在八○年全国小吨位锅炉技术改造的热潮中,出现了螺旋下饲式明火反烧法。从当时的实际情况来看,确实起到了消烟、除尘、节能的好效果,而且投资少,见效快。因而,各省市竞相采用。同时,螺旋输送器因为其下饲的特点也为各行业所引用。 然而历经几年,发现很多单位的现有设备已废弃或停止不用。究其原因,问题 In the boom of technological transformation of small-tonnage boilers nationwide in 1980, a screw-fed open flame anti-burn method appeared. From the actual situation at that time, really played a good effect of smoke, dust, energy saving, and less investment, quick. Therefore, the provinces and cities competing to adopt. At the same time, screw conveyor because of its feeding characteristics are also cited by various industries. However, after several years, it was found that the existing equipment of many flats was abandoned or stopped. The reason, the problem