The method of manufacturing co2 gas recovery method and recovery facility, as well as cement in the cement manufacturing facility

A by effectively utilizing the heat source in the cement manufacturing facility, the production of the recovery method and the recovery facility, as well as cement CO A supplies cement material before calcination extracted from the first preheater 3 of the cement manufacturing facility to the mixing calciner 12, a large thermal medium particle size than cement material, medium heating furnace 14 were fed to the mixing calciner 12 after heating above the calcination temperature in, in a mixing calciner 12, a cement material before calcination after calcination by the heat medium, the calcined cement material cement kiln 1 is supplied to, and together with the circulating between the mixing calciner recycled to medium heating furnace 14 heat medium, recovering CO .FIELD 1