CN219537411U - Tobacco flue-curing house - Google Patents

Abstract

The utility model provides a tobacco flue-curing house which can solve the problem that the existing tobacco flue-curing house is not suitable for baking a small amount of tobacco before formal tobacco flue-curing to obtain the optimal baking process of the tobacco in the current season. The tobacco flue-curing house comprises a shell, a baking chamber and a heating chamber are formed in the shell, the baking chamber is used for supplying heat to the baking chamber, a water heating device is arranged in the heating chamber, and the water heating device comprises a water storage container and an electric heater. The tobacco flue-curing house provided by the utility model has the advantages that the water heating device is adopted to heat water, the heat generated after the water is heated is used for curing tobacco leaves to be cured, the structure is simple, the cost is low, the miniaturization design is easy, and the tobacco flue-curing house is suitable for curing a small amount of tobacco leaves before formal tobacco curing; the tobacco curing house can be started and stopped frequently to observe the condition of tobacco in the curing process of a small amount of tobacco before formal tobacco curing, the tobacco curing process is adjusted, and water has an energy storage function, so that the highest electric load value of the tobacco curing house working input is smaller, the input power is more stable, and the requirement of gentle heating of the tobacco curing house can be met.

Description

Tobacco flue-curing house

Technical Field

The utility model belongs to the technical field of baking devices, and particularly relates to a tobacco flue-curing house.

Background

At present, the flue-cured tobacco process mainly depends on the experience of a flue-cured tobacco operator to control the temperature and humidity of flue-cured tobacco in a curing barn, but the water content of the generated tobacco and the chemical composition in tobacco leaf per se are different due to different climates each year. In order to provide the best flue-cured tobacco process for the tobacco leaves in the season, most of the flue-cured tobacco process teachers in China currently are in formal flue-cured tobacco, the flue-cured tobacco process is adjusted on site for the temperature and humidity in a flue-cured tobacco house and the color of the tobacco leaves, experience of the flue-cured tobacco process technicians is tested greatly, and more uncertainty exists. Because the standard cigarette loading amount of the existing tobacco flue-curing house for one furnace is usually larger and is several thousand kilograms, if the baking technology is not good, the tobacco growers can lose more.

In addition, most of heat sources adopted by the existing tobacco curing houses adopt air source heat pumps, if the existing tobacco curing houses are adopted to carry out experimental curing on a small amount of tobacco leaves in the season so as to obtain the optimal curing process of the tobacco leaves in the season, the problems of large materials, small use, high curing cost and inconvenience in starting and stopping at any time to adjust the curing process parameters exist.

Therefore, there is a need to design a miniature tobacco flue-curing house which has a simple structure and low curing cost, and can perform experimental curing on a small amount of on-season tobacco before formal tobacco curing so as to obtain an optimal curing process of the on-season tobacco, so that the loss of tobacco growers caused by poor curing process is avoided.

Disclosure of Invention

The utility model provides a tobacco flue-curing house which can solve the problem that the existing tobacco flue-curing house is not suitable for baking a small amount of tobacco before formal tobacco flue-curing to obtain the optimal baking process of the tobacco in the current season.

To solve the above technical problems, in some embodiments of the present utility model, a tobacco flue-curing house is provided, which includes a housing, in which:

a baking chamber at least for accommodating tobacco leaves to be baked;

the heating chamber is communicated with the baking chamber to supply heat to the baking chamber, a water heating device is arranged in the heating chamber and used for baking and heating tobacco leaves to be baked in the baking chamber by heating water, and the water heating device comprises a water storage container and an electric heater used for heating water in the water storage container;

the tobacco flue-curing house still includes the electronic control unit, and it is used for controlling at least the operating condition of water heating device.

Compared with the existing tobacco curing house taking the heat pump as a heat source, the tobacco curing house provided by the utility model has the advantages that the water heating device is adopted to heat water, and the heat generated after the water is heated is used for curing tobacco leaves to be cured, so that the tobacco curing house is simple in structure, small in number of parts, low in cost and easy in miniaturized design, and is especially suitable for curing a small amount of tobacco leaves before formal tobacco curing, so that the optimal curing process of the tobacco leaves in the same season is obtained; and the tobacco curing house can be started and stopped frequently to observe the condition of the tobacco in the experimental curing process of a small amount of tobacco before formal tobacco curing, the tobacco curing process is adjusted, and water has an energy storage function, so that the highest electric load value of the tobacco curing house working input is smaller, the peak and trough of weak electric heat are facilitated, the input power is more stable, and the requirement of gentle heating of the tobacco curing house can be met.

In some embodiments of the present utility model, a heat dissipation part is further disposed in the heating chamber, and the heat dissipation part is in heat conduction connection with the water heating device to conduct and diffuse heat of water heated by the water heating device to the heating chamber and the baking chamber, so as to supply heat to the baking chamber.

In some embodiments of the present utility model, the heat dissipation component is a tube-fin surface air cooler, the electric heater is a pipeline heater, the tube-fin surface air cooler, the electric heater and the water storage container are connected into a circulating water path through pipelines, and a water pump is arranged on the circulating water path.

In some embodiments of the utility model, the interior space of the heating chamber is divided into:

the electric heater is arranged in the heating area;

the tube-fin surface cooler is arranged in the heat dissipation area, and the heat dissipation area is communicated with the baking chamber;

the control area is provided with the electric control unit;

and the heating area and the control area are both provided with radiating holes communicated with the outside.

In some embodiments of the present utility model, an electric auxiliary heating device is further disposed in the heat dissipation area, and is used for auxiliary heating of the baking chamber.

In some embodiments of the present utility model, a fan is further disposed in the heat dissipation area, the heating chamber is located at the front side of the heat dissipation area, and an air inlet and an air return opening which are used for communicating the heat dissipation area with the baking chamber are formed on the heat dissipation area and/or the baking chamber;

when the fan works, hot air flow driving the heat dissipation area enters the baking chamber from the air inlet and flows through the tobacco leaves to be baked, and then returns to the heat dissipation area from the air return opening to form hot air circulation.

In some embodiments of the present utility model, a hanging structure is arranged in the baking chamber, the air inlet is positioned above the hanging structure, the air return opening is positioned below the hanging structure, and the hanging structure is close to the air inlet; when the tobacco leaves to be cured are cured, the tobacco leaves to be cured are hung on the hanging structure, and hot air circulates from top to bottom.

In some embodiments of the utility model, the tobacco flue-curing house further comprises:

the weighing device is used for weighing, and the shell is arranged on the weighing device.

In some embodiments of the utility model, the tobacco flue-curing house further comprises:

the support frame, weighing device with the casing all is established on the support frame, support frame's bottom four corners department is provided with the gyro wheel respectively.

In some embodiments of the utility model, the baking chamber is provided with a sampling port and/or a viewing window.

Drawings

FIG. 1 shows a perspective view of a tobacco flue-curing house in an embodiment of the present utility model;

FIG. 2 is a perspective view of the tobacco flue-curing house with the top plate omitted in an embodiment of the present utility model;

FIG. 3 shows a top view of FIG. 2;

FIG. 4 is a front view of a tobacco flue-curing house with a top plate, a curing chamber and a side plate of the housing corresponding to a heat dissipation area and a control area omitted;

fig. 5 shows an enlarged view of the portion a of fig. 4;

FIG. 6 is a rear side view of the flue-cured tobacco house with the housing side panels corresponding to the heat dissipation areas and control areas omitted in an embodiment of the present utility model;

fig. 7 is a perspective view of a second circumferential side plate corresponding to a heat dissipation area of a tobacco flue-curing house according to an embodiment of the present utility model;

FIG. 8 is a front side perspective view of a corresponding first peripheral side panel of a curing chamber of a curing barn in accordance with an embodiment of the present utility model;

FIG. 9 is a rear perspective view of a corresponding first peripheral side panel of a curing chamber of a curing barn in accordance with an embodiment of the present utility model;

FIG. 10 shows a schematic view of a hot gas cycle of a tobacco flue-curing house in accordance with an embodiment of the present utility model;

fig. 11 is a schematic view showing an arrangement structure of a weighing module of a tobacco flue-curing house on a supporting frame in an embodiment of the utility model.

Reference numerals:

100-a housing; 110-top plate; 120-a bottom plate; 130-a first circumferential side plate; 131-an air inlet; 132-an air return port; 133-exhaust port; 134-sampling port; 135-viewing window; 140-a second circumferential side plate; 141-suction port; 150-a third circumferential side plate; 160-fourth circumferential side plates; 170-heat dissipation holes; 200-baking chamber; 210-a hanging structure; 300-heating the chamber; 310-heating zone; 320-heat dissipation area; 330-control region; 400-a water storage container; 500-pipe heater; 600-tube-fin surface cooler; 700-water pump; 800-an electric auxiliary heating device; 900-fans; 1000-a weighing device; 1100-a support frame; 1200-roller; 1300-an electronic control unit.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1 to 11, the tobacco flue-curing house according to the embodiment of the present utility model includes a housing 100 and an electronic control unit 1300, and a curing chamber 200 and a heating chamber 300 are formed in the housing 100.

Wherein the curing chamber 200 is at least for accommodating tobacco leaves to be cured.

The heating chamber 300 is communicated with the baking chamber 200 to supply heat to the baking chamber 200 for baking tobacco leaves to be baked, a water heating device is arranged in the heating chamber 300 and used for baking and heating the tobacco leaves to be baked in the baking chamber 200 by heating heat generated by heating water, the water heating device specifically comprises a water storage container 400 and an electric heater, the water storage container 400 is used for containing the water to be heated, and the electric heater is used for heating the water in the water storage container 400.

The electronic control unit 1300 is at least used for controlling the working state of the water heating device, such as the start and stop of the electric heater.

In the tobacco flue-curing house according to the embodiment of the utility model, when the electric heater works, the electric heater heats the water storage container 400The heat generated by the heating of the water is introduced into the curing chamber 200 through the heating chamber 300 to heat and cure the tobacco leaves to be cured. The water heating device is adopted to heat water, the heat generated after the water is heated is used for baking tobacco leaves to be baked, compared with the tobacco curing house taking the existing heat pump as a heat source, the tobacco curing house has the advantages of simple structure, less number of parts, low cost, easy miniaturization design and capacity of 2m at the minimum ³ About, can satisfy the baking of a small amount (about 40 kg) tobacco leaf, supply flue-cured tobacco technology to carry out a small amount of baking to the raw tobacco of the season before baking in batches to obtain the best baking technology of flue-cured tobacco of the season, avoid causing the loss of tobacco growers because of the baking technology is not good. And in the experimental baking process of a small amount of tobacco leaves before formal tobacco baking, the tobacco curing house can be started and stopped frequently to observe the condition of the tobacco, the tobacco curing process is adjusted, and water has an energy storage function.

In some embodiments of the present utility model, a heat dissipation component is further disposed in the heating chamber 300, and the heat dissipation component is in heat conduction connection with the water heating device to conduct and diffuse the heat of the water heated by the water heating device to the heating chamber 300 and then to the baking chamber 200, so as to supply heat to the baking chamber 200, so that the heat of the water can be quickly diffused to the baking chamber 200, and the baking efficiency is improved.

As shown in fig. 3 to 6, the heat dissipation component is specifically a tube-fin surface air cooler 600, the electric heater is a tube-fin heater 500, the tube-fin surface air cooler 600, the tube-fin heater 500 and the water storage container 400 are connected into a circulating water path through a pipeline, and a water pump 700 is arranged on the circulating water path. The water pump 700 works to drive water in the circulating water path to circularly flow, the water is heated by the pipeline type heater 500 to form high-temperature water, the high-temperature water enters the pipe fin type surface air cooler 600, the pipe fin type surface air cooler 600 exchanges heat between heat of the water and air in the heating chamber 300, the air is heated and diffused into the baking chamber 200 to heat and bake tobacco leaves to be baked, the water with reduced temperature after heat exchange flows out of the pipe fin type surface air cooler 600 and returns to the water storage container 400 to be circularly heated under the action of the water pump 700, the circularly heated circulating water path is formed, water sources are saved, and heating efficiency is high. Meanwhile, the pipeline heater 500 controls Wen Jingzhun, heat is transferred through water in the circulating waterway, and if the specific heat capacity of the water is high, the temperature needs to be quickly increased, and the temperature difference needs to be small, so that the control is easy.

Since the temperature of the tube-fin surface cooler 600 is relatively high and the temperature of the tube-fin surface cooler 500 and the temperature of the electric control unit 1300 are kept as low as possible to avoid the influence of high temperature on the electric devices, as shown in fig. 2 to 4, the internal space of the heating chamber 300 is divided into a heating region 310, a heat dissipation region 320 and a control region 330, the electric heater, i.e. the tube-fin surface cooler 500 is disposed in the heating region 310, the tube-fin surface cooler 600 is disposed in the heat dissipation region 320, the electric control unit 1300 is disposed in the control region 330, the heat dissipation region 320 is communicated with the baking chamber 200 to realize the communication between the heating chamber 300 and the baking chamber 200. The heating zone 310 is not only spatially separated from the heat sink 320, but also thermally isolated therebetween; similarly, the control area 330 is not only spatially separated from the heat dissipation area 320, but also thermally insulated, so that the high temperature of the heating area 310 is prevented from affecting the pipeline heater 500 of the heating area 310 and the electric control unit 1300 of the control area 330 as much as possible, and the heat dissipation area 320 is also beneficial to centralizing the heat supply to the baking chamber 200, so that the heat waste is reduced. The heat dissipation area 320 is larger in volume than the heating area 310 and is also larger in volume than the control area 330, which corresponds to the bake chamber 200 for communication.

Specifically, with this partitioning structure, the casing 100 includes a top plate 110, a bottom plate 120, and a peripheral side plate, the top plate 110 covering the heating chamber 300 and the baking chamber 200 from the top of the heating chamber 300 and the baking chamber 200, the bottom plate 120 covering the heating chamber 300 and the baking chamber 200 from the bottom of the heating chamber 300 and the baking chamber 200; the peripheral side plates of the housing 100 include a first peripheral side plate 130 for enclosing the circumference of the baking chamber 200, a second peripheral side plate 140 for enclosing the circumference of the heat dissipation zone 320, a third peripheral side plate 150 for enclosing the circumference of the heating zone 310, and a fourth peripheral side plate 160 for enclosing the circumference of the control zone 330. The top plate 110, the bottom plate 120, the first circumferential side plate 130, and the second circumferential side plate 140 adopt thermal insulation boards, so that the baking chamber 200 and the heat dissipation area 320 have thermal insulation functions, and the third circumferential side plate 150 and the fourth circumferential side plate 160 can adopt common metal plates or injection-molded plates without thermal insulation.

The heating zone 310 and the control zone 330 are both provided with heat dissipation holes 170 communicating with the outside, specifically, the heat dissipation holes 170 are formed on the third circumferential side plate 150 and the fourth circumferential side plate 160, respectively, to ventilate and dissipate heat to the heating zone 310 and the control zone 330, respectively, thereby improving the service lives of the duct heater 500 and the electronic control unit 1300.

In some embodiments of the present utility model, as shown in fig. 4 and 5, an electric auxiliary heating device 800 is further provided in the heat dissipation area 320, for assisting in supplying heat to the roasting chamber 200 when the water heating device is not hot enough. The electric auxiliary device is specifically an electric heating pipe or an electric heating wire, can be arranged at the radiating part and can share the same mounting bracket with the radiating part, so that the structure is compact and the installation is convenient.

As shown in fig. 4, 8 and 9, a fan 900 is further disposed in the heat dissipation area 320, the heating chamber 300 is located at the front side of the heat dissipation area 320, and the air inlet 131 and the air return 132 for communicating the heat dissipation area 320 with the baking chamber 200 are formed on the heat dissipation area 320 and/or the baking chamber 200; when the blower 900 is operated, the hot air flow driving the heat dissipation area 320 enters the baking chamber 200 from the air inlet 131 and flows through the tobacco leaves to be baked, and then returns to the heat dissipation area 320 from the air return opening 132, so that a hot air circulation is formed.

Specifically, according to the view angles shown in fig. 7 to 9, in combination with fig. 2, the first peripheral side plate 130 for enclosing the circumference of the baking chamber 200 includes a left side plate, a right side plate, a front panel and a rear back plate, and the air inlet 131 and the air return 132 are provided on the rear back plate of the first peripheral side plate 130. The second circumferential side plate 140 for enclosing the heat dissipation area 320 is in a groove shape with a front opening and penetrating up and down, i.e. only has a left side plate, a right side plate and a rear side plate, which together enclose the heat dissipation area 320 with the top plate 110, the bottom plate 120 and the rear back plate of the first circumferential side plate 130 of the housing 100, and the air inlet 131 and the air return 132 arranged on the rear back plate of the first circumferential side plate 130 enable the heat dissipation area 320 to be communicated with the baking chamber 200.

By arranging the fan 900, the flow speed of hot air flowing from the heat dissipation area 320 to the baking chamber 200 is accelerated, heat exchange is enhanced, and the tobacco baking efficiency is improved.

For the placement of the tobacco leaves to be cured in the curing chamber 200, as shown in fig. 2, 3, 8 and 9, a hanging structure 210 is provided in the curing chamber 200, and when curing, the tobacco leaves to be cured are hung on the hanging structure 210, so that the hot air flows on the surfaces of the tobacco leaves. Meanwhile, the air inlet 131 is located above the hanging structure 210, the air return opening 132 is located below the hanging structure 210, the hanging structure 210 is close to the air inlet 131, namely, is close to the air inlet 131, circulating air flow formed by the fan 900 when working flows from top to bottom when flowing through tobacco leaves to be cured, and the air flow direction is shown by hollow arrows in fig. 10, so that the tobacco leaves to be cured (schematically indicated by diamond-shaped components in the curing chamber 200 in fig. 10) are facilitated to be improved in curing quality. The suspension structure 210 may be in the form of a suspension rod, a suspension bracket, a hook, etc., and is not particularly limited herein, and may be provided in a plurality of spaced apart configurations.

As shown in fig. 1, 2, 4, and 6 to 9, the second circumferential side plate 140 is formed with an air suction port 141, and the first circumferential side plate 130 is formed with an air discharge port 133 to respectively discharge moisture from the heat dissipation area 320 and the bake chamber 200.

In some embodiments of the present utility model, the tobacco flue-curing house further comprises a weighing device 1000 for weighing, the housing 100 is arranged on the weighing device 1000, and correspondingly, each structural component in the housing 100 and tobacco leaves to be cured are also arranged on the weighing device 1000, and according to the reading change of the weighing device 1000, the change of the water content in the tobacco leaves can be monitored in real time, so that a weight change curve can be output at a later stage, and powerful technical support is provided for the curing process. The weighing devices 1000 are 4 in number and are respectively arranged at four corners of the bottom plate 120 of the shell 100.

The baking chamber 200 is internally provided with a temperature sensor and a pressure sensor which are respectively used for monitoring the temperature and the humidity in the baking chamber 200 in real time so as to output corresponding change curves, and can also provide powerful technical support for the baking process.

As shown in fig. 1, 2, 4, 6 and 11, the tobacco flue-curing house further comprises a supporting frame 1100, the weighing device 1000 and the shell 100 are all arranged on the supporting frame 1100, and rollers 1200 are respectively arranged at four corners of the bottom of the supporting frame 1100. The supporting frame 1100 is specifically a sheet metal frame, so as to reduce weight, and the roller 1200 is arranged to facilitate movement of the whole tobacco flue-curing house, so that the tobacco flue-curing house is more flexible to use.

The baking chamber 200 is provided with a sampling port 134 and/or an observation window 135, the sampling port 134 is arranged to facilitate taking samples of the baking chamber 200 according to the requirements so as to identify sample components, and the sampling port 134 can be arranged on a right side plate corresponding to the baking chamber 200; the observation window 135 is arranged, so that the situation in the baking chamber 200 can be observed at any time in the baking process conveniently, a door body can be arranged on a front panel corresponding to the baking chamber 200, the observation window 135 is arranged on the door body, and the observation window 135 can be also arranged on a left side plate corresponding to the baking chamber 200 for observation at a plurality of angles.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a tobacco flue-curing house which characterized in that includes the casing, be formed with in the casing:

a baking chamber at least for accommodating tobacco leaves to be baked;

the heating chamber is communicated with the baking chamber to supply heat to the baking chamber, a water heating device is arranged in the heating chamber and used for baking and heating tobacco leaves to be baked in the baking chamber by heating water, and the water heating device comprises a water storage container and an electric heater used for heating water in the water storage container;

the tobacco flue-curing house still includes the electronic control unit, and it is used for controlling at least the operating condition of water heating device.

2. The tobacco flue-curing house of claim 1, wherein the tobacco flue-curing house comprises a plurality of tobacco flue-curing units,

and a heat dissipation part is arranged in the heating chamber and is in heat conduction connection with the water heating device so as to conduct and diffuse the heat of the water heated by the water heating device to the heating chamber and the baking chamber, so as to supply heat to the baking chamber.

3. The tobacco flue-curing house of claim 2, wherein the tobacco flue-curing house comprises a plurality of tobacco flue-curing chambers,

the heat dissipation part is a tube-fin surface air cooler, the electric heater is a pipeline type heater, the tube-fin surface air cooler, the electric heater and the water storage container are connected into a circulating water path through pipelines, and a water pump is arranged on the circulating water path.

4. A flue-curing house as claimed in claim 3, wherein the internal space of the heating chamber is divided into:

the electric heater is arranged in the heating area;

the tube-fin surface cooler is arranged in the heat dissipation area, and the heat dissipation area is communicated with the baking chamber;

the control area is provided with the electric control unit;

and the heating area and the control area are both provided with radiating holes communicated with the outside.

5. The tobacco flue-curing house of claim 4, wherein the tobacco flue-curing house comprises a plurality of tobacco flue-curing units,

and an electric auxiliary heating device is also arranged in the heat dissipation area and is used for supplying heat to the baking chamber in an auxiliary way.

6. The tobacco flue-curing house of claim 4 or 5, wherein the tobacco flue-curing house comprises a plurality of tobacco flue-curing units,

a fan is further arranged in the heat dissipation area, the heating chamber is positioned at the front side of the heat dissipation area, and an air inlet and an air return opening which are used for communicating the heat dissipation area with the baking chamber are formed in the heat dissipation area and/or the baking chamber;

when the fan works, hot air flow driving the heat dissipation area enters the baking chamber from the air inlet and flows through the tobacco leaves to be baked, and then returns to the heat dissipation area from the air return opening to form hot air circulation.

7. The tobacco flue-curing house of claim 6, wherein the tobacco flue-curing house comprises a plurality of tobacco flue-curing units,

the baking chamber is internally provided with a hanging structure, the air inlet is positioned above the hanging structure, the air return opening is positioned below the hanging structure, and the hanging structure is close to the air inlet; when the tobacco leaves to be cured are cured, the tobacco leaves to be cured are hung on the hanging structure, and hot air circulates from top to bottom.

8. The curing barn of claim 1, further comprising:

the weighing device is used for weighing, and the shell is arranged on the weighing device.

9. The curing barn of claim 8, further comprising:

the support frame, weighing device with the casing all is established on the support frame, support frame's bottom four corners department is provided with the gyro wheel respectively.

10. The tobacco flue-curing house of claim 1, wherein the tobacco flue-curing house comprises a plurality of tobacco flue-curing units,

and a sampling port and/or an observation window are arranged on the baking chamber.