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耐火材料施工廠家告訴您耐火資料的回收運用

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耐火材料施工廠家告訴您耐火資料的回收運用

發布日期:2019-11-13 作者: 點擊:

耐火材料施工廠家告訴您耐火資料的回收運用


   鋼鐵企業是耐火資料的消耗大戶,用后的耐火資料若不加運用,不只導致資源糟蹋,同時帶來環境污染。如加以運用,生產出可運用的不定型耐火資料和其他資料,不只減少了環境污染,還大大降低了耐火資料的本錢和煉鋼本錢。

 

  鋼鐵企業是耐火資料的消耗大戶,用后的耐火資料若不加運用,不只導致資源糟蹋,同時帶來環境污染。如加以運用,生產出可運用的不定型耐火資料和其他資料,不只減少了環境污染,還大大降低了耐火資料的本錢和煉鋼本錢。

 

  國內對用后的耐火資料的應用主要是:用后的鎂碳磚貼補轉爐或電爐爐襯或加工成顆粒作為電爐填充料,或許再從頭加工成耐火資料。

 

  從頭加工成耐火材的工藝是:回收后的耐火鎂碳磚經粉碎、挑揀、水化等處理后,加少數添加劑及40%熱固性酚醛樹脂作結合劑,從頭限制成型。國內寶鋼對轉爐和鋼包渣線的用后的鎂碳磚進行了再生制備,在其300t鋼包渣線上應用后,鋼包運用壽命達82次,渣線嚴重出腐蝕速度每爐1.28mm,與同期運用的新鎂碳磚比較,功能稍優。

 

  進行高鋁礬土替代料制備是:將煉鋼用廢氣滑板磚、座磚、水口、塞棒等回收、破碎后,進行替代生產。國內的濟鋼把回收鋁碳質耐火資料用于鐵鉤搗打料來替代部分高鋁礬土,在其4號爐上實驗后,取得了通鐵量>9000t的效果。

 

  此外,用后鎂鋁作為質料并按必定比例加入到RH噴補料里,運用效果也很抱負。

 耐火材料施工廠家告訴您耐火資料的回收運用


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