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車載式道路揚塵檢測儀介紹

发布日期：2023-02-17 10:27:49 作者：揚塵檢測儀來源：揚塵監測系統浏覽量：1430

道路揚塵作爲我國城市中的一大汙染源，它的産生與蔓延給大氣環境質量帶來了嚴重的影響。對道路揚塵進行治理在城市環境管理中具有重要意義，對道路揚塵汙染進行治理，既能夠降低道路施工和其他因素對環境的汙染，又能夠改善人民群衆的生活水平和保障人民群衆的健康。

城市大氣顆粒物增多是導致城市灰霾天氣出現的一個重要因素，道路揚塵是許多城市大氣顆粒物産生的一個主要根源，所以道路揚塵汙染受到了政府及學者們的日益重視。

通過對一些城市道路揚塵進行研究表明：道路揚塵粒徑區間爲0.5微米～28微米，2.5微米以下揚塵比例大約爲2.5～10微米和10～30微米。

城市道路存在問題：

（1）幅員遼闊，線路較長

（2）在某些地段周邊進行建築施工、

（3）路道破損、路道施工的、

（4）車流量大等原因導致普通路道揚塵監測儀（路道揚塵微站）不能對道路揚塵全線濃度進行精確分析，使用車載式走航監測已是趨勢。

目前利用车载式道路揚塵檢測儀监测道路扬尘的方法已经得到了成功的运用。在城市快速路，主干道，次干道及支路走航监测的基础上，借助监测系统平台分析既可以监测到走航过程中路面积尘, PM10等参数的实时浓度，又可以计算出路面积尘，从而为精准治理道路扬尘提供数据支撑，有利于降低道路扬尘, PM10排放量。

車載式道路揚塵監測和傳統的道路揚塵監測相比，有如下優勢：

1）全路段監控，實現快速路，主幹道，次幹道和支路的全路段監控，有效規避了固定式監測儀存在的布點不完整；

2）道路积尘量核算，走航轨迹实时浓度监测, PM10实时浓度监测以及路面积尘量计算；

3）應用靈活，監測儀可以安裝在執法車，出租車，貨車等各種車輛上，利用GPS定位及中心監控系統平台得到各路段揚塵的實時濃度；

4）便于檢修標定，只要把汽車開到固定的維修點就可以進行更換，檢修及標定，節省了作業時間；

5）道路扬尘大数据分析有利于管理部门对道路扬尘制定准确，科学的防治对策，降低城市扬尘, PM10排放量，改善城市空气质量。

推薦閱讀：揚塵監測設備介紹

车载式道路揚塵檢測儀

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