Double-source far infrared ray flow-through tea rolling furnace
By designing a dual-source far-infrared permeable tea grinding furnace, the combined effect of infrared radiation and hot air solves the problems of unevenness and low efficiency of traditional tea drying devices, achieving efficient and uniform dehydration and preservation of aroma and color of tea.
Patent Information
- Application Number
- CN202511487952.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-17
- Publication Date
- 2025-11-21
AI Technical Summary
Traditional tea drying equipment often results in poor drying effects, making it difficult to achieve uniformity and high efficiency.
The tea grinding furnace adopts a dual-source far-infrared permeable flow, combined with a conveying mechanism, a spreading mechanism, a turning mechanism, a hot air mechanism, and an infrared radiation device. Through the synergistic effect of infrared radiation and hot air, it achieves uniform dehydration and efficient drying of tea leaves.
It improves the uniformity and efficiency of tea drying, preserves the color and aroma of tea, and reduces the damage to chlorophyll and tea polyphenols.
Smart Images

Figure CN120991571A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of drying devices, and particularly relates to a double-source far-infrared line through-flow tea rolling furnace. BACKGROUND
[0002] In order to prolong the storage time of tea leaves and prevent oxidation during the transportation and storage process, a necessary process in the production process of tea leaves is tea leaf drying. Tea leaf drying is usually processed by using a tea leaf dryer. The traditional mesh belt tea leaves are evenly laid on the stainless steel mesh belt, hot air passes through the oven and uniformly penetrates the tea leaves on the mesh belt from bottom to top through the air bag, and the moisture is discharged through the top to dehydrate the tea leaves and mainly remove the surface water of the tea leaves.
[0003] However, the existing drying device is prone to poor drying effect, and improvement is needed. SUMMARY
[0004] The purpose of the application is to solve the above technical problems, provide a double-source far-infrared line through-flow tea rolling furnace, which can improve the drying efficiency of tea leaves and improve the drying uniformity.
[0005] The application provides a double-source far-infrared line through-flow tea rolling furnace, which comprises: A rack is provided with a drying box body; A conveying mechanism is connected to the inside and outside of the drying box body, and the conveying mechanism comprises a conveying mesh belt and a guide roller; A spreading mechanism is arranged outside the drying box body and is used for spreading the tea leaves arranged on the conveying mechanism; A turning mechanism is installed in the drying box body and is used for turning the tea leaves arranged on the conveying mechanism; A hot air mechanism is installed and connected with the drying box body and is arranged on the lower side of the conveying mesh belt; An infrared radiation device is installed in the drying box body, and the infrared radiation device comprises a far-infrared radiation tube.
[0006] The drying box body is mounted on the rack, the conveying mechanism is mounted on the rack, the guide rollers are movably mounted on the rack, the conveying mesh belt is wound on the guide rollers, one of the guide rollers is connected with the driving motor as a power source to control the movement of the conveying mesh belt, the area of the conveying mesh belt for receiving the tea leaves to be dried has a certain inclination to lift the tea leaves, and it is more convenient when manual feeding is used, during the conveying process of the tea leaves outside the drying box body, the tea leaves are evenly spread by the spreading mechanism to make the height of the tea leaves within a set range, thereby ensuring the uniformity of the drying of the tea leaves, when the tea leaves are placed in the drying box body, hot air is blown into the drying box body by the hot air mechanism to flow, and the surface of the tea leaves is dried, the infrared radiation device is installed in the drying box body, the infrared wavelength emitted by the far infrared radiation tube is between 4-20um, which can be effectively absorbed by the tea leaves to penetrate the surface layer of the tea leaves and destroy the cell wall inside the tea leaves to remove the combined water in the tea leaves, and the uniformity and efficiency of the dehydration of the tea leaves are further improved by the infrared radiation and the hot air drying.
[0007] A plurality of hot air mechanisms and infrared radiation devices are arranged in the drying box body, the infrared radiation devices are configured with different powers at different positions, the hot air mechanisms have uniform blowing power to maintain the color of the tea leaves, and the infrared radiation devices are used for precise temperature control to improve the aroma of the tea leaves, the hot air mechanisms and the infrared radiation devices work together to meet the process requirements of the tea rolling, the destruction of chlorophyll and tea polyphenols in the tea leaves is reduced by the complementary effect of the infrared radiation and the hot air, and the color retention and aroma improvement are achieved.
[0008] Further, the infrared radiation device comprises: The far infrared radiation tube is mounted in the mounting shell. The panel has light transmission and is mounted on the mounting shell. The drying box body is provided with a mounting rack, and the mounting shell is mounted on the mounting rack.
[0009] Further, the spreading mechanism comprises: The first shaft body is connected with the driving motor. The spreading leaves are connected with the first shaft body through the connecting piece. The mounting seat is movably mounted on the rack, and the first shaft body is movably mounted on the mounting seat.
[0010] Further, the turning mechanism comprises: The second shaft body is connected with the driving motor. The turning leaves are connected with the second shaft body.
[0011] Further, the hot air mechanism comprises: The conveying pipeline is used for conveying hot air. The turning part is provided with a flow divider. The distribution part is conical and is adapted to the conveying mesh belt, and is provided with a distribution plate provided with a plurality of staggered distribution openings; Windows are respectively arranged at the turning part and the distribution part.
[0012] Further, the application further comprises: A fence is installed on the rack and arranged on one side of the drying box body, and is used to limit the tea leaves on the conveying mesh belt; A discharge port is installed on the rack and arranged on the other side of the drying box body; A grid plate is installed on the top of the drying box body and is used to discharge hot air.
[0013] Further, the grid plate comprises: A movable baffle has an opening corresponding to the grid plate, and is provided with a limiting groove; A limiting column is installed on the grid plate and is adapted to the limiting groove; A handle is installed on the movable baffle.
[0014] Further, the specific drying steps comprise: S1, the tea leaves are arranged on the conveying mesh belt of the conveying mechanism, and the tea leaves are moved by the movement of the conveying mesh belt to pass through the spreading mechanism, so that the tea leaves are spread and the pile height is within a set range, and then the tea leaves are conveyed into the drying box body; S2, the hot air mechanism acts on the surface of the tea leaves in the drying box body to dry the surface of the tea leaves, and the infrared radiation device is used to dry the combined water in the tea leaves; S3, the tea leaves are moved in the drying box body and are turned over by the turning mechanism.
[0015] The application has the following beneficial effects: 1. The pile height of the tea leaves is pre-adjusted by the spreading mechanism, the tea leaves are turned over by the turning mechanism, and the hot air mechanism is used to uniformly blow air to ensure the uniformity of the tea leaves drying.
[0016] 2. The carbon mid-wave infrared radiation penetrates the tea body and removes the combined water in the tea leaves, and the hot air is used to dry the surface layer, so that the dehydration speed is accelerated and the drying efficiency is improved.
[0017] 3. Multiple infrared devices can have different powers, and the hot air and the infrared are used to cooperatively control the temperature to improve the precise temperature control.
[0018] 4. The fence prevents the tea leaves from falling, and the movable baffle controls the hot air circulation. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The structure of the drying device of the application is shown in the figure Figure 1 ; Figure 2Structure diagram of the drying device of the present application Figure 2 ; Figure 3 Enlarged view of A of the drying device of the present application Figure 2 ; Figure 4 Enlarged view of B of the drying device of the present application Figure 2 ; Figure 5 Structure diagram of the hot air mechanism of the present application Figure 6 Structure diagram of the infrared radiation device of the present application Figure 7 Enlarged view of C of the drying device of the present application Figure 1 ; In the drawing, 100, rack; 110, drying box body; 111, mounting frame; 120, fence; 130, discharge port; 140, grid plate; 141, limiting column; 150, movable baffle; 151, limiting groove; 152, handle; 200, conveying mechanism; 210, conveying mesh belt; 220, guide roller; 300, spreading mechanism; 310, first shaft body; 320, spreading blade; 330, connecting piece; 340, mounting seat; 400, turning mechanism; 410, second shaft body; 420, turning blade; 500, hot air mechanism; 510, conveying pipeline; 520, turning part; 530, flow dividing plate; 540, distribution part; 550, distribution plate; 560, window; 600, infrared radiation device; 610, far infrared radiation tube; 620, mounting shell; 630, panel. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the present application.
[0021] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually a category and do not limit the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally represents that the front and rear associated objects are in a "or" relationship.
[0022] The application will be described in detail below with reference to the drawings and specific embodiments and application scenarios thereof.
[0023] Embodiment 1 As shown in Figure 1 , Figure 2 , Figure 6 The application provides a double-source far infrared line flow rolling tea stove, which comprises: A rack 100 is provided with a drying box body 110; A conveying mechanism 200 is connected to the inside and outside of the drying box body 110, and the conveying mechanism 200 comprises a conveying mesh belt 210 and a guide roller 220; A spreading mechanism 300 is arranged outside the drying box body 110 and is used for spreading the tea leaves arranged on the conveying mechanism 200; A turning mechanism 400 is installed in the drying box body 110 and is used for turning the tea leaves arranged on the conveying mechanism 200; A hot air mechanism 500 is installed and connected with the drying box body 110 and is arranged on the lower side of the conveying mesh belt 210; An infrared radiation device 600 is installed in the drying box body 110, and the infrared radiation device 600 comprises a far infrared radiation tube 610.
[0024] The drying box body 110 is installed on the rack 100, the conveying mechanism 200 is installed on the rack 100, the guide roller 220 is movably installed on the rack 100, the conveying mesh belt 210 is wound on the guide roller 220, one of the guide rollers 220 is connected with a driving motor as a power source to control the movement of the conveying mesh belt 210, the conveying mesh belt 210 is used for the region where the tea leaves to be dried has a certain inclination to lift the tea leaves, and it is more convenient when manual feeding is used. During the tea leaf conveying process outside the drying box body 110, the tea leaves are evenly spread by the spreading mechanism 300 to make the height of the tea leaves within a set range, so as to ensure the uniformity of the tea leaf drying. When the tea leaves are arranged in the drying box body 110, the hot air mechanism 500 is used to flow hot air in the drying box body 110 to dry and dehydrate the surface of the tea leaves. The infrared radiation device 600 is installed in the drying box body 110, and the infrared wavelength emitted by the far infrared radiation tube 610 is between 4-20um, which can be effectively absorbed by the tea leaves to penetrate the surface layer of the tea leaves, destroy the cell wall inside the tea leaves, and remove the bound water in the tea leaves. The infrared radiation combined with the hot air drying further improves the uniformity and efficiency of the tea leaf dehydration.
[0025] A plurality of groups of hot air mechanisms 500 and infrared radiation devices 600 are arranged in the drying box body 110, the infrared radiation devices 600 are arranged at different positions with different powers, and the hot air mechanisms 500 and the infrared radiation devices 600 are matched to accurately control the temperature, meet the process requirements of tea rolling, and reduce the damage of chlorophyll and tea polyphenols in tea through the complementation of infrared radiation and hot air, and achieve color protection and fragrance enhancement.
[0026] Embodiment 2 As shown in Figure 2 , Figure 4 , Figure 6 The embodiment of the application provides a double-source far infrared transparent flow tea rolling stove, in addition to comprising the above technical features, further, the infrared radiation device 600 comprises: The mounting shell 620 is installed on the mounting rack 111. The panel 630 has light transmittance and is installed on the mounting shell 620. The drying box body 110 is provided with a mounting rack 111, and the mounting shell 620 is installed on the mounting rack 111.
[0027] The mounting shell 620 is used for mounting the far infrared radiation tube 610, at least two far infrared radiation tubes 610 are installed on each mounting shell 620, a plurality of groups of infrared radiation devices 600 are arranged in the drying box body 110, the surface of the tea in the drying box body 110 is fully covered by infrared radiation, the panel 630 has light transmittance, the infrared radiation emitted by the far infrared radiation tube 610 can penetrate the panel 630, and the far infrared radiation tube 610 installed on the mounting shell 620 is protected by the panel 630, so that the overall structural strength and service life of the infrared radiation device 600 are further improved.
[0028] Embodiment 3 As shown in Figure 1 , Figure 7 The embodiment of the application provides a double-source far infrared transparent flow tea rolling stove, in addition to comprising the above technical features, further, the spreading mechanism 300 comprises: The first shaft body 310 is connected with a driving motor. The spreading leaf 320 is provided with a connecting piece 330 between the spreading leaf 320 and the first shaft body 310. The mounting seat 340 is movably installed on the rack 100, and the first shaft body 310 is movably installed on the mounting seat 340.
[0029] The first shaft body 310 is mounted and connected with the corresponding driving motor, the first shaft body 310 and the driving motor are mounted on the mounting seat 340, and the paving leaf 320 is rotated around the first shaft body 310 through the rotation of the first shaft body 310, so that the height of the tea pile placed on the conveying mesh belt 210 is adjusted, and the uniformity of drying is further improved. The mounting seat 340 is movably connected with the rack 100, and the height of the paving mechanism 300 can be adjusted. It is used for adjusting the structure of the screw, the nut sleeve and the like, and the mounting seat 340 on both sides of the conveying mesh belt 210 is simultaneously moved through the gear, the transmission rod and the like, so as to further ensure the structural stability of the paving mechanism 300 during adjustment and the uniformity of the height of the tea pile. The edge of the paving leaf 320 has a tooth part, which can stably pave the tea leaves.
[0030] Embodiment 4: As shown in Figure 2 , Figure 4 , the embodiment of the application provides a double-source far infrared line transparent flow tea rolling furnace. In addition to the above technical features, further, the turning mechanism 400 comprises: A second shaft body 410 is connected with a driving motor; A turning leaf 420 is mounted and connected with the second shaft body 410.
[0031] The second shaft body 410 is driven to rotate by the corresponding driving motor, and the turning leaf 420 is driven to rotate, so that the tea leaves placed on the conveying mesh belt 210 are turned, and the uniformity of the tea leaves subjected to hot air drying and infrared radiation dehydration is further improved.
[0032] Embodiment 5: As shown in Figure 1 , Figure 5 , the embodiment of the application provides a double-source far infrared line transparent flow tea rolling furnace. In addition to the above technical features, further, the hot air mechanism 500 comprises: A conveying pipeline 510 is used for conveying hot air; A turning part 520 is provided with a shunt plate 530; A distribution part 540 is tapered and adapted to the conveying mesh belt 210, and the distribution part 540 is provided with a distribution plate 550, and the distribution plate 550 is provided with a plurality of staggered distributions; Windows 560 are respectively arranged in the turning part 520 and the distribution part 540.
[0033] The conveying pipe 510 is connected with a hot air source for conveying hot air. When the hot air passes through the turning part 520, the hot air is divided by the flow dividing plate 530, so as to improve the flow stability of the hot air in the turning part 520 and reduce turbulence. When the hot air passes through the distribution part 540, the hot air is uniformly separated by the distribution plate 550, so as to further improve the uniform effect of the hot air on the conveying mesh belt 210 and improve the drying uniformity. The distribution part 540 is in a conical shape, and a plurality of distribution parts 540 are arranged below the conveying mesh belt 210 corresponding to the drying box body 110. The conveying pipe 510, the turning part 520 and the distribution part 540 are sequentially connected as a group, and the drying box body 110 is provided with at least two groups. The window 560 can be closed in a normal state, and can be opened when it is necessary to check or clean the hot air mechanism 500.
[0034] Embodiment 6: As shown in Figure 2 , Figure 3 The embodiment of the present application provides a double-source far infrared line flow tea rolling stove. In addition to the above technical features, further comprising: The fence 120 is installed on the rack 100 and arranged on one side of the drying box body 110. The fence 120 is used to limit the tea leaves on the conveying mesh belt 210. The discharge port 130 is installed on the rack 100 and arranged on the other side of the drying box body 110. The grid plate 140 is installed on the top of the drying box body 110 and used for hot air exhaust.
[0035] The fence 120 is installed on the rack 100 and surrounds the conveying mesh belt 210. When a large amount of tea leaves are loaded on the conveying mesh belt 210, the fence 120 blocks the tea leaves from separating from the conveying mesh belt 210. After the tea leaves are dried, they are conveyed to the discharge port 130 through the conveying mesh belt 210 and then fall from the conveying belt through the discharge port 130. The grid plate 140 is installed on the upper side of the drying box body 110. When the conveying pipe 510 simultaneously conveys hot air for drying, the hot air is exhausted out of the drying box body 110 through the grid plate 140.
[0036] Further, the grid plate 140 comprises: The movable baffle 150 has an opening corresponding to the grid plate 140. The movable baffle 150 is provided with a limiting groove 151. The limiting column 141 is installed on the grid plate 140 and matched with the limiting groove 151. The handle 152 is installed on the movable baffle 150.
[0037] The movable baffle 150 is arranged on the grid plate 140, the limiting column 141 is threadedly connected or welded with the grid plate 140, the limiting column 141 is matched with the limiting groove 151, the movement of the movable baffle 150 is limited by the limiting groove 151 and the limiting column 141, the handle 152 facilitates the movement of the movable baffle 150, when the opening of the movable baffle 150 corresponds to the opening of the grid plate 140, the movable baffle 150 is in an open state, and hot air flows through; when the opening of the movable baffle 150 is staggered with the opening of the grid plate 140, the movable baffle 150 is in a closed state, and the flow of hot air is blocked; when the movable baffle 150 is not in operation, the movable baffle 150 is in a closed state with the grid plate 140, and dust and impurities are prevented from entering the drying box body 110.
[0038] By controlling the opening and closing of the movable baffle 150, the flow of hot air in the drying box body 110 is controlled. In the present application, two groups of hot air mechanisms 500 are provided, and the movable baffles 150 are provided with a plurality of movable baffles 150. When the two groups of hot air mechanisms 500 are connected to the hot air source, the movable baffles 150 on the drying box body 110 are all opened, the hot air enters the drying box body 110 and is directly discharged through the grid plate 140, which can improve the drying efficiency of the drying box body 110, ensure the uniformity of the hot air drying, and further improve the color retention effect of tea leaves. When one group of hot air mechanisms 500 is working and the other group is closed, the movable baffles 150 on the drying box body 110 directly above the corresponding working hot air mechanism 500 are closed, and the movable baffles 150 on the drying box body 110 directly above the corresponding closed hot air mechanism 500 are opened, so that the hot air flows horizontally in the drying box body 110 and is then discharged, which can improve the utilization rate of heat energy. When the two hot air mechanisms 500 are connected to the same hot air source at the same time, one corresponds to the input end of the hot air source, and the other corresponds to the output end of the hot air source. By connecting the moisture drying device, the movable baffles 150 are controlled to be closed, so that the hot air can circulate between the hot air source and the drying box body 110, further improving the utilization rate of heat energy, and cooperating with the infrared radiation device 600 to ensure higher temperature control precision.
[0039] Embodiment 7: The embodiment of the present application provides a double-source far infrared transparent flow tea rolling stove, in addition to the above technical features, further, the specific steps include: S1, the tea leaves are placed on the conveying net belt 210 of the conveying mechanism 200, and the tea leaves are moved by the conveying net belt 210 to pass through the spreading mechanism 300, so that the tea leaves are spread and the height of the tea leaves is in a set range, and then the tea leaves are conveyed into the drying box body 110; S2, the hot air mechanism 500 acts on the surface of the tea leaves in the drying box body 110 to dry the surface of the tea leaves, and the infrared radiation device 600 is matched to dry the water combined in the tea leaves; S3, the tea is moved in the drying box 110 and is turned over by the turning over mechanism 400.
[0040] The tea is loaded on the conveying net belt 210 outside the drying box 110, is conveyed by the conveying net belt 210, is evenly spread by the spreading mechanism 300, and is dried by hot air and infrared radiation in the drying box 110, and is turned over by the turning over mechanism 400, so that the uniformity and efficiency of the tea drying are ensured.
[0041] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprising a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element. In addition, it should be pointed out that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples.
[0042] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above-described specific embodiments, and the above-described specific embodiments are only illustrative and not limiting, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the scope protected by the claims, which all belong to the protection of the present application.
Claims
1. A double source far infrared ray penetrating flow tea roaster, characterized in that, The utility model relates to a tea drying machine, including: Rack (100) is provided with drying box body (110), Conveying mechanism (200) is connected to the inside and outside of drying box body (110), the conveying mechanism (200) includes conveying mesh belt (210), guide roller (220), Spreading mechanism (300) is placed in the drying box body (110) outside, and is used for spreading tea leaf on conveying mechanism (200) is placed, Turning mechanism (400) is installed in drying box body (110), and is used for turning tea leaf on conveying mechanism (200), Hot air mechanism (500) is installed with drying box body (110) and is placed in the lower side of conveying mesh belt (210), Infrared radiation device (600) is installed in drying box body (110), and the infrared radiation device (600) includes far infrared radiation tube (610).
2. The dual source far infrared ray penetrating rolling tea stove according to claim 1, characterized in that, The utility model relates to a tea drying machine, including: The mounting shell (620) is installed in the far infrared radiation tube (610), Panel (630) has the light transmission, and is installed on mounting shell (620), Wherein, the drying box body (110) is provided with mounting bracket (111), and the mounting shell (620) is installed on mounting bracket (111).
3. The dual source far infrared ray penetrating rolling tea stove according to claim 1, characterized in that, The utility model relates to a tea drying machine, including: First shaft body (310) is connected with drive motor, Spreading leaf (320) is provided with connecting piece (330) between spreading leaf (320) and first shaft body (310), Mounting seat (340) is movably installed on rack (100), and first shaft body (310) is movably installed on mounting seat (340).
4. The dual source far infrared ray penetrating rolling tea stove according to claim 1, characterized in that, The utility model relates to a tea drying machine, including: Second shaft body (410) is connected with drive motor, Turning leaf (420) is installed with second shaft body (410).
5. The dual source far infrared ray penetrating rolling tea stove according to claim 1, characterized in that, The utility model relates to a tea drying machine, including: Conveying pipeline (510) is used for conveying hot air, Bend part (520) is provided with shunt plate (530), Distribution part (540) is conical and is adapted to conveying mesh belt (210), distribution part (540) is provided with distribution plate (550), distribution plate (550) is provided with several staggered distribution, Window (560) is placed in bend part (520), distribution part (540) respectively.
6. The dual source far infrared ray penetrating rolling tea stove according to claim 1, characterized in that, Further including: Fence (120) is installed on rack (100) and is placed on one side of drying box body (110), and the fence (120) is used to limit tea leaf on conveying mesh belt (210), Discharge port (130) is installed on rack (100) and is placed on the other side of drying box body (110), Lattice plate (140) is installed on the top of drying box body (110) and is used for hot air exhaust.
7. The dual source far infrared ray penetrating rolling tea stove according to claim 6, characterized in that, The utility model relates to a tea drying machine, including: Movable baffle (150) has the opening corresponding with lattice plate (140), and movable baffle (150) is provided with limiting groove (151), Limiting column (141) is installed on lattice plate (140) and is adapted to limiting groove (151), Handle (152) is installed on movable baffle (150).
8. The dual source far infrared ray penetrating rolling tea stove according to claim 1, characterized in that, The specific drying steps include: S1, the tea leaves are placed on the conveying net belt (210) of the conveying mechanism (200), and the tea leaves are moved through the conveying net belt (210) to drive the tea leaves to move through the spreading mechanism (300) to spread the tea leaves and make the height of the tea leaves within a set range, and then the tea leaves are conveyed into the drying box body (110); S2, the tea leaves in the drying box body (110) are subjected to the action of hot air on the surface of the tea leaves by the hot air mechanism (500), and the water combined in the tea leaves is dried by cooperating with the infrared radiation device (600); S3, the tea leaves are turned over by the turning mechanism (400) when moving in the drying box body (110).