我厂是专业铸造厂。年产铸件5000t。有砂型烘干窑5座和一座15t的铸件时效窑。年用煤量4000t。原来这几座炉子均采用传统的正烧方法,这种燃煤方式有以下缺点: 1.排烟量大(在林格曼4级以上),为此环保局每年罚款7.2万元。 2.耗煤量大。我厂因用煤超指标而被罚款。 3.劳动强度大。劳动环境差,操作者整天在烟薰 Our factory is a professional foundry. Casting an annual output of 5000t. There are 5 sand drying kiln and a 15t castings aging kiln. Annual coal 4000t. The original number of these stoves are using the traditional method of burning, this coal has the following disadvantages: 1. Large amount of smoke (at Ringman Level 4 and above), for which the EPA fined 72,000 yuan each year. 2. Large amount of coal consumption. Our factory was fined for using the super index of coal. 3 labor-intensive. Poor working environment, the operator all day smoke smoked