C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
48/35, 196/6.1
C10L 9/08 (2006.01)
Patent
CA 1123771
Abstract of the disclosure Heat processing of pulverized brown coal is carried out in two stages. In a chamber for the first-stage heating brown coal to be processed is heated to a temperature of thermal decomposition thereof with the formation of a solid matter and a vapour and gas mixture. The resultant vapour and gas mixture is removed to be purified and condensed to obtain gaseous and liquid products. In a chamber for the secondstage heating brown coal in the form of solid matter is heated to cause additional decomposition thereof which results in the formation of a solid product and a vapour and gas mixture. The resultant vapour and gas mixture together with a part of the resultant solid product is fed through a return conduit into the chamber for the fist-stage heating of the brown coal. The develop a draught which causes the solid product particles to move along the return conduit, the latter is provided with a means for feeding a gaseous heat carrier. With practically the same power consumption as in the prior art methods, the yield of the vapour and gas products grows by about 25-30% depending on the type, grade and particle size of the brown coal being processed.
308662
Apter Danil M.
Chukhanov Zinovy F.
Chukhanov Zinovy Z.
Karosev Vadim A.
Lyashenko Ivan V.
Gosudarstvenny Nauchno - Issledovatelsky Energetichesky Institut
Swabey Ogilvy Renault
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