中药更年安浸取液汽液固三相流自然循环蒸发浓缩  

NATURAL CIRCULATING EVAPORATION OF LIQUID EXTRACT OF GENGNIAN' AN OF TRADITIONAL CHINESE MEDICINE WITH VAPOR-LIQUID-SOLID FLOW

作　　者：刘明言[1] 姜峰[1] 孙永利[1] 元英进[1] 李修伦[1] 林瑞泰[1] 聂万达[2] 张汝成[2] 沈启民[2] 李鑫荣[2] 江大志[2] 方鹏[2] 

机构地区：[1]天津大学化工学院,天津300072 [2]天津中新药业集团股份有限公司乐仁堂制药厂,天津300380

出　　处：《化工学报》2003年第7期1029-1031,共3页CIESC Journal

基　　金：国家青年科学基金 (No 2 0 10 60 12 );天津市科委中药现代化专项基金 (No 0 13 10 86112 );天津市131人才引进基金;天津大学青年教师科研启动基金~~

摘　　要：Preliminary experimental studies on evaporation of Gengnian’an liquid extract of traditional Chinese medicine(TCM)with vapor-liquid-solid flow boiling technique were carried out in a transparent natual circulating three-phase evaporator. The height of the heating tube is 2.5 m with an inner diameter of 0.038 m and an outer diameter of 0.045 m. The cylindrical solid particles with a diameter of 0.0025 m and a length of 0.0025 m is made of a kind of inert material that does not interact with the liquid of Gengnian’an. The heat energy for the evaporator was supplied by the electric heating system. It was shown that the presence of the solid particles could enhance the process of heat transfer since the heat transfer coefficients in vapor-liquid-solid boiling system was about 1.5-2.0 times that of the vapor-liquid boiling system when the heat flux was constant. On the other hand,fouling prevention and a lower wall temperature were also seen when the solid particles were present. The quality of concentrated liquid of TCM would be improved.Preliminary experimental studies on evaporation of Gengnian'an liquid extract of traditional Chinese medicine(TCM)with vapor-liquid-solid flow boiling technique were carried out in a transparent natual circulating three-phase evaporator. The height of the heating tube is 2.5 m with an inner diameter of 0.038 m and an outer diameter of 0.045 m. The cylindrical solid particles with a diameter of 0.0025 m and a length of 0.0025 m is made of a kind of inert material that does not interact with the liquid of Gengnian'an. The heat energy for the evaporator was supplied by the electric heating system. It was shown that the presence of the solid particles could enhance the process of heat transfer since the heat transfer coefficients in vapor-liquid-solid boiling system was about 1.5-2.0 times that of the vapor-liquid boiling system when the heat flux was constant. On the other hand,fouling prevention and a lower wall temperature were also seen when the solid particles were present. The quality of concentrated liquid of TCM would be improved.

关 键 词：传热强化 汽液固三相流 流动沸腾 防垢 中药浸取液 更年安 自然循环 

分 类 号：TQ461[化学工程—制药化工]