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0 引 言黑龙江黑化集团有限公司在“八·五”期间利用亚行贷款 ,改扩建了 1套年产 1 8万ｔ合成氨 ,2 8万ｔ尿素 ,副产 3万ｔ甲醇装置。主要生产工艺为 :以焦炭为原料 ,采用固定床富氧 (Ｏ2 =5 0 % )加蒸汽连续制气 ,栲胶法低压脱硫 ,ＣＯ中温变换 ,ＮＨＤ脱硫、脱炭 ,甲醇化
0 Introduction Heilongjiang Black Chemical Group Co., Ltd. used “ADB loans” during the “8.5” period to reform and expand one set of 18,000 tons of synthetic ammonia and 28,000 tons of urea and 30,000 tons of methanol by-product. The main production process is as follows: using coke as raw material, using fixed bed oxygen enrichment (O2 = 50%) plus steam continuous gas production, low pressure desulfurization by viscose method, moderate temperature shift of CO, NHD desulfurization,