Leaf moistening and impurity removing device

Abstract

The utility model relates to the tobacco leaf redrying processing technical field, specifically disclose a leaf moistening and impurity removing equipment. The equipment includes leaf moistening frame, leaf moistening cylinder and suction module, the leaf moistening frame includes the first connecting seat and the second connecting seat of opposite position fixed, the leaf moistening cylinder can rotate around its own axis, one end of leaf moistening cylinder and the first connecting seat rotate and cooperate, the other end and the second connecting seat rotate and cooperate, and the leaf moistening cylinder, the first connecting seat and the second connecting seat enclose the leaf moistening cavity, the suction module includes the moisture exhaust fan, the moisture exhaust air pipe, the cyclone impurity removing device and the return air pipe that communicate in proper order, the first connecting seat is provided with the return air opening, and the return air opening is linked with the return air pipe and communicates, and the moisture exhaust fan is used for extracting the air in the leaf moistening cavity, and the cyclone impurity removing device is used for removing the impurity in the air, and the moisture exhaust air pipe is equipped with the screen impurity board. The equipment is used through the structural optimization design, removes the impurity capacity, improves the effect of leaf moistening and impurity removing to satisfy the requirement to the material quality.

Description

Technical Field

[0001] This utility model relates to the field of tobacco leaf re-drying processing technology, and in particular to a leaf moistening and impurity removal device. Background Technology

[0002] In China's tobacco processing industry, the packaging and impurity removal of virgin tobacco leaves are crucial steps. Currently, virgin tobacco leaves are generally packaged in hemp sheets. However, during the processes of purchasing, transporting, and selecting leaves at tobacco stations, repeated loading, unloading, and opening of the sheets result in a large amount of fine hemp fibers being mixed into the tobacco leaves. In the re-drying process, manual selection alone is insufficient to effectively remove these fibers. Existing methods mainly include gravity air separation and hemp fiber binding devices, but both are not ideal. The hemp fibers flowing out after air separation are mixed with a large number of broken leaves, requiring secondary manual removal; hemp fiber binding devices can only remove impurities from the upper and lower surfaces of the tobacco leaf stream. With increasing demands for high-quality raw material development, the standards for controlling impurities in finished tobacco sheets are becoming increasingly stringent. Therefore, exploring the removal effects of more impurity removal equipment is of great significance for improving the purity of finished tobacco sheets.

[0003] The cyclone impurity removal device on the leaf-driing machine used in the machining center has shown limited effectiveness in removing fine impurities during actual production, and has been largely unused during processing in recent years. Analysis revealed that the main reason lies in the mesh-like baffle originally designed and installed inside the leaf-driing machine's return air duct. This baffle is intended to prevent debris and impurities carried in the return airflow from entering the exhaust fan and damaging the impeller. However, during production, all the material carried by the return airflow is adsorbed onto the baffle and cannot enter the cyclone impurity removal and degassing chamber. Even with regular manual cleaning of the baffle, this problem cannot be effectively solved. Utility Model Content

[0004] The purpose of this invention is to provide a leaf-moistening and impurity-removing device to improve the ability to remove impurities and enhance the effect of leaf-moistening and impurity-removing, so as to meet the requirements for material quality.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A leaf-wetting and impurity-removing device is used to process materials mixed with impurities. The device includes a leaf-wetting frame, a leaf-wetting cylinder, and a suction module. The leaf-wetting frame includes a first connecting seat and a second connecting seat fixed in relative positions. The leaf-wetting cylinder can rotate around its own axis. One end of the cylinder is rotatably engaged with the first connecting seat, and the other end is rotatably engaged with the second connecting seat. The cylinder, the first connecting seat, and the second connecting seat form a leaf-wetting cavity. The suction module includes a dehumidifying fan, a dehumidifying duct, a cyclone impurity-removing device, and a return air duct connected in sequence. The first connecting seat has a return air inlet, which is connected to the return air duct. The dehumidifying fan is used to extract air from the leaf-wetting cavity, the cyclone impurity-removing device is used to remove impurities from the air, and the dehumidifying duct has a sieve plate inside.

[0007] As an optional technical solution for the leaf humidification and impurity removal equipment, the leaf humidification and impurity removal equipment also includes a hot air module. The second connecting seat is provided with a hot air outlet. The hot air module blows hot and humid air into the leaf humidification chamber through the hot air outlet. The hot air outlet is located at the two o'clock to three o'clock position when the leaf humidification cylinder rotates clockwise.

[0008] As an optional technical solution for the leaf humidification and impurity removal equipment, the leaf humidification and impurity removal equipment further includes a steam supply device, wherein a steam nozzle is provided in the hot air inlet, and the steam supply device sprays steam into the leaf humidification chamber through the steam nozzle; and / or, the leaf humidification and impurity removal equipment further includes a water supply device and a steam supply device, wherein a mixing nozzle is provided in the return air inlet, and the water supply device and the steam supply device spray a steam-water mixture into the leaf humidification chamber through the mixing nozzle.

[0009] As an optional technical solution for the leaf humidification and impurity removal equipment, the leaf humidification and impurity removal equipment further includes a first steam pipe, the steam nozzle being connected to the steam supply device through the first steam pipe, and the first steam pipe being fixedly installed on the inner wall of the hot air inlet; and / or, the leaf humidification and impurity removal equipment further includes a second steam pipe, the mixing nozzle being connected to the water supply device and the steam supply device through the second steam pipe, and the second steam pipe being fixedly installed on the inner wall of the return air inlet.

[0010] As an optional technical solution for the leaf humidification and impurity removal equipment, the bottom end of the inner wall of the return air inlet is provided with an inclined surface, which is inclined towards the leaf humidification cylinder in the direction from top to bottom.

[0011] As an optional technical solution for leaf moistening and impurity removal equipment, the cyclone impurity removal device includes a degassing chamber and an impurity removal chamber. The degassing chamber is connected to the dehumidification duct, which extracts gas from the degassing chamber. The impurity removal chamber is used to collect solid impurities from the degassing chamber. A spiral heating tube is coiled around the inner wall of the impurity removal chamber, and the spiral heating tube is used to heat the air in the impurity removal chamber.

[0012] As an optional technical solution for leaf moistening and impurity removal equipment, the cyclone impurity removal device is also provided with an impurity discharge port that is connected to the external environment, and an impurity discharge door for opening and closing the impurity discharge port is connected to the impurity discharge port.

[0013] As an optional technical solution for the leaf moistening and impurity removal equipment, the hot air module is equipped with a radiator, which has an air inlet and an air outlet. The hot air module is connected to the air outlet, and the air inlet is movably connected to several door panels, which can partially block the air inlet.

[0014] As an optional technical solution for the leaf-moistening and impurity-removing equipment, the radiator also includes a damper frame, which is provided with a damper groove, and the damper frame and the damper groove are slidably engaged.

[0015] As an optional technical solution for the leaf-moistening and impurity-removing equipment, the first connecting seat is provided with an inlet, and the second connecting seat is provided with an outlet. The material enters the leaf-moistening chamber from the inlet, and the material in the leaf-moistening chamber is discharged from the outlet. The axis of the leaf-moistening cylinder is inclined downward along the direction from the first connecting seat to the second connecting seat.

[0016] The beneficial effects of this utility model are:

[0017] The first and second connecting seats on the leaf-wetting frame of this leaf-wetting and impurity-removing equipment are fixed in relative positions, providing stable support for the leaf-wetting cylinder. The leaf-wetting cylinder can rotate around its own axis, allowing the material to be fully agitated within the leaf-wetting chamber, forming a wettability zone. This ensures the stability of the leaf-wetting cylinder during rotation, providing a stable and reliable space for the material's wettability treatment, allowing the material to undergo uniform wettability treatment in a favorable environment. The suction module draws air from the leaf-wetting chamber through an exhaust fan, causing the air carrying impurities to pass sequentially through the return air duct, the cyclone impurity removal device, and the exhaust air duct. The cyclone impurity removal device effectively removes impurities from the air, and the screen plate in the exhaust air duct further filters impurities, protecting the exhaust fan and ensuring the cleanliness of the discharged air. Simultaneously, air circulation is formed, facilitating impurity removal, improving the impurity removal effect of the leaf-wetting and impurity-removing equipment, and reducing the impurity content in the material. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the leaf-moistening and impurity-removing device provided in an embodiment of this utility model;

[0019] Figure 2 yes Figure 1 Cross-sectional view of plane AA;

[0020] Figure 3 This is a schematic diagram of the cyclone impurity removal device provided in this embodiment of the utility model;

[0021] Figure 4 This is a partial structural schematic diagram of the heat sink provided in an embodiment of the present invention.

[0022] In the picture:

[0023] 100. Cyclone impurity removal device; 110. Degassing chamber; 120. Impurity removal chamber; 121. Spiral heating tube;

[0024] 200. Return air duct;

[0025] 300. Sieve plate;

[0026] 400. Hot air module;

[0027] 500. Lubricating leaf cylinder;

[0028] 600. Exhaust duct;

[0029] 700. Radiator; 710. Damper frame; 720. Door panel;

[0030] 810. First connecting seat; 820. Second connecting seat; 821. Discharge port; 822. Hot air port; 823. Steam nozzle. Detailed Implementation

[0031] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions. Moreover, "above," "on top of," and "over" the first feature in relation to the second feature includes the first feature directly above and diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "under," and "below" the first feature in relation to the second feature includes the first feature directly below and diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of 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.

[0034] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0035] like Figures 1 to 4 As shown, this embodiment provides a leaf-wetting and impurity-removing device for processing materials mixed with impurities. The leaf-wetting and impurity-removing device includes a leaf-wetting frame, a leaf-wetting cylinder 500, and a suction module. The leaf-wetting frame includes a first connecting seat 810 and a second connecting seat 820 fixed in relative positions. The leaf-wetting cylinder 500 can rotate around its own axis. One end of the leaf-wetting cylinder 500 is rotatably engaged with the first connecting seat 810, and the other end is rotatably engaged with the second connecting seat 820. The leaf-wetting cylinder 500, the first connecting seat 810, and the second connecting seat 820 form a leaf-wetting cavity. The suction module includes a dehumidifying fan, a dehumidifying duct 600, a cyclone impurity-removing device 100, and a return air duct 200 connected in sequence. The first connecting seat 810 has a return air inlet, which is connected to the return air duct 200. The dehumidifying fan is used to extract air from the leaf-wetting cavity, the cyclone impurity-removing device 100 is used to remove impurities from the air, and the dehumidifying duct 600 is provided with a screen plate 300.

[0036] The first connecting seat 810 and the second connecting seat 820 on the leaf-wetting and impurity-removing equipment are fixed in relative positions, providing stable support for the leaf-wetting cylinder 500. The leaf-wetting cylinder 500 can rotate around its own axis, allowing the material to be fully agitated within the leaf-wetting chamber, forming a wettability zone. This ensures the stability of the leaf-wetting cylinder 500 during rotation, providing a stable and reliable space for the material's leaf-wetting process, allowing the material to undergo uniform leaf-wetting in a favorable environment. The suction module draws air from the leaf-wetting chamber through an exhaust fan, causing the air carrying impurities to pass sequentially through the return air duct 200, the cyclone impurity-removing device 100, and the exhaust air duct 600. The cyclone impurity-removing device 100 effectively removes impurities from the air, and the screen plate 300 in the exhaust air duct 600 further filters impurities, protecting the exhaust fan and ensuring the cleanliness of the discharged air. Simultaneously, air circulation is formed, facilitating impurity removal, improving the impurity removal effect of the leaf-wetting and impurity-removing equipment, and reducing the impurity content in the material.

[0037] In this embodiment, the material is tobacco leaves. Using the cyclone impurity removal device 100 to process the tobacco leaves facilitates the removal of fine impurities, improving the purity of the tobacco leaves. Simultaneously, this design reduces the likelihood of impurities causing unpleasant odors during subsequent cigarette production, thus avoiding impacting the consumer's smoking experience.

[0038] In this embodiment, the leaf humidification and impurity removal device also includes a hot air module 400. The second connecting seat 820 has a hot air outlet 822. The hot air module 400 blows hot and humid air into the leaf humidification chamber through the hot air outlet 822. The hot air outlet 822 is located at the two o'clock to three o'clock position when the leaf humidification cylinder 500 rotates clockwise.

[0039] The hot air inlet 822 is positioned between the two and three o'clock positions, rotating clockwise around the humidifying cylinder 500. This avoids obstructing the free-falling fan of tobacco leaves inside the cylinder, allowing the hot and humid air to circulate smoothly within the cylinder. Simultaneously, while ensuring that steam and broken leaves do not overflow from the humidifier outlet, the operating frequency of the hot air module 400 can be increased to enhance the circulating air velocity. This directs suspended fine debris to the return air inlet at the inlet, improving the efficiency of removing fine debris.

[0040] In one embodiment of this invention, the leaf humidification and impurity removal equipment further includes a water supply device and a steam supply device. A steam nozzle 823 is provided inside the hot air inlet 822, and the steam supply device sprays steam into the leaf humidification chamber through the steam nozzle 823. A mixing nozzle is provided inside the return air inlet, and the water supply device and the steam supply device spray a steam-water mixture into the leaf humidification chamber through the mixing nozzle.

[0041] The steam nozzle 823 in the hot air inlet 822 and the mixing nozzle in the return air inlet can spray steam and steam-water mixture into the leaf humidification chamber through the water supply device and the steam supply device, which can make the material evenly humidified during the leaf humidification process, ensure the leaf humidification effect, make the moisture content of the material more uniform, and improve the quality of the material.

[0042] In another embodiment of this invention, only the hot air inlet 822 is provided with a steam nozzle 823; in yet another embodiment of this invention, only the return air inlet is provided with a mixing nozzle.

[0043] In one embodiment of this invention, the leaf humidification and impurity removal equipment further includes a first steam pipe, through which a steam nozzle 823 is connected to a steam supply device, and the first steam pipe is fixedly installed on the inner wall of the hot air inlet 822; the leaf humidification and impurity removal equipment further includes a second steam pipe, through which a mixing nozzle is connected to a water supply device and a steam supply device, and the second steam pipe is fixedly installed on the inner wall of the return air inlet.

[0044] The first water vapor pipe is fixedly installed on the inner wall of the hot air inlet 822, and the second water vapor pipe is fixedly installed on the inner wall of the return air inlet. This prevents the tobacco material carried by the return airflow from getting stuck on the water vapor pipe, ensuring the smooth flow of the entire circulating air path, making the impurity removal process smoother, and improving the operational stability of the equipment.

[0045] In another embodiment of this invention, the leaf-moistening and impurity-removing device is limited to including a first water vapor pipe; in yet another embodiment of this invention, the leaf-moistening and impurity-removing device is limited to including a second water vapor pipe.

[0046] In this embodiment, the bottom end of the inner wall of the return air inlet is provided with a slope, which is inclined towards the humidifier cylinder 500 in the direction from top to bottom.

[0047] The inclined surface at the bottom of the inner wall of the return air inlet slopes downwards toward the leaf-lubricating cylinder 500, allowing the tobacco material carried by the return airflow to fall freely back into the cylinder through this inclined surface. This prevents the material from accumulating at the return air inlet, ensures the smooth flow of the circulating air path, improves the working efficiency of the equipment, and ensures the normal operation of the circulating air path.

[0048] Exemplarily, the cyclone impurity removal device 100 includes a degassing chamber 110 and an impurity removal chamber 120. The degassing chamber 110 is connected to an exhaust duct 600, which draws gas from the degassing chamber 110. The impurity removal chamber 120 is used to collect solid impurities from the degassing chamber 110. A spiral heating tube 121 is coiled around the inner wall of the impurity removal chamber 120, which is used to heat the air inside the impurity removal chamber 120. Specifically, the impurity removal chamber 120 is conical, and its cross-section gradually increases along the direction toward the degassing chamber 110.

[0049] The inner wall of the impurity removal chamber 120 of the cyclone impurity removal device 100 is coiled with a spiral heating tube 121, which can heat the air inside the impurity removal chamber 120. During production, the entire impurity removal chamber 120 is heated and kept warm using direct steam, eliminating or reducing condensation in the cyclone impurity removal device 100, ensuring the normal operation of the cyclone impurity removal device 100, improving the impurity removal effect, and preventing condensation from affecting the impurity removal effect and the normal operation of the equipment.

[0050] In this embodiment, the cyclone impurity removal device 100 is also provided with an impurity discharge port that communicates with the external environment, and an impurity discharge door for opening and closing the impurity discharge port is connected to the impurity discharge port.

[0051] The cyclone impurity removal device 100 is connected to a discharge door at its discharge port. By opening and closing the discharge door, the separated impurities can be easily discharged, facilitating the periodic cleaning of the impurities separated in the impurity removal chamber 120 and ensuring the continuous and effective operation of the impurity removal device.

[0052] In this embodiment, the material removed by the cyclone separator in the leaf section is processed separately, and impurities in the material are manually separated.

[0053] For example, the hot air module 400 is provided with a radiator 700, which has an air inlet and an air outlet. The hot air module 400 is connected to the air outlet. The air inlet is movably connected to a plurality of door panels 720, which can block part of the air inlet.

[0054] The radiator 700 has several movable door panels 720 connected to its air inlet. By moving the door panels 720, part of the air inlet can be blocked. While ensuring the hot air temperature is met, the air volume of the radiator 700 can be reduced as much as possible by adjusting the position of the door panels 720, thereby increasing the negative pressure generated by the hot air module 400 on the cyclone impurity removal and degassing chamber 110, increasing the airflow velocity at the inlet return air vent, and ensuring that a large amount of debris can enter the cyclone impurity removal device 100 with the airflow, thus improving the impurity removal efficiency.

[0055] Furthermore, the radiator 700 also includes a damper frame 710, which has a damper groove and slides in cooperation with the damper groove.

[0056] The radiator 700 has a damper frame 710 with a damper groove, and the door panel 720 slides in conjunction with the damper groove, making the movement of the door panel 720 more flexible and precise. This allows operators to precisely adjust the size of the air inlet according to actual needs, thereby better controlling the hot air volume and the negative pressure of the cyclone impurity removal device 100, and optimizing the impurity removal effect.

[0057] In this embodiment, the first connecting seat 810 has an inlet and the second connecting seat 820 has an outlet 821. The material enters the humidifying chamber from the inlet and the material in the humidifying chamber is discharged from the outlet 821. The axis of the humidifying cylinder 500 is inclined downward along the direction from the first connecting seat 810 to the second connecting seat 820.

[0058] Material enters the wetting chamber through the inlet. Because the axis of the wetting cylinder 500 is inclined downwards along the direction from the first connecting seat 810 to the second connecting seat 820, the material naturally moves from the inlet to the outlet 821 under gravity, ensuring smooth material transport within the wetting chamber. This eliminates the need for an additional power unit, simplifies the equipment structure, and improves production efficiency. Simultaneously, this inclined design facilitates material tumbling and the wetting process within the wetting chamber, allowing for more uniform processing of the material. It also causes impurities to move towards the return air vent with the airflow, facilitating impurity removal.

[0059] 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 other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations 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 leaf-removing and impurity-removing device, used to process materials mixed with impurities, characterized in that, The leaf-moistening and impurity-removing equipment includes: The leaf-moistening frame includes a first connecting seat (810) and a second connecting seat (820) that are fixed in relative positions. The leaf-lubricating cylinder (500) can rotate around its own axis. One end of the leaf-lubricating cylinder (500) is rotatably engaged with the first connecting seat (810), and the other end is rotatably engaged with the second connecting seat (820). The leaf-lubricating cylinder (500), the first connecting seat (810), and the second connecting seat (820) form a leaf-lubricating cavity. The suction module includes a dehumidifying fan, a dehumidifying duct (600), a cyclone impurity removal device (100), and a return air duct (200) connected in sequence. The first connecting seat (810) is provided with a return air port, which is connected to the return air duct (200). The dehumidifying fan is used to extract air from the leaf lubrication chamber, and the cyclone impurity removal device (100) is used to remove impurities from the air. The dehumidifying duct (600) is provided with a screen plate (300).

2. The leaf-moistening and impurity-removing equipment according to claim 1, characterized in that, The leaf-moistening and impurity-removing device also includes a hot air module (400), and the second connecting seat (820) is provided with a hot air outlet (822). The hot air module (400) blows hot and humid air into the leaf-moistening chamber through the hot air outlet (822). The hot air outlet (822) is located at the two o'clock to three o'clock position when the leaf-moistening cylinder (500) rotates clockwise.

3. The leaf-moistening and impurity-removing equipment according to claim 2, characterized in that, The leaf-humidifying and impurity-removing equipment also includes a steam supply device, wherein a steam nozzle (823) is provided inside the hot air inlet (822), and the steam supply device injects steam into the leaf-humidifying chamber through the steam nozzle (823); and / or, The leaf humidification and impurity removal equipment also includes a water supply device and a steam supply device. A mixing nozzle is provided in the return air inlet. The water supply device and the steam supply device spray a steam-water mixture into the leaf humidification chamber through the mixing nozzle.

4. The leaf-moistening and impurity-removing equipment according to claim 3, characterized in that, The leaf-moistening and impurity-removing equipment further includes a first steam pipe, the steam nozzle (823) being connected to the steam supply device via the first steam pipe, and the first steam pipe being fixedly installed on the inner wall of the hot air inlet (822); and / or, The leaf-moistening and impurity-removing equipment also includes a second water vapor pipe. The mixing nozzle is connected to the water supply device and the steam supply device through the second water vapor pipe. The second water vapor pipe is fixedly installed on the inner wall of the return air inlet.

5. The leaf-moistening and impurity-removing equipment according to claim 1, characterized in that, The bottom end of the inner wall of the return air inlet is provided with an inclined surface, which is inclined towards the humidifier cylinder (500) in the direction from top to bottom.

6. The leaf-moistening and impurity-removing device according to claim 1, characterized in that, The cyclone impurity removal device (100) includes a degassing chamber (110) and an impurity removal chamber (120). The degassing chamber (110) is connected to the dehumidification duct (600). The dehumidification duct (600) draws gas from the degassing chamber (110). The impurity removal chamber (120) is used to collect solid impurities in the degassing chamber (110). A spiral heating tube (121) is coiled around the inner wall of the impurity removal chamber (120). The spiral heating tube (121) is used to heat the air in the impurity removal chamber (120).

7. The leaf-moistening and impurity-removing device according to claim 1, characterized in that, The cyclone impurity removal device (100) is also provided with an impurity discharge port that communicates with the external environment, and an impurity discharge door for opening and closing the impurity discharge port is connected to the impurity discharge port.

8. The leaf-moistening and impurity-removing equipment according to claim 2, characterized in that, The hot air module (400) is equipped with a radiator (700), which has an air inlet and an air outlet. The hot air module (400) is connected to the air outlet. The air inlet is movably connected to several door panels (720), which can block part of the air inlet.

9. The leaf-moistening and impurity-removing device according to claim 8, characterized in that, The radiator (700) also includes a damper frame (710), the damper frame (710) is provided with a damper groove, and the damper frame (710) slides in conjunction with the damper groove.

10. The leaf-moistening and impurity-removing device according to any one of claims 1-9, characterized in that, The first connecting seat (810) has an inlet, and the second connecting seat (820) has an outlet (821). The material enters the leaf-lubricating chamber from the inlet, and the material in the leaf-lubricating chamber is discharged from the outlet (821). The axis of the leaf-lubricating cylinder (500) is inclined downward along the direction from the first connecting seat (810) to the second connecting seat (820).

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