Supergravity directional solidification fusion casting furnace device

Abstract

The invention discloses a supergravity directional solidification fusion casting furnace device. The supergravity directional solidification fusion casting furnace device comprises a supergravity testcabin, and a high-temperature heating subsystem and a crucible and air cooling system which are installed in the supergravity test cabin; a wiring electrode and a cooling gas valve device are installed in the supergravity test cabin; the high-temperature heating subsystem is fixed in the supergravity test cabin, and the crucible and the air cooling system are arranged in the high-temperature heating subsystem; the high-temperature heating subsystem comprises an upper furnace body, a middle furnace body, a lower furnace body, a mullite heat preservation layer, an upper heating cavity outer body, a lower heating cavity outer body, an upper heating furnace pipe, a lower heating furnace pipe and a crucible supporting base; a high temperature heating cavity is divided into an upper part and alower part, a spiral groove is arranged in the high temperature heating cavity, and a heating body is adopted; a ventilating pipeline for introducing cooling gas is arranged in the crucible supportingbase; the crucible and air cooling system comprises an air inlet and outlet pipe, a cooling base, a cooling speed adjusting ring, a crucible and an air outlet cover. The supergravity directional solidification fusion casting furnace device is used in a supergravity environment, the key problem of directional solidification temperature gradient casting in a high-speed rotating state is solved, theblank of the domestic technical industry is filled, and the device is simple and convenient to operate.

Description

technical field [0001] The invention relates to a high-gravity material test device in the technical field of material preparation and directional solidification, in particular to a high-gravity directional solidification melting and casting furnace device. Background technique [0002] As the thrust-to-weight ratio of modern aero-engines increases and the number of turbine stages decreases, the gas inlet temperature before the turbine has developed from 1400-1500K in the 1970s to 1600-1750K at the beginning of this century. Up to 2000-2200K, which puts forward higher performance requirements for the core hot end components of the engine. As one of the key components of the hot end components, the working blades of the high-pressure turbine work under coupled loading conditions such as high temperature, high pressure, high speed, and alternating load for a long time during service. [0003] As one of the key components of the hot end parts of aero-engines and gas turbines, ...

AI Technical Summary

Problems solved by technology

[0006] What the present invention needs to solve is to solve the problem that the material is difficult to directional solidify and cast under the above-mentioned high-gravity and high-temperature test conditions, and to provide a directional solidified melting and casting furnace for materials in a high-speed-high-temperature coupled environment, which is simple to assemble, easy to use, and has a high safety factor. It can be used for directional temperature gradient solidification under high gravity conditions, making it possible to prepare single crystal alloys under high gravity

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