Tobacco stem moistening equipment and tobacco stem pretreatment equipment

Abstract

The utility model discloses tobacco stem moistening equipment and tobacco stem pretreatment equipment, and relates to the technical field of stem moistening. The tobacco stem moistening equipment comprises a flow control device, a first sealing tank, a water adding device and a flow meter; a first feeding port is formed in the top of the first sealing tank, the flow control device is connected with the first feeding port and used for conveying tobacco stem raw materials into the first sealing tank according to the set material flow, the water adding device is provided with a flow meter, the flow meter is used for detecting the water adding flow of the water adding device, and the water adding device is communicated with the first sealing tank. The water adding device is used for controlling the water adding flow. The flow control device can control conveying of tobacco stem raw materials to the first sealing tank at a constant material flow, the water adding device is combined with the flow meter to control conveying of water to the first sealing tank at a constant water adding flow, and therefore it can be guaranteed that the amount of water conveyed to the first sealing tank in unit time can be constant by adding water while feeding is conducted; and the moisture uniformity of the moistened tobacco stems is improved.

Description

Technical Field

[0001] This application relates to the technical field of tobacco stem conditioning, and particularly to a tobacco stem conditioning device and a tobacco stem pretreatment device. Background Art

[0002] During the tobacco stem pretreatment process, since the dry tobacco stems are brittle and not easily deformed under pressure, breakage is likely to occur during the pressing process. Therefore, it is necessary to appropriately increase the moisture content and temperature of the tobacco stems to make them soft and have uniform moisture penetration, with certain plasticity, so as to reduce breakage during the pressing and cutting processes of the tobacco stems. The main function of the conditioning device is to heat and humidify the tobacco stems to further improve their softness and processability to meet the technological requirements of subsequent tobacco stem pressing and cutting.

[0003] Currently, traditional tobacco stem conditioning devices such as fluidized bed conditioning machines, spiral steaming machines, and scraper steaming machines have short residence times of tobacco stems in the conditioning processing equipment, and large fluctuations in the moisture content of tobacco stems, resulting in uneven moisture within batches.

[0004] Therefore, how to improve the uniformity of the moisture content of tobacco stems after conditioning is a problem that needs to be solved by those skilled in the art. Summary of the Utility Model

[0005] The purpose of this application is to provide a tobacco stem conditioning device and a tobacco stem pretreatment device to solve the problem that the residence time of tobacco stems in the conditioning processing equipment is short, the moisture content of tobacco stems fluctuates greatly, resulting in uneven moisture within batches.

[0006] To solve the above technical problems, this application provides a tobacco stem conditioning device, including: a flow control device, a first sealed tank, a water adding device, and a flow meter;

[0007] The top of the first sealed tank is provided with a first feed inlet, the flow control device is connected to the first feed inlet, the flow control device is used to convey tobacco stem raw materials into the first sealed tank at a set material flow rate, the water adding device is provided with a flow meter, the flow meter is used to detect the water adding flow rate of the water adding device, the water adding device is communicated with the first sealed tank, and the water adding device is used to control the water adding flow rate.

[0008] Optionally, it further includes a conveying device and a second sealed tank. The bottom of the first sealed tank is provided with a first discharge outlet, the top of the second sealed tank is provided with a second feed inlet, the bottom of the second sealed tank is provided with a second discharge outlet, and the conveying device is respectively connected to the first discharge outlet and the second feed inlet. The conveying device is used to transfer the tobacco stem raw materials in the first sealed tank to the second sealed tank.

[0009] Optionally, the flow control device includes a metering pipe and an electronic belt scale. The discharge end of the metering pipe is connected to one end of the electronic belt scale, and the other end of the electronic belt scale is connected to the first feed inlet.

[0010] Optionally, both the first feed inlet and the second feed inlet are provided with feed air locks, and both the first discharge outlet and the second discharge outlet are provided with discharge air locks.

[0011] Optionally, the water addition device includes a nozzle and a water delivery pipe. The flow meter is arranged on the water delivery pipe. A valve is arranged on the water delivery pipe. The nozzle is arranged at the top inside the first sealed tank. One end of the water delivery pipe is connected to the nozzle, and the other end of the water delivery pipe penetrates through the top of the first sealed tank in a sealed manner and extends to the outside of the first sealed tank.

[0012] Optionally, the conveying device is a lifting spiral pipe, and the lifting spiral pipe is respectively connected to the first discharge outlet and the second feed inlet.

[0013] Optionally, a funnel is connected to the feed end of the metering pipe, an extension pipe is connected to the first feed inlet, an opening is formed in the side wall of the extension pipe, and the other end of the electronic belt scale is connected to the extension pipe and extends into the extension pipe through the opening.

[0014] Optionally, a heating component and a temperature sensor are arranged on the side wall of the first sealed tank, and the heating component is used for heating the tobacco stem raw material inside the first sealed tank.

[0015] Optionally, a stirrer is arranged inside the second sealed tank, and the stirrer includes a motor and a stirring rod connected to the motor.

[0016] This application also provides a tobacco stem pretreatment device, including the tobacco stem conditioning device described above.

[0017] A tobacco stem conditioning device provided by this application includes: a flow control device, a first sealed tank, a water addition device, and a flow meter; a first feed inlet is arranged at the top of the first sealed tank. The flow control device is connected to the first feed inlet, and the flow control device is used for conveying tobacco stem raw materials into the first sealed tank at a set material flow rate. The water addition device is provided with a flow meter, and the flow meter is used for detecting the water addition flow rate of the water addition device. The water addition device is communicated with the first sealed tank, and the water addition device is used for controlling the water addition flow rate. The flow control device can control the conveyance of tobacco stem raw materials to the first sealed tank at a constant material flow rate, and the water addition device combined with the flow meter can control the conveyance of water to the first sealed tank at a constant water addition flow rate. In this way, feeding and adding water simultaneously can ensure that the amount of water conveyed to the first sealed tank per unit time is constant, thereby improving the uniformity of the moisture content of the tobacco stems after conditioning.

[0018] The beneficial effects of a tobacco stem pretreatment device provided by this application correspond to those of a tobacco stem conditioning device, and the effects are as above. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To more clearly illustrate the embodiments of this application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of this application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a structural diagram of a tobacco stem conditioning device provided by an embodiment of this application;

[0021] The reference numerals are as follows: 1 - flow control device, 2 - first sealed tank, 3 - water addition device, 4 - conveying device, 5 - second sealed tank, 6 - funnel, 7 - extension pipe, 101 - metering pipe, 102 - electronic belt scale. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of this application will be clearly and completely described in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, rather than all embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0023] Currently, the tobacco stem conditioning devices adopted, such as fluidized bed conditioning machines, spiral steaming machines, and scraper steaming machines, etc., have a short residence time of tobacco stems in the conditioning processing equipment, and the moisture content of tobacco stems fluctuates greatly, resulting in uneven moisture in batches. After the conditioning process, a storage process is usually set up to balance the moisture of tobacco stems, but the traditional storage cabinet in the storage process cannot effectively balance the moisture of tobacco stems, and there are problems such as a large moisture difference between the upper and lower layers. At the same time, in order to reach the target moisture content, the processing process flow of "two conditioning and two storage" after washing the tobacco stems is long, the system devices are numerous, the energy consumption is high, and the time consumption is long, which does not meet the national green development concept and the new requirements of the industry for green and low-carbon.

[0024] Therefore, how to improve the moisture uniformity of tobacco stems after conditioning, improve production efficiency, simplify the process flow, reduce system devices, and reduce energy consumption are problems that those skilled in the art need to solve.

[0025] The core of this application is to provide a tobacco stem conditioning device and a tobacco stem pretreatment device, which are used to improve the moisture uniformity of tobacco stems after conditioning, improve production efficiency, simplify the process flow, reduce system devices, and reduce energy consumption.

[0026] To enable those skilled in the art to better understand the solution of this application, the following further detailed description of this application will be given in conjunction with the accompanying drawings and specific embodiments.

[0027] Figure 1 The structural diagram of a tobacco stem conditioning device provided by an embodiment of this application is as follows. Figure 1 As shown, a tobacco stem conditioning device includes: a flow control device 1, a first sealed tank 2, a water adding device 3, and a flow meter; a first feed inlet is provided at the top of the first sealed tank 2, the flow control device 1 is connected to the first feed inlet, the flow control device 1 is used to convey tobacco stem raw materials into the first sealed tank 2 at a set material flow rate, the water adding device 3 is provided with a flow meter, the flow meter is used to detect the water adding flow rate of the water adding device 3, the water adding device 3 is communicated with the first sealed tank 2, and the water adding device 3 is used to control the water adding flow rate.

[0028] The embodiment of this application does not specifically limit the flow control device 1. The flow control device 1 may include a conveying pipe and a conveying pump connected to the conveying pipe. The conveying pipe is connected to the first feed inlet. Adjusting the operating speed of the conveying pump can adjust the material flow rate. Of course, it is not limited to the above-mentioned flow control device 1. Any device that can realize the conveying of tobacco stem raw materials and regulate the material flow rate of the conveying of tobacco stem raw materials can be used. The embodiment of this application does not specifically limit the shape and capacity of the first sealed tank 2. As Figure 1 shown, the first sealed tank 2 is in a capsule shape. Regarding the water adding device 3, it may include a conveying pipe and a valve provided on the conveying pipe. Adjusting the opening of the valve can adjust the water adding flow rate of adding water to the first sealed tank 2; the flow meter is used to detect the water adding flow rate in real time so as to facilitate the water adding device 3 to control the constancy of the water adding flow rate. Correspondingly, the relevant controls of the flow control device 1 and the water adding device 3 can be regulated by a terminal.

[0029] A tobacco stem conditioning device provided by an embodiment of this application includes: a flow control device, a first sealed tank, a water adding device, and a flow meter; a first feed inlet is provided at the top of the first sealed tank, the flow control device is connected to the first feed inlet, the flow control device is used to convey tobacco stem raw materials into the first sealed tank at a set material flow rate, the water adding device is provided with a flow meter, the flow meter is used to detect the water adding flow rate of the water adding device, the water adding device is communicated with the first sealed tank, and the water adding device is used to control the water adding flow rate. The flow control device can control the conveyance of tobacco stem raw materials to the first sealed tank at a constant material flow rate, and the water adding device combined with the flow meter can control the conveyance of water to the first sealed tank at a constant water adding flow rate. In this regard, feeding and adding water simultaneously can ensure a certain amount of water conveyed to the first sealed tank per unit time, thereby improving the uniformity of the moisture content of the tobacco stems after conditioning.

[0030] Based on the above embodiments, the embodiments of the present application further include a conveying device 4 and a second sealed tank 5. The bottom of the first sealed tank 2 is provided with a first discharge port, the top of the second sealed tank 5 is provided with a second feed port, and the bottom of the second sealed tank 5 is provided with a second discharge port. The conveying device 4 is respectively connected to the first discharge port and the second feed port, and the conveying device 4 is used to transfer the tobacco stem raw material in the first sealed tank 2 to the second sealed tank 5.

[0031] The embodiments of the present application do not specifically limit the conveying device 4. An electric conveyor belt can be used. As a better choice, the conveying device 4 is a lifting spiral pipe, and the lifting spiral pipe is respectively connected to the first discharge port and the second feed port. The lifting spiral pipe can prevent the tobacco stem raw material from sliding down during the conveying process. The embodiments of the present application do not specifically limit the shape and capacity of the second sealed tank 5. For example, Figure 1 as shown, the second sealed tank 5 is in the shape of a capsule. The second sealed tank 5 is mainly used to store the tobacco stem raw material after humidifying the stems. By setting the conveying device 4 and the second sealed tank 5, it is possible to humidify and store simultaneously, ensure that the humidifying process of the stems is uninterrupted, and improve production efficiency.

[0032] Based on this, both the first feed port and the second feed port are provided with feed air locks, and both the first discharge port and the second discharge port are provided with discharge air locks. Thereby ensuring the airtightness of the first sealed tank 2 and the second sealed tank 5, as well as the requirements for continuous, uniform, and stable discharging.

[0033] Based on the above embodiments, the flow control device 1 of the embodiments of the present application includes a metering pipe 101 and an electronic belt scale 102. The discharge end of the metering pipe 101 is connected to one end of the electronic belt scale 102, and the other end of the electronic belt scale 102 is connected to the first feed port.

[0034] The metering pipe 101 and the electronic belt scale 102 can control the conveying flow rate of the tobacco stem raw material. The feed end of the metering pipe 101 is connected to the discharge end of the previous process. For example, Figure 1 as shown, a funnel 6 is connected to the feed end of the metering pipe 101, an extension pipe 7 is connected to the first feed port, an opening is provided on the side wall of the extension pipe 7, and the other end of the electronic belt scale 102 is connected to the extension pipe 7 and extends into the extension pipe 7 through the opening. The provision of the funnel 6 at the feed end of the metering pipe 101 can ensure that the tobacco stem raw material can accurately fall into the metering pipe 101, reducing waste of the tobacco stem raw material; the other end of the electronic belt scale 102 extends into the extension pipe 7 through the opening of the extension pipe 7, which also prevents the tobacco stem raw material from falling outside the first sealed tank 2. The extension pipe 7 can be threadedly connected to the first feed port.

[0035] Based on the above embodiments, the water addition device 3 of the present application includes a nozzle and a water delivery pipe. A flow meter is provided on the water delivery pipe, and a valve is provided on the water delivery pipe. The nozzle is provided at the top inside the first sealed tank 2. One end of the water delivery pipe is connected to the nozzle, and the other end of the water delivery pipe seals through the top of the first sealed tank 2 and extends to the outside of the first sealed tank 2. By providing a nozzle connected to the water delivery pipe, water can be formed into a water mist and sprayed on the surface of the tobacco stem raw material, improving the uniformity of the moisture on the surface of the tobacco stem. Adjusting the opening degree of the valve on the water delivery pipe can adjust the water addition flow rate; the water delivery pipe can be connected to a water tank through a water pump.

[0036] Based on the above embodiments, a heating component and a temperature sensor are provided on the side wall of the first sealed tank 2 of the present application. The heating component is used to heat the tobacco stem raw material inside the first sealed tank 2. A stirrer is provided inside the second sealed tank 5. The stirrer includes a motor and a stirring rod connected to the motor.

[0037] The present application does not specifically limit the heating component. It can be heating wires wound around the outer wall of the first sealed tank 2, and the temperature sensor is provided on the inner wall of the first sealed tank 2. By providing a stirrer inside the second sealed tank 5, the uniformity of the moisture of the tobacco stem raw material during storage can be further improved.

[0038] For easy understanding, the usage method of the tobacco stem conditioning equipment is introduced below.

[0039] The incoming tobacco stem raw material is sequentially conveyed to the metering pipe 101 and the electronic belt scale 102 through the previous process. The electronic belt scale 102 measures the material flow rate of the tobacco stem raw material as 122 kg / h. The actual moisture content of the incoming tobacco stem raw material is 28%. The target moisture content of the tobacco stem raw material after conditioning is set to 32%. According to the target moisture content after tobacco stem conditioning, the theoretical water addition flow rate is calculated as 7.41 kg / h, which is the water addition flow rate of the water addition device 3 in the conditioning and storage process.

[0040] When the tobacco stem raw material enters the first sealed tank 2 evenly and stably, the nozzle is controlled to add water to the first sealed tank 2 at a water flow rate of 7.41 kg / h, so that the first sealed tank 2 can soak and moisten the tobacco stem raw material. The tobacco stem raw material in the first sealed tank 2 is transported to the second sealed tank 5 for storage by the lifting spiral tube. The tobacco stem raw material is stored in the tank for 30 minutes. The moisture content of the tobacco stem raw material after moistening is 32%, which meets the target moisture requirement. The tobacco stem raw material after moistening enters the pressing and cutting process through the conveyor belt. Among them, the total height of the first sealed tank 2 and the second sealed tank 5 is 3m, the effective storage height is about 1m, the inner diameter of the tank is 0.8m, and the capacity is 150kg; the function of the first sealed tank 2 in series is mainly to moisten the tobacco stems, the surface of the tank body is smooth, and the top and bottom are respectively provided with a feed air lock and a discharge air lock to meet the high airtightness. A high-pressure clean water nozzle is arranged at the top of the inside of the first sealed tank 2, which can add water to the tobacco stem raw materials in a quantitative manner; the function of the second sealed tank 5 in series is mainly to store tobacco stems, the surface of the tank body is smooth, and the top and bottom are respectively provided with a feed air lock and a discharge air lock to meet the high airtightness, and both sealed tanks have a constant temperature heating function.

[0041] This application controls the material flow rate to be stable through a flow control device, and combines the constant flow water addition of the water adding device to ensure uniform moisture content during the stem moistening process while feeding the material; uninterrupted continuous processing improves production efficiency while storing and discharging the material. Compared with the traditional two moistening and two storage, this application integrates one moistening and one storage, simplifies the process flow, reduces system devices, reduces equipment energy consumption, and significantly improves the environmental friendliness of the pretreatment and processing of tobacco stem raw materials in industrial enterprises, which can well support the green and low-carbon development of the industry.

[0042] Finally, the present application also provides a tobacco stem pretreatment device, including the above-mentioned tobacco stem moistening device. Since the components of the tobacco stem moistening device are described in detail above, they will not be repeated in this embodiment. In addition to the tobacco stem moistening device, it can also include a feeding device and a stem washing device.

[0043] The present application provides a tobacco stem pretreatment device, including the above-mentioned tobacco stem moistening device. The tobacco stem moistening device includes: a flow control device, a first sealed tank, a water adding device and a flow meter; a first feed port is provided on the top of the first sealed tank, the flow control device is connected to the first feed port, the flow control device is used to transport the tobacco stem raw material to the first sealed tank at a set material flow rate, the water adding device is provided with a flow meter, the flow meter is used to detect the water adding flow rate of the water adding device, the water adding device is connected to the first sealed tank, and the water adding device is used to control the water adding flow rate. The flow control device can control the delivery of tobacco stem raw material to the first sealed tank at a constant material flow rate, and the water adding device combined with the flow meter can control the delivery of water to the first sealed tank at a constant water adding flow rate. In this regard, adding water while feeding can ensure that the amount of water delivered to the first sealed tank per unit time is constant, thereby improving the uniformity of the moisture content of the tobacco stems after moistening.

[0044] The above has introduced in detail a tobacco stem conditioning device and a tobacco stem pretreatment device provided by the present application. The various embodiments in the specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same or similar parts among the various embodiments, reference can be made to each other. It should be noted that for those of ordinary skill in the art of the present technology, without departing from the principle of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

[0045] It should also be noted that in this specification, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of another identical element in the process, method, article or device including the said element.

Claims

1. A tobacco stem conditioning device, characterized in that, Comprising: A flow control device (1), a first sealed tank (2), a water adding device (3) and a flow meter; The top of the first sealed tank (2) is provided with a first feed inlet, the flow control device (1) is connected to the first feed inlet, the flow control device (1) is used to convey the tobacco stem raw material into the first sealed tank (2) at a set material flow rate, the water adding device (3) is provided with a flow meter, the flow meter is used to detect the water adding flow rate of the water adding device (3), the water adding device (3) is communicated with the first sealed tank (2), and the water adding device (3) is used to control the water adding flow rate.

2. The tobacco stem conditioning equipment according to claim 1, characterized in that, It further comprises a conveying device (4) and a second sealed tank (5), the bottom of the first sealed tank (2) is provided with a first discharge outlet, the top of the second sealed tank (5) is provided with a second feed inlet, the bottom of the second sealed tank (5) is provided with a second discharge outlet, the conveying device (4) is respectively connected to the first discharge outlet and the second feed inlet, and the conveying device (4) is used to transfer the tobacco stem raw material in the first sealed tank (2) to the second sealed tank (5).

3. The tobacco stem conditioning equipment according to claim 1, characterized in that The flow control device (1) comprises a metering pipe (101) and an electronic belt scale (102), the discharge end of the metering pipe (101) is connected to one end of the electronic belt scale (102), and the other end of the electronic belt scale (102) is connected to the first feed inlet.

4. The tobacco stem conditioning device according to claim 2, wherein, Both the first feed inlet and the second feed inlet are provided with feed air locks, and both the first discharge outlet and the second discharge outlet are provided with discharge air locks.

5. The tobacco stem conditioning equipment according to claim 1, characterized in that, The water adding device (3) comprises a nozzle and a water delivery pipe, the flow meter is arranged on the water delivery pipe, a valve is arranged on the water delivery pipe, the nozzle is arranged at the top inside the first sealed tank (2), one end of the water delivery pipe is connected to the nozzle, and the other end of the water delivery pipe penetrates through the top of the first sealed tank (2) in a sealed manner and extends to the outside of the first sealed tank (2).

6. The tobacco stem conditioning device according to claim 2, wherein, The conveying device (4) is a lifting spiral pipe, and the lifting spiral pipe is respectively connected to the first discharge outlet and the second feed inlet.

7. The tobacco stem conditioning equipment according to claim 3, characterized in that, A funnel (6) is connected to the feed end of the metering pipe (101), an extension pipe (7) is connected to the first feed inlet, an opening is formed in the side wall of the extension pipe (7), and the other end of the electronic belt scale (102) is connected to the extension pipe (7) and extends into the extension pipe (7) through the opening.

8. The tobacco stem conditioning device according to any one of claims 1 to 7, characterized in that, A heating assembly and a temperature sensor are arranged on the side wall of the first sealed tank (2), and the heating assembly is used to heat the tobacco stem raw material in the first sealed tank (2).

9. The tobacco stem conditioning device according to claim 2, characterized in that, A stirrer is arranged inside the second sealed tank (5), and the stirrer comprises a motor and a stirring rod connected to the motor.

10. A tobacco stem pretreatment device, characterized in that, Comprising the tobacco stem conditioning equipment according to any one of claims 1 to 9.

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