Plant low-temperature concentration and extraction equipment

Abstract

The utility model relates to the technical field of low-temperature extraction, and discloses plant low-temperature concentration extraction equipment which comprises an extraction tank and a filter box, a motor is fixedly connected to the top end of the extraction tank, a stirring rod is fixedly connected to the driving end of the motor, and a liquid inlet pipe is fixedly connected to the right side of the top end of the extraction tank; a feeding pipe is fixedly connected to the left side of the top end of the extraction tank, an annular cooling pipe is fixedly connected to the inner wall of the extraction tank, a discharging pipe is fixedly connected to the bottom end of the extraction tank, and a first electromagnetic valve is fixedly connected to the outer wall of the discharging pipe. According to the device disclosed by the utility model, extract liquor is filtered through the filter plate, so that the influence of residues and impurities on the extraction purity is prevented, after filtration is completed, the filter plate is driven to move leftwards, so that the filter plate is conveniently taken out for cleaning, and plant residues and impurities in the extracted extract liquor can be filtered; and residues and impurities are prevented from influencing the extraction purity and reducing the extraction quality.

Description

Technical Field

[0001] The utility model relates to the technical field of low-temperature extraction, in particular to a low-temperature plant concentration and extraction device. Background Art

[0002] Plant low-temperature concentration extraction is a technology that extracts active ingredients from plant materials under low-temperature conditions. The purpose of this method is to operate at the lowest possible temperature to avoid degradation and oxidation of heat-sensitive components, thereby maintaining the activity and purity of the extract. To this end, in order to extract plants, a low-temperature extraction equipment is required.

[0003] After searching, a plant essential oil extraction device with announcement number CN216890848U includes an extraction box, which is provided with an extraction chamber and a steam chamber from top to bottom in sequence. The side wall of the extraction box is connected to the extraction chamber and is provided with a side door. A steam chamber is provided around the extraction chamber in the extraction box, and the bottom end of the steam chamber is connected to the top wall of the steam chamber. A plurality of storage trays are evenly connected from top to bottom in the extraction chamber, and air holes are provided on the plurality of storage trays. Both side walls of the extraction chamber are located below the plurality of storage trays and are connected to steam heads, which are connected to the steam chamber. A condensation chamber is connected to one side of the extraction box, and a condensation tube is connected to the condensation chamber. The input end of the condensation tube passes through the top wall of the condensation chamber and is connected to the top wall of the extraction chamber, and the output end of the condensation tube passes through the bottom wall of the condensation chamber and is connected to a static separation chamber. The advantages of the utility model compared with the prior art are: providing a plant essential oil extraction device with good extraction effect and increased contact efficiency between plants and steam;

[0004] Based on the above patent, the side door is provided to facilitate the storage of plants for use and the cleaning of the extraction chamber. The plant materials can be placed separately by multiple placement trays when the device is in use. Stacking too many plants will affect the extraction efficiency. The multiple steam heads are provided to facilitate the contact between steam and plants for extraction. The soft brush can be used to stir the plants during use to facilitate the contact between plants and steam. The spirally provided condenser tube facilitates the cooling and condensation of the steam after extraction in the condensation chamber to form a mixed liquid for static treatment. However, when the above scheme is used, it is not convenient to filter impurities in the plant extract after extraction. The impurities will affect the purity of the extraction and reduce the quality of the extraction. Utility Model Content

[0005] In order to solve the problem that it is inconvenient to filter impurities in the plant extract after extraction in the prior art, and the impurities will affect the purity of the extraction and reduce the quality of the extraction, the present application provides a plant low-temperature concentration extraction equipment, which filters the extract after extraction through a filter plate to prevent impurities from affecting the purity of the extraction.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A low-temperature plant concentration extraction device comprises an extraction tank and a filter box, wherein a motor is fixedly connected to the top of the extraction tank, a stirring rod is fixedly connected to the driving end of the motor, a liquid inlet pipe is fixedly connected to the right side of the top of the extraction tank, a feed pipe is fixedly connected to the left side of the top of the extraction tank, an annular cooling pipe is fixedly connected to the inner wall of the extraction tank, a discharge pipe is fixedly connected to the bottom end of the extraction tank, a first solenoid valve is fixedly connected to the outer wall of the discharge pipe, the inner wall of the filter box is connected to a filter plate through a sliding component, the inner wall of the middle part of the left end of the filter box is connected to a paddle through a fixing component, a water pump is fixedly connected to the bottom side of the right end of the filter box, and the right end of the water pump is connected to a vacuum pump through a concentration component.

[0008] As a further improvement of the present invention, the sliding assembly comprises a connection frame slidably connected to the inner wall of the filter box, and a handle is fixedly connected to the left end of the connection frame.

[0009] As a further improvement of the utility model, the fixing assembly includes a fixing block slidably connected to the inner wall of the middle part of the left end of the filter box, and the fixing block is connected to the inner wall of the filter box via a spring.

[0010] As a further improvement of the utility model, the concentration component includes a connecting pipe fixedly connected to the right end of the water pump, the right end of the connecting pipe is fixedly connected to a concentration box, the top of the concentration box is fixedly connected to an air outlet pipe, the bottom of the concentration box is fixedly connected to a liquid outlet pipe, and the outer wall of the liquid outlet pipe is fixedly connected to a second solenoid valve.

[0011] As a further improvement of the utility model, the bottom end of the discharge pipe is fixedly connected to the top end of the filter box, one end of the spring is connected to the fixed block, and the other end of the spring is connected to the inner wall of the filter box.

[0012] As a further improvement of the utility model, the outer wall of the filter plate is fixedly connected to the inner wall of the connecting frame.

[0013] As a further improvement of the utility model, the right end of the paddle is fixedly connected to the left end of the fixing block.

[0014] As a further improvement of the utility model, the left end of the vacuum pump is fixedly connected to the right end of the concentration tank.

[0015] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0016] 1. In the utility model, by the cooperation of the connecting frame, the filter plate, the handle, the fixing block, the paddle and the spring, the plant residues and impurities in the extracted liquid can be filtered to prevent the residues and impurities from affecting the purity of the extraction and reducing the quality of the extraction, and the filter plate can be cleaned conveniently.

[0017] 2. In the utility model, through the cooperation of the water pump, the connecting pipe, the concentration box, the air outlet pipe, the vacuum pump, the liquid outlet pipe and the second solenoid valve, the extracted liquid can be concentrated and the residual solution in the extracted liquid can be evaporated, which is convenient for subsequent collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an axonometric diagram of a low-temperature plant concentration and extraction device proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of a stirring rod in a low-temperature plant concentration and extraction device proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of a filter plate in a low-temperature plant concentration and extraction device proposed by the utility model;

[0021] Figure 4 The utility model discloses a structural schematic diagram of a concentration box in a low-temperature plant concentration and extraction device.

[0022] Legend:

[0023] 1. Extraction tank; 2. Motor; 3. Stirring rod; 4. Liquid inlet pipe; 5. Feed pipe; 6. Annular cooling pipe; 7. Discharge pipe; 8. First solenoid valve; 9. Filter box; 10. Connection frame; 11. Filter plate; 12. Handle; 13. Fixed block; 14. Paddle; 15. Spring; 16. Water pump; 17. Connection pipe; 18. Concentration box; 19. Air outlet pipe; 20. Vacuum pump; 21. Liquid outlet pipe; 22. Second solenoid valve. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0027] In the description of this application, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the application is usually placed when in use. It is only for the convenience of describing this application 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 on this application. In addition, if the terms "first", "second", etc. appear in the description of this application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0028] In addition, if the terms "horizontal" or "vertical" appear in the description of this application, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0029] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] Embodiment 1: A plant low-temperature concentration extraction device comprises an extraction tank 1 and a filter box 9, wherein a motor 2 is fixedly connected to the top of the extraction tank 1, a stirring rod 3 is fixedly connected to the driving end of the motor 2, a liquid inlet pipe 4 is fixedly connected to the right side of the top of the extraction tank 1, a feeding pipe 5 is fixedly connected to the left side of the top of the extraction tank 1, an annular cooling pipe 6 is fixedly connected to the inner wall of the extraction tank 1, a discharge pipe 7 is fixedly connected to the bottom end of the extraction tank 1, a first solenoid valve 8 is fixedly connected to the outer wall of the discharge pipe 7, a connecting frame 10 is slidably connected to the inner wall of the filter box 9, a handle 12 is fixedly connected to the left end of the connecting frame 10, an outer wall of a filter plate 11 is fixedly connected to the inner wall of the connecting frame 10, a fixed block 13 is slidably connected to the inner wall of the middle part of the left end of the filter box 9, the fixed block 13 is connected to the inner wall of the filter box 9 by a spring 15, the right end of the paddle 14 is fixedly connected to the left end of the fixed block 13, and the filter box 9 is connected to the inner wall of the filter box 9 by a spring 15. The material pipe 5 adds the crushed plant material into the extraction tank 1, and then adds the extraction solvent into the extraction tank 1 through the liquid inlet pipe 4. By starting the motor 2, the stirring rod 3 is driven to rotate, so that the effective ingredients in the plant material can be precipitated into the extraction solvent more quickly, and by passing cold air into the annular cooling pipe 6, the purpose of low-temperature extraction can be achieved in the extraction tank 1. When the extraction is completed, the first solenoid valve 8 is started to allow the extract to enter the filter box 9, and the extract is filtered through the filter plate 11 to prevent residues and impurities from affecting the purity of the extraction. When the filtration is completed, the paddle 14 is pushed upward to release the fixing block 13 from fixing the connecting frame 10, and the handle 12 is pulled to drive the connecting frame 10 to move to the left, and then the filter plate 11 is driven to move to the left, so that the filter plate 11 is taken out for cleaning.

[0031] Embodiment 2: A water pump 16 is fixedly connected to the bottom right end of the filter box 9, a connecting pipe 17 is fixedly connected to the right end of the water pump 16, a concentration box 18 is fixedly connected to the right end of the connecting pipe 17, an air outlet pipe 19 is fixedly connected to the top of the concentration box 18, a liquid outlet pipe 21 is fixedly connected to the bottom end of the concentration box 18, a second solenoid valve 22 is fixedly connected to the outer wall of the liquid outlet pipe 21, and a vacuum pump 20 is fixedly connected to the right end of the concentration box 18 at its left end. The filtered extraction solvent passes through the water pump 16 and enters the concentration box 18 through the connecting pipe 17. The air pressure in the concentration box 18 is reduced by the action of the vacuum pump 20, and the boiling point of the extraction solvent is gradually reduced. When the boiling point is reached, the extraction solvent evaporates and enters the air outlet pipe 19, which is convenient for subsequent collection.

[0032] As one of the optimized structural designs for Example 1, Figure 1-Figure 4 As shown, the bottom end of the discharge pipe 7 is fixedly connected to the top of the filter box 9, which is convenient for filtering the extract. One end of the spring 15 is connected to the fixed block 13, and the other end of the spring 15 is connected to the inner wall of the filter box 9 to improve the stability of the connection frame 10.

[0033] Working principle: First, add the crushed plant material into the extraction tank 1 through the feed pipe 5, and then add the extraction solvent into the extraction tank 1 through the liquid inlet pipe 4. By starting the motor 2, the stirring rod 3 is driven to rotate, so that the effective ingredients in the plant material can be precipitated into the extraction solvent more quickly, and by passing cold air into the annular cooling pipe 6, the purpose of low-temperature extraction can be achieved in the extraction tank 1. When the extraction is completed, the first solenoid valve 8 is started to allow the extract to enter the filter box 9, and the extract is filtered through the filter plate 11 to prevent residues and impurities from affecting the extraction. Purity. When the filtration is completed, the paddle 14 is pushed upwards to release the fixing block 13 on the connecting frame 10. The handle 12 is pulled to drive the connecting frame 10 to move to the left, and then the filter plate 11 is driven to move to the left, so that the filter plate 11 can be taken out for cleaning. The filtered extraction solvent passes through the water pump 16 and enters the concentration tank 18 through the connecting pipe 17. The air pressure in the concentration tank 18 is reduced by the action of the vacuum pump 20, and the boiling point of the extraction solvent is gradually reduced. When the boiling point is reached, the extraction solvent evaporates and enters the air outlet pipe 19, which is convenient for subsequent collection.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-temperature plant concentration extraction device, comprising an extraction tank (1) and a filter box (9), characterized in that: The top of the extraction tank (1) is fixedly connected to a motor (2), the driving end of the motor (2) is fixedly connected to a stirring rod (3), the right side of the top of the extraction tank (1) is fixedly connected to a liquid inlet pipe (4), the left side of the top of the extraction tank (1) is fixedly connected to a feed pipe (5), the inner wall of the extraction tank (1) is fixedly connected to an annular cooling pipe (6), the bottom of the extraction tank (1) is fixedly connected to a discharge pipe (7), the outer wall of the discharge pipe (7) is fixedly connected to a first solenoid valve (8), the inner wall of the filter box (9) is connected to the filter plate (11) through a sliding component, the inner wall of the middle part of the left end of the filter box (9) is connected to a paddle (14) through a fixing component, the bottom side of the right end of the filter box (9) is fixedly connected to a water pump (16), and the right end of the water pump (16) is connected to a vacuum pump (20) through a concentration component.

2. A plant low temperature concentration and extraction device according to claim 1, characterized in that: The sliding assembly comprises a connection frame (10) which is slidably connected to the inner wall of the filter box (9), and a handle (12) is fixedly connected to the left end of the connection frame (10).

3. The low-temperature plant concentration and extraction device according to claim 1, characterized in that: The fixing assembly comprises a fixing block (13) slidably connected to the inner wall of the middle part of the left end of the filter box (9); the fixing block (13) is connected to the inner wall of the filter box (9) via a spring (15).

4. The low-temperature plant concentration and extraction device according to claim 1, characterized in that: The concentration component comprises a connecting pipe (17) fixedly connected to the right end of the water pump (16); the right end of the connecting pipe (17) is fixedly connected to a concentration tank (18); the top of the concentration tank (18) is fixedly connected to an air outlet pipe (19); the bottom of the concentration tank (18) is fixedly connected to a liquid outlet pipe (21); and the outer wall of the liquid outlet pipe (21) is fixedly connected to a second solenoid valve (22).

5. The low-temperature plant concentration and extraction device according to claim 3, characterized in that: The bottom end of the discharge pipe (7) is fixedly connected to the top end of the filter box (9), one end of the spring (15) is connected to the fixed block (13), and the other end of the spring (15) is connected to the inner wall of the filter box (9).

6. The low-temperature plant concentration and extraction device according to claim 2, characterized in that: The outer wall of the filter plate (11) is fixedly connected to the inner wall of the connection frame (10).

7. The low-temperature plant concentration and extraction device according to claim 3, characterized in that: The right end of the plectrum (14) is fixedly connected to the left end of the fixing block (13).

8. The low-temperature plant concentration and extraction device according to claim 4, characterized in that: The left end of the vacuum pump (20) is fixedly connected to the right end of the concentration tank (18).

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