The pollution of the raw gold ore roasting system has resolved successfully after re-design and modification on the other hand the usage of heat exchanger reduces the coal consumption.
The modification of the asphalt with anthracitic coal and coke were studied in this paper.
采用无烟煤和焦炭对国产普通沥青进行了改性研究。
3
The problem existing in the original resistance type level indicator is analyzed. The superiority of applying electronic sensor to measure coal level and modification process are narrated in detail.