基于钛合金回收料的多元素封装与电极组焊熔炼方法

By wrapping granular alloys in aluminum foil and combining it with a vacuum consumable arc furnace, the problem of low recycling rate of titanium alloy waste has been solved, enabling the efficient and low-cost preparation of various titanium alloys and improving compositional uniformity and equipment compatibility.

CN122012934BActive Publication Date: 2026-07-17LUOYANG SUNRUI TI PRECISION CASTING

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
LUOYANG SUNRUI TI PRECISION CASTING
Filing Date
2026-04-16
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The low recycling rate of titanium alloy scrap and the difficulty in adding granular alloys lead to uneven composition after electrode assembly welding, affecting the quality of titanium ingots. Existing technologies make it difficult to achieve efficient and low-cost preparation of various titanium alloys.

Method used

A granular alloy is wrapped in aluminum foil and encapsulated in a pure titanium welded tube to form an alloy package. Linear alloying elements are added in sections in the form of wires or strips, and the composite electrode structure is prepared by melting in a vacuum consumable arc furnace to ensure the uniformity and stability of the composition.

Benefits of technology

It improves the recycling rate of titanium alloy waste, ensures compositional uniformity, reduces operational complexity and cost, is applicable to the preparation of various titanium alloys, and improves equipment compatibility and process stability.

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Abstract

本发明提供一种基于钛合金回收料的多元素封装与电极组焊熔炼方法,包括:以钛合金回收料为基体,根据目标钛合金成分要求,设计合金配比;线状或条状合金元素以丝状或条状形式分区加入;颗粒状合金采用铝箔包裹成长条状,封装于纯钛焊管中,两端密封,形成合金包;将海绵钛与合金包按比例分层加入,采用卧式或立式压机压制电极,形成为复合电极结构;电极在烘箱内烘干;采用氩气保护焊将电极焊接成规定长度;采用真空自耗电弧熔炼炉进行熔炼;根据电极规格设置冷却时间,冷却后放气,取出钛锭。通过优化配料方式、电极组焊结构、熔炼工艺,解决颗粒状合金的添加难题,提升合金成分均匀性和钛锭质量,适用于多种钛合金的回收与再利用。
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