1·The flow sheet and operation in phthalic anhydride plant system after the adding partial condensator were introduced.
介绍了苯酐装置系统中增加部分冷凝器的流程，操作讨论了加部分凝冷器前后的经济效益。
2·Its equipment is formed from fan, flammable gas source, combustor, feeder, spouted bed, cyclone separator, static dust-remover, condensator, flowmeter, thermometer and control device.
其装置由风机、可燃气体源、燃烧器、加料器、喷动床、旋风分离器、静电除尘器、冷凝器及流量计、温度计、控制装置等组成。
3·Based on character of host condensator, degree of super-cooling of vacuum-condensed water is researched. System design rule, model and realization method are illustrated in detail.
从主冷凝器的特性出发，对真空-凝水过冷度控制系统进行了深入地研究，详细阐述了系统的设计准则、设计模型及实现方法。