Tea leaf pile fermentation device

Abstract

The utility model discloses a tea leaf pile fermentation device, which belongs to the technical field of tea leaf production equipment and comprises a support frame, a fermentation cylinder, a driving motor, a humidifying device and a control device. The fermentation cylinder is mounted on the supporting frame and comprises a cylinder body and a stirring structure, the stirring structure comprises a center rod and a plurality of stirring rods, a plurality of nozzles are uniformly arranged on the peripheral surfaces of the stirring rods, and a temperature sensor is arranged in the middle of the cylinder body. The driving motor is arranged on one supporting column and used for driving the barrel to rotate. And the humidifying device is connected with all the nozzles on the stirring structure through pipelines. And the control device is electrically connected with the temperature sensor, the driving motor and the humidifying device. According to the utility model, the plurality of nozzles are uniformly arranged on the stirring rod of the stirring structure, so that the humidifying range is expanded, and the problem of poor humidifying effect caused by small humidifying range of the existing tea pile fermentation device is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tea production equipment, in particular to a tea pile fermentation device. Background Art

[0002] Piling is an important process in the tea production process. The traditional method is to pile the tea leaves to a certain height, sprinkle water and cover them with linen cloth for fermentation. However, there is a problem of uneven tea moisture when sprinkling water. In addition, during the fermentation process, it is often encountered that the temperature inside the tea pile is too high, while the temperature outside the tea pile is too low, resulting in uneven tea temperature. Uneven tea moisture and temperature will affect the quality of tea fermentation.

[0003] Prior art CN 217407660 U proposes a tea processing pile fermentation device, which can make the tea leaves turn over in the processing barrel, spray steam to moisten the tea leaves while stirring the tea leaves, and can be used to improve the uniformity of the tea leaves' humidity. In this case, it is also easy to think that when the temperature inside the tea pile is too high, the uniformity of the tea leaves' temperature can be improved by stirring. However, the pile fermentation device still has the following shortcomings: (1) The nozzle is set on the central axis, the contact range between the steam and the tea leaves is limited, and the humidification effect is not good; (2) When the temperature inside the device is too high, the heat cannot be discharged, and frequent stirring will also affect the fermentation quality of the tea leaves; (3) There is no function of automatic loading and automatic transportation to the next process, and the loading and transportation operations are inconvenient and labor-intensive. Utility Model Content

[0004] The utility model provides a tea pile fermentation device, which expands the humidification range by evenly arranging multiple nozzles on a stirring rod of a stirring structure, so as to solve the problem that the existing tea pile fermentation device has a poor humidification effect due to a small humidification range.

[0005] The utility model arranges a temperature sensor in the cylinder to monitor the temperature of the middle part of the cylinder during tea fermentation. If the temperature is too high, the operator is prompted to cool down. A heat absorption device is also arranged, and the operator can choose heat absorption cooling or stirring cooling according to actual conditions, so as to solve the problem of frequent stirring of tea leaves due to the inability to discharge heat in the existing pile fermentation device.

[0006] The utility model is also provided with a climbing conveyor belt and a trough conveyor belt. By rotating the cylinder body, the inlet and outlet ports are vertically facing upward, and in combination with the climbing conveyor belt, automatic loading can be achieved. By rotating the cylinder body, the inlet and outlet ports are vertically facing downward, and in combination with the trough conveyor belt, automatic transportation of materials to the next process can be achieved, so as to solve the problem that the existing pile-making device requires manual loading and transportation of materials.

[0007] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is:

[0008] A tea pile fermentation device, comprising:

[0009] A support frame, comprising two support columns arranged symmetrically on both sides;

[0010] A fermentation cylinder, comprising a cylinder body and a stirring structure; the cylinder body is cylindrical, and an inlet and outlet are arranged on its outer circumference, and an opening and closing structure is arranged corresponding to the inlet and outlet; the stirring structure comprises a central rod and a plurality of stirring rods, the central rod is coaxially arranged with the cylinder body, and is rotatably passed through the two ends of the cylinder body, and the two ends of the central rod are respectively fixedly connected to two supporting columns; the plurality of stirring rods are arranged in the cylinder body and are evenly arranged on the outer circumference of the central rod; the central rod and the stirring rod are both hollow structures and are interconnected, and the end of the stirring rod away from the central rod is a closed structure; a plurality of nozzles are evenly arranged on the outer circumference of the stirring rod; a temperature sensor is arranged in the middle of the cylinder body;

[0011] A driving motor is arranged on one of the supporting columns and is drivingly connected to the cylinder;

[0012] A humidifying device, the output end of which is connected to a humidifying main pipe, the humidifying main pipe penetrates into the inner cavity of the central rod and is connected to a plurality of humidifying branch pipes, and the plurality of humidifying branch pipes are respectively connected to all the nozzles on the plurality of stirring rods;

[0013] A control device is electrically connected to the temperature sensor, the drive motor and the humidifying device.

[0014] Furthermore, the opening and closing structure is a baffle, a slot is provided on one side of the inlet and outlet, and the baffle is detachably inserted into the slot.

[0015] Furthermore, connecting sleeves are provided at the center positions of both ends of the cylinder, and the center rod passes through two connecting sleeves and is rotatably connected to the connecting sleeves through bearings.

[0016] Furthermore, the driving motor is drivingly connected to one of the connecting sleeves via a belt assembly.

[0017] Furthermore, the control device is a PLC.

[0018] Furthermore, the humidifying device is a steam generating device or an automatic water pumping device.

[0019] Furthermore, the temperature sensor is arranged on the central rod or the stirring rod.

[0020] Furthermore, it also includes a heat absorption device, the suction port of the heat absorption device is connected to a heat absorption main pipe, the heat absorption main pipe penetrates into the inner cavity of the central rod and is connected to a plurality of heat absorption branch pipes; the stirring rod is provided with a heat absorption port, the heat absorption port is located in the middle area of ​​the cylinder, and is provided with a filter screen; the plurality of heat absorption branch pipes are respectively connected to the heat absorption ports on the plurality of stirring rods; the heat absorption device is electrically connected to the control device.

[0021] Furthermore, it also includes a climbing conveyor belt with its own storage hopper, and a collecting hopper is provided at the discharge end of the climbing conveyor belt. The collecting hopper is located above the fermentation cylinder and is opposite to the collecting hopper when the inlet and outlet of the fermentation cylinder are vertically facing upward; the climbing conveyor belt is electrically connected to the control device.

[0022] Furthermore, it also includes a trough conveyor belt, which is located below the fermentation cylinder. When the inlet and outlet of the fermentation cylinder are vertically downward, they are opposite to the trough conveyor belt, and the trough conveyor belt is electrically connected to the control device.

[0023] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0024] 1. The fermentation cylinder of the utility model is provided with a stirring structure, and the stirring function of tea leaves is realized by driving the cylinder to rotate relative to the stirring structure. A plurality of nozzles are evenly arranged on the stirring rod of the stirring structure, and the nozzles are connected to the humidification device through pipes. Compared with the prior art that sets the nozzles on the central axis, the humidification range of the utility model is wider, which can improve the humidification effect and uniformity.

[0025] 2. The stirring structure of the utility model is fixed, and the cylinder rotates relative to the stirring structure during stirring. On the one hand, the rotation of the cylinder can better turn the tea leaves inside it, and the stirring effect is better. On the other hand, the stirring structure does not participate in the rotation, which is beneficial to the connection and distribution of its internal pipes. It has the advantages of simple structure, convenience and practicality.

[0026] 3. The utility model sets a temperature sensor in the cylinder to monitor the temperature of the middle part of the cylinder during tea fermentation. If the temperature is too high, it will be fed back to the control device, and the control device will prompt the operator to cool down to avoid the tea being in a high temperature state for a long time and affecting the fermentation quality of the tea.

[0027] 4. The utility model is provided with a heat absorption device. When the temperature of the tea leaves in the middle of the fermentation cylinder is too high, the operator can choose to absorb heat and cool down or stir and cool down according to the actual situation, so as to avoid the problem that the temperature of the tea leaves is too high for a long time or the tea leaves need to be frequently stirred for cooling.

[0028] 5. The utility model can adjust the direction of the inlet and outlet by driving the cylinder to rotate, so as to facilitate loading and unloading operations. When loading, the inlet and outlet are vertically upward, and when unloading, the inlet and outlet are vertically downward. The utility model is also provided with a climbing conveyor belt and a trough conveyor belt. The inlet and outlet cooperate with the climbing conveyor belt to realize automatic loading, and the inlet and outlet cooperate with the trough conveyor belt to realize automatic transportation to the next process, thereby reducing the workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a front view of the tea pile fermentation device proposed in Example 1 of the utility model;

[0030] Figure 2 This is a schematic diagram of the internal structure of the tea pile fermentation device proposed in Example 1 of the utility model;

[0031] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0032] Figure 4 This is a schematic diagram of the internal structure of the tea pile fermentation device proposed in Example 2 of the utility model;

[0033] Figure 5 for Figure 4 A partial enlarged view of point B in the middle;

[0034] Figure 6 A schematic diagram of feeding the tea pile fermentation device proposed in Example 3 of the utility model;

[0035] Figure 7 A schematic diagram of unloading of the tea pile fermentation device proposed in Example 3 of the utility model;

[0036] Figure 8 A partial cross-sectional view of a tea leaf fermentation device according to Embodiment 3 of the present invention;

[0037] Among them, the markings in the attached drawings are: 1-support column, 2-fermentation cylinder, 3-cylinder, 4-connecting sleeve, 5-inlet and outlet, 6-baffle, 7-center rod, 8-stirring rod, 9-nozzle, 10-temperature sensor, 11-drive motor, 12-belt assembly, 13-humidification device, 14-humidification main pipe, 15-humidification branch pipe, 16-heat absorption device, 17-heat absorption main pipe, 18-heat absorption branch pipe, 19-heat absorption port, 20-climbing conveyor belt, 21-storage hopper, 22-collection hopper, 23-trough conveyor belt, 24-guide plate. DETAILED DESCRIPTION

[0038] 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.

[0039] Example 1

[0040] like Figure 1-3 As shown, a tea pile fermentation device comprises a support frame, a fermentation cylinder 2, a driving motor 11, a humidifying device 13 and a control device. The support frame comprises two support columns 1 which are symmetrically arranged on the left and right.

[0041] The fermentation cylinder 2 includes a cylinder body 3 and a stirring structure. The cylinder body 3 is cylindrical, and an inlet and outlet port 5 is arranged on its outer circumference, and an opening and closing structure is arranged corresponding to the inlet and outlet port 5. The inlet and outlet port 5 is used for feeding and discharging. In the present embodiment, the opening and closing structure is a baffle 6, and a slot is provided on one side of the inlet and outlet port 5, and the baffle 6 is removably inserted in the slot. When the inlet and outlet port 5 needs to be opened, the baffle 6 only needs to be pulled outward. In addition, when discharging, the size of the inlet and outlet port 5 can be adjusted by adjusting the withdrawal length of the baffle 6, thereby adjusting the discharging speed. In other embodiments, the opening and closing structure can also be a flip cover or a threaded cover.

[0042] The stirring structure includes a central rod 7 and a plurality of stirring rods 8. The central rod 7 is coaxially arranged with the cylinder 3 and rotatably penetrates the two ends of the cylinder 3. The two ends of the central rod 7 are respectively fixedly connected to the two support columns 1. Specifically, a connecting sleeve 4 is arranged at the center position of both ends of the cylinder 3. The central rod 7 penetrates the two connecting sleeves 4 and is rotatably connected to the connecting sleeves 4 through bearings.

[0043] A plurality of stirring rods 8 are arranged in the cylinder 3 and are evenly distributed on the outer peripheral surface of the center rod 7. The center rod 7 and the stirring rod 8 are both hollow structures and are interconnected, and the end of the stirring rod 8 away from the center rod 7 is a closed structure. A plurality of nozzles 9 are evenly arranged on the outer peripheral surface of the stirring rod 8. In this embodiment, the stirring structure is provided with ten stirring rods 8, and five nozzles 9 are arranged on each stirring rod 8. Compared with the prior art in which the nozzles 9 are arranged on the central axis, the humidification range of the utility model is wider, which can improve the humidification effect and uniformity.

[0044] A temperature sensor 10 is disposed in the middle of the cylinder 3 , and the temperature sensor 10 is disposed on the central rod 7 or the stirring rod 8 . In this embodiment, the temperature sensor 10 is disposed on the central rod 7 .

[0045] The driving motor 11 is arranged on one of the supporting columns 1 and is in driving connection with the barrel 3. Specifically, the driving motor 11 is in driving connection with one of the connecting sleeves 4 through a belt assembly 12. The utility model drives the barrel 3 to rotate relative to the stirring structure through the driving motor 11 to realize the tea stirring function.

[0046] The output end of the humidifying device 13 is connected to a humidifying main pipe 14, which penetrates into the inner cavity of the central rod 7 and is connected to a plurality of humidifying branch pipes 15, which are respectively connected to all the nozzles 9 on the plurality of stirring rods 8. The humidifying device 13 is a steam generating device or an automatic water pumping device. In this embodiment, the humidifying device 13 is a steam generating device, and the generated steam sequentially passes through the humidifying main pipe 14, the humidifying branch pipe 15 and the nozzle 9 to enter the cylinder 3 and contact the tea leaves, thereby humidifying the tea leaves.

[0047] The stirring structure of the utility model is fixed, and the cylinder 3 rotates relative to the stirring structure during stirring. On the one hand, the rotation of the cylinder 3 can better turn the tea leaves inside it, and the stirring effect is better. On the other hand, the stirring structure does not participate in the rotation, which is beneficial to the connection and distribution of its internal pipes. It has the advantages of simple structure, convenience and practicality.

[0048] The control device is electrically connected to the temperature sensor 10, the drive motor 11 and the humidifying device 13. In this embodiment, the control device is a PLC. The control device has a temperature display function and a high temperature alarm function.

[0049] The utility model sets a temperature sensor 10 in the cylinder 3 to monitor the temperature of the middle part of the cylinder 3 during tea fermentation. If the temperature is too high, it is fed back to the control device, and the control device prompts the operator to cool down to avoid the tea being in a high temperature state for a long time and affecting the fermentation quality of the tea.

[0050] In other embodiments, stirring and cooling can also be performed by automated control. When the temperature of the tea leaves is sensed to be too high, the temperature sensor 10 generates a feedback signal and sends it to the control device. The control device controls the drive motor 11 to rotate, thereby stirring and cooling the tea leaves in the barrel 3.

[0051] Example 2

[0052] like Figure 4-5 As shown, on the basis of Example 1, a tea fermentation device provided in this embodiment also includes a heat absorption device 16, and the suction port of the heat absorption device 16 is connected to a heat absorption main pipe 17, the heat absorption main pipe 17 penetrates into the inner cavity of the center rod 7, and is connected to a plurality of heat absorption branch pipes 18. A heat absorption port 19 is provided on the stirring rod 8, and the heat absorption port 19 is located in the middle area of ​​the cylinder 3, and a filter is provided to prevent tea leaves from entering the heat absorption port 19. A plurality of heat absorption branch pipes 18 are respectively connected to the heat absorption ports 19 on a plurality of stirring rods 8. In this embodiment, each stirring rod 8 is provided with two heat absorption ports 19. The heat absorption device 16 is electrically connected to the control device. The heat absorption device 16 can be a small exhaust fan.

[0053] The utility model is provided with a heat absorption device 16, which can be used to absorb heat. When the temperature of the tea leaves in the middle of the fermentation cylinder 2 is too high, the operator can choose to absorb heat and cool it down or stir and cool it down according to the actual situation, so as to avoid the problem that the temperature of the tea leaves is too high for a long time or the tea leaves need to be frequently stirred for cooling.

[0054] Example 3

[0055] like Figure 6-7 As shown, based on Example 2, a tea pile fermentation device provided in this embodiment further includes a climbing conveyor belt 20 and a trough conveyor belt 23 with a storage hopper 21. The climbing conveyor belt 20 and the trough conveyor belt 23 are both prior art, and their specific structures are not described in detail.

[0056] The discharging end of the climbing conveyor belt 20 is provided with a collecting hopper 22, which is located above the fermentation cylinder 2 and is opposite to the collecting hopper 22 when the inlet and outlet ports 5 of the fermentation cylinder 2 are vertically facing upward. The trough conveyor belt is located below the fermentation cylinder 2 and is opposite to the trough conveyor belt when the inlet and outlet ports 5 of the fermentation cylinder 2 are vertically facing downward. Both the climbing conveyor belt 20 and the trough conveyor belt are electrically connected to the control device.

[0057] The utility model can adjust the direction of the inlet and outlet 5 by driving the cylinder 3 to rotate, so as to perform loading and unloading operations. When loading, the inlet and outlet 5 is vertically upward, and when unloading, the inlet and outlet 5 is vertically downward. The utility model is also provided with a climbing conveyor belt 20 and a trough conveyor belt 23. The inlet and outlet 5 cooperates with the climbing conveyor belt 20 to realize automatic loading, and the inlet and outlet 5 cooperates with the trough conveyor belt 23 to realize automatic transportation to the next process, thereby reducing the workload.

[0058] In this embodiment, two symmetrically arranged guide plates 24 are arranged in the cylinder 3. The guide plates 24 are arranged obliquely, and the higher end thereof is connected to the inner end surface of the cylinder 3, and the lower side thereof is connected to the inlet and outlet 5, so as to guide the tea leaves to the inlet and outlet 5 so as to facilitate the tea leaves to be discharged. In other embodiments, in order to better discharge the tea leaves, the inlet and outlet 5 can also be designed as a funnel-like structure to facilitate the tea leaves to be discharged.

[0059] The above description is a detailed description of the preferred feasible embodiment of the utility model, but the embodiment is not used to limit the scope of the patent application of the utility model. All equivalent changes or modified changes completed under the technical spirit suggested by the utility model should fall within the patent scope covered by the utility model.

Claims

1. A tea leaf fermentation device, characterized in that: include: A support frame, comprising two support columns arranged symmetrically on both sides; A fermentation cylinder, comprising a cylinder body and a stirring structure; the cylinder body is cylindrical, and an inlet and outlet are arranged on its outer circumference, and an opening and closing structure is arranged corresponding to the inlet and outlet; the stirring structure comprises a central rod and a plurality of stirring rods, the central rod is coaxially arranged with the cylinder body, and is rotatably passed through the two ends of the cylinder body, and the two ends of the central rod are respectively fixedly connected to two supporting columns; the plurality of stirring rods are arranged in the cylinder body and are evenly arranged on the outer circumference of the central rod; the central rod and the stirring rod are both hollow structures and are interconnected, and the end of the stirring rod away from the central rod is a closed structure; a plurality of nozzles are evenly arranged on the outer circumference of the stirring rod; a temperature sensor is arranged in the middle of the cylinder body; A driving motor is arranged on one of the supporting columns and is drivingly connected to the cylinder; A humidifying device, the output end of which is connected to a humidifying main pipe, the humidifying main pipe penetrates into the inner cavity of the central rod and is connected to a plurality of humidifying branch pipes, and the plurality of humidifying branch pipes are respectively connected to all the nozzles on the plurality of stirring rods; A control device is electrically connected to the temperature sensor, the drive motor and the humidifying device.

2. A tea pile fermentation device according to claim 1, characterized in that: The opening and closing structure is a baffle, and a slot is provided on one side of the inlet and outlet, and the baffle can be detachably inserted into the slot.

3. A tea pile fermentation device according to claim 1, characterized in that: Connecting sleeves are arranged at the center positions of both ends of the cylinder, and the center rod passes through two connecting sleeves and is rotatably connected to the connecting sleeves through bearings.

4. A tea pile fermentation device according to claim 3, characterized in that: The driving motor is drivingly connected to one of the connecting sleeves via a belt assembly.

5. The tea leaf fermentation device according to claim 1, characterized in that: The control device is a PLC.

6. A tea pile fermentation device according to claim 1, characterized in that: The humidifying device is a steam generating device or an automatic water pumping device.

7. A tea pile fermentation device according to claim 1, characterized in that: The temperature sensor is arranged on the central rod or the stirring rod.

8. The tea pile fermentation device according to claim 1, characterized in that: It also includes a heat absorption device, the suction port of the heat absorption device is connected to a heat absorption main pipe, the heat absorption main pipe penetrates into the inner cavity of the central rod and is connected to a plurality of heat absorption branch pipes; the stirring rod is provided with a heat absorption port, the heat absorption port is located in the middle area of ​​the cylinder body and is provided with a filter screen; the plurality of heat absorption branch pipes are respectively connected to the heat absorption ports on the plurality of stirring rods; the heat absorption device is electrically connected to the control device.

9. A tea pile fermentation device according to claim 1, characterized in that: It also includes a climbing conveyor belt with its own storage hopper. The discharging end of the climbing conveyor belt is provided with a collecting hopper, which is located above the fermentation cylinder and is opposite to the collecting hopper when the inlet and outlet of the fermentation cylinder are vertically facing upwards; the climbing conveyor belt is electrically connected to the control device.

10. A tea leaf fermentation device according to claim 9, characterized in that: It also includes a trough conveyor belt, which is located below the fermentation cylinder. When the inlet and outlet of the fermentation cylinder are vertically downward, they are opposite to the trough conveyor belt, and the trough conveyor belt is electrically connected to the control device.

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