Channel type tobacco curing barn

Abstract

The utility model discloses a channel type tobacco curing barn which comprises a curing barn foundation, a curing barn light steel frame, a curing barn roof, a curing barn body and a heating chamber, and the heating chamber is provided with a heating chamber heating assembly. On the basis of meeting the tobacco leaf curing process requirements of the bulk tobacco curing barn, industrial assembly line operation of curing is realized, a tobacco loading chamber of the tobacco curing barn is designed into an assembly line type curing channel, and a track is laid at the bottom of the channel, so that tobacco loading or tobacco hanging trolleys can run on the track side by side while curing; heating chambers are arranged on one side of the channel at equal intervals, and each heating chamber provides a baking heat source for the corresponding channel section through an independent heat circulation air channel; the tobacco leaf assembly line baking is realized by adopting a movable partition plate butt joint sealing principle.

Description

Technical Field

[0001] The utility model relates to a tobacco-curing room, in particular to a channel-type tobacco-curing room, and belongs to the technical field of tobacco leaf curing. Background Art

[0002] Tobacco flue-curing houses are generally built in accordance with the 2008 Technical Specifications for Intensive Curing Houses issued by the State Tobacco Administration. These technical specifications were in line with the tobacco planting and curing operations at the time, namely traditional planting and curing with intensive manual labor.

[0003] The intensive flue-curing room consists of a heating chamber and a tobacco loading chamber. For example, in the prior art, a tobacco flue-curing room disclosed in announcement number CN219537411U includes a shell, a baking chamber and a heating chamber are formed in the shell, and the baking chamber is heated. A water heating device is arranged in the heating chamber, and the water heating device includes a water storage container and an electric heater. However, in the actual tobacco flue-curing process, dozens of tobacco leaves need to be manually tied as a hang. Each hang of tobacco leaves is tied with a thin wire on a wooden stick or bamboo stick of a fixed length with the petiole facing upward and the tip facing downward. Each hang of tied tobacco leaves is hung into the tobacco loading chamber by tobacco farmers, and multiple hangs of tobacco leaves are hung on the shelves in the tobacco loading chamber in order from inside to outside. After hanging, the door of the tobacco loading chamber is closed, and a week-long baking process is started. After baking, the door of the tobacco loading chamber is opened, and manual personnel enter the tobacco loading chamber, and move the baked multiple hangs of tobacco leaves out of the tobacco loading chamber one by one from outside to inside. This operation mode has a small working space, and tobacco leaves can only be moved in or out manually. In addition, the hanging racks in the tobacco loading room are divided into three layers, upper, middle and lower. Manual workers need to climb up and down in a small space to hang or take each hang of tobacco leaves. The loading and unloading operation is inefficient and labor-intensive. The air in the curing room is turbid and pungent, which affects the health of the workers. It takes 7 days for a room of tobacco to be cured in a dense curing room, and the curing efficiency is low and the energy consumption is high. This curing room, which is mainly operated by manual labor, can no longer meet the requirements of modern agricultural mechanization and industrialized production methods. Utility Model Content

[0004] The purpose of the utility model is to provide a channel type tobacco curing room in order to solve at least one of the above technical problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a channel-type flue-cured tobacco room, comprising a flue-cured tobacco room foundation, a flue-cured tobacco room light steel frame, a flue-cured tobacco room roof, a flue-cured tobacco room body and a heating chamber, wherein the flue-cured tobacco room light steel frame is fixedly connected to the flue-cured tobacco room foundation, the flue-cured tobacco room body is installed on both long sides of the flue-cured tobacco room light steel frame, and a heating chamber is arranged at the flue-cured tobacco room body on one side, the flue-cured tobacco room roof is installed on the top of the flue-cured tobacco room light steel frame, and a heating chamber heating assembly is arranged in the heating chamber;

[0006] The foundation of the flue-curing house includes a basic ground, on the end surface of which a channel area heat circulation bottom air duct is opened, and a channel smoke trolley track is laid above the basic ground, on which a number of flue-curing trolley components are movably installed;

[0007] The heating chamber heating assembly includes an air energy heat pump and a heating chamber circulation fan. The air energy heat pump is installed outside the heating chamber, and the hot air outlet of the air energy heat pump is connected to the heating chamber. The heating chamber circulation fan is installed in the heating chamber.

[0008] As a further solution of the utility model: electric rolling shutter doors at the passage openings are arranged at both ends of the light steel frame of the baking room, and the electric rolling shutter doors at the passage openings are respectively installed on the top frame of the light steel frame of the baking room, a passage observation window is opened on the baking room body away from the heating chamber side, and a passage dehumidification window is opened on the baking room body close to the heating chamber side.

[0009] As a further solution of the utility model: the channel area heat circulation bottom air duct is a sunken air duct, and a plurality of channel single area bottom air duct isolation walls are arranged in the channel area heat circulation bottom air duct, and a channel single area heat circulation top isolation plate is installed on the baking room light steel frame part directly above each channel single area bottom air duct isolation wall, and the channel area heat circulation bottom air duct is divided into a plurality of channel single area heating chamber bottom air ducts by the channel single area bottom air duct isolation walls, and a heating chamber is arranged at the bottom air duct of each channel single area heating chamber, and a channel observation window and a channel dehumidification window are opened on the baking room body corresponding to each channel single area heating chamber bottom air duct.

[0010] As a further solution of the utility model: the tobacco flue-curing trolley assembly placed on the channel smoke cart track includes two types: a trolley without partitions and a trolley with partitions. The four corners of the bottom ends of the trolley without partitions and the trolley with partitions are connected with trolley track wheels, the trolley track wheels are placed on the channel smoke cart track, two pairs of channel smoke cart tracks are provided, and a tobacco cart towing motor is installed at the exit end of the channel smoke cart track, and the towing rope of the tobacco cart towing motor is connected to the tobacco flue-curing trolley assembly.

[0011] As a further solution of the utility model: a cigarette hanging rack is welded on the body of the trolley without partition and the trolley with partition, a plurality of trolleys without partition are provided, and the trolleys with partitions are respectively arranged on both sides of the trolley without partition, and the body of the trolley without partition and the trolley with partition are connected by a trolley connecting rod, a partition is welded on the outer body of the trolley with partition, and when the tobacco curing trolley assembly is located above the bottom air duct of any channel single-zone heating chamber, the partition and the top isolation plate of the channel single-zone heat circulation and the isolation wall of the channel single-zone bottom air duct are in the same vertical plane.

[0012] As a further solution of the utility model: an air circulation return air port is provided on the flue-curing room body connected to the heating room, the heating room is connected with the flue-curing area through the air circulation return air port, and a heat pump radiator is also installed in the heating room.

[0013] As a further solution of the utility model: a heating chamber air supply door and a heating chamber inspection door are also provided on the heating chamber.

[0014] The beneficial effects of the utility model are:

[0015] 1) On the basis of meeting the requirements of tobacco leaf baking process in intensive tobacco-curing houses, the baking is realized as an industrial assembly line operation. The tobacco loading room of the tobacco-curing house is designed as an assembly line baking channel. Tracks are laid at the bottom of the channel for the tobacco loading or hanging trolleys to move side by side while baking on the tracks; on one side of the channel, heating chambers are set at equal distances, and each heating chamber provides a baking heat source for the corresponding channel section through an independent heat circulation air duct;

[0016] 2) This baking room is equipped with multiple heating chambers, corresponding to multiple sections of the baking channel, breaking down the traditional baking process into multiple stages. The tobacco leaves are hung (loaded) on a special tobacco-mounting trolley at the mechanized tobacco loading station, and enter the baking channel along the track. They first stay in the first section to complete the pre-yellowing baking, and then enter the second section to stay and complete the post-yellowing baking, until the final dry-rib baking process is completed, completing the full-section baking. The baked tobacco leaves come out of the baking channel exit with the tobacco-mounting trolley and enter the mechanized tobacco unloading station, where they are unloaded from the tobacco-mounting trolley. The entire channel is continuously baked. When the tobacco-hanging trolley (the first batch) in the first section enters the second section, the subsequent tobacco-hanging trolley (the second batch) fills the previous batch of trolleys and enters the first section. In this way, the previous section area completes baking and enters the next area, and the subsequent (batch) tobacco-hanging trolleys follow closely to fill it, until a batch comes out of the baking channel exit and a batch enters the baking channel entrance, forming an assembly line-style industrial baking mode;

[0017] 3) The principle of movable partition docking and closure is adopted to realize the tobacco leaf assembly line baking, which changes the backward production method of hanging and unloading tobacco manually in the narrow loading room of the baking house, realizes the job-based and mechanized loading and unloading of tobacco at the front and back ends, and protects the loading and unloading of tobacco from the influence of smoke and pungent gases, thus ensuring the health of the operators. The large-scale baking of the assembly line is more energy efficient. Compared with the traditional baking, the energy consumption per unit weight of tobacco leaves is less, thus achieving the effect of energy saving and emission reduction of tobacco. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the appearance structure of the channel type baking room of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the channel type baking room of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the channel type baking room facilities of the utility model;

[0021] Figure 4 This is a schematic diagram of the foundation structure of a baking house of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of a trolley without a partition and a trolley with a partition of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the tobacco flue-cured trolley assembly of the utility model entering the baking channel along the track;

[0024] Figure 7 This is a schematic diagram of the independent hot air circulation structure in each area of ​​the utility model.

[0025] In the figure: 1. foundation of baking house, 2. light steel frame of baking house, 3. roof of baking house, 4. baking house body, 5. heating assembly of heating chamber, 6. track of smoke cart in passage, 7. towing motor of smoke cart, 8. electric rolling shutter door at passage entrance, 9. observation window of passage, 10. moisture exhaust window of passage, 11. air supply door of heating chamber, 12. inspection door of heating chamber, 13. air energy heat pump, 14. circulating fan of heating chamber, 15. radiator of heat pump, 16. top isolation board of single zone heat circulation in passage, 17. bottom air duct of single zone heating chamber in passage, 18. bottom air duct of heat circulation in passage area, 19. isolation wall of bottom air duct in single zone in passage, 20. foundation ground, 21. trolley without partition, 22. trolley with partition, 23. smoke rack, 24. track wheel of trolley, 25. partition, 26. connecting rod of trolley, 27. heating chamber, 28. air circulation return air outlet. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1, as Figures 1 to 7 As shown, a channel-type flue-cured tobacco room comprises a flue-cured tobacco room foundation 1, a flue-cured tobacco room light steel frame 2, a flue-cured tobacco room roof 3, a flue-cured tobacco room body 4 and a heating chamber 27. The flue-cured tobacco room light steel frame 2 is fixedly connected to the flue-cured tobacco room foundation 1. The flue-cured tobacco room body 4 is installed on both long sides of the flue-cured tobacco room light steel frame 2. The heating chamber 27 is arranged at the flue-cured tobacco room body 4 on one side. The flue-cured tobacco room roof 3 is installed on the top of the flue-cured tobacco room light steel frame 2. The heating chamber 27 is provided with a heating chamber heating assembly 5.

[0028] The flue-curing house foundation 1 includes a basic ground 20, the upper end surface of the basic ground 20 is provided with a channel area heat circulation bottom air duct 18, a channel smoke trolley track 6 is laid above the basic ground 20, and a plurality of flue-curing trolley components are movably installed on the channel smoke trolley track 6;

[0029] Specifically, the oven foundation 1 adopts the bottom foundation air duct dug down, which is composed of 5 heating rooms and 5 independent lower-level air ducts in the independent channel area. The independent air ducts in the channel area are isolated by brick-concrete low walls. The wall needs to be fully masonry, and the surface is smoothed with cement mortar. The total thickness of the wall is 100 cm; the bottom of the sunken air duct is paved and smoothed with concrete, the thickness of the concrete layer is 100 cm, and waterproof measures are taken;

[0030] The heating chamber heating assembly 5 includes an air energy heat pump 13 and a heating chamber circulation fan 14. The air energy heat pump 13 is installed outside the heating chamber 27, and the hot air outlet of the air energy heat pump 13 is connected to the heating chamber 27. The heating chamber circulation fan 14 is installed in the heating chamber 27;

[0031] Specifically, the room body adopts a light steel frame, the frame uses galvanized square tubes, the square tubes are connected by welding, and the welding points are painted with anti-rust paint. The wall of the room body adopts sandwich color steel plate, each piece of the panel adopts galvanized steel plate edging process, fixed to the frame with rivets, and the gaps between the plates are evenly sealed with glue; 2 pairs of tracks are laid in the baking channel, and a total of two electric winches are equipped for each pair of tracks, which are installed in the middle of the exit track; the 5 baking areas of the channel correspond to 5 heating chambers, and each heating chamber is equipped with an air energy heat pump (baking heat source); each heating chamber is equipped with a circulation fan (airflow rise type) to circulate the heated air into the corresponding baking area.

[0032] Embodiment 2, in addition to all the technical features of Embodiment 1, this embodiment also includes: electric rolling shutter doors 8 are provided at both ends of the baking room light steel frame 2, and the electric rolling shutter doors 8 are respectively installed on the top frame of the baking room light steel frame 2, a channel observation window 9 is provided on the baking room body 4 on the side away from the heating chamber 27, and a channel dehumidification window 10 is provided on the baking room body 4 on the side close to the heating chamber 27, and the inlets and outlets at both ends of the baking room light steel frame 2 can be closed through the electric rolling shutter doors 8, and a closed tobacco curing room can be formed in conjunction with the baking room roof 3 and the baking room body 4, thereby ensuring that when tobacco is cured, the hot air in the tobacco curing room is not easy to overflow, and the curing condition of the tobacco can be checked at any time through the channel observation window 9, and the humid gas generated during the curing process can be discharged through the channel dehumidification window 10.

[0033] The channel area heat circulation bottom air duct 18 is a sunken air duct, and a plurality of channel single area bottom air duct isolation walls 19 are arranged in the channel area heat circulation bottom air duct 18. A channel single area heat circulation top isolation plate 16 is installed at the baking room light steel frame 2 directly above each channel single area bottom air duct isolation wall 19, and the channel area heat circulation bottom air duct 18 is divided into a plurality of channel single area heating chamber bottom air ducts 17 by the channel single area bottom air duct isolation wall 19, and each channel single area heating chamber bottom air duct 17 is provided with A heating chamber 27, and a channel observation window 9 and a channel dehumidification window 10 are provided on the flue-curing room body 4 corresponding to the air duct 17 at the bottom of each channel single-area heating chamber, so that multiple separate flue-curing areas can be formed in the flue-curing room, and different stages of traditional flue-curing process can be carried out in each flue-curing area, that is, the tobacco loading room of the flue-curing room is designed as an assembly line type baking channel, so that baking can be realized in an industrial assembly line operation, and for each flue-curing area, it is also possible to check the flue-curing condition of the tobacco at any time and discharge the humid gas through the channel dehumidification window 10.

[0034] Embodiment three, in addition to all the technical features of embodiment one, this embodiment also includes: the tobacco trolley assembly placed on the channel tobacco trolley track 6 includes two types: a trolley 21 without a partition and a trolley 22 with a partition, and the four corners of the bottom ends of the trolley 21 without a partition and the trolley 22 with a partition are connected with trolley track wheels 24, the trolley track wheels 24 are placed on the channel tobacco trolley track 6, the channel tobacco trolley track 6 is provided with two pairs, and a tobacco trolley towing motor 7 is installed at the outlet end of the channel tobacco trolley track 6, and the towing rope of the tobacco trolley towing motor 7 is connected to the tobacco trolley assembly to facilitate pulling the tobacco trolley assembly to move on the channel tobacco trolley track 6, so that the tobacco trolley assembly can enter the corresponding tobacco curing area in turn for curing at different process stages.

[0035] The bodies of the trolleys 21 without partitions and 22 with partitions are both welded with tobacco hanging racks 23. Several trolleys 21 without partitions are provided, and the trolleys 22 with partitions are respectively provided on both sides of the trolleys 21 without partitions, and the bodies of the trolleys 21 without partitions and the trolleys 22 with partitions are connected by trolley connecting rods 26. Partitions 25 are welded on the outer bodies of the trolleys 22 with partitions, and when the tobacco curing trolley assembly is located above the bottom air duct 17 of any channel single-area heating chamber, the partition 25 and the channel single-area heat circulation top isolation plate 16 and the channel single-area bottom air duct isolation wall 19 are in the same vertical plane, so that when each tobacco curing trolley assembly is moved to the corresponding tobacco curing area, the partition 25 forms an isolation plate between adjacent areas, so that the area forms an independent space, and the heating assembly 5 of the heating chamber corresponding to the area is started to form an independent hot air circulation in the area, and the corresponding stage of baking begins.

[0036] An air circulation return air port 28 is provided on the curing room body 4 connected to the heating chamber 27. The heating chamber 27 is connected to the tobacco curing area through the air circulation return air port 28. A heat pump radiator 15 is also installed in the heating chamber 27 so that the heat source of the air energy heat pump 13 can heat the circulating air through the heat pump radiator 15. The heating chamber circulation fan 14 pushes the air flow into the bottom air duct 17 of the channel single-area heating chamber, and then the tobacco in this area is cured, and the air circulation is realized through the air circulation return air port 28.

[0037] The heating chamber 27 is also provided with a heating chamber air supply door 11 and a heating chamber inspection door 12. When baking, when the temperature and humidity in this area are high, the heating chamber air supply door 11 is opened to inhale the air outside the baking room, breaking the internal air flow balance. The air flow pushes open the channel dehumidification window 10, and the high-temperature and high-humidity air is discharged outside the baking room. When the temperature and humidity meet the requirements, the control system controls the heating chamber air supply door 11 to close, the internal air flow is balanced, and the channel dehumidification window 10 is closed, so as to realize the separate regulation of the baking temperature and humidity requirements of this area.

[0038] Working principle: Before starting the baking in the channel-type baking room, multiple groups of cigarette hanging trolleys are brought into the corresponding areas along the baking channel. The cigarette hanging trolleys are connected to each other with connecting rods in the middle of the bottom. Multiple groups of trolleys are in one row and arranged in two rows on the double tracks of the channel. When baking starts, the trolleys with cigarettes are grouped and arranged in parallel at the entrance of the channel. The trolleys are connected to the front group of trolleys with connecting rods. Two towing motors are started. While the front group of trolleys are pulled out, the group of trolleys with cigarettes at the rear enters the first baking area synchronously. The heating device of the first area is started and operated according to the pre-set parameters. Before the first area is about to reach the pre-baking time, the heating device of the second area is started according to the relay baking parameter requirements. When the time and parameter requirements are met, the two towing motors are started to let the trolleys of one area enter the second area, and the new group of trolleys with cigarettes at the entrance end are also dragged into the first area. This method is used until all areas of the channel enter full-load baking operation. In the full-load baking stage, the group of cigarette hanging trolleys is dragged out of the exit to complete the whole baking process.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0040] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A channel-type tobacco flue-curing room, comprising a flue-curing room foundation (1), a flue-curing room light steel frame (2), a flue-curing room roof (3), a flue-curing room body (4) and a heating chamber (27), characterized in that: The baking room light steel frame (2) is fixedly connected to the baking room foundation (1), the baking room body (4) is installed on the two long sides of the baking room light steel frame (2), and a heating chamber (27) is arranged at the baking room body (4) on one side, the baking room roof (3) is installed on the top of the baking room light steel frame (2), and the heating chamber (27) is provided with a heating chamber heating component (5); The flue-curing house foundation (1) comprises a basic ground surface (20), the upper end surface of the basic ground surface (20) is provided with a channel area heat circulation bottom air duct (18), a channel smoke trolley track (6) is laid above the basic ground surface (20), and a plurality of flue-curing trolley assemblies are movably mounted on the channel smoke trolley track (6); The heating chamber heating component (5) comprises an air energy heat pump (13) and a heating chamber circulation fan (14); the air energy heat pump (13) is installed outside the heating chamber (27), and the hot air outlet of the air energy heat pump (13) is connected to the heating chamber (27); the heating chamber circulation fan (14) is installed inside the heating chamber (27).

2. The channel-type tobacco-curing room according to claim 1, characterized in that: Electric rolling shutter doors (8) are provided at both ends of the baking room light steel frame (2), and the electric rolling shutter doors (8) are respectively installed on the top frame of the baking room light steel frame (2). A channel observation window (9) is provided on the baking room body (4) on the side away from the heating chamber (27), and a channel dehumidification window (10) is provided on the baking room body (4) on the side close to the heating chamber (27). The electric rolling shutter doors (8) can be used to close the entrances and exits of the baking room light steel frame (2) at both ends, and can form a closed tobacco curing room in cooperation with the baking room roof (3) and the baking room body (4).

3. The channel-type tobacco-curing room according to claim 1, characterized in that: The channel area heat circulation bottom air duct (18) is a sinking air duct, and a plurality of channel single area bottom air duct isolation walls (19) are arranged in the channel area heat circulation bottom air duct (18). A channel single area heat circulation top isolation plate (16) is installed on the baking room light steel frame (2) directly above each of the channel single area bottom air duct isolation walls (19). The channel area heat circulation bottom air duct (18) is divided into a plurality of channel single area heating chamber bottom air ducts (17) by the channel single area bottom air duct isolation walls (19). A heating chamber (27) is arranged at each of the channel single area heating chamber bottom air ducts (17), and a channel observation window (9) and a channel dehumidification window (10) are provided on the baking room body (4) corresponding to each of the channel single area heating chamber bottom air ducts (17).

4. The channel-type tobacco-curing room according to claim 1, characterized in that: The flue-cured tobacco trolley assembly placed on the channel tobacco trolley track (6) comprises two types: a trolley without a partition (21) and a trolley with a partition (22). The four corners of the bottom ends of the trolley without a partition (21) and the trolley with a partition (22) are connected to trolley track wheels (24). The trolley track wheels (24) are placed on the channel tobacco trolley track (6). The channel tobacco trolley track (6) is provided with two pairs of wheels. A tobacco trolley towing motor (7) is installed at the outlet end of the channel tobacco trolley track (6). The towing rope of the tobacco trolley towing motor (7) is connected to the flue-cured tobacco trolley assembly.

5. The channel-type tobacco-curing room according to claim 4, characterized in that: The vehicle bodies of the trolley without partition (21) and the trolley with partition (22) are both welded with cigarette hanging racks (23), the trolley without partition (21) is provided with a plurality of trolleys with partition (22), and the trolley with partition (22) is respectively arranged on both sides of the trolley without partition (21), and the vehicle bodies of the trolley without partition (21) and the trolley with partition (22) are connected via a trolley connecting rod (26), a partition (25) is welded on the outer side of the vehicle body of the trolley with partition (22), and when the tobacco flue-curing trolley assembly is located above the bottom air duct (17) of any channel single-zone heating chamber, the partition (25) is in the same vertical plane as the channel single-zone heat circulation top isolation plate (16) and the channel single-zone bottom air duct isolation wall (19).

6. The channel-type tobacco-curing room according to claim 1, characterized in that: An air circulation return air port (28) is provided on a curing room body (4) connected to the heating room (27). The heating room (27) is connected to a tobacco curing area via the air circulation return air port (28). A heat pump radiator (15) is also installed in the heating room (27) so that the heat source of the air energy heat pump (13) can heat the circulating air via the heat pump radiator (15). The heating room circulation fan (14) pushes the air flow into the bottom air duct (17) of the channel single-area heating room, and then the tobacco in the area is cured, and the air flow is circulated via the air circulation return air port (28).

7. The channel-type tobacco curing room according to claim 1, characterized in that: The heating chamber (27) is also provided with a heating chamber air supply door (11) and a heating chamber inspection door (12).

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