一、问题的提出在我国锅炉行业中,生产2t/h以下的小型快装锅炉的厂家很多,每年生产的数量按台份计所占的比重很大,仅我厂近几年来所生产的0.5t/h、1t/h及2t/h快装锅炉的总台数已超过2000台。锅炉的装配质量直接影响整机质量,从而影响它在使用中的安全运行。这几年从用户和劳动部门反馈的信息知:因装配质量而引起的问题尤其突出地表现在下述二个方面: First, the issue put forward In our boiler industry, the production of 2t / h following small fast boiler manufacturers a lot, the annual production of large quantities by Taiwan accounted for a large proportion of only my plant produced in recent years 0.5 The total number of t / h, 1t / h and 2t / h fast boilers has exceeded 2000 units. Boiler assembly quality directly affects the quality of the whole machine, thus affecting its safe operation in use. In recent years, the feedback from users and labor departments shows that the problems caused by the assembly quality are particularly outstanding in the following two aspects: