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龍煤集團七臺河選煤廠原煤準備車間原有手揀工16人,分兩班作業,安裝完智能選矸系統完全取代了人工手選作業,降低了工人的勞動強度、安全風險,實現了智能化生產,并且大幅提高了生產效率。



智能選矸系統投入運行后,保證了重介洗煤廠入洗原煤的質量,入洗原煤灰分由53%,下降到40%,減少了洗選設備的磨損,提高了精煤回收率,增大了入洗量,入洗原煤量由原來的280t/h提高到350t/h,整個洗煤廠運行高效,成本大幅降低,據不完全統計,年可為洗煤廠創造近3000萬元的經濟效益。

洗煤廠原煤來自6個煤礦,煤質情況復雜,含煤率波動大,幾乎可以用“過山車”來形容,幾分鐘之內含煤率就可以從1%到98%波動變化。



IDS智能干選系統可根據含煤率變化自動調節分選相對密度,保證在任何情況下矸石帶煤率及排矸率都能達到分選指標要求。真正實現了根據原煤情況進行智能調整,根據實測應用數據:平均矸石帶煤率小于0.5%,排矸率大于 95%。

日期

矸中帶煤率

排矸率

11.10

0.46

95.51

11.11

0.21

97.01

11.12

0.33

96.57

七臺河洗煤廠實測分選精度數據


七臺河礦業有限公司七臺河洗煤廠

發布時間: 2023-02-07
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