共查询到19条相似文献,搜索用时 250 毫秒
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通过微碳铬铁电炉炉衬的解剖和取样检测,论述了冶炼过程中炉衬的侵蚀机理及影响炉衬寿命的主要因素,并指出了延长炉衬寿命的几点简要看法。 相似文献
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本文通过对损坏碳素铬铁炉衬主要原因的分析,提出几种维护炉衬的基本措施,并介绍了几种炉衬被损坏时对其进行补救处理的方法。 相似文献
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本文通过介绍电炉炉衬的侵蚀机理、电炉炉衬材料、合理的炉衬烘烤烧结工艺以及良好的工艺操作等方面分析了影响炉衬寿命的主要因素,并简要地提出了提高电炉炉衬寿命的几项措施。 相似文献
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通过攀钢转炉提钒投产12个炉役以来炉衬使用情况的比较,分析了转炉提钒操作对转炉炉衬各部位的影响及镁碳工作层的损毁过程,提出了几点提高炉龄的建议。 相似文献
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高炉炉衬检测方法的研究 总被引:1,自引:0,他引:1
针对高炉炉衬在生产过程中所起的重要作用,必须加强对炉衬的日常监视,发现问题及时处理,以免造成重大事故.本文重点介绍了几种常用的高炉炉衬的检测方法,包括热电偶法、电阻法、电容法、激光测距法以及多传感器融合检测法等,分析了这几种方法存在的不足之处,并给出了一种准确、可靠的高炉炉衬的检测方法. 相似文献
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目前,世界上已有几十座炼铁高炉利用铜冷却壁的超强冷却作用,形成一个无过热炉衬冷却系统,并在炉衬表面形成稳定的渣皮以防止炉衬受侵蚀,从而延长高炉使用寿命。这一新技术应快速移植到有色冶炼系统中来,解决有色冶炼炉炉衬侵蚀严重、炉龄短的难题。 相似文献
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介绍了矿热炉“冷凝”炉衬技术的研究现状和未来发展趋势,分析了矿热炉炉衬侵蚀边界的监测手段,提出国内“冷凝”炉衬技术研究应从以下4个方面开展:“冷凝”炉衬中凝固壳厚度动态变化机理、热电偶的精确测温技术、铁合金产品和炉衬材料选择及结构的对应关系、结合矿热炉冶炼特性和相关温度测量数据构建监测炉衬侵蚀的数学模型. 相似文献
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高炉炉衬结构包括本体内衬耐火材料、砌筑方式、炉衬冷却方式。合理的炉衬结构形式是高炉长寿的前提,本文着重介绍鞍钢新1号3200m^3高炉炉衬结构特点。 相似文献
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Experimental data on the temperature distribution over the lining thicknesses of the walls, roof, and bottom of a 6-t arc
steel-melting furnace are processed. The time dependence of the heat flux density distribution over the lining thickness is
determined, and the change in the enthalpy of the lining during a heat is found. Recommendations for the rational use of the
heat accumulated by the lining during furnace downtime are given. 相似文献
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大型炼铁高炉的料流设备对耐磨衬板有着非常苛刻的要求,通过对已经使用的各种材料作对比,硬质合金耐磨衬板是比较理想的耐磨材料。研究了进一步提高硬质合金耐磨衬板的抗冲击性、耐磨性及耐高温性的技术措施,开发更为适用的硬质合金耐磨衬板。 相似文献
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AO Huang Huazhi Gu Meijie Zhang Ning Wang Ting Wang Yang Zou 《Metallurgical and Materials Transactions B》2013,44(3):744-749
According to parameters of the refining ladle with argon bottom blowing, the mathematical model describing the erosion behavior of ladle lining materials was established, the flow process of molten steel and thermal transmission of ladle lining were coupled, and the erosion of ladle lining in the condition of blowing argon at the bottom was researched. It has been found that either single or double blowing is applied, the larger erosion rates are mainly distributed in the slag line and the area of ladle lining near purging plugs, and the erosion is accelerated with the gas flow rate increasing, so the areas with higher erosion rates of the lining should be enhanced to avoid early partial damage. The erosion rate of ladle lining with double blowing is larger and the distribution of erosion is obviously different as the gas flow rate is increasing; serious erosion areas are in the slag line region and the higher erosion areas are concentrated on the slag lining and extended toroidally. And, as the distance between the purging plug and the lining of ladle is shortened, the partial erosion is easy to deteriorate and the refractories in the area with higher erosion rate need specialized selection and design. Meanwhile, the purging plug should be located away from the lining wall under the condition of good blowing effect in order to avoid increasing of the partial erosion and shortening of the lining service life. 相似文献