介绍聚酯装置的真空系统的流程、 乙二醇蒸气喷射泵的外型型式设计、 支座设计、支座弹簧选择及乙二醇蒸气喷射泵配管设计中的要点。
The vacuum system process of PET unit, the design of EG steam ejector shape and support, the selection of support spring and the main points in the ejector pipe design are introduced.
介绍了两种不同的湿法脱硫强制氧化装置：固定式空气喷射器强制氧化装置和搅拌器、空气喷枪组合式强制氧化装置。
Two forced oxidation devices of flue gas desulfurization in power plants are introduced, including fixed air sparger(FAS) and agitator air lance assemblies(ALS).
对利用低温位热能来驱动的几种制冷装置性能进行了比较，以喷射式制冷为基础，以HCFC - 123为工质的制冷装置是比较理想的新型空调用制冷装置。
Through comparing on performance of some refrigeration drived by potential energy of low temperature. A new refrigeration based on jet compress with HCFC-123 is found.
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