C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
48/26
C01B 3/46 (2006.01) C21B 13/00 (2006.01)
Patent
CA 1112452
METHOD FOR CONTINUOUSLY MANUFACTURING HIGH-TEMPERATURE REDUCING GAS ABSTRACT OF THE DISCLOSURE A method for continuously manufacturing a high- temperature reducing gas, comprising: using a reducing gas manufacturing equipment including a heat medium heating apparatus and a gas reforming apparatus provided below said heat medium heating apparatus; burning a fuel gas in said heat medium heating apparatus to con- tinuously produce a high-temperature combustion exhaust gas; on the other hand, introducing heat medium particles having an average particle size within the range of from 50 to 500 µm into said heat medium heating apparatus to heat to a prescribed temperature and fluidize said particles through heat exchange with said high-temperature combustion exhaust gas; blowing a gas to be reformed containing CO2 and H2O and a hydrocarbon- containing gas into said gas reforming apparatus, while introducing said heated and fluidized particles from said heat medium heating apparatus into said gas reforming apparatus; thereby heating said gas to be reformed and said hydrocarbon- containing gas, through heat exchange with said heated and fluidized particles, in said gas reforming apparatus to reform by reaction said gas to be reformed and said hydrocarbon-containing gas into a high-temperature reducing gas rich in H2 and CO; and then, feeding said fluidized particles cooled through said heat exchange with said gas to be reformed and said hydrocarbon- containing gas back into said heat medium heating appa- ratus, thereby continuously manufacturing a high-temper- ature reducing gas while using said fluidized particles in recycle.
339253
Ando Yoshitsugu
Miyashita Tsuneo
Sato Yoshio
Macrae & Co.
Nippon Kokan Kabushiki Kaisha
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