CN210521612U

CN210521612U - Nitrogen fire extinguishing device

Info

Publication number: CN210521612U
Application number: CN201921478565.5U
Authority: CN
Inventors: 倪军; 曾宪松
Original assignee: Mingguang Haomiao Security And Protection Science & Technology Co ltd
Current assignee: Mingguang Haomiao Security And Protection Science & Technology Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-15
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a nitrogen gas extinguishing device, its include high-pressure nitrogen gas bottle, with the pressure relief device that high-pressure nitrogen gas bottle links to each other, pressure relief device is connected to diverging device through withstand voltage rubber tube, the diverging device shunting has the nitrogen gas release branch road subassembly of multiunit independent release nitrogen gas. High-pressure nitrogen in the high-pressure nitrogen bottle is conveyed to the pressure reducing device, the pressure reducing device reduces the pressure of the high-pressure nitrogen bottle into low-pressure nitrogen, the low-pressure nitrogen is distributed to a plurality of groups of nitrogen releasing branch assemblies capable of independently releasing nitrogen through the flow dividing device, and the nitrogen is sprayed into a space to be extinguished by each group of nitrogen releasing branch assemblies, so that the aim of suppressing extinguishment is fulfilled.

Description

Nitrogen fire extinguishing device

Technical Field

The utility model relates to an emergency rescue technical field, in particular to nitrogen gas extinguishing device.

Background

Present petroleum, chemical industry class enterprise possess a large amount of fixed top storage tanks, interior floating roof storage tank, and when this type of storage tank was caught fire in earlier stage, flame was inside the jar, and had the existence of outer tank deck, and current fire extinguishing equipment can't put out jar interior naked light, because of the oil of storage in the jar, hydrocarbon belong to easily fires explosive and dangerous article, the tank deck collapses the back, because of the air in the atmosphere gets into in the twinkling of an eye, the intensity of a fire must further increase, brings the huge degree of difficulty for putting out the conflagration. Once the fire is out of control, immeasurable loss is caused.

The conventional dry powder fire truck (a dry powder-foam combined fire truck and a water-dry powder combined fire truck) is provided with a nitrogen cylinder group, a dry powder tank and a dry powder injection device, but can not independently utilize vehicle-mounted high-pressure nitrogen to extinguish fire, and the on-duty utilization rate and fire-extinguishing and rescue efficiency of the vehicle type can be increased by additionally arranging an emergency nitrogen fire-extinguishing device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nitrogen gas extinguishing device aims at improving the utilization ratio on duty and the rescue efficiency of putting out a fire of the fire engine that carries high-pressure nitrogen cylinder.

In order to achieve the above object, the utility model provides a nitrogen gas extinguishing device, it includes: the device comprises a high-pressure nitrogen cylinder and a pressure reducing device connected with the high-pressure nitrogen cylinder, wherein the pressure reducing device is connected to a flow dividing device through a pressure-resistant rubber tube, and the flow dividing device is branched with a plurality of groups of nitrogen release branch assemblies capable of independently releasing nitrogen.

Further, the nitrogen release branch assembly comprises a connecting hose connected with the flow dividing device, a hard butt joint pipe arranged at the end head of the free end of the connecting hose, a connecting sleeve matched with the hard butt joint pipe, and a nitrogen release pipe connected with the connecting sleeve.

Further, the pipe head of the nitrogen release pipe is of a hook type.

Further, the hard butt joint pipe and the connecting sleeve are both steel pipelines.

Furthermore, the flow dividing device is provided with gas circuit valves corresponding to each group of the nitrogen release branch assemblies.

Further, the gas circuit valve is a manual valve.

Further, the pressure reducing device, the flow dividing device and the nitrogen release branch assembly are contained in a portable containing box, and the portable containing box is connected with the high-pressure nitrogen bottle through a pressure-resistant rubber tube with a preset length.

Further, the pressure reducing device comprises a pipe frame used for connecting the high-pressure nitrogen bottles, and the pipe frame is provided with pipe orifices which can be connected with the high-pressure nitrogen bottles simultaneously.

The technical scheme of the utility model in, carry to the pressure relief device in through the high-pressure nitrogen gas with in the high-pressure nitrogen gas bottle, become low pressure nitrogen gas by the pressure relief device decompression, the rethread flow divider distributes the nitrogen gas release branch subassembly that the multiunit can independently release nitrogen gas, by every group nitrogen gas release branch subassembly with nitrogen gas blowout to the space of putting out a fire in to reach the mesh that the suppression was put out a fire.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a nitrogen fire-extinguishing device provided by the present invention;

fig. 2 is a schematic structural view of another nitrogen fire-extinguishing device provided by the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Please refer to fig. 1, fig. 1 is a schematic flow diagram of a nitrogen fire-extinguishing device provided by the present invention, which includes a high-pressure nitrogen cylinder 1, a pressure-reducing device 2 connected to the high-pressure nitrogen cylinder 1, the pressure-reducing device 2 is connected to a flow-dividing device 4 through a pressure-resistant rubber tube 3, and the flow-dividing device 4 is branched with a plurality of groups of nitrogen release branch assemblies capable of independently releasing nitrogen.

Specifically, high-pressure nitrogen in a high-pressure nitrogen cylinder 1 is conveyed into a pressure reducing device 2, the pressure reducing device 2 reduces the pressure of the high-pressure nitrogen into low-pressure nitrogen, the low-pressure nitrogen is distributed to a plurality of groups of nitrogen releasing branch assemblies capable of independently releasing the nitrogen through a flow distribution device 4, and the nitrogen is sprayed into a space to be extinguished by each group of nitrogen releasing branch assemblies, so that the aim of suppressing extinguishment is fulfilled.

In one embodiment, the nitrogen release bypass assembly comprises a connection hose 5 connected to the diverter 4, a hard butt pipe 6 disposed at the free end of the connection hose, a coupling sleeve 7 fitted to the hard butt pipe 6, and a nitrogen release pipe 8 connected to the coupling sleeve.

In one embodiment, the head of the nitrogen release tube 8 is hook-shaped.

In one embodiment, the hard butt joint pipe 6 and the coupling sleeve 7 are steel pipes.

Specifically, each group of nitrogen release branch assemblies comprises a connecting hose 5, a hard butt joint pipe 6 arranged at the end of the free end of the connecting hose 5, a connecting sleeve 7 matched with the hard butt joint pipe 6 and a nitrogen release pipe 8 connected with the connecting sleeve, wherein the connecting hose 5 can be preset to be longer in length, then can be accommodated and rolled up, and can be freely stretched to be preset in length when needed, so that the requirement that the nitrogen release pipe 8 is moved to a needed fire extinguishing part is met. In a specific implementation, the connection hose 5 and the nitrogen release tube 8 may be provided as a detachable assembly, which is docked, in rapid communication, with each other by means of a rigid docking tube 6 and a coupling sleeve 7. In a specific implementation, the hard docking pipe 6 and the coupling sleeve 7 may for example be made of steel material and the head of the nitrogen release pipe 8 may for example be provided with a hook-type shape.

In an embodiment, the flow dividing device 4 is provided with a gas path valve corresponding to each group of nitrogen release branch assemblies.

In one embodiment, the gas circuit valve is a manual valve.

Specifically, the flow dividing device 4 is provided with corresponding gas circuit valves for each group of nitrogen release branch assemblies so as to control the opening and closing of the pipeline, and one or more groups of nitrogen release branches can be selectively used for fire extinguishing. In a specific implementation, the gas circuit valve can be set as a manual valve, for example, to meet the needs of various situations on site.

Referring to fig. 2, in an embodiment, the pressure reducing device 2, the flow dividing device 4 and the nitrogen releasing branch assembly are all contained in a portable container 10, and the portable container 10 is connected to the high pressure nitrogen cylinder 1 through a pressure-resistant rubber hose 11 with a preset length.

Specifically, for example, the pressure reducing device 2, the flow dividing device 4, and the nitrogen gas discharge branch line assembly are all housed in the portable housing box 10 to form a movable complete equipment, and the complete equipment is connected to the high-pressure nitrogen gas cylinder 1 through the pressure-resistant rubber tube 11, so that the complete equipment can be conveniently moved to a predetermined position for fire extinguishing operation when in use. In particular, the pressure reducing device 2 and the flow dividing device 4 can also be fixedly arranged in a fire fighting truck such as a dry powder fire fighting truck, and only the nitrogen release branch assembly is arranged as a movable assembly and is connected with the fire fighting truck through a connecting hose.

In one embodiment, the pressure reducing device 2 comprises a pipe frame 21 for connecting the high-pressure nitrogen gas cylinders 1, and the pipe frame 21 is provided with pipe orifices which can be connected with a plurality of high-pressure nitrogen gas cylinders 1 at the same time.

Specifically, the pressure reducing device 2 includes a pipe frame 21 for connecting the high-pressure nitrogen gas cylinders 1, a plurality of connecting pipe orifices are provided on the pipe frame 21, and each pipe orifice can be connected with one high-pressure nitrogen gas cylinder 1, so that the pressure reducing device 2 can be connected with a plurality of high-pressure nitrogen gas cylinders 1 at the same time to improve the efficiency of nitrogen gas transportation.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A nitrogen fire suppression apparatus, comprising: the device comprises a high-pressure nitrogen cylinder and a pressure reducing device connected with the high-pressure nitrogen cylinder, wherein the pressure reducing device is connected to a flow dividing device through a pressure-resistant rubber tube, and the flow dividing device is branched with a plurality of groups of nitrogen release branch assemblies capable of independently releasing nitrogen.

2. The nitrogen fire suppression apparatus of claim 1, wherein the nitrogen discharge branch assembly comprises a connection hose connected to the flow divider, a hard butt pipe provided at a free end of the connection hose, a coupling sleeve fitted to the hard butt pipe, and a nitrogen discharge pipe connected to the coupling sleeve.

3. Nitrogen fire-extinguishing apparatus according to claim 2, characterised in that the head of the nitrogen-releasing pipe is of hook-type.

4. A nitrogen fire suppression apparatus as recited in claim 2, wherein the hard butt joint pipe and the coupling sleeve are both steel pipes.

5. The nitrogen fire extinguishing apparatus of claim 1, wherein the flow divider is provided with gas path valves corresponding to each set of the nitrogen release branch assemblies.

6. The nitrogen fire suppression apparatus of claim 5, wherein the gas circuit valve is a manual valve.

7. The nitrogen fire-extinguishing apparatus according to claim 1, wherein the pressure-reducing device, the flow dividing device and the nitrogen release branch assembly are contained in a portable containing box, and the portable containing box is connected with the high-pressure nitrogen cylinder through a pressure-resistant rubber tube with a preset length.

8. A nitrogen fire-extinguishing apparatus as defined in claim 1, wherein said pressure-reducing means comprises a pipe frame for connecting high-pressure nitrogen cylinders, said pipe frame being provided with nozzles capable of connecting to a plurality of high-pressure nitrogen cylinders simultaneously.