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煤炭化驗設備-- 煤中氯的檢測原理及型號

2017-02-26  來自: 華維科力 瀏覽次數:2549

煤中氯主要是以無機物形態存在,但也有少量氯以有機物形態存在。以無機物存在的主;主要有鉀鹽礦物(KCl)、鈉鹽礦物(NaCl)及水氯鎂石(MgCIz6Hz 0)等。世界各國煤中氯的含量一般均極低,據文獻介紹美國煤中氯含量為oOIYo -0. 46妊英國為0.1%-1. 0%、印度尼西亞為o32%-0. Ss%,我國煤中一般為o1%以下,極少數煤中氯含量為o.1%-0.2%


測定煤中氯含量,主要原因有以下幾方面:

  1. 煤中氯含量高低、反應出煤中鉀鈉等元素含量的高低,而后者是鍋爐污染的重要因素。

  2. 在煤的燃燒及煉焦過程中,煤中氯的釋出會引起炭化室遵壁毽簤道腐蝕。

  3. 煤中氯還是計算煤中礦物質及精確計算煤中氧的主要依據之—。

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