Plastic and nonmetallic article shaping or treating: processes – Recycling of reclaimed or purified process material – Of gaseous process material
Patent
1992-10-20
1994-11-22
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
Recycling of reclaimed or purified process material
Of gaseous process material
264234, 264 33, 264344, 264345, 264DIG43, F26B 300
Patent
active
053666739
ABSTRACT:
A method of autoclaving porous piece-goods, by steam under pressure, wherein the autoclaving operation includes sequential phases of heating with steam, holding, and then relaxing the pressure and temperature, wherein the holding phase includes a drying process. In order to obtain as dry a product as possible with the smallest possible energy input, it is provided that a drying process is carried out within the holding phase in which the autoclave is heated more than to compensate for heat losses and to a temperature above the temperature of vaporization of the water so that the material is dried by controlled discharge of steam from the interior of the autoclave. The steam discharged from one or more autoclaves during the drying process is used to heat up at least partially an autoclave to be heated.
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Beckmann Georg
Wosnitza Franz
Zimmermann Georg
Aftergut Karen
Hebel Aktiengesellschaft
Sicowa Verfahrenstechnik Fuer Baustoffe GmbH & Co. KG
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