世界范围内环保限制日益严格,因此,经常要求把煤封闭起来贮存,这是很必要的。这种封闭式贮煤系统因地面利用率高,所以使配煤和装卸煤成本很低。露天贮煤,不论是从对空气和水造成污染上,还是考虑煤的潜在损失上,一直是不受欢迎的。荷兰SHV贸易公司的SEC分公司,根据世界范围现行的环保规定, Environmental restrictions are becoming increasingly stringent throughout the world, so it is often necessary to seal the coal for storage. This closed coal storage system has a low cost of blending coal and handling coal because of its high ground utilization rate. Open pit coal storage has been unwelcome, both in terms of pollution of air and water, or in the potential loss of coal. SEC branch of the Netherlands SHV trading company, according to the current worldwide environmental regulations,