一、前 言 三井造船公司自1956年以来,设计并制造了很多氧气、硝酸装置、工厂空气源及其他流程空气源用离心式压缩机。在其丰富的经验及所积累的高超技术基础上,又研制了效率更高的新型三井等温压缩机。 过去,空气压缩机的用途较广,各制造厂家制造了具有不同特点的各种类型的压缩机。 I. Preface Mitsui Construction Company has designed and manufactured many centrifugal compressors for oxygen, nitric acid plant, factory air source and other process air sources since 1956. On the basis of its rich experience and accumulated superb technology, it has also developed a new type of isothermal isothermal compressor with higher efficiency. In the past, air compressors were used for a wide variety of purposes, and various manufacturers made various types of compressors with different characteristics.