A device for drying reconstituted cut tobacco

Abstract

The utility model belongs to tobacco manufacturing technical field discloses a kind of reconstituted stem drying device, including box, rotating cage assembly and hot blast machine, rotating cage assembly is rotatably arranged in box, rotating cage assembly includes inner layer rotating cage and outer layer rotating cage, inner layer rotating cage is coaxially arranged in outer layer rotating cage, and inner layer rotating cage is internally formed into inner drying cavity, outer drying cavity is formed between inner layer rotating cage and outer layer rotating cage, and the peripheral wall of inner layer rotating cage is provided with inner mesh screen hole, and the rotation of inner layer rotating cage can make part of reconstituted stem in inner drying cavity enter outer drying cavity by inner mesh screen hole;Hot blast machine is arranged on box, for conveying hot blast to box inside.One aspect, the rotation of rotating cage assembly can drive reconstituted stem to tumble in inner drying cavity, ensure that reconstituted stem is fully and evenly dried, on the other hand, reconstituted stem can enter outer drying cavity by inner mesh screen hole, realize the dynamic classification of reconstituted stem according to size, avoid reconstituted stem accumulation, shorten drying period, improve the drying efficiency of reconstituted stem.

Description

Technical Field

[0001] This utility model relates to the field of tobacco manufacturing technology, and in particular to a reconstituted stem drying device. Background Technology

[0002] Reconstituted stems are an innovative technology for processing stems proposed in recent years. It mainly involves pressing, cutting, and extracting soluble substances from tobacco stems to obtain filamentous blank stem carriers. Then, a backfill solution made by blending tobacco extract and flavorings is added to the blank stems. After homogenization and drying, reconstituted stem samples are obtained.

[0003] To prepare reconstituted stem samples in the laboratory for evaluating the process and raw material formulation, a large amount of backfill liquid needs to be applied to the blank stem carrier. The moisture content of the backfilled stem samples can reach more than 50%. Currently, industry technicians mostly put the backfilled stems into an oven or hot air pan for drying. Unlike the fluidized bed or drum drying process in the production line, laboratory samples are always in a static stacked state during the drying process in the oven or hot air pan, which cannot achieve uniform drying and has low drying efficiency.

[0004] Therefore, there is an urgent need to develop a device for drying regenerated stems to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a reconstituted stem drying device that can ensure uniform dehydration of experimental samples and improve drying efficiency.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] This utility model embodiment provides a reconstituted stem drying device, including a housing, characterized in that the reconstituted stem drying device further includes:

[0008] A rotating drum assembly is rotatably disposed within the box. The rotating drum assembly includes an inner rotating drum and an outer rotating drum. The inner rotating drum is coaxially disposed within the outer rotating drum. The interior of the inner rotating drum forms an inner drying chamber, and the inner rotating drum and the outer rotating drum form an outer drying chamber. The peripheral wall of the inner rotating drum is provided with an inner mesh screen. The rotation of the inner rotating drum allows some of the reconstituted filaments in the inner drying chamber to pass through the inner mesh screen and enter the outer drying chamber.

[0009] A hot air blower is installed on the housing and is used to deliver hot air into the housing.

[0010] As an optional embodiment of the reconstituted stem drying device, the inner rotating cage includes an inner rotating cage cylinder and inner rotating cage end caps symmetrically arranged at both ends of the inner rotating cage cylinder, and at least one end of the inner rotating cage end cap is detachably connected to the inner rotating cage cylinder.

[0011] The outer rotating cage includes an outer rotating cage cylinder and outer rotating cage end caps symmetrically arranged at both ends of the outer rotating cage cylinder, and at least one end of the outer rotating cage end cap is detachably connected to the outer rotating cage cylinder.

[0012] As an optional embodiment of the reconstituted stem drying device, the reconstituted stem drying device further includes a first motor and a second motor, wherein the inner rotating drum is driven by the first motor and the outer rotating drum is driven by the second motor.

[0013] As an optional embodiment of the reconstituted stem drying device, the outer rotating drum has an outer mesh screen hole on its peripheral wall, and the diameter of the outer mesh screen hole is smaller than that of the inner mesh screen hole.

[0014] As an optional embodiment of the reconstituted stalk drying device, the reconstituted stalk drying device further includes a material collection component, which is disposed below the rotating drum assembly and is used to collect the broken stalks screened out from the outer screen.

[0015] As an optional embodiment of the reconstituted stem drying device, the inner wall of the inner rotating cage and the inner wall of the outer rotating cage are provided with multiple flexible disturbance structures. Each flexible disturbance structure extends along the axial direction of the inner rotating cage and the outer rotating cage, and the flexible disturbance structures of the inner rotating cage and the outer rotating cage are uniformly distributed circumferentially.

[0016] As an optional embodiment of the reconstituted stem drying device, the flexible disturbance structure includes a concave-convex structure, wherein the concave-convex structure is formed by alternating protrusions and depressions spaced apart along the length direction of the flexible disturbance structure.

[0017] As an optional embodiment of the reconstituted stem drying device, the reconstituted stem drying device further includes a first humidity sensor and a second humidity sensor. The first humidity sensor is disposed on the inner wall of the inner rotating drum and is used to monitor the humidity in the inner drying chamber. The second humidity sensor is disposed on the inner wall of the outer rotating drum and is used to monitor the humidity in the outer drying chamber.

[0018] And / or, the reconstituted stem drying device further includes a first temperature monitoring element and a second temperature monitoring element, wherein the first temperature monitoring element is disposed on the inner wall of the inner rotating drum and is used to monitor the temperature inside the inner drying chamber; and the second temperature monitoring element is disposed on the inner wall of the outer rotating drum and is used to monitor the temperature inside the outer drying chamber.

[0019] As an optional embodiment of the reconstituted stem drying device, the reconstituted stem drying device further includes an airflow circulation component, which is disposed on the side wall of the chamber and connects the inside and outside of the chamber. The airflow circulation component can cooperate with the hot air blower to circulate the air inside the chamber so as to make the temperature inside the chamber evenly distributed.

[0020] As an optional embodiment of the reconstituted stem drying device, the reconstituted stem drying device further includes a control panel, which is disposed on the outer wall of the chamber. The control panel is used to control the rotation speed of the inner drum and the outer drum, as well as the power of the hot air blower.

[0021] The beneficial effects of this utility model are:

[0022] The reconstituted stem drying device provided by this utility model allows the operator to open the box door, remove the rotating drum assembly, place an appropriate amount of reconstituted stems in the inner drying chamber of the inner rotating drum, put the rotating drum assembly back into the box, close the box door, and then send hot air into the rotating drum assembly while it rotates. On one hand, the rotation of the rotating drum assembly causes the reconstituted stems to tumble in the inner drying chamber, ensuring that the reconstituted stems are thoroughly and evenly dried. On the other hand, because the inner rotating drum has internal mesh screen holes on its peripheral wall, the reconstituted stems can pass through these holes into the outer drying chamber formed between the inner and outer rotating drums during the drying process. This achieves dynamic grading of the reconstituted stems by size and coordinated drying of the inner and outer drying chambers, preventing the reconstituted stems from accumulating, shortening the drying cycle, and improving the drying efficiency of the reconstituted stems. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the reconstituted stem drying device provided in this embodiment of the utility model;

[0024] Figure 2 This is a cross-sectional view of the rotating drum assembly provided in this embodiment of the utility model.

[0025] In the picture:

[0026] 1. Box body; 11. Box door;

[0027] 2. Rotating drum assembly; 21. Inner rotating drum; 211. Inner screen holes; 22. Outer rotating drum; 221. Outer screen holes; 23. Inner drying chamber; 24. Outer drying chamber; 25. Flexible disturbance structure;

[0028] 3. Hot air blower; 4. Material collection component; 5. Airflow circulation component; 6. Control panel; 7. Rotary shaft assembly; 71. First double-layer rotary shaft; 72. Second double-layer rotary shaft. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0030] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0033] In the existing technology, in order to prepare reconstituted stem samples in the laboratory to evaluate the process and raw material formulation, a large amount of backfill liquid needs to be applied to the blank stem carrier. The moisture content of the backfilled stem samples can reach more than 50%. At present, industry technicians mostly put the backfilled stems into an oven or hot air pot for drying. Unlike the fluidized bed or drum drying process in the production line, the laboratory samples are always in a static stacking state during the drying process in the oven or hot air pot, which cannot achieve uniform drying and has low drying efficiency.

[0034] To address the aforementioned problems, this embodiment provides a reconstituted stem drying device for drying laboratory-produced reconstituted stems. Figure 1 and Figure 2 As shown, the reconstituted stem drying device provided in this embodiment includes a housing 1, a rotating drum assembly 2, and a hot air blower 3. A rotating shaft assembly 7 is connected inside the housing 1, and the rotating shaft assembly 7 is coaxially connected to the rotating drum assembly 2. The rotating drum assembly 2 is rotatably disposed inside the housing 1, and includes an inner rotating drum 21 and an outer rotating drum 22. The inner rotating drum 21 is coaxially disposed inside the outer rotating drum 22. The inner rotating drum 21 forms an inner drying chamber 23, and the inner rotating drum 21 and the outer rotating drum 22 form an outer drying chamber 24. The peripheral wall of the inner rotating drum 21 is provided with an inner mesh screen hole 211. Rotation of the inner rotating drum 21 allows some of the reconstituted stems in the inner drying chamber 23 to pass through the inner mesh screen hole 211 and enter the outer drying chamber 24. The hot air blower 3 is disposed on the housing 1 and is used to deliver hot air into the housing 1. On the one hand, the rotation of the rotating drum assembly 2 will cause the reconstituted stems to tumble in the inner drying chamber 23, ensuring that the reconstituted stems are dried fully and evenly. On the other hand, since the inner rotating drum 21 has an inner mesh screen 211 on its peripheral wall, the reconstituted stems can enter the outer drying chamber 24 formed between the inner rotating drum 21 and the outer rotating drum 22 through the inner mesh screen 211 during the drying process. The inner rotating drum 21 and the outer rotating drum 22 can rotate independently, realizing the dynamic grading of the reconstituted stems according to size and the coordinated drying of the inner drying chamber 23 and the outer drying chamber 24, avoiding the accumulation of reconstituted stems, shortening the drying cycle, and improving the drying efficiency of the reconstituted stems.

[0035] Specifically, the rotating shaft assembly 7 includes a first double-layer rotating shaft 71 and a second double-layer rotating shaft 72. The first double-layer rotating shaft 71 and the second double-layer rotating shaft 72 are mirror-symmetrically arranged on the two side end faces of the rotating cage assembly 2 along the central axis. Their structures, functions, and connection methods of each component are completely identical, only their installation orientations are mirror-symmetrical. Taking the first double-layer rotating shaft 71 as an example, the first double-layer rotating shaft 71 includes a first inner layer shaft and a first outer layer shaft. One end of the first inner layer shaft is fixedly connected to the first side end face of the inner rotating cage 21, and the other end is rotatably connected to the inner side wall of the box 1 opposite to the first side end face of the inner rotating cage 21, so that the inner rotating cage 21 can rotate around its own axis.

[0036] The first outer shaft is coaxially sleeved on the outer circumference of the first inner shaft via a cylindrical roller bearing, and the first inner shaft can rotate freely relative to the first outer shaft. One end of the first outer shaft is fixedly connected to the first side end face of the outer rotating cage 22, and the other end is rotatably connected to the inner side wall of the housing 1, so that the outer rotating cage 22 can rotate around its own axis.

[0037] In this embodiment, the fixed connection between the first inner layer shaft and the first side end face of the inner layer rotating cage 21, and the fixed connection between the first outer layer shaft and the first side end face of the outer layer rotating cage 22, are both welded or riveted, which improves the stability of the fixation between the first inner layer shaft and the inner layer rotating cage 21, and the first outer layer shaft and the outer layer rotating cage 22. The rotational connection between the first inner layer shaft and the inner side wall of the housing 1 is a deep groove ball bearing with a set screw. The outer ring of the deep groove ball bearing is fixed in the mounting hole of the inner side wall of the housing 1. The first inner layer shaft and the inner ring of the bearing are interference-fitted to achieve rotation. A set screw is screwed onto the inner drive shaft outside the bearing, and the end of the screw abuts against the end face of the inner ring of the bearing for axial positioning. During disassembly, the set screw is loosened to release the constraint, and the first inner layer shaft along with the inner ring of the bearing is removed from the mounting hole of the inner side wall of the housing 1, thus completing the disassembly of the first inner layer shaft from the housing 1. The first outer shaft is rotatably connected to the inner wall of housing 1 via a deep groove ball bearing and a set screw. The outer ring of the deep groove ball bearing is fixed in the mounting hole on the inner wall of housing 1. The first outer shaft rotates with the inner ring of the bearing via an interference fit. A set screw is screwed onto the first outer shaft outside the bearing, with the end of the screw pressing against the end face of the inner ring of the bearing for axial positioning. During disassembly, the set screw is loosened to release the constraint, and the first outer shaft, along with the inner ring of the bearing, can be removed from the mounting hole on the inner wall of housing 1. This completes the disassembly of the first outer shaft from housing 1, ensuring the stability of the independent rotation of the inner rotating cage 21 and the outer rotating cage 22, while also facilitating disassembly by the operator.

[0038] Preferably, a rotary sealing ring is provided at the fixed end of the first inner layer shaft and the inner layer rotating cage 21 and at the fixed end of the first outer layer shaft and the outer layer rotating cage 22 to prevent the reconstituted filament sample from entering the gap.

[0039] Specifically, the second double-layer rotating shaft 72 includes a second inner layer shaft and a second outer layer shaft. The second double-layer rotating shaft 72 and the first double-layer rotating shaft 71 are mirror-symmetrically arranged on the two side end faces of the rotating cage assembly 2 about the central axis of the rotating cage assembly 2. Their structures, functions and connection methods of each component are completely identical, only their installation orientation is mirror-symmetrical.

[0040] Specifically, the hot air blower 3 is located at the top of the housing 1 and connects the inside and outside of the housing 1, allowing the hot air blower 3 to supply hot air into the housing 1. The space inside the inner rotating drum 21 forms the inner drying chamber 23, which is used to hold the reconstituted filaments to be dried, and the peripheral wall of the inner rotating drum 21 is provided with an inner mesh screen 211. The space between the peripheral wall of the inner rotating drum 21 and the peripheral wall of the outer rotating drum 22 forms the outer drying chamber 24. When the rotating drum assembly 2 rotates, the relatively short and thin reconstituted filaments in the inner drying chamber 23 can enter the outer drying chamber 24 through the inner mesh screen 211 on the peripheral wall of the inner rotating drum 21, and continuously tumble in the outer drying chamber 24.

[0041] Optionally, the hot air blower 3 can also be installed on the side of the housing 1 to output hot air into the rotating drum assembly 2 to dry the reconstituted filament sample.

[0042] Preferably, the side wall of the chamber 1 is also provided with a door 11, and the door 11 has a transparent glass in the middle, so that the operator can observe the drying status inside the chamber 1 through the transparent glass.

[0043] In some embodiments, the inner rotating cage 21 includes an inner rotating cage cylinder and inner rotating cage end caps symmetrically disposed at both ends of the inner rotating cage cylinder, with at least one inner rotating cage end cap detachably connected to the inner rotating cage cylinder; the outer rotating cage 22 includes an outer rotating cage cylinder and outer rotating cage end caps symmetrically disposed at both ends of the outer rotating cage cylinder, with at least one outer rotating cage end cap detachably connected to the outer rotating cage cylinder. In this embodiment, the detachable connection between the rotating cage end cap and the rotating cage cylinder is either screwed or snap-fitted, which facilitates the operator to pick up and put down the reconstituted filament sample in the rotating cage assembly 2.

[0044] In some embodiments, the rotational speed of the inner rotating drum 21 is greater than that of the outer rotating drum 22. Under the centrifugal force and gravity of the inner rotating drum 21, the relatively short and thin reconstituted stems enter the outer drying chamber 24 from the inner drying chamber 23, thereby achieving size screening of the reconstituted stems. The relatively long and thick reconstituted stems are dried in the inner drying chamber 23, while the relatively short and thin reconstituted stems are dried in the outer drying chamber 24. Furthermore, the outer rotating drum 22 operates at a slower speed, which can protect the structure of the relatively short and thin reconstituted stems from damage.

[0045] In some embodiments, the reconstituted stem drying device further includes a first motor and a second motor. The inner rotating cage 21 is driven by the first motor, and the outer rotating cage 22 is driven by the second motor. The inner rotating cage 21 and the outer rotating cage 22 are driven by different motors, which makes it convenient for operators to set the rotation speed of the inner rotating cage 21 and the rotation speed of the outer rotating cage 22 according to different working conditions, thereby improving the efficiency of dynamic grading of reconstituted stem samples.

[0046] Preferably, the output speed of the first motor is set to be greater than the output speed of the second motor, and the inner rotating cage 21 and the outer rotating cage 22 are driven by independent motors, which can improve the flexibility of speed adjustment of the inner rotating cage 21 and the outer rotating cage 22 and adapt to various working conditions. In this embodiment, both the first motor and the second motor are located inside the housing 1.

[0047] Specifically, the end of the first inner layer shaft connected to the inner wall of the housing 1 and the end of the second inner layer shaft connected to the inner wall of the housing 1 are both electrically connected to the first motor, which can drive the inner layer rotating cage 21 to rotate; the end of the first outer layer shaft connected to the inner wall of the housing 1 and the end of the second outer layer shaft connected to the inner wall of the housing 1 are both electrically connected to the second motor, which can drive the inner layer rotating cage 21 to rotate, so as to realize the independent rotation of the inner layer rotating cage 21 and the outer layer rotating cage 22.

[0048] In some embodiments, the outer rotating drum 22 has an outer mesh screen 221 on its peripheral wall, the diameter of which is smaller than that of the inner mesh screen 211. On the one hand, during the rotation of the outer rotating drum 22, the hot air output by the hot air blower 3 can enter the outer drying chamber 24 through the outer mesh screen 221 to dry the reconstituted filaments in the outer drying chamber 24. On the other hand, this prevents the reconstituted filaments in the outer drying chamber 24 from being thrown out of the outer rotating drum 22 and entering the mechanical components inside the housing 1, thus affecting the service life of the reconstituted filament drying device.

[0049] Preferably, the reconstituted filament drying device further includes a collection component 4, which is located below the rotating drum assembly 2. The collection component 4 is used to collect the broken filaments sieved through the outer mesh screen 221, enabling the detection of the whole filament rate of the reconstituted filament sample and preventing broken filaments from falling into the mechanical components inside the housing 1 and damaging them. In this embodiment, the collection component 4 is a collection tray, or a collection hopper can be used. Its shape, wider at the top and narrower at the bottom, facilitates the collection of broken filaments that fall into the collection hopper, improving convenience.

[0050] In some embodiments, the inner wall of the inner rotating cage 21 and the inner wall of the outer rotating cage 22 are each provided with a plurality of flexible disturbance structures 25. Each flexible disturbance structure 25 extends along the axial direction of the inner rotating cage 21 and the outer rotating cage 22, and the flexible disturbance structures 25 of the inner rotating cage 21 and the outer rotating cage 22 are uniformly distributed circumferentially. The flexible disturbance structure 25 can break the accumulation of reconstituted filaments inside the rotating cage assembly 2, avoiding uneven drying of the reconstituted filaments. In this embodiment, the flexible disturbance structure 25 is a flexible disturbance strip or a flexible disturbance block, which can move and stir the reconstituted filament sample inside the rotating cage assembly 2.

[0051] Specifically, the flexible disturbance structure 25 on the inner wall of the inner rotating cage 21 extends axially along the inner wall of the inner rotating cage 21 and is evenly distributed circumferentially along the inner rotating cage 21. In this embodiment, there are four flexible disturbance structures 25 on the inner wall of the inner rotating cage 21. The flexible disturbance structure 25 on the inner wall of the outer rotating cage 22 extends axially along the inner wall of the outer rotating cage 22 and is evenly distributed circumferentially along the outer rotating cage 22. In this embodiment, there are four flexible disturbance structures 25 on the inner wall of the outer rotating cage 22. The number of flexible disturbance structures 25 in both the inner and outer rotating cages can be appropriately adjusted according to the volume of the reconstituted filaments to be dried.

[0052] Preferably, the flexible disturbance structure 25 includes a concave-convex structure, which is formed by alternating protrusions and depressions spaced apart along the length of the flexible disturbance structure 25. The protrusions are arc-shaped protrusions with a semi-circular cross-section, and the depressions between adjacent protrusions are arc-shaped grooves. The depth of the grooves matches the height of the protrusions, and both the protrusions and depressions extend along the axial direction of the flexible disturbance structure 25, forming a continuous "convex-concave-convex" strip texture. This further improves the dispersion uniformity of the reconstituted filament sample in the rotating drum assembly 2, improves the drying uniformity of the reconstituted filament sample, and simultaneously buffers the impact force of the reconstituted filament sample on the flexible disturbance structure 25, thereby increasing the whole filament yield of the reconstituted filament sample.

[0053] In some embodiments, the reconstituted stem drying device further includes a control panel 6, which is disposed on the outer wall of the housing 1. The control panel 6 is used to control the rotation speed of the inner rotating drum 21 and the outer rotating drum 22, as well as the power of the hot air blower 3. This allows the operator to adjust the rotation speed of the inner rotating drum 21, the rotation speed of the outer rotating drum 22, and the power of the hot air blower 3 according to different working conditions.

[0054] Specifically, the first motor and the second motor are electrically connected to the control panel 6. The control panel 6 can directly control the output speed of the first and second motors. The hot air blower 3 is electrically connected to the control panel 6, and the operator can control the power of the hot air blower 3 through the control panel 6.

[0055] In some embodiments, the reconstituted stem drying device further includes a first humidity sensor and a second humidity sensor. The first humidity sensor is disposed on the inner wall of the inner rotating drum 21 and is used to monitor the humidity in the inner drying chamber 23. The second humidity sensor is disposed on the inner wall of the outer rotating drum 22 and is used to monitor the humidity in the outer drying chamber 24. The humidity sensors can monitor the moisture content of the reconstituted stems in the outer drying chamber 24 and the inner drying chamber 23 in real time.

[0056] Specifically, both the first humidity sensor and the second humidity sensor are communicatively connected to the control panel 6. The control panel can display the moisture content of the reconstituted stem sample monitored by the first humidity sensor and the second humidity sensor in real time, so as to avoid the high moisture content of the dried reconstituted stem or the over-drying of the reconstituted stem affecting the quality of the reconstituted stem.

[0057] Optionally, the reconstituted stem drying device further includes a first temperature monitoring element and a second temperature monitoring element. The first temperature monitoring element is disposed on the inner wall of the inner rotating drum 21 and is used to monitor the temperature inside the inner drying chamber 23; the second temperature monitoring element is disposed on the inner wall of the outer rotating drum 22 and is used to monitor the temperature inside the outer drying chamber 24. The temperature sensor can monitor the temperature inside the chamber 1 in real time. In this embodiment, the first temperature monitoring element is a temperature sensor, and the second temperature monitoring element is a temperature sensor.

[0058] Specifically, both the first and second temperature monitoring devices are communicatively connected to the control panel 6. The control panel 6 can display in real time the temperature of the inner drying chamber 23 monitored by the first temperature monitoring device and the temperature of the outer drying chamber 24 monitored by the second temperature monitoring device. The operator can adjust the power of the hot air blower 3 through the control panel 6 to adjust the temperature of the inner drying chamber 23 and the outer drying chamber 24, so as to facilitate the operator to evaluate the quality changes of the reconstituted filaments inside the chamber 1 after drying at different temperatures.

[0059] Preferably, the reconstituted stem drying device further includes an airflow circulation component 5, which is disposed on the side wall of the chamber 1 and connects the interior and exterior of the chamber 1. The airflow circulation component 5 can work with the hot air blower 3 to circulate the air inside the chamber 1, thereby ensuring a uniform temperature distribution within the chamber 1. The airflow circulation component 5 can optimize the distribution of hot airflow inside the chamber 1, improving drying uniformity and the quality of the reconstituted stem samples. In this embodiment, the airflow circulation component 5 is a circulating fan.

[0060] Specifically, the airflow circulation component 5 connects the inside and outside of the housing 1 and is communicatively connected to the control panel 6. The operator can control the power of the airflow circulation component 5 through the control panel 6 to improve the gas flow in the housing 1 and ensure the uniformity of the internal temperature of the housing 1.

[0061] The working principle of the above embodiments is as follows: When it is necessary to dry the reconstituted filament sample, the operator can open the box door 11 of the box body 1, take out the rotating drum assembly 2 from the inside of the box body 1, remove the inner rotating drum end cap of the inner rotating drum 21, put the reconstituted filament sample into the inner rotating drum 21, put the inner rotating drum end cap back into the end of the inner rotating drum 21, place the collecting component 4 at the bottom of the rotating drum assembly 2, and close the box door 11. The operator can set the power of the hot air blower 3, the rotation speed of the inner rotating drum 21, and the rotation speed of the outer rotating drum 22 via the control panel 6, so that the reconstituted filaments are dried in a preset environment. Since the rotation speed of the inner rotating drum 21 of the rotating drum assembly 2 is greater than that of the outer rotating drum 22, the relatively short and thin reconstituted filament samples can enter the outer drying chamber 24 through the inner mesh screen 211 on the periphery of the inner rotating drum 21. Under the action of the flexible disturbance structure 25, the reconstituted filament samples can be fully tumbled in the inner drying chamber 23 and the outer drying chamber 24, so that the reconstituted filaments are dried evenly. The material collector 4 at the bottom of the rotating drum assembly 2 can collect the broken filaments that fall from the outer screen of the outer rotating drum 22 to evaluate the whole filament rate of the reconstituted filament samples. Operators can adjust the power of the hot air blower 3, the rotation speed of the inner drum 21, the rotation speed of the outer drum 22, and the power of the airflow circulation component 5 through the control panel 6 based on the data monitored by the first humidity sensor, the second humidity sensor, the first temperature detection device, and the second temperature detection device, to ensure that the reconstituted filament sample is dried in a preset environment.

[0062] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A reconstituted stem drying device, comprising a housing (1), characterized in that, The reconstituted stem drying device also includes: Rotary drum assembly (2), the rotary drum assembly (2) is rotatably disposed inside the box body (1), the rotary drum assembly (2) includes an inner rotary drum (21) and an outer rotary drum (22), the inner rotary drum (21) is coaxially disposed inside the outer rotary drum (22), the inner rotary drum (21) forms an inner drying chamber (23), the inner rotary drum (21) and the outer rotary drum (22) form an outer drying chamber (24), the peripheral wall of the inner rotary drum (21) is provided with an inner mesh screen hole (211), the rotation of the inner rotary drum (21) can allow some of the reconstituted filaments in the inner drying chamber (23) to enter the outer drying chamber (24) through the inner mesh screen hole (211). Hot air blower (3), which is installed on the housing (1) and is used to deliver hot air into the housing (1).

2. The reconstituted stem drying device according to claim 1, characterized in that, The inner rotating cage (21) includes an inner rotating cage cylinder and inner rotating cage end caps symmetrically arranged at both ends of the inner rotating cage cylinder, and at least one end of the inner rotating cage end cap is detachably connected to the inner rotating cage cylinder. The outer rotating cage (22) includes an outer rotating cage cylinder and outer rotating cage end caps symmetrically arranged at both ends of the outer rotating cage cylinder, and at least one end of the outer rotating cage end cap is detachably connected to the outer rotating cage cylinder.

3. The reconstituted stem drying device according to claim 1, characterized in that, The reconstituted stem drying device also includes a first motor and a second motor. The inner rotating drum (21) is driven by the first motor, and the outer rotating drum (22) is driven by the second motor.

4. The reconstituted stem drying device according to claim 1, characterized in that, The outer rotating cage (22) has an outer mesh screen (221) on its peripheral wall, and the diameter of the outer mesh screen (221) is smaller than the diameter of the inner mesh screen (211).

5. The reconstituted stem drying device according to claim 4, characterized in that, The reconstituted filament drying device also includes a material collection component (4), which is located below the rotating drum assembly (2) and is used to collect the broken filaments screened out from the outer mesh screen (221).

6. The reconstituted stem drying apparatus according to any one of claims 1-5, characterized in that, The inner wall of the inner rotating cage (21) and the inner wall of the outer rotating cage (22) are provided with a plurality of flexible disturbance structures (25). Each flexible disturbance structure (25) extends along the axial direction of the inner rotating cage (21) and the outer rotating cage (22), and the flexible disturbance structures (25) of the inner rotating cage (21) and the outer rotating cage (22) are uniformly distributed in the circumferential direction.

7. The reconstituted stem drying device according to claim 6, characterized in that, The flexible disturbance structure (25) includes a concave-convex structure, wherein the concave-convex structure is formed by alternating protrusions and depressions spaced apart along the length direction of the flexible disturbance structure (25).

8. The reconstituted stem drying apparatus according to any one of claims 1-5, characterized in that, The reconstituted stem drying device further includes a first humidity sensor and a second humidity sensor. The first humidity sensor is disposed on the inner wall of the inner rotating drum (21) and is used to monitor the humidity in the inner drying chamber (23). The second humidity sensor is disposed on the inner wall of the outer rotating drum (22) and is used to monitor the humidity in the outer drying chamber (24). And / or, the reconstituted stem drying device further includes a first temperature monitoring element and a second temperature monitoring element. The first temperature monitoring element is disposed on the inner wall of the inner rotating drum (21) and is used to monitor the temperature in the inner drying chamber (23). The second temperature monitoring element is disposed on the inner wall of the outer rotating drum (22) and is used to monitor the temperature in the outer drying chamber (24).

9. The reconstituted stem drying apparatus according to any one of claims 1-5, characterized in that, The reconstituted stem drying device also includes an airflow circulation component (5), which is disposed on the side wall of the box (1) and connects the inside and outside of the box (1). The airflow circulation component (5) can cooperate with the hot air blower (3) to circulate the air inside the box (1) so that the temperature inside the box (1) is evenly distributed.

10. The reconstituted stem drying apparatus according to any one of claims 1-5, characterized in that, The reconstituted stem drying device also includes a control panel (6), which is located on the outer wall of the box (1). The control panel (6) is used to control the rotation speed of the inner rotating drum (21) and the outer rotating drum (22), as well as the power of the hot air blower (3).

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