CN216725610U

CN216725610U - Pressure-storage-free large-capacity fire extinguishing tank

Info

Publication number: CN216725610U
Application number: CN202220018747.XU
Authority: CN
Inventors: 埃德加·罗伯特·索利斯·佩雷斯
Original assignee: Putaifar Langfang Fire Technology Co ltd
Current assignee: Putaifar Langfang Fire Technology Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-06-14
Anticipated expiration: 2032-01-05

Abstract

The utility model provides a pressure-storage-free large-capacity fire extinguishing tank, relates to the technical field of fire extinguishing, mainly aims to solve the problem of insufficient space application in fire extinguishers in the prior art, and provides fire extinguishing equipment which is convenient to use, store and transport and can contain more fire extinguishing agents. The pressure-storage-free large-capacity fire extinguishing tank comprises a tank body and a valve seat, wherein an opening is formed in the upper end of the tank body, and a liquid fire extinguishing agent is filled in the tank body; the valve seat is positioned at the opening and can seal the opening, an air inlet channel and a liquid guide channel which can be communicated with the external environment and the tank body are arranged on the valve seat, the air inlet channel and the liquid guide channel are both independently arranged and are communicated with a guide pipe positioned in the tank body, and the other end of the guide pipe extends into the fire extinguishing agent; when the outside air enters the tank body through the air inlet channel, the fire extinguishing agent can be sprayed out through the guide pipe and the liquid guide channel.

Description

Pressure-storage-free large-capacity fire extinguishing tank

Technical Field

The utility model relates to the technical field of fire fighting, in particular to a pressure-storage-free large-capacity fire extinguishing tank.

Background

As is well known, among various disasters, a fire disaster is one of the main disasters which most often and most generally threaten public safety and social development, and with the continuous development of society, the social wealth is increased, meanwhile, the risk of fire disaster is also increased, and the hazard of the fire disaster is also increased. Practice proves that along with the development of society and economy, the importance of fire fighting work is more and more prominent. The most common fire extinguishing device is the fire extinguisher. The fire extinguishers are of various types and are divided into the following according to the fire extinguishing agents filled in the fire extinguishers: water-based fire extinguishers, dry powder fire extinguishers, carbon dioxide fire extinguishers and clean gas fire extinguishers. According to the pressure type of driving the fire extinguisher, the fire extinguisher is divided into: gas storage cylinder type fire extinguishers and pressure storage type fire extinguishers. The moving mode can be divided into: hand-held and cart-based; the power sources for driving the fire extinguishing agent can be divided into: gas storage bottle type, pressure storage type, chemical reaction type; the fire extinguishing agent filled in the fire extinguishing agent can be divided into: foam, dry powder, alkyl halide, carbon dioxide, acid-base, clear water and the like.

In summary, the tank fire extinguishers in the existing market mostly need two types of artificial mixed use and built-in compressed gas use, wherein chemical reagents are built in, and fire extinguishing agents need artificial mixed use; in a similar way, the fire extinguisher with the inside stamping is not enough in the application of the inner space of the tank due to the built-in high-pressure structure required in the fire extinguisher, and meanwhile, the fire extinguisher also has certain potential safety hazards in storage and transportation.

Therefore, in order to solve the above problems, it is necessary to develop a new fire extinguisher structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure-storage-free large-capacity fire extinguishing tank to solve the technical problem that the space in a fire extinguisher in the prior art is not sufficiently applied. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

In order to achieve the purpose, the utility model provides the following technical scheme:

the pressure-storage-free large-capacity fire extinguishing tank comprises a tank body and a valve seat, wherein an opening is formed in the upper end of the tank body, and a liquid fire extinguishing agent is filled in the tank body; the valve seat is positioned at the opening and can seal the opening, an air inlet channel and a liquid guide channel which can be communicated with the external environment and the tank body are arranged on the valve seat, the air inlet channel and the liquid guide channel are both independently arranged and are communicated with a guide pipe positioned in the tank body, and the other end of the guide pipe extends into the fire extinguishing agent; when outside air enters the tank body through the air inlet channel, the fire extinguishing agent can be sprayed out through the guide pipe and the liquid guide channel.

The tank body is not provided with a structure for space separation, the liquid fire extinguishing agent is directly filled in the tank body, and the space utilization rate in the tank body is higher. When the pressure-boosting fire extinguishing tank is used, the pressure-boosting treatment is carried out in a gas input mode through the gas inlet channel connected with the external environment and towards the interior of the tank body, so that the liquid fire extinguishing agent in the tank is squeezed and discharged through the liquid guide channel. The space in this no pressure storage large capacity fire extinguishing tank can obtain make full use of this moment, has also effectively improved this fire extinguishing tank's security simultaneously.

On the basis of the technical scheme, the utility model can be further improved as follows.

As a further improvement of the utility model, the air inlet channel and/or the liquid guide channel are both of L-shaped structures.

As a further development of the utility model, the conduit is a flexible bellows.

As a further development of the utility model, a removable cover is provided at the end of the inlet channel directed to the environment.

As a further improvement of the utility model, a pressure switch is further arranged on the valve seat and used for detecting the pressure in the liquid guide channel.

As a further improvement of the utility model, a pressure detection channel is further arranged on the valve seat and is communicated with the pressure switch and the liquid guide channel.

As a further improvement of the utility model, the liquid guide device further comprises an indicating button, wherein the indicating button is embedded in the upper surface of the valve seat, the lower end of the indicating button is connected with the liquid guide channel, and the indicating button can move up and down relative to the valve seat.

As a further improvement of the utility model, a step hole communicated with the top end of the valve seat is arranged on the liquid guide channel, and the indicating button is arranged on the step hole in a penetrating way.

As a further improvement of the utility model, a fixed bracket is also arranged on the outer periphery of the tank body.

As a further improvement of the utility model, the valve seat is further provided with a spray pipe, the spray pipe is positioned on the outer side wall of the valve seat and communicated with the liquid guide channel, and the liquid conveyed to the liquid guide channel through the guide pipe can be sprayed out through the spray pipe.

As a further improvement of the utility model, the valve seat is externally connected with a fire extinguishing pipeline, the fire extinguishing pipeline is communicated with the liquid guide channel, and the liquid conveyed to the liquid guide channel through the guide pipe can flow into the fire extinguishing pipeline.

Compared with the prior art, the pressure-storage-free large-capacity fire extinguishing tank provided by the preferred embodiment of the utility model only contains one fire extinguishing agent, and the fire extinguishing agent can be sprayed out immediately after being triggered without manual mixing and waiting for reaction; the fire extinguishing tank does not contain pressure, and has extremely high safety during storage and transportation; in addition, the structure of the pressure-storage-free large-capacity fire extinguishing tank is simple, and the interior of the tank body can be basically used for filling fire extinguishing agents, so that the fire extinguishing tank has high space utilization rate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.

FIG. 1 is a schematic view showing the overall structure of a non-pressure-storage large-capacity fire-extinguishing tank of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a perspective view of the valve seat of FIG. 1;

FIG. 4 is a cross-sectional view of the valve seat of FIG. 3 in the direction A-A;

FIG. 5 is a cross-sectional view of the valve seat of FIG. 3 taken in the direction B-B;

fig. 6 is a sectional structure view of the valve seat of fig. 3.

In the figure: 1. a tank body; 11. an opening; 12. a conduit; 2. a valve seat; 21. an air intake passage; 22. a drainage channel; 221. a stepped bore; 23. a pressure detection channel; 3. a pressure switch; 4. an indication button; 5. and fixing the bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

FIG. 1 is a schematic view of the overall structure of a pressure-storage-free large-capacity fire extinguishing tank of the present invention; as can be seen from the figure, the fire extinguishing tank integrally comprises a tank body and a valve seat, wherein a fixing support for fixing the tank body is sleeved on the outer peripheral side of the tank body, the valve seat is positioned at the upper end of the tank body, a pressure switch and an indicating button are arranged on the valve seat, and in addition, two channels, namely an air inlet channel and a liquid guide channel, are also arranged on the valve seat.

FIG. 2 is a schematic cross-sectional view of FIG. 1; it can be clearly seen from the figure that at the moment, the air inlet channel and the liquid guide channel are respectively and independently arranged and are both L-shaped structures, one end of the air inlet channel is communicated with the outer side of the valve seat, the other end of the air inlet channel is communicated with the guide pipe positioned in the tank body, an indicating button is further arranged in the air inlet channel, the indicating button is embedded on the surface of the valve seat through a stepped hole, and when liquid flows through the position of the indicating button, the indicating button can move towards the upper part of the valve seat under the pushing of the liquid and is protruded relative to the valve seat, so that the using state of the fire extinguishing tank is indicated.

FIG. 3 is a perspective view of the valve seat of FIG. 1, FIG. 4 is a cross-sectional view of the valve seat of FIG. 3 taken along A-A, and FIG. 5 is a cross-sectional view of the valve seat of FIG. 3 taken along B-B; the specific structure of the indicating button positioned at the step hole can be clearly seen, meanwhile, two independent channel structures are arranged in the valve seat, a hole for inserting a pressure switch is also arranged on the valve seat, and the hole is communicated with the flow guide channel through a pressure detection channel.

The technical solution of the present invention will be specifically described below with reference to the accompanying drawings.

The utility model provides a pressure-storage-free large-capacity fire extinguishing tank, which comprises a tank body 1 and a valve seat 2, wherein an opening 11 is formed in the upper end of the tank body 1, and liquid fire extinguishing agent is filled in the tank body 1; the valve seat 2 is positioned at the opening 11 and can seal the opening 11, the valve seat 2 is provided with an air inlet channel 21 and a liquid guide channel 22 which can communicate the external environment and the inside of the tank body 1, the air inlet channel 21 and the liquid guide channel 22 are both independently arranged, the liquid guide channel 22 is communicated with a conduit 12 positioned in the tank body 1, and the other end of the conduit 12 extends into the fire extinguishing agent, as shown in fig. 2; when the external air enters the tank body 1 through the air inlet passage 21, the fire extinguishing agent can be sprayed out through the guide pipe 12 and the liquid guide passage 22.

It should be noted that the air intake passage 21 and the liquid guide passage 22 are provided independently and do not communicate with each other. In order to improve the space utilization rate, a structure for separating the space does not exist in the tank body 1 of the fire extinguishing tank, and the liquid fire extinguishing agent is directly filled in the tank body 1. When in use, the air inlet channel 21 connected with the external environment is used for pressurizing the tank body 1 in a gas input mode, so that the liquid fire extinguishing agent in the tank is extruded to be discharged through the liquid guide channel 22. The space in this fire extinguishing tank can obtain make full use of this moment, has also effectively improved this fire extinguishing tank's security simultaneously.

In other words, when the non-pressure-storage large-capacity fire extinguishing tank is used, the inside of the tank body 1 can be pressurized by inputting external high-pressure inert gas or nitrogen gas into the tank body 1 through the air inlet channel 21, in the process, the liquid fire extinguishing agent in the tank body 1 flows out from the conduit 12 under the action of high pressure, and the flowing fire extinguishing agent flows out of the tank body 1 through the liquid guide channel 22 to realize the spraying of the fire extinguishing agent.

For convenience, the liquid guide channel 22 can be externally connected with a spray pipe, the spray pipe is positioned on the outer side wall of the valve seat 2 and is communicated with the liquid guide channel 22, and liquid conveyed to the liquid guide channel 22 through the guide pipe 12 can be sprayed out through the spray pipe; alternatively, the fluid conducting channel 22 may be externally connected to a fire extinguishing pipe, the fire extinguishing pipe is communicated with the fluid conducting channel 22, and the fluid transported to the fluid conducting channel 22 through the conduit 12 can flow into the fire extinguishing pipe.

The fire extinguishing agent is sprayed to the fire point under the action of the spray pipe or the fire extinguishing pipeline.

As an alternative embodiment, the intake passage 21 and/or the drain passage 22 are both L-shaped structures, as shown in fig. 2, and both ends of the intake passage 21 and the drain passage 22 are respectively located at both sides of the valve seat 2.

As an alternative embodiment, the conduit 12 is a flexible bellows, and the conduit 12 is a delivery channel for the fire suppressant.

As an alternative embodiment, a removable cover is arranged at one end of the air inlet channel 21 pointing to the external environment, and in a static state, the cover can be used for closing the air inlet channel 21 so as to prevent external air from polluting the fire extinguishing agent in the tank body 1; when the use is needed, the sealing cover is removed.

In order to facilitate monitoring and understanding of the use of the fire extinguishing tank, as an alternative embodiment, a pressure switch 3 is further arranged on the valve seat 2, and the pressure switch 3 is used for detecting the pressure in the liquid guide channel 22.

Specifically, a pressure detection passage 23 is provided in the valve seat 2, and when the pressure switch 3 is inserted into the valve seat 2, the pressure detection passage 23 can communicate the pressure switch 3 and the liquid guide passage 22. When the extinguishing agent flows out through the liquid guiding channel 22, the pressure switch 3 can detect the corresponding pressure condition through the pressure detecting channel 23 connected with the liquid guiding channel 22.

Further, the pressure switch 3 is connected with a corresponding PLC single chip microcomputer in a wired or wireless mode, and the pressure condition detected by the pressure switch 3 can be acquired by the single chip microcomputer at the moment.

As an optional embodiment, the liquid guide valve further comprises an indicating button 4, the indicating button 4 is embedded in the upper surface of the valve seat 2, the lower end of the indicating button 4 is connected with the liquid guide channel 22, and the indicating button 4 can move up and down relative to the valve seat 2.

Specifically, the liquid guide channel 22 is provided with a stepped hole 221 communicated with the top end of the valve seat 2, the indication button 4 penetrates through the stepped hole 221, when liquid flows through the liquid guide channel 22, the indication button 4 can move towards the upper part of the valve seat 2 under the action of the liquid, at this moment, the indication button 4 appears to move upwards relative to the valve seat 2, and at this moment, the indication button 4 protrudes relative to the valve seat 2.

The operator can help judge whether the non-pressure-storage large-capacity fire extinguishing tank is in a use state by observing the position of the indication button 4.

It should be noted that, the above-mentioned indication button 4 may be an integral structure, or may be a split structure, and when it is a split structure, the upper and lower portions of the button may be connected together by clamping or pasting to be fixed on the valve seat 2 through the stepped hole 221, so as to ensure that the button will not fall off from the valve seat 2.

As shown in fig. 3-6, the valve seat 2 has four independent conducting structures, namely an air inlet channel 21, a liquid guide channel 22, a pressure detection channel 23 and a stepped hole 221, through special design shapes, which do not interfere with each other when in use and can complete corresponding functions according to the air pressure change in the tank 1.

As an alternative embodiment, a fixing bracket 5 is further arranged on the outer periphery side of the tank body 1. The extinguishing chamber can be fixed in position by means of a fixing bracket 5.

The fire extinguishing agent is formed by combining an active agent and an antifreezing agent, can effectively wet solid and liquid surfaces, and has a good fire extinguishing effect, such as perfluorohexanone, heptafluoropropane and the like.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A pressure-storage-free large-capacity fire extinguishing tank is characterized by comprising:

the fire extinguishing tank comprises a tank body (1), wherein an opening (11) is formed in the upper end of the tank body (1), and a liquid fire extinguishing agent is filled in the tank body;

the fire extinguishing device comprises a valve seat (2), wherein the valve seat (2) is positioned at the opening (11) and can seal the opening (11), an air inlet channel (21) and a liquid guide channel (22) which can be communicated with the external environment and the inside of the tank body (1) are arranged on the valve seat (2), the air inlet channel (21) and the liquid guide channel (22) are arranged independently, the liquid guide channel (22) is communicated with a guide pipe (12) positioned in the tank body (1), and the other end of the guide pipe (12) extends into a fire extinguishing agent;

when the outside air enters the tank body (1) through the air inlet channel (21), the fire extinguishing agent can be sprayed out through the guide pipe (12) and the liquid guide channel (22).

2. Pressure-storage large-capacity fire extinguishing tank according to claim 1, characterized in that the air inlet channel (21) and/or the liquid guide channel (22) are of L-shaped structure.

3. A pressure-storage-free large-capacity fire extinguishing tank as claimed in claim 1, characterized in that the conduit (12) is a flexible bellows.

4. Pressure-storage large-capacity fire extinguishing tank according to claim 1, characterized in that the air intake channel (21) is provided with a removable cover at the end pointing to the outside environment.

5. A pressure-accumulating large-capacity fire extinguishing tank as claimed in claim 1, wherein a pressure switch (3) is further arranged on the valve seat (2), and the pressure switch (3) is used for detecting the pressure in the liquid guide channel (22).

6. The pressure-accumulating large-capacity fire extinguishing tank as claimed in claim 5, wherein the valve seat (2) is further provided with a pressure detection channel (23), and the pressure detection channel (23) is communicated with the pressure switch (3) and the liquid guide channel (22).

7. The non-pressure-storage large-capacity fire extinguishing tank as recited in claim 1, characterized by further comprising an indicating button (4), wherein the indicating button (4) is embedded in the upper surface of the valve seat (2) and the lower end of the indicating button (4) is connected with the liquid guide channel (22), and the indicating button (4) can move up and down relative to the valve seat (2).

8. The pressure-storage-free large-capacity fire extinguishing tank as claimed in claim 7, wherein the liquid guide channel (22) is provided with a stepped hole (221) communicated with the top end of the valve seat (2), and the indicating button (4) is arranged on the stepped hole (221) in a penetrating manner.

9. A non-pressure-storage large-capacity fire extinguishing tank as claimed in claim 1, characterized in that the tank body (1) is further provided with a fixing bracket (5) at the outer circumference side.

10. The pressure-storage-free large-capacity fire extinguishing tank as claimed in claim 1, wherein a spray pipe is further arranged on the valve seat (2), the spray pipe is positioned on the outer side wall of the valve seat (2) and communicated with the liquid guide channel (22), and the liquid conveyed to the liquid guide channel (22) through the guide pipe (12) can be sprayed out through the spray pipe;

or, external fire extinguishing pipe of valve seat (2), fire extinguishing pipe with drain channel (22) communicate with each other, the warp pipe (12) carry to the liquid energy of drain channel (22) can flow to in the fire extinguishing pipe.