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Supercritical fluid recrystallization device

A technology of supercritical flow and crystallization device, which is applied in the general layout of the crystallization device, solution crystallization, etc., to achieve the effect of high saturation rate

Pending Publication Date: 2018-07-24
NANTONG HUAAN SUPER CRITICAL EXTRACTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the existing technology, there is no device that utilizes supercritical technology to precipitate crystals

Method used

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  • Supercritical fluid recrystallization device

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0011] figure 1 Middle: crystallization kettle body 1, constant temperature box 2, observation window 3, advection pump 4, back pressure valve 5, separation kettle 6, filter cartridge 7, air release valve 8, refrigerator 9, CO2 pump 10, preheater 11.

[0012] A supercritical fluid recrystallization device, the supercritical fluid recrystallization device includes a crystallization kettle body 1, a constant temperature box 2, the crystallization kettle body 1 is provided with an observation window 3, and the upper end of the crystallization kettle body 1 is passed through an advection pump 4. Inject the solution, the crystallization kettle body 1 is placed in the thermostat 2, the discharge port below the crystallization kettle body 1 is connected with a back pressure valve 5, and the supercritical fluid recrystallization device also includes at...

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PUM

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Abstract

The invention provides a supercritical fluid recrystallization device. The supercritical fluid recrystallization device comprises a crystallization kettle body and a constant-temperature tank, whereinan observation window is formed in the crystallization kettle body; a solution is injected to the upper end of the crystallization kettle body through a constant flux pump; the crystallization kettlebody is arranged in the constant-temperature tank. The supercritical fluid recrystallization device provided by the invention has the beneficial effects that under a supercritical situation, generation of supersaturation can be caused by reducing the pressure, a high saturation rate can be achieved, and a solid solute can be crystallized out from a supercritical solution; a solute in the solutionis separated out and collected by utilizing CO2 in a supercritical state, so that nano-grade crystalline particles can be obtained.

Description

technical field [0001] The invention relates to chemical equipment, in particular to a supercritical fluid recrystallization device. Background technique [0002] The development of supercritical particles, especially nano-sized particles, has become a hot field in the current high-tech, and has been widely used in materials, light industry, chemical industry, metallurgy, electronics, biomedicine and other fields. The preparation of ultrafine particles has A variety of methods, supercritical fluid deposition technology is a new technology under study. In supercritical conditions, reducing the pressure can lead to supersaturation, and high saturation rates can be achieved, and solid solutes can crystallize out of supercritical solutions. Since this process is carried out in a quasi-homogeneous medium, the crystallization process can be controlled more accurately. It can be seen that solid precipitation from supercritical solution is a promising new technology, which can pro...

Claims

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Application Information

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IPC IPC(8): B01D9/02
CPCB01D9/0059
Inventor 黄顺民金宇周伯荣
Owner NANTONG HUAAN SUPER CRITICAL EXTRACTION
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