Gas mixing device

By designing a gas mixing device that includes components such as support columns, mixing chambers, and isolation shells, and utilizing the coordinated rotation of stirring blades, the problems of uneven mixing and slow speed are solved, achieving a faster and more uniform gas mixing effect.

CN223832143UActive Publication Date: 2026-01-27NANTONG JINDIAN ELECTRIC POWER EQUIPMENT CO LTD
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Patent Information

Application Number
CN202423113308.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-27
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing gas mixing devices suffer from uneven mixing and slow mixing rates, resulting in low mixing efficiency.

Method used

A gas mixing device is adopted, which includes components such as support columns, mixing boxes, isolation shells, bearings, starting mechanisms, rotating mechanisms, first and second rotating holes, and first and second gas conveying mechanisms. By rotating the first and second stirring blades in coordination, the laminar flow state is broken, the turbulence intensity is increased, and the gas is mixed uniformly.

Benefits of technology

This allows the gas to begin mixing as soon as it enters the mixing chamber, significantly improving the mixing rate and uniformity, and enhancing the mixing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a gas mixing device, which relates to the technical field of gas mixing and further comprises an isolating shell fixedly arranged on a mixing box, a bearing, a starting mechanism arranged on the isolating shell, a first rotating hole, a rotating mechanism rotationally arranged on the mixing box, a second rotating hole and a connecting mechanism fixedly arranged on the starting mechanism, the first gas transmission mechanism is fixedly arranged on the mixing box, and the second gas transmission mechanism is arranged on the mixing box; through cooperation of a first gas conveying mechanism, a second gas conveying mechanism, a starting mechanism, a rotating mechanism, a first rotating hole, a second rotating hole and a connecting mechanism, when gas enters the mixing box through the first rotating hole and the second rotating hole, a rotating rod drives stirring blades to rotate, the laminar flow state in the mixing box is broken, the local turbulence intensity is increased, and the mixing efficiency is improved. And the gas is mixed once entering the mixing box, so that the mixing speed is increased, the mixing efficiency is improved, and the gas is mixed more uniformly.
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Description

Technical Field

[0001] This utility model relates to the field of gas mixing technology, and in particular to a gas mixing device. Background Technology

[0002] A gas mixing device is a apparatus used to uniformly mix two or more gases in a specific ratio. This device is widely used in various fields such as industry, scientific research, and medicine, for example, in the preparation of reaction gases in chemical production, gas analysis in laboratories, and the mixing of protective gases during welding processes. However, some current gas mixing devices tend to produce uneven mixing after the gases enter the mixing chamber, and the mixing rate is slow, resulting in low mixing efficiency. Therefore, improvements are urgently needed. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a gas mixing device to solve the above-mentioned technical problems.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A gas mixing device includes a support column and a mixing chamber, and further includes:

[0006] An isolation shell is fixedly mounted on the mixing tank;

[0007] Two bearings are provided, symmetrically arranged on the mixing box and fixedly connected to the mixing box.

[0008] A starting mechanism is mounted on the isolation shell and rotatably connected to the mixing tank;

[0009] Multiple first rotating holes are provided on the starting mechanism;

[0010] A rotating mechanism is rotatably mounted on the mixing tank;

[0011] Multiple second rotating holes are provided on the rotating mechanism;

[0012] A connecting mechanism is fixedly mounted on the starting mechanism and fixedly connected to the rotating mechanism;

[0013] The first gas delivery mechanism is fixedly installed on the mixing box;

[0014] The second gas delivery mechanism is mounted on the mixing box and is fixedly connected to the mixing box.

[0015] Preferably, the starting mechanism includes:

[0016] The first motor is fixedly mounted on the isolation shell;

[0017] A first rotating rod is rotatably mounted on the mixing tank. One end of the first rotating rod is fixedly connected to the output end of the first motor, and the first rotating rod is rotatably connected to the bearing.

[0018] The first stirring blade is provided in multiple forms, and the multiple first stirring blades are fixedly mounted on the first rotating rod.

[0019] Preferably, the rotating mechanism includes:

[0020] The second rotating rod is disposed on the mixing box and rotatably connected to the mixing box; the second rotating rod rotates with the bearing.

[0021] The second stirring blade is provided in multiple forms, and the multiple second stirring blades are fixedly mounted on the second rotating rod.

[0022] Preferably, the connecting mechanism includes:

[0023] The first gear is fixedly mounted on the first rotating rod;

[0024] The second gear is mounted on the second rotating rod and is fixedly connected to the second rotating rod. The second gear meshes with the first gear.

[0025] Preferably, the first gas delivery mechanism includes:

[0026] The first gas delivery pipe is fixedly installed on the mixing box;

[0027] Multiple first conical vent holes are provided, and multiple first conical vent holes are provided in the first gas supply pipe.

[0028] Preferably, the second gas delivery mechanism includes:

[0029] The second gas supply pipe is installed on the mixing box and is fixedly connected to the mixing box;

[0030] Multiple second conical vent holes are provided, and multiple second conical vent holes are provided on the second air supply pipe.

[0031] Preferably, there are multiple first rotating holes, which are disposed on the first rotating rod; there are multiple second rotating holes, which are disposed on the second rotating rod; the first gas supply pipe is rotatably connected to the first rotating rod, and the second gas supply pipe is rotatably connected to the second rotating rod.

[0032] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0033] Through the cooperation of the first gas delivery mechanism, the second gas delivery mechanism, the starting mechanism, the rotating mechanism, the first rotating hole, the second rotating hole and the connecting mechanism, when the gas enters the mixing box through the first rotating hole and the second rotating hole, the rotating rod drives the stirring blade to rotate, breaking the laminar flow state in the mixing box, increasing the local turbulence intensity, so that the gas starts to mix as soon as it enters the mixing box, thereby increasing the mixing rate, improving the mixing efficiency and making the gas mix more uniform. Attached Figure Description

[0034] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 A three-dimensional structural schematic diagram of a gas mixing device is shown.

[0036] Figure 2 A partial three-dimensional structural schematic diagram of a gas mixing device is shown.

[0037] Figure 3 A side view of a gas mixing device is shown.

[0038] Figure 4 It shows Figure 3 Cross-sectional view of AA.

[0039] Figure 5 It shows Figure 4 A magnified view of a section at point B.

[0040] Figure 6 It shows Figure 4 A magnified view of a section at point C.

[0041] Legend:

[0042] 1. Support column; 2. Mixing box; 3. Isolation shell; 4. Bearing; 5. First rotating hole; 6. Second rotating hole; 7. First motor; 8. First rotating rod; 9. First stirring blade; 10. Second rotating rod; 11. Second stirring blade; 12. First gear; 13. Second gear; 14. First air supply pipe; 15. First conical vent hole; 16. Second air supply pipe; 17. Second conical vent hole. Detailed Implementation

[0043] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0044] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0046] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0047] Reference Figures 1 to 6 The following is a further description of an embodiment of the gas mixing device of the present invention.

[0048] A gas mixing device includes a support column 1 and a mixing chamber 2, and further includes:

[0049] An isolation shell 3 is fixedly mounted on the mixing box 2; it is used to protect the first gear 12 and the second gear 13 and prevent the first gear 12 and the second gear 13 from being damaged by external contact.

[0050] Two bearings 4 are provided, symmetrically arranged on the mixing box 2 and fixedly connected to the mixing box 2; used to limit the rotational position of the first rotating rod 8 and the second rotating rod 10;

[0051] Reference Figure 2 , Figure 3 , Figure 4 and Figure 6 In a preferred embodiment, a starting mechanism is disposed on the isolation shell 3 and rotatably connected to the mixing tank 2; the starting mechanism includes:

[0052] The first motor 7 is fixedly mounted on the isolation shell 3;

[0053] The first rotating rod 8 is rotatably mounted on the mixing box 2. One end of the first rotating rod 8 is fixedly connected to the output end of the first motor 7, and the first rotating rod 8 is rotatably connected to the bearing 4.

[0054] Multiple first stirring blades 9 are provided, and multiple first stirring blades 9 are fixedly mounted on the first rotating rod 8.

[0055] When in operation, the first motor 7 is started, and the first motor 7 drives the first rotating rod 8, which is fixedly connected to its output end, to rotate clockwise. The first rotating rod 8 drives the first stirring blade 9 and the first gear 12 to rotate clockwise. The clockwise rotation of the first stirring blade 9 is used to accelerate the air circulation in the mixing box 2, thereby accelerating the mixing between different gases.

[0056] Multiple first rotating holes 5 are provided on the starting mechanism; used to transport gas in the first gas supply pipe 14 into the mixing box 2.

[0057] Reference Figure 2 , Figure 4 and Figure 5 In a preferred embodiment, a rotating mechanism is rotatably mounted on the mixing tank 2; the rotating mechanism includes:

[0058] The second rotating rod 10 is disposed on the mixing box 2 and rotatably connected to the mixing box 2. The second rotating rod 10 rotates with the bearing 4.

[0059] Multiple second stirring blades 11 are provided, and multiple second stirring blades 11 are fixedly mounted on the second rotating rod 10.

[0060] During operation, the second gear 13 transmits kinetic energy to drive the second rotating rod 10 to rotate counterclockwise. The second rotating rod 10 drives the second stirring blade 11 to rotate counterclockwise. The counterclockwise rotation of the second stirring blade 11 interacts with the clockwise rotation of the first stirring blade 9 to generate a strong shearing force, which is more conducive to breaking bubbles and air clusters and further promoting the uniform distribution of gas. Moreover, the gas forms a more complex flow in the mixing box 2, thereby improving the overall mixing uniformity.

[0061] Multiple second rotating holes 6 are provided on the rotating mechanism; used to transport gas in the second gas supply pipe 16 into the mixing box 2.

[0062] Reference Figure 2 In a preferred embodiment, a connecting mechanism is fixedly mounted on the starting mechanism and fixedly connected to the rotating mechanism; the connecting mechanism includes:

[0063] The first gear 12 is fixedly mounted on the first rotating rod 8;

[0064] The second gear 13 is disposed on the second rotating rod 10 and is fixedly connected to the second rotating rod 10. The second gear 13 meshes with the first gear 12.

[0065] During operation, the first rotating rod 8 drives the first gear 12 to rotate clockwise, the first gear 12 drives the second gear 13 to rotate counterclockwise, and the second gear 13 drives the second rotating rod 10 to rotate counterclockwise, thereby causing the first rotating rod 8 and the second rotating rod 10 to rotate in opposite directions.

[0066] Reference Figure 1 , Figure 3 , Figure 4 and Figure 6 In a preferred embodiment, a first gas delivery mechanism is fixedly mounted on the mixing tank 2; the first gas delivery mechanism includes:

[0067] The first gas delivery pipe 14 is fixedly installed on the mixing box 2; it is used to deliver a gas that needs to be mixed.

[0068] Multiple first conical vent holes 15 are provided, and multiple first conical vent holes 15 are arranged in the first gas delivery pipe 14. This is used to transport gas more evenly throughout the entire mixing chamber 2.

[0069] Reference Figures 1 to 5 In a preferred embodiment, the second gas delivery mechanism is disposed on the mixing tank 2 and fixedly connected to the mixing tank 2. The second gas delivery mechanism includes:

[0070] The second gas delivery pipe 16 is disposed on the mixing box 2 and fixedly connected to the mixing box 2; it is used to deliver another gas that needs to be mixed.

[0071] Multiple second conical vent holes 17 are provided, and multiple second conical vent holes 17 are provided on the second air supply pipe 16.

[0072] The first rotating hole 5 is provided in multiple ways, and the multiple first rotating holes 5 are provided on the first rotating rod 8. The second rotating hole 6 is provided in multiple ways, and the multiple second rotating holes 6 are provided on the second rotating rod 10. The first air supply pipe 14 is rotatably connected to the first rotating rod 8, and the second air supply pipe 16 is rotatably connected to the second rotating rod 10.

[0073] Working principle: One type of gas to be mixed enters the mixing chamber 2 sequentially through the first gas supply pipe 14, the first conical vent 15, and the first rotating hole 5. The other type of gas to be mixed enters the mixing chamber 2 sequentially through the second gas supply pipe 16, the second conical vent 17, and the second rotating hole 6. The gases are transported to multiple locations within the mixing chamber 2. The first motor 7 is activated, driving the first rotating rod 8 to rotate clockwise. The first rotating rod 8 drives the first gear 12 and the first stirring blade 9 to rotate clockwise. The first gear 12 drives the second gear 13 to rotate counterclockwise. The second gear 13 drives the second rotating rod 10 to rotate counterclockwise. The second rotating rod 10 drives the second stirring blade 11 to rotate counterclockwise. The first stirring blade 9 and the second stirring blade 11 rotate in opposite directions, increasing the gas flow rate and thus promoting the mixing of different gases.

[0074] The above description of the embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gas mixing device, comprising a support column (1) and a mixing chamber (2), characterized in that, Also includes: An isolation shell (3) is fixedly mounted on the mixing tank (2); Two bearings (4) are provided, and the two bearings (4) are symmetrically arranged on the mixing box (2) and fixedly connected to the mixing box (2); The starting mechanism is mounted on the isolation shell (3) and is rotatably connected to the mixing box (2); Multiple first rotating holes (5) are provided, and multiple first rotating holes (5) are provided on the starting mechanism; A rotating mechanism is rotatably mounted on the mixing tank (2); Multiple second rotating holes (6) are provided on the rotating mechanism; A connecting mechanism is fixedly mounted on the starting mechanism and fixedly connected to the rotating mechanism; The first gas delivery mechanism is fixedly installed on the mixing box (2); The second gas delivery mechanism is installed on the mixing box (2) and is fixedly connected to the mixing box (2); The first motor (7) is fixedly mounted on the isolation shell (3); The first rotating rod (8) is rotatably mounted on the mixing box (2). One end of the first rotating rod (8) is fixedly connected to the output end of the first motor (7). The first rotating rod (8) is rotatably connected to the bearing (4). Multiple first stirring blades (9) are provided, and multiple first stirring blades (9) are fixedly mounted on the first rotating rod (8); The second rotating rod (10) is disposed on the mixing box (2) and rotatably connected to the mixing box (2). The second rotating rod (10) rotates with the bearing (4). Multiple second stirring blades (11) are provided, and multiple second stirring blades (11) are fixedly mounted on the second rotating rod (10); The first gear (12) is fixedly mounted on the first rotating rod (8); The second gear (13) is disposed on the second rotating rod (10) and is fixedly connected to the second rotating rod (10). The second gear (13) meshes with the first gear (12).

2. The gas mixing device according to claim 1, characterized in that, The first gas delivery mechanism includes: The first gas delivery pipe (14) is fixedly installed on the mixing box (2); Multiple first conical vent holes (15) are provided, and multiple first conical vent holes (15) are provided on the first gas supply pipe (14).

3. A gas mixing device according to claim 2, characterized in that, The second gas transmission mechanism includes: The second gas supply pipe (16) is installed on the mixing box (2) and is fixedly connected to the mixing box (2); Multiple second conical vent holes (17) are provided, and multiple second conical vent holes (17) are provided on the second air supply pipe (16).

4. A gas mixing device according to claim 3, characterized in that, The first rotating hole (5) is provided in multiple ways, and the multiple first rotating holes (5) are provided on the first rotating rod (8). The second rotating hole (6) is provided in multiple ways, and the multiple second rotating holes are provided on the second rotating rod (10). The first gas supply pipe (14) is rotatably connected to the first rotating rod (8), and the second gas supply pipe (16) is rotatably connected to the second rotating rod (10).