A compound feeding device and an expanded tobacco production system

Abstract

The application discloses a composite feeding device and an expanded tobacco production system, which comprises a feeding unit and a feeding chamber. The feeding unit is provided with at least three feeding units for conveying process water, sugar and spices respectively. The outlets of the feeding units are communicated with the feeding chamber respectively. The feeding unit comprises a storage tank, a feeding pump and a nozzle which are connected in sequence through pipelines. The feeding pump is used for conveying the liquid in the storage tank to the nozzle, and the liquid is sprayed on the tobacco in the feeding chamber by the nozzle. The composite feeding device and the expanded tobacco production system can realize the synchronous atomization and spraying of multiple liquids, simplify the equipment structure and the operation process, and greatly improve the uniformity and efficiency of the liquid application.

Description

Technical Field

[0001] This application relates to the field of tobacco processing equipment technology, and more specifically, to a composite feeding device and an expanded tobacco production system. Background Technology

[0002] In the production process of dry ice expanded tobacco, in order to improve the sensory quality of the tobacco, such as increasing sweetness, masking off-flavors, and enhancing aroma, it is necessary to apply liquid materials such as process water, sugar, and flavoring evenly and quantitatively to the expanded tobacco.

[0003] Currently, the application method is often carried out in stages and independently: first, the tobacco is humidified by a water supply system, and then a separate feeding system (such as a sugar or flavoring system) applies liquid to the tobacco. This existing method has the following significant drawbacks: firstly, staged application easily leads to uneven distribution of the liquid in the tobacco, resulting in localized over-wetting or clumping, while some tobacco fails to come into contact with the liquid, severely affecting the consistency of product quality; secondly, staged application requires two or more independent application systems, resulting in large equipment footprints, high energy consumption, and complex operation and maintenance.

[0004] Therefore, there is an urgent need for a composite feeding device and an expanded tobacco production system that can achieve simultaneous atomization and spraying of multiple liquid materials, simplifying the equipment structure and operation process, and greatly improving the uniformity and efficiency of liquid material application. Utility Model Content

[0005] To solve the above-mentioned technical problems, the composite feeding device and expanded tobacco production system provided in this application can realize the simultaneous atomization and spraying of multiple liquid materials, simplifying the equipment structure and operation process, and greatly improving the uniformity and efficiency of liquid material application.

[0006] The technical solution provided in this application is as follows: A composite feeding device includes: a feeding unit and a feeding chamber. The feeding unit is provided with at least three units, which are used to convey process water, sugar and flavoring respectively. The outlet of each feeding unit is connected to the feeding chamber. in, The feeding unit includes a storage tank, a feeding pump, and a nozzle connected in sequence via pipelines. The feeding pump is used to transport the liquid in the storage tank to the nozzle, and the nozzle sprays the liquid onto the tobacco in the feeding chamber.

[0007] Preferably, the feeding unit further includes: A flow meter is disposed between the feed pump and the nozzle, and the flow meter is used to collect the flow rate output by the feed pump; A regulating valve is disposed between the flow meter and the nozzle.

[0008] Preferably, it further includes: The control unit is electrically connected to the flow meter, the regulating valve, and the feed pump.

[0009] Preferably, the feeding unit further includes: A feed pipe connected to the liquid inlet of the storage tank; A solenoid valve is installed on the feed pipe, and the solenoid valve is electrically connected to the control unit.

[0010] Preferably, it further includes: An atomizing medium conduit has the same number of outlets as the number of nozzles, and the outlets of the atomizing medium conduit are connected to the inlets of the nozzles.

[0011] Preferably, the atomizing medium pipeline is used to transport high-pressure gas.

[0012] Preferably, the sugar storage tank and the spice storage tank are equipped with a stirring mechanism, which is electrically connected to the control unit.

[0013] Preferably, the nozzle of the process water feeding unit is located on the side of the feeding chamber, the nozzle of the sugar feeding unit is located at the front end of the feeding chamber, and the nozzle of the spice feeding unit is located at the rear end of the feeding chamber.

[0014] An expanded tobacco production system includes the composite feeding device described in any one of the above claims.

[0015] The composite feeding device provided by this utility model, firstly, is equipped with feeding units and a feeding chamber. At least three feeding units are provided, each for conveying process water, sugar, and flavoring, respectively. The outlet of each feeding unit is connected to the feeding chamber. By simultaneously applying multiple liquids to the tobacco in the feeding chamber, the unevenness and clumping problems caused by step-by-step application are avoided, significantly improving product quality. Furthermore, since the outlets of all feeding units are connected to the feeding chamber, process water, sugar, and flavoring are applied simultaneously to the tobacco within the feeding chamber, simplifying the equipment structure and operation process. Secondly, the feeding unit includes a storage tank, a feeding pump, and a nozzle connected sequentially via pipelines. The feeding pump transports the liquid from the storage tank to the nozzle, which then sprays the liquid onto the tobacco in the feeding chamber, ensuring uniform application. Therefore, compared to existing technologies, the composite feeding device provided by this utility model can achieve simultaneous atomization spraying of multiple liquids, simplifying the equipment structure and operation process, and greatly improving the uniformity and efficiency of liquid application.

[0016] This application also provides an expanded tobacco production system, including the above-mentioned composite feeding device, which can also achieve the above-mentioned technical effects, and will not be described in detail here. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of a composite feeding device provided in an embodiment of the present invention.

[0019] Reference numerals: 2. Feeding chamber; 3. Control unit; 4. Atomizing medium pipeline; 11. Storage tank; 12. Feed pump; 13. Nozzle; 14. Flow meter; 15. Regulating valve; 16. Feed pipe; 17. Solenoid valve; 18. Stirring mechanism. Detailed Implementation

[0020] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0022] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and 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 application.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "a plurality of" or "several" means two or more, unless otherwise explicitly specified.

[0024] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0025] The embodiments of this utility model are written in a progressive manner.

[0026] like Figure 1 As shown, this utility model provides a composite feeding device, including: a feeding unit and a feeding chamber 2. The feeding unit is provided with at least three units, which are used to transport process water, sugar and flavoring respectively. The outlet of each feeding unit is connected to the feeding chamber 2. The feeding unit includes a storage tank 11, a feeding pump 12 and a nozzle 13 connected in sequence by pipelines. The feeding pump 12 is used to transport the liquid in the storage tank 11 to the nozzle 13, and the nozzle 13 sprays the liquid onto the tobacco in the feeding chamber 2.

[0027] Existing technologies often employ a step-by-step, independent application method: first, a water-adding system humidifies the tobacco, and then another additive system (such as a sugar or flavoring system) applies the liquid additive to the tobacco. This existing application method has the following significant drawbacks: (1) Applying the liquid in stages can easily lead to uneven distribution of the liquid in the tobacco, resulting in local over-wetting or clumping. Some tobacco may not come into contact with the liquid, which seriously affects the consistency of product quality. (2) Step-by-step application requires two or more independent application systems, which occupy a large area, consume a lot of energy, and are complicated to operate and maintain.

[0028] (3) Because the sugar and flavoring application device has high viscosity, it is easy to leave residues on the inner wall of the pipe and equipment, resulting in material loss and increasing production costs.

[0029] (4) When selecting the function of adding flavor or adding ingredients to expanded tobacco, only one of the two can be selected. It is not possible to achieve the special function requirements of adding ingredients and flavor at the same time in a single process.

[0030] Compared with the prior art, the composite feeding device provided by this utility model, firstly, is equipped with feeding units and a feeding chamber 2. At least three feeding units are provided, each for conveying process water, sugar, and flavoring. The outlet of each feeding unit is connected to the feeding chamber 2. By simultaneously applying multiple liquids to the tobacco in the feeding chamber 2, the unevenness and clumping problems caused by step-by-step application are avoided, significantly improving product quality. Furthermore, since the outlets of all feeding units are connected to the feeding chamber 2, the process water, sugar, and flavoring are applied simultaneously to the tobacco within the feeding chamber 2, simplifying the equipment structure and operation process. Secondly, the feeding unit includes a storage tank 11, a feeding pump 12, and a nozzle 13 connected sequentially via pipelines. The feeding pump 12 transports the liquid from the storage tank 11 to the nozzle 13, which then sprays the liquid onto the tobacco in the feeding chamber 2, ensuring more uniform application. Therefore, compared with the prior art, the composite feeding device provided by this utility model can realize the simultaneous atomization and spraying of multiple liquids, simplify the equipment structure and operation process, and greatly improve the uniformity and efficiency of liquid application.

[0031] Because the composite feeding device provided in this embodiment of the utility model can integrate multiple application devices into one set, it reduces the number of equipment, floor space and energy consumption. At the same time, it can reduce the residue of high viscosity liquid in multiple independent pipes and equipment, reduce liquid loss and production costs.

[0032] Furthermore, a cooling and rehydration roller is installed in the feeding chamber 2. The tobacco shreds are conveyed from the front end of the cooling and rehydration roller to its rear end. The nozzle 13 is located above the cooling and rehydration roller, and the spraying direction of the nozzle 13 is aimed at the tobacco shreds flow to ensure that the sprayed liquid can evenly cover the surface of the tobacco shreds below.

[0033] Furthermore, in this embodiment of the present invention, the delivery pump can be a precision metering pump or a variable frequency peristaltic pump. The delivery pump is used to deliver the liquid material to the nozzle 13 for spraying at a stable pressure and flow rate.

[0034] More specifically, in this embodiment of the invention, the infusion pump is connected to the bottom of the storage tank 11.

[0035] Furthermore, the feeding unit in this embodiment of the present invention also includes a flow meter 14 and a regulating valve 15. The flow meter 14 is disposed between the feeding pump 12 and the nozzle 13. The flow meter 14 is used to collect the flow rate of the liquid output by the feeding pump 12. The regulating valve 15 is disposed between the flow meter 14 and the nozzle 13. The opening of the regulating valve 15 is adjusted according to the flow rate collected by the flow meter 14 and the process formula, thereby ensuring the accuracy of the liquid ratio.

[0036] Furthermore, the regulating valve 15 can be manually adjusted. As a more preferred embodiment, the composite feeding device in this invention also includes a control unit 3. The control unit 3 is electrically connected to the flow meter 14 and the regulating valve 15. The control unit 3 can adjust the opening of the regulating valve 15 in each feeding unit in real time according to the preset process formula (including but not limited to the sugar ratio, flavoring ratio, and total application amount) and the flow rate collected by the flow meter 14. This precisely controls the instantaneous addition amount of the three materials—process water, sugar, and flavoring—ensuring the accuracy of the liquid-to-material ratio. By controlling the flow rate of each component online in real time through the control unit 3, the accuracy and consistency of the formula execution are ensured, reducing human error and enhancing process stability.

[0037] Furthermore, in this embodiment of the invention, the control unit 3 is specifically a logic controller or an industrial computer.

[0038] Furthermore, the regulating valve 15 in this embodiment of the present invention can be an electromagnetic regulating valve or a pneumatic regulating valve.

[0039] Furthermore, in this embodiment of the invention, the delivery pump is electrically connected to the control unit 3, and the control unit 3 can be used to control the start and stop of the delivery pump.

[0040] In the above structure, as one embodiment, the feeding unit in this utility model embodiment further includes a feed pipe 16 and a solenoid valve 17. The feed pipe 16 is connected to the liquid inlet of the storage pipe. The solenoid valve 17 is installed on the feed pipe 16 and is electrically connected to the control unit 3. The control unit 3 controls the opening and closing of the solenoid valve 17.

[0041] Furthermore, in this embodiment of the present invention, the nozzle 13 is specifically an airflow atomizing nozzle or an acoustic atomizing nozzle.

[0042] In the above structure, in order to make the liquid sprayed by the nozzle 13 more uniform, as one embodiment, the composite feeding device in this utility model embodiment also includes an atomizing medium pipe 4. The number of outlets of the atomizing medium pipe 4 is the same as the number of nozzles 13, and the outlet of the atomizing medium pipe 4 is connected to the inlet of the nozzle 13. The liquid is fully atomized into extremely fine droplets by the atomizing medium.

[0043] In the above structure, the atomizing medium pipe 4 can be used to transport steam or high-pressure gas.

[0044] In a preferred embodiment, the atomizing medium pipeline 4 in this utility model embodiment is used to transport high-pressure gas. The atomizing medium pipeline 4 is connected to the compressed air source in the plant area, and the liquid material in the storage pipe is fully atomized by the compressed air.

[0045] In the above structure, to avoid the liquid becoming too viscous and clogging the pipeline, as one embodiment, the sugar storage tank 11 and the spice storage tank 11 of this utility model are equipped with a stirring mechanism 18, which is electrically connected to the control unit 3. The control unit 3 controls the start, stop, and speed adjustment of the stirring mechanism 18, thereby stirring the liquid in the storage tank 11 to prevent the liquid from becoming too viscous.

[0046] In the above structure, as one embodiment, the nozzle 13 of the process water feeding unit in the composite feeding device of this utility model is located on the side of the feeding chamber 2, the nozzle 13 of the sugar feeding unit is located at the front end of the feeding chamber 2, and the nozzle 13 of the flavoring feeding unit is located at the rear end of the feeding chamber 2. This arrangement avoids overlap and interference between the sugar and flavoring spray areas, preventing condensation and the formation of wet clumps; it also limits the installation positions of the nozzle 13 due to the small diameter of the feeding roller; furthermore, the sugar has a certain degree of adhesion, and placing it at the front end ensures that the expanded tobacco fully absorbs the liquid.

[0047] This utility model also provides an expanded tobacco production system, including the above-mentioned composite feeding device, which can also realize the simultaneous atomization and spraying of multiple liquid materials, simplifying the equipment structure and operation process, and greatly improving the uniformity and efficiency of liquid material application.

[0048] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A composite feeding device, characterized in that, include: The feeding unit and the feeding chamber (2) are provided. At least three feeding units are provided, which are used to transport process water, sugar and spices respectively. The outlet of each feeding unit is connected to the feeding chamber (2). in, The feeding unit includes a storage tank (11), a feeding pump (12) and a nozzle (13) connected in sequence by pipelines. The feeding pump (12) is used to transport the liquid in the storage tank (11) to the nozzle (13), and the nozzle (13) sprays the liquid onto the tobacco in the feeding chamber (2).

2. The composite feeding device according to claim 1, characterized in that, The feeding unit further includes: A flow meter (14) is disposed between the feed pump (12) and the nozzle (13), and the flow meter (14) is used to collect the flow rate output by the feed pump (12); A regulating valve (15) is disposed between the flow meter (14) and the nozzle (13).

3. The composite feeding device according to claim 2, characterized in that, Also includes: Control unit (3) is electrically connected to the flow meter (14), the regulating valve (15) and the feed pump (12).

4. The composite feeding device according to claim 3, characterized in that, The feeding unit further includes: A feed pipe (16) connected to the liquid inlet of the storage tank (11). The solenoid valve (17) is installed on the feed pipe (16) and is electrically connected to the control unit (3).

5. The composite feeding device according to claim 4, characterized in that, Also includes: Atomizing medium pipe (4) has the same number of outlets as the number of nozzles (13), and the outlets of the atomizing medium pipe (4) are connected to the inlets of the nozzles.

6. The composite feeding device according to claim 5, characterized in that, The atomizing medium pipeline (4) is used to transport high-pressure gas.

7. The composite feeding device according to claim 5, characterized in that, The sugar storage tank and the spice storage tank are equipped with a stirring mechanism (18), which is electrically connected to the control unit (3).

8. The composite feeding device according to any one of claims 1 to 3, 5 to 7, characterized in that, The nozzles of the process water feeding unit are located on the side of the feeding chamber, the nozzles of the sugar feeding unit are located at the front end of the feeding chamber, and the nozzles of the spice feeding unit are located at the rear end of the feeding chamber.

9. An expanded tobacco shred production system, characterized in that, The composite feeding device includes any one of claims 1 to 8.

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