Development of Pressurized Electroslag Remelting Equipment and Process Technology

Liu Fubin; Jiang Zhouhua; Li Huabing; Feng Hao; Dong Junwei; Zhang Quyi; Zheng Huaibei

doi:10.20057/j.1003-8620.2024-00097

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Development of Pressurized Electroslag Remelting Equipment and Process Technology

Overview | 更新时间：2025-05-09

- Development of Pressurized Electroslag Remelting Equipment and Process Technology
- Special Steel Vol. 45, Issue 4, Pages: 26-33(2024)
- 作者机构：
  
  1.东北大学冶金学院，沈阳 110819
  2.辽宁省沈抚改革创新示范区东大工业技术研究院，沈抚改革创新示范区沈阳 110172
  3.成都先进金属材料产业技术研究院股份有限公司，成都 610300
- 作者简介：
- 基金信息：
- DOI：10.20057/j.1003-8620.2024-00097
  CLC： TF744
- Received：18 April 2024，
  
  Published：30 July 2024
- 稿件说明：
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刘福斌,姜周华,李花兵等.加压电渣重熔装备与工艺技术开发[J].特殊钢,2024,45(04):26-33.

Liu Fubin,Jiang Zhouhua,Li Huabing,et al.Development of Pressurized Electroslag Remelting Equipment and Process Technology[J].Special Steel,2024,45(04):26-33.
刘福斌,姜周华,李花兵等.加压电渣重熔装备与工艺技术开发[J].特殊钢,2024,45(04):26-33. DOI： 10.20057/j.1003-8620.2024-00097.

Liu Fubin,Jiang Zhouhua,Li Huabing,et al.Development of Pressurized Electroslag Remelting Equipment and Process Technology[J].Special Steel,2024,45(04):26-33. DOI： 10.20057/j.1003-8620.2024-00097.

摘要

加压电渣重熔是目前工业化制备高氮钢和高氮合金最为有效的生产路线，是当今电渣冶金领域的研究热点和前沿技术。介绍了加压电渣重熔成套设备、工艺技术发展和主要产品特点。对当前加压电渣炉装备中氮化合金加料系统和水-气动态平衡系统等核心部件进行综述；针对加压电渣重熔生产中的工艺难点，阐述了氮化合金增氮和气相增氮技术的机理和方法、新型高效发热精炼重熔渣系开发及元素精准控制等新工艺技术发展。近年来，随着国内新建的系列国产化中试规模加压电渣炉的应用和系列高氮钢产品的成功研制，我国在加压电渣重熔成套装备的自主研制和工艺技术开发上取得的较大突破，并逐步向国际先进水平迈进。同时，深入开展工业级加压电渣重熔成套装备的自主研制和工艺技术研发，保障我国航空、航天和军工等领域高端高品质特殊钢和特种合金等急需的关键材料制备，是我国发展现代电渣冶金技术的重要方向。

Abstract

Pressurized electroslag remelting （PESR） is currently the most effective production route for industrial preparation of high nitrogen steel and high nitrogen alloys， and is currently a research focus and the most advanced technology in the field of electroslag metallurgy. This article introduces the development of the integrated line equipments， process technology， and main product characteristics of PESR. A review is conducted on the core components of the nitrogen alloy feeding system and water-gas dynamic balance system in the current PESR furnace equipment. In response to the current technological difficulties in PESR process， this paper elaborates on the development of new technologies such as the mechanism and method of nitrogen addition and gas-phase nitrogen addition technology for nitriding alloys， development of a new high-efficiency heating refining remelting slag system， and precise element control. In recent years， with the application of series newly built domestically produced pilot scale PESR furnaces and the successful development of series of high nitrogen steel products， China has made a significant breakthroughs in the integrated line equipment independent research and technological development， and gradually stepped forward to the international advanced level.At the same time， deepening the independent research and development of industrial grade PESR equipment and process technology research and development， ensuring the preparation of key materials urgently needed for high-quality special steels and special alloys in China's aviation， aerospace， and military industries fields and so on， is an important direction for the development of modern electroslag metallurgy technology in China.

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references

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