Layered dryer for tea processing

Abstract

The invention discloses a layered dryer for tea processing, and relates to the technical field of tea processing, the layered dryer comprises a mounting frame and a conveying assembly; an air inlet assembly and a stirring assembly are mounted in the mounting frame, a rotating assembly is mounted on the front side of the mounting frame, an air blowing assembly and a feeding assembly which are correspondingly matched are mounted on the left side of the interior of the mounting frame, and a sealing assembly is mounted on the right side of the mounting frame; the conveying assembly comprises rotating shafts, first conveying mesh belts and a first motor, the multiple first conveying mesh belts are arranged in the mounting frame, two corresponding rotating shafts are arranged in each first conveying mesh belt, and all the rotating shafts are rotationally connected to the interior of the mounting frame and can stir tea leaves during drying so that the tea leaves can be evenly dried; and meanwhile, undried tea leaves can be automatically circulated until the tea leaves are completely dried, manual frying is not needed, and the drying efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of tea processing, in particular to a layered dryer for tea processing. Background Art

[0002] Drying equipment refers to a combination of a series of mechanical equipment that uses certain technical means to dry the moisture or other liquids on the surface of an object. The current popular drying technologies are mainly ultraviolet drying, infrared drying, electromagnetic drying and hot air drying. They have their own characteristics and are widely used in drying various mechanical equipment and foods. In the production and processing of tea, the next step of the cleaning process is drying. In order to ensure the drying quantity, a layered dryer is generally used;

[0003] In the existing layered dryer for tea processing, the tea leaves are stationary during use, so the bottom layer of tea leaves are in contact with the heating plate for too long, while the top layer is in contact with the heating plate for too short a time, resulting in uneven drying of the tea leaves and uneven humidity, which affects the quality of the tea leaves. Meanwhile, during the drying process, the tea leaves are transported through a conveying channel. If the tea leaves are not dried after completing a drying cycle, they need to be manually re-injected and then dried a second time, which is rather cumbersome. Therefore, the present application proposes a layered dryer for tea processing. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a layered dryer for tea processing, which can move the tea leaves during drying so that they are dried evenly, and can automatically circulate the undried tea leaves until they are completely dried without the need for manual stirring, thereby improving the drying efficiency and effectively solving the problems in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: a layered dryer for tea processing, comprising a mounting frame and a conveying assembly;

[0006] Installation frame: an air intake assembly and a toggle assembly are installed inside, a rotating assembly is installed on the front side of the installation frame, a matching blowing assembly and a feeding assembly are installed on the left side inside the installation frame, and a sealing assembly is installed on the right side of the installation frame;

[0007] Conveying assembly: comprising a rotating shaft, a first conveying mesh belt and a first motor. A plurality of first conveying mesh belts are arranged inside the installation frame. Two corresponding rotating shafts are arranged inside the first conveying mesh belt. All the rotating shafts are rotatably connected inside the installation frame. Evenly distributed first motors are installed on the rear side of the installation frame. The output shaft of the first motor is fixed to the rear end of the rotating shaft on the right side. The input end of the first motor is electrically connected to the output end of an external control switch group. The tea leaves to be dried are conveyed by setting the conveying assembly. The first conveying mesh belt can be freely configured according to actual needs during the setting process.

[0008] Furthermore, the air intake assembly includes an air intake barrel, an air outlet frame, a connecting barrel and an air injection barrel. The interior of the mounting frame is provided with evenly distributed fixing holes. The interior of the first conveyor mesh belt is provided with four corresponding air intake barrels. The two ends of the air intake barrels are respectively fixed inside the two corresponding fixing holes. The rear ends of all the air intake barrels are connected through evenly distributed connecting barrels. All the connecting barrels are communicated with the inner cavities of all the air intake barrels. The upper ends of all the connecting barrels are fixed with air injection barrels. All the connecting barrels are communicated with the inner cavities of the air injection barrels. A strip air outlet is provided at the upper end of the circumferential surface of the air intake barrel. The air outlet frame is fixed inside the strip air outlet. Hot air is injected into the interior of the mounting frame by setting the air intake assembly.

[0009] Furthermore, the toggle assembly includes a toggle rod, a toggle frame, a sprocket and a chain. A toggle rod is arranged above the first conveyor mesh belt, and all the toggle rods are rotatably connected to the inside of the installation frame. A toggle frame that is evenly distributed and used to toggle the material on the first conveyor mesh belt is fixed on the circumferential surface of the toggle rod. A sprocket is fixed at the front end of the toggle rod. The four sprockets are connected by four chains. The tea leaves to be dried are toggled by setting the toggle assembly.

[0010] Furthermore, the rotating assembly includes a mounting frame and a second motor, the mounting frame is fixed on the front side of the mounting frame, the second motor is installed inside the mounting frame, the output shaft of the second motor is fixed to the front end of the upper sprocket, the input end of the second motor is electrically connected to the output end of the external control switch group, and the upper sprocket is driven to rotate by setting the rotating assembly.

[0011] Furthermore, the blowing assembly includes an air pump, an air outlet pipe, an air outlet box and an air outlet strip. The air pump is installed on the rear side of the mounting frame, the air outlet pipe is fixed inside the air outlet of the air pump, the air outlet box is fixed at the left end of the upper inner side of the mounting frame, the front end of the air outlet pipe is fixed inside the air inlet arranged on the rear side of the air outlet box, and the right side of the air outlet box is provided with evenly distributed air outlet strips. The air outlet box is located above the first conveyor mesh belt on the upper side, and the input end of the air pump is electrically connected to the output end of the external control switch group. By setting the blowing assembly, the tea leaves on the loading plate are blown to above the first conveyor mesh belt on the upper side.

[0012] Furthermore, the feeding assembly includes a limit plate, a baffle, a third motor, a feeding rod, a second conveyor mesh belt and a feeding plate. The limit plate and the baffle are fixed to the left side of the interior of the mounting frame. Two corresponding feeding rods are arranged between the limit plate and the baffle. The surfaces of the two feeding rods are sleeved with the second conveyor mesh belt. The surface of the second conveyor mesh belt is fixed with evenly distributed feeding plates. The air outlet box is located above the inside of the second conveyor mesh belt. The input end of the third motor is electrically connected to the output end of the external control switch group. The undried tea leaves are driven upward by setting the feeding assembly.

[0013] Furthermore, the sealing assembly includes a mounting seat, an electric telescopic rod and a sealing plate. An opening is provided at the lower end of the right side of the mounting frame, and a sealing plate is provided at the opening. A mounting seat is fixed to the right side of the mounting frame, and an electric telescopic rod is installed on the lower side of the mounting seat. The telescopic arm of the electric telescopic rod is fixed on the upper side of the sealing plate. The input end of the electric telescopic rod is electrically connected to the output end of an external control switch group. The opening provided at the lower end of the right side of the mounting frame is sealed by providing a sealing assembly.

[0014] Furthermore, a material discharge plate is fixed to the left end of the upper inner side of the installation frame, and an exhaust grille is fixed to the right end of the upper inner side of the installation frame, and tea leaves are transported by setting the material discharge plate.

[0015] Furthermore, a slanting downward feeding plate is fixed to the right end of the lower side of the installation frame, and the slanting downward feeding plate is fitted with the left side of the sealing plate. The dried tea leaves are transported by setting the slanting downward feeding plate.

[0016] Furthermore, an observation port is provided on the front side of the installation frame, and a transparent plate is fixed inside the observation port. The transparent plate enables the user to observe the situation inside the installation frame very conveniently.

[0017] Compared with the prior art, the invention has the following beneficial effects: the layered dryer for tea processing has the following advantages:

[0018] 1. The tea leaves to be dried are transported in an orderly manner by setting evenly distributed conveying components. During the conveying process, hot air is injected into the interior of all the connecting barrels through the air injection barrel, and then injected into the interior of all the air inlet barrels through the evenly distributed connecting barrels, and then sprayed to the conveyed tea leaves through the evenly distributed air outlet frames to effectively dry them;

[0019] 2. By setting a rotating assembly, the second motor can be started to rotate the upper sprocket when drying the tea leaves, and the rotation of the upper sprocket drives all the sprockets to rotate, and the rotation of all the sprockets drives all the toggle rods to rotate, and the rotation of all the toggle rods drives all the toggle frames to rotate to stir the transported tea leaves, so that the tea leaves can be evenly heated, thereby improving the drying efficiency;

[0020] 3. By setting up the feeding component, during the drying process, the first motor on the lower side can be controlled to rotate so that the first conveyor mesh belt on the lower side rotates to the left. During its rotation, the tea leaves can be transported to the top of the corresponding feeding plate, and then the third motor is started to rotate the feeding rod to drive the second conveyor mesh belt to rotate and drive all the feeding plates to move upward. During its movement, the air pump is started to inject compressed air into the interior of the inlet and outlet air box, and then the tea leaves above the upper feeding plate are sprayed through the evenly distributed air outlet strips to the top of the first conveyor mesh belt on the upper side. Then all the first conveyor mesh belts are re-controlled to rotate to continue drying the tea leaves. There is no need for manual re-loading, which can further improve the drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the front structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the conveying assembly of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the toggle assembly of the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of the blowing assembly of the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of the feeding assembly of the present invention;

[0026] Figure 6 It is a front sectional view of the present invention.

[0027] In the figure: 1 mounting frame, 2 conveying assembly, 21 rotating shaft, 22 first conveying mesh belt, 23 first motor, 3 air intake assembly, 31 air intake barrel, 32 air outlet frame, 33 connecting barrel, 34 air injection barrel, 4 toggle assembly, 41 toggle rod, 42 toggle frame, 43 sprocket, 44 chain, 5 rotating assembly, 51 mounting frame, 52 second motor, 6 blowing assembly, 61 air pump, 62 air outlet pipe, 63 air outlet box, 64 air outlet strip mouth, 7 feeding assembly, 71 limit plate, 72 baffle, 73 third motor, 74 feeding rod, 75 second conveying mesh belt, 76 feeding plate, 8 sealing assembly, 81 mounting seat, 82 electric telescopic rod, 83 sealing plate, 9 unloading plate, 10 exhaust grille, 11 oblique unloading plate, 12 transparent plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-6 ,This embodiment provides a technical solution: a layered dryer for tea processing, comprising a mounting frame 1 and a conveying assembly 2;

[0030] Installation frame 1: An air intake assembly 3 and a toggle assembly 4 are installed inside, a rotating assembly 5 is installed on the front side of the installation frame 1, a matching blowing assembly 6 and a feeding assembly 7 are installed on the left side of the installation frame 1, and a sealing assembly 8 is installed on the right side of the installation frame 1. The air intake assembly 3 includes an air intake barrel 31, an air outlet frame 32, a connecting barrel 33 and an air injection barrel 34. Evenly distributed fixing holes are opened inside the installation frame 1, and four corresponding air intake barrels 31 are arranged inside the first conveyor mesh belt 22. The two ends of the air intake barrel 31 are respectively fixed inside the two corresponding fixing holes, and the rear ends of all the air intake barrels 31 are connected through evenly distributed connecting barrels 33. All the connecting barrels 33 are connected to the inner cavities of all the air intake barrels 31, and the upper ends of all the connecting barrels 33 are fixed. There is an air injection barrel 34, all the connecting barrels 33 are connected to the inner cavity of the air injection barrel 34, a strip air outlet is opened at the upper end of the circumferential surface of the air inlet barrel 31, an air outlet frame 32 is fixed inside the strip air outlet, the toggle assembly 4 includes a toggle rod 41, a toggle frame 42, a sprocket 43 and a chain 44, a toggle rod 41 is arranged above the first conveyor mesh belt 22, all the toggle rods 41 are rotatably connected to the inside of the installation frame 1, a toggle frame 42 evenly distributed and used to toggle the material on the first conveyor mesh belt 22 is fixed on the circumferential surface of the toggle rod 41, a sprocket 43 is fixed at the front end of the toggle rod 41, and the four sprockets 43 are connected by four chains 44, the rotating assembly 5 includes a mounting frame 51 and a second motor 52, a mounting frame 51 is fixed on the front side of the mounting frame 1, and the mounting frame 51 is fixed to the front side of the mounting frame 1. A second motor 52 is installed inside the mounting frame 51, and the output shaft of the second motor 52 is fixed to the front end of the sprocket 43 on the upper side, and the input end of the second motor 52 is electrically connected to the output end of the external control switch group. The blowing assembly 6 includes an air pump 61, an air outlet pipe 62, an air outlet box 63 and an air outlet strip 64. The air pump 61 is installed on the rear side of the mounting frame 1, and the air outlet pipe 62 is fixed inside the air outlet of the air pump 61. The air outlet box 63 is fixed to the left end of the upper side of the mounting frame 1. The front end of the air outlet pipe 62 is fixed to the inside of the air inlet arranged on the rear side of the air outlet box 63. The right side of the air outlet box 63 is provided with evenly distributed air outlet strips 64. The air outlet box 63 is located above the first conveyor mesh belt 22 on the upper side. The input end of the air pump 61 is electrically connected to the external control switch group. At the output end, the feeding assembly 7 includes a limit plate 71, a baffle 72, a third motor 73, a feeding rod 74, a second conveyor mesh belt 75 and a feeding plate 76. The limit plate 71 and the baffle 72 are fixed on the left side of the inside of the installation frame 1. Two corresponding feeding rods 74 are arranged between the limit plate 71 and the baffle 72. The surfaces of the two feeding rods 74 are sleeved with the second conveyor mesh belt 75. The surface of the second conveyor mesh belt 75 is fixed with evenly distributed feeding plates 76. The air outlet box 63 is located above the inside of the second conveyor mesh belt 75. The input end of the third motor 73 is electrically connected to the output end of the external control switch group. The sealing assembly 8 includes a mounting seat 81, an electric telescopic rod 82 and a sealing plate 83. The lower end of the right side of the installation frame 1 is provided with an opening, and a sealing plate 83 is provided at the opening.A mounting seat 81 is fixed to the right side of the mounting frame 1, and an electric telescopic rod 82 is installed on the lower side of the mounting seat 81. The telescopic arm of the electric telescopic rod 82 is fixed to the upper side of the sealing plate 83, and the input end of the electric telescopic rod 82 is electrically connected to the output end of the external control switch group. The opening opened at the lower end of the right side of the mounting frame 1 is sealed by setting a sealing component 8, and the undried tea leaves are driven to move upward by setting a feeding component 7, and the tea leaves on the feeding plate 76 are blown to the top of the first conveyor mesh belt 22 on the upper side by setting a blowing component 6. The upper sprocket 43 is driven to rotate by setting a rotating component 5, and the tea leaves to be dried are toggled by setting a toggle component 4, and hot air is injected into the interior of the mounting frame 1 by setting an air intake component 3;

[0031] Conveying component 2: includes a rotating shaft 21, a first conveying mesh belt 22 and a first motor 23. A plurality of first conveying mesh belts 22 are arranged inside the mounting frame 1. Two corresponding rotating shafts 21 are arranged inside the first conveying mesh belt 22. All the rotating shafts 21 are rotatably connected inside the mounting frame 1. The rear side of the mounting frame 1 is installed with evenly distributed first motors 23. The output shaft of the first motor 23 is fixed to the rear end of the rotating shaft 21 on the right side. The input end of the first motor 23 is electrically connected to the output end of the external control switch group. The tea leaves to be dried are conveyed by setting the conveying component 2.

[0032] Wherein: a blanking plate 9 is fixed to the left end of the upper inner side of the installation frame 1, and an exhaust grille 10 is fixed to the right end of the upper inner side of the installation frame 1, and tea leaves are transported by setting the blanking plate 9.

[0033] Wherein: an inclined downward feeding plate 11 is fixed to the right end of the lower side of the installation frame 1, and the inclined downward feeding plate 11 is in contact with the left side of the sealing plate 83, and the dried tea leaves are transported by setting the inclined downward feeding plate 11.

[0034] Wherein: an observation port is opened on the front side of the installation frame 1 , and a transparent plate 12 is fixed inside the observation port. The transparent plate 12 enables the user to observe the situation inside the installation frame 1 very conveniently.

[0035] The working principle of a layered dryer for tea processing provided by the present invention is as follows: when in use, the tea leaves to be dried can be placed above the first conveyor mesh belt 22 on the upper side, and then the four first motors 23 are controlled to work so that the four rotating shafts 21 on the left side rotate, and the rotation of the four rotating shafts 21 drives the four first conveyor mesh belts 22 to rotate, and the tea leaves can be transported in an orderly manner during the rotation, and in the process of transporting the tea leaves, the hot air is injected into the interior of all the connecting barrels 33 through the air injection barrel 34, and then injected into the interior of all the air inlet barrels 31 through the evenly distributed connecting barrels 33, and then sprayed to the transported tea leaves through the evenly distributed air outlet frames 32 to effectively dry the tea leaves, and when drying the tea leaves, the second motor 52 can be started to rotate the upper sprocket 43, and the rotation of the upper sprocket 43 drives all the sprockets 43 to rotate, and the rotation of all the sprockets 43 drives all the toggle rods 41 to rotate, and the rotation of all the toggle rods 41 drives all the toggle frames 42 to rotate to stir the transported tea leaves, so that the tea leaves can be evenly heated, thereby improving the drying efficiency, and in the drying process. During the process, the first motor 23 on the lower side can be controlled to rotate so that the first conveyor mesh belt 22 on the lower side rotates to the left. During its rotation, the tea leaves can be transported to the top of the corresponding loading plate 76, and then the third motor 73 is started to rotate the loading rod 74 to drive the second conveyor mesh belt 75 to rotate and drive all the loading plates 76 to move upward. During its movement, the air pump 61 is started to inject compressed air into the interior of the air inlet and outlet box 63, and then the air is sprayed onto the tea leaves above the loading plate 76 through the evenly distributed air outlet strip ports 64, and sprayed to the top of the first conveyor mesh belt 22 on the upper side. , and then all the first conveyor mesh belts 22 are controlled to rotate again to continue drying the tea leaves, without the need for manual reloading. In this case, the drying efficiency can be further improved. After the tea leaves are dried, the electric telescopic rod 82 can be controlled to contract so that the sealing plate 83 moves upward to open the opening opened at the lower right end of the installation frame 1, and the first motor 23 on the lower side is controlled to rotate forward so that the first conveyor mesh belt 22 rotates rightward. During its rightward rotation, the dried tea leaves can be transported to the inside of the oblique downward feeding plate 11, and then sent out through the oblique downward feeding plate 11.

[0036] It is worth noting that the external control switch group disclosed in the above embodiments is provided with buttons corresponding to the first motor 23, the second motor 52, the third motor 73, the air pump 61 and the electric telescopic rod 82. The first motor 23, the second motor 52 and the third motor 73 can use 1LE0003 three-phase asynchronous motors, the air pump 61 can use a 12v small air pump, and the electric telescopic rod 82 can use a TGC-A high-thrust electric telescopic rod.

[0037] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A layered dryer for tea processing, characterized in that: It comprises a mounting frame (1) and a conveying assembly (2); The installation frame (1) is internally installed with an air intake assembly (3) and a toggle assembly (4); the front side of the installation frame (1) is installed with a rotating assembly (5); the left side of the interior of the installation frame (1) is installed with a matching blowing assembly (6) and a feeding assembly (7); and the right side of the installation frame (1) is installed with a sealing assembly (8); The conveying assembly (2) comprises a rotating shaft (21), a first conveying mesh belt (22) and a first motor (23); a plurality of first conveying mesh belts (22) are arranged inside the installation frame (1); two corresponding rotating shafts (21) are arranged inside the first conveying mesh belt (22); all the rotating shafts (21) are rotatably connected inside the installation frame (1); evenly distributed first motors (23) are installed on the rear side of the installation frame (1); the output shaft of the first motor (23) is fixed to the rear end of the rotating shaft (21) on the right side; the input end of the first motor (23) is electrically connected to the output end of an external control switch group.

2. The layered dryer for tea processing according to claim 1, characterized in that: The air intake assembly (3) comprises an air intake barrel (31), an air outlet frame (32), a connecting barrel (33) and an air injection barrel (34); the interior of the mounting frame (1) is provided with evenly distributed fixing holes; the interior of the first conveyor mesh belt (22) is provided with four corresponding air intake barrels (31); the two ends of the air intake barrel (31) are respectively fixed inside two corresponding fixing holes; the rear ends of all the air intake barrels (31) are connected through evenly distributed connecting barrels (33); all the connecting barrels (33) are in communication with the inner cavities of all the air intake barrels (31); the upper ends of all the connecting barrels (33) are fixed with air injection barrels (34); all the connecting barrels (33) are in communication with the inner cavities of the air injection barrels (34); the upper ends of the circumferential surfaces of the air intake barrels (31) are provided with strip-shaped air outlets; the interior of the strip-shaped air outlets is fixed with air outlet frames (32).

3. The layered dryer for tea processing according to claim 1, characterized in that: The toggle assembly (4) comprises a toggle rod (41), a toggle frame (42), a sprocket wheel (43) and a chain (44); a toggle rod (41) is arranged above the first conveyor mesh belt (22); all the toggle rods (41) are rotatably connected to the inside of the installation frame (1); toggle frames (42) evenly distributed and used for toggling materials on the first conveyor mesh belt (22) are fixed on the circumferential surface of the toggle rod (41); a sprocket wheel (43) is fixed at the front end of the toggle rod (41); and four sprocket wheels (43) are connected via four chains (44).

4. The layered dryer for tea processing according to claim 3, characterized in that: The rotating assembly (5) comprises a mounting frame (51) and a second motor (52); the mounting frame (51) is fixed to the front side of the mounting frame (1); the second motor (52) is installed inside the mounting frame (51); the output shaft of the second motor (52) is fixed to the front end of the upper sprocket (43); and the input end of the second motor (52) is electrically connected to the output end of an external control switch group.

5. The layered dryer for tea processing according to claim 1, characterized in that: The blowing assembly (6) comprises an air pump (61), an air outlet pipe (62), an air outlet box (63) and an air outlet strip (64); the air pump (61) is installed on the rear side of the installation frame (1); the air outlet pipe (62) is fixed inside the air outlet of the air pump (61); the air outlet box (63) is fixed at the left end of the upper side of the installation frame (1); the front end of the air outlet pipe (62) is fixed inside the air inlet arranged on the rear side of the air outlet box (63); the right side of the air outlet box (63) is provided with evenly distributed air outlet strips (64); the air outlet box (63) is located above the first conveyor mesh belt (22) on the upper side; the input end of the air pump (61) is electrically connected to the output end of an external control switch group.

6. The layered dryer for tea processing according to claim 5, characterized in that: The feeding assembly (7) comprises a limit plate (71), a baffle (72), a third motor (73), a feeding rod (74), a second conveyor mesh belt (75) and a feeding plate (76); the limit plate (71) and the baffle (72) are fixed on the left side inside the installation frame (1); two corresponding feeding rods (74) are arranged between the limit plate (71) and the baffle (72); the surfaces of the two feeding rods (74) are sleeved with the second conveyor mesh belt (75); the surface of the second conveyor mesh belt (75) is fixed with evenly distributed feeding plates (76); the air outlet box (63) is located above the inside of the second conveyor mesh belt (75); the input end of the third motor (73) is electrically connected to the output end of the external control switch group.

7. The layered dryer for tea processing according to claim 1, characterized in that: The sealing assembly (8) comprises a mounting seat (81), an electric telescopic rod (82) and a sealing plate (83); an opening is provided at the lower end of the right side of the mounting frame (1); a sealing plate (83) is provided at the opening; a mounting seat (81) is fixed to the right side of the mounting frame (1); an electric telescopic rod (82) is installed on the lower side of the mounting seat (81); a telescopic arm of the electric telescopic rod (82) is fixed on the upper side of the sealing plate (83); an input end of the electric telescopic rod (82) is electrically connected to an output end of an external control switch group.

8. The layered dryer for tea processing according to claim 1, characterized in that: A blanking plate (9) is fixed to the left end of the upper inner side of the installation frame (1), and an exhaust grille (10) is fixed to the right end of the upper inner side of the installation frame (1).

9. The layered dryer for tea processing according to claim 7, characterized in that: A downwardly sloping material plate (11) is fixed to the right end of the lower inner side of the installation frame (1), and the downwardly sloping material plate (11) is in contact with the left side of the sealing plate (83).

10. The layered dryer for tea processing according to claim 1, characterized in that: An observation port is provided on the front side of the installation frame (1), and a transparent plate (12) is fixed inside the observation port.

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