摘要
为了开发高效的新型规整填料,文中设计一种全新结构的规整填料(DP-1填料),利用3D打印技术制作,并用空气-水、环己烷-正庚烷物系分别进行了流体力学实验和传质实验。实验结果表明:DP-1填料的压降和持液量都随气相F因子的增大而增大,泛点气速随喷淋密度的增加而减小,每m理论板数可达8块。根据实验现象及结果可知,与传统规整填料相比,DP-1填料的操作弹性小,传质性能较为优良,其中主通道的颈缩区域尺寸、径向开孔尺寸以及通道壁厚尺寸为影响DP-1填料性能的主要结构因素。研究结果表明3D打印技术为新型规整填料的研究和工业化开辟了新的思路。
To develop an efficient structured packing, a novel structured packing (DP-1 packing) was presented using 3D printing technology. Then the hydrodynamics and mass transfer experiments were carried out with air-water system and cyclohexane/ n -heptane mixture. The experimental results show that the pressure drop and liquid holdup of the DP-1 packing increase with the increase of the F factor of the gas phase, the flood point gas velocity decreases with the increase of the spray density, and the HETP can be up to 8 plates. According to the experimental phenomena and results, compared with the traditional structured packing, DP-1 packing has less operational elasticity, but its mass transfer performance is excellent and the dimensions of necking area, radial opening and the thickness of the channel wall are the main geometrical factors that affect the DP-1 packing′s performance. 3D printing technology opens up a new thought for the research and industrialization of new structured packing.
作者
刘洋
魏峰
李家晟
吴泽
史晓平
陶金亮
LIU Yang;WEI Feng;LI Jia-sheng;WU Ze;SHI Xiao-ping;TAO Jin-liang(School of Chemical Engineering and Technology,Hebei University of Technology,Tianjin 300130,China)
出处
《化学工程》
CAS
CSCD
北大核心
2019年第9期39-43,共5页
Chemical Engineering(China)
关键词
规整填料
3D打印
DP-1
流体力学实验
传质实验
structured packing
3D printing
DP-1
hydrodynamic experiment
mass transfer experiment
