| 摘要 |
A pressure vessel for use in hot isostatic pressing, and particularly relates to an internally cooled pressure vessel to solidify powders and heal cracks and voids in castings. The vessel (10) comprises: a high pressure containment (11) forming a pressure chamber (49) with an inner shell (20) and a liner (16), a top manifold (36) with a plurality of ports (30), a bottom manifold (24) with a plurality of ports (38, a top end flange (14) having a recess for mating with the top manifold (36) and having portions defining a plurality of holes (12); a bottom end flange (26) having a recess (33) for mating with the bottom manifold (24) and having portions defining a plurality of holes (12). A plurality of tie rods (34) is provided residing simultaneously within one of the top flange holes (12) and one of the bottom flange holes (12). The vessel has a floating liner that can be removed and inspected and introduces pressure through a separate manifold. The vessel is not susceptible to the formation of a temperature gradient across the outer wall of the cylinder, accomplishes internal cooling of the shell without penetrations to the shell by means of cooling channels provided between the shell and the liner, permits inspection, by visual, ultrasonic and magnetic particle means, avoids stress concentrations due to pressure ports. <IMAGE> |
