针对我国钢铁企业存在风温低、高热值煤气短缺的情况，提出了一种利用单一低热值高炉煤气获得高风温的前置预热工艺技术。
A new front preheating process to get higher blast temperature on pebble stove was put forward according to low blast temperature and shortage of high heat value gas in Chinese iron and steel industry .
高热值煤气