Hidden dehumidification fresh air duct structure applied to tobacco dryer
By designing a hidden dehumidification fresh air duct structure on the tobacco dryer, and using the combination of air valve and small evaporator, the problem of moisture in the fresh air affecting the drying effect is solved, and efficient dehumidification and drying effect is achieved.
Patent Information
- Application Number
- CN202420956704.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-05-06
AI Technical Summary
During the tobacco drying process, water molecules in fresh air exist, affecting the drying effect of the tobacco dryer.
A hidden dehumidification fresh air duct structure is designed, which flows in from the ventilation mesh on the upper air duct sealing plate and the side air duct sealing plate through external fresh air. When passing through the air valve and small evaporator, the temperature of the fresh air drops, and the water molecules are absorbed and liquefied, thereby achieving the dehumidification function.
Effectively removes moisture from fresh air, improves the drying effect of the tobacco dryer, and ensures the drying quality of the tobacco.
Smart Images

Figure CN223008422U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tobacco drying, in particular to a hidden dehumidifying fresh air duct structure applied to a tobacco dryer. Background Technique
[0002] As an important raw material for cigarettes, tobacco belongs to the genus Nicotiana of the Solanaceae family, and is an annual or limited perennial herb. After harvesting, it needs to be dried by sunning or baking, so as to obtain finished products through subsequent processing. During the drying process of tobacco, since there are water molecules in the fresh air, it will affect the drying effect of the tobacco dryer on tobacco. Content of the Utility Model
[0003] In order to solve the defects existing in the prior art, the utility model provides a hidden dehumidifying fresh air duct structure applied to a tobacco dryer.
[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0005] A hidden dehumidifying fresh air duct structure applied to a tobacco dryer of the utility model includes an external machine component and an internal machine component. The external machine component includes an external machine housing connected to the internal machine component. A horizontal partition is provided at the upper end of the external machine housing, and an upper air duct sealing plate is provided at the top of the external machine housing. And side air duct sealing plates connected to the partition are provided on three side walls of the external machine housing. Ventilation mesh holes are provided on the upper air duct sealing plate and the two opposite side air duct sealing plates. An air valve and a small evaporator are installed in the cavity formed by the external machine housing, the partition, the upper air duct sealing plate and the three side air duct sealing plates.
[0006] As a preferred technical solution of the utility model, a heat exchange core is further installed in the cavity formed by the external machine housing, the partition, the upper air duct sealing plate and the three side air duct sealing plates.
[0007] As a preferred technical solution of the utility model, the small evaporator is arranged between the air valve and the heat exchange core.
[0008] As a preferred technical solution of the utility model, a first baffle is provided in the cavity formed by the external machine housing, the partition, the upper air duct sealing plate and the three side air duct sealing plates, and the air valve is installed on the first baffle.
[0009] As a preferred technical solution of the utility model, a second baffle is provided in the cavity formed by the external machine housing, the partition, the upper air duct sealing plate and the three side air duct sealing plates behind the first baffle, and the small evaporator is installed on the second baffle.
[0010] The beneficial effects of the utility model are:
[0011] The hidden dehumidifying fresh air duct structure applied to a tobacco dryer allows external fresh air to flow in through the ventilation mesh holes on the upper air duct sealing plate and the two opposite side air duct sealing plates on both sides. After passing through the air valve and then through the small evaporator, the temperature of the fresh air drops. The water molecules in the fresh air are liquefied by absorbing heat and separated from the fresh air, thus realizing the dehumidification function and achieving a good dehumidification effect, which ensures the drying effect of the tobacco dryer on tobacco. Brief Description of the Drawings
[0012] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings:
[0013] Figure 1 is a schematic structural view of a hidden dehumidifying fresh air duct structure applied to a tobacco dryer according to the present invention;
[0014] Figure 2 is an exploded structural view of a hidden dehumidifying fresh air duct structure applied to a tobacco dryer according to the present invention;
[0015] Figure 3 is a top view structural view of a hidden dehumidifying fresh air duct structure applied to a tobacco dryer according to the present invention;
[0016] Figure 4 is a front view structural sectional view of a hidden dehumidifying fresh air duct structure applied to a tobacco dryer according to the present invention.
[0017] In the figures: 1, external machine assembly; 2, internal machine assembly; 3, external machine housing; 4, partition; 5, upper air duct sealing plate; 6, side air duct sealing plate; 7, ventilation mesh hole; 8, air valve; 9, small evaporator; 10, heat exchange core; 11, first baffle; 12, second baffle. Detailed Description of the Preferred Embodiments
[0018] The following is a description of the preferred embodiments of the present invention with reference to the drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present invention and are not intended to limit the present invention.
[0019] Embodiment: As Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown in the figure, a concealed dehumidifying fresh air duct structure applied to a tobacco dryer of the present utility model includes an external unit assembly 1 and an internal unit assembly 2. The external unit assembly 1 includes an external unit housing 3 connected to the internal unit assembly 2. A horizontal partition 4 is provided at the upper end of the external unit housing 3. An upper air duct sealing plate 5 is provided at the top of the external unit housing 3. And side air duct sealing plates 6 connected to the partition 4 are provided on three side walls of the external unit housing 3. Ventilation mesh holes 7 are provided on the upper air duct sealing plate 5 and two opposite side air duct sealing plates 6. An air valve 8 and a small evaporator 9 are installed in the cavity formed by the external unit housing 3, the partition 4, the upper air duct sealing plate 5 and the three side air duct sealing plates 6. External fresh air flows in through the ventilation mesh holes 7 on the upper air duct sealing plate 5 and the two opposite side air duct sealing plates 6 on both sides. After passing through the air valve 8 and then through the small evaporator 9, the temperature of the fresh air drops. The water molecules in the fresh air are liquefied by absorbing heat and separated from the fresh air in the form of water droplets, thus realizing the dehumidifying function and achieving a good dehumidifying effect, thereby ensuring the drying effect of the tobacco dryer on tobacco.
[0020] Among them, a heat exchange core 10 is also installed in the cavity formed by the external unit housing 3, the partition 4, the upper air duct sealing plate 5 and the three side air duct sealing plates 6. The small evaporator 9 is arranged between the air valve 8 and the heat exchange core 10.
[0021] Among them, a first baffle 11 is provided in the cavity formed by the external unit housing 3, the partition 4, the upper air duct sealing plate 5 and the three side air duct sealing plates 6. The air valve 8 is installed on the first baffle 11.
[0022] Among them, a second baffle 12 is provided in the cavity formed by the external unit housing 3, the partition 4, the upper air duct sealing plate 5 and the three side air duct sealing plates 6 behind the first baffle 11. The small evaporator 9 is installed on the second baffle 12.
[0023] During operation, for this concealed dehumidifying fresh air duct structure applied to a tobacco dryer, external fresh air flows in through the ventilation mesh holes 7 on the upper air duct sealing plate 5 and the two opposite side air duct sealing plates 6 on both sides. After passing through the air valve 8 and then through the small evaporator 9, the temperature of the fresh air drops. The water molecules in the fresh air are liquefied by absorbing heat and separated from the fresh air in the form of water droplets, thus realizing the dehumidifying function and achieving a good dehumidifying effect, thereby ensuring the drying effect of the tobacco dryer on tobacco.
[0024] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A hidden dehumidification fresh air duct structure used in a tobacco dryer, comprising an external machine component (1) and an internal machine component (2), wherein the external machine component (1) comprises an external machine housing (3) connected to the internal machine component (2), characterized in that: A horizontal partition (4) is provided at the upper end of the outer casing (3), an upper air duct sealing plate (5) is provided at the top end of the outer casing (3), and three side walls of the outer casing (3) are each provided with a side air duct sealing plate (6) connected to the partition (4), the upper air duct sealing plate (5) and two opposite side air duct sealing plates (6) are each provided with a ventilation mesh (7), and a wind valve (8) and a small evaporator (9) are installed in a cavity formed by the outer casing (3), the partition (4), the upper air duct sealing plate (5) and the three side air duct sealing plates (6).
2. A hidden dehumidification fresh air duct structure used in a tobacco dryer according to claim 1, characterized in that: A heat exchange core (10) is also installed in the cavity formed by the outer casing (3), the partition (4), the upper air duct sealing plate (5) and the three side air duct sealing plates (6).
3. A hidden dehumidification fresh air duct structure used in a tobacco dryer according to claim 2, characterized in that: The small evaporator (9) is arranged between the air valve (8) and the heat exchange core (10).
4. The hidden dehumidification fresh air duct structure used in a tobacco dryer according to claim 1 is characterized in that: A first baffle (11) is provided in a cavity formed by the outer housing (3), the partition (4), the upper air duct sealing plate (5) and the three side air duct sealing plates (6), and the air valve (8) is mounted on the first baffle (11).
5. The hidden dehumidification fresh air duct structure used in a tobacco dryer according to claim 1 is characterized in that: A second baffle (12) located behind the first baffle (11) is provided in a cavity formed by the outer housing (3), the partition (4), the upper air duct sealing plate (5) and the three side air duct sealing plates (6), and the small evaporator (9) is mounted on the second baffle (12).