Device for accelerating the regulation of gas flow in the stack and system for curing the stack

Abstract

The application relates to a regulating device for accelerating gas flow in a stack and a smoke stack maintenance system, which is applied to a sealed smoke stack. Through cooperation of an oxygen regulating opening locking connecting assembly, a connecting hose, a three-way valve, an on-off valve and a blower, one aspect is that air in a sealed area can be pumped out to a certain extent; another aspect is that when the oxygen remover in the sealed area acts, the residual air in the sealed area can be pumped out and pumped in to form a self-circulation effect, so that the residual air in the sealed area flows and fully acts on the oxygen remover, thereby being beneficial to reducing the oxygen content in the residual air; and a further aspect is that the residual air in the sealed area flows and the oxygen content is reduced, thereby overcoming the problem that uneven action of the oxygen remover caused by non-flowing air in the sealed smoke stack leads to difficulty in reducing the oxygen content in some areas, so that the oxygen reduction efficiency of air in the stack is greatly improved, and the smoke stack maintenance effect is effectively improved.

Description

Technical Field

[0001] This application relates to the field of tobacco leaf maintenance, and in particular to regulating devices and tobacco stack maintenance systems that accelerate gas flow within stacks. Background Technology

[0002] During the large-scale storage of new tobacco leaves, the tobacco leaves are treated with an oxygen-isolation method for pest control during the curing stage. Specifically, by creating a low-oxygen or anaerobic environment, pests die due to lack of oxygen. Therefore, curing personnel need to seal and stack the new tobacco leaves.

[0003] The process of sealing the stacks includes: placing a base film on the ground, stacking the tobacco boxes in a certain order, and placing the entire stack on the base film. Traditional tobacco stack sealing methods include... Figure 1 and Figure 2 As shown, multiple tobacco boxes are stacked according to certain rules to form a tobacco pile, which is sealed and wrapped with a thin film, placing it within a sealed area. For example, the resulting tobacco pile is 7 meters long × 6 meters wide × 3 meters high. After stacking, a series of operations, including adding an oxygen absorber, are performed. Then, the already sealed side and top films are used as a single unit to cover the tobacco pile. Finally, the side and bottom films are sealed to complete the sealing of the tobacco pile. After sealing, an air pump is used to extract as much internal air as possible. Ensuring no leaks, the remaining oxygen in the air reacts with the oxygen absorber, reducing the oxygen level inside the sealed film to a acceptable level.

[0004] However, due to factors such as temperature, humidity, and the tobacco boxes themselves, the remaining air inside the sealed stack is essentially stagnant and cannot circulate effectively. This static air environment results in insufficient contact between the oxygen absorber and the oxygen in the stack's air, preventing the oxygen from being quickly consumed and significantly reducing deoxygenation efficiency. In some areas, the oxygen concentration remains high, failing to effectively inhibit the growth and reproduction of tobacco insects, thus affecting the storage quality of the tobacco leaves. Utility Model Content

[0005] Therefore, it is necessary to provide a regulating device and a smoke stack maintenance system that accelerates the gas flow within the stack.

[0006] One embodiment of this application is a regulating device for accelerating gas flow within a stack, applied to the sealed area formed by a film-sealed tobacco stack. The regulating device for accelerating gas flow within the stack includes an oxygen regulating port locking connection assembly, a connecting hose, a three-way valve, a switching valve, and a blower.

[0007] The connecting hose includes a first connecting hose and a second connecting hose. The first connecting hose is connected to the blower inlet of the blower, and the second connecting hose is connected to the blower outlet of the blower.

[0008] The oxygen regulating port locking connection assembly includes an oxygen regulating port outlet locking connection assembly and an oxygen regulating port inlet locking connection assembly.

[0009] One end of the oxygen regulating port outlet locking connection assembly is connected to the first connecting hose, and the other end of the oxygen regulating port outlet locking connection assembly passes through the membrane and is located in the sealed area;

[0010] One end of the oxygen inlet locking connection assembly is connected to the second connecting hose, and the other end of the oxygen inlet locking connection assembly passes through the membrane and is located in the sealed area;

[0011] The oxygen regulating port outlet locking connection assembly is equipped with the switch valve, and the oxygen regulating port inlet locking connection assembly is equipped with the three-way valve.

[0012] The aforementioned regulating device for accelerating gas flow within the stack, applied to sealed chimney stacks, works in conjunction with the oxygen regulating port locking connection assembly, connecting hose, three-way valve, switching valve, and blower. Firstly, it can extract air from the sealed area until a certain amount of air is expelled. Secondly, when the deoxygenating agent acts within the sealed area, it can pump out and pump in the remaining air, creating a self-circulating effect. This allows the remaining air within the sealed area to flow and fully interact with the deoxygenating agent, thus reducing the oxygen content in the remaining air. Furthermore, the reduced oxygen content due to the flow of remaining air within the sealed area overcomes the problem of uneven deoxygenating agent action caused by stagnant air inside the sealed chimney stack, resulting in difficulty in reducing oxygen content in some areas. Therefore, it greatly improves the oxygen reduction efficiency within the stack, thereby effectively enhancing the chimney stack maintenance effect.

[0013] In some embodiments, the oxygen regulating port locking connection assembly includes a locking nut, a locking head, and a connecting tube;

[0014] The locking head is sleeved on the connecting pipe;

[0015] The locking nut and the locking head are respectively disposed on both sides of the film;

[0016] The locking nut is configured to connect the locking head to seal the membrane outside the connecting tube when the connecting tube passes through the membrane and is in the sealing area.

[0017] In some embodiments, the oxygen regulating port locking connection assembly is further provided with a first sealing ring, and the locking nut and the locking head are sealed together by the first sealing ring.

[0018] In some embodiments, the oxygen regulating port locking connection assembly is further provided with clamping claws and anti-detachment slots;

[0019] The clamping claw and the anti-detachment groove are respectively sleeved on the connecting pipe, and the clamping claw is located between the locking head and the anti-detachment groove;

[0020] The clamping claw is connected to the locking head and screwed into the anti-disengagement slot.

[0021] In some embodiments, the clamping claw is screwed to the locking head.

[0022] In some embodiments, the oxygen regulating port locking connection assembly is further provided with a plug, which is sleeved on the connecting pipe and located between the clamping claw and the anti-detachment groove, so that the plug is squeezed when the clamping claw is screwed into the anti-detachment groove.

[0023] In some embodiments, the oxygen regulating port locking connection assembly is further provided with a second sealing ring, which is sleeved on the connecting pipe, and the plug is sleeved on the second sealing ring.

[0024] In some embodiments, the regulating device for accelerating gas flow within the stack further includes an inlet pipe and an outlet pipe;

[0025] The first connecting hose is connected to the blower inlet of the blower through the air inlet pipe;

[0026] The second connecting hose is connected to the blower outlet of the blower through the air outlet pipe.

[0027] In some embodiments, the regulating device for accelerating gas flow within the stack further includes a first clamp and a second clamp;

[0028] The first clamp is located outside the position where the oxygen regulating port outlet locking connection assembly connects to the first connecting hose;

[0029] The second clamp is located outside the position where the oxygen inlet locking connection assembly connects to the second connecting hose.

[0030] In some embodiments, a smoke stack maintenance system includes a smoke stack, a film, and a regulating device for accelerating gas flow within the stack as described in any embodiment;

[0031] The film seals and covers the tobacco stack, and the oxygen regulating port outlet locking connection pipe and the oxygen regulating port inlet locking connection pipe of the regulating device for accelerating gas flow in the stack each have portions located on both sides of the film. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology 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.

[0033] Figure 1 This is a schematic diagram of the shape of a tobacco stack that requires maintenance.

[0034] Figure 2 for Figure 1 The diagram shows a smokestack covered with a thin film.

[0035] Figure 3 This is a schematic diagram of an embodiment of the regulating device for accelerating gas flow within a stack as described in this application.

[0036] Figure 4 for Figure 3 The illustrated embodiment is shown in the following diagram.

[0037] Figure 5 for Figure 1 An exploded view of part of the structure of the oxygen regulating port locking connection assembly in the embodiment shown.

[0038] Figure 6 This is a schematic diagram of the structure of the oxygen regulating port locking connection assembly of another embodiment of the regulating device for accelerating gas flow within the stack as described in this application.

[0039] Figure 7 for Figure 6 The illustrated embodiment is shown in the following diagram.

[0040] Figure 8 for Figure 7 A schematic diagram of the thin film shape in the embodiment shown.

[0041] Figure 9 for Figure 6 The illustrated embodiment is a schematic diagram of the connection of the second connecting hose to the oxygen regulating port inlet locking connection assembly.

[0042] Reference numerals: 1. Smoke stack; 2. Film; 3. Oxygen regulating port outlet locking connection assembly; 4. First clamp; 5. First connecting hose; 6. Blower; 61. Blower inlet; 62. Blower outlet; 7. Oxygen regulating port inlet locking connection assembly; 8. Plug; 9. Second connecting hose; 10. Three-way valve; 11. Locking nut; 12. First sealing ring; 13. Locking head; 14. Clamping claw; 15. Second sealing ring; 16. Anti-detachment groove; 17. Switch valve; 18. Connecting pipe; 19. Smoke box; 20. Oxygen regulating port locking connection assembly; 21. Inlet pipe; 22. Outlet pipe; 23. Second clamp; 24. Sealing area; 25. Hole; 26. Edge; 30. Adjustment device to accelerate gas flow within the stack. Detailed Implementation

[0043] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0044] 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 the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application's specification are for illustrative purposes only and do not represent the only possible implementation.

[0045] 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 at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0046] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0047] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and or" as used in this application includes any and all combinations of one or more of the associated listed items.

[0048] This application discloses a regulating device and a tobacco stack maintenance system for accelerating gas flow within a stack, comprising some or all of the technical features of the following embodiments; that is, the regulating device and tobacco stack maintenance system for accelerating gas flow within a stack include some or all of the following structures. In one embodiment of this application, a regulating device for accelerating gas flow within a stack is applied to a sealed area formed by sealing a tobacco stack with a film. The regulating device for accelerating gas flow within a stack includes an oxygen regulating port locking connection assembly, a connecting hose, a three-way valve, a switching valve, and a blower; the connecting hose includes a first connecting hose and a second connecting hose, the first connecting hose being connected to the blower inlet of the blower, and the second connecting hose being connected to the blower outlet of the blower; the oxygen regulating port locking connection assembly includes an oxygen regulating port outlet locking connection assembly and... An oxygen regulating port inlet locking connection assembly; one end of the oxygen regulating port outlet locking connection assembly is connected to the first connecting hose, and the other end of the oxygen regulating port outlet locking connection assembly passes through the membrane and is located in the sealed area; one end of the oxygen regulating port inlet locking connection assembly is connected to the second connecting hose, and the other end of the oxygen regulating port inlet locking connection assembly passes through the membrane and is located in the sealed area; the oxygen regulating port outlet locking connection assembly is provided with the switching valve, and the oxygen regulating port inlet locking connection assembly is provided with the three-way valve. The aforementioned regulating device for accelerating gas flow within the stack, applied to sealed chimney stacks, works in conjunction with the oxygen regulating port locking connection assembly, connecting hose, three-way valve, switching valve, and blower. Firstly, it can extract air from the sealed area until a certain amount of air is expelled. Secondly, when the deoxygenating agent acts within the sealed area, it can pump out and pump in the remaining air, creating a self-circulating effect. This allows the remaining air within the sealed area to flow and fully interact with the deoxygenating agent, thus reducing the oxygen content in the remaining air. Furthermore, the reduced oxygen content due to the flow of remaining air within the sealed area overcomes the problem of uneven deoxygenating agent action caused by stagnant air inside the sealed chimney stack, resulting in areas where oxygen content is difficult to reduce. Therefore, it greatly improves the oxygen reduction efficiency within the stack, thereby effectively enhancing the chimney stack maintenance effect. The following section will combine... Figures 1 to 9 The regulating device for accelerating gas flow within the stack and the stack maintenance system are described in detail.

[0049] In some embodiments, a regulating device 30 for accelerating gas flow within the stack is provided. Figure 3 As shown, combined with Figure 4The regulating device 30 for accelerating gas flow within the stack is applied to the sealed area 24 formed by the film 2 sealing and wrapping the tobacco stack 1. The regulating device 30 for accelerating gas flow within the stack includes an oxygen regulating port locking connection assembly 20, a connecting hose, a three-way valve 10, a switching valve 17, and a blower 6. The connecting hose includes a first connecting hose 5 and a second connecting hose 9. The first connecting hose 5 is connected to the blower inlet 61 of the blower 6, and the second connecting hose 9 is connected to the blower outlet 62 of the blower 6. The oxygen regulating port locking connection assembly 20 includes an oxygen regulating port outlet locking connection assembly 3 and a regulating... The oxygen inlet locking connection assembly 7; one end of the oxygen regulating port outlet locking connection assembly 3 is connected to the first connecting hose 5, and the other end of the oxygen regulating port outlet locking connection assembly 3 passes through the membrane 2 and is located in the sealing area 24; one end of the oxygen regulating port inlet locking connection assembly 7 is connected to the second connecting hose 9, and the other end of the oxygen regulating port inlet locking connection assembly 7 passes through the membrane 2 and is located in the sealing area 24; the oxygen regulating port outlet locking connection assembly 3 is provided with the switching valve 17, and the oxygen regulating port inlet locking connection assembly 7 is provided with the three-way valve 10. This structural design, applied to a sealed chimney stack 1, works in conjunction with the oxygen regulating port locking connection assembly 20, connecting hose, three-way valve 10, switching valve 17, and blower 6. Firstly, it can extract air from the sealed area 24 until a certain amount of air is expelled. Secondly, when the deoxygenating agent in the sealed area 24 acts, it can pump out and pump in the remaining air, creating a self-circulating effect. This allows the remaining air in the sealed area 24 to flow and fully interact with the deoxygenating agent, thus reducing the oxygen content in the remaining air. Furthermore, the flow of remaining air in the sealed area 24 reduces the oxygen content, overcoming the problem of uneven deoxygenating agent action due to stagnant air inside the sealed chimney stack 1, which makes it difficult to reduce oxygen content in some areas. Therefore, it greatly improves the oxygen reduction efficiency of the air inside the stack, thereby effectively improving the chimney stack maintenance effect.

[0050] The regulating device 30, which accelerates gas flow within the stack, is specifically designed for tobacco insect care during tobacco leaf stacking and storage, and enhances the effectiveness of sealed, oxygen-reducing curing methods. In various embodiments, such as... Figure 3 and Figure 4As shown, the connecting hose includes a first connecting hose 5 and a second connecting hose 9. The first connecting hose 5 is connected to the blower inlet 61 of the blower 6, and the second connecting hose 9 is connected to the blower outlet 62 of the blower 6. In some embodiments, the regulating device 30 for accelerating gas flow within the stack further includes an inlet pipe 21 and an outlet pipe 22. The first connecting hose 5 is connected to the blower inlet 61 of the blower 6 through the inlet pipe 21, and the second connecting hose 9 is connected to the blower outlet 62 of the blower 6 through the outlet pipe 22. This structural design, on the one hand, constructs an external sealing and internal circulation path between the blower 6 and the sealed area 24 through two connecting hoses, and works in conjunction with the blower 6 to achieve directional circulation of air within the sealed area 24, enhancing the contact effect between the remaining air and the deoxygenating agent within the sealed area 24; on the other hand, the design of the air inlet pipe 21 and the air outlet pipe 22 helps to optimize the stability of gas transmission, improve the reliability of the connection between the connecting hoses and the blower air inlet 61 and the blower air outlet 62, ensure smooth airflow and no leakage during the circulation process, and further enhance the oxygen reduction efficiency and the maintenance effect of the tobacco stack.

[0051] In each embodiment, such as Figure 3 As shown, the oxygen regulating port locking connection assembly 20 includes an oxygen regulating port outlet locking connection assembly 3 and an oxygen regulating port inlet locking connection assembly 7. In various embodiments, the oxygen regulating port outlet locking connection assembly 3 is provided with the switching valve 17, and the oxygen regulating port inlet locking connection assembly 7 is provided with the three-way valve 10. The setting of the switching valve 17 and the three-way valve 10 is beneficial to pre-install the oxygen regulating port outlet locking connection assembly 3 and the oxygen regulating port inlet locking connection assembly 7 onto the membrane 2 respectively. As an example, combined with Figure 7 and Figure 8The membrane 2 has a hole 25 pre-drilled as an oxygen regulating port. The oxygen regulating port outlet locking connection component 3 passes through one hole 25 and is pre-installed on the membrane 2, pressing the membrane 2 at the edge 26 of the hole 25 to achieve a seal and prevent air leakage. Similarly, the oxygen regulating port inlet locking connection component 7 passes through another hole 25 and is pre-installed on the membrane 2, similarly pressing the membrane 2 at the edge 26 of the hole 25 to achieve a seal and prevent air leakage. In use, first close the switch valve 17 and the three-way valve 10, then install the oxygen regulating port outlet locking connection assembly 3 and the oxygen regulating port inlet locking connection assembly 7; after the membrane 2 has sealed and wrapped the smoke stack 1 to form a sealed area 24, open the three-way valve 10 to the exhaust mode, and the blower 6 can exhaust the sealed area 24; after exhausting to a certain extent, the blower 6 stops working, and this certain extent can be set or adjusted according to the actual situation, waiting for the deoxygenating agent placed inside the sealed area 24 to take effect; then open the three-way valve 10 to the circulation mode, and open the switch valve 17, so that the blower 6 can circulate and exchange the air in the sealed area 24. During this process, no external oxygen-enriched air will be introduced, so that the deoxygenating agent can take full effect, and reduce the oxygen content of the gas inside the sealed area 24 to the target content to meet the designed maintenance requirements.

[0052] In each embodiment, such as Figure 3 and Figure 4 As shown, one end of the oxygen regulating port outlet locking connection assembly 3 is connected to the first connecting hose 5, and the other end of the oxygen regulating port outlet locking connection assembly 3 passes through the membrane 2 and is located in the sealing area 24; similarly, one end of the oxygen regulating port inlet locking connection assembly 7 is connected to the second connecting hose 9, and the other end of the oxygen regulating port inlet locking connection assembly 7 passes through the membrane 2 and is located in the sealing area 24; in some embodiments, the regulating device 30 for accelerating gas flow within the stack further includes a first clamp 4 and a second clamp 23; the first clamp 4 is clamped outside the position where the oxygen regulating port outlet locking connection assembly 3 connects to the first connecting hose 5; the second clamp 23 is clamped outside the position where the oxygen regulating port inlet locking connection assembly 7 connects to the second connecting hose 9. This structural design, on the one hand, connects the oxygen regulating port outlet locking connection component 3 and the oxygen regulating port inlet locking connection component 7 to the connecting hose and the sealing area 24 respectively at both ends, thus constructing a gas exchange channel inside and outside the sealing area 24. This, together with the blower 6, enables air extraction and circulation, ensuring the stability of the gas flow path during deoxygenation. On the other hand, the connection position is tightened by two clamps, enhancing the sealing performance between the oxygen regulating port locking connection component 20 and the connecting hose, preventing gas leakage, ensuring the airtightness requirements of the sealing area 24, and thus improving the oxygen reduction efficiency and the reliability of tobacco stack maintenance.

[0053] In some of these embodiments, such as Figure 5 and Figure 6 As shown, the oxygen regulating port locking connection assembly 20 includes a locking nut 11, a locking head 13, and a connecting tube 18; the locking head 13 is sleeved on the connecting tube 18; the locking nut 11 and the locking head 13 are respectively disposed on both sides of the membrane 2; the locking nut 11 is configured to connect the locking head 13 to the connecting tube 18 when the connecting tube 18 passes through the membrane 2 and is in the sealing area 24, so as to cooperate with the locking head 13 to seal the membrane 2 outside the connecting tube 18. In some embodiments, the oxygen regulating port locking connection assembly 20 also includes a first sealing ring 12, and the locking nut 11 and the locking head 13 are sealed together by the first sealing ring 12. This structural design, on the one hand, through the cooperation of the locking nut 11 and the locking head 13, combined with... Figure 8 The first sealing ring 12 can seal the thin film 2 at the edge 26 of the hole 25, that is, seal the position 2 where the connecting pipe 18 passes through the thin film, ensuring the airtightness of the sealing area and preventing the infiltration of outside air or leakage of internal gas. On the other hand, the design of the first sealing ring 12 enhances the sealing performance between the locking nut 11 and the locking head 13, further improving the reliability of the connection position, ensuring stable pressure during gas circulation, and helping to optimize deoxygenation efficiency and the maintenance effect of the tobacco stack.

[0054] In some of these embodiments, such as Figure 5 and Figure 6 As shown, the oxygen regulating port locking connection assembly 20 is further provided with a clamping claw 14 and an anti-detachment groove 16; the clamping claw 14 and the anti-detachment groove 16 are respectively sleeved on the connecting pipe 18, and the clamping claw 14 is located between the locking head 13 and the anti-detachment groove 16; the clamping claw 14 is connected to the locking head 13 and screwed to the anti-detachment groove 16. In some embodiments, the clamping claw 14 is screwed to the locking head 13. This structural design, on the one hand, ensures that the connection between the oxygen regulating port locking connection assembly 20 and the membrane 2 and the connecting hose is firm, and avoids gas leakage due to loose connection during gas circulation, which would affect the pumping or gas circulation effect. On the other hand, the screw-in structure can tightly compress the film 2 by adjusting the relative position of the clamping claw 14 and the anti-detachment groove 16, thereby enhancing the airtightness of the sealing area 24 and preventing outside air from seeping in and interfering with the gas environment inside the stack. This is beneficial for ensuring that the deoxygenating agent reacts fully with the air. Furthermore, the screw-in design provides an adjustable mechanical connection method, which facilitates operators to quickly install or remove the oxygen regulating port locking connection component 20, improving the convenience of equipment maintenance or handling of the smokestack 1, while ensuring structural stability during repeated use.

[0055] In some of these embodiments, such as Figure 5As shown, the oxygen regulating port locking connection assembly 20 also includes a plug 8, which is sleeved on the connecting pipe 18 and located between the clamping claw 14 and the anti-detachment groove 16, so that the plug is squeezed when the clamping claw 14 and the anti-detachment groove 16 are screwed together. In some embodiments, the oxygen regulating port locking connection assembly 20 also includes a second sealing ring 15, which is sleeved on the connecting pipe 18, and the plug 8 is sleeved on the second sealing ring 15. With this structural design, on the one hand, the plug 8 is located between the clamping claw 14 and the anti-detachment groove 16, and when screwed together, it is squeezed and deformed to fill the connection gap. Together with the second sealing ring 15 sleeved on the connecting pipe 18, a double sealing structure is formed, further preventing outside air from seeping into the sealing area 24, ensuring a stable gas environment inside the stack, and improving deoxygenation efficiency. On the other hand, when the plug 8 is compressed, it can buffer the mechanical stress generated by the screw connection between the clamping claw 14 and the anti-disengagement groove 16, avoiding damage to the membrane 2 or the connecting tube 18 caused by hard compression, thus extending the service life of the equipment and maintaining structural reliability. Furthermore, the combination of the plug 8 and the second sealing ring 15 can adapt to membranes 2 of different thicknesses or materials, achieving adaptive sealing through compression deformation, reducing the requirements for membrane precision during installation, and expanding the applicability of the device.

[0056] In some of these embodiments, the following is adopted: Figure 6 The oxygen regulating port locking connection assembly 20 shown serves as the oxygen regulating port inlet end locking connection assembly 7, as... Figure 9 As shown, the three-way valve 10 is provided on the oxygen inlet locking connection assembly 7. The second clamp 23 is clamped outside the position where the oxygen inlet locking connection assembly 7 connects to the second connecting hose 9. That is, the oxygen inlet locking connection assembly 7 connects to the second connecting hose 9 and is clamped by the second clamp 23 to prevent air leakage and affect the seal. This structural design allows the three-way valve 10 to flexibly switch the gas flow direction at the inlet end, meeting the different working conditions of evacuation, filling, or circulation within the sealed area 24, and improving the versatility and ease of operation of the regulating device 30 that accelerates gas flow within the stack. On the other hand, the second clamp 23 clamps the connection between the connecting pipe 18 and the second connecting hose 9, eliminating interface gaps through mechanical fastening, preventing gas leakage that could cause pressure fluctuations within the sealed area 24 or the infiltration of outside air, thus ensuring the gas circulation effect and deoxygenation efficiency within the stack. On the other hand, the clamp fastening method provides a stable mechanical connection, preventing the connecting hose from loosening due to vibrations caused by gas flow, and enhancing the structural stability of the regulating device 30 that accelerates gas flow within the stack during long-term use, thereby reducing the maintenance frequency.

[0057] The following will continue to combine Figures 3 to 9The example illustrates the regulating device 30 for accelerating gas flow within the stack. In some embodiments, the regulating device 30 for accelerating gas flow within the stack has an oxygen regulating port locking connection assembly 20 installed on each side of the film 2. The oxygen regulating port locking connection assembly 20 is provided with a connecting pipe 18. The connecting pipe 18 is exemplified by a PVC pipe, but is not limited to it. PVC stands for Polyvinyl chloride, and PVC pipe is a polyvinyl chloride pipe.

[0058] The PVC pipes of the two oxygen regulating port locking connection components 20 are respectively connected to the three-way valve 10 and the switch valve 17. The three-way valve 10 is connected to the second connecting hose 9, and the switch valve 17 is connected to the first connecting hose 5. The first connecting hose 5 is connected to the blower inlet 61 of the blower 6, and the second connecting hose 9 is connected to the blower outlet 62 of the blower 6, forming a circulation channel with the sealing area 24. The blower 6 drives the air inside the film 2 to circulate, promoting air circulation inside the film 2, increasing the efficiency of contact between the internal air and the oxygen absorber, and allowing the oxygen in the residual air inside the film 2 to quickly contact and react with the oxygen absorber, thereby rapidly reducing the oxygen content inside the film 2. This effectively inhibits the growth and reproduction of tobacco insects, which is beneficial to improving the maintenance effect and thus ensuring the quality of the tobacco leaves.

[0059] In this way, the oxygen regulating port locking connection assembly 20 is connected to the membrane 2; the connecting pipe 18 of the oxygen regulating port locking connection assembly 20 is connected to other structural components of the oxygen regulating port locking connection assembly 20; the connecting pipe 18 is connected to the connecting hose; the connecting hose is connected to the air inlet pipe 21 and the air outlet pipe 22; the blower 6 is connected to the air inlet pipe 21 and the air outlet pipe 22; the blower 6 is installed; and a three-way valve 10 is installed at the inlet. When the blower 6 is started, the air in the air inlet pipe 21 connected to the blower air inlet 61, the first connecting hose 5, the inside of the blower 6, the blower air outlet 62, the air outlet pipe 22, and the second connecting hose 9 is emptied through the three-way valve 10. After emptying, the switch valve 17 of the three-way valve 10 is opened into the PVC pipe, so that the air in the sealed area 24, i.e., the stack, circulates. The flowing air allows the oxygen in the air inside the stack to fully contact with the deoxygenating agent, which not only reduces the oxygen in the air inside the stack but also improves the oxygen reduction efficiency.

[0060] In some embodiments, an oxygen regulating port locking connection assembly 20 is installed on both sides of the film 2, and a PVC pipe is used as a connecting pipe 18 to connect the blower 6 to the inside of the film 2. The purpose is to accelerate the airflow inside the sealed stack. Since the oxygen remover used inside the stack reduces the oxygen content in the air inside the stack, outside air should be prevented from entering the sealed stack as much as possible during operation. Therefore, the oxygen regulating port locking connection assembly 20 is installed on the film before sealing to prevent outside air from entering the interior when the regulating device 30 that accelerates the gas flow inside the stack is operated, which would affect the oxygen removal and insecticidal effect.

[0061] To reduce the entry of outside air into the interior, as an example, when using the regulating device 30 that accelerates the gas flow inside the stack, the connection between the oxygen regulating port locking connection assembly 20 and the membrane 2 is fastened with threads and a first sealing ring 12 is used to ensure the sealing of the connection, effectively prevent gas leakage, and improve the deoxygenation efficiency.

[0062] As an example, when the PVC pipe of the regulating device 30 for accelerating gas flow within the stack is connected to the oxygen regulating port locking connection assembly 20, in order to reduce the entry of outside air, a second sealing ring 15 is added to the PVC pipe, for example, a wider rubber sealing ring. A clamping claw 14 is installed on the outside of the oxygen regulating port locking connection assembly 20, and the clamping claw 14 is connected to the locking head 13 via a locking thread. The clamping claw 14 can also be connected to the anti-loosening groove 16 or other sealing joints via threads, or achieve a deformation-fitting seal via a plug 8. When the elastic clips on the inner wall of the clamping claw 14 are tightened, they tightly clamp the PVC pipe, firmly fixing the PVC pipe and ensuring the stability and sealing of the connection.

[0063] To improve the airtightness of the connection, as an example, the connecting pipe 18 is connected to the connecting hose: a connecting pipe 18 with a suitable diameter is selected and connected to the connecting hose, and a clamp is used to fix it at the interface. The clamp includes a first clamp 4 and a second clamp 23. The inner surface of the clamp is tightly against the outer wall of the pipe, and the clamp is tightened by bolts to make the connecting hose and the connecting pipe 18 fit tightly, preventing gas leakage and effectively improving the sealing at the interface. In some embodiments, a three-way valve 10 and a switching valve 17 are used to connect the connecting pipes 18 at both ends, and the connecting hose is connected to the inlet and outlet of the blower 6. A clamp can also be used to fix the connection to ensure the firmness and sealing of the connection and improve the gas circulation efficiency. A three-way valve 10 is installed at the inlet of the connecting pipe 18. During initial use, the air inside the pipe and blower 6 is purged through the three-way valve 10. After purging, both the three-way valve 10 and the switch valve 17 are opened into the connecting pipe 18, allowing air to circulate within the regulating device 30 and the sealed area 24, without flowing out or in. This ensures that the oxygen in the air inside the stack comes into full contact with the deoxygenating agent, reducing the oxygen content. Simultaneously, the regulating device 30 ensures the isolation of air inside and outside the equipment, preventing gas leakage or air inflow. Combined with promoting gas flow, this significantly improves the deoxygenation efficiency of the deoxygenating agent, enhancing the control of tobacco insects. It is particularly suitable for optimizing the controlled atmosphere storage environment.

[0064] The following examples further illustrate the use of the regulating device 30 for accelerating gas flow within the stack. In some embodiments, to achieve the use of the regulating device 30 for accelerating gas flow within the stack, after the stacking operation and the addition of deoxygenating agent, when sealing the film 2, an oxygen regulating port locking connection assembly 20 needs to be installed near the middle of the front and rear ends of the film 2 in a position convenient for personnel to operate. When installing the oxygen regulating port locking connection assembly 20, a hole 25 matching the position of the oxygen regulating port locking connection assembly 20 needs to be made in the film 2 as an oxygen regulating port. The oxygen regulating port locking connection assembly 20 adopts a sealing method combining clamping claws 14 and sealing rings. During sealing, a plug 8 is used to fit onto the second sealing ring 15 and is firmly clamped by an anti-detachment groove 16 to ensure the good sealing performance of the oxygen regulating port locking connection assembly 20.

[0065] After a period of time, the oxygen absorber in the sealed area 24, i.e., inside the stack, reacts with the air inside the stack, and the oxygen concentration inside the stack decreases accordingly. However, due to factors such as temperature, humidity, and the tobacco box itself, the remaining air inside the sealed stack is basically in a static state and therefore cannot flow effectively. This results in the oxygen concentration in some areas of the stack not decreasing to the standard value. Therefore, it is necessary to use the regulating device 30 to accelerate the flow of gas inside the stack to effectively reduce the oxygen concentration inside the stack.

[0066] After placing the regulating device 30 for accelerating gas flow within the stack on site, remove the anti-detachment groove 16 of the oxygen regulating port locking connection assembly 20 and take out the plug 8. Then, connect the connecting pipe 18 of the regulating device 30 to the air inlet of the blower 6, pass it through the anti-detachment groove 16, and fit it into the second sealing ring 15. Insert the connecting pipe 18 into the membrane 2, and then use the anti-detachment groove 16 to tighten the connecting pipe 18 to prevent air leakage. For the oxygen regulating port outlet locking connection assembly 3, since the other end of the connecting pipe 18 of the oxygen regulating port outlet locking connection assembly 3 is connected to the switch valve 17, the switch valve 17 should be kept closed before the blower 6 is started to prevent air from entering the stack. The other end of the switch valve 17 is connected to the first connecting hose 5. During installation, the inner diameter of the first connecting hose 5 is slightly smaller than the outer diameter of the connecting pipe 18. Expand the first connecting hose 5 before connecting it to the connecting pipe 18, and reinforce it with the first clamp 4. This greatly improves the sealing performance at the interface. Subsequently, the other end of the first connecting hose 5 is directly connected to or connected to the blower inlet 61 of the blower 6 with good sealing through the air inlet pipe 21; it can also be used with other clamps to improve the stability and sealing of the connection.

[0067] The blower outlet 62 of the blower 6, which has good sealing performance, can be directly connected to the outlet pipe 22 or the second connecting hose 9. Similarly, other clamps can be used to fix the blower outlet 62 to improve the stability and sealing of the connection. The other end of the second connecting hose 9 is connected to a three-way valve 10. The other port of the three-way valve 10 is connected to another connecting pipe 18. The connecting pipe 18 also passes through the anti-detachment groove 16, is fitted into the second sealing ring 15, and then inserted into the diaphragm 2. The anti-detachment groove 16 is used to tighten the connecting pipe 18 to prevent air leakage. When the blower 6 is first started, the air in the pipe and inside the blower 6 is emptied through the three-way valve 10, and the air is discharged from the remaining port of the three-way valve 10. After emptying, the three-way valve 10 and the switch valve 17 are opened into the connecting pipe 18, so that the air in the stack flows from one end to the other, realizing circulation. The flow of air allows the oxygen in the air in the stack to fully contact with the deoxidizer, reducing the oxygen content in the air in the stack.

[0068] In some embodiments, during sealing, a hole 25, corresponding to the oxygen regulating port locking connection assembly 20, is made at each of the front and rear ends of the film 2 near the middle. The first sealing ring 12, such as an O-ring, of the oxygen regulating port locking connection assembly 20 is fitted onto the locking head 13. The oxygen regulating port locking connection assembly 20 is then passed through the film hole 25 of the film 2, and the locking nut 11 is used from the inside of the film 2 to firmly press the film 2 and the first sealing ring 12 between the film and the locking head 13. After the plug 8 is fitted with the second sealing ring 15, it is placed into the high-toughness clamping claw 14 on the locking head 13 and firmly clamped with the anti-detachment groove 16 to ensure the good sealing performance of the oxygen regulating port locking connection assembly 20. After a period of time following the sealing of the stack, the oxygen in the stack may not be able to be reduced to the standard value. In this case, the regulating device 30, which accelerates the gas flow in the stack, is used in conjunction with the deoxygenating agent in the stack to accelerate the airflow in the stack and reduce the oxygen concentration in the stack.

[0069] In some embodiments, a tobacco stack maintenance system includes a tobacco stack 1, a film 2, and a regulating device 30 for accelerating gas flow within the stack as described in any embodiment. The film 2 seals and covers the tobacco stack 1, and the oxygen regulating port outlet locking connecting pipe 3 and the oxygen regulating port inlet locking connecting pipe 7 of the regulating device 30 for accelerating gas flow within the stack each have portions located on both sides of the film 2. In other embodiments, the tobacco stack maintenance system further includes an oxygen scavenger disposed in the sealed area 24 formed by the film 2 sealing and covering the tobacco stack 1, or includes a container for storing the oxygen scavenger. It is understood that, due to the use of the regulating device 30 for accelerating gas flow within the stack as described in any embodiment, the tobacco stack maintenance system also possesses the beneficial technical effects of the regulating device 30 for accelerating gas flow within the stack, which will not be elaborated upon here.

[0070] It should be noted that other embodiments of this application also include an adjustment device and a smoke stack maintenance system that can be implemented by combining the technical features of the above embodiments to accelerate the gas flow inside the stack.

[0071] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0072] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the patent protection scope of this application should be determined by the appended claims.

Claims

1. A regulating device (30) for accelerating gas flow within a stack, applied to a sealed area (24) formed by a film (2) sealing and wrapping a stack of tobacco (1), characterized in that, The regulating device (30) for accelerating gas flow within the stack includes an oxygen regulating port locking connection assembly (20), a connecting hose, a three-way valve (10), a switching valve (17), and a blower (6). The connecting hose includes a first connecting hose (5) and a second connecting hose (9). The first connecting hose (5) is connected to the blower inlet (61) of the blower (6), and the second connecting hose (9) is connected to the blower outlet (62) of the blower (6). The oxygen regulating port locking connection assembly (20) includes an oxygen regulating port outlet locking connection assembly (3) and an oxygen regulating port inlet locking connection assembly (7). One end of the oxygen regulating port outlet locking connection assembly (3) is connected to the first connecting hose (5), and the other end of the oxygen regulating port outlet locking connection assembly (3) passes through the film (2) and is located in the sealing area (24). One end of the oxygen inlet locking connection assembly (7) is connected to the second connecting hose (9), and the other end of the oxygen inlet locking connection assembly (7) passes through the film (2) and is located in the sealing area (24); The oxygen regulating port outlet locking connection assembly (3) is provided with the switch valve (17), and the oxygen regulating port inlet locking connection assembly (7) is provided with the three-way valve (10).

2. The regulating device (30) for accelerating gas flow within the stack according to claim 1, characterized in that, The oxygen regulating port locking connection assembly (20) is provided with a locking nut (11), a locking head (13) and a connecting pipe (18). The locking head (13) is sleeved on the connecting pipe (18); The locking nut (11) and the locking head (13) are respectively disposed on both sides of the film (2); The locking nut (11) is configured to connect the locking head (13) to seal the membrane (2) outside the connecting tube (18) while the connecting tube (18) passes through the membrane (2) and is in the sealing area (24).

3. The regulating device (30) for accelerating gas flow within the stack according to claim 2, characterized in that, The oxygen regulating port locking connection assembly (20) is also provided with a first sealing ring (12), and the locking nut (11) and the locking head (13) are sealed and connected through the first sealing ring (12).

4. The regulating device (30) for accelerating gas flow within the stack according to claim 3, characterized in that, The oxygen regulating port locking connection assembly (20) is also provided with clamping claws (14) and anti-detachment slots (16); The clamping claw (14) and the anti-detachment groove (16) are respectively sleeved on the connecting pipe (18), and the clamping claw (14) is located between the locking head (13) and the anti-detachment groove (16); The clamping claw (14) is connected to the locking head (13) and screwed into the anti-disengagement slot (16).

5. The regulating device (30) for accelerating gas flow within the stack according to claim 4, characterized in that, The clamping claw (14) is screwed to the locking head (13).

6. The regulating device (30) for accelerating gas flow within the stack according to claim 4, characterized in that, The oxygen regulating port locking connection assembly (20) is also provided with a plug (8), which is sleeved on the connecting pipe (18) and located between the clamping claw (14) and the anti-detachment groove (16) so that the plug is squeezed when the clamping claw (14) and the anti-detachment groove (16) are screwed together.

7. The regulating device (30) for accelerating gas flow within the stack according to claim 6, characterized in that, The oxygen regulating port locking connection assembly (20) is also provided with a second sealing ring (15), which is sleeved on the connecting pipe (18), and the plug (8) is sleeved on the second sealing ring (15).

8. The regulating device (30) for accelerating gas flow within the stack according to claim 1, characterized in that, The regulating device (30) for accelerating gas flow within the stack also includes an inlet pipe (21) and an outlet pipe (22). The first connecting hose (5) is connected to the blower inlet (61) of the blower (6) through the air inlet pipe (21); The second connecting hose (9) is connected to the blower outlet (62) of the blower (6) through the air outlet pipe (22).

9. The regulating device (30) for accelerating gas flow within a stack according to any one of claims 1 to 8, characterized in that, The regulating device (30) for accelerating gas flow within the stack also includes a first clamp (4) and a second clamp (23). The first clamp (4) is located outside the position where the oxygen regulating port outlet locking connection assembly (3) connects to the first connecting hose (5); The second clamp (23) is located outside the position where the oxygen inlet locking connection assembly (7) connects to the second connecting hose (9).

10. A tobacco stack maintenance system, characterized in that, Includes a smoke stack (1), a film (2), and a regulating device (30) for accelerating gas flow within the stack as described in any one of claims 1 to 9. The film (2) seals and covers the tobacco stack (1). The oxygen regulating port outlet locking connection pipe (3) and the oxygen regulating port inlet locking connection pipe (7) of the regulating device (30) for accelerating the gas flow in the stack have portions located on both sides of the film (2).

Images