每到冬季,常有不法分子利用煤的销售旺季,卖煤时掺杂掺假、以次充好,欺骗消费者牟取暴得。为了使消费者正确选购取暖煤,下面介绍几种煤的识别常识,供消费者参考。烟煤 也称长烟煤或大烟大火煤,呈灰黑色或黑色,表面有油润光泽,易燃火焰长,产生大量煤烟,结焦性较强。无烟煤 又称白煤或柴煤,呈 Every winter, criminals often use the sales season of coal, coal doping adulteration, shoddy, cheating consumers to relentlessly. In order to make the right consumers to buy warm coal, the following description of several coal identification common sense, for consumer reference. Bituminous coal, also known as long bituminous coal or large coal smoke, was gray black or black, shiny surface of the oil, flammable flame long, resulting in a large number of soot, strong coking. Anthracite, also known as white coal or coal, was