前言我国小型锅炉的数量相当大 ,特别是２０Ｔ／ｈ以下的小型工业及民用锅炉 ,大约５０万台 ,遍布全国 ,且大部分锅炉为人工手动操作 ,只有部分燃油燃气锅炉自动化程度较高。总体来讲 ,锅炉的运行、管理水平都比较低 ,每年因为锅炉及辅机配件质量问题或司炉工操作不当引起的锅 Preface The number of small boilers in our country is rather large. Especially for small industrial and civil boilers below 20T / h, about 500,000 units are all over the country. Most of the boilers are manually operated and only some of them are highly automated. Overall, the boiler operation, management level is relatively low, each year because of boiler and auxiliary parts quality problems or improper operation caused by the stoveman pot