An apparatus and method for refrigerated storage of tobacco concentrate

Abstract

The present application discloses a device for refrigerated storage of tobacco concentrate liquid, including a refined liquid tank, a concentrated liquid tank and a refrigerated liquid tank. A concentration device is provided between the refined liquid tank and the concentrated liquid tank. The concentrated liquid tank is connected to the refrigerated liquid tank through a connecting pipeline with a three-way valve, and the refrigerated liquid tank is connected to the refined liquid tank through a connecting pipeline. Liquid pumps are provided on the connecting pipeline between the refined liquid tank and the concentration device, on the connecting pipeline between the concentrated liquid tank and the concentration device, on the connecting pipeline between the concentrated liquid tank and the refrigerated liquid tank, and on the connecting pipeline between the refrigerated liquid tank and the refined liquid tank. The present application also provides a method for refrigerated storage of tobacco concentrate liquid. The present application can greatly reduce the concentration time and save the start-up preparation time, without causing waste of materials.

Description

Technical Field

[0001] The present application relates to the technical field of reconstituted tobacco pulp production equipment and processes, and particularly to a device and method for refrigerated storage of tobacco concentrate liquid. Background Art

[0002] Reconstituted tobacco refers to a regenerated product made from waste materials such as tobacco stems, tobacco dust, and shredded tobacco leaves during the cigarette manufacturing process, which is used as a cigarette filler. Reconstituted tobacco plays an important role in cigarette production, not only reducing the cost of cigarettes but also improving the internal quality of cigarettes.

[0003] In the preparation process of tobacco pulp, tobacco raw materials are soaked, purified, and extruded to produce a refined liquid. The refined liquid enters a concentration device to evaporate water and increase the concentration to obtain a concentrated liquid. After meeting the process requirements, it enters the mixing room for mixing and then production. However, the above process generally takes more than 8 hours. Each time after a shutdown due to holidays or other reasons, a large amount of time is consumed to repeat the above process flow, which greatly reduces production efficiency and is also prone to material waste. Summary of the Invention

[0004] To solve the above technical problems, the present invention provides a device and method for refrigerated storage of tobacco concentrate liquid, which can greatly reduce the concentration time and save startup preparation time, and will not cause material waste.

[0005] The technical solution provided by the present invention is as follows:

[0006] A device for refrigerated storage of tobacco concentrate liquid includes a refined liquid tank, a concentrated liquid tank, and a refrigerated liquid tank. A concentration device is provided between the refined liquid tank and the concentrated liquid tank. The concentrated liquid tank is connected to the refrigerated liquid tank through a connecting pipe with a three-way valve, and the refrigerated liquid tank is connected to the refined liquid tank through a connecting pipe. Liquid pumps are provided on the connecting pipes between the refined liquid tank and the concentration device, between the concentrated liquid tank and the concentration device, between the concentrated liquid tank and the refrigerated liquid tank, and between the refrigerated liquid tank and the refined liquid tank.

[0007] Preferably, a stirring mechanism is provided inside the refrigerated liquid tank.

[0008] Preferably, the stirring mechanism includes a motor, a motor mounting bracket, a stirring shaft connected to the motor, and stirring blades mounted on the stirring shaft. The stirring blades are installed in a spiral structure around the stirring shaft.

[0009] Preferably, an upper liquid level detector is provided inside the top end of the refrigerated liquid tank.

[0010] Preferably, a lower liquid level detector is provided inside the bottom end of the refrigerated liquid tank.

[0011] Preferably, an electronic flowmeter is provided on the connecting pipe between the refrigerated liquid tank and the refined liquid tank.

[0012] Preferably, the refrigerated liquid tank is connected with a water delivery pipe, and a solenoid valve is provided on the water delivery pipe.

[0013] A method for refrigerated storage of tobacco concentrate liquid uses the device for refrigerated storage of tobacco concentrate liquid as described above, and includes the following steps:

[0014] S1. When the production is coming to an end, switch the three-way valve to transfer the excess concentrate liquid in the concentrate liquid tank into the refrigerated liquid tank.

[0015] S2. Stop the pump after the refrigerated liquid tank is filled with concentrate liquid.

[0016] S3. When starting production next time, the concentrate liquid in the refrigerated liquid tank is mixed into the refined liquid tank according to a certain ratio as required by the process.

[0017] S4. When the concentrate liquid in the refrigerated liquid tank is emptied, clean the refrigerated liquid tank.

[0018] Preferably, in step S3, the total amount of the concentrate liquid transferred from the refrigerated liquid tank to the refined liquid tank is controlled by an electronic flowmeter.

[0019] Preferably, in steps S2 and S4, the liquid level of the concentrate liquid in the refrigerated liquid tank is judged by an upper liquid level gauge and a lower liquid level gauge respectively.

[0020] The present application has the following advantages compared with the prior art:

[0021] In the process of preparing tobacco leaf slurry, with the stable operation of the production equipment after startup, more and more concentrate liquid is produced. By using the device and method for refrigerated storage of tobacco concentrate liquid of the present invention, the excess concentrate liquid can be transferred to the refrigerated tank for refrigerated storage when the production is approaching the end, or during shutdown for holidays, or when changing products. When starting production next time, the concentrate liquid in the refrigerated tank can be transferred into the refined liquid tank according to a certain ratio and mixed with fresh refined liquid and then enter the concentration equipment for concentration, which can greatly reduce the concentration time and save the startup preparation time, and will not cause waste of materials. Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1This is a schematic structural diagram of the device for refrigerated storage of tobacco concentrate in the embodiments of the present invention;

[0024] Figure 2 This is a schematic structural diagram of the refrigerating liquid tank in the embodiments of the present invention;

[0025] Figure 3 This is a schematic perspective sectional structural diagram of one side angle of the refrigerating liquid tank in the embodiments of the present invention.

[0026] Reference numerals:

[0027] 1, refined liquid tank; 2, concentrated liquid tank; 3, refrigerating liquid tank; 31, upper liquid level device; 32, lower liquid level device; 4, concentration equipment; 5, three-way valve; 6, liquid pumping machine; 7, stirring mechanism; 71, motor mounting frame; 72, stirring shaft; 73, stirring blade; 8, electronic flowmeter; 9, water delivery pipe; 91, solenoid valve. Detailed implementation manners

[0028] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0029] As Figures 1-3 shown, the embodiments of the present invention provide a device for refrigerated storage of tobacco concentrate, including a refined liquid tank 1, a concentrated liquid tank 2 and a refrigerating liquid tank 3. A concentration equipment 4 is provided between the refined liquid tank 1 and the concentrated liquid tank 2. The concentration equipment 4 can evaporate water from the refined liquid, purify and increase the concentration to obtain concentrated liquid. The concentrated liquid tank 2 is connected to the refrigerating liquid tank 3 through a connecting pipe with a three-way valve 5, and the refrigerating liquid tank 3 is connected to the refined liquid tank 1 through a connecting pipe; liquid pumping machines 6 are provided on the connecting pipes between the refined liquid tank 1 and the concentration equipment 4, between the concentrated liquid tank 2 and the concentration equipment 4, between the concentrated liquid tank 2 and the refrigerating liquid tank 3, and between the refrigerating liquid tank 3 and the refined liquid tank 1. The liquid pumping machines 6 can pump the liquid out of each tank body.

[0030] In this embodiment, the refined liquid tank 1, the concentrated liquid tank 2 and the refrigerating liquid tank 3 are all arranged on the workshop floor through a rack. The tobacco raw materials are soaked, purified and extruded to produce refined liquid, which is temporarily stored in the refined liquid tank 1. The refined liquid enters the concentration equipment 4 to evaporate water, purify and increase the concentration to obtain concentrated liquid, which is temporarily stored in the concentrated liquid tank 2. After meeting the process requirements, it enters the mixing room for mixing and then production. The refrigerating liquid tank 3 is used to store the excess concentrated liquid in the production process.

[0031] In this embodiment, a stirring mechanism 7 is provided inside the refrigerated liquid tank 3. The stirring mechanism 7 can prevent the liquid in the tank from solidifying through stirring. The stirring mechanism 7 includes a motor (not shown in the figure), a motor mounting bracket 71, a stirring shaft 72 connected to the motor, and stirring blades 73 mounted on the stirring shaft 72. The stirring blades 73 are mounted in a spiral structure around the stirring shaft 72, having a better stirring effect.

[0032] In this embodiment, an upper liquid level gauge 31 is provided inside the top end of the refrigerated liquid tank 3. A lower liquid level gauge 32 is provided inside the bottom end of the refrigerated liquid tank 3. The upper liquid level gauge 31 and the lower liquid level gauge 32 can monitor the liquid level in the refrigerated liquid tank 3 in real time.

[0033] In this embodiment, an electronic flowmeter 8 is provided on the connecting pipe between the refrigerated liquid tank 3 and the refined liquid tank 1. The refrigerated liquid tank 3 is connected with a water supply pipe 9, and a solenoid valve 91 is provided on the water supply pipe 9. When the lower liquid level gauge 32 in the refrigerated liquid tank 3 senses that the concentrated liquid is emptied, the solenoid valve 91 on the water supply pipe 9 is opened to enter the cleaning mode.

[0034] A method for refrigerated storage of tobacco material concentrated liquid, using the above-mentioned device for refrigerated storage of tobacco material concentrated liquid, and includes the following steps:

[0035] S1. When the production is coming to an end, switch the three-way valve 5 to transfer the excess concentrated liquid in the concentrated liquid tank 2 into the refrigerated liquid tank 3;

[0036] S2. When the upper liquid level gauge 31 in the refrigerated liquid tank 3 senses that the refrigerated liquid tank 3 is full of concentrated liquid, stop the pump;

[0037] S3. When starting production next time, the concentrated liquid in the refrigerated liquid tank 3 is admixed into the refined liquid tank 1 according to a certain ratio as required by the process, and the total amount of the concentrated liquid transferred from the refrigerated liquid tank 3 to the refined liquid tank 1 is controlled by the electronic flowmeter 8;

[0038] S4. When the lower liquid level gauge 32 in the refrigerated liquid tank 3 senses that the concentrated liquid is emptied, open the solenoid valve 91 on the water supply pipe 9 to clean the refrigerated liquid tank 3.

[0039] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for refrigerated storage of tobacco concentrate, characterized in that, It includes a refined liquid tank (1), a concentrated liquid tank (2) and a refrigerated liquid tank (3). A concentration device (4) is provided between the refined liquid tank (1) and the concentrated liquid tank (2). The concentrated liquid tank (2) is connected to the refrigerated liquid tank (3) through a connecting pipe with a three-way valve (5). The refrigerated liquid tank (3) is connected to the refined liquid tank (1) through a connecting pipe. Liquid pumps (6) are provided on the connecting pipe between the refined liquid tank (1) and the concentration device (4), on the connecting pipe between the concentrated liquid tank (2) and the concentration device (4), on the connecting pipe between the concentrated liquid tank (2) and the refrigerated liquid tank (3), and on the connecting pipe between the refrigerated liquid tank (3) and the refined liquid tank (1).

2. The device for refrigerated storage of tobacco concentrate according to claim 1, characterized in that, A stirring mechanism (7) is provided inside the refrigerated liquid tank (3).

3. The device for refrigerated storage of tobacco concentrate according to claim 2, wherein, The stirring mechanism (7) includes a motor, a motor mounting bracket (71), a stirring shaft (72) connected to the motor, and stirring blades (73) mounted on the stirring shaft (72). The stirring blades (73) are mounted in a spiral structure around the stirring shaft (72).

4. The device for refrigerated storage of tobacco concentrate according to claim 1, characterized in that, An upper liquid level gauge (31) is provided inside the top end of the refrigerated liquid tank (3).

5. The device for refrigerated storage of tobacco concentrate according to claim 1, characterized in that, A lower liquid level gauge (32) is provided inside the bottom end of the refrigerated liquid tank (3).

6. The device for cold storage of tobacco concentrate according to any one of claims 1-5, characterized in that An electronic flowmeter (8) is provided on the connecting pipe between the refrigerated liquid tank (3) and the refined liquid tank (1).

7. The device for refrigerated storage of tobacco concentrate according to any one of claims 1-5, characterized in that, The refrigerated liquid tank (3) is connected to a water supply pipe (9), and a solenoid valve (91) is provided on the water supply pipe (9).

8. A method for refrigerated storage of tobacco concentrate, characterized in that, The device for refrigerated storage of tobacco concentrate liquid described in any one of the above claims 1-7 is adopted, and the following steps are included: S1. When the production is coming to an end, switch the three-way valve (5) to transfer the excess concentrated liquid in the concentrated liquid tank (2) into the refrigerated liquid tank (3). S2. Stop the pump after the refrigerated liquid tank (3) is filled with concentrated liquid. S3. When starting production next time, the concentrated liquid in the refrigerated liquid tank (3) is blended into the refined liquid tank (1) according to a certain ratio as required by the process. S4. When the concentrated liquid in the refrigerated liquid tank (3) is emptied, clean the refrigerated liquid tank (3).

9. The method for cold storage of tobacco concentrate according to claim 8, characterized in that, In step S3, the total amount of concentrated liquid transferred from the refrigerated liquid tank (3) to the refined liquid tank (1) is controlled by the electronic flowmeter (8).

10. The method for refrigerated storage of tobacco concentrate according to claim 8, characterized in that, In steps S2 and S4, the liquid level condition of the concentrated liquid in the refrigerated liquid tank (3) is judged by the upper liquid level gauge (31) and the lower liquid level gauge (32) respectively.

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