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A kind of bottom unloading type supercritical extraction kettle and using method

A supercritical and extraction kettle technology, applied in the field of bottom discharge type supercritical extraction kettle, can solve the problems such as the effect of upper discharge slag on the efficiency, the secondary loosening of the raw material structure, and the reduction of extraction efficiency, saving manpower and material resources and venting time. The effect of shortening and improving extraction efficiency

Active Publication Date: 2021-10-01
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome that during the extraction process of the existing supercritical extraction device, with the continuous reduction of the content of the target component of the raw material, the secondary loosening of the raw material structure occurs in the middle of the extraction, which leads to the rapid dissipation of the extraction agent and the extraction efficiency. The disadvantages of reducing, excessive residual gas in the kettle after extraction, long venting time, and a series of problems affecting the efficiency of the upper discharge slag, provide a bottom discharge type ultra-thin with reasonable design, simple structure, high extraction efficiency and convenient operation. Critical extraction kettle

Method used

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  • A kind of bottom unloading type supercritical extraction kettle and using method
  • A kind of bottom unloading type supercritical extraction kettle and using method
  • A kind of bottom unloading type supercritical extraction kettle and using method

Examples

Experimental program
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Effect test

Embodiment 1

[0054] Such as Figure 1 to Figure 3 As mentioned above, a bottom discharge supercritical extraction kettle of the present invention comprises an upper extruding device 100, a kettle body 200, and a lower extruding device 300;

[0055] The upper and lower ends of the kettle body 200 are open, and the inner wall is smooth. The upper end of the kettle body 200 is sealed and connected to the upper extrusion device 100, and the lower end is sealed and connected to the lower extrusion device 300. A temperature control layer 210 is arranged outside the kettle body 200. A kettle cavity 208 is formed inside the kettle body 200;

[0056] The upper extrusion device 100 includes an upper thrust round table 103, an upper push rod 101, an upper filter plate 104, and an upper air circuit 102; the lower extrusion device 300 includes a lower thrust round table 302, a lower push rod 304, and a lower filter plate 301 and the lower air passage 303; the upper extruding device 100 and the lower e...

Embodiment 2

[0060] Such as Figure 1 to Figure 3 As mentioned above, a bottom discharge supercritical extraction kettle of the present invention comprises an upper extruding device 100, a kettle body 200 and a lower extruding device 300;

[0061] The upper and lower ends of the kettle body 200 are open, and the inner wall is smooth. The upper end of the kettle body 200 is sealed and connected to the upper extrusion device 100, and the lower end is sealed and connected to the lower extrusion device 300. A temperature control layer 210 is arranged outside the kettle body 200. A kettle cavity 208 is formed inside the kettle body 200;

[0062] The upper extrusion device 100 includes an upper thrust round table 103, an upper push rod 101, an upper filter plate 104, and an upper air circuit 102; the lower extrusion device 300 includes a lower thrust round table 302, a lower push rod 304, and a lower filter plate 301 and the lower air passage 303; the upper extruding device 100 and the lower ex...

Embodiment 3

[0066] On the basis of Example 1, such as figure 2 and image 3 As shown, the inner wall of the still body 200 is also provided with some annular grooves (or arc-shaped grooves) and some side outlet pipelines; one side of the groove is provided with a filter belt 211, and the other side of the groove is connected to the side outlet pipeline ( 202, 203, 204) are connected, and all the side outlet pipelines are converged to the side main outlet pipeline 206 and then connected to the main outlet pipeline 306.

[0067] This embodiment is an upper air inlet and lower air outlet, with an annular groove structure. The working method of this embodiment is: open the outlet valve 305 of the extraction kettle, open the temperature control layer 210, move the upper extrusion device 100 to the outside of the kettle, and The extruding device 300 moves down to the lowest point in the kettle. To start charging, it is required that the materials to be extracted (such as soybeans, rapeseed o...

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Abstract

The invention discloses a bottom-discharging supercritical extraction kettle and its use method. The extraction kettle includes an upper extrusion device, a kettle body, a temperature control layer and a lower extrusion device; the upper and lower ends of the kettle body are open, and the upper end of the kettle body It is sealed and connected with the upper extrusion device, and the lower end is sealed and connected with the lower extrusion device. A temperature control layer is arranged outside the kettle body, and a kettle cavity is formed inside the kettle body; both the upper and lower extrusion devices can move freely in the kettle cavity; The inner wall of the kettle is provided with a filter belt, and the filter belt communicates with the filter pipeline on the side of the appendage; the upper and lower extruding devices include a thrust round table, a push rod, an air circuit and a filter plate; the thrust round table is movably arranged in the kettle cavity Among them, the push rod is connected with the thrust round table, and the filter plate is arranged on the thrust round table. The invention has the advantages of simple structure, convenient operation, no need for an inner barrel, convenient bottom unloading, saving manpower and material resources, and can be extended and applied to the field of supercritical extraction.

Description

technical field [0001] The invention belongs to the technical field of physical separation devices or equipment, and in particular relates to a bottom-discharging supercritical extraction kettle and a use method thereof. Background technique [0002] Supercritical fluid refers to when the substance is in a state above its critical temperature and critical pressure. At this time, the gas in this state is pressurized, and the gas will not be liquefied, but its density will increase. It has properties similar to liquid, while retaining the performance of gas . Supercritical fluid has the advantages of both gas and liquid. Its density is close to that of liquid, its solubility is strong, its viscosity is similar to that of gas, and its diffusion coefficient is much larger than that of ordinary liquid, which is conducive to mass transfer. In addition, supercritical fluid has zero surface tension, and it is easy to permeate and diffuse into the micropores of the extracted materia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D11/02
CPCB01D11/0203B01D11/0219B01D11/0288
Inventor 牛鹏飞李小平郭玉蓉
Owner SHAANXI NORMAL UNIV
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