Patent ID: 11951540
Assignee: ZHEJIANG UNIVERSITY
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C  H | IPC B  H

Claim 3:
4. The supergravity directional solidification melting furnace equipment according to claim 3, wherein the cooling air valve device is provided in the supergravity test chamber and comprises an inner hexagon screw, a vent valve base, a sealing sleeve and a sealing member; the vent valve base is a structure with a large end and a small end, a center of a large end surface of the vent valve base is provided with an air pipe fixing screw hole, which is connected with an air supply pipe or an exhaust pipe outside the supergravity test chamber in a sealed manner, the large end surface of the vent valve base around the air pipe fixing screw hole is opened with a mounting screw hole, the sealing sleeve is sleeved on the small end of the vent valve base and on a step between the small end and the large end of the vent valve base, the sealing sleeve is provided with a connecting screw hole corresponding to the mounting screw hole, the inner hexagon screw passes through the mounting screw hole and the connecting screw hole and then is connected to a threaded mounting hole on the side wall of the supergravity test chamber, in this way, the vent valve base and sealing sleeve are arranged on the supergravity test chamber, the sealing member is arranged between the inner hexagon screw and the mounting screw hole of the vent valve base; the small end of the vent valve base penetrates the sealing sleeve and extends into the supergravity test chamber, an air pipe connecting screw hole is opened in a center of a small end surface of the vent valve base inside the supergravity test chamber, the air pipe connecting screw hole and the air pipe fixing screw hole are communicated through an internal passage of the vent valve base, the air pipe connecting screw hole is connected with the air pipe on the air supply bracket inside the supergravity test chamber in a sealed manner.