Rotary tobacco leaf moisture regaining device

Abstract

The utility model discloses a rotary tobacco leaf moisture regaining device which comprises a moisture regaining unit which comprises a moisture regaining box with a moisture regaining channel, a moisture spraying pipe arranged in the moisture regaining channel in the length direction and a humidifier connected with the moisture spraying pipe, and the two ends of the moisture regaining channel are an inlet end and an outlet end respectively. The rotation unit comprises supports installed in the length direction of the moisture regaining channel at intervals, a conveyor erected on the supports and tobacco bearing frames installed on the conveyor at intervals, and the tobacco bearing frames can rotate in the moisture regaining channel along with the conveyor; according to the moisture regaining device, efficient and continuous moisture regaining treatment of the tobacco leaves can be achieved, corresponding moisture regaining treatment can be conducted on the tobacco leaves at different positions in the moisture regaining channel, and the moisture regaining treatment quality is improved.

Description

Technical Field

[0001] This utility model relates to a rotary tobacco leaf rehumidification device, belonging to the technical field of tobacco leaf rehumidification. Background Technology

[0002] Tobacco leaf rehumidification refers to the rehumidification treatment of flue-cured tobacco leaves. Flue-cured tobacco is a physical and chemical process in which fresh tobacco leaves undergo continuous dehydration and drying under artificially provided temperature and humidity conditions. The curing process consists of three stages: yellowing, color fixing, and drying of the tobacco leaves. After drying, the tobacco leaves have a very low moisture content, generally between 5% and 8%, making them extremely fragile and unsuitable for processing such as unloading, unloading, and grading. Therefore, rehumidification is essential. Currently, rehumidification is mainly achieved by introducing moisture into the tobacco loading chamber or transferring the tobacco leaves to a rehumidification chamber. However, these methods suffer from low efficiency and insufficient precision in the rehumidification process. Utility Model Content

[0003] Based on the above, this utility model provides a highly efficient and precise rotary tobacco leaf rehumidification device to overcome the shortcomings of the prior art.

[0004] The technical solution of this utility model is: a rotary tobacco leaf rehumidification device, comprising:

[0005] The rehumidification unit includes a rehumidification box with a rehumidification channel, a spray pipe arranged along the length of the rehumidification channel, and a humidifier connected to the spray pipe. The two ends of the rehumidification channel are the inlet end and the outlet end, respectively.

[0006] The rotary unit includes supports spaced apart along the length of the rehumidification channel, a conveyor mounted on the supports, and smoke-collecting frames spaced apart on the conveyors. The smoke-collecting frames can rotate with the conveyors within the rehumidification channel.

[0007] In one example, the system also includes multiple moisture-proof plates spaced apart within the rehumidification channel, which divide the rehumidification channel into a front rehumidification section, a middle rehumidification section, and a rear rehumidification section from front to back. The moisture-proof plates are provided with through holes for the conveyor and the smoke rack to pass through.

[0008] In one example, the pre-moistening section, the middle-moistening section, and the post-moistening section are each independently equipped with the spray pipe.

[0009] In one example, the spray pipes are arranged on the left and right opposite sides of the rehumidification channel, and the spray pipes are provided with spray holes.

[0010] In one example, humidity sensors are installed in the pre-humidification section, the middle-humidification section, and the post-humidification section. The humidity sensors are electrically connected to the controller, and the controller is electrically connected to the humidifier.

[0011] In one example, the conveyor is a chain conveyor, and the smoke rack includes a base fixed between two chains on the chain conveyor, hanging rods fixed at both ends of the base, and hooks formed at the free ends of the hanging rods.

[0012] In one example, the dehumidification box is equipped with wheels at the bottom.

[0013] The beneficial effects of this invention are as follows: The rehumidification device, composed of a rehumidification unit and a rotation unit, allows the tobacco leaves to be rehumidified after baking to be hung on a tobacco support frame from the inlet end. A conveyor then moves the leaves forward gradually, where they are treated by moisture sprayed from the spray pipes within the rehumidification channel. After completion, the leaves are removed from the outlet end, and the tobacco support frame rotates back to the outlet end. This rehumidification device not only achieves efficient and continuous rehumidification of tobacco leaves but also allows for appropriate rehumidification treatment of tobacco leaves at different locations within the rehumidification channel, thus improving the quality of the rehumidification process. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of a rotary tobacco leaf rehumidification device.

[0015] Figure 2 This is a schematic diagram of a smoke collection rack;

[0016] Explanation of reference numerals in the attached figures:

[0017] Rehumidification unit: 11 Rehumidification box, 111 Rehumidification channel, 112 Inlet end, 113 Outlet end, 12 Spray pipe, 121 Spray hole, 13 Humidifier, 14 Humidity sensor, 15 Wheels;

[0018] Rotary unit: 21 bracket, 22 conveyor, 23 smoke rack, 231 base, 232 hanging rod, 233 hook, 24 moisture barrier. Detailed Implementation

[0019] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0020] Please see Figure 1 and Figure 2 This embodiment provides a rotary tobacco leaf rehumidification device, which includes a rehumidification unit and a rotary unit.

[0021] The rehumidification unit includes a rehumidification box 11 with a rehumidification channel 111, a spray pipe 12 arranged along the length of the rehumidification channel 111, and a humidifier 13 connected to the spray pipe 12. The humidifier 13 is installed on the top of the rehumidification box 11, with an inlet end 112 and an outlet end 113 at both ends of the rehumidification channel 111 for hanging and taking away smoke. The spray pipe 12 is arranged on the left and right opposite sides of the rehumidification channel 111, and spray holes 121 are arranged on the spray pipe 12, so that the mist generated by the humidifier 13 can enter the rehumidification channel 111 through the spray pipe 12 and the spray holes 121 to realize the humidification operation.

[0022] The rotary unit includes a support 21 spaced along the length of the rehumidification channel 111, a conveyor 22 mounted on the support 21, and a smoke-collecting frame 23 spaced along the conveyor 22. The conveyor 22 is a chain conveyor. The smoke-collecting frame 23 includes a base 231 fixed between two chains on the chain conveyor, hanging rods 232 vertically fixed at both ends of the base 231, and hooks 233 formed at the free ends of the hanging rods 232. The smoke rods can be hung on the two hooks 233. When the conveyor 22 is working, the smoke-collecting frame 23 can rotate with the conveyor 22 in the rehumidification channel 111.

[0023] The rehumidification device, composed of a rehumidification unit and a rotation unit, allows the tobacco leaves awaiting rehumidification after baking to be hung on the tobacco support frame 23 from the inlet end 112. The conveyor 22 drives the leaves forward gradually, where they are treated by moisture sprayed from the spray pipe 12 within the rehumidification channel 111, achieving rehumidification. After completion, the leaves are removed from the outlet end 113, and the tobacco support frame 23 rotates back to the outlet end 113. This rehumidification device not only enables efficient and continuous rehumidification of tobacco leaves but also allows for appropriate rehumidification treatment of tobacco leaves at different locations within the rehumidification channel 111, greatly improving the quality of the rehumidification process.

[0024] To improve the rehumidification effect, this device also includes multiple moisture-proof plates 24 spaced apart within the rehumidification channel 111. These moisture-proof plates 24 divide the rehumidification channel 111 into a pre-rehumidification section, a middle rehumidification section, and a post-rehumidification section from front to back. The moisture-proof plates 24 have through holes for the conveyor 22 and the tobacco rack 23 to pass through, thus forming different relatively enclosed rehumidification spaces within the rehumidification channel 111, allowing for corresponding rehumidification treatment of tobacco leaves at different stages. Specifically, each of the pre-rehumidification section, the middle rehumidification section, and the post-rehumidification section is independently equipped with a spray pipe 12 and a humidity sensor 14. The humidity sensor 14 is electrically connected to a controller, which is electrically connected to a humidifier 13, allowing for relatively independent control of the humidity in each section. By using the moisture-proof plates 24, the independently installed spray pipes 12, and the humidity sensors 14, the tobacco leaf rehumidification is divided into multiple stages and controlled independently, which helps to improve the rehumidification effect.

[0025] For example, in the early stage of tobacco leaf rehydration, the humidity requirement is relatively high, generally between 60% and 70%. This high humidity environment helps the tobacco leaves begin to absorb moisture, gradually recovering from a dry state to a softer state, laying the foundation for the subsequent rehydration process. In the middle stage of rehydration, the tobacco leaves have already absorbed a certain amount of moisture. At this time, a relatively stable humidity environment needs to be maintained to ensure that the tobacco leaves continue to absorb moisture evenly, avoiding unevenness caused by rehydration being too fast or too slow. Generally, the humidity at this stage should be controlled between 60% and 70%, basically consistent with the humidity requirements in the early stage. In the later stage of rehydration, the moisture content of the tobacco leaves is close to the target value. At this time, the humidity needs to be appropriately reduced to avoid excessive rehydration leading to excessively high moisture content, which would affect its storage and processing performance. The humidity in the later stage is usually controlled between 55% and 65%, which allows for precise control of the final moisture content of the tobacco leaves, bringing them to their optimal processing state.

[0026] In this embodiment, the humidifier can be an ultrasonic humidifier, an electric heating humidifier, or the like. The bottom of the rehumidification box 11 is equipped with casters 15 for easy movement.

[0027] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A rotary tobacco leaf conditioning device characterized by, The moisture regaining unit comprises a moisture regaining box (11) with a moisture regaining channel (111), a wet pipe (12) arranged in the length direction of the moisture regaining channel (111), and a humidifier (13) connected with the wet pipe (12), and the two ends of the moisture regaining channel (111) are an inlet end (112) and an outlet end (113) respectively. The rotating unit comprises a support (21) installed in the length direction of the moisture regaining channel (111) at intervals, a conveyor (22) arranged on the support (21), and a tobacco supporting frame (23) installed on the conveyor (22) at intervals, and the tobacco supporting frame (23) can rotate in the moisture regaining channel (111) following the conveyor (22). A plurality of moisture isolation plates (24) are arranged in the moisture regaining channel (111) at intervals, the moisture regaining channel (111) is divided into a front moisture regaining section, a middle moisture regaining section and a rear moisture regaining section from front to back in sequence, and the moisture isolation plates (24) are provided with through holes for the conveyor (22) and the tobacco supporting frame (23) to pass through.

2. The rotary tobacco leaf conditioning device of claim 1, wherein, The wet pipe (12) is arranged on the left and right opposite sides of the moisture regaining channel (111), and the wet pipe (12) is provided with a wet pipe hole (121).

3. The rotary tobacco leaf conditioning device of claim 2, wherein, The front moisture regaining section, the middle moisture regaining section and the rear moisture regaining section are each independently provided with the wet pipe (12).

4. The rotary tobacco leaf conditioning device of claim 3, wherein, The conveyor (22) is a chain conveyor, the tobacco supporting frame (23) comprises a base (231) fixed between two chains of the chain conveyor, a hanging rod (232) fixed at both ends of the base (231), and a hook (233) formed at the free end of the hanging rod (232).

5. The rotary tobacco leaf conditioning device of claim 2, wherein, The bottom of the moisture regaining box (11) is provided with a traveling wheel (15).

6. The rotary tobacco leaf conditioning device of claim 1 wherein, ​ 7. The rotary tobacco leaf conditioning device of claim 1 wherein, ​

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