Process for calcining cement clinker regulated with silicon dioxide activity in copper, lead zind tail ore

A process for calcining cement clinker able to regulate reaction activity of the SiO2 contained in Cu or PbZn failings includes such steps as proportionally mixing lime stone, crude coal, said failings, and SiO2-depolymerizing mineralizing agent, grinding, sphericizing, and calcining at 1400-1450 de...

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Bibliographische Detailangaben
Hauptverfasser: SHENGYONG FU, ZHONGYANG LUO, ZHENGLUN SHI
Format: Patent
Sprache:eng
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Zusammenfassung:A process for calcining cement clinker able to regulate reaction activity of the SiO2 contained in Cu or PbZn failings includes such steps as proportionally mixing lime stone, crude coal, said failings, and SiO2-depolymerizing mineralizing agent, grinding, sphericizing, and calcining at 1400-1450 deg.C. Its advantages are high reaction speed and saving energy.