Method for continuously manufacturing high-temperature reducing

Details Method for continuously manufacturing high-temperature reducing Method for continuously manufacturing high-temperature reducing

1979-11-05

1981-05-19

Schafer, Richard E.

Compositions

Gaseous compositions

Carbon-oxide and hydrogen containing

252188, 252372, 75 34, 75 35, C10K 306, C01B 222, C10B 228

Patent

active

042684129

ABSTRACT:
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 continuously 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 .mu.m 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 CO.sub.2 and H.sub.2 O 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 H.sub.2 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 apparatus, thereby continuously manufacturing a high-temperature reducing gas while using said fluidized particles in recycle.

REFERENCES:
patent: 3909446 (1975-09-01), Miyashita et al.
patent: 4048091 (1977-09-01), Barnaba

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