对电焊工尘肺本质的认识,也象人类对其他疾病本质的认识一样,并不象山涧清溪,可以一见到底,而是象深邃的海洋,在波涛汹涌的水面底下,蕴藏着无穷的奥秘。我们在认识电焊工尘肺本质这个复杂的认识过程中,付出了艰苦的劳动,经过一个由物质到精神,由精神到物质的多次反复、发展的过程,才探索到电焊工尘肺的奥秘。一、敢于向旧学说挑战大连造船厂已有87年历史,解放前以修船为主,劳动条件极差,从现场观察中我们发现电焊工整天在烟尘浓度较大的船舱内施焊,多数工人经常出现胸闷、气短、咳喘等症状。经过健康普查,发现一些工龄较长的工人在 X 线胸片上有弥漫分布的点状结节阴影。这些肺部改变对电焊工健康 The understanding of the nature of the welder’s pneumoconiosis, like the human being’s understanding of the essence of other diseases, is not like the stream of the stream, but can be seen at the end. It is like a deep ocean, with infinite mysteries lying under the rough surface of the water. We have worked hard to understand the complex nature of the nature of the welder’s pneumoconiosis. After a process of material-to-spiritual and spiritual-to-material repetition and development, we discovered the mystery of the welder’s pneumoconiosis. First, the courage to challenge the old doctrine Dalian Shipyard 87 years of history, mainly to ship repair before liberation, poor working conditions, from the site observation we found that welders all day in a larger concentration of soot inside the cabin welding, Most workers often appear chest tightness, shortness of breath, cough and other symptoms. After a healthy census, it was found that some workers with longer working age had a diffuse shadow of punctate nodules on the X-ray chest. These lung changes to the welder’s health