H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 19/02 (2006.01) F26B 21/14 (2006.01)
Patent
CA 2379243
The apparatus serves for drying solid insulation of an electrical device (40) by means of the heat of condensation emitted by the vapor of a solvent. It has an evacuable autoclave (10) accommodating the solid insulation, as well as an evaporator (20) producing solvent vapor, an evacuable condenser (50), connected to the autoclave (10), for condensing a solvent led out of the autoclave (10) and a vapor mixture containing water, and a heat recuperator (30). In the heat recuperator (30), the solvent acts as heat-absorbing medium and the vapor mixture as heat-emitting medium. In order to keep the energy requirement of this apparatus low, a heat recuperator (30) exposed to the heat-emitting action of the vapor mixture is arranged in the autoclave (10). Solvent led to the evaporator (20) can thus absorb heat from the drying process in a particularly effective fashion. At the same time, by reducing the heat of the vapor mixture led out of the autoclave (10), only low requirements are made of the condenser (50) and a connecting conduit (51) between the autoclave (10) and the condenser (50). The drying apparatus can therefore simultaneously also be produced cost-effectively.
Gmeiner Paul
Keller Peter
Micafil Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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