发明名称 |
Upgrading solid fuels |
摘要 |
Process for treatment of brown coal which comprises subjecting the said coal to shearing forces to produce a plastic mass which is capable of conversion by subsequent compaction and drying into a fuel of increased density and enhanced calorific value, is characterized in that the water content of the coal is more than 54% and the shearing forces are applied for less than one hour, shorter times being preferred, for example less than 30 seconds. A preferred embodiment provides a continuous process in which the coal is treated in a machine that subjects it to sequential steps of shearing and extrusion in a continuous manner. The extruded product after drying provides the fuel of increased density and enhanced calorific value. The desired effect may also be obtained by treating part of a quantity of brown coal and blending the treated portion with the untreated remainder of the said quantity.
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申请公布号 |
US4701184(A) |
申请公布日期 |
1987.10.20 |
申请号 |
US19860827319 |
申请日期 |
1986.02.07 |
申请人 |
THE UNIVERSITY OF MELBOURNE;CRA SERVICES LIMITED |
发明人 |
HARVEY, KAYE F.;JOHNS, REGINALD B.;BUCHANAN, ALAN S.;CAIN, DAVID A. |
分类号 |
C10F5/00;C10F7/04;C10F7/08;(IPC1-7):C10L5/06;B02C23/18 |
主分类号 |
C10F5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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