Li Huiquan and Li Zuohu (Institute of Chemical Metallurgy Chinese Academy of Sciences, Beijing 100080) Yao Ping-Jing (Dalian University of Technology, Dalian 116012). STUDY AND APPLICATION OF APPROCH TO OPTIMIZE HEAT-HUMP INTEGRATION BETWEEN LOW- TEMPERATURE DISTILLATION COLUMN AND REFRIGERATION SYSTEM[J]. CIESC Journal, 2000, (S1).
Li Huiquan and Li Zuohu (Institute of Chemical Metallurgy Chinese Academy of Sciences, Beijing 100080) Yao Ping-Jing (Dalian University of Technology, Dalian 116012). STUDY AND APPLICATION OF APPROCH TO OPTIMIZE HEAT-HUMP INTEGRATION BETWEEN LOW- TEMPERATURE DISTILLATION COLUMN AND REFRIGERATION SYSTEM[J]. CIESC Journal, 2000, (S1).DOI:
Based on pinch analysis method and exergy principle
a new approach is developed to optimize the heat-pump integration between low-temperature distillation column and refrigeration system. In this work
our main contribution is dominated to construct the heat-pumping integration exergy grand composite curve
by which the heat-load and temperature level of heat-pump integration between low-temperature distillation column and refrigeration system are visually targeted. Further
the co-efficiency of exergetic performance of heat-pumping integration is presented and formulated
and it is used to quickly evaluate the shiftwork-saving target of refrigeration system resulted from the heat-pump integration. An ethylene plant cold end case study
which requires to de-bottleneck the bad interaction between ethylene column and propylene refrigeration system
is introduced to demonstrate and validate the presented heat-pump integration approach.