A walking tobacco flue-curing room

Abstract

The present invention relates to a walk-through tobacco flue-curing room comprising a lifting platform, a tobacco flue-curing chamber, and a rehumidification device. A travel drive device drives tobacco hanging racks between the flue-curing chamber, the rehumidification device, and the lifting platform. The lifting platform, the flue-curing chamber, and the rehumidification device are arranged sequentially, and there are multiple flue-curing chambers. Temperature and humidity monitoring devices are installed in the flue-curing chambers and the rehumidification device. A control method is also disclosed. The room can automatically and continuously flue-cure tobacco leaves through digital control.

Description

Technical Field

[0001] The invention relates to the technical field of tobacco flue-curing equipment, in particular to a step-by-step tobacco flue-curing room. Background Art

[0002] Current tobacco curing methods, which mostly rely on hand-woven bamboo poles for hanging tobacco leaves, various tobacco clips for curing, and various loose tobacco curing methods, all present high labor costs and high labor intensity. Some methods also yield substandard curing quality and fail to effectively address the challenge of mechanized tobacco clip curing. Existing curing barns, especially civil construction barns, occupy large areas and significant arable land resources. Cluster-scale construction often limits land availability, hindering the sustainable development of tobacco-growing areas. Summary of the Invention

[0003] In order to solve the technical problems existing in the background technology, the present invention provides a walking tobacco curing room, which can automatically and continuously cure tobacco leaves through digital control.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A walking-type tobacco flue-curing room, comprising:

[0006] Lifting platform, tobacco curing room and moisture-reconditioning device;

[0007] The travel drive device drives the tobacco hanging rack to move between the tobacco curing chamber, the rehumidification device and the lifting platform.

[0008] Furthermore, the lifting platform, the tobacco curing chamber and the rehumidification device are arranged in sequence, and there are several tobacco curing chambers.

[0009] Furthermore, temperature and humidity monitoring devices are provided in the tobacco curing chamber and the rehumidification device.

[0010] Furthermore, the tobacco flue-curing room includes:

[0011] A tobacco curing room, with a tobacco curing cavity installed on one side of the tobacco curing room;

[0012] A hot air blower, wherein the air outlet of the hot air blower is connected to the tobacco curing chamber;

[0013] The fan is arranged at the upper part of the tobacco flue-curing chamber;

[0014] The tobacco flue-curing air vent is opened at the lower end of the tobacco flue-curing cavity;

[0015] A condenser is provided in the tobacco flue-curing cavity;

[0016] A dehumidification channel is provided at the bottom of the tobacco flue-curing room, and a dehumidification damper is provided at the outer end of the dehumidification channel, and the dehumidification damper is located outside the tobacco flue-curing room; a condensation water guide pipe is provided at the bottom end of the dehumidification channel, and the condensation water guide pipe is connected to the outside of the tobacco flue-curing room;

[0017] A fresh air door is provided on the tobacco flue-curing chamber, and the opening of the fresh air door is adjustable.

[0018] Furthermore, the moisture regaining device includes:

[0019] A rehumidification chamber is provided on one side of the rehumidification chamber;

[0020] The upper end of the rehumidification cavity is provided with a first rehumidification air outlet connected to the rehumidification chamber;

[0021] The lower end of the rehumidification cavity is provided with a second rehumidification air outlet connected to the rehumidification chamber;

[0022] A spray device connected to a water mist generator is installed in the rehumidification chamber, and the spray device is located between the first rehumidification air outlet and the second rehumidification air outlet;

[0023] A weighing rail is provided at the bottom of the rehumidification chamber, and a weighing sensor is provided at the lower end of the weighing rail.

[0024] Furthermore, the cigarette rack includes:

[0025] hanging cigarette rack;

[0026] The moving wheel is arranged at the bottom end of the cigarette hanging frame;

[0027] Side panels are provided on opposite sides of the cigarette hanging frame;

[0028] The moving wheel comprises a wheel, and a transverse axis is arranged on one side of the wheel.

[0029] Furthermore, the lifting platform includes:

[0030] Lifting platform, the lifting platform is driven up and down by the lifting mechanism;

[0031] The lifting platform includes a lifting frame, and an upper surface is provided on the upper end surface of the lifting frame, and the upper surface is used for loading tobacco leaves;

[0032] The lifting mechanism includes a plurality of rotatable screw rods, and the lifting platform is connected to the screw rods by transmission;

[0033] A middle frame is provided at the lower end of the lifting frame, a pressure sensor is provided between the middle frame and the lifting frame, and the middle frame is transmission-connected to the screw rod.

[0034] Furthermore, the travel drive device includes:

[0035] A pull rod, which is pulled by a reciprocating drive mechanism;

[0036] The pull rod includes a rod body and a swing rod, and the swing rod is swingably arranged on the rod body;

[0037] The reciprocating drive mechanism includes a transmission chain, a first sprocket and a second sprocket are provided at both ends of the transmission chain, and a section of the transmission chain is connected and fixed to the rod body;

[0038] The rocker arm is provided with a first rotating shaft and a second rotating shaft, the first rotating shaft is located above the second rotating shaft, the first rotating shaft is rotatably connected to the rod body, and the second rotating shaft and the rod body are connected via a cylinder.

[0039] Furthermore, the temperature and humidity monitoring device includes:

[0040] A first connecting rotating column is rotatably arranged on the top of the chamber;

[0041] The second connecting rotating column is rotatably arranged on the top of the cigarette hanging rack, and the cigarette hanging rack can move horizontally relative to the room;

[0042] The first connecting rotating column comprises a first column, on which a first horizontal plug is provided;

[0043] The second connecting rotating column includes a second cylinder, and the second cylinder is provided with a second plug that can be connected to the first plug;

[0044] A main positioning groove is formed on the first column, and a main positioning protrusion is formed on the second column. The main positioning protrusion can be inserted into the main positioning groove;

[0045] Auxiliary positioning grooves are provided on both sides of the main positioning groove, and auxiliary positioning protrusions which can be embedded in the auxiliary positioning grooves are provided on both sides of the main positioning protrusion.

[0046] A control method for a walking-type tobacco flue-curing room comprises the following steps:

[0047] a. Load tobacco leaves onto the hanging rack via the lifting platform at the front;

[0048] b. The travel drive device drives the hanging tobacco rack into the first tobacco flue-curing chamber, and then passes through each tobacco flue-curing chamber in turn, and the hanging tobacco rack stays in each tobacco flue-curing chamber for a certain period of time;

[0049] c. Each tobacco-curing room is used to cure tobacco leaves on the tobacco racks, and the process parameters in each tobacco-curing room are set separately;

[0050] d. The travel drive device drives the tobacco hanging rack to move from the last tobacco curing chamber to the rehumidification device;

[0051] e. The rehumidification device performs rehumidification operation on the tobacco leaves on the hanging rack;

[0052] f. The travel drive device drives the cigarette hanging rack to move to the lifting platform to remove the tobacco leaves on the cigarette hanging rack.

[0053] Beneficial effects of the present invention:

[0054] (1) The present invention can continuously load and discharge tobacco, effectively utilize space and time, save labor, and the quality of the cured tobacco leaves is better.

[0055] (2) The present invention has high heat utilization rate and simple structure, and does not have the problems of smoke exposure and ash cleaning in traditional baking room furnaces.

[0056] (3) The heat circulation device of the present invention is arranged on the top of the baking room, which greatly saves the floor space of the baking room.

[0057] (4) Each area of ​​the present invention can be relatively independent, the baking conditions are easier to control, the condition control is simpler and more convenient, and the baking risk is reduced.

[0058] (5) The tobacco feeding, tobacco leaf conveying and tobacco discharge of the present invention all adopt conveying tracks, which greatly improves the efficiency of tobacco loading, reduces labor costs, and saves time and effort.

[0059] (6) Several baking zones with different temperature ranges were designed to achieve the same baking time, the same baking zone specifications, and time and space coordination, which can achieve continuous and uninterrupted baking. By optimizing the process, the baking energy was increased, and the energy consumption cost of tobacco leaf baking was reduced through uninterrupted baking.

[0060] (7) The three technologies of multi-speed control of dehumidification door, delayed baking at medium and high humidity, and reverse negative pressure extraction are adopted. After baking, the tobacco leaves have a softer structure, more coordinated chemical composition, and better aroma.

[0061] (8) The use of linkage control allows for real-time collection and analysis of tobacco leaf baking data, enabling image recognition, real-time warning, and precise adjustment of baking curves, thus reducing the labor costs of boiler operators.

[0062] (9) The heating system adopts a closed-loop air-energy heat pump, which can fully recycle the heat, realize green and low-carbon baking, and reduce the energy consumption cost of baking.

[0063] (10) Precise control of rehumidification time, temperature and air volume, and precise control of rehumidification status through automatic weighing, reduce the loss rate of tobacco leaves during baking and increase the income of tobacco farmers. BRIEF DESCRIPTION OF THE DRAWINGS

[0064] The present invention will be further described below with reference to the accompanying drawings and examples.

[0065] Figure 1 It is a structural schematic diagram of the present invention;

[0066] Figure 2 It is a structural diagram of a tobacco flue-curing room;

[0067] Figure 3 This is a structural diagram of the tobacco flue-curing chamber from another direction;

[0068] Figure 4 It is a structural schematic diagram of the moisture regaining device;

[0069] Figure 5This is a schematic diagram of the structure of the moisture regaining device in another direction;

[0070] Figure 6 It is a structural diagram of the spray device;

[0071] Figure 7 It is a structural diagram of the cigarette rack;

[0072] Figure 8 This is an exploded view of the cigarette rack;

[0073] Figure 9 It is a structural diagram of the cigarette hanging frame;

[0074] Figure 10 It is a structural diagram of the moving wheel;

[0075] Figure 11 It is a structural diagram of the lifting platform;

[0076] Figure 12 This is a structural diagram of the lifting platform in another direction;

[0077] Figure 13 This is an exploded view of the lifting platform;

[0078] Figure 14 It is a structural diagram of the travel drive device;

[0079] Figure 15 It is a structural schematic diagram of the travel drive device in another direction;

[0080] Figure 16 It is a structural diagram of the pull rod;

[0081] Figure 17 This is the installation diagram of the temperature and humidity monitoring device;

[0082] Figure 18 is a structural schematic diagram of the first connecting rotating column;

[0083] Figure 19 2 is a schematic structural diagram of the second connecting rotating column;

[0084] Figure 20 It is a working diagram of the temperature and humidity monitoring device.

[0085] In the picture:

[0086] 1. Tobacco curing chamber, 2. Rehumidification device, 3. Tobacco hanging rack, 4. Lifting platform, 5. Travel drive device

[0087] 11. Tobacco flue-curing room, 12. Tobacco flue-curing chamber, 13. Dehumidification channel, 14. Condensate diversion pipe, 15. Dehumidification damper, 16. Hot air blower, 17. Maintenance window, 18. Fresh air door, 19. Tobacco flue-curing door, 110. Fan, 111. Tobacco flue-curing air outlet

[0088] 21. Rehumidification chamber, 22. Rehumidification cavity, 23. Spray device, 24. Water mist generator, 25 Weighing rail

[0089] 211. Sensor, 212. Retide Gate

[0090] 221. First backtide vent, 222. Second backtide vent

[0091] 231. Push-pull frame, 232. Spray tube, 233. Flow channel, 234. Interface, 235. Handle

[0092] 31. Cigarette hanging frame, 32. Side panel, 33. Moving wheel, 34. Side door

[0093] 311. First beam, 312. Second beam, 313. Third beam

[0094] 331. Wheel, 332. Horizontal axis

[0095] 41. Lifting platform, 42. Middle frame, 43. Lifting mechanism

[0096] 411. Lifting frame, 412. Upper plane, 413. Vertical slot

[0097] 421.Pressure Sensor

[0098] 431. Motor, 432. Steering box, 433. Drive shaft, 434. Screw, 435. Top frame

[0099] 51. Track, 52. Pull rod, 53. Reciprocating drive mechanism

[0100] 531. Travel drive motor, 532. First sprocket, 533. Transmission chain, 534. Second sprocket

[0101] 521. Rod, 522. Cylinder, 523. Rocker, 524. First Rotating Shaft, 525. Second Rotating Shaft, 526. Opening

[0102] 61. First connecting column, 62. Second connecting column, 63. Detection probe, 64. Chamber

[0103] 611. Rotating column motor, 612. First column, 613. Main positioning slot, 614. First plug, 615. Auxiliary positioning slot

[0104] 621. Second column, 622. Main positioning protrusion, 623. Second plug, 624. Auxiliary positioning protrusion. DETAILED DESCRIPTION

[0105] The present invention will be further described in detail below with reference to the accompanying drawings.

[0106] A walk-through tobacco flue-curing room includes a lifting platform 4, a tobacco flue-curing chamber 1, and a rehumidification device 2. A travel drive 5 drives a tobacco hanging rack 3 between the flue-curing chamber 1, the rehumidification device 2, and the lifting platform 4. The lifting platform 4, the flue-curing chamber 1, and the rehumidification device 2 are arranged in sequence. The flue-curing chamber 1 has several flue-curing chambers 1 and the rehumidification device 2 are equipped with temperature and humidity monitoring devices.

[0107] The tobacco flue-curing room 1 includes a flue-curing chamber 11. A flue-curing chamber 12 is located on one side of the flue-curing chamber 11. The air outlet of a hot air blower 16 is connected to the flue-curing chamber 12. A condenser is located within the flue-curing chamber 12. A fan 110 is located above the flue-curing chamber 12, and a flue-curing air outlet 111 is located at the bottom of the flue-curing chamber 12. Air within the flue-curing chamber 11 is drawn into the flue-curing chamber 12 by the fan 110 at the top. The condenser condenses and removes the water vapor within the flue-curing chamber 11. The air is then heated by the hot air blower 16 and re-enters the flue-curing chamber 11 through the flue-curing air outlet 111 at the bottom, thereby achieving air circulation within the flue-curing chamber 11.

[0108] The bottom of the tobacco flue-curing room 11 is provided with a dehumidification channel 13. A condensation water guide pipe 14 is installed at the bottom of the dehumidification channel 13. This guide pipe 14 communicates with the outside of the tobacco flue-curing room 11. A dehumidification damper 15 is installed at the outer end of the dehumidification channel 13 and is located outside the tobacco flue-curing room 11. Moisture generated by the tobacco leaves can be discharged to the outside through the dehumidification channel 13 and the condensation water guide pipe 14.

[0109] A fresh air door 18 is provided on the tobacco flue-curing chamber 12, and the opening of the fresh air door 18 is adjustable. The fresh air door 18 is linked with the dehumidification air door 15 to accurately control the static pressure in the tobacco flue-curing room 11.

[0110] For ease of operation, a tobacco curing door 19 is provided on one side of the tobacco curing room 11 , and for ease of maintenance of the fan 110 , a maintenance window 17 is provided on the tobacco curing chamber 12 , and the maintenance window 17 is located at the back of the fan 110 .

[0111] The rehumidification device 2 includes a rehumidification chamber 21 for rehumidifying tobacco leaves. A rehumidification cavity 22 is mounted on one side of the rehumidification chamber 21. A first rehumidification air vent 221 is provided at the upper end of the rehumidification cavity 22, communicating with the rehumidification chamber 21. A second rehumidification air vent 222 is provided at the lower end of the rehumidification cavity 22, communicating with the rehumidification chamber 21. Air within the rehumidification chamber 21 enters the rehumidification cavity 22 through the second rehumidification air vent 222. The rehumidification cavity 22 is also equipped with a heating device capable of heating the air passing through it. Furthermore, a spray device 23 connected to a water mist generator 24 is mounted in the rehumidification cavity 22. The spray device 23 is located between the first rehumidification air vent 221 and the second rehumidification air vent 222, and can humidify the air passing through it.

[0112] To facilitate maintenance operations, the spray device 23 is retractable and includes a push-pull frame 231 that is retractably mounted on the rehumidification chamber 22. A plurality of spray tubes 232 are disposed within the push-pull frame 231 and are interconnected via flow channels 233. The outer periphery of the spray tubes 232 is provided with spray holes for spraying water mist.

[0113] An interface 234 is provided on the outside of the push-pull frame 231 , and the interface 234 is communicated with the flow channel 233 , and the water mist generator 24 is communicated with the interface 234 . In order to facilitate operation, a handle 235 is provided on the outside of the push-pull frame 231 .

[0114] In order to facilitate entry into and observation of the rehumidification chamber 21 , an openable and closable rehumidification door 212 is provided on one side of the rehumidification chamber 21 , and a transparent observation window is provided on the rehumidification door 212 .

[0115] A weighing rail 25 is provided at the bottom of the rehumidification chamber 21, and a weighing sensor is installed at the lower end of the weighing rail 25. When the tobacco hanging rack 3 moves onto the weighing rail 25 in the rehumidification chamber 21, the weighing sensor can measure the weight change of the tobacco hanging rack 3, thereby determining the degree of rehumidification of the tobacco leaves.

[0116] In order to monitor the environmental parameters in the rehumidification chamber 21 , a temperature and humidity sensor 211 is provided in the rehumidification chamber 21 .

[0117] The specific structure of the cigarette rack 3 includes a cigarette hanging frame 31, which is welded from square steel pipes. This material has high strength and rigidity, can bear heavy weight, and is not easily deformed or damaged. Furthermore, the shape of the square steel pipes makes the cigarette rack 3 more stable, ensuring the stability and safety of the tobacco.

[0118] The cigarette hanging frame 31 includes a first horizontal beam 311 and a third horizontal beam 313, which are located on opposite sides of the cigarette hanging frame 31. A second horizontal beam 312 is also provided in the middle of the cigarette hanging frame 31. The first, second, and third horizontal beams 311, 312, and 313 are of equal height. This design provides sufficient support strength to ensure the stable hanging of tobacco. Tobacco clips for hanging tobacco leaves can be set between the first, second, and third horizontal beams 311, 312, and 313. The first, second, and third horizontal beams 311, 312, and 313 of different heights can also be used to hang tobacco of different lengths.

[0119] The movable wheel 33 is arranged at the bottom end of the cigarette hanging frame 31, and the movable wheel 33 includes a wheel 331, and a horizontal shaft 332 is provided on one side of the wheel 331. The cigarette hanging rack 3 can be driven to move by pulling the horizontal shaft 332. This design makes the cigarette hanging rack 3 easy to move.

[0120] The side panels 32 are provided on opposite sides of the cigarette hanging frame 31 , and the side panels 32 can play an isolating role, so that the adjacent cigarette hanging racks 3 can maintain relative environmental isolation, thereby providing independent environmental conditions in the cigarette hanging racks 3 .

[0121] A side door 34 that can be opened and closed is provided on one side of the cigarette hanging frame 31. This design allows the staff to hang, take and adjust the tobacco conveniently.

[0122] The bottom of the cigarette hanging frame 31 is provided with a detachable net bag. This design allows staff to easily clean and replace the net bag. When the net bag needs to be cleaned or replaced, it can be easily removed and then cleaned or replaced. At the same time, the design of the net bag can also effectively prevent tobacco from slipping.

[0123] The cigarette rack 31 is equipped with a temperature and humidity sensor. This design allows staff to monitor the temperature and humidity of the tobacco on the cigarette rack 3 in real time. The temperature and humidity sensor provides timely feedback. When the temperature or humidity of the tobacco exceeds the set range, the sensor will sound an alarm, prompting staff to make adjustments. This design helps ensure the quality of the tobacco. Furthermore, the installation of the temperature and humidity sensor helps staff better understand and control the tobacco storage environment, thereby better ensuring the quality of the tobacco.

[0124] The lifting platform 4 includes a lift table 41 that can be raised and lowered. The lift table 41 is driven by a lifting mechanism 43. A vertical slot 413 is provided on the lift table 41. The frame of the cigarette rack 3 fits into the slot 413, allowing the lift table 41 to extend into the interior of the cigarette rack 3. This design facilitates loading and unloading tobacco leaves from the cigarette rack 3.

[0125] The lifting platform 41 includes a lifting frame 411, which is welded from square steel pipes. It has high strength and rigidity, can bear heavy weights, and is resistant to deformation and damage. An upper surface 412 is provided on the upper end surface of the lifting frame 411 for loading tobacco leaves. This surface 412 can carry tobacco leaves into the interior of the tobacco hanging rack 3.

[0126] The lifting mechanism 43 includes several rotatable screw rods 434, which are in driving connection with the lifting platform 41. A steering box 432 is located at the lower end of the screw rods 434, and the steering boxes 432 are connected to each other via a transmission shaft 433. A motor 431 drives the screw rods 434 to rotate synchronously via the transmission shaft 433 and the steering box 432. The rotation of the screw rods 434 drives the lifting platform 41 to move upward and downward.

[0127] In order to make the screw rod 434 more stable, a top frame 435 is provided at the upper end of the screw rod 434 , and the screw rod 434 is rotatably connected to the top frame 435 .

[0128] The lower end of the lifting frame 411 is provided with an intermediate frame 42. A pressure sensor 421 is installed between the intermediate frame 42 and the lifting frame 411. The intermediate frame 42 is in transmission connection with a screw rod 434. The pressure sensor 421 enables the lifting mechanism 43 to have a weighing function. It can monitor the weight of the tobacco leaves in real time. When the weight exceeds the set range, the sensor will sound an alarm, prompting the staff to make adjustments.

[0129] The travel drive device 5 includes two parallel pull rods 52, which are pulled by a reciprocating drive mechanism 53. A track 51 is provided on one side of the pull rod 52, and the track 51 is parallel to the pull rod 52. The pull rod 52 can drive the cigarette hanging rack 3 to move intermittently along the track 51 in a step-by-step manner.

[0130] The reciprocating drive mechanism 53 specifically includes a transmission chain 533, with a first sprocket 532 and a second sprocket 534 disposed at both ends. One end of the transmission chain 533 is fixedly connected to the rod 521, and the transmission chain 533 is capable of driving the rod 521 to move. The first sprocket 532 is driven by a travel drive motor 531. The travel drive motor 531 drives the transmission chain 533 to rotate via the first sprocket 532.

[0131] The pull rod 52 comprises a rod body 521 and a swing arm 523. The swing arm 523 is swingably mounted on the rod body 521 and can be swung outward from the rod body 521. The swing arm 523 is provided with a first rotating shaft 524 and a second rotating shaft 525. The first rotating shaft 524 is located above the second rotating shaft 525 and is rotatably connected to the rod body 521. The second rotating shaft 525 and the rod body 521 are connected via a cylinder 522. The rod body 521 is hollow, with the swing arm 523 and the cylinder 522 mounted within the rod body 521. An opening 526 is defined at the upper end of the rod body 521. The swing end of the swing arm 523 can swing outward from the opening 526 and press against the side edge of the opening 526. When the cylinder 522 extends, the swing arm 523 swings downward into the rod body 521, disengaging from the cigarette rack 3. When the cylinder 522 is shortened, the swing arm 523 swings upward and out of the rod body 521, with the swinging end of the swing arm 523 pressing against the side edge of the opening 526. The pull rod 52, through the swing arm 523, drags the horizontal axis 332, causing the cigarette rack 3 to move. The side edge of the opening 526 further reinforces and supports the swing arm 523, making it more stable when dragging the cigarette rack 3.

[0132] The temperature and humidity monitoring device includes a first connecting post 61 rotatably mounted on the top of a chamber 64 and a second connecting post 62 rotatably mounted on the top of a cigarette rack 3. The cigarette rack 3 is movable horizontally relative to the chamber 64. The first and second connecting posts 61 and 62 are electrically connected, connecting the temperature and humidity sensor on the cigarette rack 3 to the outside world. The temperature and humidity sensor on the cigarette rack 3 includes several detection probes 63 located at different locations on the rack 3. These probes 63 are electrically connected to a second plug 623.

[0133] The first connecting column 61 specifically comprises a first column 612. A column motor 611 located at the top of the chamber 64 drives the first column 612 to rotate. A horizontal first plug 614 is mounted on the first column 612. The second connecting column 62 specifically comprises a second column 621, which is equipped with a second plug 623 that connects to the first plug 614. A torsion spring is installed between the second column 621 and the cigarette rack 3 to reset the second column 621. When the first plug 614 and the second plug 623 are connected, the temperature and humidity sensor on the cigarette rack 3 is connected.

[0134] The first column 612 defines a primary positioning slot 613, and the second column 621 defines a primary positioning protrusion 622, which can be inserted into the primary positioning slot 613. Both the primary positioning slot 613 and the primary positioning protrusion 622 are horizontally trapezoidal. The first plug 614 is located at the bottom of the primary positioning slot 613, and the second plug 623 is located at the top of the primary positioning protrusion 622. This structure ensures horizontal alignment between the first plug 614 and the second plug 623.

[0135] Auxiliary positioning grooves 615 are formed on either side of the primary positioning groove 613, and auxiliary positioning protrusions 624 are formed on either side of the primary positioning protrusion 622, which can be inserted into the auxiliary positioning grooves 615. The auxiliary positioning grooves 615 and auxiliary positioning protrusions 624 are vertically trapezoidal. This structure allows the first plug 614 and the second plug 623 to be vertically aligned.

[0136] During operation, when the cigarette rack 3 enters the chamber 64, the main positioning protrusion 622 is aligned and inserted into the main positioning groove 613, thereby connecting the temperature and humidity sensor. When the cigarette rack 3 leaves the chamber 64, the first connecting rod 61 and the second connecting rod 62 first rotate 180 degrees, and then the cigarette rack 3 moves, and the main positioning protrusion 622 disengages from the main positioning groove 613.

[0137] A control method for a walking-type tobacco flue-curing room comprises the following steps:

[0138] a. Load the tobacco leaves onto the hanging rack 3 through the front lifting platform 4;

[0139] b. The travel drive device 5 drives the hanging rack 3 into the first tobacco flue-curing chamber 1, and then sequentially passes through each tobacco flue-curing chamber 1, and the hanging rack 3 stays in each tobacco flue-curing chamber 1 for a certain period of time;

[0140] c. Each tobacco-curing chamber 1 is used to bake tobacco leaves on the tobacco rack 3, and the process parameters of each tobacco-curing chamber 1 are set individually;

[0141] d. The travel drive device 5 drives the tobacco hanging rack 3 to move from the last tobacco curing chamber 1 to the rehumidification device 2;

[0142] e. Rehumidification device 2 performs rehumidification operation on the tobacco leaves hanging on the tobacco rack 3;

[0143] f. The travel drive device 5 drives the cigarette hanging rack 3 to move to the lifting platform 4, and removes the tobacco leaves on the cigarette hanging rack 3.

Claims

1. A walking tobacco flue-curing room, characterized in that: include: A lifting platform (4), a tobacco curing chamber (1) and a rehumidification device (2); the lifting platform (4), the tobacco curing chamber (1) and the rehumidification device (2) are arranged in sequence, and the tobacco curing chamber (1) has a plurality of them; The travel drive device (5) drives the tobacco hanging rack (3) to move between the tobacco curing chamber (1), the rehumidification device (2) and the lifting platform (4); The tobacco curing chamber (1) and the moisture reconditioning device (2) are provided with temperature and humidity monitoring devices; The temperature and humidity monitoring device comprises: A first connecting rotating column (61) is rotatably disposed on the top of the chamber (64); A second connecting rotating column (62) is rotatably arranged on the top of the cigarette hanging rack (3), and the cigarette hanging rack (3) can move horizontally relative to the chamber (64); The first connecting rotating column (61) comprises a first column (612), and a first plug (614) in a horizontal direction is provided on the first column (612); The second connecting rotating column (62) comprises a second column (621), and the second column (621) is provided with a second plug (623) that can be connected to the first plug (614); The first column (612) is provided with a main positioning groove (613), and the second column (621) is provided with a main positioning protrusion (622), and the main positioning protrusion (622) can be inserted into the main positioning groove (613); Auxiliary positioning grooves (615) are provided on both sides of the main positioning groove (613), and auxiliary positioning protrusions (624) that can be inserted into the auxiliary positioning grooves (615) are provided on both sides of the main positioning protrusion (622).

2. The walking-type tobacco flue-curing room according to claim 1, characterized in that: The tobacco curing chamber (1) comprises: A tobacco curing room (11), wherein a tobacco curing chamber (12) is provided on one side of the tobacco curing room (11); a hot air blower (16), wherein an air outlet of the hot air blower (16) is in communication with the tobacco curing chamber (12); A fan (110) is provided at the upper portion of the tobacco curing chamber (12); A tobacco flue-curing air outlet (111) is provided at the lower end of the tobacco flue-curing cavity (12); A condenser is provided in the tobacco curing chamber (12); The bottom of the tobacco curing room (11) is provided with a dehumidification channel (13), the outer end of the dehumidification channel (13) is provided with a dehumidification damper (15), and the dehumidification damper (15) is located outside the tobacco curing room (11); the bottom end of the dehumidification channel (13) is provided with a condensation water A guide pipe (14), wherein the condensed water guide pipe (14) is connected to the outside of the tobacco curing room (11); The tobacco curing chamber (12) is provided with a fresh air door (18), and the opening of the fresh air door (18) is adjustable.

3. The walking-type tobacco flue-curing room according to claim 1, characterized in that: The moisture regaining device (2) comprises: A rehumidification chamber (21), wherein a rehumidification cavity (22) is provided on one side of the rehumidification chamber (21); The upper end of the rehumidification cavity (22) is provided with a first rehumidification air outlet (221) communicating with the rehumidification chamber (21); A second rehumidification air outlet (222) communicating with the rehumidification chamber (21) is provided at the lower end of the rehumidification cavity (22); A spray device (23) connected to a water mist generator (24) is installed in the rehumidification chamber (22), and the spray device (23) is located between the first rehumidification air outlet (221) and the second rehumidification air outlet (222); A weighing rail (25) is provided at the bottom of the rehumidification chamber (21), and a weighing sensor is provided at the lower end of the weighing rail (25).

4. The walking-type tobacco flue-curing room according to claim 1, characterized in that: The cigarette hanging rack (3) comprises: cigarette hanging frame (31); A moving wheel (33) is provided at the bottom end of the cigarette hanging frame (31); Side panels (32) are provided on two opposite sides of the cigarette hanging frame (31); The moving wheel (33) comprises a wheel (331), and a transverse axis (332) is provided on one side of the wheel (331).

5. The walking-type tobacco flue-curing room according to claim 1, characterized in that: The lifting platform (4) comprises: A lifting platform (41), wherein the lifting platform (41) is driven to move up and down by a lifting mechanism (43); The lifting platform (41) comprises a lifting frame (411), an upper end surface of the lifting frame (411) is provided with an upper plane (412), and the upper plane (412) is used for loading tobacco leaves; The lifting mechanism (43) includes a plurality of rotatable screw rods (434). The lifting platform (41) and the screw rods (434) are connected to the lower end of the lifting frame (411) via transmission. An intermediate frame (42) is provided. A pressure sensor (421) is provided between the intermediate frame (42) and the lifting frame (411). The intermediate frame (42) is connected to the screw rods (434) via transmission.

6. The walking-type tobacco flue-curing room according to claim 1, characterized in that: The travel drive device (5) comprises: A pull rod (52), wherein the pull rod (52) is pulled by a reciprocating drive mechanism (53); The pull rod (52) includes a rod body (521) and a swing rod (523), and the swing rod (523) is swingably arranged on the rod body (521); The reciprocating drive mechanism (53) includes a transmission chain (533), and first sprockets are provided at both ends of the transmission chain (533). (532) and a second sprocket (534), a section of the transmission chain (533) is connected and fixed to the rod body (521); The rocker arm (523) is provided with a first rotating shaft (524) and a second rotating shaft (525). The first rotating shaft (524) is located above the second rotating shaft (525). The first rotating shaft (524) is rotatably connected to the rod body (521). The second rotating shaft (525) and the rod body (521) are connected via a cylinder (522).

7. A control method for a walking-type tobacco flue-curing room, according to any one of claims 1 to 6, characterized in that: The steps include: a. Load the tobacco leaves onto the tobacco hanging rack (3) via the front lifting platform (4); b. The travel drive device (5) drives the tobacco hanging rack (3) into the first tobacco curing room (1), and then passes through each tobacco curing room in turn (1), the tobacco hanging rack (3) stays in each tobacco curing room (1) for a certain period of time; c. Each tobacco-curing chamber (1) is used to bake the tobacco leaves on the tobacco rack (3). The process parameters in each tobacco-curing chamber (1) are The number is set individually; d. The travel drive device (5) drives the tobacco hanging rack (3) to move from the last tobacco curing chamber (1) to the rehumidification device (2); e. The rehumidification device (2) performs rehumidification operation on the tobacco leaves on the hanging rack (3); f. The travel drive device (5) drives the tobacco hanging rack (3) to move to the lifting platform (4) and removes the tobacco leaves on the tobacco hanging rack (3).

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