A tea block drying apparatus

Abstract

The utility model relates to the field of processing technology of radix isatidis tea block, concretely is a kind of tea block drying equipment, it includes: drying chamber and net rack, the inside of drying chamber is provided with air duct component, and for guaranteeing heat efficient utilization and uniform distribution, the bottom side of net rack is provided with moving mechanism, and for assisting the net rack to the outside of drying chamber moves. That through setting air duct component, make main air duct receive heat source input, and hot air is evenly distributed to both sides connection air duct, connection air duct extends along the longitudinal direction of both sides of net rack, and hot air is delivered to each branch air duct, branch air duct is transversely equidistant arrangement, guarantee horizontal direction air volume consistent, air outlet uses the design of the aperture of gradually changing of big up small, and lower wind pressure increases to offset hot air rising effect, ensure vertical direction temperature uniform, and then through multistage air duct design and air outlet structure optimization, overcome the temperature difference caused by hot air natural rising, realize to radix isatidis tea block and carry out three-dimensional direction's uniform drying.

Description

Technical Field

[0001] This utility model relates to the field of processing technology of Isatis indigotica tea blocks, specifically a tea block drying device. Background Technology

[0002] The antiviral and antibacterial active ingredients in Isatis root (such as glucosinolate, indirubin, polysaccharides, etc.) dissolve in water through long-term decoction. By evaporating most of the water, these ingredients can be highly concentrated, greatly improving the efficacy per unit mass. Furthermore, when fresh Isatis root is made into dried paste blocks, its volume and weight are greatly reduced, and it is not easy for microorganisms to grow, so it can be stored for a long time and is convenient for transportation and dispensing.

[0003] Existing drying methods using dryers suffer from poor hot air flow design in the drying chamber, leading to uneven temperatures at different locations within the drying chamber. This results in inconsistent drying levels for the same batch of Isatis root tea blocks, and even uneven drying and wetting in different parts of the same tea block, affecting quality. Furthermore, the tea blocks are typically placed on wire racks located inside the drying chamber, making loading, unloading, and cleaning inconvenient. Therefore, a tea block drying device is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a tea block drying device to solve at least one technical problem existing in the above-mentioned background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A tea block drying device, comprising:

[0007] The drying chamber and the wire mesh frame are provided. The inner side of the drying chamber is provided with an air duct assembly to ensure efficient heat utilization and uniform distribution. The bottom side of the wire mesh frame is provided with a moving mechanism to assist the wire mesh frame in moving to the outside of the drying chamber.

[0008] The air duct assembly includes a main air duct, two connecting air ducts, multiple branch air ducts, and several air outlets;

[0009] The main air duct is used to transport hot air to the interior of the two connecting air ducts, which are located on both sides of the mesh frame. The two connecting air ducts are also used to transport hot air to the interior of multiple branch air ducts, which are used to blow hot air onto the surface of multiple layers of tea blocks to be dried through several air outlets.

[0010] Preferably, the main air duct is fixedly connected to the inner side of the drying chamber, and the two connecting air ducts are respectively fixedly connected to the two output ends of the main air duct.

[0011] Preferably, the branch duct is fixedly connected to the output end of the connecting duct, and the multiple branch ducts are distributed horizontally at equal intervals.

[0012] Preferably, the air outlet is located on the surface of the branch air duct, and the diameters of the multiple branch air ducts on the surface of one air outlet are arranged in a structure that is larger at the top and smaller at the bottom, and are used to compensate for the temperature difference caused by the rising hot air.

[0013] Preferably, the moving mechanism includes an electric slide rail, an electric slide block, a base plate, a bearing motor, a bracket, pulleys, and a rotating shaft;

[0014] The electric slide rail is disposed on the bottom side of the drying chamber, the electric slide block is axially slidably connected to the inner cavity of the electric slide rail, the base plate is fixedly connected to the top of the electric slide block, the shaft motor is fixedly installed on the bottom side of the shaft motor, the rotating shaft is rotatably connected to the bottom side of the base plate, the bracket is fixedly connected to the outer wall of the rotating shaft, and the pulley is rotatably connected to the inner side of the bracket.

[0015] Preferably, the space frame is disposed on the top of the base plate, the electric slide block and the electric slide rail are electrically connected through a controller, and the electric slide block, after being powered on, is used to drive the space frame on the base plate to move axially.

[0016] Preferably, the output shaft of the bearing motor is fixedly connected to the rotating shaft, and the output shaft of the bearing motor in the energized state is used to drive the rotating shaft to rotate.

[0017] Preferably, the rotating shaft in the clockwise rotation state is used to drive the bracket and pulley into a folded state, and the rotating shaft in the counterclockwise rotation state is used to drive the bracket and pulley into an unfolded state.

[0018] Preferably, the bracket in the unfolded state is used to drive the pulley to contact the ground and assist the base plate to move smoothly.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. By setting up air duct components, the main air duct receives the heat source input and distributes the hot air evenly to the connecting air ducts on both sides. The connecting air ducts extend longitudinally along both sides of the grid frame, delivering the hot air to each branch air duct. The branch air ducts are arranged horizontally at equal intervals, covering the full width of the grid frame to ensure consistent air volume in the horizontal direction. The air outlet adopts a gradually changing aperture design with a larger diameter at the top and a smaller diameter at the bottom. The increased air pressure at the bottom counteracts the rising effect of hot air, ensuring uniform temperature in the vertical direction. Furthermore, through multi-stage air duct design and optimized air outlet structure, the temperature difference caused by the natural rise of hot air is overcome, achieving uniform drying of Isatis indigotica tea blocks in three dimensions.

[0021] 2. By setting up a moving mechanism, the electric slide rail and electric slide block are electrically controlled to slide, realizing the automatic entry and exit of the wire mesh frame inside and outside the drying chamber. After the support and pulleys are unfolded, they contact the ground, providing stable support and rolling function, which facilitates the unloading and cleaning of the wire mesh frame that has been moved to the outside of the drying chamber. Attached Figure Description

[0022] Figure 1 This is a front view structural diagram of the present utility model.

[0023] Figure 2 This is a cross-sectional structural diagram of the present invention.

[0024] Figure 3 This is a schematic diagram of the moving mechanism structure of this utility model.

[0025] Figure 4 This is a schematic diagram of the air duct component structure of this utility model.

[0026] In the diagram: 1. Drying chamber; 2. Wire mesh frame; 3. Air duct assembly; 301. Main air duct; 302. Connecting air duct; 303. Branch air duct; 304. Air outlet; 4. Moving mechanism; 401. Electric slide rail; 402. Electric slide block; 403. Base plate; 404. Bearing motor; 405. Bracket; 406. Pulley; 407. Rotating shaft. Detailed Implementation

[0027] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0028] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figures 1-4 An embodiment of a tea block drying device provided by this utility model:

[0032] A tea block drying device, comprising:

[0033] The drying chamber 1 and the wire mesh frame 2 are provided. The inner side of the drying chamber 1 is provided with an air duct assembly 3, which is used to ensure efficient heat utilization and uniform distribution. The bottom side of the wire mesh frame 2 is provided with a moving mechanism 4, which is used to assist the wire mesh frame 2 to move to the outside of the drying chamber 1.

[0034] The air duct assembly 3 includes a main air duct 301, two connecting air ducts 302, multiple branch air ducts 303 and several air outlets 304;

[0035] The main air duct 301 is used to transport hot air to the interior of two connecting air ducts 302. The two connecting air ducts 302 are located on both sides of the mesh frame 2. The two connecting air ducts 302 are used to transport hot air to the interior of multiple branch air ducts 303. The multiple branch air ducts 303 are used to blow hot air onto the surface of multiple layers of tea blocks to be dried through several air outlets 304.

[0036] The main air duct 301 is fixedly connected to the inside of the drying chamber 1, and the two connecting air ducts 302 are fixedly connected to the two output ends of the main air duct 301 respectively. The above structural design enables the external hot air system to generate hot air and deliver it to the inside of the main air duct 301. The main air duct 301 serves as the hot air distribution center, which evenly distributes the hot air flow to the two connecting air ducts 302.

[0037] Branch ducts 303 are fixedly connected to the output end of connecting duct 302, and multiple branch ducts 303 are distributed horizontally at equal intervals. The above structural design enables multiple branch ducts 303 to be arranged horizontally at equal intervals, covering the full width of the grid frame 2, and ensuring consistent airflow in the horizontal direction.

[0038] The air outlet 304 is located on the surface of the branch air duct 303. The diameter of the multiple branch air ducts 303 on the surface of one air outlet 304 is larger at the top and smaller at the bottom. This is to compensate for the temperature difference caused by the rising hot air. The above structural design makes the air outlet 304 on the branch air duct 303 adopt a diameter design that is larger at the top and smaller at the bottom (the opening at the top is larger and the opening at the bottom is smaller) to compensate for the temperature difference caused by the natural rise of hot air (hot air has a low density and rises easily, so greater air pressure is required below to compensate), thereby ensuring that the temperature distribution of each layer of the grid frame 2 is consistent.

[0039] In one preferred embodiment, the moving mechanism 4 includes an electric slide rail 401, an electric slide block 402, a base plate 403, a bearing motor 404, a bracket 405, a pulley 406, and a rotating shaft 407.

[0040] An electric slide rail 401 is disposed on the bottom side of the drying chamber 1. An electric slide block 402 is axially slidably connected to the inner cavity of the electric slide rail 401. A base plate 403 is fixedly connected to the top of the electric slide block 402. A shaft motor 404 is fixedly installed on the bottom side of the shaft motor 404. A rotating shaft 407 is rotatably connected to the bottom side of the base plate 403. A bracket 405 is fixedly connected to the outer wall of the rotating shaft 407. A pulley 406 is rotatably connected to the inner side of the bracket 405. The above structural design allows for start-up via a controller. The moving mechanism 4, the electric slide block 402 slides axially along the electric slide rail 401, driving the base plate 403 and the wire mesh frame 2 to move to the outside of the drying chamber 1, realizing the automatic delivery of the wire mesh frame 2. After the wire mesh frame 2 is completely moved out, the shaft motor 404 is started, causing the output shaft of the shaft motor 404 in operation to drive the rotating shaft 407 to rotate counterclockwise, driving the bracket 405 and pulley 406 to unfold to contact the ground, forming a moving wheel set, and then moving the wire mesh frame 2 to the outside of the drying chamber 1 through the mechanical structure.

[0041] In one preferred embodiment, the wire mesh frame 2 is disposed on the top of the base plate 403. The electric slide 402 is electrically connected to the electric slide rail 401 through a controller. When powered on, the electric slide 402 is used to drive the wire mesh frame 2 on the base plate 403 to move axially. The above structural design allows the electric slide 402 to slide axially along the electric slide rail 401, driving the base plate 403 and the wire mesh frame 2 to move to the outside of the drying chamber 1, thereby realizing the automatic delivery of the wire mesh frame 2.

[0042] In one preferred embodiment, the output shaft of the bearing motor 404 is fixedly connected to the rotating shaft 407, and the output shaft of the bearing motor 404 in the energized state is used to drive the rotating shaft 407 to rotate. The above structural design enables the output shaft of the bearing motor 404 in the running state to drive the rotating shaft 407 to rotate counterclockwise, thereby causing the bracket 405 and pulley 406 to unfold to contact the ground.

[0043] In one preferred embodiment, the rotating shaft 407 in a clockwise rotation state is used to drive the support 405 and the pulley 406 to a folded state, and the rotating shaft 407 in a counterclockwise rotation state is used to drive the support 405 and the pulley 406 to an unfolded state. The above structural design allows the shaft motor 404 to drive the rotating shaft 407 to rotate clockwise, so that the support 405 and the pulley 406 are folded up and retracted, avoiding interference with subsequent drying operations.

[0044] In one preferred embodiment, the extended bracket 405 is used to drive the pulley 406 to contact the ground and assist the base plate 403 to move smoothly. The above structural design allows the bracket 405 and pulley 406 to extend to contact the ground, forming a moving wheel set.

[0045] The working principle of this utility model is as follows: First, the drying equipment inside the drying chamber 1 is started, and the external hot air system generates hot air, which is then transported to the main air duct 301. The main air duct 301 acts as the hot air distribution center, evenly distributing the hot airflow to two connecting air ducts 302. Since the connecting air ducts 302 are located on both sides of the mesh frame 2, the hot air is then horizontally transported to multiple branch air ducts 303. Because the branch air ducts 303 are horizontally equidistant, it ensures that the hot air is evenly distributed across the width of the mesh frame 2. The air outlets 304 on the branch air ducts 303 are wider at the top and narrower at the bottom. The small diameter design (larger opening at the top and smaller opening at the bottom) compensates for the temperature difference caused by the natural rise of hot air (hot air has a low density and rises easily, requiring greater wind pressure at the bottom to compensate), thereby ensuring a consistent temperature distribution across all layers of the mesh rack 2. Hot air is blown at a uniform wind speed through the air outlet 304 onto the surface of the multiple layers of tea blocks placed on the mesh rack 2, achieving all-round drying of the Isatis root tea blocks. Furthermore, due to the optimized air duct design, the hot air flow field is evenly distributed within the drying chamber 1, avoiding local overheating or undercooling, ensuring that the drying degree of the same batch of tea blocks is consistent, and that different parts of the same tea block are evenly dry and wet.

[0046] After drying, the moving mechanism 4 is activated by the controller. The electric slide 402 slides axially along the electric slide rail 401, driving the base plate 403 and the wire mesh frame 2 to move to the outside of the drying chamber 1, realizing the automatic delivery of the wire mesh frame 2. After the wire mesh frame 2 is completely removed, the shaft motor 404 is activated, causing the output shaft of the shaft motor 404 to drive the rotating shaft 407 to rotate counterclockwise, driving the support 405 and the pulley 406 to unfold to contact the ground, forming a moving wheel set. Then, the wire mesh frame 2 is moved to the outside of the drying chamber 1 through the mechanical structure, which facilitates unloading and cleaning. After cleaning, the wire mesh frame 2 is pushed back onto the base plate 403, and the shaft motor 404 drives the rotating shaft 407 to rotate clockwise, causing the support 405 and the pulley 406 to fold up and avoid interfering with subsequent drying operations.

[0047] The above description is merely an embodiment of this utility model, and common knowledge regarding specific structures and characteristics is not described in detail here. It will be apparent to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A tea block drying device, characterized in that, It includes: The drying chamber (1) and the wire mesh frame (2) are provided with an air duct assembly (3) on the inner side of the drying chamber (1) to ensure efficient heat utilization and uniform distribution. The bottom side of the wire mesh frame (2) is provided with a moving mechanism (4) to assist the wire mesh frame (2) in moving to the outside of the drying chamber (1). The air duct assembly (3) includes a main air duct (301), two connecting air ducts (302), multiple branch air ducts (303) and several air outlets (304); The main air duct (301) is used to transport hot air to the interior of the two connecting air ducts (302), which are located on both sides of the mesh frame (2). The two connecting air ducts (302) are used to transport hot air to the interior of multiple branch air ducts (303), which are used to blow hot air onto the surface of multiple layers of tea blocks to be dried through several air outlets (304).

2. The tea block drying equipment according to claim 1, characterized in that: The main air duct (301) is fixedly connected to the inside of the drying chamber (1), and the two connecting air ducts (302) are respectively fixedly connected to the two output ends of the main air duct (301).

3. The tea block drying equipment according to claim 1, characterized in that: The branch air duct (303) is fixedly connected to the output end of the connecting air duct (302), and the multiple branch air ducts (303) are distributed horizontally at equal intervals.

4. The tea block drying equipment according to claim 1, characterized in that: The air outlet (304) is opened on the surface of the branch air duct (303). The diameter of the multiple branch air ducts (303) on the surface of one air outlet (304) is larger at the top and smaller at the bottom, and is used to compensate for the temperature difference caused by the rising hot air.

5. The tea block drying equipment according to claim 1, characterized in that: The moving mechanism (4) includes an electric slide rail (401), an electric slide block (402), a base plate (403), a shaft motor (404), a bracket (405), a pulley (406), and a rotating shaft (407); The electric slide rail (401) is disposed on the bottom side of the drying chamber (1), the electric slide block (402) is axially slidably connected to the inner cavity of the electric slide rail (401), the base plate (403) is fixedly connected to the top of the electric slide block (402), the shaft motor (404) is fixedly installed on the bottom side of the shaft motor (404), the rotating shaft (407) is rotatably connected to the bottom side of the base plate (403), the bracket (405) is fixedly connected to the outer wall of the rotating shaft (407), and the pulley (406) is rotatably connected to the inner side of the bracket (405).

6. The tea block drying equipment according to claim 5, characterized in that: The grid frame (2) is set on the top of the base plate (403). The electric slide (402) is electrically connected to the electric slide rail (401) through a controller. After being powered on, the electric slide (402) is used to drive the grid frame (2) on the base plate (403) to move axially.

7. The tea block drying equipment according to claim 5, characterized in that: The output shaft of the bearing motor (404) is fixedly connected to the rotating shaft (407), and the output shaft of the bearing motor (404) in the energized state is used to drive the rotating shaft (407) to rotate.

8. The tea block drying equipment according to claim 5, characterized in that: The rotating shaft (407) in the clockwise rotation state is used to drive the bracket (405) and pulley (406) to a folded state, and the rotating shaft (407) in the counterclockwise rotation state is used to drive the bracket (405) and pulley (406) to an unfolded state.

9. A tea block drying device according to claim 5, characterized in that: The bracket (405) in its unfolded state is used to drive the pulley (406) to contact the ground and assist the base plate (403) to move smoothly.

Images