FIELD: furnaces.
SUBSTANCE: invention relates to treating articles by hot isostatic pressing. Arrangement comprises pressure vessel (1) having furnace chamber (18) and a furnace. Load compartment (19) is formed with at least one top opening and at least one bottom opening. In the load compartment there is fan (30) for circulating pressure medium inside the furnace chamber and improving the internal convection loop. At least one flow generator (31) is arranged for generating a flow of pressure medium into the load compartment downstream the fan and injecting the pressure medium into the load compartment downstream of the fan. Flow is generated by transporting the pressure medium upward from a space below the lower insulating portion and above the lower end portion.
EFFECT: as a result, it is possible to quickly and uniformly cool work pieces.
18 cl, 11 dwg
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|
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