C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/6.1
C10G 1/04 (2006.01)
Patent
CA 1134303
METHOD OF AND APPARATUS FOR HEAT PROCESSING OF PULVERIZED SOLID FUEL Abstract of the Disclosure According to the invention pulverized solid fuel is pro- cessed by heating the fuel to a temperature at which thermal decomposition of the fuel begins and subsequently heating the fuel to a temperature at which an intense thermal decomposi- tion of the fuel takes place to form a vapour-and-gas suspension containing pulverized particles, gas, tar vapours and pyrogenic water vapours. The resultant vapour-and-gas suspension is cooled in a chamber by water and/or pyrogenic water to a temperature from 360 to 140°C at which pulverized solid particles adsorb heavy tar. To obtain the resulting product in the form of a pulp, the vapour-and-gas suspension is cooled for a second time to a temperature from 80 to 20°C at which the fractures of intermedia- te and light tars are condensed. Combustion heat of the resulting solid matter is higher. than that of the product obtained by a conventional method, in addition, it may be conveyed by a water channel. the result- ing product in the form of a pulp may be conveyed by a water channel directly to the consumer. When practising the method, such side product as pyrogenic water is utilized which is usually purified prior to disposal.
323425
Bratchenko Boris F.
Chukhanov Zinovy F.
Chukhanov Zinovy Z.
Karasev Vadim A.
Lyashenko Ivan V.
Gosudarstvenny Nauchno - Issledovatelsky Energetichesky Institut
Swabey Ogilvy Renault
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