Gas diffusing device

Abstract

The utility model discloses a gas diffusing device which comprises a gas inlet pipe, the tail end of the gas inlet pipe is communicated with a gas inlet hose, a connecting assembly is arranged in the middle of the gas inlet pipe, a gas outlet pipe is arranged at the top end of the gas inlet pipe, the gas outlet pipe and the gas inlet pipe are fixedly connected through a flange, and a gas outlet valve and a monitoring valve are arranged in the middle of the gas outlet pipe in a sleeved mode. The connecting assembly comprises a circular ring arranged on the outer side of the gas inlet pipe in a sleeving mode, a protruding block structure is arranged on the outer side of the circular ring, the movable gas inlet pipe and the gas outlet pipe are connected through a gas inlet hose to be connected with a valve diffusion position, risks are reduced by moving away from the position under a bridge or a shop gate, and safety is improved. The movable gas inlet pipe and the gas outlet pipe are connected through the connecting hose, can be directly connected with a valve diffusion position or a courtyard stand pipe and can be used as a low-pressure torch for ignition and combustion; a flame arrester can also be added to serve as a medium-pressure torch for ignition and combustion.

Description

Technical Field

[0001] The utility model relates to the field of gas components, in particular to a gas dispersing device. Background Art

[0002] Most of the gas company's pipelines and valves are outdoors. Affected by the outdoor environment, it is difficult to place the vent pipe when replacing and ventilating the gas pipelines, which poses certain risks to gas operations.

[0003] When performing gas release operations, firstly, the traditional release method requires more pipes and accessories to connect, resulting in many leakage points, long underground operation time, and troublesome connection and installation; secondly, the valve is located under a bridge or at the door of a shop, etc., and cannot be directly emptied and released. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a gas dispersing device, which is arranged for dispersing and replacing during ventilation. When dispersing is required, if the on-site valve is offset and the dispersing valve is not in a good position, resulting in the inability to directly install the dispersing pipe, the mobile air inlet rod is connected through an air inlet hose, which can be directly connected to the valve dispersing place, thereby reducing the connection of pipeline accessories, reducing the installation leakage points, and reducing the underground installation operation time, thereby improving work efficiency and reducing the underground operation risk. When the valve is located under a bridge or at the door of a shop, etc., there is a certain safety risk in directly dispersing or igniting a torch at the valve. The mobile air inlet pipe and the air outlet pipe are connected to the valve dispersing place through an air inlet hose, and the device is moved away from the bridge or the door of the shop to reduce the risk and improve safety. The device can also be used for liquefied petroleum gas ventilation or gas type conversion. The mobile air inlet pipe and the air outlet pipe are connected through a connecting hose, which can be directly connected to the valve dispersing place or the courtyard riser, and can be used as a low-pressure torch for ignition and combustion; a flame arrester can also be added to ignite and burn as a medium-pressure torch.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: a gas dispersion device, comprising an air intake pipe, the tail end of the air intake pipe is connected to the air intake hose, a connecting assembly is arranged in the middle of the air intake pipe, an air outlet pipe is arranged at the top end of the air intake pipe, the air outlet pipe and the air intake pipe are fixed by a flange connection, an air outlet valve and a monitoring valve are sleeved in the middle of the air outlet pipe, the connecting assembly comprises a circular ring sleeved on the outer side of the air intake pipe, a protrusion structure is arranged on the outer side of the circular ring, a circular hole structure is opened in the middle of the protrusion, and a positioning pin is arranged in the circular hole, both sides of the positioning pin are movably arranged with a hinge head, the hinge head is fixed to the top end of the support leg, the outer side of the air intake pipe is sleeved with two groups of circular rings and positioning pins, and a support plate is movably arranged on the outer side of the group of positioning pins, and the support plate is movably arranged with the support leg.

[0006] As a preferred technical solution of the utility model, the outer sides of each group of positioning pins are fixed by fastening nuts.

[0007] As a preferred technical solution of the utility model, three groups of equidistant arrays of protrusions are arranged on the outer side of the circular ring, and the hinged joint is fixed to the supporting leg by welding.

[0008] As a preferred technical solution of the utility model, a groove with a size matching the size of the supporting leg is opened in the middle of the outer end of each group of supporting plates.

[0009] As a preferred technical solution of the utility model, the end of the monitoring valve is connected to the monitoring instrument.

[0010] As a preferred technical solution of the utility model, the support plates are arranged in three groups, and two plates are arranged in each group.

[0011] As a preferred technical solution of the present utility model, a flame arrester is arranged between the flanges.

[0012] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0013] 1. In this device, it is set for venting and replacement during ventilation. When venting is required, if the on-site valve is offset and the vent valve is not in a good position, making it impossible to directly install the vent pipe, the mobile air inlet rod is connected through the air inlet hose, which can be directly connected to the valve venting place, reducing the connection of pipeline accessories, reducing the installation leakage points, and reducing the underground installation operation time, thereby improving work efficiency and reducing the underground operation risk; when the valve is located under a bridge or at the door of a shop, there is a certain safety risk in directly venting or lighting a torch at the valve. The mobile air inlet pipe and the air outlet pipe are connected to the valve venting place through the air inlet hose, and the risk is moved away from the bridge or the door of the shop to reduce the risk and improve safety. It can also be used for liquefied petroleum gas ventilation or gas type conversion. The mobile air inlet pipe and the air outlet pipe are connected through the connecting hose, which can be directly connected to the valve venting place or the courtyard riser, and can be used as a low-pressure torch for ignition and combustion; a flame arrester can also be added to ignite and burn as a medium-pressure torch.

[0014] 2. In this device, by setting a connecting component - a leg structure, it is movable, retractable, small in size, easy to assemble, convenient to carry on engineering vehicles, and convenient to assemble and use quickly on site. When used on site, multiple groups of leg structures can be unfolded outward to a suitable angle and a stable state. The top of the leg can be rotated through the movable connection between the hinge seat and the positioning pin, and finally fixed in place by the locking nut. The support plate structure at the bottom can be clamped with the leg through the groove, and can also be rotated through the hinge seat and the positioning pin, which is convenient for the storage and deployment of the leg and convenient for on-site use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a structural breakdown diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the air intake pipe of the utility model;

[0018] Figure 4 Based Figure 3 The structural diagram at A in the middle;

[0019] Figure 5 It is a schematic diagram of the structure of other embodiments of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the flame arrester of the utility model.

[0021] Among them: 1. Inlet pipe; 2. Connecting assembly; 21. Ring; 22. Locating pin; 3. Support leg; 31. Hinge joint; 4. Flange; 5. Inlet hose; 6. Outlet pipe; 7. Outlet valve; 8. Monitoring valve; 9. Support plate; 91. Groove; 10. Flame arrester. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0023] Embodiment:

[0024] like Figure 1-4As shown, the utility model provides a gas dispersing device, including an air inlet pipe 1, the tail end of the air inlet pipe 1 is connected with the air inlet hose 5, a connecting assembly 2 is arranged in the middle of the air inlet pipe 1, an air outlet pipe 6 is arranged at the top of the air inlet pipe 1, the air outlet pipe 6 and the air inlet pipe 1 are connected and fixed by a flange 4, an air outlet valve 7 and a monitoring valve 8 are sleeved in the middle of the air outlet pipe 6, the connecting assembly 2 includes a circular ring 21 sleeved on the outer side of the air inlet pipe 1, a convex block structure is arranged on the outer side of the circular ring 21, a circular hole structure is opened in the middle of the convex block, and a positioning pin 22 is arranged in the circular hole, both sides of the positioning pin 22 are movably arranged with a hinge head 31, the hinge head 31 is fixed to the top of the support leg 3, two groups of circular rings 21 and positioning pins 22 are sleeved on the outer side of the air inlet pipe 1, and a support plate 9 is movably arranged on the outer side of the group of positioning pins 22, and the support plate 9 is movably arranged with the support leg 3; by arranging for dispersing and replacing during ventilation, when When it is necessary to release, if the on-site valve is offset and the release valve is not in a good position, making it impossible to directly install the release pipe, the mobile air inlet rod can be connected through the air inlet hose 5, which can be directly connected to the valve release point, reducing the connection of pipeline accessories, reducing installation leakage points, and reducing underground installation operation time, thereby improving work efficiency and reducing underground operation risks; when the valve is located under a bridge or at the door of a shop, there is a certain safety risk in directly releasing or igniting a torch at the valve. The mobile air inlet pipe 1 and the air outlet pipe 6 are connected to the valve release point through the air inlet hose 5, and the valve is moved away from the bridge or the door of the shop to reduce the risk and improve safety. It can also be used for liquefied petroleum gas ventilation or gas type conversion. The mobile air inlet pipe 1 and the air outlet pipe 6 are connected through the connecting hose, which can be directly connected to the valve release point or the courtyard riser, and can be used as a low-pressure torch for ignition and combustion; a flame arrester 10 can also be added to ignite and burn as a medium-pressure torch.

[0025] In other embodiments, the outer side of each group of positioning pins 22 is fixed by a fastening nut; three groups of equidistant arrays of protrusions on the outer side of the ring 21 are arranged, and the hinge joint 31 is welded and fixed to the leg 3; a groove 91 whose size matches the size of the leg 3 is opened in the middle of the outer end of each group of support plates 9; the end of the monitoring valve 8 is kept in communication with the monitoring instrument; three groups of support plates 9 are arranged, and two pieces are arranged in each group; by setting up a connecting component 2-leg 3 structure, it is movable, retractable, small in size, easy to assemble, and convenient to carry by engineering vehicles, and convenient for rapid assembly and use on site. When used on site, multiple groups of leg 3 structures can be unfolded outward to a suitable angle and a stable state. The top of the leg 3 can be rotated through the movable connection relationship between the hinge seat and the positioning pin 22, and finally fixed in place by the locking nut, and the support plate 9 structure at the bottom can be clamped with the leg 3 through the groove 91, and can also be rotated through the hinge seat and the positioning pin 22, which is convenient for the storage and unfolding of the leg 3 and convenient for on-site use.

[0026] In other embodiments, Figure 5 and Figure 6As shown, a flame arrester 10 is provided between the flanges 4. The flame arrester 10 is a commercially available flame arrester, which is mainly used to prevent the flame from returning to the gas pipeline, thereby increasing the safety of the equipment.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A gas diffusion device, comprising an air inlet pipe (1), Features: The tail end of the air inlet pipe (1) is connected to the air inlet hose (5), a connecting assembly (2) is arranged in the middle of the air inlet pipe (1), an air outlet pipe (6) is arranged at the top of the air inlet pipe (1), the air outlet pipe (6) and the air inlet pipe (1) are connected and fixed by a flange (4), an air outlet valve (7) and a monitoring valve (8) are sleeved in the middle of the air outlet pipe (6), the connecting assembly (2) includes a circular ring (21) sleeved on the outside of the air inlet pipe (1), the circular ring The outer side of the air intake pipe (1) is provided with a convex block structure, and the middle part of the convex block is provided with a circular hole structure, and a positioning pin (22) is provided in the circular hole, and the two sides of the positioning pin (22) are movably arranged with a hinge joint (31), and the hinge joint (31) is fixed to the top end of the support leg (3), and the outer side of the air intake pipe (1) is provided with two groups of circular rings (21) and the positioning pin (22), and the outer side of the positioning pin (22) is movably provided with a support plate (9), and the support plate (9) is movably arranged with the support leg (3).

2. A gas diffusion device according to claim 1, Features: The outer sides of each group of positioning pins (22) are fixed by means of fastening nuts.

3. A gas diffusion device according to claim 1, Features: There are three groups of equidistant arrays of protrusions on the outer side of the circular ring (21), and the hinged joint (31) is fixed to the supporting leg (3) by welding.

4. A gas diffusion device according to claim 1, Features: A groove (91) having a size matching that of the supporting leg (3) is provided in the middle of the outer end of each group of supporting plates (9).

5. A gas diffusion device according to claim 1, Features: The end of the monitoring valve (8) is connected to the monitoring instrument.

6. A gas diffusion device according to claim 1, Features: The support plates (9) are arranged in three groups, and each group includes two plates.

7. A gas diffusion device according to claim 1, Features: A flame arrester (10) is arranged between the flanges (4).

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