前言 冻煤在北方地区冬季电业生产中,不仅因其卸車困难造成車辆积压,铁路堵塞,而且直接影响电厂和煤矿的正常生产。每年为卸冻煤不得不化費大批劳动力,其劳动环境之差,劳动强度之大也是十分惊人的。 卸冻煤是个老大难問題,是一項新技 Foreword In the winter electric industry production of frozen coal in the northern region, not only is it difficult to unload vehicles, causing backlogs of vehicles, railway congestion, but also directly affecting the normal production of power plants and coal mines. Every year, in order to unload the frozen coal, it is necessary to spend a large amount of labor. The difference in the labor environment and the labor intensity are also astonishing. Unloading frozen coal is a long-standing problem and it is a new technology