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英文: 30is the project to produce 18ton/year synthetic ammonia and 30ton/year urea.The key equipment in the project are the copressor for the mixed gases of nitrogen and hydrogen and the compressor for carbon dioxide.Reciprocating compressor as well as centrifu 中文: 工程就是建成年生产能力达到18万吨合成氨、30万吨尿素的项目,项目中的关键设备为氮氢气压缩机及二氧化碳压缩机,压缩机选型正介于往复式压缩机和离心式压缩机之间,国内各设计院在八家立项的以煤为原料的中化肥厂‘18.30’工程初步设计中选何种类型的压缩机争论不休,本文从技术及经济的角度对此作了分析比较,并推荐采用往复式压缩机,以供参考。 更详细... 英文: 417 The transfer medium in this pipeline is liquid ammonia (process air , soft water, alkali liquor, acidic gas).中文: 这条管线的输送介质为液氨（工艺空气、软水、碱液、酸性气体）。 更详细... 英文: A detailed description is given of the problems in the channels for oiling of common oil systems in the large sets of ammonia units and the cleaning method and procedure.中文: 摘要详细介绍了合成氨装置大机组公用油系统油路存在的问题、清洗方法、步骤。 更详细... 英文: A lot of achievements in research and development show that the technological conditions for transition from the integrated methanol to the integrated ammonia process are essentially mature, and as long as the opportunity is seized to make a strategic dec中文: 大量研发成果表明，从联醇向联氢工艺过渡的技术条件是基本成熟的，只要把握时机及时决策，中、小合成氨企业的产品结构调整将大有作为。 更详细... 英文: Adopt a pair of layers the deluxe heat immerses to plate the zinc steel plate, filling the hair bubble to gather the ammonia fat in the center and install to strengthen , become the high strength door a body, have to separate a hot heat preservation goodl中文: 采用双层高级热浸镀锌钢板，中间填充发泡聚氨脂并配置加强筋，形成高强度门体，具有优良的隔热保温，绝缘隔音、美观效果。 更详细... |
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