Oven for thermal processing of lump solid fuel

Details Oven for thermal processing of lump solid fuel Oven for thermal processing of lump solid fuel

C - Chemistry, Metallurgy

10

B

196/3

C10B 53/06 (2006.01) C10B 1/04 (2006.01) C10J 3/20 (2006.01)

Patent

CA 1083059

OVEN FOR THERMAL PROCESSING OF LUMP SOLID FUEL Abstract of the Disclosure An oven for thermal processing of lump solid fuel, low- energy oil shales in particular, which accommodates a low- -temperature carbonization, a gasifying and a cooling shafts arranged one after another in said oven. The low-temperature carbonization shaft is provided with two vertical lattice partition walls subdividing said shaft along the oven axis into two low-temperature carbonization chambers, with a cham- ber for producing and distributing a heat carrier being for- med between said partition walls. This allows attaining a high degree of filling (60 - 70%) of the low-temperature car- bonization shaft volume with the shales and creates the pre- requisites for providing a high oven capacity in terms of shales (3000 - 4000 t per 24 hrs). Each of said low-tempera- ture carbonization chambers is provided with an individual gas offtake, and a discharging device enagles an individual control of the fuel descent rate in each of said chambers. Charging devices for feeding the shales into the low-tempera- ture carbonization chambers are displaced towards the cham- ber for producing and distributing the heat carrier. This is conducive to lower carry-over of shale dust together with a steam-gas mixture from said oven.

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