A stirring mechanism for a plant extraction reactor

Abstract

The utility model provides a stirring mechanism for a plant extraction reactor, belonging to the technical field of plant extraction; comprising a reactor body, a top cover arranged at the top end of the reactor body, a stirring part arranged inside the reactor body, a driving part arranged on the top cover, and a connecting part connecting the stirring part and the driving part; the connecting part comprises connecting plates respectively arranged at one end of the stirring part and the driving part close to each other, a first bolt fixing the two connecting plates, and a shielding device shielding the first bolt; by arranging the connecting plates at one end of the stirring part and the driving part close to each other, and the first bolt fixing the two connecting plates, the stirring part and the driving part can be detachably connected, so that the stirring part can be replaced in time when the stirring part is damaged; by arranging the shielding device, it can be avoided that the solution splashes onto the first bolt, causing the first bolt to rust, and then causing the rust to fall into the solution, causing the plant extract to be contaminated.

Description

Technical Field

[0001] The utility model relates to the technical field of plant extraction, in particular to a stirring mechanism for a plant extraction reaction kettle. Background Art

[0002] Plant extracts are products made from plants as raw materials. According to the needs of the final product, they are extracted through a physical and chemical extraction and separation process to obtain and concentrate one or more active ingredients in the plant without changing the structure of the active ingredients.

[0003] During the extraction process of plant extracts, stirring is often used. For example, patent application number CN201110192518.6 discloses a method for preparing high-purity betulin, in which the crude product is dissolved in an ethanol aqueous solution, stirred to increase its solubility, and then filtered to remove impurities. Therefore, stirring is common in the process of plant extraction.

[0004] However, in the prior art, the stirring assembly (including the stirring part and the driving part) of the mixer and the reactor body are mostly arranged in an integrated structure. During the stirring process, the stirring part is very likely to be worn or damaged due to collision with the material or corrosion by the solvent. Once wear or damage occurs, the entire mixer needs to be discarded, which is a great waste of resources. Utility Model Content

[0005] The utility model aims to provide a stirring mechanism for a plant extraction reactor, wherein a stirring part and a driving part are detachably connected, so that the stirring part can be replaced in time when it is damaged, thereby saving resources.

[0006] The purpose of this utility model is achieved through the following technical solutions:

[0007] A stirring mechanism for a plant extraction reactor comprises a reactor body, a top cover arranged at the top end of the reactor body, a stirring part arranged inside the reactor body, a driving part arranged on the top cover, and a connecting part connecting the stirring part and the driving part; the connecting part comprises connecting plates respectively arranged at one end of the stirring part and the driving part close to each other, a first bolt fixing the two connecting plates, and a shielding device shielding the first bolt.

[0008] Preferably, the driving part includes a motor arranged at the top end of the top cover, and a first rotating shaft fixedly connected to the output end of the motor and with the bottom end passing through the top cover; the stirring part includes a second rotating shaft coaxial with the first rotating shaft, and a plurality of stirring rods arranged on the second rotating shaft; the connecting plates are respectively arranged at the ends of the first rotating shaft and the second rotating shaft close to each other.

[0009] Preferably, the shielding device includes a first baffle fixedly mounted on the first rotating shaft, and a second baffle movably mounted on the second rotating shaft; the second baffle is a bowl-shaped structure, and the first baffle and the second baffle are magnetically connected.

[0010] Preferably, an edge of the second baffle coincides with an edge of the first baffle.

[0011] Preferably, the top surface of the first baffle is a convex structure.

[0012] Preferably, a sliding block is provided on one side of the second baffle plate close to the second rotating shaft, and a vertical sliding groove slidably matched with the sliding block is provided on the second rotating shaft.

[0013] Preferably, the second rotating shaft and the connecting plate connected thereto are fixed by means of a second horizontally arranged bolt; and the second baffle plate can slide out from the top end of the second rotating shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By providing a top cover, it is convenient to take out the stirring part and the top cover from the top of the reactor body after opening it, so as to facilitate the maintenance or replacement of the stirring part; by providing a connecting plate at one end of the stirring part and the driving part close to each other, and providing a first bolt to fix the two connecting plates, the two connecting plates can be detachably connected, and then the stirring part and the driving part can be detachably connected, so that the stirring part can be replaced in time when the stirring part is damaged; by providing a shielding device for shielding the first bolt, it can be prevented that the solution in the reactor body is splashed onto the first bolt, causing the first bolt to rust, and then causing the rust to fall into the solution, causing contamination of the plant extract. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model in the front view direction;

[0017] Figure 2 This is a structural schematic diagram of the stirring part in the utility model in the front view direction;

[0018] Figure 3 It is a schematic diagram of the structure of the connecting plate installed on the second rotating shaft in the upward direction;

[0019] Figure 4 It is a structural schematic diagram of the slider in the top view direction;

[0020] In the figure: 100 - reactor body, 110 - top cover, 130 - connecting plate, 140 - first bolt, 150 - motor, 160 - first rotating shaft, 170 - second rotating shaft, 180 - stirring rod, 190 - first baffle, 200 - second baffle, 210 - slider, 220 - vertical slide groove, 230 - second bolt. DETAILED DESCRIPTION

[0021] Below in conjunction with the attached Figures 1 to 4 , the technical solutions in the embodiments of the utility model are clearly and completely described, but the protection scope of the utility model is not limited to the following.

[0022] Example 1

[0023] A stirring mechanism for a plant extraction reactor, such as Figure 1 and Figure 2 As shown, it includes a reactor body 100, a top cover 110 arranged at the top of the reactor body 100, a stirring part arranged inside the reactor body 100, a driving part arranged on the top cover 110, and a connecting part connecting the stirring part and the driving part; the connecting part includes connecting plates 130 respectively arranged at one end of the stirring part and the driving part close to each other, a first bolt 140 fixing the two connecting plates 130, and a shielding device for shielding the first bolt 140. Further, as Figure 1 As shown, the driving part includes a motor 150 disposed at the top of the top cover 110, and a first rotating shaft 160 fixedly connected to the output end of the motor 150 and having its bottom end passing through the top cover 110; the stirring part includes a second rotating shaft 170 coaxial with the first rotating shaft 160, and a plurality of stirring rods 180 disposed on the second rotating shaft 170; the connecting plates 130 are respectively disposed at the ends of the first rotating shaft 160 and the second rotating shaft 170 that are close to each other. Further, as Figure 1 and Figure 2 As shown, the shielding device includes a first baffle 190 fixedly mounted on the first rotating shaft 160, and a second baffle 200 movably mounted on the second rotating shaft 170; the second baffle 200 is a bowl-shaped structure, and the first baffle 190 and the second baffle 200 are magnetically connected.

[0024] Working principle: When installing the stirring part to the driving part, first take out the top cover 110, and then align the two connecting plates 130 up and down, as shown in FIG. Figure 3As shown, the first bolt 140 is fastened into the two connecting plates 130 from bottom to top to achieve the purpose of connecting the two connecting plates 130. Thereafter, the second baffle plate 200 is moved toward the first baffle plate 190 until the second baffle plate 200 and the first baffle plate 190 are magnetically connected on one side close to each other. At this time, the two baffle plates are in close contact.

[0025] Then, the top cover 110 is covered on the top of the reactor body 100. The top cover 110 and the reactor body 100 can be fixed by screws (not shown in the figure) and other existing technologies. In addition, a feed port is set on the top cover 110, and the plant extract and the solvent are added to the reactor body 100 through the feed port; then, the motor 150 is started, and under the action of the motor 150, the first rotating shaft 160 and the second rotating shaft 170 are rotated synchronously, and then the multiple stirring rods 180 are rotated to stir the material in the reactor body 100. After sufficient stirring, it is directly discharged from the discharge pipe (not shown in the figure) on the side wall of the reactor body 100. The discharge pipe is provided with a valve, a piston or an end cover to prevent the material from being discharged along the discharge pipe during stirring. When the stirring part is damaged, the top cover 110 is removed, and then the two baffles are forced to be opened, the first bolt 140 is removed, and a new stirring part is replaced.

[0026] It is worth noting that the reasons for setting the shielding device in the present invention are as follows:

[0027] During the stirring process, part of the solvent (organic solvent or water, etc.) will splash onto the first bolt 140 or the two connecting plates 130. The solvent adhered to the contact between the first bolt 140 and the connecting plate 130 and the contact between the two connecting plates 130 is more difficult to dry than other open areas, which may cause the contact to be incompletely dried and in a wet state, thus causing rust between the first bolt 140 and the two connecting plates 130. If the rust is mixed with the material inside the reactor body 100, it is easy to cause material contamination and have an adverse effect on plant extraction. Therefore, a shielding device needs to be provided to shield the first bolt 140 and the connecting plate 130.

[0028] Further, such as Figure 1 and Figure 2 As shown, the edge of the second baffle 200 overlaps with the edge of the first baffle 190. Furthermore, the top surface of the first baffle 190 is a convex structure. In this solution, by setting a convex structure, the material splashed onto the top surface of the first baffle 190 can slide down along the convex structure quickly, reducing the material residue; by making the edge of the second baffle 200 overlap with the edge of the first baffle 190, it can prevent the material on the first baffle 190 from sliding directly onto the second baffle 200, thereby reducing the material residue on the second baffle 200.

[0029] Furthermore, since the second baffle 200 is movably connected to the second rotating shaft 170, there is no limit between the second baffle 200 and the second rotating shaft 170. When stirring, the second baffle 200 is able to rotate entirely because of the magnetic relationship between it and the first baffle 190, rather than the second rotating shaft 170 driving the first baffle 190 to rotate synchronously. This will cause a relative sliding tendency between the two baffles, thereby affecting the magnetic force between the two, which may cause the second baffle 200 to fall off. Based on this, if Figure 4 As shown, a slider 210 is provided on one side of the second baffle plate 200 close to the second rotating shaft 170, and a vertical slide groove is provided on the second rotating shaft 170 to slide with the slider 210. By providing the slider 210 and the vertical slide groove, the second baffle plate 200 can be limited, so that the second baffle plate 200 can rotate synchronously with the second rotating shaft 170, thereby reducing the relative sliding tendency between the two baffle plates, thereby reducing the magnetic influence between the first baffle plate 190 and the second baffle plate 200, and reducing the possibility of the second baffle plate 200 falling.

[0030] Furthermore, if the fixing plate on the second rotating shaft 170 is fixedly connected to the second rotating shaft 170, the second baffle 200 also needs to be replaced when the stirring part is replaced, which leads to a waste of parts. Figure 3 As shown, the second rotating shaft 170 and the connecting plate 130 connected thereto are fixed by a second bolt 230 arranged horizontally; the second baffle plate 200 can slide out from the top of the second rotating shaft 170. When replacing the stirring part, the first bolt 140 and the second bolt 230 are removed, and the second baffle plate 200 is taken out from the top of the second rotating shaft 170. In this way, the second rotating shaft 170 and the stirring rod 180 can be directly replaced, and other components do not need to be replaced, thereby saving resources.

[0031] In the description of this patent, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "longitudinal", "horizontal" and the like indicate the position or location relationship based on the attached Figure 1 The orientation or positional relationship shown is only for the convenience of describing this patent and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of this patent.

Claims

1. A stirring mechanism for a plant extraction reactor, characterized in that: The invention comprises a reactor body (100), a top cover (110) arranged at the top of the reactor body (100), a stirring part arranged inside the reactor body (100), a driving part arranged on the top cover (110), and a connecting part connecting the stirring part and the driving part; the connecting part comprises connecting plates (130) respectively arranged at one end of the stirring part and the driving part close to each other, a first bolt (140) fixing the two connecting plates (130), and a shielding device for shielding the first bolt (140); the driving part comprises a motor (150) arranged at the top of the top cover (110), and a first rotating shaft (160) fixedly connected to the output end of the motor (150) and having a bottom end passing through the top cover (110); The stirring portion comprises a second rotating shaft (170) coaxial with the first rotating shaft (160), and a plurality of stirring rods (180) arranged on the second rotating shaft (170); the connecting plates (130) are respectively arranged at the ends of the first rotating shaft (160) and the second rotating shaft (170) close to each other; The shielding device comprises a first baffle (190) fixedly sleeved on the first rotating shaft (160), and a second baffle (200) movably sleeved on the second rotating shaft (170); the second baffle (200) is a bowl-shaped structure, and the first baffle (190) and the second baffle (200) are magnetically connected.

2. A stirring mechanism for a plant extraction reactor according to claim 1, characterized in that: The edge of the second baffle (200) coincides with the edge of the first baffle (190).

3. A stirring mechanism for a plant extraction reactor according to claim 2, characterized in that: The top surface of the first baffle (190) is a convex structure.

4. A stirring mechanism for a plant extraction reactor according to claim 2, characterized in that: A sliding block (210) is provided on one side of the second baffle plate (200) close to the second rotating shaft (170), and a vertical sliding groove (220) that slidably cooperates with the sliding block (210) is provided on the second rotating shaft (170).

5. The stirring mechanism of a plant extraction reactor according to claim 1, characterized in that: The second rotating shaft (170) and the connecting plate (130) connected thereto are fixed via a second horizontally arranged bolt (230); and the second baffle plate (200) can slide out from the top end of the second rotating shaft (170).

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