Multi-point jet humidifying device for drum-type hot air leaf moistening machine

Abstract

The utility model relates to a multi-point jet humidifying device for a drum-type hot air leaf moistening machine in the technical field of tobacco production. The multi-point jet humidifying device comprises a drum, a gear ring is arranged on the wall of the roller and meshed with a gear, the gear is connected with a stepping motor, a feeding and discharging port capable of being opened and closed is formed in the wall of the roller, a spraying assembly is arranged in the roller and comprises a steam spraying pipe, and the two ends of the steam spraying pipe are connected with the side walls of the two ends of the roller respectively. One end of the steam spraying pipe is connected with a steam inlet pipe through a rotary joint, steam spraying holes are fully distributed in the steam spraying pipe, a pressure release valve is arranged on the roller, and a plurality of ribs are uniformly fixed on the inner wall of the roller along the circumferential direction. The tobacco leaf moistening device can conduct comprehensive and efficient tobacco leaf moistening operation on tobacco leaves, tobacco leaf moistening is more uniform and efficient, the steam spraying effect is good, and the tobacco leaf moistening efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tobacco production technical field, concretely relates to the humidifying device of belt multi -point injection for drum -type hot -blast leaf moistening machine. BACKGROUND

[0002] In tobacco redrying production, the raw tobacco after primary curing is cut loose, then is through first leaf moistening, screening, impurity removal, second leaf moistening, stem and leaf separation and leaf redrying processing into finished product sheet tobacco. The leaf moistening process is to cooperate with steam and water to moisten the leaf, to realize the uniformity of tobacco moisture regain by atomizing water with steam. The patent document with patent number CN115444156A discloses a method and equipment for moistening and regaining moisture of tobacco redrying with saturated steam. The method is to only pass saturated steam into the leaf moistening equipment of first leaf moistening and second leaf moistening of tobacco redrying, and only pass saturated steam into the first moisture regain area and second moisture regain area of the redrying machine to regain moisture. In the patent, the steam nozzles are arranged at both ends of the drum, only spray at both ends, and the middle section of the tobacco is not uniform in moisture, which leads to poor leaf moistening effect and low efficiency, and is not conducive to production. Therefore, the humidifying device of belt multi -point injection for drum -type hot -blast leaf moistening machine is needed to solve the above technical problems. UTILITY MODEL CONTENTS

[0003] In view of the above defects of the prior art, the utility model provides a humidifying device of belt multi -point injection for drum -type hot -blast leaf moistening machine, which comprises a drum, a gear ring is arranged on the drum wall, the gear ring is engaged with a gear, the gear is connected with a stepping motor, an openable and closable inlet and outlet are arranged on the drum wall, a spraying assembly is arranged in the drum, the spraying assembly comprises a steam spraying pipe, both ends of the steam spraying pipe are connected with the side walls at both ends of the drum, one end of the steam spraying pipe is connected with a steam inlet pipe through a rotary joint, the steam spraying pipe is provided with steam spraying holes, a pressure relief valve is arranged on the drum, and a plurality of convex edges are fixed on the inner wall of the drum in a circumferential direction.

[0004] Preferably, the inlet and outlet are provided with an electric door. The electric door is a prior art, which will not be described here.

[0005] Preferably, both ends of the drum are fixedly connected with shafts, the two shafts are arranged on a support one respectively, the support one is fixed to the ground, the shafts are rotatably connected with the corresponding support one through bearings, and one end of the steam spraying pipe penetrates through the corresponding shaft and is connected with the rotary joint.

[0006] Preferably, two gear rings are arranged, the two gear rings are symmetrically located at both ends of the drum, one gear is engaged with each of the two gear rings, the two gears are connected through a connecting rod, both ends of the connecting rod are rotatably connected with a support two through bearings respectively, the support two is fixed to the ground, and one end of the connecting rod penetrates through the support two and is connected with the stepping motor.

[0007] Preferably, a receiving box is arranged below the roller, and the receiving box corresponds to the feeding and discharging opening, thereby facilitating discharging.

[0008] Preferably, a cleaning ring is arranged on the steam injection pipe, the cleaning ring is sleeved on the steam injection pipe, the inner ring surface of the cleaning ring is covered with bristles, the bristles are in contact with the outer wall of the steam injection pipe, the cleaning ring is provided with a threaded hole and a guide hole, a matched screw rod is penetrated through the threaded hole, the two ends of the screw rod are rotatably connected with the inner walls of the two ends of the roller through bearings, and a forward and reverse motor is connected to one end of the screw rod and penetrated through the roller. The forward and reverse motor is powered by a detachable battery, and a guide rod is penetrated through the guide hole, and the two ends of the guide rod are connected with the inner walls of the two ends of the roller. The forward and reverse rotation of the forward and reverse motor drives the forward and reverse rotation of the screw rod, and the cleaning ring reciprocates along the steam injection pipe to clean the steam injection hole and avoid blockage, thereby ensuring the reliability of the steam injection.

[0009] The utility model also includes other components that can be used for the multi-point injection humidifying device of the drum type hot air leaf moistening machine, such as the control components of the stepping motor, the control components of the forward and reverse motor, etc., which are all conventional technical means in the field. In addition, the devices or components not specified in the utility model, such as the rotary joint, the gear ring, the detachable battery, etc., all adopt conventional technical means and conventional equipment in the field.

[0010] The utility model has the advantages that the tobacco leaves can be subjected to comprehensive and efficient leaf moistening operation, the leaf moistening is more uniform and efficient, the steam injection effect is good, and the leaf moistening efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model will be further described below in combination with the drawings and embodiments.

[0012] Figure 1 It is a perspective view of the multi-point injection humidifying device of the drum type hot air leaf moistening machine in the embodiments of the utility model;

[0013] Figure 2 It is a front view of the multi-point injection humidifying device of the drum type hot air leaf moistening machine in the embodiments of the utility model; Figure 1

[0014] It is a sectional view of the multi-point injection humidifying device of the drum type hot air leaf moistening machine in Embodiment 1; Figure 3 Figure 1 It is a sectional view of the multi-point injection humidifying device of the drum type hot air leaf moistening machine in Embodiment 2;

[0015] Figure 4 Figure 1 It is a sectional view of the multi-point injection humidifying device of the drum type hot air leaf moistening machine in Embodiment 2;

[0016] Figure 5 It is a right view of the cleaning ring in the multi-point injection humidifying device of the drum type hot air leaf moistening machine in the embodiments of the utility model. Figure 4

[0017] ​​​In the figure: 1, the drum; 2, electric door; 3, gear ring; 4, support one; 5, steam inlet pipe; 6, receiving box; 7, pressure relief valve; 8, support two; 9, gear; 10, stepping motor; 11, steam injection pipe; 12, steam injection hole; 13, convex rib; 14, screw; 15, cleaning ring; 16, forward and reverse motor; 17, guide rod; 18, brush. DETAILED DESCRIPTION

[0018] The utility model is clearly described below in combination with the drawings and specific embodiments in the embodiments of the utility model, the description herein is only used to explain the utility model, but not as the limitation of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor, any modification, equivalent replacement, improvement etc. should be included in the protection scope of the utility model.

[0019] Embodiment 1

[0020] As Figures 1-3 Indicated, the utility model provides a kind of multi-point injection humidifying device for drum 1 formula hot air leaf moistening machine, including drum 1;The cylinder wall of the drum 1 is equipped with gear ring 3, the gear ring 3 is engaged with gear 9, the gear 9 is connected with stepping motor 10, the cylinder wall is equipped with openable and closable inlet and outlet, the drum 1 is equipped with injection assembly, and the injection assembly includes steam injection pipe 11, the two ends of the steam injection pipe 11 are connected with the side wall of the two ends of drum 1 respectively, one end of steam injection pipe 11 is connected with steam inlet pipe 5 by swivel joint, steam injection pipe 11 is full of steam injection hole 12, the drum 1 is equipped with pressure relief valve 7, and the inner wall of the drum 1 is fixed with multiple convex ribs 13 uniformly along the circumference.

[0021] The inlet and outlet are equipped with electric door 2.Electric door 2 is prior art, and here is not repeated.

[0022] The two ends of the drum 1 are fixedly connected with shaft, and the two shafts are respectively arranged on support one 4, and the support one 4 is fixed to ground, the shaft is rotatably connected with corresponding support one 4 by bearing, and one end of the steam injection pipe 11 is connected with swivel joint by penetrating corresponding shaft.

[0023] The gear ring 3 is provided with two, and the two gear rings 3 are symmetrically located at the two ends of the drum 1, and the two gear rings 3 are engaged with one gear 9 respectively, and the two gears 9 are connected by connecting rod, the two ends of the connecting rod are rotatably connected with support two 8 by bearing respectively, the support two 8 is fixed to ground, and one end of the connecting rod is connected with stepping motor 10 after penetrating support two 8.

[0024] The lower portion of the drum 1 is equipped with receiving box 6, and the receiving box 6 corresponds to the inlet and outlet, facilitating unloading.

[0025] Working principle: when adding tobacco, the inlet and outlet port is located above the roller, after adding, the electric door is closed, the step motor is started, the roller is driven to rotate, the tobacco is continuously taken to the top of the roller by the protrusions, and then falls down, in the process, hot steam is sprayed into the steam pipe, the steam is sprayed from the steam holes, the tobacco in the roller can be moistened by 360 degrees, the moistening effect and efficiency are improved, after moistening, the inlet and outlet port is located below the roller, the electric door is opened, and the tobacco falls into the collecting box.

[0026] Example 2

[0027] As Figure 1 , 2 , 4, 5, the utility model provides a multi-point injection humidifying device for roller 1 formula hot -blast leaf moistening machine, including the roller 1, the cylinder wall of roller 1 is equipped with gear ring 3, gear ring 3 is engaged with gear 9, gear 9 is connected with step motor 10, the cylinder wall is equipped with openable inlet and outlet, the roller 1 is equipped with injection assembly, the injection assembly includes steam pipe 11, both ends of steam pipe 11 are connected with the side wall of both ends of roller 1, one end of steam pipe 11 is connected with steam inlet pipe 5 through swivel joint, steam pipe 11 is full of steam hole 12, the roller 1 is equipped with pressure relief valve 7, the inner wall of roller 1 is fixed with multiple protrusions 13 along the circumference evenly.

[0028] The inlet and outlet port is equipped with electric door 2. Electric door 2 is prior art, and here will not be repeated.

[0029] The both ends of roller 1 are fixedly connected with the shaft, and the two shafts are arranged on the support one 4 respectively, the support one 4 is fixed on the ground, the shaft is rotatably connected with the corresponding support one 4 through the bearing, one end of steam pipe 11 penetrates through the corresponding shaft and is connected with the swivel joint.

[0030] The gear ring 3 is provided with two, two gear rings 3 are symmetrically located at both ends of the roller 1, two gear rings 3 are engaged with a gear 9 respectively, two gears 9 are connected through the connecting rod, the both ends of the connecting rod are rotatably connected with the support two 8 through the bearing respectively, the support two 8 is fixed on the ground, one end of the connecting rod penetrates through the support two 8 and is connected with the step motor 10.

[0031] The lower portion of the roller 1 is equipped with the receiving box 6, the receiving box 6 corresponds to the inlet and outlet port, facilitating unloading.

[0032] The steam injection pipe 11 is provided with a cleaning ring 15, the cleaning ring 15 is sleeved on the steam injection pipe 11, the inner ring surface of the cleaning ring 15 is covered with bristles 18, the bristles 18 are in contact with the outer wall of the steam injection pipe 11, the cleaning ring 15 is provided with a threaded hole and a guide hole, a matched screw rod 14 is penetrated through the threaded hole, the two ends of the screw rod 14 are rotatably connected with the inner walls of the two ends of the drum 1 through bearings, one end of the screw rod 14 is penetrated through the drum 1 and connected with a forward and reverse motor 16, the forward and reverse motor 16 is powered by a detachable battery, a guide rod 17 is penetrated through the guide hole, and the two ends of the guide rod 17 are connected with the inner walls of the two ends of the drum 1. The forward and reverse rotation of the forward and reverse motor 16 drives the forward and reverse rotation of the screw rod 14, the cleaning ring 15 reciprocates along the steam injection pipe 11, the steam injection hole 12 is cleaned to avoid blockage, and the reliability of injection is ensured.

[0033] Working principle: when adding tobacco leaves, the inlet and outlet are located above the drum, after adding, the electric door is closed, the stepping motor is started, the drum is driven to rotate, the tobacco leaves are continuously taken to the top of the drum by the convex ribs and then thrown down, in the process, hot steam is injected into the steam injection pipe, the steam is injected from the steam injection hole, the tobacco leaves in the drum can be moistened by 360 degrees, the moistening effect and efficiency are improved, after the moistening is completed, the inlet and outlet are located below the drum, the electric door is opened, and the tobacco leaves fall into the collecting box. In the above moistening process, or after the moistening is completed, the forward and reverse rotation of the forward and reverse motor 16 drives the forward and reverse rotation of the screw rod 14, the cleaning ring 15 reciprocates along the steam injection pipe 11, the steam injection hole 12 is cleaned to avoid blockage, and the reliability of injection is ensured.

[0034] As for the rotary joint, the stepping motor, the forward and reverse motor, the pressure relief valve and the like in the above embodiments, the application does not improve them, but only uses their existing functions; as for the control program and principles involved, please refer to the product manual or existing technical materials, which are all prior art. The above has described the embodiments of the application, the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A multi-point injection humidifying device for a drum-type hot air leaf moistener, comprising a drum; characterized in that: The cylinder wall of the roller is provided with a gear ring, the gear ring is engaged with a gear, the gear is connected with a stepping motor, the cylinder wall is provided with an openable and closable inlet and outlet, the roller is provided with a spraying assembly, the spraying assembly comprises a steam spraying pipe, two ends of the steam spraying pipe are connected with the side walls at two ends of the roller, one end of the steam spraying pipe is connected with a steam inlet pipe through a rotary joint, the steam spraying pipe is provided with steam spraying holes, the roller is provided with a pressure relief valve, and the inner wall of the roller is fixed with a plurality of convex ribs in the circumferential direction.

2. The multi-point injection humidifying device for drum-type hot air leaf moistening machine according to claim 1, characterized in that: The inlet and outlet are provided with an electric door.

3. The multi-point injection humidifying device for drum-type hot air leaf moistening machine according to claim 1, characterized in that: The two ends of the roller are fixedly connected with rotating shafts, the rotating shafts are arranged on the support one respectively, the support one is fixed to the ground, the rotating shafts are rotatably connected with the corresponding support one through bearings, and one end of the steam spraying pipe penetrates through the corresponding rotating shaft and is connected with the rotary joint.

4. The multi-point injection humidifying device for drum-type hot air leaf moistening machine according to claim 1, characterized in that: The two gear rings are symmetrically arranged at the two ends of the roller, one gear is engaged with each gear ring, the two gears are connected through a connecting rod, the two ends of the connecting rod are rotatably connected with support two through bearings respectively, the support two is fixed to the ground, and one end of the connecting rod penetrates through the support two and is connected with the stepping motor.

5. The multi-point injection humidifying device for drum-type hot air leaf moistening machine according to claim 1, characterized in that: The lower portion of the roller is provided with a receiving box, and the receiving box corresponds to the inlet and outlet.

6. The multi-point injection humidifying device for drum-type hot air leaf moistening machine according to claim 1, characterized in that: A cleaning ring is arranged on the steam spraying pipe, the cleaning ring is sleeved on the steam spraying pipe, the inner ring surface of the cleaning ring is provided with brush hairs, the brush hairs are in contact with the outer wall of the steam spraying pipe, the cleaning ring is provided with a threaded hole and a guide hole, a matched screw rod penetrates through the threaded hole, the two ends of the screw rod are rotatably connected with the inner walls at the two ends of the roller through bearings, one end of the screw rod penetrates through the roller and is connected with a forward and reverse motor, the forward and reverse motor is powered by a detachable battery, a guide rod penetrates through the guide hole, and the two ends of the guide rod are connected with the inner walls at the two ends of the roller.

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