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Method for separating liquid-phase materials with pressure

A technology for separating liquids and materials, which is applied in the direction of separation methods, liquid separation, chemical instruments and methods, etc., and can solve problems such as complex processes and high costs

Inactive Publication Date: 2010-06-16
董安成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The separation characteristics of inorganic membranes are measured by permeation flux and permeation selectivity, both of which are closely related to the membrane structure, the properties of the separation object system and operating conditions. This method is complex in process and high in cost.

Method used

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Examples

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Effect test

Embodiment

[0012] Embodiment: This embodiment is an example applied in the process of nitrobenzene neutralization and washing with water.

[0013] In the example, the liquid containing the dense density phase and the light density phase that are not compatible with each other enters the separator under pressure from the feed inlet. Because the density of the two is different, after staying for a period of time, the light and heavy phases are separated under the action of gravity. , and form a separation interface, the light component is discharged from the light component outlet at the upper part of the separator, and the heavy component is discharged from the heavy component outlet at the lower part of the separator; a liquid level measuring instrument is installed on the separator, and the light component outlet pipeline An automatic regulating valve is installed to automatically adjust the output of the light component according to the light and heavy liquid interface inside the separa...

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Abstract

The invention belongs to the technical field of chemical separation, relating to a method for separating liquid-phase materials with pressure. A separator capable of bearing the pressure is comprised, and a liquid inlet, a light component outlet, a heavy component outlet and an automatic regulating valve are arranged on the separator. By adopting the method, the separation of light and heavy-density phases is realized, and the separated light and heavy-density phases with pressure can also be conveniently conveyed to subsequent equipment. The separator has the characteristics of simplification of process equipment, reduction of power equipment, low failure rate and energy saving, enhances the level of automation and has particularly obvious characteristics when the light and heavy-density phases are not allowed to be conveyed by pumps.

Description

technical field [0001] The invention relates to a method used in chemical engineering to realize liquid phase separation under pressure, and is especially suitable for the process of separating liquid phase materials connected under pressure for physical and chemical processes after subsequent processes are required. Background technique [0002] Currently known liquid phase separation methods used in chemical engineering are divided into two types: centrifugal type and atmospheric gravity sedimentation type. The former has limited application in chemical engineering due to the need for additional power equipment and low operating flexibility; the latter is insufficient in function due to the need for additional fluid delivery equipment at the outlet of the separator. [0003] In addition, there is another inorganic membrane technology used in liquid phase separation, which uses the sieving characteristics of membrane pores under pressure difference to classify or separate t...

Claims

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Application Information

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IPC IPC(8): B01D17/025B01D17/12
Inventor 董安成
Owner 董安成
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