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首页> 外文期刊>Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers >Experimental study on the separation performance of air-injected de-oil hydrocyclones
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Experimental study on the separation performance of air-injected de-oil hydrocyclones

机译：空气注入脱油水力旋流器分离性能的实验研究

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摘要

The developing status and separating principle of de-oil hydrocyclones are first simply introduced. The ways to enhance the hydrocyclone's separation efficiency are described based on theoretical analysis. One of the ways is to inject air into the hydrocyclones so as to combine them with oil to form oil-gas compound bodies, and then increase the de-oil efficiency. By means of injecting air into the hydrocyclone, a new type of hydrocyclone, i.e. air-injected de-oil hydrocyclone (AIDOH), was developed. The basic separation principle of the AIDOH, prototype structure, the experimental technical process and facilities are introduced. Laboratory experiments were carried out. The effects of different geometric parameters, including the vortex finder diameter, and the length, the micro-pore diameter, and different operating conditions, such as flowrate, split ratio, gas-liquid ratio, and especially the air-injecting position, were studied. It was also found that the best injecting part is at the fine cone segment. Further experimental studies were continued to confirm the detailed part in the fine cone segment, which included one-third segment and two-thirds segment. Results show that the best air-injecting part is the first one-third of the fine cone segment. Research indicates that the AIDOH has satisfied the separation effect.
机译：首先简单介绍了脱油水力旋流器的发展现状和分离原理。在理论分析的基础上，介绍了提高旋液分离效率的方法。一种方法是将空气注入旋流器中，以便将其与油混合以形成油气复合体，然后提高除油效率。通过将空气注入旋液分离器，开发了一种新型的旋液分离器，即空气注入脱油旋液分离器（AIDOH）。介绍了AIDOH的基本分离原理，原型结构，实验技术过程和设备。进行了实验室实验。研究了不同几何参数的影响，包括旋涡寻径器的直径，长度，微孔直径以及不同的工作条件，例如流量，分流比，气液比，尤其是空气注入位置。还发现最好的注射部分是在细锥段。继续进行进一步的实验研究，以确认细锥段中的详细部分，其中包括三分之一段和三分之二段。结果表明，最佳的空气喷射部分是细锥段的前三分之一。研究表明，AIDOH已达到分离效果。

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