Double-layer tobacco leaf storage device

Abstract

The invention provides a double-layer tobacco storage device, comprising: a storage device; the storage device is composed of a base film, a film cover and a surrounding film; an air inlet pipe and an air outlet pipe are arranged on the storage device; the lower edge of the film cover is sealed and connected with the base film, and a closed space is formed inside the film cover; the surrounding film is arranged in the closed space, the top of the surrounding film is sealed and connected with the film cover, and the lower end overlaps and fits with the base film; the surrounding film divides the closed space into a tobacco storage space for storing cigarette piles, and a buffer space located outside the tobacco storage space; the device can effectively reduce the influence of the external environment on the inside of the tobacco storage space, and increase the time for which the suitable temperature and humidity inside the tobacco storage space are maintained; the storage device can also adjust the temperature and humidity inside the double-layer tobacco storage device by connecting a humidifying device or a temperature and humidity regulating device, so that the inside of the tobacco storage space reaches the best tobacco aging environment.

Description

Technical Field

[0001] The invention relates to the field of tobacco leaf storage, and in particular to a double-layer tobacco leaf storage device. Background Art

[0002] Tobacco is one of the important cash crops in my country and an important processing raw material for the cigarette industry, with huge economic value. After the tobacco leaves are harvested and baked, they are generally stored and aged for about 2 years in order to remove the green smell of the tobacco leaves, reduce the irritation of the taste, improve the aroma quality of the taste, and harmonize the chemical composition inside the tobacco leaves. Tobacco aging is a very complex process of comprehensive material transformation inside the tobacco leaves, which integrates chemical changes, enzymatic reactions and microbial actions. The tobacco aging process is mainly affected by external factors such as temperature, humidity, and oxygen concentration.

[0003] According to existing scientific research reports, the quality and speed of natural aging of tobacco leaves are best when the aging process is completed in a closed space with a relative humidity of 55-65% and a temperature of 20-30°C. However, in northern my country, the winter lasts for a long time (6 months), the ambient temperature is low, and the humidity is also low. As a result, the tobacco leaves of most cigarette companies in northern my country are affected by the ambient temperature and humidity during storage, and the aging speed of tobacco leaves is relatively slow.

[0004] At present, in order to solve the problem of low temperature and low humidity in winter, the relatively strong enterprises in the northern region will install large-scale temperature and humidity control equipment to adjust the temperature and humidity of the warehouse to ensure the normal aging speed and quality of tobacco leaves. Most of the remaining enterprises can only let nature take its course, that is, they can only wait for the tobacco leaves to complete the aging process in a natural temperature and humidity environment. The way to control the temperature and humidity by installing large-scale temperature and humidity control equipment requires a huge investment in construction costs, and secondly, it consumes a lot of electricity continuously, and the operation and maintenance costs are high; the way to let nature take its course and wait for the tobacco leaves to complete the aging by themselves does not require construction costs or energy consumption costs, but the aging time of tobacco leaves in the warehouse is too long, which greatly reduces the turnover efficiency of the warehouse on the one hand, and on the other hand, the tobacco leaves cannot be produced and used quickly, resulting in a large amount of capital occupation. In addition, in the summer, under the high temperature and high humidity conditions of the tobacco warehouse in the south, especially the stacking along the windows on the west side of the warehouse is exposed to the sun, and the temperature in the stack is as high as 40°C, which is extremely unfavorable for the aging of tobacco leaves. Summary of the invention

[0005] In view of this, the object of the present invention is to provide a double-layer tobacco storage device, which has low material consumption and is easy to operate; while reducing the impact of the external environment on the tobacco storage space, it can also regulate the temperature and humidity in the tobacco storage space.

[0006] The technical solution adopted by the present invention to solve its technical problem is:

[0007] Provided is a double-layer tobacco leaf storage device, comprising: a storage device; the storage device is composed of a base film, a film cover, and a surrounding film;

[0008] The storage device is provided with an air inlet pipe and an air outlet pipe;

[0009] The lower edge of the film cover is sealed with the bottom film, and the interior thereof forms a closed space;

[0010] The surrounding film is arranged in a closed space, the top of which is sealed and connected to the film cover, and the bottom of which overlaps and fits with the bottom film;

[0011] The surrounding film divides the enclosed space into a tobacco leaf storage space for storing tobacco stacks and a buffer space located outside the tobacco leaf storage space.

[0012] Preferably, the storage device is also provided with a humidifying device or a temperature and humidity regulating device for regulating the temperature and humidity of the environment in the storage space; a temperature and humidity detector is provided inside the storage device; wherein the temperature and humidity regulating device can adopt a technical solution in the prior art, such as CN102423107B_A combined temperature and humidity control method in a method for mechanically humidifying stored tobacco leaves in dry and cold seasons (paragraphs

[0024] to

[0030] in the specification).

[0013] Preferably, the humidifying device comprises a blower and a humidifier which are connected to the air inlet pipe and located outside the tobacco storage device, and the blower and the humidifier are connected in series or in parallel; the humidifying device increases the humidity in the buffer space by transporting humidified gas into the tobacco storage device.

[0014] Preferably, the buffer space is provided with a humidification pipeline connected with the air inlet pipe, the humidification pipeline is arranged around the surrounding membrane, and humidification holes are provided at intervals.

[0015] Preferably, the humidifying device is composed of a humidifying pipeline, a liquid inlet device, and an atomizing component; the humidifying pipeline is arranged in the buffer space, and the humidifying pipeline is connected to the liquid outlet of the liquid inlet device; the atomizing component is arranged on the humidifying pipeline at intervals and is connected to the humidifying pipeline; the liquid is transported into the humidifying pipeline through the liquid inlet device, and then the atomizing component on the humidifying pipeline atomizes the liquid and sprays it into the buffer space, thereby increasing the humidity of the air in the buffer space, and the humidified air in the buffer space then passes through the surrounding film, thereby adjusting the environmental relative humidity in the tobacco storage space, so that the environmental relative humidity of the tobacco storage space meets the requirements of tobacco storage or aging.

[0016] Preferably, the humidification pipeline is arranged at the overlapping and fitting place of the surrounding film and the bottom film, and is arranged around the surrounding film; placing the humidification pipeline at the overlapping and fitting place of the surrounding film and the bottom film can make the surrounding film and the bottom film fit more closely, and the humidification pipeline is arranged around the surrounding film to humidify the air in the buffer space more quickly, thereby increasing the environmental relative humidity of the buffer space.

[0017] Preferably, the humidification pipeline includes an upper annular pipeline arranged around the surrounding film and a longitudinal pipeline arranged vertically, the annular pipeline is located at the top of the surrounding film, and the longitudinal pipeline is connected to the annular pipeline and is used to support the annular pipeline; the combination of the annular pipeline and the longitudinal pipeline expands the buffer space, increases the distance between the tobacco storage space and the external environment, and reduces the influence of the external environment on the tobacco storage space.

[0018] Preferably, the humidification pipeline is arranged above the overlapping and bonding place of the surrounding film and the bottom film; a humidity regulating bag corresponding to the atomization component is provided below the humidification pipeline, and the humidity regulating bag is arranged at the overlapping and bonding place of the surrounding film and the bottom film and supports the humidification pipeline; the arranged humidity regulating bag can absorb droplets dripping from the atomization component to prevent liquid from accumulating on the bottom film.

[0019] Preferably, a water seepage hole corresponding to the humidity conditioning bag is provided at the bottom of the humidification pipeline located above the humidity conditioning bag; the humidity conditioning bag can absorb water droplets dripping from the water seepage hole to increase the water content of the humidity conditioning bag, and the humidity conditioning bag diffuses the absorbed liquid to keep the tobacco storage space at a suitable humidity for a longer time.

[0020] Preferably, the spacing distance between adjacent atomizing components is 1.5 times to 1.8 times the radius of the coverage range of the atomizing components; when the spacing between adjacent atomizing components is less than 1.5 times the radius of the coverage range of the atomizing components, the number of atomizing components in the tobacco storage device increases significantly, resulting in a high investment cost of the humidification device; when the spacing between adjacent atomizing components is higher than 1.8 times the radius of the coverage range of the atomizing components, gaps are likely to appear in the water vapor coverage range after atomization of adjacent atomizing components, which may easily lead to uneven air humidity distribution in the buffer space.

[0021] Preferably, the temperature of the liquid delivered by the liquid adding device is 35-40°C. When the temperature of the liquid delivered by the liquid adding device rises to 35-40°C and enters the buffer space through the atomizing component, it can not only quickly increase the relative humidity of the buffer space, but also adjust the temperature of the buffer space at the same time. Compared with the prior art which uses air replacement to adjust the temperature of the tobacco storage space, the double-layer tobacco storage device of the present invention uses high-temperature liquid to adjust the temperature faster and more accurately.

[0022] The surrounding film is a laser-perforated film, or a polymer breathable film, an ordinary plastic film with water-permeable holes, etc.; the laser-perforated film can accelerate the flow of moisture in the buffer space and the tobacco storage space, and can effectively block droplets from entering the tobacco storage space, and can effectively avoid the phenomenon that the atomized water vapor is directly sprayed into the tobacco storage space, resulting in a high local moisture content in the tobacco stacks around the tobacco storage space; one end of the air inlet pipe and the air outlet pipe is located outside the storage device, and the other end is located inside the storage device; a gas diffusion device is provided at the end of the air inlet pipe located inside the tobacco storage device.

[0023] Beneficial effects of the present invention:

[0024] The present invention adopts a combined structure of a base film, a film cover and a surrounding film, which increases a buffer space to prevent direct contact between the tobacco stack and the outside world relative to the tobacco storage space of a single-layer sealed tent. When the double-layer tobacco storage device of the present invention is used for tobacco storage, it can effectively reduce the impact of the external environment on the temperature and humidity in the tobacco storage space.

[0025] In the prior art, humidification of tobacco storage space is generally performed by humidifying the air outside the tobacco storage space and then sending it into the tobacco storage space (referred to as humidification outside the stack). The present invention breaks through the conventional thinking of those skilled in the art, and realizes humidification inside the stack by arranging a humidification pipeline in the closed space enclosed by the film cover and the base film, thereby changing the conventional humidification outside the stack to humidification inside the stack, thereby improving the speed of regulating the humidity or temperature and humidity in the tobacco storage space. By adopting the surrounding film, those skilled in the art overcome the technical difficulty that directly humidifying the tobacco stack with liquid or atomized water vapor will result in high humidity of tobacco leaves around or on the surface of the tobacco stack, thereby affecting the storage quality of tobacco leaves.

[0026] Compared with the prior art, the present invention first uses a liquid inlet device and a humidifying pipeline to transport liquid into the buffer space, and then sprays water mist through an atomizing component on the humidifying pipeline to increase the humidity of the buffer space. When the humidity of the buffer space is higher than the humidity in the tobacco storage space, the water mist will penetrate and diffuse into the tobacco storage space to increase the humidity in the tobacco storage space, thereby achieving the effect of regulating the humidity in the tobacco storage space.

[0027] The interval setting of the atomizing components makes the sprayed water mist evenly distributed in the tobacco storage space, effectively avoiding the uneven humidity distribution in the buffer space and the error in temperature and humidity detection;

[0028] Compared with the prior art method of humidifying air from outside the membrane cover, injecting it into the tobacco storage space from the air inlet pipe, and then discharging low-humidity air from the air outlet pipe, the device used in the present invention generates a smaller air circulation volume, or even no air circulation, thereby reducing the heat loss rate in the tobacco storage space;

[0029] The surrounding film uses a laser-perforated film, which can not only accelerate the penetration and diffusion of water mist into the tobacco storage space, but also block direct contact between water droplets and the surface of the tobacco stack, preventing the surface of the tobacco stack from mildew. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the three-dimensional structure of a double-layer tobacco leaf storage device according to Example 1 of the present invention;

[0031] Figure 2 This is a schematic diagram of the three-dimensional structure of the double-layer tobacco storage device of Example 2 of the present invention.

[0032] Figure 3 This is a front view of a double-layer tobacco storage device according to embodiment 3 of the present invention.

[0033] Figure 4 This is a top view of the double-layer tobacco storage device of Example 3 of the present invention.

[0034] Figure 5 for Figure 3 A is an enlarged schematic diagram.

[0035] Figure 6 It is an enlarged schematic diagram of the three-dimensional structure of 31 (gas diffusion device) of Example 3 of the present invention.

[0036] Figure 7 A schematic diagram of the three-dimensional structure of a double-layer tobacco storage device according to Example 4 of the present invention.

[0037] In the figure: 1-liquid inlet device, 11-blower, 12-humidifier; 2-temperature and humidity detector; 3-inlet pipe, 31-gas diffusion device; 4-outlet pipe; 5-membrane cover 51-buffer space; 6-surrounding film, 61-tobacco storage space; 7-humidification pipeline, 71-atomization component, 72-annular pipeline, 73-longitudinal pipeline, 74-water seepage hole, 75-humidification hole; 8-humidity control bag; 9-bottom film.

[0038] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Embodiment 1

[0041] like Figure 1 As shown, a double-layer tobacco leaf storage device comprises: a storage device; the storage device is composed of a base film 9, a film cover 5, and a surrounding film 6;

[0042] The storage device is provided with an air inlet pipe 3 and an air outlet pipe 4, wherein the air inlet pipe 3 is arranged at the bottom of the membrane cover 5, one end of the air inlet pipe 3 is located outside the membrane cover 5, and the other end is located in the tobacco storage space 61; the air outlet pipe 4 is arranged at the top of the membrane cover 5, one end of the air outlet pipe 4 is located outside the membrane cover 5, and the other end is located in the tobacco storage space 61; the air inlet pipe 3 and the air outlet pipe 4 are both provided with solenoid valves;

[0043] The lower edge of the film cover 5 is sealed with the bottom film 9, and the interior thereof forms a closed space;

[0044] The surrounding film 6 is arranged in a closed space, the top of which is sealed with the film cover 5, and the bottom of which overlaps and fits with the bottom film 9;

[0045] The enclosed space is divided by the surrounding film 6 into a tobacco storage space 61 for storing tobacco stacks and a buffer space 51 located outside the tobacco storage space 61;

[0046] The storage device is further provided with a humidifying device, which is composed of a humidifying pipeline 7, a liquid inlet device 1, and an atomizing component 71; the humidifying pipeline 7 is arranged in the buffer space 51, and the humidifying pipeline 7 is communicated with the liquid outlet of the liquid inlet device 1; the atomizing component 71 is arranged on the humidifying pipeline 7 at intervals and communicated with the humidifying pipeline 7;

[0047] The tobacco storage space 61 is provided with a temperature and humidity detector 2;

[0048] The spacing distance between adjacent atomizing components 71 is 1.5 times the radius of the coverage range of the atomizing components 71;

[0049] The humidification pipeline 7 is arranged at the overlapping and bonding place of the surrounding film 6 and the bottom film 9, and is arranged around the surrounding film 6;

[0050] The temperature of the liquid delivered by the liquid adding device is 38° C., which adjusts the humidity of the tobacco storage space 61 and the temperature in the tobacco storage space 61 at the same time.

[0051] Working principle and use method of the double-layer tobacco storage device of this embodiment:

[0052] After the tobacco stack is stored in the tobacco storage space 61, the humidifying liquid is pumped into the humidifying pipeline 7 through the liquid inlet device 1 of the humidifying device, and the liquid is atomized by the atomizing component 71 on the humidifying pipeline 7 to quickly humidify the buffer space 51. The water mist will pass through the surrounding film 6 to move into the tobacco storage space 61 through the effect of osmotic diffusion. Then, the detection data of the temperature and humidity detector 2 is manually read. When the humidity in the tobacco storage space 61 reaches the middle value of the lower limit and the upper limit of the environmental humidity (55% to 65%) required for tobacco aging or is close to the upper limit (such as a difference of 1% from the upper limit humidity), the liquid inlet device 1 is closed and the humidifying liquid is stopped from being pumped into the humidifying pipeline 7; at this time, the humidity in the buffer space 51 will be greater than the humidity in the tobacco storage space 61;

[0053] When the humidity in the buffer space 51 is lower than the humidity in the tobacco storage space 61, the moisture in the tobacco storage space 61 will move into the buffer space 51 through the surrounding film 6 by osmotic diffusion, and the humidity in the tobacco storage space 61 will decrease. When the humidity in the tobacco storage space 61 drops to the lower limit of the environmental humidity required for tobacco aging, the liquid inlet device 1 is started again to humidify the buffer space 51. Repeat the above operation to maintain the environmental humidity in the tobacco storage space 61 within the range of environmental humidity required for tobacco aging (55% to 65%), so that the tobacco aging effect is always kept in the best state;

[0054] The temperature inside the tobacco storage device can also be adjusted by adding liquids of different temperatures into the humidity conditioning bag 1 .

[0055] Embodiment 2

[0056] like Figure 2 As shown, a double-layer tobacco leaf storage device of this embodiment is changed on the basis of the first embodiment, and the structure of the humidification pipeline 7 and the setting positions of the air inlet pipe 3 and the air outlet pipe 4 are changed.

[0057] The differences are as follows:

[0058] The humidification pipeline 7 includes an upper annular pipeline 72 arranged around the surrounding film 6 and a vertically arranged longitudinal pipeline 73, wherein the annular pipeline 72 is located at the top of the surrounding film 6, and the longitudinal pipeline 73 is connected to the annular pipeline 72 and is used to support the annular pipeline 72;

[0059] The air inlet pipe 3 is arranged at the bottom of the membrane cover 5, one end of the air inlet pipe 3 is located outside the membrane cover 5, and the other end is located inside the membrane cover 5; the air outlet pipe 4 is arranged at the upper end of the membrane cover 5, one end of the air outlet pipe 4 is located outside the membrane cover 5, and the other end is located inside the membrane cover 5;

[0060] The surrounding film 6 is a laser-perforated film.

[0061] The double-layer tobacco storage device of this embodiment has the effect of the first embodiment. The surrounding film 6 adopts a laser-perforated film, which not only blocks the direct entry of droplets, but also accelerates the flow of moisture between the buffer space 51 and the tobacco storage space 61, thereby accelerating the speed of adjusting the humidity in the tobacco storage space 61.

[0062] The annular pipeline 72 and the longitudinal pipeline 73 not only expand the buffer space 51 , but also increase the humidification speed in the buffer space 51 , thereby achieving the effect of quickly humidifying the buffer space 51 .

[0063] Embodiment 3

[0064] like Figure 3 As shown in FIG6 , a double-layer tobacco storage device of this embodiment has the following differences compared with the first embodiment:

[0065] The humidification pipeline 7 is arranged above the overlapping and bonding part of the surrounding film 6 and the bottom film 9; a humidity regulating bag 8 corresponding to the atomization component 71 is arranged below the humidification pipeline 7, and the humidity regulating bag 8 is arranged at the overlapping and bonding part of the surrounding film 6 and the bottom film 9 and supports the humidification pipeline 7; a water seepage hole 74 corresponding to the humidity regulating bag 8 is also arranged at the bottom of the humidification pipeline 7 located on the humidity regulating bag 8; wherein the humidity regulating bag 8 can adopt a square moisturizing material, such as a polymer absorbent material, a water-absorbing resin and other water-absorbing and moisturizing materials, or, it can be composed of an outer shell and a moisturizing material placed in the outer shell.

[0066] The air inlet pipe 3 is connected to a gas diffusion device 31;

[0067] The temperature and humidity detector 2 is electrically connected to the control unit of the liquid inlet device 1;

[0068] The double-layer tobacco storage device of this embodiment has the effects of the first embodiment. When the liquid inlet device 1 stops conveying liquid, the residual liquid in the humidification pipeline 7 drips into the humidity control bag 8 through the water seepage hole 74 and is absorbed by the water-absorbing and moisturizing material in the humidity control bag 8. When the humidity in the buffer space 51 decreases, the moisturizing material in the humidity control bag 8 releases moisture into the buffer space 51 to keep the buffer space 51 at a suitable humidity for a long time, thereby prolonging the maintenance time of the suitable humidity in the tobacco storage space 61, reducing the time the liquid inlet device 1 needs to operate, and greatly reducing consumption.

[0069] The temperature and humidity detector 2 is electrically connected to the control unit of the liquid inlet device 1 to control the start and stop of the liquid inlet device 1, thereby achieving the effect of automatically regulating the humidity in the tobacco storage space 61.

[0070] Embodiment 4

[0071] like Figure 7As shown, a double-layer tobacco leaf storage device of this embodiment includes: a storage device; the storage device is composed of a base film 9, a film cover 5, and a surrounding film 6;

[0072] The storage device is provided with an air inlet pipe 3 and an air outlet pipe 4, wherein the air inlet pipe 3 is arranged at the bottom of the membrane cover 5, one end of the air inlet pipe 3 is located outside the membrane cover 5, and the other end is located in the tobacco storage space 61; the air outlet pipe 4 is arranged at the top of the membrane cover 5, one end of the air outlet pipe 4 is located outside the membrane cover 5, and the other end is located in the tobacco storage space 61; the air inlet pipe 3 and the air outlet pipe 4 are both provided with solenoid valves;

[0073] The lower edge of the film cover 5 is sealed with the bottom film 9, and the interior thereof forms a closed space;

[0074] The surrounding film 6 is arranged in a closed space, the top of which is sealed with the film cover 5, and the bottom of which overlaps and fits with the bottom film 9;

[0075] The enclosed space is divided by the surrounding film 6 into a tobacco storage space 61 for storing tobacco stacks and a buffer space 51 located outside the tobacco storage space 61;

[0076] The storage device is also provided with a humidifying device, which includes a blower 11 and a humidifier 12 which are connected to the air inlet pipe 3 and are located outside the tobacco storage device, and the blower 11 and the humidifier 12 are connected in parallel.

[0077] The surrounding film 6 is a laser-perforated film;

[0078] The buffer space 51 is provided with a humidification pipeline 7 connected to the air inlet pipe 3 . The humidification pipeline 7 is arranged around the surrounding membrane 6 and has humidification holes 75 spaced apart therefrom.

[0079] It should be noted that the humidification device of this embodiment, wherein the blower 11 and the humidifier 12 can also be connected in series; and the common humidification method adopted in this embodiment can share the humidification device of other tobacco storage devices.

[0080] Finally, it should be noted that the above is only a preferred embodiment of the present invention, which is only used to illustrate the technical solution of the present invention, and is not used to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A double-layer tobacco leaf storage device, comprising: Storage device; the storage device is composed of a base film (9), a film cover (5), and a surrounding film (6); characterized in that: The storage device is provided with an air inlet pipe (3) and an air outlet pipe (4); The lower edge of the membrane cover (5) is sealed to the bottom membrane (9), and a closed space is formed inside the membrane cover (5); The surrounding film (6) is arranged in a closed space, with its top being sealed and connected to the film cover (5), and its lower end overlapping and fitting with the bottom film (9); The surrounding film (6) divides the enclosed space into a tobacco leaf storage space (61) for storing tobacco stacks, and a buffer space (51) located outside the tobacco leaf storage space (61).

2. A double-layer tobacco storage device as claimed in claim 1, characterized in that: The storage device is also provided with a humidifying device or a temperature and humidity regulating device; a temperature and humidity detector is provided inside the storage device.

3. A double-layer tobacco storage device as claimed in claim 2, characterized in that: The humidifying device comprises a blower (11) and a humidifier (12) which are connected to the air inlet pipe (3) and are located outside the tobacco leaf storage device. The blower (11) and the humidifier (12) are connected in series or in parallel.

4. A double-layer tobacco storage device as claimed in claim 3, characterized in that: The buffer space (51) is provided with a humidification pipeline (7) that is in communication with the air inlet pipe (3); the humidification pipeline (7) is arranged around the surrounding membrane (6) and is provided with humidification holes (75) at intervals.

5. A double-layer tobacco storage device as claimed in claim 2, characterized in that: The humidifying device is composed of a humidifying pipeline (7), a liquid inlet device (1), and an atomizing component (71); the humidifying pipeline (7) is arranged in the buffer space (51), and the humidifying pipeline (7) is connected to the liquid outlet of the liquid inlet device (1); the atomizing component (71) is arranged at intervals on the humidifying pipeline (7) and is connected to the humidifying pipeline (7).

6. A double-layer tobacco storage device as claimed in claim 5, characterized in that: The humidification pipeline (7) is arranged at the overlapping and bonding position of the surrounding film (6) and the bottom film (9), and is arranged around the surrounding film (6).

7. A double-layer tobacco storage device as claimed in claim 5, characterized in that: The humidification pipeline (7) comprises an upper annular pipeline (72) arranged around the surrounding membrane (6) and a longitudinal pipeline (73) arranged vertically, wherein the annular pipeline (72) is located at the top of the surrounding membrane (6), and the longitudinal pipeline (73) is connected to the annular pipeline (72) and is used to support the annular pipeline (72).

8. A double-layer tobacco storage device as claimed in claim 5, characterized in that: The humidification pipeline (7) is arranged above the overlapping and bonding portion of the surrounding film (6) and the bottom film (9); a humidity control bag (8) corresponding to the atomization component (71) is arranged below the humidification pipeline (7); the humidity control bag (8) is arranged at the overlapping and bonding portion of the surrounding film (6) and the bottom film (9) and supports the humidification pipeline (7).

9. A double-layer tobacco storage device as claimed in claim 8, characterized in that: A water seepage hole (74) corresponding to the humidity conditioning bag (8) is also provided at the bottom of the humidification pipeline (7) located on the humidity conditioning bag (8).

10. A double-layer tobacco storage device according to any one of claims 5 to 9, characterized in that: The spacing distance between adjacent atomizing components (71) is 1.5 to 1.8 times the radius of the coverage range of the atomizing components (71); the temperature of the liquid delivered by the liquid inlet device (1) is 35°C to 40°C; the surrounding film (6) is a laser-perforated film, a polymer breathable film, or an ordinary plastic film with water-permeable holes; one end of the air inlet pipe (3) and the air outlet pipe (4) are located outside the storage device, and the other end is located inside the storage device; and a gas diffusion device (31) is provided at one end of the air inlet pipe (3) located inside the tobacco storage device.

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