Procedure to avoid the overflow or flow of dried queasy brown coal in standing, indirectly heated smoldering ponds
DE488598C
Standing smoldering oven
DE487252C
Smoldering furnace with air preheating
DE490535C
Rotary kiln for the physical or chemical treatment of granular or dusty material, in particular for smoldering, degassing and coking of bituminous fuels
DE505369C
Vertical furnace for the heat treatment of coal and bituminous materials
DE470726C
Process for smoldering and hydrogenating bituminous substances
DE474339C
Process for smoldering fine-grained or dust-like, bituminous substances that are carried through the boiler room by means of a gas
DE515911C
Process for smoldering fine-grained or dusty bituminous substances
DE463226C
Heating method for smoldering or drying ovens
DE466618C
Process for drying solid bodies, especially coal
DE446042C
Process for drying damp material by means of the steam emerging from the material and directed into an additional dryer
DE521696C
Standing oven for drying or smoldering lump or dusty goods, especially coal
