我厂锅炉烧火,原是用人工加煤,劳动强度大,煤也不能充分燃烧,造成了人力物力上的极大浪费。一九七三年,锅炉工同志发扬了“艰苦奋斗”、“自力更生”的精神,在认真学习外单位先进经验的基础上,自己动手制造成功了一台三级粉煤机。本机通过三级粉煤,把装在漏斗里的煤粉成煤粉,然后由风扇自动吹入炉膛,大大减轻了锅炉工人的劳动强 I plant boiler fire, the original is to use artificial coal, labor-intensive, coal can not be fully burned, resulting in a great waste of manpower and material resources. In 1973, the comrades of the boiler industry carried forward the spirit of “hard work” and “self-reliance” and, on the basis of earnestly studying the advanced experience of the external units, successfully manufactured a three-stage pulverizer by themselves. The machine through the three levels of pulverized coal, put the funnel in the pulverized coal into coal, and then automatically into the furnace by the fan, greatly reducing the boiler workers labor