Supercritical carbon dioxide extraction kettle
By using a drive motor-driven stirring roller and hydraulic rod assembly in a supercritical carbon dioxide extraction vessel, the problems of sealing and extraction efficiency were solved, resulting in faster extraction speed and higher extraction purity.
Patent Information
- Application Number
- CN202423081706.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing supercritical carbon dioxide extraction vessels have shortcomings in terms of sealing and extraction efficiency, especially in the poor sealing during raw material transportation and dissolution, which affects the solubility of the extract.
A drive motor is used to stir the natural products in the extraction tank with a stirring roller, and a hydraulic rod and piston assembly are used to accelerate the flow of raw materials in the flow pipe. At the same time, a sealing ring is used to ensure the airtightness and prevent impurities from entering.
It improved the supercritical carbon dioxide extraction rate, enhanced extraction purity, reduced raw material adhesion to the wall, and improved the stability and sealing of the equipment.
Smart Images

Figure CN223668697U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to supercritical carbon dioxide technical field, concretely is a kind of supercritical carbon dioxide extraction kettle. BACKGROUND
[0002] The principle of supercritical carbon dioxide extraction separation process is to use the special dissolution of supercritical carbon dioxide to some special natural products, use the relationship between the dissolution capacity of supercritical carbon dioxide and its density, that is, use the influence of pressure and temperature on the dissolution capacity of supercritical carbon dioxide. The existing supercritical carbon dioxide extraction kettle has high sealing property, and the general extraction kettle is directly transported by opening raw material conveying port to transport raw materials, it is difficult to seal the conveying port well, when adding dissolving liquid, the conveying port needs to be frequently opened, the sealing property is poor, and the extraction process is generally directly placed in the extraction kettle for natural dissolution extraction. Such extraction method makes the dissolution area between the raw liquid and the dissolving liquid smaller, affects the solubility of the extraction liquid, so the existing device needs to be improved to meet the actual needs. SUMMARY
[0003] (I) technical problem solved
[0004] In view of the deficiency of prior art, the utility model provides a kind of supercritical carbon dioxide extraction kettle, with the raw material flow in pipeline is accelerated, and the raw material in flow channel can be reduced Wall hanging condition, the natural product in extraction pool is fully stirred, so that it is fully dissolved with supercritical carbon dioxide, so as to accelerate the speed of supercritical carbon dioxide extraction and other advantages, solve the above technical problems.
[0005] (II) technical scheme
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of supercritical carbon dioxide extraction kettle, including extraction pool, the extraction pool top is installed with drive motor, the drive motor shaft center is installed with driving shaft, the driving shaft outer circumferential surface is installed with stirring roller, the extraction pool top is installed with flow channel near drive motor one end, the flow channel top is installed with piston, the piston top is installed with hydraulic rod, the hydraulic rod top is installed with link plate, the flow channel side is installed with flow guide pipe, the flow guide pipe top is installed with tank, and outer circumferential surface is installed with switch valve, the extraction pool outer circumferential surface is installed with stabilizing ring, the stabilizing ring side is installed with stand, the stand top is installed with support rod.
[0007] Preferably, the drive motor is installed through the extraction pool top, and the shaft center is fixedly installed with driving shaft at rotor end, the driving shaft outer circumferential surface is fixedly installed with two groups of stirring rollers staggered, the bottom end of the extraction pool top and the drive motor junction is installed with sealing ring.
[0008] Through the above technical scheme, the driving motor is started to drive the rotation of the driving motor rotor end, thereby driving the rotation of the driving shaft, and the driving shaft drives the rotation of the stirring roller, thereby fully stirring the natural product inside the extraction tank, making it fully dissolved with supercritical carbon dioxide, thereby accelerating the speed of supercritical carbon dioxide extraction, and the sealing ring seals the joint between the driving motor and the extraction tank, preventing impurities from entering and affecting the purity of supercritical carbon dioxide extraction.
[0009] Preferably, the flow pipeline is installed through the top end of the extraction tank, and a group of pistons are installed at the top end inside.
[0010] Through the above technical scheme, the hydraulic rod is started to drive the extension and contraction of the hydraulic rod, thereby extruding the piston, and the piston exerts pressure on the top end of the flow pipeline during the extrusion process, thereby accelerating the flow of raw materials in the flow pipeline and reducing the wall-hanging of raw materials in the flow pipeline.
[0011] Preferably, one end of the adapter plate is fixedly connected with the side edge of the material box, and the bottom end is fixedly connected with the bottom end of the hydraulic rod.
[0012] Through the above technical scheme, the adapter plate supports and fixes the bottom end of the hydraulic rod.
[0013] Preferably, the flow guide pipe is fixedly installed with a material box at the top end, and a switch valve is fixedly installed on the outer periphery, and a fixed block is installed on the outer periphery of the flow guide pipe away from the switch valve.
[0014] Through the above technical scheme, the switch valve is opened to make the pipe core of the flow guide pipe present an open state, and due to the action of gravity, when the flow guide pipe is opened, the raw materials in the material box are transported to the flow pipeline through the flow guide pipe, thereby transporting raw materials to the inside of the extraction tank, and during the flow of raw materials in the flow guide pipe, the flow guide pipe is vibrated, the flow guide pipe is supported by the fixed block to prevent it from being separated from the device due to vibration, and the stability of the flow guide pipe is increased.
[0015] Preferably, the stand is fixedly installed with a support rod at the top end, and the support rod is fixedly connected with the bottom end of the material box.
[0016] Through the above technical scheme, the stand supports the support rod, and the support rod supports the bottom end of the material box, thereby increasing the stability of the device.
[0017] Compared with the prior art, the supercritical carbon dioxide extraction kettle has the following beneficial effects:
[0018] 1. This utility model first opens the switch valve, causing the core of the guide tube to be in an open state. Due to gravity, when the guide tube is open, the raw material in the material box is transported to the flow pipe through the guide tube, thereby supplying raw material to the extraction tank. During the flow of raw material inside the guide tube, the guide tube vibrates. The guide tube is supported by a fixing block to prevent it from detaching from the device due to vibration, thus increasing the stability of the guide tube. Then, the hydraulic rod is activated to extend and retract, thereby squeezing the piston. During the squeezing process, the piston applies pressure to the top of the flow pipe, thereby accelerating the flow of raw material in the flow pipe and reducing the situation of raw material sticking to the wall inside the flow pipe.
[0019] 2. This utility model starts the drive motor, causing the rotor end of the drive motor to rotate, thereby driving the drive shaft to rotate. The drive shaft drives the stirring roller to rotate, thereby fully stirring the natural products inside the extraction tank, so that they are fully dissolved with supercritical carbon dioxide, thereby accelerating the speed of supercritical carbon dioxide extraction. In addition, the connection between the drive motor and the extraction tank is sealed by the sealing ring to prevent impurities from entering and affecting the purity of supercritical carbon dioxide extraction. Attached Figure Description
[0020] Fig. 1 This is a schematic diagram of the three-dimensional structure of the extraction vessel of this utility model;
[0021] Fig. 2 This is a front view schematic diagram of the extraction vessel structure of this utility model;
[0022] Fig. 3 This is a cross-sectional schematic diagram of the extraction vessel structure of this utility model.
[0023] The components include: 1. Extraction tank; 2. Drive motor; 3. Drive shaft; 4. Stirring roller; 5. Flow pipe; 6. Piston; 7. Hydraulic rod; 8. Connecting plate; 9. Guide pipe; 10. Material box; 11. Switch valve; 12. Stabilizing ring; 13. Stand; 14. Support rod. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figs. 1-3The utility model provides a supercritical carbon dioxide extraction kettle, including the extraction pool 1, the top of extraction pool 1 is equipped with drive motor 2, drive motor 2 axle core is equipped with drive shaft 3, drive shaft 3 outer peripheral surface is equipped with stirring roller 4, the top of extraction pool 1 is installed near drive motor 2 one end and is equipped with flow channel 5, flow channel 5 top is equipped with piston 6, piston 6 top is equipped with hydraulic rod 7, and hydraulic rod 7 top is equipped with link plate 8, and flow channel 5 side is equipped with flow guide pipe 9, and flow guide pipe 9 top is equipped with material box 10, and outer peripheral surface is equipped with switch valve 11, and extraction pool 1 outer peripheral surface is equipped with stabilizing ring 12, and stabilizing ring 12 side is equipped with stand 13, and stand 13 top is equipped with support rod 14.
[0026] Specifically, drive motor 2 is installed through the top of extraction pool 1, and the rotor end of the axle core is fixedly installed with drive shaft 3, and the outer peripheral surface of drive shaft 3 is fixedly and staggeredly installed with two groups of stirring rollers 4, and the bottom end of the top of extraction pool 1 is installed with a sealing ring at the junction with drive motor 2, which has the advantages that by starting drive motor 2, the rotor end of drive motor 2 is rotated to drive drive shaft 3 to rotate, drive shaft 3 drives stirring rollers 4 to rotate, thereby fully stirring the natural products in the interior of extraction pool 1 to make them fully dissolve in supercritical carbon dioxide, thereby accelerating the speed of supercritical carbon dioxide extraction, and the junction of drive motor 2 and extraction pool 1 is sealed by the sealing ring to prevent impurities from entering and affecting the purity of supercritical carbon dioxide extraction.
[0027] Specifically, flow channel 5 is installed through the top of extraction pool 1, and a group of pistons 6 are installed at the top inside, and the top of piston 6 is fixedly installed with hydraulic rod 7, which has the advantages that by starting hydraulic rod 7, hydraulic rod 7 is extended and retracted to extrude piston 6, and piston 6 exerts pressure on the top of flow channel 5 during the extrusion process, thereby accelerating the flow of raw materials in flow channel 5 and reducing the wall-hanging of raw materials in flow channel 5.
[0028] Specifically, the one end of link plate 8 is fixedly connected with the side of material box 10, and the bottom end is fixedly connected with the bottom end of hydraulic rod 7, which has the advantage that the bottom end of hydraulic rod 7 is supported and fixed by link plate 8.
[0029] Specifically, the top of flow guide pipe 9 is fixedly installed with material box 10, and the outer peripheral surface is fixedly installed with switch valve 11, and the end away from switch valve 11 of the outer peripheral surface of flow guide pipe 9 is installed with a fixed block, which has the advantages that by opening switch valve 11, the pipe core of flow guide pipe 9 is in an open state, due to the action of gravity, when flow guide pipe 9 is opened, the raw materials in material box 10 are transported to flow channel 5 through flow guide pipe 9 to transport raw materials to the interior of extraction pool 1, and when the raw materials in flow guide pipe 9 flow, flow guide pipe 9 is vibrated, flow guide pipe 9 is supported by the fixed block to prevent it from being separated from the device due to vibration, thereby increasing the stability of flow guide pipe 9.
[0030] Specifically, the top end of the stand 13 is fixedly installed with a support rod 14, and the top end of the support rod 14 is fixedly connected with the bottom end of the material box 10, and the advantage is that the stand 13 supports the support rod 14, and the support rod 14 supports the bottom end of the material box 10, thereby increasing the stability of the device.
[0031] In use, by first opening the switch valve 11, the pipe core of the flow guide pipe 9 is in an open state, and due to the action of gravity, when the flow guide pipe 9 is opened, the raw materials in the material box 10 are transported to the flow-through pipe 5 through the flow guide pipe 9, thereby transporting the raw materials to the inside of the extraction tank 1, and in the process of the raw materials flowing through the flow guide pipe 9, the flow guide pipe 9 is vibrated, and the flow guide pipe 9 is supported by the fixing block to prevent it from being separated from the device due to vibration, thereby increasing the stability of the flow guide pipe 9, and then the hydraulic rod 7 is started to make the hydraulic rod 7 extend and retract, thereby extruding the piston 6, and the piston 6 extrudes the top end of the flow-through pipe 5 during the extrusion process, thereby accelerating the flow of the raw materials in the flow-through pipe 5 and reducing the wall-hanging of the raw materials in the flow-through pipe 5, and the driving motor 2 is started to make the rotor end of the driving motor 2 rotate, thereby driving the driving shaft 3 to rotate, and the driving shaft 3 drives the stirring roller 4 to rotate, thereby fully stirring the natural products in the extraction tank 1, so that they are fully dissolved with supercritical carbon dioxide, thereby accelerating the extraction speed of the supercritical carbon dioxide, and the driving motor 2 is sealed with the extraction tank 1 by the sealing ring, thereby preventing impurities from entering and affecting the purity of the supercritical carbon dioxide extraction.
[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A supercritical carbon dioxide extraction still comprising an extraction cell (1), characterised in that: The extraction tank (1) top end is equipped with a drive motor (2), the drive motor (2) axle center is equipped with a drive shaft (3), the drive shaft (3) outer circumferential surface is equipped with a stirring roller (4), the extraction tank (1) top end is equipped with a flow pipe (5) near the drive motor (2) one end, the flow pipe (5) top end is equipped with a piston (6), the piston (6) top end is equipped with a hydraulic rod (7), the hydraulic rod (7) top end is equipped with a link plate (8), the flow pipe (5) side is equipped with a flow guide pipe (9), the flow guide pipe (9) top end is equipped with a material box (10), and the outer circumferential surface is equipped with a switch valve (11), the extraction tank (1) outer circumferential surface is equipped with a stabilizing ring (12), the stabilizing ring (12) side is equipped with a stand (13), the stand (13) top end is equipped with a support rod (14).
2. The supercritical carbon dioxide extraction vessel of claim 1, wherein: The drive motor (2) is installed through the top end of the extraction tank (1), and the rotor end of the axle center is fixedly installed with a drive shaft (3), the outer circumferential surface of the drive shaft (3) is fixedly and staggeredly installed with two groups of stirring rollers (4), and the bottom end of the top end of the extraction tank (1) is installed with a sealing ring at the junction with the drive motor (2).
3. The supercritical carbon dioxide extraction vessel of claim 1, wherein: The flow pipe (5) is installed through the top end of the extraction tank (1), and a group of pistons (6) are installed at the top end inside.
4. The supercritical carbon dioxide extraction vessel of claim 1, wherein: The link plate (8) one end is fixedly connected with the side of the material box (10), and the bottom end is fixedly connected with the bottom end of the hydraulic rod (7).
5. The supercritical carbon dioxide extraction vessel of claim 1, wherein: The flow guide pipe (9) top end is fixedly installed with a material box (10), and the outer circumferential surface is fixedly installed with a switch valve (11), and the outer circumferential surface of the flow guide pipe (9) is installed with a fixed block away from the switch valve (11) one end.
6. The supercritical carbon dioxide extraction vessel of claim 1, wherein: The stand (13) top end is fixedly installed with a support rod (14), and the support rod (14) top end is fixedly connected with the bottom end of the material box (10).