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影響灰分的結果因素有哪些
作者:卓越科技 發布日期:2023-02-13 09:29:53

   測定灰分時,影響灰分的誤差因素主要有三個:黃鐵礦氧化程度、碳酸鹽分解程度、灰中三氧化硫的含量。

   如何避免因為以上三點而導致灰分結果誤差zui小化。首先我們采用緩慢灰化法,使得硫化物在碳酸鹽分解前完全排出,從而避免硫酸鈣的生成,其次灰化過程中要保持良好的通風,使得硫化物在生成初期就能及時排出,這也是我公司生成的馬弗爐帶有煙囪和爐門有透氣縫的原因。

   另外我們要注意的是,稱量煤樣時要讓煤樣均勻的平鋪在灰皿中,可以避免燃燒不充分,導致的測試結果不準確。


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