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工業技術研究院

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技術名稱: 在工業區搜尋污染源的方法

技術簡介

根據擴散模式的理論,污染物濃度在剖面路徑上呈高斯曲線分佈。本專利利用連續性氣體監測設備結合氣象站在工業區或其他區域在適當的量測路徑上施作。在風向的橫截路徑上,以污染高點為中心,取2倍濃度半波高寬(Full Width at Half Maximum,FWHM)的範圍建立1個操作區塊和掃描路徑。以此掃描路徑進行下一次濃度量測,並且根據新的濃度分佈和濃度高點建立下一個操作區塊和掃描路徑,直到無法取得新的濃度高點。利用歷次的濃度高點回歸計算污染源位置的延伸線,並且在最後2次掃描路徑之間標示污染源的位置。

Abstract

Base on the diffusion model, the pattern of pollutant concentration on the cross section of the moving path is something like Gaussian distribution. The patent applies both the continue gas monitoring device and weather station and operates in the fields of industrial park or other areas. Calculating the FWHM (Full width at half maximum) at the center of the concentration hot spot on the cross section of wind direction, we can get a new operation block and sweep path. The next measuring path will follow the new sweep path, and calculating the next operation block and sweep path by the result of new measurement. Repeat the step until no new hot spot can be accessed. Finally locating the pollutant emission source by extending line of the hot spots and regression calculation, and find the emission location between the last two sweep paths.

技術規格

現場操作條件要求:連續污染物監測週期:< 15 sec; 衛星定位誤差 < 5 公尺; 載具移動速度 < 30 公里/小時

Technical Specification

Field operation requirements: Continue pollutant monitoring sampling time: < 15 sec; GPS location error < 5 m; carrier movement speed < 30 km/hr

技術特色

1.使用移動式監測設備獲取濃度變化趨勢,趨勢具有高斯分佈現象 2.計算濃度在風向橫截線的投影,取得半高波寬,建立操作區塊。操作區塊朝風來源方向延伸 3.由操作區塊近方頂角向對角延伸建立監測掃描路徑 4.掃描路徑朝向污染源前進且範圍逐漸收斂 5.重複進行直到無法取得濃度高點

應用範圍

工業區、污染敏感性區域、市區污染調查

接受技術者具備基礎建議(設備)

環境監測設備供應商、環境工程顧問

接受技術者具備基礎建議(專業)

具環境監測設備、環境污染調查相關需求之使用者及公司

技術分類 02 P微污染分析技術

聯絡資訊

聯絡人:宋隆佑 永續環境技術組

電話:+886-3-5732669 或 Email:leosung@itri.org.tw

客服專線:+886-800-45-8899

傳真:+886-3-5732890

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