本文選題：礦物油　切入點：熒光光譜法　出處：《燕山大學》2015年碩士論文　論文類型：學位論文

【摘要】：油污染已成為我國水域的主要環(huán)境問題之一,為了掌握油污染的動態(tài)變化趨勢,實時在線檢測水中石油濃度的問題亟待解決。熒光光譜分析在礦物油類污染物檢驗技術研究領域占有重要地位。本文通過對水中礦物油檢測方法與檢測技術的深入分析得知,現(xiàn)有的水中礦物油測量儀大多存在體積笨重、檢測時間長、造價高等弊端。因此,本文從熒光檢測的基本原理出發(fā),根據(jù)實驗及理論知識,結合熒光分析法與光電檢測技術,設計了一種簡便的模塊化組合方式的熒光光譜測量系統(tǒng)。首先,論文對熒光光譜分析法檢測水中礦物油的基本背景和國內(nèi)外研究現(xiàn)狀做了簡要概述,并且探究了熒光的產(chǎn)生機理等理論知識,分析了礦物油的結構特點,并對其采用熒光光譜法檢測進行了可行性研究,分析了各種環(huán)境因素對熒光強度的影響。其次,根據(jù)石油熒光檢測原理,深入分析了熒光法測量水中油濃度的可行性。根據(jù)石油激發(fā)光譜和熒光光譜的現(xiàn)有數(shù)據(jù)確定了礦物油檢測的最佳激發(fā)波長和熒光波長。最后,根據(jù)混合礦物油的光譜吸收特點來確定它們的主要成分。分析了系統(tǒng)的主要組成部分,選用了脈沖氙燈為激發(fā)光源,設計了激發(fā)源脈沖氙燈的驅(qū)動電路、干涉濾光片等組成的檢測系統(tǒng)。
[Abstract]:Oil pollution has become one of the main environmental problems in the waters of our country. In order to understand the dynamic trend of oil pollution, The problem of real-time on-line detection of oil concentration in water should be solved urgently. Fluorescence spectrum analysis plays an important role in the field of inspection technology of mineral oil pollutants. In this paper, the detection methods and detection techniques of mineral oil in water are deeply analyzed. Most of the existing water mineral oil measuring instruments have the disadvantages of bulky volume, long detection time and high cost. Therefore, based on the basic principle of fluorescence detection, according to the experimental and theoretical knowledge, combined with fluorescence analysis and photoelectric detection technology, A simple and modular fluorescence spectrum measurement system is designed. Firstly, the basic background and research status of fluorescence spectrum analysis for detecting mineral oil in water are briefly summarized. It also explores the mechanism of fluorescence and other theoretical knowledge, analyzes the structural characteristics of mineral oil, studies the feasibility of fluorescence spectrum detection, analyzes the influence of various environmental factors on the fluorescence intensity. According to the principle of oil fluorescence detection, the feasibility of measuring oil concentration in water by fluorescence method is analyzed in depth. According to the existing data of petroleum excitation spectrum and fluorescence spectrum, the optimum excitation wavelength and fluorescence wavelength of mineral oil detection are determined. The main components of mixed mineral oil are determined according to their spectral absorption characteristics. The main components of the system are analyzed. The pulse xenon lamp is selected as the excitation light source, and the driving circuit of the pulsed xenon lamp is designed. Interference filter and other components of the detection system.
【學位授予單位】：燕山大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：X832;O657.3

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本文編號：1594803