Gas mixing system

Abstract

The utility model discloses a gas mixing system. According to the technical scheme, the gas mixing system comprises a box body, the two gas inlet pipes are respectively a first gas inlet pipe and a second gas inlet pipe, and the ends, extending out of the box body, of the first gas inlet pipe and the second gas inlet pipe are respectively connected with gas source pipes of two gases; a plurality of groups of gas outlet pipes are arranged, each group comprises two gas outlet pipes, the two gas outlet pipes in the same group are respectively a first gas outlet pipe and a second gas outlet pipe, and one ends, extending out of the box body, of the first gas outlet pipe and the second gas outlet pipe in the same group are connected with gas mixing equipment; the first connecting pipe is connected with the end, extending into the box body, of the first air inlet pipe, and the first connecting pipe is communicated with the ends, extending into the box body, of all the air outlet pipes; and a second connecting pipe; the pipeline of the gas mixing system is integrated in the box body, and only the exposed pipeline needs to be directly connected with the gas source pipeline and the gas mixing equipment during installation, so that the installation operation is convenient and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of gas mixing, and more specifically, it relates to a gas mixing system. Background Art

[0002] In industrial production, operations such as flame cutting that use combustible gas as fuel are often carried out, which requires special gas cylinders to supply gas to the equipment. When supplying combustible gas, in order to ensure safety and the utilization rate of the combustion gas, it is often necessary to mix two gases together, such as the mixture of hydrogen and nitrogen. In addition, according to different requirements, the mixing ratio of the two gases needs to be adjusted.

[0003] For gas mixing, during on-site equipment installation, it is necessary to complexly connect various pipes, valves, flow meters, etc. between the two gas source pipes and the gas mixing equipment, making the on-site installation operation cumbersome and inconvenient. Summary of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a gas mixing system, which integrates the pipeline of the gas mixing system in the box body. During installation, only the exposed pipelines need to be directly connected to the gas source pipeline and the gas mixing equipment, making the installation operation convenient and fast.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: A gas mixing system includes a box body, and a box door is arranged on one side of the box body;

[0006] An air inlet pipe, there are two air inlet pipes, namely a first air inlet pipe and a second air inlet pipe. One end of the first air inlet pipe and the second air inlet pipe is located inside the box body and the other end extends out of the box body. The ends of the first air inlet pipe and the second air inlet pipe extending out of the box body are respectively connected to the gas source pipes of the two gases;

[0007] An air outlet pipe, there are multiple groups of air outlet pipes, and each group includes two air outlet pipes. The two air outlet pipes in the same group are respectively set as a first air outlet pipe and a second air outlet pipe. One end of the first air outlet pipe and the second air outlet pipe is arranged to extend into the box body and the other end extends out of the box body. The ends of the first air outlet pipe and the second air outlet pipe in the same group extending out of the box body are connected to the gas mixing equipment;

[0008] A first connecting pipe, the first connecting pipe is connected to the end of the first air inlet pipe extending into the box body, and the first connecting pipe is communicated with the ends of all the air outlet pipes extending into the box body;

[0009] And a second connecting pipe, the second connecting pipe is connected to the end of the second air inlet pipe extending into the box body, and the second connecting pipe is communicated with the ends of all the air outlet pipes extending into the box body.

[0010] The present utility model is further configured as: It further includes a control pipe, the control pipe is arranged inside the box body, and one end of each air outlet pipe extending into the box body is connected to a control pipe;

[0011] The first connecting pipe and the second connecting pipe are in communication with each control pipe;

[0012] A flow valve for controlling the flow rate flowing through the control pipe is arranged on the control pipe.

[0013] The present utility model is further configured as: A control valve is arranged on the control pipe, and the control valve is arranged at one end of the flow valve close to the air outlet pipe.

[0014] The present utility model is further configured as: The first connecting pipe is connected to one end of the control pipe far from the air outlet pipe, a first on-off valve is arranged on the control pipe, and the first on-off valve is arranged at one end of the flow valve close to the first connecting pipe.

[0015] The present utility model is further configured as: It further includes an auxiliary pipe, a plurality of auxiliary pipes corresponding to each control pipe are connected to the second connecting pipe, one end of the auxiliary pipe is connected to the second connecting pipe, and the other end is connected to the corresponding auxiliary pipe and the connection part with the auxiliary pipe is located between the flow valve and the first on-off valve on the auxiliary pipe;

[0016] A second on-off valve is arranged on the auxiliary pipe.

[0017] The present utility model is further configured as: It further includes a partition board, the partition board is fixedly connected in the box body, and divides the box body into a control cavity close to the box door side and an equipment cavity far from the box door side;

[0018] The air inlet pipe, the air outlet pipe, the first connecting pipe, the second connecting pipe, the control pipe, and the auxiliary pipe are all arranged in the equipment cavity.

[0019] The present utility model is further configured as: The flow valve is set as an electric flow valve, and the control valve, the first on-off valve, and the second on-off valve are all set as electric control valves;

[0020] The controller corresponding to each valve is arranged in the control cavity.

[0021] The present utility model is further configured as: A plurality of through holes penetrating the side wall of the box body are arranged on the side wall of the box body, and the through holes communicate the equipment cavity with the outside.

[0022] In summary, the present utility model has the following beneficial effects compared with the prior art: The pipeline of the gas mixing system of the present utility model is integrated in the box body. During installation, only the exposed pipelines need to be directly connected to the gas source pipeline and the gas mixing equipment, making the installation operation convenient and fast. Description of the Drawings

[0023] Figure 1 Schematic diagram of the overall structure of the embodiment;

[0024] Figure 2 Schematic diagram showing the control pipe inside the box in the embodiment;

[0025] Figure 3 Schematic diagram showing the partition board in the embodiment.

[0026] In the figure: 1. Box body; 11. Box door; 12. Partition board; 13. Through hole; 14. Equipment cavity; 15. Control cavity; 21. First intake pipe; 22. Second intake pipe; 31. First exhaust pipe; 32. Second exhaust pipe; 41. First connecting pipe; 42. Second connecting pipe; 5. Control pipe; 51. Control valve; 52. Flow valve; 6. Auxiliary pipe; 71. First on-off valve; 72. Second on-off valve. Specific implementation manners

[0027] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model will be clearly and completely described below in conjunction with the drawings of the present utility model. Based on the embodiments in this application, other similar embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application. In addition, the directional terms mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only with reference to the directions in the drawings. Therefore, the directional terms used are for illustration rather than limitation of the present invention.

[0028] The present utility model will be further described below in conjunction with the drawings and preferred embodiments.

[0029] Embodiment: A gas mixing system, see attached Figure 1 - attached Figure 3, including a box body 1, an air inlet pipe, an air outlet pipe, a first connecting pipe 41 and a second connecting pipe 42. A box door 11 is provided on one side of the box body 1; There are two air inlet pipes, namely a first air inlet pipe 21 and a second air inlet pipe 22. Both the first air inlet pipe 21 and the second air inlet pipe 22 have one end inside the box body 1 and the other end extending out of the box body 1. The ends of the first air inlet pipe 21 and the second air inlet pipe 22 extending out of the box body 1 are respectively connected to the gas source pipes of two kinds of gases; There are multiple groups of air outlet pipes. Each group includes two air outlet pipes. The two air outlet pipes in the same group are respectively set as a first air outlet pipe 31 and a second air outlet pipe 32. Both the first air outlet pipe 31 and the second air outlet pipe 32 are set with one end extending into the box body 1 and the other end extending out of the box body 1. The ends of the first air outlet pipe 31 and the second air outlet pipe 32 in the same group extending out of the box body 1 are connected to a gas mixing device; The first connecting pipe 41 is connected to the end of the first air inlet pipe 21 extending into the box body 1, and the first connecting pipe 41 is communicated with the ends of all air outlet pipes extending into the box body 1; The second connecting pipe 42 is connected to the end of the second air inlet pipe 22 extending into the box body 1, and the second connecting pipe 42 is communicated with the ends of all air outlet pipes extending into the box body 1.

[0030] Integrate the pipelines in the box body 1. When installing, only need to connect the ends of the air inlet pipe and the air outlet pipe extending out of the box body 1 to the gas source pipe supplying gas and the gas mixing device respectively, without laying pipelines on site, making the installation operation more convenient and fast. In this embodiment, each air outlet pipe is kept in communication with the first connecting pipe 41 and the second connecting pipe 42, that is, each air outlet pipe can output any one kind of gas. In actual use, according to the actual situation, adjust the types of gases output by the two air outlet pipes in the same group, and then it is possible to control whether the output is two different gases or a single gas.

[0031] Specifically, this embodiment further includes a control pipe 5. The control pipe 5 is arranged inside the box body 1, and one control pipe 5 is connected to the end of each air outlet pipe extending into the box body 1; The first connecting pipe 41 and the second connecting pipe 42 are kept in communication with each control pipe 5; A flow valve 52 for controlling the flow rate of the fluid flowing through the control pipe 5 is arranged on the control pipe 5. Through the setting of the flow valve 52, the flow rate of the gas entering the air outlet pipe can be controlled, so as to adjust the mixing ratio of the gases.

[0032] Specifically, a control valve 51 is arranged on the control pipe 5, and the control valve 51 is arranged at one end of the flow valve 52 close to the air outlet pipe.

[0033] Specifically, the first connecting pipe 41 is connected to one end of the control pipe 5 away from the air outlet pipe. A first on-off valve 71 is provided on the control pipe 5, and the first on-off valve 71 is arranged at one end of the flow valve 52 close to the first connecting pipe 41. Specifically, this embodiment further includes an auxiliary pipe 6. A plurality of auxiliary pipes 6 corresponding to each control pipe 5 are connected to the second connecting pipe 42. One end of the auxiliary pipe 6 is connected to the second connecting pipe 42, and the other end is connected to the corresponding auxiliary pipe 6, and the connection part with the auxiliary pipe 6 is located between the flow valve 52 and the first on-off valve 71 on the auxiliary pipe 6; a second on-off valve 72 is provided on the auxiliary pipe 6.

[0034] Through the settings of the first on-off valve 71 and the second on-off valve 72, the types of gases output from the air outlet pipe can be controlled by the opening and closing of the first on-off valve 71 and the second on-off valve 72.

[0035] Specifically, it further includes a partition plate 12. The partition plate 12 is fixedly connected in the box body 1, dividing the box body 1 into a control cavity 15 close to the box door 11 side and an equipment cavity 14 away from the box door 11 side; the air inlet pipe, the air outlet pipe, the first connecting pipe 41, the second connecting pipe 42, the control pipe 5, and the auxiliary pipe 6 are all arranged in the equipment cavity 14. The flow valve 52 is set as an electric flow valve 52, and the control valve 51, the first on-off valve 71, and the second on-off valve 72 are all set as electric control valves; the controllers corresponding to each valve are all arranged in the control cavity 15.

[0036] Setting the controller in the control cavity 15 makes only the controller exposed after the box door 11 is opened. The operator can control each valve through the controller, thereby controlling the types of gases output from the air outlet pipe and the flow rate of the output gases. Setting each pipeline and valve in the equipment cavity 14 will not be directly exposed when the box door 11 is opened, improving the safety of operation.

[0037] Specifically, a number of through holes 13 penetrating the side wall of the box body 1 are provided on the side wall of the box body 1. The through holes 13 communicate the equipment cavity 14 with the outside. Through the setting of the through holes 13, when there is a slight leakage of gas, the gas can escape from the equipment cavity 14 through the through holes 13, preventing the gas concentration in the equipment wall from being too high caused by gas accumulation and triggering danger.

[0038] The above are only the preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and retouches should also be regarded as the protection scope of the present invention.

Claims

1. A gas mixing system, characterized in that: It includes a box body (1), and a box door (11) is arranged on one side of the box body (1); An intake pipe, there are two intake pipes, namely a first intake pipe (21) and a second intake pipe (22). One end of both the first intake pipe (21) and the second intake pipe (22) is located inside the box body (1) and the other end extends out of the box body (1). The ends of the first intake pipe (21) and the second intake pipe (22) extending out of the box body (1) are respectively connected to the gas source pipes of two kinds of gases; An exhaust pipe, there are multiple groups of exhaust pipes. Each group includes two exhaust pipes. The two exhaust pipes in the same group are respectively set as a first exhaust pipe (31) and a second exhaust pipe (32). One end of both the first exhaust pipe (31) and the second exhaust pipe (32) is set to extend into the box body (1), and the other end extends out of the box body (1). The ends of the first exhaust pipe (31) and the second exhaust pipe (32) in the same group extending out of the box body (1) are connected to a gas mixing device; A first connecting pipe (41), the first connecting pipe (41) is connected to the end of the first intake pipe (21) extending into the box body (1), and the first connecting pipe (41) is communicated with the ends of all exhaust pipes extending into the box body (1); And a second connecting pipe (42), the second connecting pipe (42) is connected to the end of the second intake pipe (22) extending into the box body (1), and the second connecting pipe (42) is communicated with the ends of all exhaust pipes extending into the box body (1).

2. The gas mixing system according to claim 1, wherein: It further includes a control pipe (5), the control pipe (5) is arranged inside the box body (1), and one end of each exhaust pipe extending into the box body (1) is connected to a control pipe (5); The first connecting pipe (41) and the second connecting pipe (42) are in communication with each control pipe (5); A flow valve (52) for controlling the flow rate flowing through the control pipe (5) is arranged on the control pipe (5).

3. A gas mixing system according to claim 2, characterized in that: A control valve (51) is arranged on the control pipe (5), and the control valve (51) is arranged at the end of the flow valve (52) close to the exhaust pipe.

4. The gas mixing system according to claim 3, wherein: The first connecting pipe (41) is connected to the end of the control pipe (5) far from the exhaust pipe, and a first on-off valve (71) is arranged on the control pipe (5), and the first on-off valve (71) is arranged at the end of the flow valve (52) close to the first connecting pipe (41).

5. The gas mixing system according to claim 4, wherein: It further includes an auxiliary pipe (6), and a plurality of auxiliary pipes (6) corresponding to each control pipe (5) are connected to the second connecting pipe (42). One end of the auxiliary pipe (6) is connected to the second connecting pipe (42), and the other end is connected to the corresponding auxiliary pipe (6) and the connection part with the auxiliary pipe (6) is located between the flow valve (52) and the first on-off valve (71) on the auxiliary pipe (6); A second on-off valve (72) is arranged on the auxiliary pipe (6).

6. A gas mixing system according to claim 5, characterized in that: It further includes a partition plate (12), the partition plate (12) is fixedly connected in the box body (1), and the box body (1) is divided into a control cavity (15) on the side close to the box door (11) and an equipment cavity (14) on the side far from the box door (11); The intake pipe, the exhaust pipe, the first connecting pipe (41), the second connecting pipe (42), the control pipe (5), and the auxiliary pipe (6) are all arranged in the equipment cavity (14).

7. A gas mixing system according to claim 6, characterized in that: The flow valve (52) is provided as an electric flow valve (52), and the control valve (51), the first on-off valve (71), and the second on-off valve (72) are all provided as electric control valves; The controller corresponding to each valve is arranged in the control cavity (15).

8. A gas mixing system according to claim 7, characterized in that: A plurality of through holes (13) penetrating the side wall of the box body (1) are provided on the side wall of the box body (1), and the through holes (13) communicate the equipment cavity (14) with the outside.

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