Supercritical CO2 extraction kettle

Abstract

The utility model relates to the field of pharmaceutical technology discloses a supercritical CO2 extraction kettle, include: kettle body, the kettle body is the extraction kettle of normal, the top fixedly connected with motor of kettle body, the top installation of kettle body has the feed pipe, the structure of poking, the structure of poking includes: base shaft, feed column, flap and row board, the cavity top of kettle body is rotatably connected with base shaft, the bottom fixedly connected with feed column of base shaft, the bottom fixedly connected with feed column of flap, the bottom fixedly connected with feed column of row board, the cavity of kettle body can rotate with flap, the structure of poking will originally be located the material of kettle body cavity bottom and open and will the reaction material row to the bottom to avoid the material will accumulate the condition to reduce the time required when stirring, the middle groove and the board can scatter the material that part along the through groove moves to the middle groove and discharge, realize the effect that the through groove burden is alleviated further improves the material mixing effect in the kettle body cavity.

Description

Technical Field

[0001] This utility model belongs to the pharmaceutical field, specifically, it relates to a supercritical CO2 extraction vessel. Background Technology

[0002] The supercritical CO2 extraction vessel is a core component of supercritical fluid extraction (SFE) technology. It is mainly used to efficiently and selectively extract target components from solid or liquid raw materials under high pressure and specific temperature by using supercritical carbon dioxide (CO2) as a solvent.

[0003] Traditional extraction vessels require a stirring mechanism to evenly mix all the materials before they are added to achieve the best extraction results. However, the materials tend to accumulate when added to the vessel, resulting in a longer mixing time each time.

[0004] In view of this, this utility model is proposed. Utility Model Content

[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0006] A supercritical CO extraction vessel, comprising:

[0007] The vessel body is a conventional extraction vessel. A motor is fixedly connected to the top of the vessel body, and a feed pipe is installed on the top of the vessel body.

[0008] The dispersing structure is set inside the vessel cavity to mix the contents of the vessel cavity. The dispersing structure includes: a base shaft, a conveying column, a flapper, and a discharge plate. The base shaft is rotatably connected to the top of the vessel cavity, the conveying column is fixedly connected to the bottom of the base shaft, the flapper is fixedly connected to the bottom of the conveying column, and the discharge plate is fixedly connected to the bottom of the conveying column. The flapper can rotate inside the vessel cavity.

[0009] In a preferred embodiment of this utility model, the motor can drive the base shaft to rotate, the conveying column is a rectangular rod, the flap is a spiral plate, the plate arrangement is a rectangular plate, the plate arrangement is symmetrically arranged at the bottom of the conveying column, the plate arrangement is located below the top of the flap, each flap has a rectangular opening at the bottom, and two flaps are arranged in a circular array at the bottom of the conveying column.

[0010] In a preferred embodiment of this utility model, the opening structure further includes a through groove and a collecting pipe. The through groove is symmetrically opened through the top of the conveying column, and the collecting pipe is fixedly connected to the top of the cavity of the vessel body. Symmetrical plates are located on the bottom wall of the conveying column in each corresponding through groove, and the connection between the feed pipe and the top of the vessel body is located in the top opening of the collecting pipe.

[0011] In a preferred embodiment of this utility model, the through groove is a rectangular groove, the plate is placed obliquely at the bottom of each through groove, the collecting pipe is a round pipe with a gradually narrowing bottom opening, a disc is provided at the bottom opening of the collecting pipe, the disc is fixedly connected to the top of the conveying column, the disc can fit the bottom opening of the collecting pipe, and the wall surface of the disc is also opened with symmetrical through grooves consistent with the wall surface of the conveying column.

[0012] In a preferred embodiment of this utility model, the dispersing structure further includes a stirring shaft and a stirring rod. The stirring shaft is fixedly connected to the center of the bottom of the conveying column, and the stirring rod is fixedly connected to the outer wall surface of the stirring shaft. The stirring shaft is cylindrical, and the stirring rod is fixedly connected to the outer arc surface of the stirring shaft. The stirring rod is obliquely placed on the arc surface of the stirring shaft, and the symmetrical stirring rods are parallel to each other.

[0013] In a preferred embodiment of this utility model, the outer wall of the conveying column is also provided with a central groove, and a dividing plate is fixedly connected to the central groove.

[0014] In a preferred embodiment of this utility model, the middle trough is opened in the middle section of the conveying column. The middle trough has a rectangular opening and can communicate with the through trough. The width of the middle trough is half the width of the through trough. The dividing plate is a rectangular plate and is placed obliquely in the middle trough.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. By setting up a prying structure, the material that was originally located at the bottom of the vessel cavity is flipped over and the reaction material is discharged to the bottom, thus avoiding the accumulation of material and effectively reducing the time required for stirring.

[0017] 2. By setting up a central trough and a dividing plate, some of the material moving along the through trough can be dispersed to the central trough for discharge, thereby reducing the burden in the through trough and further improving the mixing effect of materials in the vessel cavity.

[0018] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0019] In the attached diagram:

[0020] Figure 1 This is a perspective view of the present utility model;

[0021] Figure 2 This is a perspective view of the internal structure of the vessel body of this utility model;

[0022] Figure 3 This is a schematic diagram showing the positions of the material collecting pipe and the material conveying column of this utility model;

[0023] Figure 4 This is an exploded view of the flap and conveyor column of this utility model;

[0024] Figure 5 This is a side view of the material conveying column of this utility model.

[0025] In the diagram: 20, vessel body; 21, motor; 30, base shaft; 31, conveying column; 32, through groove; 33, collecting pipe; 34, flap plate; 35, stirring shaft; 36, stirring rod; 37, arranging plate; 38, middle trough; 39, dividing plate. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0027] like Figure 1 and Figure 2 As shown, a supercritical CO2 extraction vessel includes: a vessel body 20, which is a conventional extraction vessel. A motor 21 is fixedly connected to the top of the vessel body 20. A feed pipe is installed on the top of the vessel body 20, and a discharge valve is installed at the bottom of the vessel body 20. The motor 21 is electrically connected to a corresponding power supply. This is existing technology and will not be described in detail here.

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a dispersing structure is installed inside the cavity of the vessel body 20 to mix the contents of the vessel body 20. The dispersing structure includes: a base shaft 30, a conveying column 31, a flap 34, and a discharge plate 37. The base shaft 30 is rotatably connected to the top of the cavity of the vessel body 20. The conveying column 31 is fixedly connected to the bottom of the base shaft 30. The flap 34 is fixedly connected to the bottom of the conveying column 31. The discharge plate 37 is fixedly connected to the bottom of the conveying column 31. The flap 34 can rotate inside the cavity of the vessel body 20.

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the motor 21 can drive the base shaft 30 to rotate. The conveying column 31 is a rectangular rod, the flap 34 is a spiral plate, and the plate 37 is a rectangular plate. The plate 37 is symmetrically arranged at the bottom of the conveying column 31 and is located below the top of the flap 34. Each flap 34 has a rectangular opening at its bottom. Two flaps 34 are arranged in a circular array at the bottom of the conveying column 31. The opening structure also includes a through groove 32 and a collecting pipe 33. The through groove 32 is symmetrically opened through the top of the conveying column 31. The collecting pipe 33 is fixedly connected to the top of the cavity of the vessel body 20. The symmetrical plates 37 are located on the bottom wall of the conveying column 31 in each corresponding through groove 32. The connection between the feed pipe and the top of the vessel body 20 is located at the top of the collecting pipe 33. Inside the opening, the through groove 32 is a rectangular groove, and the plate 37 is placed obliquely at the bottom in each through groove 32. The collecting pipe 33 is a round pipe with a gradually narrowing bottom opening. A disc is provided at the bottom opening of the collecting pipe 33. The disc is fixedly connected to the top of the conveying column 31. The disc can fit the bottom opening of the collecting pipe 33. The wall of the disc is also opened with symmetrical through grooves 32 that are consistent with the wall of the conveying column 31. The splitting structure also includes a stirring shaft 35 and a stirring rod 36. The stirring shaft 35 is fixedly connected to the bottom center of the conveying column 31, and the stirring rod 36 is fixedly connected to the outer wall of the stirring shaft 35. The stirring shaft 35 is cylindrical, and the stirring rod 36 is fixedly connected to the outer arc surface of the stirring shaft 35. The stirring rod 36 is obliquely placed on the arc surface of the stirring shaft 35, and the symmetrical stirring rods 36 are parallel to each other.

[0030] In practical use, the required materials are first added into the vessel body 20 cavity, and then the reaction materials are added through the feed pipe. The power is turned on while the reaction materials are being added into the feed pipe. The reaction materials will pass through the feed pipe cavity and enter the collection pipe 33 cavity. At this time, the motor 21 will drive the base shaft 30 to rotate when the power is turned on. The conveying column 31 will rotate along with the base shaft 30. The conveying column 31 will also synchronously drive the flap 34, stirring shaft 35, and stirring rod 36 to rotate within the vessel body 20 cavity. As the flap 34 rotates, it will displace the materials passing along its path. The material is scooped up and guided upwards along its slope, then falls and accumulates at the bottom of the vessel body 20. The reaction material moves synchronously into the channel 32 when it enters the collection pipe 33, and then moves downwards from the channel 32. When it moves downwards to the slope of the plate 37, it moves along the slope of the plate 37 to the bottom of the vessel body 20. At this time, the flip plate 34 will scoop up the material that was originally in the vessel body 20, and the reaction material will move to the bottom of the scooped material. The stirring shaft 35 will drive the stirring rod 36 to stir the material at the bottom of the vessel body 20.

[0031] In summary, by setting up a prying structure to flip over the material that was originally located at the bottom of the 20 chamber of the vessel and discharge the reaction material to the bottom, the accumulation of material is avoided, thereby effectively reducing the time required for stirring.

[0032] like Figure 3 , Figure 4 and Figure 5 As shown, a central groove 38 is also provided on the outer wall of the conveying column 31. A dividing plate 39 is fixedly connected to the central groove 38. The central groove 38 is located in the middle section of the conveying column 31. The central groove 38 has a rectangular opening and can communicate with the through groove 32. The width of the central groove 38 is half the width of the through groove 32. The dividing plate 39 is a rectangular plate and is placed obliquely at the central groove 38.

[0033] In practical use, when the reaction material moves downward along the channel 32 to the middle channel 38, some of the reaction material will be discharged from the inclined surface of the dividing plate 39 towards the middle channel 38 and then accumulate on top of the material in the cavity of the vessel body 20.

[0034] In summary, by setting the central trough 38 and the dividing plate 39, some of the material moving along the through trough 32 can be dispersed to the central trough 38 for discharge, thereby reducing the burden in the through trough 32 and further improving the mixing effect of the material in the vessel body 20 cavity.

[0035] Working principle: First, the required materials are added into cavity 20 of the vessel body. Then, the reaction materials are added through the feed pipe. The power is turned on while the reaction materials are being added into the feed pipe. The reaction materials pass through the feed pipe cavity and enter the collection pipe 33 cavity. At this time, motor 21 drives the base shaft 30 to rotate when the power is turned on. The conveying column 31 rotates along with the base shaft 30. The conveying column 31 also synchronously drives the flapper 34, stirring shaft 35, and stirring rod 36 to rotate within cavity 20 of the vessel body. As the flapper 34 rotates, it scoops up the materials along its path and guides them upwards along its inclined surface, then... The material accumulates at the bottom of the vessel body 20 cavity, while the reaction material moves synchronously into the channel 32 when it enters the collection pipe 33 cavity. Then it moves downward from the channel 32. When it moves downward to the inclined surface of the discharge plate 37, it moves along the inclined surface of the discharge plate 37 to the bottom of the vessel body 20 cavity. At this time, the flip plate 34 will scoop up the material that was originally in the vessel body 20 cavity, and the reaction material will move to the bottom of the scooped material. The stirring shaft 35 will drive the stirring rod 36 to stir the material at the bottom of the vessel body 20 cavity. After the extraction is completed, the discharge valve at the bottom of the vessel body 20 cavity can be opened to realize the discharge of the material in the vessel body 20 cavity.

[0036] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A supercritical CO2 extraction vessel, characterized in that, include: The vessel body (20) is a conventional extraction vessel. A motor (21) is fixedly connected to the top of the vessel body (20), and a feed pipe is installed on the top of the vessel body (20). The disassembly structure is set inside the cavity of the vessel body (20) for mixing inside the vessel body (20). The disassembly structure includes: a base shaft (30), a conveying column (31), a flap (34), and a grating plate (37). The base shaft (30) is rotatably connected to the top of the cavity of the vessel body (20). The conveying column (31) is fixedly connected to the bottom of the base shaft (30). The flap (34) is fixedly connected to the bottom of the conveying column (31). The grating plate (37) is fixedly connected to the bottom of the conveying column (31). The flap (34) can rotate inside the cavity of the vessel body (20).

2. The supercritical CO2 extraction vessel according to claim 1, characterized in that, The motor (21) can drive the base shaft (30) to rotate. The conveying column (31) is a rectangular rod, the flap (34) is a spiral plate, and the plate (37) is a rectangular plate. The plate (37) is symmetrically arranged at the bottom of the conveying column (31). The plate (37) is located below the top of the flap (34). Each flap (34) has a rectangular opening at the bottom. Two flaps (34) are arranged in a ring array at the bottom of the conveying column (31).

3. The supercritical CO2 extraction vessel according to claim 1, characterized in that, The opening structure also includes a through groove (32) and a collecting pipe (33). The through groove (32) is symmetrically opened through the top of the conveying column (31). The collecting pipe (33) is fixedly connected to the top of the cavity of the vessel body (20). Symmetrical plates (37) are located on the bottom wall of the conveying column (31) in each corresponding through groove (32). The connection between the feed pipe and the top of the vessel body (20) is located in the top opening of the collecting pipe (33).

4. The supercritical CO2 extraction vessel according to claim 3, characterized in that, The through groove (32) is a rectangular groove, and the plate (37) is placed obliquely at the bottom in each through groove (32). The collecting pipe (33) is a round pipe with a gradually narrowing bottom opening. A disc is provided at the bottom opening of the collecting pipe (33). The disc is fixedly connected to the top of the conveying column (31). The disc can fit the bottom opening of the collecting pipe (33). The wall of the disc is also opened with symmetrical through grooves (32) consistent with the wall of the conveying column (31).

5. A supercritical CO2 extraction vessel according to claim 1, characterized in that, The dispersing structure also includes a stirring shaft (35) and a stirring rod (36). The stirring shaft (35) is fixedly connected to the bottom center of the conveying column (31), and the stirring rod (36) is fixedly connected to the outer wall surface of the stirring shaft (35). The stirring shaft (35) is cylindrical, and the stirring rod (36) is fixedly connected to the outer arc surface of the stirring shaft (35). The stirring rod (36) is obliquely placed on the arc surface of the stirring shaft (35), and the symmetrical stirring rods (36) are parallel to each other.

6. The supercritical CO2 extraction vessel according to claim 1, characterized in that, The outer wall of the conveying column (31) is also provided with a central groove (38), and a partition plate (39) is fixedly connected to the central groove (38).

7. A supercritical CO2 extraction vessel according to claim 6, characterized in that, The middle trough (38) is located in the middle section of the conveying column (31). The middle trough (38) has a rectangular opening and can communicate with the through trough (32). The width of the middle trough (38) is half the width of the through trough (32). The dividing plate (39) is a rectangular plate and is placed obliquely at the middle trough (38).

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