Black tea withering device
By using hot air ducts and vibration devices in the black tea withering device, uniform blowing and rolling of tea leaves is achieved, the damage caused by contact between the pick and tea leaves is solved, the integrity and withering efficiency of the tea leaves are improved, and the return air duct is passed Improve energy utilization.
Patent Information
- Application Number
- CN202420717111.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-09
AI Technical Summary
In existing black tea withering devices, the picks are directly in contact with the tea, causing damage to the tea, and the uneven distribution of hot air leads to low withering efficiency.
Design a black tea withering device, adopting hot air duct and vibrating device, the hot air passes through the grid and blows the tea leaves evenly. The vibration device drives the support frame to vibrate reciprocatingly, and the tea leaves roll, avoid direct contact between the paddles and improves through the return air duct. Energy utilization rate.
The integrity and withering effect of tea are improved, and the vibration device does not come into direct contact with tea, which improves the integrity of tea, and improves energy utilization through the return air duct.
Smart Images
Figure CN222148915U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tea processing, in particular to a black tea withering device. Background Art
[0002] Black tea is a type of tea. It is named because the tea soup and leaf base are red after brewing. It is a fully fermented tea. It is made from the buds and leaves of the tea tree and is refined through typical process such as withering, rolling, fermentation and drying.
[0003] For example, the utility model patent with publication number CN218278568U discloses a withering device for processing black tea, comprising a mounting frame, a closed cover plate movably mounted on the top of the mounting frame, a heating mechanism mounted in the middle of the bottom of the mounting frame, a placement plate mounted in the middle of the inner cavity of the mounting frame, and evenly distributed air guide holes are vertically opened inside the placement plate, air guide frames are mounted on both left and right inner walls of the mounting frame, and air guide pipes arranged at equal distances are mounted on opposite sides of the two air guide frames, and nozzles arranged at equal distances in the horizontal direction are mounted on the top of the air guide pipes, support frames are mounted on both left and right inner walls of the mounting frame, a driving rod is mounted laterally inside the two support frames, and evenly distributed adjusting paddles are mounted on the outer side of the driving rod, a locking frame is mounted on the top of the left side of the mounting frame, and a connecting block is mounted on the left side of the closed cover plate, and the connecting block is connected to the locking frame; during the withering process of the tea leaves, the tea leaves can be turned over conveniently by adjusting the paddles, thereby improving the effect and efficiency of withering of the tea leaves.
[0004] However, the above-mentioned withering device still has problems:
[0005] The paddle is in direct contact with the tea leaves, and when the paddle rotates close to the placement plate, the tea leaves at the end of the paddle will be squeezed on the placement plate, thereby damaging the tea leaves. Utility Model Content
[0006] The utility model aims to provide a black tea withering device, which has the effect of improving the integrity of tea leaves.
[0007] The above-mentioned technical purpose of the utility model is achieved through the following technical scheme: a black tea withering device, comprising a shell, a placing plate and a hot air pipe arranged in the shell, the hot air pipe is located below the placing plate, the placing plate comprises a placing groove fixedly connected to the shell, a support frame slidably connected to the inside of the placing groove and a grid plate fixedly connected to the support frame on the side away from the hot air pipe, the hot air pipe is provided with a plurality of air outlets facing the placing plate, a vibration device for driving the support frame to slide in the placing groove is connected to the shell, an exhaust port is provided on the top of the shell, the hot air pipe is connected to an air inlet duct, the end of the air inlet duct is connected to a hot air blower, and the air inlet of the hot air blower is connected to an air suction duct.
[0008] By adopting the above technical solution, the tea leaves are put into the placement trough, and the hot air blower blows hot air to the bottom of the placement trough through the air inlet pipe. The hot air passes through the grid plate to wither the tea leaves. The vibration device drives the support frame to vibrate reciprocatingly to achieve tumbling of the tea leaves and improve the withering effect. The vibration device does not directly contact the tea leaves, thereby improving the integrity of the tea leaves.
[0009] The utility model is further configured as follows: the exhaust port is connected to a return air duct, the outer wall of the suction air duct is sleeved with a heat exchange tube, the return air duct is communicated with the heat exchange tube, and the heat exchange tube is connected to an air outlet duct.
[0010] By adopting the above technical solution, the hot air is discharged from the exhaust port after blowing the tea leaves, and the exhausted hot air enters the heat exchange cylinder through the return air duct to preheat the cold air entering the hot air blower, thereby improving the energy utilization rate.
[0011] The utility model is further configured as follows: the vibration device includes two vibration shafts rotatably connected to the shell, a plurality of vibration cams are fixedly connected to the vibration shafts, the vibration cams rotate and contact the support frame, the shell is provided with vibration motors that respectively drive the two vibration shafts to rotate, the two ends of the placement plate are respectively provided with a feed end and a discharge end, and the two vibration shafts are respectively located below the feed end and the discharge end.
[0012] By adopting the above technical solution, the two vibration motors respectively drive the two vibration shafts to rotate, thereby driving the vibration cam to rotate and thus promoting the support frame to vibrate.
[0013] The utility model is further configured as follows: the shell is provided with a feed port located above the feed end, the placement groove is provided with a discharge port located at the discharge end, a baffle plate is plugged into the discharge port, and the shell is provided with a discharge trough located below the discharge port.
[0014] By adopting the above technical solution, after the withering of the tea leaves is completed, the driving motor connected to the vibration shaft below the discharge end is turned off, and the driving motor connected to the vibration shaft below the feed end is turned on, and the baffle plate is pulled out to open the discharge port. The rotation of the vibration shaft below the feed end causes the support frame to vibrate on one side, and the tea leaves vibrate to the discharge end and are discharged from the discharge port into the discharge trough, thereby realizing the discharge of the tea leaves.
[0015] The utility model is further configured as follows: the feed inlet is hinged with an end cover.
[0016] By adopting the above technical solution, the end cover is rotated to open and close the feed port.
[0017] The utility model is further configured as follows: the shell side wall is provided with a discharge port for the discharge chute to extend out, and a sealing plate is plugged into the discharge port.
[0018] By adopting the above technical solution, the sealing plate is pulled out from the discharge port to discharge the tea leaves from the discharge chute.
[0019] The beneficial effects of the utility model are:
[0020] 1. The vibration device drives the support frame to vibrate back and forth, so as to tumble the tea leaves and improve the withering effect. The vibration device does not come into direct contact with the tea leaves, thus improving the integrity of the tea leaves.
[0021] 2. After the withering of the tea leaves is completed, turn off the drive motor connected to the vibration shaft below the discharge end, turn on the drive motor connected to the vibration shaft below the feed end, pull out the baffle plate to open the discharge port, and the rotation of the vibration shaft below the feed end causes the support frame to vibrate on one side. The tea leaves vibrate to the discharge end and are discharged from the discharge port into the discharge trough, thereby realizing the discharge of the tea leaves. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0023] Figure 1 It is a schematic diagram of the structure of this embodiment.
[0024] Figure 2 Schematic diagram of the connection relationship of the discharge chute in this embodiment.
[0025] In the figure, 1. shell; 11. exhaust port; 12. air inlet pipe; 13. hot air blower; 14. air suction pipe; 15. feed port; 16. end cover; 17. discharge port; 18. sealing plate; 2. placement plate; 21. placement slot; 22. support frame; 23. grid plate; 24. feed end; 25. discharge end; 26. discharge port; 261. baffle plate; 3. hot air pipe; 31. air outlet; 4. return air pipe; 41. heat exchange cylinder; 42. air outlet pipe; 5. vibration device; 51. vibration shaft; 52. vibration cam; 53. vibration motor; 6. discharge slot. DETAILED DESCRIPTION
[0026] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.
[0027] Embodiment, a kind of black tea withering device, such as Figure 1 As shown, it includes a shell 1, a placement tray 2 and a hot air pipe 3 arranged in the shell 1, the hot air pipe 3 is located below the placement tray 2, and a plurality of air outlets 31 facing the placement tray 2 are arranged on the hot air pipe 3, an exhaust port 11 is arranged on the top of the shell 1, the hot air pipe 3 is connected with an air inlet pipe 12, the end of the air inlet pipe 12 is connected with a hot air blower 13, the air inlet of the hot air blower 13 is connected with an air suction pipe 14, the air outlet 11 is connected with a return air pipe 4, the outer wall of the air suction pipe 14 is sleeved with a heat exchange tube 41, the return air pipe 4 is connected with the heat exchange tube 41, and the heat exchange tube 41 is connected with an air outlet pipe 42, tea leaves are put into the placement slot 21, the hot air blower 13 blows hot air to the bottom of the placement slot 21 through the air inlet pipe 12, and the hot air is discharged from the exhaust port 11 after blowing the tea leaves, and the discharged hot air enters the heat exchange tube 41 through the return air pipe 4, so as to preheat the cold air entering the hot air blower 13, thereby improving the energy utilization rate.
[0028] like Figure 1 , Figure 2 As shown, the placement plate 2 includes a placement groove 21 fixedly connected to the shell 1, a support frame 22 slidably connected to the inside of the placement groove 21 and a grid plate 23 fixedly connected to the side of the support frame 22 away from the hot air pipe 3. A vibration device 5 is connected to the shell 1 to drive the support frame 22 to slide in the placement groove 21. The vibration device 5 includes two vibration shafts 51 rotatably connected to the shell 1. A plurality of vibration cams 52 are fixedly connected to the vibration shafts 51. The vibration cams 52 rotate and contact with the support frame 22. The shell 1 is provided with vibration motors 53 respectively driving the two vibration shafts 51 to rotate. A feeding end 24 and a discharging end 25 are respectively provided at both ends of the placement plate 2. The two vibration shafts 51 are respectively located below the feeding end 24 and the discharging end 25. The two vibration motors 53 respectively drive the two vibration shafts 51 to rotate, thereby driving the vibration cams 52 to rotate and thereby promoting the support frame 22 to vibrate.
[0029] like Figure 1 , Figure 2 As shown, the shell 1 is provided with a feed port 15 located above the feed end 24, the placement groove 21 is provided with a discharge port 26 located at the discharge end 25, the discharge port 26 is plugged with a baffle plate 261, the shell 1 is provided with a discharge chute 6 located below the discharge port 26, the feed port 15 is hinged with an end cover 16, the side wall of the shell 1 is provided with a discharge port 17 for the discharge chute 6 to extend out, and the discharge port 17 is plugged with a sealing plate 18.
[0030] The tea leaves are put into the placement groove 21, and the hot air blower 13 blows hot air to the bottom of the placement groove 21 through the air inlet pipe 12. The hot air passes through the grid plate 23 to wither the tea leaves. The vibration device 5 drives the support frame 22 to vibrate reciprocatingly to achieve tumbling of the tea leaves and improve the withering effect. The vibration device 5 does not directly contact the tea leaves, which improves the integrity of the tea leaves. After the hot air finishes blowing the tea leaves, it is discharged from the exhaust port 11, and the exhausted hot air enters the heat exchange cylinder 41 through the return air pipe 4, and preheats the cold air entering the hot air blower 13, thereby improving the energy utilization rate. After the withering of the tea leaves is completed, the driving motor connected to the vibration shaft 51 below the discharge end 25 is turned off, and the driving motor connected to the vibration shaft 51 below the feed end 24 is turned on, and the baffle plate 261 is pulled out to open the discharge port 26. The rotation of the vibration shaft 51 below the feed end 24 causes the support frame 22 to vibrate on one side, and the tea leaves vibrate to the discharge end 25 and are discharged from the discharge port 26 into the discharge trough 6, thereby realizing the discharge of the tea leaves.
Claims
1. A black tea withering device, characterized in that: The invention comprises a shell (1), a placement plate (2) and a hot air pipe (3) arranged in the shell (1); the hot air pipe (3) is located below the placement plate (2); the placement plate (2) comprises a placement groove (21) fixedly connected to the shell (1), a support frame (22) slidably connected to the inside of the placement groove (21), and a grid plate (23) fixedly connected to the support frame (22) on a side away from the hot air pipe (3); the hot air pipe (3) is provided with a plurality of air outlets (31) facing the placement plate (2); a vibration device (5) is connected to the shell (1) to drive the support frame (22) to slide in the placement groove (21); an exhaust port (11) is arranged on the top of the shell (1); an air inlet pipe (12) is connected to the hot air pipe (3); a hot air blower (13) is connected to the end of the air inlet pipe (12); and an air inlet of the hot air blower (13) is connected to an air suction pipe (14).
2. A black tea withering device according to claim 1, characterized in that: The exhaust port (11) is connected to a return air duct (4), the outer wall of the air intake duct (14) is sleeved with a heat exchange tube (41), the return air duct (4) is communicated with the heat exchange tube (41), and the heat exchange tube (41) is connected to an air outlet duct (42).
3. A black tea withering device according to claim 2, characterized in that: The vibration device (5) comprises two vibration shafts (51) rotatably connected to the shell (1); a plurality of vibration cams (52) are fixedly connected to the vibration shafts (51); the vibration cams (52) rotate to contact the support frame (22); a vibration motor (53) is provided on the shell (1) for driving the two vibration shafts (51) to rotate respectively; a feeding end (24) and a discharging end (25) are respectively provided at two ends of the placement plate (2); and the two vibration shafts (51) are respectively located below the feeding end (24) and the discharging end (25).
4. A black tea withering device according to claim 3, characterized in that: The shell (1) is provided with a feed port (15) located above the feed end (24); the placement groove (21) is provided with a discharge port (26) located at the discharge end (25); a baffle plate (261) is plugged into the discharge port (26); and the shell (1) is provided with a discharge trough (6) located below the discharge port (26).
5. A black tea withering device according to claim 4, characterized in that: The feed port (15) is hingedly connected with an end cover (16).
6. A black tea withering device according to claim 5, characterized in that: The side wall of the housing (1) is provided with a discharge port (17) for the discharge chute (6) to extend out, and a sealing plate (18) is plugged into the discharge port (17).