Smelting method of aluminum-free high-temperature alloy

The invention belongs to the technical field of alloy materials, and discloses an aluminum-free high-temperature alloy smelting method which comprises the steps of raw material distribution, melting and melting down under limited pressure, low-temperature quenching and tempering treatment, high-temperature purification treatment, electrified pouring and the like, and smelting of an aluminum-free high-temperature alloy is completed. By the adoption of the method, the content of impurities such as oxygen, nitrogen and sulfur can be effectively reduced, meanwhile, the content of scum is reduced, the purity is improved, and the comprehensive quality of the alloy is improved. 本申请属于合金材料技术领域，公开了一种不含铝高温合金的熔炼方法，包括原材料布料，限压下的熔化与熔清，低温调质处理，高温净化处理以及带电浇注等步骤，完成不含铝高温合金的熔炼。采用本申请所述的方法，能够有效降低氧、氮和硫等杂质含量，同时减少浮渣含量，提升纯净度，提高合金综合品质。