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針對煤質分析儀器檢驗問題的解決辦法(一）

发布时间：2012-06-19 点击次数：1358次

煤樣制備偏差處理

1、收到煤樣後，應用煤炭檢測儀器檢測煤炭，並按來樣標簽逐項查對，並應將煤種、種類，粒度采樣地點、包裝狀況、煤樣質量、收樣和制備工夫等項細致注銷在冊，並停止編號。認真編寫煤樣標簽，注明詳細情況、請求剖析項目，須要時要標明樣品粒度和質量。

2、在制樣前，應先依據GB474和相幹測試辦法規範查抄制樣設置裝備擺設和種種樣篩確認其規格和功能契合請求。

3、每季查抄一次剖析煤樣的制樣精細度。

4、收到樣品後應盡快加工制備（低蛻變煤在安排時易發作氧化蛻變）須預枯燥時，枯燥溫度不可以超越50C。以免惹起煤樣發作蛻變。

5、制樣操縱應嚴厲依照制樣規範停止，只管即便做到一次破裂到所需粒度，防止屢次破裂。

6、縮分時只管即便應用二分器縮分，假如應用堆錐四分法、棋盤縮分法縮分，一定把樣品充沛混勻，且縮分樣品的粒度和縮分後保存樣品的質量契合GB474規則。

7、對工藝特征測試項目用樣的加工，嚴厲規則樣品制備辦法制樣，使樣品粒度構成和質量契合規範規則。

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