四氢呋喃和一氟二氯乙烷水合物颗粒聚结特性

doi:10.3969/j.issn.0438-1157.2014.06.014

化工学报 ›› 2014, Vol. 65 ›› Issue (6): 2049-2055.DOI: 10.3969/j.issn.0438-1157.2014.06.014

四氢呋喃和一氟二氯乙烷水合物颗粒聚结特性

刘海红, 李玉星, 王武昌, 张庆东, 赵鹏飞, 高嵩

中国石油大学(华东)储运与建筑工程学院, 山东青岛 266580

收稿日期:2013-06-30 修回日期:2014-01-27 出版日期:2014-06-05 发布日期:2014-06-05
通讯作者: 李玉星
作者简介:刘海红（1989- ），女，硕士研究生
基金资助:
国家自然科学基金项目（51006120）；高等学校博士学科点专项科研基金项目（20110133110004）；中国石油大学（华东）研究生创新工程资助项目（CX-1241）；中央高校基本科研业务费专项资金项目（11CX04048A）。

Agglomeration characterization of THF and HCFC-141b hydrate particles

LIU Haihong, LI Yuxing, WANG Wuchang, ZHANG Qingdong, ZHAO Pengfei, GAO Song

School of Pipeline and Civil Engineering, China University of Petroleum, Qingdao 266580, Shandong, China

Received:2013-06-30 Revised:2014-01-27 Online:2014-06-05 Published:2014-06-05
Supported by:
supported by the National Natural Science Foundation of China (51006120), the Research Fund for the Doctoral Program of Higher Education (20110133110004), the China University of Petroleum "Graduate Student Innovation Project Funded Project" (CX-1241) and the Fundamental Research Funds for the Central Universities (11CX04048A).

摘要/Abstract

摘要： 实验研究了四氢呋喃（THF）水合物和一氟二氯乙烷（HCFC-141b）水合物颗粒聚结特性，将实验得到的水合物颗粒聚结粒度分布（PSD）与正态分布、对数正态分布、伽马分布、威布尔分布拟合曲线对比，探讨了初始四氢呋喃溶液和一氟二氯乙烷溶液浓度以及搅拌速度对水合物颗粒聚结的影响，并对四氢呋喃水合物和一氟二氯乙烷水合物颗粒特性进行了对比。结果表明，四氢呋喃水合物和一氟二氯乙烷水合物颗粒聚结粒径符合对数正态分布；初始溶液浓度越低、搅拌速度越大，水合物颗粒聚结粒径越小，可以起到防治水合物颗粒聚结的作用；四氢呋喃水合物颗粒粒径是一氟二氯乙烷水合物颗粒粒径的1.3倍左右，从成浆输送的角度来说，一氟二氯乙烷水合物颗粒更易于在管道中输送。

关键词: 水合物, 聚结, 粒度分布, 四氢呋喃, 一氟二氯乙烷

Abstract: The objective of the present work was to research agglomeration characterization of tetrahydrofuran (THF) and HCFC-141b hydrate particles. Experimental hydrate particle size distributions (PSD) were compared to classical normal, log-normal, Gamma, Weibull distributions. The effects of initial THF and HCFC-141b solution concentration and stirring rate on the hydrate particles agglomeration were also studied. The particle characterizations of THF hydrate and HCFC-141b hydrate were compared. THF and HCFC-141b hydrate particle size distributions were in accordance with log-normal distribution. The lower the initial solution concentration and the greater the stirring speed, the smaller the hydrate particle size was, that is to say, this treatment could prevent particle agglomeration. HCFC-141b hydrate particles was approximately 1.3 times smaller than THF hydrate particles. HCFC-141b hydrate particles was easier to form slurry and more convenient for pipeline transportation.

Key words: hydrate, agglomeration, particle size distribution, tetrahydrofuran, HCFC-141b

中图分类号:

TE88

刘海红, 李玉星, 王武昌, 张庆东, 赵鹏飞, 高嵩. 四氢呋喃和一氟二氯乙烷水合物颗粒聚结特性[J]. 化工学报, 2014, 65(6): 2049-2055.

LIU Haihong, LI Yuxing, WANG Wuchang, ZHANG Qingdong, ZHAO Pengfei, GAO Song. Agglomeration characterization of THF and HCFC-141b hydrate particles[J]. CIESC Journal, 2014, 65(6): 2049-2055.

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四氢呋喃和一氟二氯乙烷水合物颗粒聚结特性

Agglomeration characterization of THF and HCFC-141b hydrate particles

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