A vane humidification device

Abstract

The present application belongs to the technical field of tobacco leaf transportation and processing equipment, and particularly relates to a leaf humidifying device. The device comprises a feeding roller, which is provided with a feeding inlet. A humidifying inlet is arranged below the feeding inlet. A humidifying unit is arranged in the humidifying inlet. The humidifying unit is used to blow water vapor to the tobacco leaves entering from the feeding inlet to perform humidifying treatment on the tobacco leaves. The humidifying unit comprises a mixed gas chamber. A water vapor inlet and a hot gas inlet are arranged in the mixed gas chamber. The water vapor inlet is connected with an ultrasonic water atomization instrument through a pipeline. A temperature and humidity detector is arranged in the mixed gas chamber. The mixed gas chamber is communicated with the humidifying inlet. A flow valve is arranged in the humidifying inlet. The purpose of the device is to make the tobacco leaves enter the feeding roller before being cut into shreds, add the water vapor atomized by the ultrasonic atomization instrument to perform humidifying treatment on the leaves, mix hot gas into the water vapor, enhance the penetration of the tobacco leaves, make the moisture fully penetrate and soak into the tobacco leaves, enhance the processing resistance of the tobacco leaves, and improve the product quality.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of tobacco leaf transportation and processing equipment, and particularly relates to a leaf blade humidifying device. BACKGROUND

[0002] In the process of cigarette production, the cutting process is a very important link in the tobacco industry, and the inlet moisture of the tobacco leaf before cutting has a great influence on the quality of the cut finished tobacco. If the moisture is too high, the cut tobacco is prone to mold due to high humidity, and if the moisture is too low, the finished tobacco is prone to crushing.

[0003] In the existing equipment, the leaf blade needs to be transported from the leaf storage cabinet to the cutting machine for cutting, and the transmission path is long, and the environment in the factory area is dry.

[0004] Therefore, during transportation, the moisture of the tobacco leaf is lost, the leaf blade processing resistance is reduced, and the quality of the processed product is low. SUMMARY

[0005] The purpose of the application is to provide a leaf blade humidifying device to solve the problem that the tobacco leaf moisture is lost, the leaf blade processing resistance is reduced, and the quality of the processed product is low during the transportation of the tobacco leaf from the leaf storage cabinet to the cutting machine.

[0006] To achieve the above technical purpose, the technical scheme adopted by the application is as follows:

[0007] A leaf blade humidifying device, comprising a feeding roller, the feeding roller is provided with a feeding port, a humidifying port is provided below the feeding port, the humidifying port is provided with a humidifying unit, the humidifying unit is used for blowing water vapor to the tobacco leaf entering from the feeding port to perform humidifying treatment on the tobacco leaf.

[0008] The humidifying unit comprises a mixed gas chamber, the mixed gas chamber is provided with a water vapor inlet and a hot gas inlet, the water vapor inlet is connected with an ultrasonic water mist atomizer through a pipeline, the mixed gas chamber is provided with a temperature and humidity detector, the mixed gas chamber is communicated with the humidifying port, and the humidifying port is provided with a flow valve. In this way, the tobacco leaf is allowed to enter the feeding roller before cutting, the water vapor atomized by the ultrasonic atomizer is added to humidify the leaf blade, the hot gas is mixed in the water vapor to enhance the penetration of the tobacco leaf, the water is fully penetrated into the inside of the tobacco leaf, the processing resistance of the tobacco leaf is enhanced, and the product quality is improved.

[0009] As a preferred, the feeding roller comprises a rotating feeding inner cylinder and a supporting outer cylinder, a supporting frame is arranged below the feeding roller, the supporting outer cylinder is fixedly installed on the supporting frame, and the rotating feeding inner cylinder is rotationally installed in the supporting outer cylinder.

[0010] A heating cavity is arranged between the supporting outer cylinder and the rotating feeding inner cylinder, the heating cavity is connected with the hot gas inlet, and the heating cavity is in communication with the inside of the rotating feeding inner cylinder;

[0011] An air outlet is arranged on the sidewall of the rotating feeding inner cylinder away from the feeding port, a circulating cavity is arranged in the supporting outer cylinder, an air inlet is arranged on the sidewall of the circulating cavity, the air inlet is in communication with the air outlet, a partition plate is arranged between the circulating cavity and the heating cavity, a circulating hole is arranged on the partition plate, and the circulating hole is in communication with the circulating cavity and the heating cavity. In this way, the hot gas is recycled, the energy consumption is reduced, the structure is simple, and the practicality is high.

[0012] Preferably, a gas pump is arranged in the circulating hole to send the gas in the circulating cavity into the heating cavity, and a heater is arranged in the circulating hole.

[0013] A replaceable water-absorbing sponge is arranged in the circulating cavity. In this way, the hot gas is sent into the heating cavity by the gas pump, the structure is simple, and the practicality is high.

[0014] Preferably, two groups of convex blocks for conveying materials are fixedly connected to the inner wall of the rotating feeding inner cylinder, the two groups of convex blocks are arranged in axial symmetry about the axis of the rotating feeding inner cylinder by 180 degrees, and the two groups of convex blocks are arranged in equal intervals and staggered along the axial direction of the rotating feeding inner cylinder. In this way, during the rotation of the rotating feeding inner cylinder, the tobacco slides forward along the convex blocks to realize feeding. Meanwhile, the rotating feeding inner cylinder rotates by half a circle, the tobacco is turned over to an attitude with the other side upward, falls onto the opposite convex block, and is fed forward, and at this time, the other side of the tobacco contacts the water vapor in the rotating feeding inner cylinder to be subjected to humidification treatment, so that the tobacco humidification treatment is more uniform.

[0015] Preferably, a driving motor is fixedly installed on the supporting frame, a driving gear is drivingly connected to the output shaft of the driving motor, a transmission tooth is fixedly connected to the outer wall of the rotating feeding inner cylinder, and the transmission tooth is drivingly connected with the driving gear. In this way, the driving motor is a three-phase asynchronous motor, one cycle is set as the rotation of the rotating feeding inner cylinder by half a circle, and during one cycle, the rotating feeding inner cylinder is accelerated first and then decelerated to realize the turning over of the tobacco in the rotating feeding inner cylinder, the structure is simple, and the practicality is high.

[0016] Preferably, the feeding drum is provided with a discharge port, a tobacco moisture detector is arranged on one side of the discharge port, the tobacco moisture detector is electrically connected with a control module, and the control module is electrically connected with the temperature and humidity detector and the flow valve. In this way, the water content in the tobacco is periodically detected, the opening degree of the flow valve is adjusted correspondingly to control the water content of the tobacco, the structure is simple, and the practicality is high.

[0017] As preferred, the feeding assembly further comprises a feeding belt, a support is arranged above the feeding belt, a plurality of baffles are fixedly connected to the support, the plurality of baffles are arranged at equal intervals along the width direction of the feeding belt, an inlet channel parallel to the length direction of the feeding belt is formed between two adjacent baffles, and the feeding port is connected with the inlet channel. In this way, the tobacco leaves are branched, the humidification of the tobacco leaves is more convenient, and the structure is simple and practical.

[0018] As preferred, the front end of the baffle is provided with a shunt block, and a guide inclined surface is arranged on the shunt block. In this way, the shunt effect on the tobacco leaves is improved.

[0019] The application with the above technical scheme has the following advantages:

[0020] 1. In the present scheme, the tobacco leaves enter the rotating feeding inner cylinder at the feeding port, the tobacco leaves are humidified by the water vapor atomized by the ultrasonic atomizer at the humidifying port, and hot air is mixed into the water vapor to heat the tobacco leaves, thereby enhancing the penetration, making the water fully penetrate into the tobacco leaves, enhancing the processing resistance of the tobacco leaves, and improving the product quality.

[0021] 2. In the present scheme, the heating cavity providing hot air is communicated with the rotating feeding inner cylinder through the circulating cavity, so that part of the heat can be recycled, thereby reducing the energy consumption and saving the cost. Meanwhile, the heating cavity is arranged between the supporting outer cylinder and the rotating feeding inner cylinder, the hot air heats the side wall of the rotating feeding inner cylinder in the heating cavity, the tobacco leaves in the rotating feeding inner cylinder are heated, and the water penetration into the tobacco leaves is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] The present application can be further illustrated by the non-limiting examples shown in the accompanying drawings;

[0023] Figure 1 FIG. 1 is a structural schematic view of an embodiment of a tobacco leaf humidifying device of the present application;

[0024] Figure 2 FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1; Figure 1

[0025] Figure 3 FIG. 3 is a schematic view of the internal structure of a feeding roller of an embodiment of a tobacco leaf humidifying device of the present application;

[0026] Figure 4 FIG. 4 is a schematic view of the internal structure of a supporting outer cylinder of an embodiment of a tobacco leaf humidifying device of the present application;

[0027] Figure 5 FIG. 5 is a structural schematic view of a rotating feeding inner cylinder of an embodiment of a tobacco leaf humidifying device of the present application;

[0028] ​The symbols for the main components are explained below:

[0029] 1. Feeding roller;

[0030] 101. Rotary feeding inner cylinder; 1011. Air outlet; 1012. Protrusion; 1013. Transmission gear;

[0031] 102. Support for outer cylinder; 1021. Air inlet; 1022. Circulation chamber; 1023. Baffle plate; 1024. Circulation hole;

[0032] 103. Heating chamber; 11. Feed inlet; 12. Mixing chamber; 121. Water vapor inlet; 122. Hot air inlet; 13. Flow valve;

[0033] 2. Support frame; 21. Drive motor; 22. Drive gear;

[0034] 4. Feeding belt; 41. Support frame; 42. Baffle; 43. Diverter block; 44. Rotary shaft. Detailed Implementation

[0035] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that similar or identical parts are referred to by the same reference numerals in the drawings or description. Implementations not shown or described in the drawings are forms known to those skilled in the art. In addition, directional terms mentioned in the embodiments, such as "up," "down," "top," "bottom," "left," "right," "front," and "back," are only for reference to the directions in the drawings and are not intended to limit the scope of protection of the present invention.

[0036] like Figures 1-5 As shown, a leaf humidification device of the present invention includes a feeding roller 1 with a feed inlet 11. A feeding assembly is provided at the feed inlet 11, including a feeding belt 4. A support 41 is provided above the feeding belt 4, and several baffles 42 are fixedly connected to the support 41. The baffles 42 are evenly spaced along the width direction of the feeding belt 4, and a feeding channel parallel to the length direction of the feeding belt 4 is formed between adjacent baffles 42. The feed inlet 11 is connected to the feeding channel. When the tobacco leaves on the feeding belt 4 are conveyed, they are fed with their length direction approximately parallel to the length direction of the feeding belt 4. The feeding channel diverts the tobacco leaves, reducing the stickiness between the tobacco leaves falling into the feed inlet 11, resulting in a more uniform humidification effect on the tobacco leaves.

[0037] In this embodiment, a diverter block 43 is provided at the front end of the baffle 42, and a guide slope is provided on the diverter block 43. A rotating shaft 44 is provided on the bracket 41, the diverter block 43 is fixedly connected to the rotating shaft 44, and a coil spring is provided on the rotating shaft 44. The coil spring is connected to the rotating shaft 44 and the bracket 41 respectively.

[0038] When the length direction of the tobacco leaves deviates from the length direction of the feeding belt 4, the tobacco leaves are transported to the flow distribution block 43 under the action of the feeding belt 4, the flow distribution block 43 rotates around the axis of the rotating shaft 44 by a certain angle, when the length direction of the tobacco leaves is parallel to the guide inclined surface on the flow distribution block 43, the coiled spring drives the flow distribution block 43 to reset back to normal, thereby achieving the effect of adjusting the posture of the tobacco leaves, and facilitating the subsequent humidification treatment.

[0039] In the embodiment, the feeding roller 1 comprises a rotating feeding inner cylinder 101 and a supporting outer cylinder 102, a supporting frame 2 is arranged below the feeding roller 1, the supporting outer cylinder 102 is fixedly installed on the supporting frame 2, and the rotating feeding inner cylinder 101 is rotatably installed in the supporting outer cylinder 102.

[0040] The feeding roller 1 is provided with a feeding port 11, and a humidifying port is arranged below the feeding port 11, the humidifying port is provided with a humidifying unit, the humidifying unit comprises a mixed gas chamber 12, the mixed gas chamber 12 is provided with a water vapor inlet 121 and a hot gas inlet 122, the water vapor inlet 121 is connected with an ultrasonic water mist atomizer through a pipeline, the mixed gas chamber 12 is provided with a temperature and humidity detector, the mixed gas chamber 12 is communicated with the humidifying port, and the humidifying port is provided with a flow valve 13.

[0041] The tobacco leaves enter the rotating feeding inner cylinder 101 at the feeding port 11, the tobacco leaves are humidified by the water vapor atomized by the ultrasonic atomizer at the humidifying port, and the hot gas is mixed in the water vapor to heat the tobacco leaves, thereby enhancing the penetration, making the water fully penetrate into the tobacco leaves, enhancing the processing resistance of the tobacco leaves, and improving the product quality, wherein the temperature and humidity in the mixed gas chamber 12 are detected by the temperature and humidity detector, and the gas flow is controlled by the flow valve 13 to control the humidification degree of the tobacco leaves.

[0042] In the embodiment, the heating cavity 103 is arranged between the supporting outer cylinder 102 and the rotating feeding inner cylinder 101, the heating cavity 103 is connected with the hot gas inlet 122, and the heating cavity 103 is in communication with the inside of the rotating feeding inner cylinder 101. The air outlet 1011 is arranged on the side wall of the rotating feeding inner cylinder 101 away from the feeding port 11. The circulating cavity 1022 is arranged in the supporting outer cylinder 102, the air inlet 1021 is arranged on the side wall of the circulating cavity 1022, the air inlet 1021 is periodically communicated with the air outlet 1011, the partition plate 1023 is arranged between the circulating cavity 1022 and the heating cavity 103, the circulating hole 1024 is arranged on the partition plate 1023, and the circulating hole 1024 is communicated between the circulating cavity 1022 and the heating cavity 103. The heating cavity 103 is arranged between the supporting outer cylinder 102 and the rotating feeding inner cylinder 101, the hot gas in the heating cavity 103 heats the side wall of the rotating feeding inner cylinder 101, the tobacco leaves in the inside of the rotating feeding inner cylinder 101 are heated, the effect of water penetration into the tobacco leaves is improved, meanwhile, the heating cavity 103 providing the hot gas is communicated with the rotating feeding inner cylinder 101 through the circulating cavity 1022, part of the heat can be recycled, the energy consumption is reduced, and the cost is saved.

[0043] In the embodiment, the air pump is arranged in the circulating hole 1024, and the heater is arranged in the circulating hole 1024; the air pump is started to draw the air from the circulating cavity 1022 to the heating cavity 103 through the circulating hole 1024, and the drawn air is heated at the heater, so that the structure is simple and the operation is convenient.

[0044] Understandably, in order to avoid that the water vapor containing impurities is circulated back to the humidifying port through the heating cavity 103 to participate in the humidifying treatment, the water-absorbing sponge is replaceably arranged in the circulating cavity 1022, the water-absorbing sponge absorbs the water in the gas discharged from the rotating feeding inner cylinder 101, and plays a filtering role on the gas. The flap is arranged on the outer wall of the supporting outer cylinder 102 corresponding to the position of the circulating cavity 1022, the flap is buckled after the water-absorbing sponge is replaced by being opened, the structure is simple and the operation is convenient.

[0045] In the embodiment, the two groups of convex blocks 1012 for conveying materials are fixedly connected to the inner wall of the rotating feeding inner cylinder 101, the structure of the convex block 1012 is a part of spiral arc block, the spiral direction is from the feeding port 11 of the feeding drum 1 to the discharge port of the feeding drum 1, and the side wall of the convex block 1012 has a radial slope along the feeding drum 1, so that the feeding is facilitated.

[0046] The two groups of protrusions 1012 are arranged 180 degrees symmetrically about the axis of the rotary feeding inner cylinder 101, and are arranged equidistantly and staggeredly along the axial direction of the rotary feeding inner cylinder 101. During the rotation of the rotary feeding inner cylinder 101, the tobacco slides forward along the protrusions 1012, achieving feeding. Meanwhile, the rotary feeding inner cylinder 101 rotates by 180 degrees, and the tobacco is turned over to the posture of the other side upward, falls onto the opposite protrusion 1012, and is fed forward. At this time, the other side of the tobacco is in contact with the water vapor in the rotary feeding inner cylinder 101 for humidification treatment, so that the humidification treatment of the tobacco is more uniform.

[0047] In the embodiment, the driving motor 21 is fixedly installed on the support frame 2, a driving gear 22 is drivingly connected to the output shaft of the driving motor 21, and a transmission gear 1013 is fixedly connected to the outer wall of the rotary feeding inner cylinder 101 and drivingly connected with the driving gear 22. The driving motor 21 can be a three-phase asynchronous motor, and the rotary feeding inner cylinder 101 rotates by 180 degrees as one period. In one period, the operation law of the driving motor 21 is set, and the rotary feeding inner cylinder 101 is accelerated first and then decelerated.

[0048] Taking the tobacco on the protrusion 1012 close to the support frame 2 in the rotary feeding inner cylinder 101 as an example, the tobacco slides forward along the protrusion 1012, and is transported to the side far away from the support frame 2 under the action of the centrifugal force. The tobacco is turned over under the action of the gravity and falls onto the opposite protrusion 1012, so that the tobacco is turned over in the rotary feeding inner cylinder 101, which is simple in structure and high in practicability.

[0049] In the embodiment, the feeding roller 1 is provided with a discharge port, and a tobacco moisture detector is arranged on one side of the discharge port. The tobacco moisture detector is electrically connected with a control module, and the control module is electrically connected with the temperature and humidity detector and the flow valve 13.

[0050] The worker periodically takes the humidified tobacco from the production line, detects the water content of the tobacco by the tobacco moisture detector, feeds back the detection result to the control module, compares the control module with the preset tobacco water content interval, and when the detection result is not in the preset tobacco water content interval, the control module comprehensively considers the result of the temperature and humidity detector, outputs a control instruction, adjusts the opening degree of the flow valve 13, and makes the water content of the humidified tobacco in the preset tobacco water content interval, thereby improving the processing performance of the tobacco.

[0051] The principle of the application is that the tobacco is put into the feeding roller 1 before being cut into strips, the water vapor atomized by the ultrasonic atomizer is added to the tobacco for humidification treatment, the hot gas is mixed into the water vapor to heat the tobacco, the water vapor penetration is enhanced, the water is fully penetrated into the tobacco, the processing performance of the tobacco is enhanced, and the product quality is improved.

[0052] The blade humidifying device provided by the present application is described in detail above. The description of the specific embodiments is only used to help understand the method of the present application and its core idea. It should be pointed out that, for those skilled in the art, some improvements and modifications can be made to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A lobar humidification device, characterized by: Including the feeding roller (1), the feeding roller (1) is provided with the feed inlet (11), the lower of the feed inlet (11) is provided with the humidification port, the humidification port is provided with the humidification unit, the humidification unit is used to blow the water vapor to the tobacco entering from the feed inlet (11) and carries out the humidification treatment to the tobacco; The humidification unit includes a mixed gas chamber (12), the mixed gas chamber (12) is provided with a water vapor inlet (121) and a hot gas inlet (122), the water vapor inlet (121) is connected with an ultrasonic water mist atomizer by a pipeline, the mixed gas chamber (12) is provided with a temperature and humidity detector, the mixed gas chamber (12) is communicated with the humidification port, and the humidification port is provided with a flow valve (13); the feeding roller (1) includes a rotating feeding inner cylinder (101) and a supporting outer cylinder (102), and the feeding roller (1) is provided with a support frame (2) below, the supporting outer cylinder (102) is fixedly installed on the support frame (2), and the rotating feeding inner cylinder (101) is rotatably installed in the supporting outer cylinder (102); The supporting outer cylinder (102) is provided with a heating cavity (103) between the supporting outer cylinder (102) and the rotating feeding inner cylinder (101), the heating cavity (103) is connected with the hot gas inlet (122), and the heating cavity (103) is communicated with the inside of the rotating feeding inner cylinder (101); The side wall of the rotating feeding inner cylinder (101) away from the feed inlet (11) is provided with a gas outlet (1011), the supporting outer cylinder (102) is provided with a circulation cavity (1022), the side wall of the circulation cavity (1022) is provided with an air inlet (1021), the air inlet (1021) is periodically communicated with the gas outlet (1011), the circulation cavity (1022) and the heating cavity (103) are provided with a partition (1023), the partition (1023) is provided with a circulation hole (1024), and the circulation hole (1024) communicates the circulation cavity (1022) and the heating cavity (103); the circulation hole (1024) is provided with a gas pump for sending the gas in the circulation cavity (1022) into the heating cavity (103), and the circulation hole (1024) is provided with a heater; the circulation cavity (1022) is replaceably provided with a water-absorbing sponge; It also includes a feeding assembly, the feeding assembly includes a feeding belt (4), the feeding belt (4) is provided with a support (41) above, a plurality of baffles (42) are fixedly connected to the support (41), a plurality of the baffles (42) are arranged at equal intervals along the width direction of the feeding belt (4), an inlet channel parallel to the length direction of the feeding belt (4) is formed between adjacent two baffles (42), and the feed inlet (11) is connected with the inlet channel; the front end of the baffle (42) is provided with a flow dividing block (43), and the flow dividing block (43) is provided with a guide inclined surface.

2. A louvered humidifying device according to claim 1, wherein: Two groups of convex blocks (1012) for conveying materials are fixedly connected to the inner wall of the rotary feeding inner cylinder (101), the two groups of convex blocks (1012) are arranged in axial symmetry about the axis of the rotary feeding inner cylinder (101) by 180 degrees, and the two groups of convex blocks (1012) are arranged at equal intervals along the axial direction of the rotary feeding inner cylinder (101).

3. A vane humidifying device according to claim 1, wherein: A driving motor (21) is fixedly installed on the support frame (2), a driving gear (22) is drivingly connected to the output shaft of the driving motor (21), a transmission tooth (1013) is fixedly connected to the outer wall of the rotary feeding inner cylinder (101), and the transmission tooth (1013) is in transmission connection with the driving gear (22).

4. A vane humidifying device according to claim 1, wherein: The feeding roller (1) is provided with a discharge port, a tobacco moisture detector is arranged on one side of the discharge port, the tobacco moisture detector is electrically connected with a control module, and the control module is electrically connected with the temperature and humidity detector and the flow valve (13) respectively.

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