Ventilation structure for balancing humidity in cigar tobacco leaf air-curing room

By designing ventilation structures of ventilators, rain sheds, air ducts and deflectors in the cigar leaf drying room, uniform humidity control is achieved, the tobacco leaf problem caused by uneven humidity is solved, and the drying quality and quality are improved.

CN119235040APending Publication Date: 2025-01-03CHINA JILIANG UNIV
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202411599033.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-01-03

AI Technical Summary

Technical Problem

The existing cigar leaf drying room design leads to uneven humidity, resulting in mold, rot or cracking of the tobacco leaves, affecting product quality.

Method used

A ventilation structure including a ventilator, a rain shed, air duct, air outlet, deflector and return air outlet is designed. Through the airflow circulation mode and narrow tube effect of the side-sending airflow, uniform control and precise adjustment of humidity are achieved.

Benefits of technology

It effectively avoids the uneven color and cracking of tobacco leaves, improves humidity uniformity, significantly improves the drying quality and quality of cigar tobacco leaves, and reduces the scrapping rate.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119235040A_ABST
    Figure CN119235040A_ABST
Patent Text Reader

Abstract

The invention relates to a ventilation structure for balancing humidity in a cigar tobacco leaf air-curing room, and belongs to the technical field of cigar tobacco leaf air-curing. The air-curing room structure comprises an air-curing area and a ventilation area, the air-curing area is provided with a tobacco leaf air-curing beam, an observation door, a controllable opening window and a tobacco leaf arrangement area, and the ventilation area comprises a ventilator, an air duct, an air outlet, a flow guide plate, an air return opening and a rainproof shed. The ventilator supplies air through the air duct, and the air duct, the air outlet and the guide plate are connected to the airing area to uniformly introduce fresh air into the airing room; the airing area and the ventilation area form a side-feeding and upper-discharging airflow circulation mode through an air return opening in the top. By means of the design, the problem that local tobacco leaves crack due to direct blowing of a ventilator is effectively solved, humidity uniformity in the air-curing room is promoted, and the overall air-curing quality of the cigar tobacco leaves is remarkably improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to a ventilation structure for balancing humidity in a cigar tobacco leaf airing room, and belongs to the field of cigar tobacco leaf airing. Background Art

[0002] Cigars are an important economic crop, and the drying process has a significant impact on the final quality. In this process, humidity is a key factor affecting the quality of tobacco leaves. Too high humidity may cause tobacco leaves to mold or rot, while too low humidity may cause tobacco leaves to crack, which directly affects the quality of the product. Therefore, as the main place for tobacco leaves to dry, the optimized design of the structure of the cigar tobacco drying room can not only improve the drying quality of cigars, but also reduce the capital investment required for the transformation of traditional drying rooms.

[0003] At present, the design of cigar tobacco drying rooms mainly focuses on the convenience of construction and the reduction of capital investment, but does not fully consider the environment required for cigar tobacco drying. This causes the ventilator to blow air directly onto the cigar tobacco leaves, causing problems such as uneven color and cracking of local tobacco leaves. At the same time, the uneven distribution of air flow in the drying room further leads to uneven overall humidity, which affects the color of cigar tobacco leaves during drying and increases the scrap rate. In order to solve these problems, a new ventilation structure for the drying room was designed to optimize the uniformity of the humidity field in the drying room and improve the overall drying quality. Summary of the invention

[0004] The invention relates to a ventilation structure for balancing humidity in a cigar and tobacco leaf drying room.

[0005] The specific technical solutions adopted by the present invention are as follows:

[0006] A ventilation structure for balancing humidity in a cigar tobacco drying room belongs to the field of cigar tobacco drying, and includes a drying area and a ventilation area. The drying area includes a tobacco drying beam, an observation door, a controllable opening window, and a tobacco leaf arrangement area. The ventilation area is located above and below the drying area, and includes a ventilator, a rain shelter, an air duct, an air outlet, a guide plate, and a return air outlet. The ventilator supplies air through the air duct, and the air duct, the air outlet, and the guide plate are connected to the drying area to evenly introduce fresh air into the drying room. The drying area forms a side-supplied and upper-discharged airflow circulation mode with the ventilation system through the return air outlet at the top.

[0007] There is a rainproof awning on the top of the drying room.

[0008] The advantages and positive effects of the present invention are as follows:

[0009] (1) The present invention places the fan axially in front of and behind the air duct, and uses a guide plate to guide the wind direction, so that the tobacco leaves will not be directly blown by the fan during the drying process, reducing the problems of uneven color and cracking of the tobacco leaves.

[0010] (2) The present invention arranges air ducts in the middle and bottom of the air-drying room, so that the humid air deposited under the air-drying room can be stirred and evenly pushed to the air-drying area of ​​the air-drying room, so that the humidity in the air-drying area of ​​the air-drying room is consistent, thereby improving the overall air-drying effect.

[0011] (3) The present invention adopts a side delivery and upper exhaust method, and the ventilator automatically controls the air volume to control the humidity of the entire drying room. The narrow tube effect is used to discharge excess humid air in the drying area, thereby achieving precise control of the different humidity required for different stages of cigar tobacco drying. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] When considered in conjunction with the accompanying drawings, the present invention can be better understood and the advantages thereof can be easily known by referring to the following detailed description, but the drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention, wherein:

[0013] Figure 1 It is a side view of the present invention.

[0014] Figure 2 It is a cross-sectional view of the return air outlet of the present invention.

[0015] Figure 3 It is a side view of the air duct of the present invention.

[0016] Figure 4 This is a simulation comparison diagram of the present invention.

[0017] Figure 5 This is a drying effect diagram of the present invention.

[0018] In the figure: ventilator 1, tobacco drying beam 2, observation door 3, controllable opening window 4, rainproof shed 5, return air outlet 6, air duct 7, air outlet 8, guide plate 9, simulation model cigar tobacco leaves 10, simulation model fan layout area 11, simulation model air duct 12, simulation model guide plate 13. DETAILED DESCRIPTION

[0019] The present invention is further described below with reference to the accompanying drawings using an embodiment, but this embodiment is merely illustrative and the protection scope of the present invention is not limited by this embodiment.

[0020] Combination Figure 1 , Figure 2 , Figure 3A novel ventilation structure for cigar tobacco drying room is described in detail: A ventilation structure for balancing humidity in a cigar tobacco drying room includes a ventilation area and a drying area. The ventilation area includes a ventilator 1, a rain shelter 5, a return air port 6, an air duct 7, an air outlet 8, and a guide plate 9. The drying area includes a tobacco drying beam 2, an observation door 3, and a controllable opening window 4. The ventilator 1 has a frequency conversion control function, which can automatically sense the indoor humidity, and adjust the air volume according to the required humidity, and evenly deliver the generated fresh air to the drying area through the air duct 7, the air outlet 8, and the guide plate 9.

[0021] The present invention proposes a ventilation structure for balancing humidity in a cigar tobacco drying room, which facilitates the transformation of the original drying room and significantly improves the uniformity of humidity inside the drying room. Figure 4 As shown, except for the simulation model fan arrangement area 11, the humidity in other areas of the original drying room is relatively high, especially the simulation model cigar tobacco leaf 10 part. The humidity is difficult to discharge, which can easily lead to problems such as mildew or rot of the cigar tobacco leaves. After optimization, the humidity inside the drying room is significantly improved. The fresh air passes through the simulation model air duct 12 and the simulation model guide plate 13, so that the humid air can flow in the entire drying room, maintaining the humidity balance of the simulation model cigar tobacco leaves 10 and effectively avoiding the risk of mildew. By reasonably designing the fan position and guide plate, the uneven color and cracking of the cigar tobacco leaves caused by direct blowing of the fan can be avoided. Figure 5 The cigar tobacco leaves dried in the original drying room are uneven in color and partially moldy. The cigar tobacco leaves dried in the optimized drying room are uniform in color and of good quality, and the overall drying effect has been significantly improved.

[0022] The above examples are only used to help understand the core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A ventilation structure for balancing humidity in a cigar tobacco drying room, comprising a ventilation area and a drying area, characterized in that: The ventilation area includes a ventilator 1, a rainproof canopy 5, a return air port 6, an air duct 7, an air outlet 8, and a guide plate 9, and the air-drying area includes a smoke-drying beam 2, an observation door 3, and a controllable opening window 4.

2. The ventilation structure for balancing humidity in a cigar tobacco drying room according to claim 1, characterized in that: The air ducts are distributed in the middle and lower parts of both sides of the air drying room, the ventilator is placed on the air inlet side of the air duct, and the connection angle between the guide plate and the air outlet is 45 degrees.

3. The ventilation structure for balancing humidity in a cigar tobacco drying room according to claim 1, characterized in that: Use guide plates to guide the fresh air delivered by the ventilator into the drying room to avoid problems such as cracking and uneven color of cigar leaves in some drying areas caused by direct blowing of the fan.

4. The ventilation structure for balancing humidity in a cigar tobacco drying room according to claim 1, characterized in that: The side-supply and upper-exhaust method is adopted, and the humid air deposited in the middle and lower parts is stirred by a ventilator to circulate the indoor air, so that the humid air is evenly distributed throughout the drying room. A narrow pipe effect is formed through the top of the drying room and the rainproof awning, and the excess humid air is discharged from the return air outlet.