介绍了催化裂化装置中主风机机组的组成，以及不同型式的鼓风机其入口管系的不同配置。
The composition of main air blower set of catalytic cracking unit. The different types of blower and its different inlet pipe system arrangement were recommended.
介绍了大型硫磺制酸装置中空气鼓风机安全保护系统的设计方法。
The design method of safety protection system of air blower in large scale device of producing sulphuric acid from sulphur was described.
结合陕西鼓风机（集团）有限公司生产制造的风机机组低压辅机系统的特点，阐明了电动机软启动装置的应用。
The paper also describes its application in combination with the features of a low voltage auxiliary system produced by the Shaanxi Blower(Group) Co.
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