Plant pigment extraction apparatus

By introducing a crushing and filtering mechanism into the plant pigment extraction equipment, and utilizing the rotation of the filter frame and circular filter membrane, as well as the cylinder-driven extrusion of the circular plate, the problem of filtration resistance caused by plant residue aggregation is solved, and efficient pigment solution filtration is achieved.

CN122209136APending Publication Date: 2026-06-16NANTONG UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANTONG UNIV
Filing Date
2026-03-10
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

In existing technologies, plant residue accumulates above the filter plate to form an aggregate layer, increasing filtration resistance and reducing the filter plate's filtration efficiency for pigment solutions.

Method used

The system employs a crushing and filtering mechanism within a cylinder, including a filter frame, a circular filter membrane, and a cylinder-driven circular plate. Through preliminary filtration and the rotation of the circular filter membrane, along with the compression by the cylinder-driven circular plate, plant residue is prevented from accumulating on the filter membrane surface, ensuring filtration efficiency.

🎯Benefits of technology

It effectively reduces the filtration pressure on the filter membrane, ensures the filtration effect and efficiency of the pigment solution, avoids the accumulation of plant residue on the filter membrane surface, and improves filtration efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN122209136A_ABST
    Figure CN122209136A_ABST
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Abstract

The present application relates to a kind of plant pigment extraction equipment, belong to plant pigment extraction technical field.The plant pigment extraction equipment, including: cylinder, the inside of the cylinder is provided with crushing mechanism, the bottom end of the cylinder is connected with round pipe;Above-mentioned filter mechanism, utilize filter frame to carry out preliminary filtration to pigment solution, make larger particle plant residue retain in filter frame, reduce the filtering pressure of circular filter membrane, and filter frame has certain height, even if plant residue retains in the surface above filter frame in filter frame still can filter pigment solution, and under the action of motor, connecting rod and circular ring, it is favorable to drive the process that circular filter membrane filters pigment solution and continuously rotates, it is favorable to make the plant residue that the surface of circular filter membrane retains constantly shift, avoid plant residue and form plant residue accumulation layer on the surface of circular filter membrane by plant residue accumulation, to reduce the filtering resistance of pigment solution through circular filter membrane, guarantee the filtration efficiency of pigment solution.
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Description

Technical Field

[0001] This invention relates to the field of plant pigment extraction technology, and in particular to a plant pigment extraction device. Background Technology

[0002] Plant extracts are made from plants. Plant pigment extraction is the core source of raw materials for textile dyeing. When using extracted plant pigments to dye textiles, the extracted plant pigments need to be filtered to ensure the dyeing effect of the plant pigments on the textiles.

[0003] A search revealed that the Chinese patent "A Filtration Device for Plant Pigment Extraction" (authorization announcement number CN221155577U) utilizes a tank, storage tank, rotating mechanism, compression mechanism, support frame, and temperature controller. A motor drives a first rotating shaft and crushing blades to rotate continuously. The rotation of the first rotating shaft also drives a fixed column to rotate synchronously, causing a moving block to repeatedly slide up and down within a groove, along with a support plate, compression plate, and slider. This allows the device to repeatedly compress the material on the filter plate, accelerating the filtration efficiency and preventing external impurities from being mixed into the filtrate when filtering by swinging the filter screen, thus ensuring the filtration effect of the device and preventing subsequent processing of the plant extract.

[0004] Although the filter plate used in the above application can filter plant residue in the pigment solution, the plant residue will accumulate on the top of the filter plate during the filtration process. The accumulated plant residue will form an aggregate layer, thereby increasing the filtration resistance and reducing the filtration efficiency of the filter plate for the pigment solution. Summary of the Invention

[0005] Therefore, it is necessary to provide a plant pigment extraction device to address the problem that plant residue accumulates on top of the filter plate during the filtration process, forming an aggregate layer that increases filtration resistance and reduces the filtration efficiency of the filter plate for pigment solutions.

[0006] Includes: a cylinder, wherein a crushing mechanism is provided inside the cylinder, and a circular tube is connected to the bottom end of the cylinder;

[0007] A filtration mechanism includes a filter cylinder connected to the bottom end of a circular tube. A fixed frame is fixedly connected to the upper end of the inner wall of the filter cylinder. A drain pipe is connected to the bottom end of the fixed frame. A filter frame is fixedly connected to the top inner wall of the filter cylinder and is placed inside the fixed frame. A circular ring is rotatably connected to the lower end of the inner wall of the filter cylinder. A circular filter membrane is fixedly connected to the inner wall of the circular ring. A connecting rod is fixedly connected to the bottom end of the circular ring. A motor is fixedly connected to the bottom end of the filter cylinder. The output shaft of the motor is fixedly connected to the bottom end of the connecting rod.

[0008] In one embodiment, a circular plate is slidably connected to the upper end of the inner wall of the filter cylinder, the lower end of the surface of the drain pipe is fixedly connected to the inner wall of the circular plate, and a cylinder is fixedly connected to the inner wall of the filter cylinder, with the telescopic end of the cylinder fixedly connected to the top end of the circular plate.

[0009] In one embodiment, a one-way valve is fixedly connected to the lower end of the surface of the drain pipe.

[0010] In one embodiment, an annular frame is fixedly connected to the lower end of the inner wall of the filter cartridge, the bottom end of the ring is fitted with the top end of the annular frame, and an annular filter membrane is embedded in the bottom end of the annular frame.

[0011] In one embodiment, the drain pipe is a corrugated pipe, and the drain pipe is a rubber component.

[0012] In one embodiment, the bottom end of the fixing frame is funnel-shaped, and the inner diameter of the fixing frame is larger than the outer diameter of the filter frame.

[0013] In one embodiment, the center of the circular tube, the center of the filter frame, and the center of the fixing frame coincide.

[0014] In one embodiment, a rubber ring is embedded in the surface of the circular plate.

[0015] Beneficial effects

[0016] 1. The filter mechanism is designed to initially filter the pigment solution using a filter frame, trapping larger plant residue particles within the frame. This reduces the filtration pressure on the circular filter membrane. The filter frame also has a certain height, allowing filtration of the pigment solution even above the filter frame surface, ensuring effective filtration. Furthermore, the motor, connecting rod, and ring drive the circular filter membrane to rotate continuously during filtration, causing the plant residue on the membrane surface to shift and preventing accumulation. This reduces the filtration resistance of the pigment solution and ensures efficient filtration.

[0017] 2. By setting up a circular plate, when the pigment solution below the circular plate accumulates to a certain height, the downward movement of the circular plate applies pressure to the pigment solution, which helps to accelerate the filtration efficiency of the pigment solution through the circular filter membrane. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a cross-sectional view of the cylinder and filter cylinder of the present invention;

[0021] Figure 3 This is a schematic diagram of the filtration mechanism of the present invention;

[0022] Figure 4 This is a schematic diagram of the installation structure of the circular tube, the fixing frame, and the circular plate of the present invention;

[0023] Figure 5 This is a circumferential cross-sectional view of the present invention.

[0024] Figure label:

[0025] 100. Cylinder; 200. Crushing mechanism; 300. Circular tube; 400. Filtration mechanism; 410. Filter cylinder; 420. Fixing frame; 421. Drain pipe; 422. One-way valve; 430. Filter frame; 440. Circular plate; 450. Circular ring; 451. Connecting rod; 460. Circular filter membrane; 470. Electric motor; 480. Cylinder; 490. Annular frame; 491. Annular filter membrane. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0027] The following is combined Figures 1-5 The present invention describes a plant pigment extraction apparatus.

[0028] In one embodiment, a plant pigment extraction device includes: a cylinder 100, a crushing mechanism 200 disposed inside the cylinder 100, and a circular tube 300 connected to the bottom end of the cylinder 100.

[0029] The filter mechanism 400 includes a filter cylinder 410 connected to the bottom end of the circular tube 300. A fixing frame 420 is fixedly connected to the upper end of the inner wall of the filter cylinder 410. A drain pipe 421 is connected to the bottom end of the fixing frame 420. A filter frame 430 is fixedly connected to the inner top wall of the filter cylinder 410 and is placed inside the fixing frame 420. A circular ring 450 is rotatably connected to the lower end of the inner wall of the filter cylinder 410. A circular filter membrane 460 is fixedly connected to the inner wall of the circular ring 450. A connecting rod 451 is fixedly connected to the bottom end of the circular ring 450. A motor 470 is fixedly connected to the bottom end of the filter cylinder 410. The output shaft of the motor 470 is fixedly connected to the bottom end of the connecting rod 451.

[0030] In this embodiment, the crushing mechanism 200 includes a rotating rod rotatably connected to the inner wall of the cylinder 100. A motor is fixedly connected to the top end of the cylinder 100, and the output shaft of the motor is rotatably connected to the top end of the rotating rod. Three sets of crushing blades are fixedly connected to the lower end of the rotating rod, each set of crushing blades consisting of multiple blades. (See reference...) Figure 2 When the motor is started via the controller, the motor's output shaft drives the rotating rod to rotate, which in turn drives the three sets of crushing blades to rotate.

[0031] The top of the cylinder 100 is provided with a feed inlet, and a sealing plate is installed at the feed inlet. During use, the sealing plate blocks the feed inlet. Plants and solvents can be poured into the cylinder 100 through the feed inlet, and the crushing mechanism 200 can be started to crush the plants. Depending on the actual situation, the crushed plants and solvents can be soaked in the cylinder 100 for a certain period of time to fully dissolve the pigments in the plants.

[0032] A valve is installed on the surface of the circular tube 300. In the initial state, the valve is closed. When it is necessary to discharge the crushed plants and pigments from the cylinder 100, the valve can be opened manually to make the circular tube 300 open.

[0033] The motor is a YE4 series three-phase asynchronous motor, and the motor 470 is a YE2 series motor. A sealed bearing is embedded in the inner bottom wall of the filter cartridge 410. The inner edge of the sealed bearing is fixedly connected to the output shaft of the motor 470 to ensure the seal at the connection between the output shaft of the motor 470 and the filter cartridge 410 during the rotation of the output shaft of the motor 470. The motor 470 is started by controlling the operation, and the speed of the output shaft of the motor 470 is adjusted according to the actual use requirements to avoid excessive speed. The rotation of the output shaft of the motor 470 will drive the connecting rod 451 to rotate, thereby driving the ring 450 to rotate.

[0034] The lower end of the filter cartridge 410 is connected to a liquid outlet pipe. When the device is in use, the liquid outlet pipe is connected to the pigment collection pipe. A valve is installed on the surface of the liquid outlet pipe. In the initial state, the valve is closed. When it is necessary to discharge the filtered pigment solution, the valve can be opened.

[0035] It should be noted that a circular filter membrane 460 with an appropriate pore size range should be selected according to the actual filtration requirements so that the circular filter membrane 460 can effectively intercept and extract impurities in the pigment during the filtration process. The mesh pore size of the filter frame 430 is larger than that of the circular filter membrane 460.

[0036] like Figure 3 and Figure 4 As shown, a circular plate 440 is slidably connected to the upper end of the inner wall of the filter cylinder 410, the lower end of the surface of the drain pipe 421 is fixedly connected to the inner wall of the circular plate 440, and a cylinder 480 is fixedly connected to the inner wall of the filter cylinder 410. The telescopic end of the cylinder 480 is fixedly connected to the top end of the circular plate 440.

[0037] In this embodiment, the bottom end of the drain pipe 421 passes through the circular plate 440. In the initial state, the circular plate 440 moves upward to its highest height, forming a cavity between the bottom end of the circular plate 440 and the top end of the circular ring 450. A transparent plate is embedded in the surface of the filter cylinder 410, allowing the operator to observe the liquid level in the cavity through the transparent plate. When the liquid level is below the circular plate 440, the cylinder 480 is activated. When the cylinder 480 pushes the circular plate 440 downward to its lowest height, there is a certain distance between the bottom end of the circular plate 440 and the top end of the circular filter membrane 460.

[0038] In this embodiment, cylinder 480 is a CLA63-D series small cylinder. Cylinder 480 has self-locking properties. When cylinder 480 stops running, the extension and retraction ends of cylinder 480 are locked to maintain stability.

[0039] like Figure 4 As shown, a one-way valve 422 is fixedly connected to the lower end of the surface of the drain pipe 421.

[0040] In this embodiment, the one-way valve 422 allows the solution in the fixed frame 420 to flow downward through the drain pipe 421, preventing the solution below the circular plate 440 from flowing through the drain pipe 421 during the downward pressing process of the circular plate 440, thereby ensuring the pressing effect of the circular plate 440 on the solution.

[0041] like Figure 4 and Figure 5 As shown, an annular frame 490 is fixedly connected to the lower end of the inner wall of the filter cylinder 410, the bottom end of the ring 450 is attached to the top end of the annular frame 490, and an annular filter membrane 491 is embedded in the bottom end of the annular frame 490.

[0042] In this embodiment, the horizontal height of the bottom end of the annular frame 490 is higher than the horizontal height of the highest point of the top end of the liquid outlet tube surface. When the annular frame 450 rotates, when a solution flows downward through the gap between the annular frame 450 and the filter cylinder 410, the downward flowing solution will enter the annular frame 490 and be filtered through the annular filter membrane 491.

[0043] It should be noted that annular filter membrane 491 with the same pore size as circular filter membrane 460 should be selected according to actual filtration requirements.

[0044] like Figure 4 As shown, the drain pipe 421 is a corrugated pipe and a rubber component.

[0045] In this embodiment, when the circular plate 440 moves up and down, it will cause the drain pipe 421 to extend and retract accordingly, thereby ensuring the stability of the connection between the drain pipe 421 and the fixed frame 420 and the circular plate 440.

[0046] like Figure 3 and Figure 4 As shown, the bottom of the fixing frame 420 is funnel-shaped, and the inner diameter of the fixing frame 420 is larger than the outer diameter of the filter frame 430. The center of the circular tube 300, the center of the filter frame 430, and the center of the fixing frame 420 coincide.

[0047] In this embodiment, the filter frame 430 has a certain height, and there is a certain gap between the surface of the filter frame 430 and the inner wall of the filter fixing frame 420, so as to ensure that the solution filtered by the filter frame 430 enters the drain pipe 421 through the fixing frame 420 and flows out.

[0048] like Figure 3 As shown, a rubber ring is embedded in the surface of the circular plate 440. The surface of the rubber ring is in close contact with the inner wall of the filter cylinder 410, thereby ensuring the squeezing force on the pigment solution during the downward movement of the circular plate 440.

[0049] Working Principle: When using this device, plants and solvent are poured into the cylinder 100, and the pulverizing mechanism 200 is activated to pulverize the plants. Depending on the actual situation, the pulverized plants and solvent are soaked in the cylinder 100 for a certain period to allow the pigments in the plants to fully dissolve. After the pigments have dissolved, the valve of the circular tube 300 and the liquid outlet pipe on the surface of the filter cylinder 410 are opened. At this time, the pigment solution and pulverized plants in the cylinder 100 flow into the filter cylinder 410 through the circular tube 300 and undergo preliminary filtration through the filter frame 430. Larger plant debris is retained in the filter frame 430, while the pigment solution and smaller plant debris flow through the fixed frame 420 and the drain pipe 421 to the bottom of the circular plate 440 and are filtered through the circular filter membrane 460. After a second filtration, the pigment solution passing through the circular filter membrane 460 is discharged from the outlet pipe. Simultaneously, the controller starts the motor 470, which drives the ring 450 to rotate via the connecting rod 451, thereby causing the circular filter membrane 460 to rotate synchronously. During the rotation of the circular filter membrane 460, the plant residue retained on the surface of the circular filter membrane 460 will move. When the height of the pigment solution in the filter cylinder 410 is below the circular plate 440, the cylinder 480 is activated. The telescopic end of the cylinder 480 pushes the circular plate 440 to move slowly downward. The circular plate 440 will apply pressure to the pigment solution, thereby accelerating the filtration efficiency of the pigment solution through the circular filter membrane 460. After the pigment solution below the circular plate 440 is filtered, the cylinder 480 resets the circular plate 440.

[0050] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A plant pigment extraction device, characterized in that, include: A cylindrical tube (100) is provided inside the cylindrical tube (100), and a crushing mechanism (200) is provided inside the cylindrical tube (100). The bottom end of the cylindrical tube (100) is connected to a cylindrical tube (300). A filtration mechanism (400) includes a filter cylinder (410) connected to the bottom end of a circular tube (300). A fixed frame (420) is fixedly connected to the upper end of the inner wall of the filter cylinder (410). A drain pipe (421) is connected to the bottom end of the fixed frame (420). A filter frame (430) is fixedly connected to the top inner wall of the filter cylinder (410). The filter frame (430) is placed inside the fixed frame (420). A ring (450) is rotatably connected to the lower end of the inner wall of the filter cylinder (410). A circular filter membrane (460) is fixedly connected to the inner wall of the ring (450). A connecting rod (451) is fixedly connected to the bottom end of the ring (450). A motor (470) is fixedly connected to the bottom end of the filter cylinder (410). The output shaft of the motor (470) is fixedly connected to the bottom end of the connecting rod (451).

2. The plant pigment extraction equipment according to claim 1, characterized in that, A circular plate (440) is slidably connected to the upper end of the inner wall of the filter cylinder (410). The lower end of the surface of the drain pipe (421) is fixedly connected to the inner wall of the circular plate (440). A cylinder (480) is fixedly connected to the inner wall of the filter cylinder (410). The telescopic end of the cylinder (480) is fixedly connected to the top end of the circular plate (440).

3. The plant pigment extraction equipment according to claim 1, characterized in that, A one-way valve (422) is fixedly connected to the lower end of the surface of the drain pipe (421).

4. The plant pigment extraction equipment according to claim 1, characterized in that, The lower end of the inner wall of the filter cylinder (410) is fixedly connected to an annular frame (490), the bottom end of the ring (450) is attached to the top end of the annular frame (490), and an annular filter membrane (491) is embedded in the bottom end of the annular frame (490).

5. The plant pigment extraction equipment according to claim 1, characterized in that, The drain pipe (421) is a corrugated pipe and the drain pipe (421) is a rubber component.

6. The plant pigment extraction equipment according to claim 1, characterized in that, The bottom of the fixing frame (420) is funnel-shaped, and the inner diameter of the fixing frame (420) is larger than the outer diameter of the filter frame (430).

7. The plant pigment extraction equipment according to claim 1, characterized in that, The center of the circular tube (300), the center of the filter frame (430), and the center of the fixing frame (420) coincide.

8. The plant pigment extraction equipment according to claim 2, characterized in that, A rubber ring is embedded in the surface of the circular plate (440).