Uniform ventilation system for points of tobacco leaf airing room
The uniform ventilation system addresses uneven drying in tobacco drying rooms by using small-hole air supply and return ducts, ensuring even air distribution for consistent drying results.
Patent Information
- Application Number
- CN202420332758.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-02-22
AI Technical Summary
Existing ventilation systems in tobacco drying rooms result in uneven air supply and return, leading to uneven drying of tobacco leaves.
A uniform ventilation system with small-hole air supply and return ducts, including a fan system, air supply and return air ducts, and a fixing assembly, ensuring even distribution of wind throughout the drying room.
Ensures uniform drying of tobacco leaves by evenly distributing air through small-hole outlets and inlets, achieving consistent air volumes at each point in the drying room.
Smart Images
Figure CN222194127U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ventilation, in particular to a uniform ventilation system at each point in a tobacco air-drying room. Background Art
[0002] Tobacco, an annual or limited perennial herb, Solanaceae. The plant is covered with glandular hairs, with a stem height of 0.7-2 meters. The petiole is not obvious or wing-shaped. The panicle inflorescence is terminal. The calyx is tubular or tubular bell-shaped, and the corolla is funnel-shaped with a pink end. Tobacco leaves need to be dried during processing.
[0003] At present, the ventilation and air conditioning of the drying room generally has two large air supply vents on the top and two large air return vents on the sides. The tobacco leaves drying in the air are ventilated through the air supply duct and the air return duct. This method leads to uneven air supply and return, resulting in uneven drying of the tobacco leaves in the drying room.
[0004] Therefore, in view of the above problems, a uniform ventilation system for each point in a tobacco air-drying room is proposed to solve the above problems. Utility Model Content
[0005] Aiming at the deficiencies of the prior art, the utility model develops a uniform ventilation system at each point of a tobacco leaf drying room. The utility model realizes small hole air supply and small hole air return, so that the wind is evenly distributed, and the tobacco leaves are evenly dried.
[0006] The technical solution to the technical problem solved by the utility model is as follows: the utility model provides a uniform ventilation system at each point of a tobacco air-drying room, including a fan system, which is arranged outside the air-drying room; an air supply duct, which is arranged in the air-drying room and is located at the bottom, and the air supply duct is fixedly connected to the fan system; and a return air duct, which is arranged in the air-drying room and is located at the top, and the return air duct is fixedly connected to the fan system. By adopting the fan system, the air supply duct and the return air duct, the tobacco leaves can be dried.
[0007] As an optimization, the air supply duct includes an air supply main pipe, both ends and the middle of the air supply main pipe are fixedly connected to air supply tees, the air supply tees on both sides are fixedly connected to one end of the air supply thin tube, the other ends of the symmetrical air supply thin tubes are fixedly connected to air supply elbows, and the three air supply tees and the two air supply elbows are fixedly connected to air supply branch pipes. By setting up a group of air supply branch pipes, it is convenient to realize air supply to the air drying room.
[0008] As an optimization, the return air duct includes a return air main pipe, both ends and the middle of the return air main pipe are fixedly connected to the return air tee, the return air tees on both sides are fixedly connected to one end of the return air thin tube, the other ends of the symmetrical return air thin tubes are fixedly connected to the return air elbow, and the three return air tees and the two return air elbows are fixedly connected to the return air branch pipes. By setting the return air branch pipe, the circulation of air is realized.
[0009] As an optimization, the fan system includes a fan, one side air outlet of the fan is fixedly connected to one end of the air outlet pipe, the air outlet pipe passes through the wall of the air-drying room and is fixedly connected to the air outlet tee, the air outlet tee is installed on the air supply main pipe, the upper side return air outlet of the fan is fixedly connected to the lower end of the return air pipe, the upper end of the return air pipe passes through the wall of the air-drying room and is fixedly connected to the return air pipe tee, the return air pipe tee is installed on the return air main pipe. By using the fan, wind power is generated and return air is absorbed, so that wind circulates in the air-drying room.
[0010] As an optimization, a fixing assembly is also included, the fixing assembly includes two groups of clamp mounting rods distributed up and down, each of the clamp mounting rods is respectively connected to the drying room, each of the clamp mounting rods is respectively connected to a group of clamps, each of the clamps on the upper side is respectively connected to the corresponding return air branch pipe, and each of the clamps on the lower side is respectively connected to the corresponding return air branch pipe. By using the clamps, the installation of the air supply duct and the return air duct is achieved.
[0011] As an optimization, the return air branch pipe is provided with a group of return air inlets. By providing the return air inlets, it is convenient to realize that the air enters the return air branch pipe.
[0012] As an optimization, the air supply branch pipe is divided into section A and section B. The air supply branch pipe is provided with a group of first air outlets corresponding to section A, and the air supply branch pipe is provided with a group of second air outlets corresponding to section B. By providing the first air outlet and the second air outlet, small hole air supply and small hole air return are realized, so that the wind is evenly distributed, and the tobacco leaves are evenly dried.
[0013] As an optimization, a group of the first air outlets has the same number as a group of the second air outlets.
[0014] As an optimization, the diameter of the first air outlet is smaller than the diameter of the second air outlet. And the spacing between adjacent first air outlets is different from the spacing between adjacent second air outlets, so that the wind pressure of the first air outlet is different from that of the second air outlet, ensuring the consistency of the front and rear air volumes, so that the wind is evenly distributed at each point in the drying room, and the tobacco leaves are evenly dried.
[0015] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:
[0016] (1) This device changes the traditional air supply and return mode by installing an air outlet duct on one side of the fan and a return air duct on the upper side, thus achieving uniform drying of tobacco leaves.
[0017] (2) The air supply and return air ducts of this device adopt a single long tube, and are provided with evenly distributed air outlets and return air outlets, so as to realize small-hole air supply and small-hole air return, so that the air is evenly distributed at various points in the drying room, so as to achieve uniform drying of tobacco leaves. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0019] Figure 1 It is a schematic diagram of the constant temperature dehumidification and air supply plan of the utility model.
[0020] Figure 2 For the utility model Figure 1 Schematic diagram of the cross section of AA.
[0021] Figure 3 It is a schematic diagram of the constant temperature dehumidification return air plan of the utility model.
[0022] Figure 4 It is a schematic diagram of section A and section B of the air supply branch pipe of the utility model.
[0023] Figure 5 It is a schematic diagram of the air outlet of the utility model.
[0024] Figure 6 It is a schematic diagram of the air inlet of the utility model.
[0025] In the figure:
[0026] 1. Airing room;
[0027] 2. Air supply duct, 21. Air supply branch pipe, 22. Air supply elbow, 23. Air supply thin pipe, 24. Air supply tee, 25. Air supply main pipe, 26. First air outlet, 27. Second air outlet;
[0028] 3. Fan system, 31. Air outlet tee, 32. Air outlet duct, 33. Fan, 34. Return air duct tee, 35. Return air duct;
[0029] 4. Return air duct, 41. Return air branch pipe, 42. Return air elbow, 43. Return air fine pipe, 44. Return air tee, 45. Return air main pipe, 46. Return air outlet;
[0030] 5. fixing assembly, 51. clamp mounting rod, 52. clamp. DETAILED DESCRIPTION
[0031] In order to clearly illustrate the technical features of this solution, the utility model is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0032] like Figures 1 to 6 As shown, a uniform ventilation system at each point of a tobacco air-drying room includes a fan system 3, which is arranged outside the air-drying room 1; an air supply duct 2, which is arranged in the air-drying room 1 and is located at the bottom, and the air supply duct 2 is fixedly connected to the fan system 3; and a return air duct 4, which is arranged in the air-drying room 1 and is located at the top, and the return air duct 4 is fixedly connected to the fan system 3. By using the fan system 3, the air supply duct 2 and the return air duct 4, the tobacco leaves can be dried.
[0033] The air supply duct 2 includes an air supply main pipe 25, both ends and the middle of the air supply main pipe 25 are respectively fixedly connected to air supply tees 24, the air supply tees 24 on both sides are respectively fixedly connected to one end of the air supply thin tube 23, the other ends of the symmetrical air supply thin tube 23 are respectively fixedly connected to the air supply elbow 22, and the three air supply tees 24 and the two air supply elbows 22 are respectively fixedly connected to the air supply branch pipe 21. By setting a group of air supply branch pipes 21, it is convenient to realize air supply to the air drying room.
[0034] The return air duct 4 includes a return air main pipe 45, both ends and the middle of the return air main pipe 45 are respectively fixedly connected to the return air tee 44, the return air tees 44 on both sides are respectively fixedly connected to one end of the return air thin tube 43, the other ends of the symmetrical return air thin tube 43 are respectively fixedly connected to the return air elbow 42, and the three return air tees 44 and the two return air elbows 42 are respectively fixedly connected to the return air branch pipe 41. By setting the return air branch pipe 41, air circulation is achieved.
[0035] The fan system 3 includes a fan 33, one side air outlet of the fan 33 is fixedly connected to one end of an air outlet pipe 32, the air outlet pipe 32 passes through the wall of the drying room 1 and is fixedly connected to an air outlet tee 31, the air outlet tee 31 is installed on the air supply main pipe 25, the upper side return air outlet of the fan 33 is fixedly connected to the lower end of the return air pipe 35, the upper end of the return air pipe 35 passes through the wall of the drying room 1 and is fixedly connected to a return air pipe tee 34, the return air pipe tee 34 is installed on the return air main pipe 45. By using the fan 33, wind power is generated and return air is absorbed, so that wind circulates in the drying room.
[0036] It also includes a fixing assembly 5, which includes two groups of clamp mounting rods 51 distributed up and down, each of the clamp mounting rods 51 is respectively connected to the air-drying room 1, each of the clamp mounting rods 51 is respectively connected to a group of clamps 52, each of the clamps 52 on the upper side is respectively connected to the corresponding return air branch pipe 41, and each of the clamps 52 on the lower side is respectively connected to the corresponding return air branch pipe 41. By using the clamps 52, the air supply duct 2 and the return air duct 4 are installed.
[0037] The return air branch pipe 41 is provided with a group of return air ports 46. By providing the return air ports 46, it is convenient to realize that air enters the return air branch pipe 41.
[0038] The air supply branch pipe 21 is divided into section A and section B. The air supply branch pipe 21 is provided with a group of first air outlets 26 corresponding to section A, and the air supply branch pipe 21 is provided with a group of second air outlets 27 corresponding to section B. By providing the first air outlets 26 and the second air outlets 27, small-hole air supply and small-hole air return are realized, so that the wind is evenly distributed, and the tobacco leaves are evenly dried.
[0039] The number of a group of the first air outlets 26 and the number of a group of the second air outlets 27 are the same.
[0040] The diameter of the first air outlet 26 is smaller than the diameter of the second air outlet 27. The spacing between adjacent first air outlets 26 is different from the spacing between adjacent second air outlets 27, so that the wind pressure of the first air outlet 26 and the second air outlet 27 are different, ensuring that the front and rear air volumes are consistent, so that the wind is evenly distributed at each point in the drying room, and the tobacco leaves are evenly dried.
[0041] The return air outlets 46 are arranged in 66 groups along the axial direction of the return air branch pipe 41, and the number of the return air branch pipe 41 in each group is 10. They are equally divided along the unfolded surface of the return air branch pipe 41, and the openings face downward and are located in the lower semicircle of the cross section.
[0042] The first air outlet 26 and the second air outlet 27 are arranged in 33 groups along the axial direction of the air supply branch pipe 21, and the number of the cross-sections of the circumferential direction of the air supply branch pipe 41 in each group is 10. They are equally divided along the unfolded surface of the air supply branch pipe 41, and the openings face upward and are located in the upper semicircle of the cross-section.
[0043] The workflow of this embodiment is:
[0044] When ventilation is required for drying, the fan 33 is controlled to work to generate wind, so that the wind enters the air supply main pipe 25 through the air outlet pipe 32 and the air outlet tee 31, enters the air supply capillary 23 through the air supply tee 24, enters the air supply branch pipe 21 through the air supply bend 22 and the air supply tee, and is ejected through the first air outlet 26 and the second air outlet 27 to realize air supply, reduce the temperature of the wind, speed up the flow rate, blow upward, pass through the tobacco leaves, and enter the return air main pipe 45 from the return air outlet 46 through the return air branch pipe 41, the return air tee 44, the return air bend 42, and the return air capillary 43, and return to the fan 33 through the return air pipe tee 34 and the return air pipe 35.
[0045] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, this does not limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.
Claims
1. A uniform ventilation system at each point in a tobacco air-drying room, characterized by: It comprises a fan system (3) arranged outside the drying room (1); An air supply duct (2) is arranged in the drying room (1) and is located at the bottom, and the air supply duct (2) is fixedly connected to the fan system (3); The return air duct (4) is arranged in the drying room (1) and is located at the top; the return air duct (4) is fixedly connected to the fan system (3).
2. The uniform ventilation system at each point in a tobacco air-drying room according to claim 1 is characterized by: The air supply duct (2) comprises an air supply main pipe (25), both ends and the middle of the air supply main pipe (25) are respectively fixedly connected to an air supply tee (24), the air supply tees (24) on both sides are respectively fixedly connected to one end of a thin air supply tube (23), the other ends of the symmetrical thin air supply tubes (23) are respectively fixedly connected to an air supply elbow (22), and the three air supply tees (24) and the two air supply elbows (22) are respectively fixedly connected to an air supply branch pipe (21).
3. The uniform ventilation system at each point in a tobacco air-drying room according to claim 2 is characterized by: The return air duct (4) comprises a return air main pipe (45), both ends and the middle of the return air main pipe (45) are respectively fixedly connected to a return air tee (44), the return air tees (44) on both sides are respectively fixedly connected to one end of a return air capillary tube (43), the other ends of the symmetrical return air capillary tubes (43) are respectively fixedly connected to a return air elbow (42), and the three return air tees (44) and the two return air elbows (42) are respectively fixedly connected to a return air branch pipe (41).
4. The uniform ventilation system at each point in a tobacco air-drying room according to claim 3 is characterized by: The fan system (3) comprises a fan (33), an air outlet on one side of the fan (33) being fixedly connected to one end of an air outlet pipe (32), the air outlet pipe (32) passing through the wall of the drying room (1) and being fixedly connected to an air outlet tee (31), the air outlet tee (31) being mounted on the air supply main pipe (25), an upper air return outlet on the fan (33) being fixedly connected to the lower end of the return air pipe (35), the upper end of the return air pipe (35) passing through the wall of the drying room (1) and being fixedly connected to a return air pipe tee (34), the return air pipe tee (34) being mounted on the return air main pipe (45).
5. The uniform ventilation system at each point in a tobacco air-drying room according to claim 3 is characterized by: It also comprises a fixing assembly (5), the fixing assembly (5) comprising two groups of clamp mounting rods (51) distributed up and down, each of the clamp mounting rods (51) being respectively connected to the air drying room (1), each of the clamp mounting rods (51) being respectively connected to a group of clamps (52), each of the clamps (52) on the upper side being respectively connected to the corresponding return air branch pipe (41), and each of the clamps (52) on the lower side being respectively connected to the corresponding return air branch pipe (41).
6. The uniform ventilation system at each point in a tobacco air-drying room according to claim 3 is characterized by: The return air branch pipe (41) is provided with a group of return air ports (46).
7. The uniform ventilation system at each point in a tobacco air-drying room according to claim 2 is characterized by: The air supply branch pipe (21) is divided into section A and section B. The air supply branch pipe (21) is provided with a group of first air outlets (26) corresponding to section A, and the air supply branch pipe (21) is provided with a group of second air outlets (27) corresponding to section B.
8. The uniform ventilation system at each point in a tobacco air-drying room according to claim 7 is characterized by: A group of the first air outlets (26) and a group of the second air outlets (27) have the same number.
9. The uniform ventilation system at each point in a tobacco air-drying room according to claim 7 is characterized by: The diameter of the first air outlet (26) is smaller than the diameter of the second air outlet (27).