Tobacco strip redrying process testing device

Abstract

The utility model discloses a tobacco sheet redrying process test device which comprises a tobacco sheet material conveying tunnel and tobacco sheet unit conveyors, a conveying track is arranged in the tobacco sheet material conveying tunnel, and at least two tobacco sheet unit conveyors are fixedly connected end to end on the conveying track and run in the tobacco sheet material conveying tunnel; the tobacco sheet material conveying tunnel comprises a drying device, a cooling device and a moisture regaining device which are sequentially communicated in series; the tobacco flake unit conveyor weighing device and the tobacco flake unit conveyor taking-out device are at least arranged between the cooling device and the moisture regaining device. A miniaturized process test of different air inlet modes, different temperature and humidity, different airflow velocity processing technologies and equipment parameters of a plurality of drying areas, a cooling area and a plurality of moisture regaining areas of the continuous online processing tobacco flake redryer is completely simulated, and a tobacco flake unit conveyor weighing device is adopted to convert the moisture content. The change of the moisture content of the tobacco flakes at main process nodes can be quickly and intuitively reflected, and the sampling is flexible and quick.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco redrying, in particular to a test device for cut tobacco redrying process. Background Art

[0002] With the continuous development of domestic fine cut tobacco redrying technology and equipment, in order to improve the quality of tobacco leaves, cut tobacco redrying enterprises pay more and more attention to the sensory quality evaluation of redried cut tobacco, and at the same time put forward higher requirements for studying the redrying process of cut tobacco with different formula modules and controlling the optimal processing parameters. At present, the existing cut tobacco redrying technology and equipment use 3 to 6 zones to carry out redrying and drying processing on cut tobacco, and use 2 to 4 zones to carry out redrying and moisture regain processing on cut tobacco. The length of each zone is 4-8 meters, and the conveying speed of the conveying mesh belt with a width of 3-4 meters for carrying materials for processing is 6-12 m / min, and 100-150 kg of cut tobacco is produced per minute. Using the existing cut tobacco redryer to conduct the process test of the sensory quality evaluation of cut tobacco and the process and control of the optimal processing parameters will inevitably result in high test costs. If the amount of test tobacco leaves is reduced, the test requirements for the stable working conditions of the equipment cannot be met. At present, there are also small-scale unitized drawer-type cut tobacco redrying test devices in the industry. Since they cannot completely simulate the different air inlet methods, different temperature and humidity, and different air flow velocity processes and equipment parameters of multiple drying zones, cooling zones, and multiple moisture regain zones of a continuous on-line cut tobacco redryer, the test conditions and parameters are quite different from the actual application, the data applicability is not high, and it lacks guiding significance. Developing a small-scale test device that can completely simulate the processing technology of the existing cut tobacco redryer and the equipment processing parameters, and at the same time requires less test materials, simple and fast sampling, flexible operation, wide parameter coverage, simple structure, and low investment cost is a difficult problem that cut tobacco redrying enterprises urgently need to solve.

[0003] The patent CN202121059554.0, entitled "A Simulation Device for Cut Tobacco Redrying Process", discloses a device including a baking air box, a moisture regain spray pipeline I, a moisture regain spray pipeline II, a circulating air duct I, a circulating air duct II, a reversing angle actuator, a drying air inlet, a drying air inlet angle actuator, a circulating air angle actuator, a circulating air fan, an exhaust angle actuator, an electric heater, a makeup air angle actuator, a circulating air angle actuator, and a PLC control system. It can quickly simulate the cut tobacco leaf redrying or stem baking state, with low energy consumption, simple maintenance, reasonable structure, convenient operation and maintenance. Most importantly, it can quickly and separately or continuously simulate the state changes of the cut tobacco material in different temperature and humidity environments, providing various guiding data and conclusions for the development and research of flexible aroma-preserving processes and equipment, as well as the baking methods of cut tobacco leaf redrying or stem baking. However, this patented technology uses a reversing regulating air door to quickly simulate the cut tobacco leaf redrying or stem baking state, so it cannot completely simulate the tests of different air inlet methods, different temperature and humidity, and different air flow velocity process and equipment parameters in multiple drying zones, cooling zones, and multiple moisture regain zones of an on-line continuous cut tobacco redryer. The patent CN202021394465.7, entitled "An Experimental Tobacco Leaf Roaster for Simulating Tobacco Redrying Process", discloses an experimental tobacco leaf roaster for simulating tobacco redrying process, including a baking and cooling integrated box, a moisture regain box, an isolation box, a chain conveyor device, a material tray located on the chain conveyor device, a first fan connected to the baking and cooling integrated box through a first air duct, a second fan connected to the moisture regain box through a second air duct, an air heating device connected to the first fan and having a heating channel inside, and the air heating device also having a cold air bypass with a cold and hot air regulating air door at the entrances of the cold air bypass and the heating channel, and an exhaust device connected to the baking and cooling integrated box and the moisture regain box respectively. A switching air door is provided in both the baking and cooling integrated box and the moisture regain box to control the circulating air to flow from top to bottom or from bottom to top in the box. It can completely simulate the operating conditions of the tobacco redrying process in actual production, and has the characteristics of small size, simple and compact structure, and complete functions. However, this patented technology makes full use of the structural design concept of organic integration and multi-purpose use. Through the reasonable setting of multiple switching air doors and the design and cooperation of corresponding structures, it makes it possible to develop an experimental cut tobacco redryer model that is small, flexible, and fully functional and can completely simulate the traditional production line. It completely solves the technical bottleneck of the experimental redrying equipment under the traditional design idea, such as complex structure, large size, and high investment, with seriously unreasonable cost performance. It is especially suitable for the small batch feeding form for experiments. Therefore, it cannot completely simulate the tests of different air inlet methods, different temperature and humidity, and different air flow velocity process and equipment parameters in multiple drying zones, cooling zones, and multiple moisture regain zones of an on-line continuous cut tobacco redryer, and there is no sample detection and sampling device after cooling.Patent CN201110135559.1, titled "White Burley Tobacco Baking Experiment Auxiliary Device and Experimental Method", discloses a white burley tobacco baking experiment auxiliary device and experimental method. Its characteristics include setting a mesh cage for holding experimental white burley tobacco leaves, and synchronously baking the mesh cage with the experimental white burley tobacco leaves on the white burley tobacco baking production line. The baking process is to put the mesh cage into the white burley tobacco feeding port, enter the white burley tobacco drying area along with the white burley tobacco dryer mesh belt, and take it out from the cooling area. Only 0.5 - 2 kg of white burley tobacco leaves are needed to completely simulate the baking process of more than 1000 kg of white burley tobacco leaves required by the normal white burley tobacco dryer baking process, which can ensure that the baking conditions of multiple experiments in the same group are exactly the same, well meeting the requirement of a large number of experiments needed for white burley tobacco processing technology research, and solving the problem of consistency evaluation between the white burley tobacco research laboratory and the pilot test effect. However, this patented technology provides a white burley tobacco baking experiment auxiliary device and experimental method in order to obtain comprehensive technical effects such as completely simulating the baking conditions of the white burley tobacco dryer, being simple, fast, not affecting the enterprise production organization, and basically not wasting tobacco leaf raw materials. Therefore, it cannot completely simulate the tests of different air inlet methods, different temperature and humidity, different air flow speed processes and equipment parameters in multiple drying areas, cooling areas, and multiple rewetting areas of the on-line continuous processing tobacco sheet re-dryer, and there is no sample detection and sampling device after cooling.

[0004] Therefore, it is necessary to develop a miniaturized test device that can completely simulate the processing technology and equipment processing parameters of the existing tobacco sheet re-dryer. At the same time, a tobacco sheet re-drying process test method and its device that require less test materials, are simple and fast in sampling, flexible in operation, wide in parameter coverage, simple in structure, and low in investment cost are the key to solving the above technical problems. Utility Model Content

[0005] The purpose of the present utility model is: aiming at the above existing problems, to provide a tobacco sheet re-drying process test device, which realizes a miniaturized test device that can completely simulate the processing technology and equipment parameters of different air inlet methods, different temperature and humidity, different air flow speeds in multiple drying areas, cooling areas, and multiple rewetting areas of the continuous on-line processing tobacco sheet re-dryer, solves problems such as high test costs, a large amount of test materials, difficult sampling, cumbersome operation, narrow parameter coverage, complex structure, and high investment cost, realizes the process test of completely simulating the continuous on-line processing tobacco sheet re-dryer, is beneficial to improving the sensory evaluation quality of re-dried tobacco sheets, and deeply studying the re-drying process of tobacco sheets in different formula modules and controlling the optimal processing parameters.

[0006] The technical solution of the present utility model is as follows:

[0007] A test device for a cut tobacco redrying process, comprising a cut tobacco material conveying tunnel and a cut tobacco unit conveyor. A conveying track is arranged in the cut tobacco material conveying tunnel. At least two cut tobacco unit conveyors are connected end to end and fixed on the conveying track, and operate in the cut tobacco material conveying tunnel. The cut tobacco material conveying tunnel includes a drying device, a cooling device, and a tempering device that are connected in series in sequence. It also includes a weighing device for the cut tobacco unit conveyor and a taking-out device for the cut tobacco unit conveyor, which are at least arranged between the cooling device and the tempering device.

[0008] Further, the drying device includes a downward air inlet drying device and an upward air inlet drying device, and the tempering device includes an upward air inlet tempering device and a downward air inlet tempering device.

[0009] Further, the possible positions where the weighing device for the cut tobacco unit conveyor and the taking-out device for the cut tobacco unit conveyor can also be arranged include between the downward air inlet drying device and the upward air inlet drying device, between the upward air inlet drying device and the cooling device, between the upward air inlet tempering device and the downward air inlet tempering device, and after the downward air inlet tempering device.

[0010] Further, an on-line temperature and humidity detector, an anemometer, an air temperature and humidity control device, and a fan are arranged in each of the downward air inlet drying device, the upward air inlet drying device, the cooling device, the upward air inlet tempering device, and the downward air inlet tempering device. The on-line temperature and humidity detector and the anemometer real-time monitor the temperature, humidity, flow rate parameters of the air in the device and the material situation, and are connected to a controller to control the air temperature and humidity control device and the fan.

[0011] Further, the weighing device for the cut tobacco unit conveyor includes a front air separation plate, a rear air separation plate, a lifting device for the cut tobacco unit conveyor, a weighing sensor, and a position detection device for the cut tobacco unit conveyor. The weighing device for the cut tobacco unit conveyor lifts when the cut tobacco unit conveyor is in place and weighs the cut tobacco in the cut tobacco unit conveyor.

[0012] Further, the front air separation plate and the rear air separation plate isolate the weighing device for the cut tobacco unit conveyor from the cooling device and the taking-out device for the cut tobacco unit conveyor.

[0013] Further, the taking-out device for the cut tobacco unit conveyor includes a quick-opening door for quickly taking out or placing the cut tobacco unit conveyor.

[0014] Further, the size of the cut tobacco unit conveyor is LXBXH = 300X300X110mm. Each cut tobacco unit conveyor can hold 320g of cut tobacco. The bottom plate, cover plate, and surrounding plates of the cut tobacco unit conveyor are all of a mesh structure.

[0015] Further, the weighing accuracy of the cut tobacco in the cut tobacco unit conveyor by the weighing device for the cut tobacco unit conveyor is ±0.5g, and the response time is 2 - 4s.

[0016] Further, the tobacco slice unit conveyor is manually taken out or placed, with a taking-out time of 6 s and a placing time of 8 s.

[0017] Compared with the existing technology, the beneficial effects of the present utility model are as follows:

[0018] 1. A tobacco slice redrying process test device uses a tobacco slice unit conveyor to hold tobacco slice materials. The tobacco slice unit conveyor is miniaturized and does not leak materials, and is evenly spread by hand in the tobacco slice unit conveyor. The loading weight in each tobacco slice unit conveyor is the same, which can simplify the structure of the test device, ensure the uniformity and consistency of loading, and realize the conversion of the tobacco slice moisture content by the weighing method, ensuring the consistency of test conditions;

[0019] 2. A tobacco slice redrying process test device is a miniaturized test device that can completely simulate the processing technologies and equipment parameters of multiple drying zones, cooling zones, and multiple rehumidifying zones of a continuous online tobacco slice redryer, including different air inlet methods, different temperature and humidity, and different air flow speeds, ensuring the consistency between the test process and parameters and the tobacco slice redryer;

[0020] 3. A tobacco slice redrying process test device uses the weighing method to convert the change in the tobacco slice moisture content. The moisture content parameter of the material is accurate, reliable, and timely, meeting the process test requirements for multiple batches and small batches of tobacco slice redrying, with high test efficiency and low test cost;

[0021] 4. A tobacco slice redrying process test device uses a tobacco slice unit conveyor taking-out device, which can quickly take out or place the tobacco slice unit conveyor, greatly reducing the difficulty of test sampling and detection, with flexible process tests and high test efficiency. Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the overall structure of the device of the present utility model.

[0023] Figure 2 It is a sectional view taken along line A-A of the overall structure of the present utility model.

[0024] Reference numerals: 1 - lower air inlet drying device, 2 - upper air inlet drying device, 3 - cooling device, 4 - upper air inlet rehumidifying device, 5 - lower air inlet rehumidifying device, 6 - tobacco slice material conveying tunnel, 7 - conveying track, 8 - tobacco slice unit conveyor weighing device, 9 - tobacco slice unit conveyor taking-out device, 10 - tobacco slice unit conveyor, 11 - controller, 12 - front air baffle, 13 - rear air baffle, 15 - tobacco slice unit conveyor lifting device, 16 - weighing sensor, 17 - tobacco slice unit conveyor position detection device, 18 - quick-opening door, 21 - on-line temperature and humidity detector, 22 - anemometer, 23 - air temperature and humidity control device, 24 - fan. Detailed Embodiments

[0025] It should be noted that relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0026] The features and performance of the present utility model will be further described in detail below in conjunction with embodiments.

[0027] Embodiment 1

[0028] Please refer to Figure 1 and Figure 2 , a test device for cut tobacco redrying process, comprising a cut tobacco material conveying tunnel 6 and a cut tobacco unit conveyor 10. A conveying track 7 is arranged in the cut tobacco material conveying tunnel 6. At least two cut tobacco unit conveyors 10 are connected end to end and fixed on the conveying track 7 and run in the cut tobacco material conveying tunnel 6. The cut tobacco material conveying tunnel 6 includes a drying device, a cooling device 3 and a tempering device connected in series in sequence. It further includes a cut tobacco unit conveyor weighing device 8 and a cut tobacco unit conveyor taking-out device 9 arranged at least between the cooling device 3 and the tempering device.

[0029] The drying device includes a lower air inlet drying device 1 and an upper air inlet drying device 2. The tempering device includes an upper air inlet tempering device 4 and a lower air inlet tempering device 5. The positions where the cut tobacco unit conveyor weighing device 8 and the cut tobacco unit conveyor taking-out device 9 can be arranged further include between the lower air inlet drying device 1 and the upper air inlet drying device 2, between the upper air inlet drying device 2 and the cooling device 3, between the upper air inlet tempering device 4 and the lower air inlet tempering device 5, and after the lower air inlet tempering device 5.

[0030] Online temperature and humidity detectors 21, anemometers 22, air temperature and humidity control devices 23 and fans 24 are arranged in the lower air inlet drying device 1, the upper air inlet drying device 2, the cooling device 3, the upper air inlet tempering device 4 and the lower air inlet tempering device 5. The online temperature and humidity detectors 21 and the anemometers 22 monitor the temperature, humidity, flow rate parameters of the air in the device and the material conditions in real time, and are connected to a controller 11 to control the air temperature and humidity control devices 23 and the fans 24.

[0031] The weighing device 8 of the tobacco sheet unit conveyor includes a front air baffle 12, a rear air baffle 13, a jacking device 15 for the tobacco sheet unit conveyor, a weighing sensor 16, and a position detection device 17 for the tobacco sheet unit conveyor. The weighing device 8 of the tobacco sheet unit conveyor jacks up when the tobacco sheet unit conveyor 10 is in place and weighs the tobacco sheets in the tobacco sheet unit conveyor 10. The front air baffle 12 and the rear air baffle 13 isolate the weighing device 8 of the tobacco sheet unit conveyor from the cooling device 3 and the taking-out device 9 of the tobacco sheet unit conveyor.

[0032] The taking-out device 9 of the tobacco sheet unit conveyor includes a quick-opening door 18 for quickly taking out or placing the tobacco sheet unit conveyor 10.

[0033] The dimensions of the tobacco sheet unit conveyor 10 are LXBXH = 300X300 X110mm. Each tobacco sheet unit conveyor 10 contains 320g of tobacco sheets. The bottom plate, cover plate, and surrounding plates of the tobacco sheet unit conveyor 10 are all of a mesh structure.

[0034] The weighing accuracy of the tobacco sheets in the tobacco sheet unit conveyor 10 by the weighing device 8 of the tobacco sheet unit conveyor is ±0.5g, and the response time is 2 - 4s.

[0035] The tobacco sheet unit conveyor 10 is taken out or placed manually. It takes 6s to take out and 8s to place.

[0036] It realizes less test materials, simple and rapid sampling, flexible operation, wide parameter coverage range, simple structure, and low investment cost, which is beneficial to improving the sensory evaluation quality of redried tobacco sheets and is beneficial to deeply studying the redrying processing technology and controlling the optimal processing parameters of tobacco sheets in different formula modules.

[0037] Before using a tobacco sheet redrying process test device, it is necessary to calibrate the processing parameters and control parameters such as the air temperature and humidity, air velocity, and material residence time in all functional areas of the lower air inlet drying device 1, upper air inlet drying device 2, cooling device 3, upper air inlet rehumidifying device 4, and lower air inlet rehumidifying device 5 of the test device and the target tobacco sheet redryer, and it can fully simulate the functions, processing parameters, and control parameters of the target tobacco sheet redryer. Prepare multiple spare tobacco sheet unit conveyors 10. Each tobacco sheet unit conveyor 10 has the same structural dimensions and structural forms and equal mass.

[0038] Embodiment 2

[0039] As Figures 1-2As shown, the cut tobacco redrying process test device is started up and preheated according to the process test parameters; the moisture content and temperature of the cut tobacco material for the process test are measured, and the cut tobacco is evenly spread in the cut tobacco unit conveyor 10 manually according to the process test requirements. Each cut tobacco unit conveyor 10 contains 320 g of cut tobacco, and it is ensured that the looseness and uniformity of the cut tobacco contained in the cut tobacco unit conveyor 10 are basically the same; a plurality of cut tobacco unit conveyors 10 containing cut tobacco are placed on the conveying track 7 one by one and sequentially enter the cut tobacco material conveying tunnel 6, and pass through the lower air inlet drying device 1, the upper air inlet drying device 2, and the cooling device 3 in sequence, and the cut tobacco redrying process test device reaches a stable working condition; at the weighing device 8 station of the cut tobacco unit conveyor, when the cut tobacco unit conveyor position detection device 17 detects that the cut tobacco unit conveyor 10 is in place, the cut tobacco unit conveyor lifting device 15 lifts the cut tobacco unit conveyor 10, and the weighing sensor 16 weighs the cut tobacco in the cut tobacco unit conveyor 10 and outputs a weight signal to the controller 11 and converts it into a material moisture content signal; the cut tobacco unit conveyor lifting device 15 returns to its original position, and this cut tobacco unit conveyor 10 continues to move to the right; at the cut tobacco unit conveyor taking-out device 9 station, the quick-opening door 18 is opened manually as required, the cut tobacco unit conveyor 10 is quickly taken out, the cut tobacco in the cut tobacco unit conveyor is sampled and evaluated, or the cut tobacco in the cut tobacco unit conveyor 10 is weighed offline to evaluate the results of the cut tobacco redrying and cooling process tests; the cut tobacco material and the cut tobacco unit conveyor 10 for the process test are recovered to complete the cut tobacco redrying and cooling process tests.

[0040] Example 3

[0041] As Figures 1-2As shown in the figure, the cut tobacco redrying process test device is preheated according to the process test parameters; the moisture content and temperature of the cut tobacco material for the process test are measured, and the leaves are evenly spread in the cut tobacco unit conveyor 10 manually according to the process test requirements. Each cut tobacco unit conveyor 10 contains 320 g of cut tobacco, and it is ensured that the looseness and uniformity of the cut tobacco contained in the cut tobacco unit conveyor 10 are basically the same; a plurality of cut tobacco unit conveyors 10 containing cut tobacco are successively placed on the conveying track 7 and sequentially enter the cut tobacco material conveying tunnel 6, and pass through the lower air inlet drying device 1, the upper air inlet drying device 2, and the cooling device 3 in sequence, and the cut tobacco redrying process test device reaches a stable working condition; at the weighing device 8 station of the cut tobacco unit conveyor, when the position detection device 17 of the cut tobacco unit conveyor detects that the cut tobacco unit conveyor 10 is in place, the cut tobacco unit conveyor lifting device 15 lifts the cut tobacco unit conveyor 10, and the weighing sensor 16 weighs the cut tobacco in the cut tobacco unit conveyor 10 and outputs a weight signal to the controller 11 and converts it into a material moisture content signal; the cut tobacco unit conveyor lifting device (15) returns to its original position, and the cut tobacco unit conveyor 10 continues to move to the right; the controller 11 adjusts the working parameters of the lower air inlet drying device 1, the upper air inlet drying device (2), and the cooling device 3 according to the converted material moisture content signal, controls the air temperature and humidity control device 23 and the fan 24, and realizes the automatic control of the drying moisture of the cut tobacco material for the process test; the cut tobacco unit conveyor 10 sequentially enters the upper air inlet humidifying device 4 and the lower air inlet humidifying device 5; at the outlet of the lower air inlet humidifying device 5, the cut tobacco unit conveyor 10 is quickly taken out manually, the cut tobacco in the cut tobacco unit conveyor is sampled and evaluated, or the cut tobacco in the cut tobacco unit conveyor 10 is weighed offline to evaluate the results of the cut tobacco redrying, cooling, and humidifying process tests; the cut tobacco material and the cut tobacco unit conveyor 10 for the process test are recovered, and the cut tobacco redrying, cooling, and humidifying process tests are completed.

[0042] Example 4

[0043] As Figures 1-2 shown in the figure, the cut tobacco redrying process test device is preheated according to the process test parameters; the moisture content and temperature of the cut tobacco material for the process test are measured, and the leaves are evenly spread in the cut tobacco unit conveyor 10 manually according to the process test requirements. Each cut tobacco unit conveyor 10 contains 320 g of cut tobacco, and it is ensured that the looseness and uniformity of the cut tobacco contained in the cut tobacco unit conveyor 10 are basically the same; a plurality of cut tobacco unit conveyors 10 containing cut tobacco are successively placed on the conveying track 7 from the quick-opening door 18 and sequentially enter the cut tobacco material conveying tunnel 6, and pass through the upper air inlet humidifying device 4 and the lower air inlet humidifying device 5 for the process test; at the outlet of the lower air inlet humidifying device 5, the cut tobacco unit conveyor 10 is quickly taken out manually, the cut tobacco in the cut tobacco unit conveyor is sampled and evaluated, or the cut tobacco in the cut tobacco unit conveyor 10 is weighed offline to evaluate the results of the cut tobacco humidifying process test; the cut tobacco material and the cut tobacco unit conveyor 10 for the process test are recovered, and the cut tobacco humidifying process test is completed.

[0044] Example 5

[0045] It should be noted that, based on Embodiment 2, Embodiment 3, and Embodiment 4, according to the test requirements, the weighing device 8 of the tobacco sheet unit conveyor and the taking-out device 9 of the tobacco sheet unit conveyor can be arranged at multiple workstations such as the left side of the upper-air inlet drying device (2), the left side of the cooling device 3, the left side of the lower-air inlet conditioning device 5, and the right side of the lower-air inlet conditioning device 5, so as to realize the full process or (and) segmented weighing of the tobacco sheets in the tobacco sheet unit conveyor 10 during different drying (cooling, conditioning) processes, output the weight signal to the controller 11, convert it into the moisture content signal of the material, and perform any combination of sampling and evaluation of the tobacco sheets in the tobacco sheet unit conveyor or offline weighing of the tobacco sheets in the tobacco sheet unit conveyor 10, so as to achieve the purpose of the cut tobacco re-drying process test.

[0046] The above-described embodiments only represent the specific implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the protection scope of the present application. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the technical solution of the present application, several deformations and improvements can still be made, and these all belong to the protection scope of the present application.

Claims

1. A tobacco strip redrying process test device, characterized in that: The invention comprises a tobacco sheet material conveying tunnel (6) and a tobacco sheet unit conveyor (10), wherein a conveying track (7) is arranged in the tobacco sheet material conveying tunnel (6), and at least two tobacco sheet unit conveyors (10) are connected end to end and fixed on the conveying track (7) and run in the tobacco sheet material conveying tunnel (6); the tobacco sheet material conveying tunnel (6) comprises a drying device, a cooling device (3) and a rehumidification device which are arranged in series in sequence; and further comprises a tobacco sheet unit conveyor weighing device (8) and a tobacco sheet unit conveyor taking-out device (9) which are arranged at least between the cooling device (3) and the rehumidification device.

2. A tobacco strip redrying process test device according to claim 1, characterized in that: The drying device comprises a lower air inlet drying device (1) and an upper air inlet drying device (2), and the moisture recovery device comprises an upper air inlet moisture recovery device (4) and a lower air inlet moisture recovery device (5).

3. A tobacco strip redrying process test device according to claim 2, characterized in that: The positions where the cigarette unit conveyor weighing device (8) and the cigarette unit conveyor taking-out device (9) can also be arranged include between the lower air inlet drying device (1) and the upper air inlet drying device (2), between the upper air inlet drying device (2) and the cooling device (3), between the upper air inlet dehumidification device (4) and the lower air inlet dehumidification device (5), and after the lower air inlet dehumidification device (5).

4. A tobacco strip redrying process test device according to claim 3, characterized in that: The lower air inlet drying device (1), the upper air inlet drying device (2), the cooling device (3), the upper air inlet dehumidification device (4) and the lower air inlet dehumidification device (5) are all provided with an online temperature and humidity detector (21), an anemometer (22), an air temperature and humidity control device (23) and a fan (24); the online temperature and humidity detector (21) and the anemometer (22) monitor the temperature and humidity, flow rate parameters and material conditions of the air in the device in real time, and are connected to a controller (11) to control the air temperature and humidity control device (23) and the fan (24).

5. A tobacco strip redrying process test device according to claim 1 or 2, characterized in that: The cigarette unit conveyor weighing device (8) comprises a front air baffle (12), a rear air baffle (13), a cigarette unit conveyor lifting device (15), a weighing sensor (16), and a cigarette unit conveyor position detection device (17). The cigarette unit conveyor weighing device (8) is lifted when the cigarette unit conveyor (10) is in place, and the cigarettes in the cigarette unit conveyor (10) are weighed.

6. A tobacco strip redrying process test device according to claim 5, characterized in that: The front air baffle (12) and the rear air baffle (13) isolate the tobacco unit conveyor weighing device (8) from the cooling device (3) and the tobacco unit conveyor taking-out device (9).

7. The tobacco strip redrying process test device according to claim 1, characterized in that: The cigarette unit conveyor removal device (9) comprises a quick-opening door (18) for quickly removing or placing the cigarette unit conveyor (10).

8. The tobacco strip redrying process test device according to claim 1, characterized in that: The dimensions of the tobacco sheet unit conveyor (10) are LXBXH=300X300X110mm, and each tobacco sheet unit conveyor (10) contains tobacco sheets weighing 320g. The bottom plate, cover plate, and surrounding plates of the tobacco sheet unit conveyor (10) are all mesh structures.

9. The tobacco strip redrying process test device according to claim 1, characterized in that: The cigarette unit conveyor weighing device (8) has a weighing accuracy of ±0.5g for the cigarettes in the cigarette unit conveyor (10) and a response time of 2-4s.

10. The tobacco strip redrying process test device according to claim 1, characterized in that: The cigarette sheet unit conveyor (10) is taken out or placed manually, taking out takes 6 seconds, and placing takes 8 seconds.

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