Supercritical solute extraction separator

By designing the cleaning and stirring components of the supercritical solute extraction separator, the problem of residues in the extraction equipment was solved, achieving automatic cleaning and efficient extraction, extending equipment life and improving extraction efficiency.

CN223570065UActive Publication Date: 2025-11-21NANTONG HUAAN SUPER CRITICAL EXTRACTION
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423088058.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-14
Publication Date
2025-11-21
Estimated Expiration
2034-12-14

AI Technical Summary

Technical Problem

Existing supercritical fluid extraction equipment is prone to leaving extractant residues after extraction, which affects purity, causes equipment corrosion, and shortens service life.

Method used

A supercritical solute extraction separator was designed, comprising a cleaning component and a stirring component. Automatic cleaning and uniform mixing are achieved through solvent spraying and stirring. The cleaning scraper and the stirring hollow shaft are used for cleaning the inner wall and mixing the materials, respectively.

Benefits of technology

It enables automatic cleaning of the extraction equipment, preventing residues from affecting the purity of the next extraction and preventing equipment corrosion, thereby improving equipment lifespan and extraction efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223570065U_ABST
    Figure CN223570065U_ABST
Patent Text Reader

Abstract

The utility model discloses a supercritical solute extraction separator, relates to extraction separator equipment technical field, the supercritical solute extraction separator includes the base, the rear side of top left side of the base is fixedly connected with an extraction tank, the top of the extraction tank passes through and is provided with a cover body, the left side of the top penetrates through and is fixedly connected with a feeding port, a limiting sliding rail is arranged in the middle of the top of the cover body, a cleaning assembly is arranged in the limiting sliding rail and comprises a solvent storage box, and the solvent storage box penetrates through and is slidably connected with the limiting sliding rail; through mutual cooperation of the solvent input port, the booster pump, the solvent storage box, the cleaning scraping plate, the second spraying port and the transmission cavity, spraying can be conducted on the interior of the extraction tank, the inner wall of the extraction tank is scraped off, therefore, automatic cleaning of the interior of the extraction tank is achieved, the labor intensity of manual cleaning is reduced, and the production efficiency is improved. And the cleaning effect is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of extraction separator equipment, specifically to a supercritical solute extraction separator. BACKGROUND

[0002] Supercritical fluid extraction is a new type of extraction separation technology. It uses supercritical fluid, i.e. fluid in a thermodynamic state with temperature higher than critical temperature and pressure higher than critical pressure, as an extractant. Extract specific components from liquid or solid to achieve separation.

[0003] Currently, after extraction is completed, some extract residues will remain inside the extraction equipment, which will affect the purity of the next extraction. In addition, some extracts may chemically react with equipment materials, causing equipment corrosion and affecting equipment service life. UTILITY MODEL CONTENT

[0004] The utility model provides a supercritical solute extraction separator, can clean the extraction equipment, prevent the corrosion of the equipment by the extract residues, improve the equipment service life, and will not affect the next extraction.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a supercritical solute extraction separator, comprising a base, the top left side of the base is fixedly connected with an extraction tank, the top of the extraction tank penetrates and is provided with a cover, the top left side penetrates and is fixedly connected with a feed inlet, the top of the cover is provided with a limiting slide rail, the limiting slide rail is provided with a cleaning assembly inside;

[0006] The cleaning assembly comprises a solvent storage box, the solvent storage box penetrates and is slidably connected with the limiting slide rail, the top front side of the solvent storage box is provided with a booster pump, the rear side of the solvent storage box penetrates and is fixedly connected with a solvent input port, the front and rear sides of the solvent storage box are both fixedly connected with a limiting plate, the front and rear sides of the bottom of the solvent storage box both penetrate and are fixedly connected with a solvent delivery pipe, and the solvent delivery pipe penetrates and is slidably connected with the cover.

[0007] As a preferred technical scheme of the utility model, the bottom end of the solvent delivery pipe penetrates and is fixedly connected with a cleaning scraper, the cleaning scraper is internally provided with a transmission cavity, and the transmission cavity penetrates the solvent delivery pipe, the outer side of the cleaning scraper is provided with a plurality of uniformly distributed second spray openings, and the second spray openings penetrate the transmission cavity.

[0008] As a preferred technical scheme of the utility model, the top rear side of the limiting slide rail is penetrated and fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a screw rod, the fixed rod is penetrated and screw connected with the rear limiting plate, the inner wall top front side of the limiting slide rail is fixedly connected with a fixed rod, and the fixed rod is penetrated and slidingly connected with the front limiting plate.

[0009] As a preferred technical scheme of the utility model, the bottom end of the screw rod is penetrated and rotationally connected with the cover body, the bottom end of the fixed rod is fixedly connected with the cover body, and the left side of the extraction tank is provided with a stirring assembly.

[0010] As a preferred technical scheme of the utility model, the stirring assembly comprises a stirring motor, the output end of the stirring motor is fixedly connected with a transmission hollow shaft, the transmission hollow shaft is penetrated and rotationally connected with the extraction tank, the outside of the transmission hollow shaft is penetrated and fixedly connected with uniformly distributed stirring hollow shafts, and the outside of the stirring hollow shafts is penetrated and fixedly connected with uniformly distributed first spray ports.

[0011] As a preferred technical scheme of the utility model, the stirring motor is fixedly connected to the left side of the extraction tank, the right end of the stirring motor is provided with a carbon dioxide conveying pipe, the outside of the carbon dioxide conveying pipe is provided with a first electromagnetic valve, and the right end of the carbon dioxide conveying pipe is penetrated and fixedly connected with a carbon dioxide storage tank.

[0012] As a preferred technical scheme of the utility model, the top right side rear side of the base is fixedly connected with a carbon dioxide storage tank, the top front side of the carbon dioxide storage tank is provided with a pressure gauge, and the top right side front side of the base is fixedly connected with a controller.

[0013] As a preferred technical scheme of the utility model, the top left side front side of the base is fixedly connected with a separator, the top of the separator is penetrated and fixedly connected with a recovery pipe, the front side of the separator is penetrated and fixedly connected with a discharge port, the outside of the discharge port is provided with a second electromagnetic valve, and a connecting pipeline is arranged between the separator and the extraction tank. The top right side rear side of the base is fixedly connected with a carbon dioxide storage tank, and the top left side rear side of the base is fixedly connected with an extraction tank.

[0014] Compared with the prior art, the utility model provides a supercritical solute extraction separator, has the following beneficial effects:

[0015] 1、The utility model discloses a solvent input, booster pump, solvent storage tank, cleaning scraper, second spray port and the mutual cooperation of transmission cavity, can spray the inside of extraction tank, and scrape the inner wall of extraction tank, thereby realizing the automatic cleaning of the inside of extraction tank, saving the labor intensity of manual cleaning, and improving the cleaning effect.

[0016] 2、The utility model discloses a stirring assembly is set up, makes in the extraction, supercritical carbon dioxide is passed into transmission hollow shaft through carbon dioxide delivery pipe, and then supercritical carbon dioxide is sprayed to material by first spray port, thereby realizing the full and even fusion of supercritical carbon dioxide and material, improves the extraction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the utility model;

[0018] Figure 2 It is local structure diagram of the utility model;

[0019] Figure 3 It is stirring assembly schematic diagram of the utility model;

[0020] Figure 4 It is cleaning assembly structure diagram of the utility model;

[0021] Figure 5 It is right side whole structure schematic diagram of the utility model.

[0022] In the drawing: 1, base;2, carbon dioxide storage tank;3, carbon dioxide delivery pipe;31, first electromagnetic valve;4, pressure gauge;5, controller;6, extraction tank;7, cover;71, feed inlet;8, stirring assembly;81, stirring motor;82, transmission hollow shaft;83, stirring hollow shaft;84, first spray port;9, limit slide rail;91, servo motor;92, screw;93, fixed rod;10, separator;101, discharge port;102, second electromagnetic valve;103, recovery pipe;11, cleaning assembly;111, booster pump;112, solvent input port;113, limit plate;114, solvent delivery pipe;115, cleaning scraper;116, second spray port;117, transmission cavity;118, solvent storage box. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model. Embodiment one

[0024] Please refer to Figures 1-5The utility model discloses a supercritical solute extraction separator, including base 1, the top left side rear side fixed coupling of base 1 has the extraction tank 6, the top of extraction tank 6 penetrates and is provided with the cover 7, the top left side penetration of 7 has the feed inlet 71 and fixedly connected, the top middle of cover 7 is provided with the limit slide rail 9, the inside of limit slide rail 9 is provided with cleaning assembly 11,

[0025] Cleaning assembly 11 includes solvent storage tank 118, solvent storage tank 118 is connected with limit slide rail 9 and is slidably connected, the top front side of solvent storage tank 118 is provided with booster pump 111, the rear side of solvent storage tank 118 penetrates and is fixedly connected with solvent input 112, the front and rear sides of solvent storage tank 118 are fixedly connected with limit plate 113, the front and rear sides of the bottom of solvent storage tank 118 penetrate and are fixedly connected with solvent delivery pipe 114, and solvent delivery pipe 114 penetrates and is slidably connected with cover 7.

[0026] Please refer to the attached Figure 1 The bottom end of solvent delivery pipe 114 penetrates and is fixedly connected with cleaning scraper 115, transmission cavity 117 is formed in the inside of cleaning scraper 115, and transmission cavity 117 is connected with solvent delivery pipe 114, and the outside of cleaning scraper 115 is provided with uniformly distributed second spray port 116, and second spray port 116 is connected with transmission cavity 117.

[0027] Please refer to the attached Figure 1 The top rear side of limit slide rail 9 penetrates and is fixedly connected with servo motor 91, the output end of servo motor 91 is fixedly connected with screw rod 92, and fixed rod 93 penetrates and is threadedly connected with rear limit plate 113, the top front side of the inner wall of limit slide rail 9 is fixedly connected with fixed rod 93, and fixed rod 93 penetrates and is slidably connected with front limit plate 113.

[0028] Please refer to the attached Figure 2 The bottom end of screw rod 92 penetrates and is rotatably connected with cover 7, the bottom end of fixed rod 93 is fixedly connected with cover 7, and the left side of extraction tank 6 is provided with stirring assembly 8.

[0029] Please refer to the attached Figure 1 The rear side of the top right side of base 1 is fixedly connected with carbon dioxide storage tank 2, the top front side of carbon dioxide storage tank 2 is provided with pressure gauge 4, and the front side of the top right side of base 1 is fixedly connected with controller 5.

[0030] In this embodiment, when cleaning the inner wall of the extraction tank 6 after the extraction is completed, first, the solvent capable of dissolving the residual extract inside the extraction tank 6 is input into the solvent storage box 118 through the solvent input port 112, the inside of the solvent storage box 118 is pressurized by starting the booster pump 111, so that the solvent enters the transmission cavity 117 inside the cleaning scraper 115 through the solvent delivery pipe 114, and is sprayed onto the inner wall of the extraction tank 6 by the second spray port 116. When spraying, the servo motor 91 drives the screw rod 92 to rotate, thereby driving the solvent storage box 118, the solvent delivery pipe 114 and the cleaning scraper 115 to descend, so that the solvent can be sprayed from top to bottom on the inner wall of the extraction tank 6. When spraying, the cleaning scraper 115 is in contact with the inner wall, so that the dissolved residues and the solvent are scraped off from the inner wall of the extraction tank 6 together, thereby realizing automatic cleaning of the residues inside the extraction tank 6, preventing the residues from affecting the next extraction, and preventing damage to the equipment. Embodiment two

[0031] Based on the above embodiment 1, please refer to the attached Figure 1 , Figure 3 , the stirring assembly 8 comprises a stirring motor 81, the output end of the stirring motor 81 is fixedly connected with a transmission hollow shaft 82, and the transmission hollow shaft 82 is rotatably connected with the extraction tank 6, the outside of the transmission hollow shaft 82 is rotatably connected with a plurality of stirring hollow shafts 83 which are evenly distributed, and the outside of the stirring hollow shaft 83 is rotatably connected with a plurality of first spray ports 84 which are evenly distributed.

[0032] Please refer to the attached Figure 1 , Figure 3 , the stirring motor 81 is fixedly connected to the left side of the extraction tank 6, the right end of the stirring motor 81 is provided with a carbon dioxide delivery pipe 3, the outside of the carbon dioxide delivery pipe 3 is provided with a first electromagnetic valve 31, and the right end of the carbon dioxide delivery pipe 3 is rotatably connected with the carbon dioxide storage tank 2.

[0033] Please refer to the attached Figure 1 , the top left side of the base 1 is fixedly connected with a separator 10, the top of the separator 10 is rotatably connected with a recovery pipe 103, the front side of the separator 10 is rotatably connected with a discharge port 101, the outside of the discharge port 101 is provided with a second electromagnetic valve 102, and a connecting pipe is arranged between the separator 10 and the extraction tank 6.

[0034] In the embodiment, when extraction is performed, the supercritical carbon dioxide in the carbon dioxide storage tank 2 is made to enter the transmission hollow shaft 82 and the stirring hollow shaft 83 through the carbon dioxide delivery pipe 3 by opening the first electromagnetic valve 31 by the controller 5, and then is sprayed out through the first spraying port 84 on the stirring hollow shaft 83; when the supercritical carbon dioxide is sprayed out, the stirring motor 81 is started to drive the transmission hollow shaft 82 and the stirring hollow shaft 83 to rotate, so that the material and the supercritical carbon dioxide are stirred, thereby realizing full fusion of the supercritical carbon dioxide and the material, improving the extraction efficiency; after the extraction is completed, the extract is made to enter the separator 10 through the connecting pipeline, the separator 10 is used to reduce the temperature and pressure of the extract, so that the carbon dioxide is restored to gas and is separated from the extract, the separated extract is left in the separator 10, the second electromagnetic valve 102 is started, the extract flows out from the discharge port 101, and the carbon dioxide is delivered to the recovery equipment through the recovery pipe 103, so as to be used again.

[0035] The working principle and use process of the utility model are as follows: when extraction is performed, the supercritical carbon dioxide in the carbon dioxide storage tank 2 is made to enter the transmission hollow shaft 82 and the stirring hollow shaft 83 through the carbon dioxide delivery pipe 3 by opening the first electromagnetic valve 31 by the controller 5, and then is sprayed out through the first spraying port 84 on the stirring hollow shaft 83; the stirring motor 81 is started to drive the transmission hollow shaft 82 and the stirring hollow shaft 83 to rotate, so that the material and the supercritical carbon dioxide are stirred, thereby realizing full fusion of the supercritical carbon dioxide and the material, and improving the extraction efficiency.

[0036] After the extraction is completed, the extract enters the separator 10 through the connecting pipeline, the separator 10 is used to reduce the temperature and pressure of the extract, so that the carbon dioxide is restored to gas and is separated from the extract, the separated extract is left in the separator 10, the second electromagnetic valve 102 is started, the extract flows out from the discharge port 101, and the carbon dioxide is delivered to the recovery equipment through the recovery pipe 103, so as to be used again.

[0037] When the inner wall of the extraction tank 6 is cleaned after the extraction is completed, the solvent capable of dissolving the residual extract in the extraction tank 6 is input into the solvent storage box 118 through the solvent input port 112, the pressure in the solvent storage box 118 is increased by starting the booster pump 111, the solvent is made to enter the transmission cavity 117 in the cleaning scraper 115 through the solvent delivery pipe 114, the solvent is sprayed to the inner wall of the extraction tank 6 through the second spraying port 116, the servo motor 91 drives the screw rod 92 to rotate, thereby driving the solvent storage box 118, the solvent delivery pipe 114 and the cleaning scraper 115 to descend, and the solvent is sprayed from the top to the bottom of the inner wall of the extraction tank 6. When the solvent is sprayed, the cleaning scraper 115 is in contact with the inner wall, so that the dissolved residual material and the solvent are scraped off from the inner wall of the extraction tank 6 together, the automatic cleaning of the residual material in the extraction tank 6 is realized, and the residual material is prevented from affecting the next extraction and damaging the equipment.

Claims

1. A supercritical solute extraction separator, comprising a base (1), characterized in that, An extraction tank (6) is fixedly connected to the rear side of the top left side of the base (1). A cover (7) is provided through the top of the extraction tank (6). An inlet (71) is fixedly connected through the top left side of the cover (7). A limiting slide rail (9) is provided in the middle of the top of the cover (7). A cleaning component (11) is provided inside the limiting slide rail (9). The cleaning assembly (11) includes a solvent storage tank (118), which is slidably connected to a limiting slide rail (9). A booster pump (111) is provided on the front top of the solvent storage tank (118). A solvent inlet (112) is slidably connected to the rear side of the solvent storage tank (118). Limiting plates (113) are fixedly connected to both the front and rear sides of the solvent storage tank (118). Solvent delivery pipes (114) are slidably connected to both the front and rear sides of the bottom of the solvent storage tank (118). The solvent delivery pipes (114) are slidably connected to the cover (7).

2. The supercritical solute extraction separator according to claim 1, characterized in that: The bottom end of the solvent delivery pipe (114) is connected to a cleaning scraper (115). The cleaning scraper (115) has a transmission cavity (117) inside, and the transmission cavity (117) is connected to the solvent delivery pipe (114). The cleaning scraper (115) has a uniformly distributed second spray nozzle (116) on its outer side, and the second spray nozzle (116) is connected to the transmission cavity (117).

3. The supercritical solute extraction separator according to claim 1, characterized in that: A servo motor (91) is fixedly connected to the top rear side of the limiting slide rail (9). A screw (92) is fixedly connected to the output end of the servo motor (91). A fixing rod (93) is threadedly connected to the rear limiting plate (113). A fixing rod (93) is fixedly connected to the top front side of the inner wall of the limiting slide rail (9). The fixing rod (93) is threadedly connected to the front limiting plate (113).

4. A supercritical solute extraction separator according to claim 3, characterized in that: The bottom end of the screw (92) is connected to the cover (7) through and rotated, the bottom end of the fixing rod (93) is fixedly connected to the cover (7), and a stirring assembly (8) is provided on the left side of the extraction tank (6).

5. A supercritical solute extraction separator according to claim 4, characterized in that: The stirring assembly (8) includes a stirring motor (81), the output end of which is fixedly connected to a transmission hollow shaft (82), and the transmission hollow shaft (82) is connected to the extraction tank (6) through and rotatably. The outside of the transmission hollow shaft (82) is connected to a uniformly distributed stirring hollow shaft (83), and the outside of the stirring hollow shaft (83) is connected to a uniformly distributed first spray nozzle (84).

6. A supercritical solute extraction separator according to claim 5, characterized in that: The stirring motor (81) is fixedly connected to the left side of the extraction tank (6). A carbon dioxide delivery pipe (3) is provided at the right end of the stirring motor (81). A first solenoid valve (31) is provided outside the carbon dioxide delivery pipe (3). The right end of the carbon dioxide delivery pipe (3) passes through and is fixedly connected to the carbon dioxide storage tank (2).

7. A supercritical solute extraction separator according to claim 1, characterized in that: A carbon dioxide storage tank (2) is fixedly connected to the rear side of the top right side of the base (1), a pressure gauge (4) is provided on the front side of the top of the carbon dioxide storage tank (2), and a controller (5) is fixedly connected to the front side of the top right side of the base (1).

8. A supercritical solute extraction separator according to claim 1, characterized in that: A separator (10) is fixedly connected to the front side of the top left side of the base (1). A recovery pipe (103) is fixedly connected through the top of the separator (10). A discharge port (101) is fixedly connected through the front side of the separator (10). A second solenoid valve (102) is provided outside the discharge port (101). A connecting pipe is provided between the separator (10) and the extraction tank (6). A carbon dioxide storage tank (2) is fixedly connected to the rear side of the top right side of the base (1). An extraction tank (6) is fixedly connected to the rear side of the top left side of the base (1).