 依据本发明的思想， 在具体实施方式及应用范围上均会有改变之 处。 综上所述， 本说明书内容不应理解为对本发明的限制。

Claims

\¥0 2019/120182 卩（：17 \2018/121653 5 权利要求书
[权利要求 1] 一种风洞试验污染物产生系统， 其特征在于： 包括污染源和污染物发 射器， 所述污染物发射器与污染源连接， 所述污染物发射器设置在风 洞的模拟区域内， 所述污染物发射器与污染源之间还设置有磁珠玻璃 瓶， 所述磁珠玻璃瓶的一端与所述污染物发射器连接， 另一端与所述 污染源连接， 所述磁珠玻璃瓶与所述污染物发射器之间还设置有螺旋 管。
[权利要求 2] 根据权利要求 1所述的风洞试验污染物产生系统， 其特征在于： 所述 污染源包括空气和甲烷， 所述空气由气泵提供， 所述甲烷由甲烷供气 罐提供， 所述气泵和甲烷供气罐均通过管道与所述磁珠玻璃瓶连接。
[权利要求 3] 根据权利要求 2所述的风洞试验污染物产生系统， 其特征在于： 所述 气泵、 甲烷供气罐与所述磁珠玻璃瓶连接的管道上均设置有流量计， 所述磁珠玻璃瓶与所述污染物发射器之间设置有流量计。
[权利要求 4] 一种包括如权利要求 1-3任一项所述的风洞试验污染物产生系统的风 洞试验污染物监测系统， 其特征在于： 还包括： 风洞和污染物浓度监 测系统， 所述污染物浓度监测系统设置在所述风洞内； 所述污染物浓 度监测系统包括监测管、 采集袋和色谱分析仪， 所述监测管设置在所 述风洞内的模拟区域内， 所述监测管的尾端与所述采集袋连接， 所述 采集袋还与所述色谱分析仪连接。
[权利要求 5] 根据权利要求 4所述的风洞试验污染物监测系统， 其特征在于： 所述 监测管设置有多个， 多个所述监测管通过采集耙固定在所述风洞内的 固定架上。
[权利要求 6] 根据权利要求 5所述的风洞试验污染物监测系统， 其特征在于： 所述 采集袋与所述监测管之间设置有输送泵， 通过所述输送泵将所述监测 管采集到的污染气体泵送至所述采集袋内。
[权利要求 7] 根据权利要求 6所述的风洞试验污染物监测系统， 其特征在于： 还包 括计算机， 所述色谱分析仪与所述计算机连接。
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