Annular shaft kiln invented by authors is an achievement in scientific research of Wuhan University of Technology. The invention-patent technology has been applyed recently to a φ2.2×7.7m circular shaft kiln of ...Annular shaft kiln invented by authors is an achievement in scientific research of Wuhan University of Technology. The invention-patent technology has been applyed recently to a φ2.2×7.7m circular shaft kiln of semi-mechnization in Tangshan National Cement Plant. The circular shaft kiln became an annular shaft kiln after a core tube was added in it as an inner annulation. This kiln has been proved to be successful in practice. It’s output after firing on 9th october 1989 has increased by 50%. The average clinker mark of over 525 has展开更多
文摘Annular shaft kiln invented by authors is an achievement in scientific research of Wuhan University of Technology. The invention-patent technology has been applyed recently to a φ2.2×7.7m circular shaft kiln of semi-mechnization in Tangshan National Cement Plant. The circular shaft kiln became an annular shaft kiln after a core tube was added in it as an inner annulation. This kiln has been proved to be successful in practice. It’s output after firing on 9th october 1989 has increased by 50%. The average clinker mark of over 525 has