除鳞机除鳞环改进
Plant Maintenance Engineering（2013）
Abstract
<正>1.问题生产钻杆管体的专业厂家,需要对钻杆管体进行热处理,900℃左右的钻杆管体从淬火炉出来,立即由除鳞机对钻杆管体表面进行除鳞,紧接着由淬火床淬火,回火炉回火。主要问题是除鳞机除鳞环长期在15MPa高压状态下,进水口与除鳞环处焊缝频繁发生细微开裂(图1),导致除鳞压力降低,钻杆管体外
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