雲南能投(002053.SZ):“雲南鈣芒硝礦高效開採及鹽硝深度分離關鍵技術應用”項目榮獲2020年度雲南省科學技術進步獎三等獎
格隆匯11月19日丨雲南能投(002053.SZ)公佈,公司於近日獲悉由全資子公司雲南省鹽業有限公司與雲南省能源研究院有限公司、昆明理工大學合作完成的“雲南鈣芒硝礦高效開採及鹽硝深度分離關鍵技術應用”項目榮獲2020年度雲南省科學技術進步獎三等獎。
該項目圍繞行業內鈣芒硝礦組分複雜,資源綜合利用率低,生產能耗高等問題,開展了3D地質模型動態顯示技術、強化絮凝沉降技術、氯化鈉與硫酸鈉深度分離技術、碳酸根離子轉化與調控阻垢防垢新技術等關鍵技術研究,實現了產業化應用。主要內容和創新點如下:
1.深部鈣芒硝定向鑽井對接水溶原位開採技術針對鈣芒硝礦牀特點,使用了3D 地質模型動態顯示技術,實現了開採的精準定位,提高採空區的資源再利用價值,回採率提高10%以上,減少了地表生態破壞,實現了鈣芒硝的綠色開採。
2.針對高濃度硫酸鈉、氯化鈉以及鈣鎂雜質共存的芒硝型滷水特點,開發了兩鹼法滷水強化絮凝沉降淨化技術,使滷水中鈣鎂微細懸浮顆粒及雜質離子總量從原來30ppm 降為7ppm 以下,去除雜質效果顯著。
3、通過測定三元體系滷水平衡相圖指導高純芒硝製備過程,研發了氯化鈉與硫酸鈉深度分離技術,使芒硝產品的品級從原來主要為II類一等品升級為I 類一等品,且產率提高到95%以上。
4、研發了碳酸根離子轉化與調控阻垢防垢新技術,從源頭阻斷結垢物的成核與垢層的生長,提高蒸汽換熱效率實現了高品質芒硝產品製備過程的精準控制和生產裝置長周期運行,能耗指標顯著降低。
此次獲獎是對公司在技術研發和自主創新等方面的肯定和鼓勵,有利於進一步推動公司持續提升創新能力,增強核心競爭力。
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