Portable low-noise gas diffusion box

Abstract

The utility model discloses a portable low-noise fuel gas diffusion box which comprises a box body, a first pipe is arranged in the box body, and the end of the first pipe is connected with a diffusion connector; a second pipe and a third pipe which can be taken out are arranged in the box cover, the two ends of the second pipe are assembled and connected with the first pipe and the third pipe respectively when the second pipe is used, and the end of the third pipe is connected with an air passing connector; the problems that precision is not high and noise disturbs residents in the traditional gas diffusion process are solved, and a more efficient and environment-friendly solution is provided for maintenance and transformation of a gas pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas construction technical field especially relates to a portable low noise gas diffusion box. BACKGROUND

[0002] Before carrying out gas operation, the original gas pipeline system must be depressurized to ensure operation safety. The usual way is to discharge the gas in the pipe section to be operated to a predetermined safe pressure level, which is generally not less than 500Pa (relative pressure). However, in actual operation, 1. when the gas discharge pipe is discharging gas at a pressure of 0.25MPa (megapascal) and no grounding wire is installed, there are many potential risks. This pressure level is relatively high, which means that the gas flow rate is fast, increasing the possibility of static electricity generation and accumulation, and static electricity spark can cause fire or explosion; 2. once the discharge point flow rate is too fast to cause backfire phenomenon, that is, the flame flows back into the pipe, the flame may spread along the pipe to the gas source. This will not only damage the pipe and related equipment, but also cause larger range of fire and even explosion. SUMMARY

[0003] The main purpose of the utility model is to provide a portable low noise gas diffusion box, which aims to solve the existing technical problems.

[0004] To achieve the above purpose, the utility model provides a portable low noise gas diffusion box, which comprises:

[0005] The box body is provided with a first pipe therein, and the first pipe is connected with a diffusion joint at the end thereof;

[0006] The box cover is provided with a second pipe and a third pipe which can be taken out, the second pipe is connected with the first pipe and the third pipe at both ends thereof during use, and the third pipe is connected with an air passing joint at the end thereof.

[0007] Further, the utility model also comprises a silencer which is arranged at the end of the second pipe and used for reducing the noise generated during gas diffusion.

[0008] Further, the utility model also comprises a fixing rope which is connected with the end of the second pipe or the silencer.

[0009] Further, the fixing rope is provided with two ropes which are symmetrically distributed at both sides of the second pipe.

[0010] Further, the utility model also comprises a flame arrester which is arranged on the first pipe and used for preventing the flame from entering the diffusion system or the pipe from the external environment.

[0011] Further, the utility model also comprises a pressure gauge which is arranged on the first pipe and used for measuring the pressure of the diffusion gas.

[0012] Further, a pressure test opening is arranged at the second pipe end, for judging the approximate pressure of gas diffusion.

[0013] Further, a grounding needle is arranged at the bottom of the box, for ensuring the electrical connection between the diffusion box and the ground.

[0014] Further, a moving assembly is arranged at the bottom of the box.

[0015] Further, a base and a cover are arranged on the box cover, a clamping groove is formed between the base and the cover, and the base and the cover are connected through bolts.

[0016] The beneficial effects of the utility model are as follows:

[0017] The utility model solves the problems of low precision and noise disturbance in the traditional gas diffusion process, and provides a more efficient and environmentally-friendly solution for the maintenance and reconstruction of gas pipelines. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the portable low-noise gas diffusion box of the utility model;

[0019] Figure 2 It is a structure schematic view of the portable low-noise gas diffusion box of the utility model; Figure 1 Structure front view schematic view;

[0020] Figure 3 It is a box internal structure plan view schematic view of the utility model;

[0021] Figure 4 It is a box cover structure schematic view of the utility model;

[0022] Figure 5 It is a cover containing part structure schematic view of the utility model.

[0023] Mark explanation:

[0024] 1, box; 11, first pipe; 12, diffusion joint; 2, box cover; 21, second pipe; 22, third pipe; 23, air joint; 24, pressure test opening; 25, base; 26, cover; 3, silencer; 4, fixed rope; 5, fire arrester; 6, pressure gauge; 7, grounding needle; 8, moving assembly. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described in the embodiments of the utility model in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The embodiments in the application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Please refer to Figure 1 and 2 The utility model provides a portable low noise gas diffusion box, comprising:

[0027] The box body 1 is internally provided with a first pipe 11, and the first pipe 11 is connected with a diffusion joint 12 at the end, wherein the first pipe 11 is provided with a valve;

[0028] The box cover 2 is internally provided with a second pipe 21 and a third pipe 22 which can be taken out, specifically, one end of the second pipe 21 is provided with a multi-way joint, which is used as an interface for adding other functions (for example, a silencer 3 and a pressure test opening 24) in the subsequent stage; the two ends of the second pipe 21 are respectively assembled and connected with the first pipe 11 and the third pipe 22 in use, and the third pipe 22 is connected with a gas passing joint 23 at the end. The third pipe 22 is provided with a valve, and the second pipe 21 is connected with the first pipe 11 and the third pipe 22 through a pipe joint.

[0029] In the embodiment, the diffusion joint 12 is connected with the gas pipe section to be operated through a hose, and the diffusion joint 12 is used to lead out the gas to be diffused; the gas passing joint 23 is connected with the gas pipe section in operation through a hose when the gas passing joint 23 is operated. After the operation with gas is completed, the valve beside the gas passing joint 23 is opened, so that the gas can be transported from the gas pipe section in operation to the pipe section which has been operated. In addition, if the gas is discharged at a pressure lower than the predetermined pressure due to errors or other reasons when the gas is diffused, the valve beside the gas passing joint 23 is also opened, so that the gas can be transported from the gas pipe section in operation to the pipe section to be operated.

[0030] In an embodiment, please refer to Figure 1 and Figure 2 The utility model also comprises a silencer 3 which is arranged at the end of the second pipe 21 and is used to reduce the noise generated when the gas is diffused. The pipeline of the second pipe 21 connected with the silencer 3 is provided with a valve.

[0031] In the embodiment, the noise generated when the gas is directly discharged can cause unnecessary panic and anxiety of the surrounding residents, the gas flows through the silencer 3 and is finally discharged into the atmosphere, so that the noise generated when the gas is diffused can be effectively reduced.

[0032] In an embodiment, please refer to Figure 1 andFigure 2 It also includes a fixed rope 4, one end of which is connected with the end of the second pipe 21 or the muffler 3. In this embodiment, since the dispersing box is in the vertical state when the second pipe 21 is in use, the fixed rope 4 plays a supplementary fixing role, thereby improving the stability of the entire dispersing box after deployment.

[0033] In an embodiment, two fixed ropes 4 are provided, which are symmetrically distributed on both sides of the second pipe 21. In this embodiment, by symmetrically distributing the fixed ropes 4, balanced force can be provided to the second pipe, further improving its stable state and ensuring the stability of the entire dispersing box.

[0034] In an embodiment, please refer to Figure 3 It also includes a flame arrester 5 provided on the first pipe 11, which is used to prevent flames from entering the interior of the dispersing system or pipeline from the external environment in the reverse direction.

[0035] In this embodiment, if the gas is accidentally ignited, such as a small-scale fire caused by static electricity or other ignition sources, the flame arrester 5 can effectively prevent the flame from propagating in the reverse direction through the dispersing path to the pipeline network, thereby avoiding greater safety accidents.

[0036] In an embodiment, please refer to Figure 3 It also includes a pressure gauge 6 provided on the first pipe 11, which is used to measure the pressure of the dispersing gas.

[0037] In an embodiment, please refer to Figure 2 It also includes a pressure test port 24 provided at the end of the second pipe 21, which is used to determine the approximate pressure of the gas dispersing. The pipeline connecting the pressure test port 24 and the second pipe 21 is provided with a valve.

[0038] In this embodiment, for a skilled person, opening the valve beside the pressure test port 24 can feel the strength of the dispersing gas with hands, and the speed of the gas dispersing can be inferred.

[0039] In an embodiment, please refer to Figure 2 It also includes a grounding pin 7 provided at the bottom of the box 1, which is used to ensure electrical connection between the dispersing box and the ground.

[0040] In this embodiment, static electricity is effectively released and safe grounding is achieved. This grounding pin 7 not only helps to protect the equipment from damage caused by power surges, but also ensures the safety of the operator and avoids the risk of potential electric shock.

[0041] In an embodiment, please refer to Figure 1 and Figure 2 It also includes a moving assembly 8 provided at the bottom of the box 1.

[0042] The embodiment is thus configured to improve the convenience of the diffusion box as a whole, and can be used in cooperation with the handle provided on the box body 1.

[0043] Specifically, the moving assembly 8 can adopt universal wheels.

[0044] In an embodiment, referring to Figure 4 and Figure 5 the box cover 2 is provided with a base 25 and an upper cover 26, a clamping groove is formed between the base 25 and the upper cover 26, and the base 25 and the upper cover 26 are connected through bolts.

[0045] The embodiment is thus configured, when the diffusion work is completed, the second pipe 21 and the third pipe 22 are disassembled and placed between the base 25 and the upper cover 26 for limiting, and the clamping grooves on the base 25 and the upper cover 26 can be set according to the use requirements. Figure 5 Only a schematic view of accommodating the silencer 3 and the second pipe 21 is shown, and the appropriate clamping grooves can be set on the upper cover according to the requirements.

[0046] Specifically, the base 25 is fixedly connected with the box cover 2, and the upper cover 26 is separable from the base 25, when not in use, the second pipe 21, the third pipe 22 and the silencer 3 and other structures are placed on the base 25, and the limiting is realized by covering the upper cover 26.

[0047] It should be noted that if the embodiments of the utility model have the directionality indications such as up, down, left, right, front, back, etc., the directionality indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture such as shown in the drawings, if the specific posture changes, the directionality indications also change accordingly.

[0048] In addition, if the embodiments of the utility model have the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B schemes. In addition, "multiple" means two or more. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist.

[0049] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A portable low noise gas dispersion box characterized in that , comprising: a box (1) with a first pipe (11) inside, the first pipe (11) is connected with a diffusion joint (12) at the end; a box cover (2) with a removable second pipe (21) and a third pipe (22) inside, the second pipe (21) is connected with the first pipe (11) and the third pipe (22) at both ends during use, the third pipe (22) is connected with a gas passing joint (23) at the end.

2. A portable low noise gas dispersion box as claimed in claim 1 wherein: It also includes a silencer (3) at the end of the second pipe (21) to reduce the noise generated when the gas is diffused.

3. A portable low noise gas dispersion box as claimed in claim 2 wherein: It also includes a fixed rope (4) connected with the end of the second pipe (21) or the silencer (3).

4. A portable low noise gas dispersion box as claimed in claim 3 wherein: The fixed rope (4) is provided with two, symmetrically distributed on both sides of the second pipe (21).

5. A portable low noise gas dispersion box as claimed in claim 1, wherein: It also includes a fire arrester (5) provided on the first pipe (11) to prevent the reverse entry of flames from the external environment into the diffusion system or the pipeline inside.

6. A portable low noise gas dispersion box as claimed in claim 1, wherein: It also includes a pressure gauge (6) provided on the first pipe (11) to measure the pressure of the diffused gas.

7. A portable low noise gas dispersion box as claimed in claim 1, wherein: It also includes a pressure test port (24) provided at the end of the second pipe (21) to determine the approximate pressure of the gas diffusion.

8. A portable low noise gas dispersion box as claimed in claim 1, wherein: It also includes a grounding pin (7) provided at the bottom of the box (1) to ensure electrical connection between the diffusion box and the ground.

9. A portable low noise gas dispersion box as claimed in claim 1, wherein: It also includes a moving assembly (8) provided at the bottom of the box (1).

10. A portable low noise gas dispersion box as claimed in claim 1, wherein: The box cover (2) is provided with a base (25) and an upper cover (26), a clamping groove is formed between the base (25) and the upper cover (26), and the base (25) and the upper cover (26) are connected by bolts.

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