Granular tea defoaming, screening and grading device

Abstract

The utility model discloses a granular tea defoaming, screening and grading device, which belongs to the technical field of tea processing and comprises a steel frame, a defoaming structure for defoaming tea and a screening structure for screening the tea, the defoaming structure is arranged at the top of the steel frame, the screening structure is positioned below the defoaming structure, and the defoaming structure is arranged on the top of the steel frame. The defoaming structure comprises a feeding cylinder fixedly arranged on the steel frame, one end of the feeding cylinder is fixedly connected with a sleeve, and the interior of the sleeve is fixedly connected with an inner cylinder; through the action of an axial flow fan, floating foam in tea leaves in the falling process is blown away, the floating foam flows in the direction close to a sleeve, through the action of a heating pipe, the temperature in a groove rises accordingly, and through the action of an inner barrel, heat is transferred into the sleeve, so that the viscosity of the floating foam is reduced, and the stability of the floating foam is reduced; and therefore, the risk of blockage caused by the fact that floating foam is adhered to the interior of the sleeve is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of tea processing technology, specifically, it relates to a defoaming, screening and grading device for granular tea. Background Technology

[0002] During tea production, especially for granular teas such as pearl tea, impurities and foam are often present. This foam may be formed by dust, tea fragments, and moisture generated during processing, and it can affect the quality and appearance of the tea.

[0003] According to the public announcement (CN206229695U), a defoaming and grading device for granular tea leaves is disclosed. This technology discloses that "it includes a screening box and a defoaming box, characterized in that a defoaming box is provided above the screening box, a feeding pipe is vertically inserted into the defoaming box, the lower end of the feeding pipe is connected to the top of the screening box, a feeding hopper is provided at the upper end of the feeding pipe, a baffle plate is inserted in the feeding pipe, a feeding pipe and an air blowing pipe are respectively provided on the left and right sides of the feeding pipe located in the defoaming box, a blower is provided in the air blowing pipe, the left end of the feeding pipe passes through the left side wall of the defoaming box and is connected to the upper left end of the screening box, a sliding plate is slidably provided at the bottom of the screening box, the right end of the sliding plate is higher than the left end, and the left end of the sliding plate passes through the left end of the screening box. This utility model has a simple and reasonable structure, eliminates the problem of difficult maintenance in the later stage of existing devices, and has strong practicality."

[0004] However, in the aforementioned comparative documents, because the foam has a certain degree of stickiness, mainly due to the presence of components such as protein and polysaccharides, during the process of defoaming tea leaves, the foam may adhere to the inner wall of the pipe due to its own stickiness during the transmission process. Excessive foam accumulation may lead to the risk of pipe blockage, thereby affecting the stability of airflow in the pipe.

[0005] There are currently no effective solutions to the problems in the relevant technologies. Utility Model Content

[0006] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a granular tea defoaming, screening and grading device, which aims to solve the problem that the foam may adhere to the inner wall of the pipe due to its own stickiness when it is blown away and transported.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A defoaming, screening, and grading device for granular tea leaves includes a steel frame, a defoaming structure for defoaming the tea leaves, and a screening structure for screening the tea leaves. The defoaming structure is located on top of the steel frame, and the screening structure is located inside the steel frame, below the defoaming structure.

[0009] The defoaming structure includes a feeding cylinder fixed on a steel frame. A sleeve is fixedly connected to one end of the feeding cylinder. An inner cylinder is fixedly connected inside the sleeve. A groove is formed inside the sleeve. A heating tube is fixedly connected to the sleeve through the groove. An axial flow fan is fixedly connected to the end of the feeding cylinder away from the sleeve. A threaded sleeve is threadedly connected to the end of the sleeve away from the feeding cylinder. A dust collection bag is fixedly connected to the end of the threaded sleeve away from the sleeve.

[0010] Preferably, a filter screen is fixedly connected to the feed inlet of the axial flow fan, and a mounting plate is fixedly connected to the steel frame. The axial flow fan is fixedly mounted on the top of the mounting plate to prevent impurities in the air from flowing into the inside of the feeding cylinder.

[0011] Preferably, the screening structure includes an outer frame, on which a vibration motor is fixedly mounted, and a first screening plate is fixedly connected inside the outer frame, the first screening plate being arc-shaped. A second screening plate is fixedly connected inside the outer frame, the second screening plate being inclined, for screening tea leaves.

[0012] Preferably, the outer frame has a discharge port, and a guide plate is fixedly connected to the outer frame. The guide plate is connected to the discharge port to facilitate the discharge of tea leaves after screening.

[0013] Preferably, a vertical plate is fixedly connected to the steel frame, and a spring is fixedly connected to one side of the vertical plate. The side of the spring away from the outer frame is fixedly connected to the outer side wall of the outer frame to support the outer frame.

[0014] Preferably, the bottom of the feeding cylinder is fixedly connected to a discharge pipe, and the discharge pipe is located above the outer frame, so that the tea leaves can fall into the interior of the outer frame.

[0015] Preferably, the top of the feeding cylinder is fixedly connected to a feeding pipe, the discharge pipe is coaxial with the feeding pipe, the feeding pipe is fixedly passed through the top of the steel frame, and the top of the feeding pipe is fixedly connected to a feeding hopper to facilitate the feeding of tea leaves.

[0016] In summary, the technical effects and advantages of this utility model are as follows: This granular tea defoaming and grading device uses an axial flow fan to blow away the foam from the falling tea leaves, causing the foam to flow towards the sleeve. The heating tube raises the temperature inside the groove, and the inner cylinder transfers the heat to the inside of the sleeve, thereby reducing the viscosity of the foam and decreasing its stability, making it easier for the airflow to disperse it. This avoids the risk of foam sticking to the inside of the sleeve and causing blockage.

[0017] The vibration motor operates, and the first and second screening plates work together to screen the tea leaves after defoaming, separating impurities from the tea leaves. The vertical plate and spring work together to increase the stability of the outer frame vibration, thereby effectively separating the tea leaves from the impurities. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the sleeve and related structures of this utility model;

[0020] Figure 3 This is a schematic diagram of the outer frame and related structures of this utility model;

[0021] Figure 4 This is a schematic diagram of the vertical plate and related structures of this utility model.

[0022] In the diagram: 1. Steel frame;

[0023] 2. Defoaming structure; 21. Feeding cylinder; 22. Sleeve; 23. Inner cylinder; 24. Groove; 25. Heating tube; 26. Axial flow fan; 27. Filter screen; 28. Mounting plate; 29. ​​Discharge pipe; 210. Threaded sleeve; 211. Dust collection bag;

[0024] 3. Feed hopper; 4. Feed pipe;

[0025] 5. Screening structure; 51. Outer frame; 52. Vibration motor; 53. First screening plate; 54. Second screening plate; 55. Discharge port; 56. Guide plate; 57. Vertical plate; 58. Spring. Detailed Implementation

[0026] This utility model provides a device for defoaming, screening, and grading granular tea leaves. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following describes the utility model in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit the scope of protection of this utility model.

[0027] Reference Figure 1-2 A granular tea defoaming, screening and grading device includes a steel frame 1, a defoaming structure 2 for defoaming the tea leaves, and a screening structure 5 for screening the tea leaves. The steel frame 1 is welded from multiple steel structures and has a certain load-bearing capacity. The defoaming structure 2 is located on the top of the steel frame 1, and the screening structure 5 is located inside the steel frame 1, below the defoaming structure 2.

[0028] The defoaming structure 2 includes a feeding cylinder 21 fixed on a steel frame 1. The feeding cylinder 21 is horizontally positioned, and a sleeve 22 is fixedly connected to one end of the feeding cylinder 21. An inner cylinder 23 is fixedly connected inside the sleeve 22. The inner cylinder 23 is mainly made of aluminum and has a certain thermal conductivity. A groove 24 is formed inside the sleeve 22, and a heating tube 25 is fixedly mounted on the sleeve 22 through the groove 24. Two heating tubes 25 are provided and are evenly distributed inside the sleeve 22. An axial flow fan 26 is fixedly mounted on the end of the feeding cylinder 21 away from the sleeve 22, and a threaded sleeve 2 is threadedly connected to the end of the sleeve 22 away from the feeding cylinder 21. 10. A dust collection bag 211 is fixedly connected to the end of the threaded sleeve 210 away from the sleeve 22. During the falling of the tea leaves, the airflow is adjusted by controlling the axial flow fan 26. The airflow blows away the foam in the tea leaves. During the flow of the foam, the heating tube 25 runs, and the temperature inside the groove 24 rises accordingly. The inner cylinder 23 transfers heat to the inside of the sleeve 22, thereby heating the foam, reducing the viscosity of the foam, making the foam less stable, and making it easier to be blown away by the airflow. This avoids the risk of foam sticking to the inside of the sleeve 22 and causing blockage. Then the dust collection bag 211 collects the foam.

[0029] Reference Figure 1 A filter screen 27 is fixedly connected to the feed inlet of the axial flow fan 26. The model of the axial flow fan 26 is BT35-11. A mounting plate 28 is fixedly connected to the steel frame 1. The axial flow fan 26 is fixed on the top of the mounting plate 28. After the axial flow fan 26 is running, the airflow flows from left to right. The filter screen 27 separates the impurities in the airflow flowing into the feed cylinder 21.

[0030] Reference Figure 1 , Figure 3 and Figure 4 The screening structure 5 includes an outer frame 51, on which a vibration motor 52 is fixed. The vibration motor 52 is model YZS-30-2. A first screening plate 53 is fixedly connected inside the outer frame 51, and the first screening plate 53 is arranged in an arc shape. A second screening plate 54 is fixedly connected inside the outer frame 51. The diameter of the filter holes on the first screening plate 53 is larger than the diameter of the filter holes on the second screening plate 54, and the second screening plate 54 is arranged at an angle. After the vibration motor 52 is running, the outer frame 51 drives the first screening plate 53 and the second screening plate 54 to vibrate, screening the tea leaves, and the impurities fall to the ground.

[0031] Reference Figure 3 The outer frame 51 has a discharge port 55, and a guide plate 56 is fixedly connected to the outer frame 51. The guide plate 56 is connected to the discharge port 55. The tea leaves screened inside the steel frame 1 are discharged through the discharge port 55 and the guide plate 56, and then the staff can collect the tea leaves.

[0032] Reference Figure 1 , Figure 3 and Figure 4 A vertical plate 57 is fixedly connected to the steel frame 1. There are two sets of vertical plates 57, which are symmetrically distributed around the central axis of the steel frame 1. A spring 58 is fixedly connected to one side of the vertical plate 57. The side of the spring 58 away from the outer frame 51 is fixedly connected to the outer wall of the outer frame 51. The vertical plate 57 and the spring 58 support the outer frame 51 during vibration.

[0033] Reference Figure 1 The bottom of the feeding cylinder 21 is fixedly connected to the discharge pipe 29, and the discharge pipe 29 is located above the outer frame 51. The tea leaves after defoaming fall onto the first screening plate 53 through the discharge pipe 29.

[0034] Reference Figure 1 The top of the feeding cylinder 21 is fixedly connected to the feed pipe 4. The discharge pipe 29 is coaxial with the feed pipe 4. The inner circumference of the feed pipe 4 is smaller than that of the discharge pipe 29. The feed pipe 4 is fixedly connected to the top of the steel frame 1. The top of the feed pipe 4 is fixedly connected to the feed hopper 3. The tea leaves flow into the interior of the feeding cylinder 21 through the feed hopper 3 and the feed pipe 4 and undergo defoaming treatment.

[0035] Working principle: First, tea leaves are fed into the feed hopper 3, and then fall into the feeding cylinder 21 through the feed pipe 4. The axial flow fan 26 operates, and the filter screen 27 filters the airflow into the feeding cylinder 21 to prevent impurities in the air from contaminating the tea leaves. The airflow generated by the axial flow fan 26 is adjusted according to needs, creating a certain pressure and direction of airflow inside the feeding cylinder 21. When tea leaves with foam enter the feeding cylinder 21, the airflow blows the foam to the right. The foam is then transferred to the sleeve 22, where the heating tube 25 operates, causing the groove 2... 4. The internal temperature rises accordingly, and the inner cylinder 23 transfers heat to the inside of the sleeve 22, thereby reducing the viscosity of the foam and preventing the foam from sticking to the inner wall of the pipe. After the tea leaves are de-foamed, they fall onto the first screening plate 53 through the discharge pipe 29. The vibration motor 52 runs, and the tea leaves are screened through the first screening plate 53 and the second screening plate 54. The diameter of the filter holes on the first screening plate 53 is larger than that on the second screening plate 54, which separates the impurities in the tea leaves. The screened tea leaves are then discharged through the discharge port 55 and the guide plate 56, and the staff collects the tea leaves.

[0036] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows for communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. A granular tea leaf defoaming, screening, and grading device, characterized in that, It includes a steel frame (1), a defoaming structure (2) for defoaming tea leaves, and a screening structure (5) for screening tea leaves. The defoaming structure (2) is located on top of the steel frame (1), and the screening structure (5) is located inside the steel frame (1) and below the defoaming structure (2). The defoaming structure (2) includes a feeding cylinder (21) fixed on a steel frame (1). A sleeve (22) is fixedly connected to one end of the feeding cylinder (21). An inner cylinder (23) is fixedly connected inside the sleeve (22). A groove (24) is provided inside the sleeve (22). A heating tube (25) is fixedly provided through the groove (24) of the sleeve (22). An axial flow fan (26) is fixedly provided at the end of the feeding cylinder (21) away from the sleeve (22). A threaded sleeve (210) is threadedly connected to the end of the sleeve (22) away from the feeding cylinder (21). A dust collection bag (211) is fixedly connected to the end of the threaded sleeve (210) away from the sleeve (22).

2. The granular tea leaf defoaming, screening, and grading device according to claim 1, characterized in that, A filter screen (27) is fixedly connected to the feed inlet of the axial flow fan (26), and an mounting plate (28) is fixedly connected to the steel frame (1). The axial flow fan (26) is fixedly mounted on the top of the mounting plate (28).

3. The granular tea leaf defoaming, screening, and grading device according to claim 1, characterized in that, The screening structure (5) includes an outer frame (51), on which a vibration motor (52) is fixedly mounted. A first screening plate (53) is fixedly connected inside the outer frame (51), and the first screening plate (53) is arranged in an arc shape. A second screening plate (54) is fixedly connected inside the outer frame (51), and the second screening plate (54) is arranged in an inclined shape.

4. The granular tea leaf defoaming, screening, and grading device according to claim 3, characterized in that, The outer frame (51) is provided with a discharge port (55), and a guide plate (56) is fixedly connected to the outer frame (51). The guide plate (56) is connected to the discharge port (55).

5. The granular tea leaf defoaming, screening, and grading device according to claim 1, characterized in that, A vertical plate (57) is fixedly connected to the steel frame (1), and a spring (58) is fixedly connected to one side of the vertical plate (57). The side of the spring (58) away from the outer frame (51) is fixedly connected to the outer side wall of the outer frame (51).

6. The granular tea leaf defoaming, screening, and grading device according to claim 3, characterized in that, The bottom of the feeding cylinder (21) is fixedly connected to the discharge pipe (29), and the discharge pipe (29) is located above the outer frame (51).

7. The granular tea leaf defoaming, screening, and grading device according to claim 6, characterized in that, The top of the feeding cylinder (21) is fixedly connected to the feed pipe (4), the discharge pipe (29) is coaxial with the feed pipe (4), the feed pipe (4) is fixedly connected to the top of the steel frame (1), and the top of the feed pipe (4) is fixedly connected to the feed hopper (3).

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