Continuous mesh belt type dryer for processing Enshi Yuluo tea

Abstract

The utility model discloses a continuous mesh belt type dryer for processing Enshi Yuluo tea, which comprises a box body, a first conveying mesh belt, a second conveying mesh belt, a third conveying mesh belt and a fourth conveying mesh belt are sequentially arranged in the box body from top to bottom, and a discharge port is mounted at one end of the bottom end of the box body. A feeding mechanism is installed at the top of the side, close to the discharging port, of the box body, a rubber conveying mesh belt is installed in the feeding mechanism, a leaf storage box is installed at the bottom of the feeding mechanism, leaf uniformizing devices are installed at one end of the leaf storage box and the top of the feeding mechanism, and a layered air inlet mechanism is installed on the side, away from the discharging port, of the box body; according to the continuous mesh belt type dryer for processing the Enshi Yulu tea, the inclined rubber baffle is arranged to prevent tea from being collided and broken during falling, the tea breaking rate is reduced, the integrated conveying mesh belt is adopted to prevent tea hanging holes from being broken, the leaf evening device is arranged to ensure that materials are even and make full contact with a heat source in the tea drying process, and fragrance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tea processing equipment, in particular to a continuous net-belt drying machine for processing Enshi Yulu tea. Background Art

[0002] Enshi Yu Lu tea is a type of needle-shaped green tea. The tea leaves are tight and straight, shaped like pine needles, and the tea soup is bright green.

[0003] The mechanized process includes tea spreading, steaming and dehydrating, rolling, primary drying, strip sorting, shaping, glazing, aroma enhancement, and selection. The dryer is an important mechanical equipment for the primary drying and aroma enhancement process, which plays an important role in improving the quality of tea. However, the existing dryers have the following disadvantages:

[0004] (1) The mainstream drying machine on the current market is a chain plate drying machine, but it is not suitable for drying Enshi Yu Lu tea leaves, mainly because the ventilation holes on the drying plate are prone to tea leaves hanging holes, and the Enshi Yu Lu tea leaves are prone to breakage when falling from the upper louver plate to the lower louver plate;

[0005] (2) The existing dryer has poor uniformity during the feeding process of tea leaves, resulting in uneven heating of the tea leaves, which ultimately affects the quality of the tea leaves. Utility Model Content

[0006] The purpose of the utility model is to provide a continuous mesh belt dryer for processing Enshi Yu Lu tea, so as to solve the problem that the ventilation holes on the drying plate of the existing chain plate dryer mentioned in the above background technology are prone to tea hanging holes, and the Enshi Yu Lu tea is easy to break when the tea falls from the upper louver plate to the lower louver plate, and the tea is less uniform during the feeding process, resulting in uneven heating of the tea, which ultimately affects the quality of the tea.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a continuous mesh belt dryer for processing Enshi Yu Lu tea, comprising a box body, wherein a first conveyor mesh belt, a second conveyor mesh belt, a third conveyor mesh belt and a fourth conveyor mesh belt are arranged in sequence from top to bottom inside the box body, a discharge port is installed at one end of the bottom end of the box body, a feeding mechanism is installed at the top of the box body close to the discharge port, a rubber conveyor mesh belt is installed inside the feeding mechanism, a leaf storage box is installed at the bottom of the feeding mechanism, a leaf leveler is installed at one end of the leaf storage box and the top of the feeding mechanism, a stratified air inlet mechanism is installed at the side of the box body away from the discharge port, an air inlet duct is installed at the bottom of the stratified air inlet mechanism, a heat exchanger is installed at one end of the air inlet duct, and frames are installed on both sides of the bottom end of the box body.

[0008] When a continuous mesh belt dryer for processing Enshi Yu Lu tea is used in the present technical solution, an inclined rubber baffle is provided to prevent the tea leaves from colliding and breaking when falling, thereby reducing the rate of broken tea. An integrated transport mesh belt is used to prevent the tea leaves from breaking at the hanging holes. A leaf leveler is provided to ensure that the material is uniform during the tea drying process and is fully in contact with the heat source, thereby helping to enhance the aroma.

[0009] As a preferred technical solution of the utility model, a motor is installed at the bottom of the frame near the discharge port, a first small pulley is connected to the output end of the motor, a first large pulley is installed at the top of the frame near the discharge port, a second small pulley is connected to the middle of the first large pulley, a second large pulley is installed at one end of the inner wall of the box located at the bottom end of the fourth conveyor mesh belt, a first sprocket is installed at one end of the inner wall of the box located at the bottom end of the first conveyor mesh belt, a tensioning sprocket is installed at one end of the inner wall of the box located at the top end of the second conveyor mesh belt, a second sprocket is installed at one end of the inner wall of the box located at the bottom end of the second conveyor mesh belt, a third sprocket is installed at one side of the inner wall of the box located at the bottom end of the second conveyor mesh belt, a fourth sprocket is installed at one end of the inner wall of the box located at the bottom end of the third conveyor mesh belt, and a fifth sprocket is connected to the middle of the second large pulley. The motor is used to drive the operation of the conveyor mesh belt.

[0010] As an optimal technical solution of the utility model, a transmission belt is sleeved between the first small pulley and the first large pulley and between the second small pulley and the second large pulley, a chain 1 is sleeved between the fifth sprocket and the third sprocket, and between the third sprocket and the second sprocket, and a chain 2 is sleeved between the first sprocket, the tension sprocket, the second sprocket and the fourth sprocket. The transmission belt and chain play a role in transmission.

[0011] As an optimal technical solution of the utility model, the inlet of the second conveyor mesh belt, the inlet of the third conveyor mesh belt and the inlet of the fourth conveyor mesh belt are all installed with inclined rubber baffles. The inclined rubber baffles play a buffering role and reduce the rate of broken tea.

[0012] As an optimal technical solution of the utility model, a small sprocket for grading leaves is installed in the middle of the leaf leveler, and a large pulley for grading leaves is installed at the bottom of the rubber conveyor mesh belt. The small sprocket for grading leaves and the large pulley for grading leaves play a role of transmission.

[0013] As an optimal technical solution of the utility model, a cleaning mechanism is installed at the bottom of the inner wall of the box through a slide rail, and the installation inclination angle of the cleaning mechanism is 30-45°. The cleaning mechanism is provided for cleaning the tea leaves in the box.

[0014] As an optimal technical solution of the utility model, an air inlet baffle is installed at the bottom of the inner wall of the box close to the layered air inlet mechanism, and an inclined plate is installed at the top of the inner wall of the box away from the layered air inlet mechanism. The air inlet baffle and the inclined plate play a role in guiding air.

[0015] As an optimal technical solution of the utility model, observation doors are installed on both sides of the front side and both sides of the back side of the box body. The observation doors are provided to facilitate observation of the situation inside the box body.

[0016] As an optimal technical solution of the utility model, the first conveyor mesh belt, the second conveyor mesh belt, the third conveyor mesh belt and the fourth conveyor mesh belt are all stainless steel perforated mesh belts with a hole diameter of 2 mm. The stainless steel perforated mesh belt is conducive to uniform heating of tea leaves.

[0017] As an optimal technical solution of the utility model, the shape of the discharge port is "eight" shaped, a support frame is installed on one side of the bottom end of the box body, and the top of the support frame is provided with a slope of 40-60 degrees. The support frame is provided to support the box body.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The dryer adopts four layers of mesh belt arranged vertically, which can save space to the maximum extent and increase the capacity of the drying process. By installing an inclined rubber baffle at the inlet of the conveyor mesh belt, it can prevent the tea from colliding and breaking when falling, and reduce the broken tea rate. By using an integrated transport mesh belt, it can prevent the tea from breaking at the hanging hole. A tea inclined conveyor can be installed at the feed inlet and a horizontal conveyor can be installed at the discharge outlet, realizing the mechanized, continuous and clean production of Enshi Yulu, significantly reducing processing time, reducing labor intensity and improving production efficiency.

[0020] 2. By setting leaf levelers at two positions, one on the feeding mechanism and the other on the top of the box, the material can be evenly distributed during the tea drying process, fully in contact with the heat source, and the moisture inside the tea leaves can be dispersed synchronously, which is beneficial to the aroma enhancement. By controlling the motor speed to control the residence time of the tea leaves in the dryer, the drying process can be automatically controlled to improve the drying uniformity. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the motor of the utility model;

[0023] Figure 3 It is a top view of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the support frame of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the leaf leveler of the utility model.

[0026] In the figure: 1. heat exchanger; 2. air inlet duct; 3. layered air inlet mechanism; 4. inclined rubber baffle; 5. box; 6. first conveyor mesh belt; 7. second conveyor mesh belt; 8. third conveyor mesh belt; 9. fourth conveyor mesh belt; 10. feeding mechanism; 11. small sprocket for leveling leaves; 12. leaf leveler; 13. leaf storage box; 14. large pulley for leveling leaves; 15. first sprocket; 16. tensioning sprocket; 17. second sprocket; 18. The third sprocket; 19, the fourth sprocket; 20, the discharge port; 21, the first large pulley; 22, the fifth sprocket; 23, the first small pulley; 24, the second large pulley; 25, the second small pulley; 26, the motor; 27, the cleaning mechanism; 28, the frame; 29, the air inlet baffle; 30, the inclined plate; 31, the support frame; 32, the observation door; 33, the transmission belt; 34, the chain one; 35, the chain two; 36, the rubber conveyor belt. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 The utility model provides a continuous mesh belt dryer for processing Enshi Yu Lu tea, including a box body 5, wherein the first conveyor mesh belt 6, the second conveyor mesh belt 7, the third conveyor mesh belt 8 and the fourth conveyor mesh belt 9 are sequentially arranged inside the box body 5 from top to bottom for conveying tea leaves, a discharge port 20 is installed at one end of the bottom end of the box body 5 for discharging tea leaves, a feeding mechanism 10 is installed at the top of the box body 5 near the discharge port 20, a rubber conveyor mesh belt 36 is installed inside the feeding mechanism 10, a leaf storage box 13 is installed at the bottom of the feeding mechanism 10 for storing tea leaves, a leaf leveler 12 is installed at one end of the leaf storage box 13 and the top of the feeding mechanism 10, a stratified air inlet mechanism 3 is installed at the side of the box body 5 away from the discharge port 20, an air inlet duct 2 is installed at the bottom of the stratified air inlet mechanism 3, a heat exchanger 1 is installed at one end of the air inlet duct 2 for generating hot air to dry the tea leaves, and a frame 28 is installed on both sides of the bottom end of the box body 5.

[0029] When in use, the machine is started, the conveyor mesh belt and the leaf leveler 12 in the box body 5 start to move, the hot air passes through the heat exchanger 1 into the box body 5, the tea leaves are sent to the feeding mechanism 10 through the leaf leveler 12, and the tea leaves are sent to the first conveyor mesh belt 6 through the conveyor mesh belt of the feeding mechanism 10, and enter the box body 5. The tea leaves move slowly with the movement of the conveyor mesh belt and fall from top to bottom until they fall to the lowest layer. The hot air passes through the lower part of the box body 5 and is transported to the conveyor mesh belt of each layer through the stratified air inlet mechanism 3, and contacts with the tea leaves through the holes of the conveyor mesh belt to dry them, dissipate moisture, promote the aroma transformation of Enshi Yu Lu tea leaves, complete drying, and finally fall out from the discharge port 20;

[0030] A motor 26 is installed at the bottom of the frame 28 near the discharge port 20, and the output end of the motor 26 is connected to the first small pulley 23. A first large pulley 21 is installed at the top of the frame 28 near the discharge port 20, and the middle of the first large pulley 21 is connected to the second small pulley 25. The inner wall of the box body 5 is located at the bottom of the fourth conveyor mesh belt 9. The second large pulley 24 is installed at one end, and the inner wall of the box body 5 is located at the bottom of the first conveyor mesh belt 6. The first sprocket 15 is installed at one end of the inner wall of the box body 5 located at the top of the second conveyor mesh belt 7. The tensioning sprocket 16 is installed at one end of the inner wall of the box body 5 located at the bottom of the second conveyor mesh belt 7. The second sprocket 17 is installed at one end of the inner wall of the box body 5 located at the bottom of the second conveyor mesh belt 7. There is a third sprocket 18, a fourth sprocket 19 is installed at one end of the inner wall of the box body 5 located at the bottom end of the third conveyor mesh belt 8, a fifth sprocket 22 is connected to the middle of the second large pulley 24, a transmission belt 33 is sleeved between the first small pulley 23 and the first large pulley 21 and between the second small pulley 25 and the second large pulley 24, a chain 1 34 is sleeved between the fifth sprocket 22 and the third sprocket 18, and between the third sprocket 18 and the second sprocket 17, a chain 2 35 is sleeved between the first sprocket 15, the tensioning sprocket 16, the second sprocket 17 and the fourth sprocket 19, a small leaf sprocket 11 is installed in the middle of the leaf leveler 12, and a large leaf sprocket 14 is installed at the bottom of the rubber conveyor mesh belt 36 for transmission;

[0031] When in use, after starting the motor 26, the first small pulley 23 can be driven to rotate, and with the cooperation of the transmission belt 33, the first large pulley 21, the second small pulley 25 and the second large pulley 24 can be driven to rotate, and under the action of the chain, each sprocket can be driven to rotate, which is used for the operation of the four-layer conveyor mesh belt. The rubber conveyor mesh belt 36 can be synchronously operated with the leaf leveler 12;

[0032] The inlet of the second conveyor mesh belt 7, the inlet of the third conveyor mesh belt 8 and the inlet of the fourth conveyor mesh belt 9 are all installed with inclined rubber baffles 4, which play a buffering role. The bottom of the inner wall of the box body 5 is installed with a cleaning mechanism 27 through a slide rail, and the installation inclination angle of the cleaning mechanism 27 is 30-45°, which plays a cleaning role. The bottom of the inner wall of the box body 5 close to the stratified air inlet mechanism 3 is installed with an air inlet baffle 29, and the top of the inner wall of the box body 5 away from the stratified air inlet mechanism 3 is installed with an inclined plate 30, which plays a role in guiding air;

[0033] When in use, an inclined rubber baffle 4 is installed at the inlet of the conveyor mesh belt to prevent the tea leaves from colliding and breaking when falling, thereby reducing the rate of broken tea leaves. A cleaning mechanism 27 is provided to facilitate cleaning of the tea leaves in the box 5. The air inlet baffle 29 and the inclined plate 30 can guide the hot air used for drying.

[0034] Observation doors 32 are installed on both sides of the front and back of the box 5 to facilitate observation of the situation inside the box. The first conveyor mesh belt 6, the second conveyor mesh belt 7, the third conveyor mesh belt 8 and the fourth conveyor mesh belt 9 are all made of stainless steel perforated mesh belts with a hole diameter of 2 mm. The shape of the discharge port 20 is "eight" shaped by uniform heating. A support frame 31 is installed on one side of the bottom end of the box 5, and the top of the support frame 31 is provided with a slope with an angle of 40-60° to play a supporting role;

[0035] During use, the drying process can be observed through the observation door 32 during processing. The stainless steel perforated mesh belt can make the tea leaves on the surface evenly heated. The bottom of the discharge port 20 is open to prevent tea leaves from being blocked and piled up during unloading. The support frame 31 is provided to support the dryer housing 5.

[0036] When in use, the utility model is a continuous mesh belt drying machine for processing Enshi Yu Lu tea. The motor 26 adopts a frequency conversion type. The box body 5 is a rectangular parallelepiped made of angle steel and steel plate. The left side of the top middle position is open, and the right side of the middle position is closed with a steel plate. When the machine is turned on during operation, the conveying mesh belt and the leaf leveler 12 in the box body 5 start to move, and the hot air enters the box body 5 through the heat exchanger 1. The tea leaves are sent to the feeding mechanism 10 through the leaf leveler 12. The tea leaves are sent to the first conveying mesh belt 6 through the conveying mesh belt of the feeding mechanism 10 and enter the box body 5. The tea leaves move slowly with the movement of the conveying mesh belt and fall from top to bottom. When falling, the inclined rubber baffle 4 is used to buffer and prevent the tea leaves from breaking. Until falling to the lowest layer, the hot air passes through the lower part of the box body 5 and is transported to the conveying mesh belt of each layer through the layered air inlet mechanism 3. The hot air contacts the tea leaves from the holes of the conveying mesh belt to dry them, dissipate moisture, promote the aroma transformation of Enshi Yu Lu tea leaves, and complete the drying. The tea leaves fall out from the discharge port 20, and the drying progress can be observed through the observation door 32 during the processing. By arranging leaf levelers 12 at two positions above the feeding mechanism 10 and the box body 5, the material is guaranteed to be uniform during the tea drying process, fully in contact with the heat source, and the moisture loss inside the tea leaves is synchronized, which is beneficial to the aroma enhancement. The residence time of the tea leaves in the dryer is controlled by controlling the rotation speed of the motor 26 to realize automatic control of the drying process and improve the drying uniformity. The four-layer mesh belt is arranged vertically to save space to the maximum extent and increase the capacity of the drying process. The inclined rubber baffle 4 is installed at the inlet of the conveyor mesh belt to prevent the tea leaves from colliding and breaking when falling, thereby reducing the broken tea rate. By using an integrated transport mesh belt, the tea hanging holes are prevented from breaking. A tea inclined conveyor can be installed at the feed port, and a horizontal conveyor can be installed at the discharge port 20 to realize the mechanized, continuous and clean production of Enshi Yu Lu, significantly reducing the processing time, reducing labor intensity and improving production efficiency.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A continuous mesh belt drying machine for processing Enshi Yulu tea, comprising a box (5), characterized in that: The interior of the box body (5) is provided with a first conveyor mesh belt (6), a second conveyor mesh belt (7), a third conveyor mesh belt (8) and a fourth conveyor mesh belt (9) in sequence from top to bottom; a discharge port (20) is installed at one end of the bottom end of the box body (5); a feeding mechanism (10) is installed at the top of the box body (5) close to the discharge port (20); a rubber conveyor mesh belt (36) is installed inside the feeding mechanism (10); a leaf storage box (13) is installed at the bottom of the feeding mechanism (10); a leaf leveler (12) is installed at one end of the leaf storage box (13) and the top of the feeding mechanism (10); a stratified air inlet mechanism (3) is installed at the side of the box body (5) away from the discharge port (20); an air inlet duct (2) is installed at the bottom of the stratified air inlet mechanism (3); a heat exchanger (1) is installed at one end of the air inlet duct (2); and frames (28) are installed on both sides of the bottom end of the box body (5).

2. A continuous mesh belt dryer for processing Enshi Yulu tea according to claim 1, characterized in that: A motor (26) is installed at the bottom of the frame (28) near the discharge port (20), and the output end of the motor (26) is connected to a first small pulley (23). A first large pulley (21) is installed at the top of the frame (28) near the discharge port (20), and a second small pulley (25) is connected to the middle of the first large pulley (21). A second large pulley (24) is installed at one end of the inner wall of the box body (5) located at the bottom end of the fourth conveyor mesh belt (9), and a second large pulley (24) is installed at one end of the inner wall of the box body (5) located at the bottom end of the first conveyor mesh belt (6). A first sprocket (15), a tensioning sprocket (16) is installed at one end of the inner wall of the box body (5) located at the top end of the second conveyor mesh belt (7), a second sprocket (17) is installed at one end of the inner wall of the box body (5) located at the bottom end of the second conveyor mesh belt (7), a third sprocket (18) is installed at one side of the inner wall of the box body (5) located at the bottom end of the second conveyor mesh belt (7), a fourth sprocket (19) is installed at one end of the inner wall of the box body (5) located at the bottom end of the third conveyor mesh belt (8), and a fifth sprocket (22) is connected to the middle of the second large pulley (24).

3. A continuous mesh belt dryer for processing Enshi Yulu tea according to claim 2, characterized in that: A transmission belt (33) is sleeved between the first small pulley (23) and the first large pulley (21), and between the second small pulley (25) and the second large pulley (24); a chain 1 (34) is sleeved between the fifth sprocket (22) and the third sprocket (18), and between the third sprocket (18) and the second sprocket (17); and a chain 2 (35) is sleeved between the first sprocket (15), the tensioning sprocket (16), the second sprocket (17) and the fourth sprocket (19).

4. The continuous mesh belt dryer for processing Enshi Yulu tea according to claim 1, characterized in that: The inlet of the second conveyor mesh belt (7), the inlet of the third conveyor mesh belt (8) and the inlet of the fourth conveyor mesh belt (9) are all installed with inclined rubber baffles (4).

5. The continuous mesh belt dryer for processing Enshi Yulu tea according to claim 1, characterized in that: A small blade leveling sprocket (11) is installed in the middle of the blade leveler (12), and a large blade leveling pulley (14) is installed at the bottom of the rubber conveyor mesh belt (36).

6. The continuous mesh belt dryer for processing Enshi Yulu tea according to claim 1, characterized in that: A cleaning mechanism (27) is installed at the bottom of the inner wall of the box body (5) via a slide rail, and the installation inclination angle of the cleaning mechanism (27) is 30-45°.

7. The continuous mesh belt dryer for processing Enshi Yulu tea according to claim 1, characterized in that: An air inlet baffle (29) is installed at the bottom of the inner wall of the box body (5) close to the layered air inlet mechanism (3), and an inclined plate (30) is installed at the top of the inner wall of the box body (5) away from the layered air inlet mechanism (3).

8. The continuous mesh belt dryer for processing Enshi Yulu tea according to claim 1, characterized in that: Observation doors (32) are installed on both sides of the front side and both sides of the back side of the box body (5).

9. A continuous mesh belt dryer for processing Enshi Yulu tea according to claim 1, characterized in that: The first conveyor mesh belt (6), the second conveyor mesh belt (7), the third conveyor mesh belt (8) and the fourth conveyor mesh belt (9) are all made of stainless steel perforated mesh belts with a hole diameter of 2 mm.

10. The continuous mesh belt dryer for processing Enshi Yulu tea according to claim 1, characterized in that: The shape of the discharge port (20) is an "eight" shape, a support frame (31) is installed on one side of the bottom end of the box body (5), and the top of the support frame (31) is provided with a slope with an angle of 40-60 degrees.

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