ROTARY HYDROCYCLONE FOR OIL-WATER SEPARATION

赵宗昌; 刘兆东; 沙庆云; 徐维勤; 沈自求

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ROTARY HYDROCYCLONE FOR OIL-WATER SEPARATION

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- ROTARY HYDROCYCLONE FOR OIL-WATER SEPARATION
- CIESC Journal Issue 1, (1997)
- 作者机构：
  
  大连理工大学化学工程研究所,大连理工大学化学工程研究所,大连理工大学化学工程研究所,大连理工大学化学工程研究所,大连理工大学化学工程研究所大连 116012,大连 116012,大连 116012,大连 116012,大连,116012
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q051
- Online First：25 February 1997，
  
  Published：25 February 1997
- 稿件说明：
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赵宗昌, 刘兆东, 沙庆云, et al. ROTARY HYDROCYCLONE FOR OIL-WATER SEPARATION[J]. CIESC Journal, 1997, (1).
DOI：

赵宗昌, 刘兆东, 沙庆云, et al. ROTARY HYDROCYCLONE FOR OIL-WATER SEPARATION[J]. CIESC Journal, 1997, (1). DOI：

摘要

引言水力旋流器早期用于悬浮液的液固分离.与液固分离相比

油水分离要难得多.这主要在于:油水密度差较液固密度差小得多;旋流器内高速旋转流体的剪切力及湍动作用会造成油(水)滴的破碎.这些因素的存在

使其分离效率降低.80年代后

通过对旋流器结构的改进

使其在水脱油方面的分离效率显著提高

旋流器开始走向油水分离的使用阶段。与水脱油相比

油脱水(如原油脱水)更为困难.其主要原因是在剪切力及湍动作用下

水滴更易破碎

同时

由于油的粘度远高于水的粘度

使水滴的迁移与合并更加困难.因此

水力旋流器用于油脱水

其分离效率仍很低.最近

BP Exploration公司采用 Vortoil预分旋流器将原油含水量降至 20％

再用直流脉冲感应聚结器进行水滴聚结

最后用转动式旋流器将含水量降至0.5％.

Abstract

A new type of rotary hydrocyclone for oil-water separation was presented. Its performance was studied by using blend oil-water and kerosene-water systems. The results showed that this rotary hydrocyclone was superior to the static one. Its maximum efficiency was raised significantly. Its operating range was 2 times of that of the static one. Its overflow rate at maximum efficiency was about 1.25-2 times of that of the static one.

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