Non-pressure-storage type perfluorohexanone fire extinguishing device
By using a non-pressurized perfluorohexanone fire extinguishing device, which combines a liquid storage tank and a centrifugal pump inside the cabinet, the automated delivery and rapid vaporization of perfluorohexanone are achieved. This solves the space and maintenance problems of pressurized devices and provides an efficient and environmentally friendly fire extinguishing solution.
Patent Information
- Application Number
- CN202422890353.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing perfluorohexanone fire extinguishing devices use a pressurized design, which results in large space requirements, high maintenance costs, and inconvenient replacement and maintenance of high-pressure cylinders, thus hindering their widespread use.
It adopts a non-pressurized design, using a liquid storage tank inside the cabinet to store liquid perfluorohexanone, and delivers the extinguishing agent through a centrifugal pump and pipeline system. Combined with the electrical control box and automatic control, it realizes the automatic release and rapid vaporization of the extinguishing agent, and has the function of agent leakage pressure feedback.
It achieves faster and more efficient fire extinguishing, has a compact structure, occupies a small area, has low manufacturing and maintenance costs, is environmentally friendly and clean, and has a highly automated fire extinguishing effect.
Smart Images
Figure CN223516850U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire extinguishing technology field, concretely is a non -pressure type perfluorocyclohexanone fire extinguishing device. BACKGROUND
[0002] Perfluorocyclohexanone is a new type of extinguishing agent, and has been applied in a certain range at home and abroad. At present, the perfluorocyclohexanone extinguishing system adopts a pressure storage type fire extinguishing device, which drives the perfluorocyclohexanone delivery through the high-pressure nitrogen gas of a high-pressure bottle group. However, the high-pressure bottle group occupies a large space, has a high storage pressure, and is inconvenient to install and maintain, and the nitrogen gas needs to be filled by a specially qualified unit or the whole bottle group needs to be replaced, which results in high manufacturing and maintenance costs of the device and affects the promotion and use of perfluorocyclohexanone to some extent. Therefore, there is an urgent need to develop a perfluorocyclohexanone fire extinguishing device with compact structure, high automation and better fire extinguishing effect. SUMMARY
[0003] The utility model aims at providing a non -pressure type perfluorocyclohexanone fire extinguishing device to solve the problems in the above background technology.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] A non -pressure type perfluorocyclohexanone fire extinguishing device, comprising a cabinet body, the cabinet body includes a top cover, a back door plate and two side plates, a plurality of air holes are arranged on the bottom of the front surface of the cabinet body, a front door plate is movably connected to the front surface of the cabinet body above the air holes, a button assembly and an indicator light assembly are arranged on the surface of the front door plate, a liquid storage tank is arranged inside the cabinet body below the top cover, an electric control box is fixed to the front side of the liquid storage tank through a fixing plate, a centrifugal pump is arranged below the electric control box, the left side of the centrifugal pump is an inlet end, and the right side is an outlet end, a first connecting hose is connected to the outlet of the bottom of the liquid storage tank through a valve assembly, the other end of the first connecting hose is connected to a pump inlet pipe, the other end of the pump inlet pipe is connected to the inlet end of the centrifugal pump, a cabinet outlet pipe is arranged inside the cabinet body left rear of the liquid storage tank, the cabinet outlet pipe is vertically arranged, and the top end of the cabinet outlet pipe penetrates to the outside of the cabinet body upward, a pump outlet pipe is connected to the outlet end of the centrifugal pump, the other end of the pump outlet pipe is connected to the bottom end of the cabinet outlet pipe through a second connecting hose, and the centrifugal pump is a multistage centrifugal pump.
[0006] As a preferred scheme of the utility model, the valve assembly comprises a manual ball valve, a tee joint and an electric ball valve, the manual ball valve and the electric ball valve are connected through the tee joint, the top end of the manual ball valve is connected to the outlet of the bottom of the liquid storage tank, and the bottom end of the electric ball valve is connected to the top end of the first connecting hose.
[0007] As a further preferred scheme of the utility model: first pressure transmitter, pressure gauge and check valve are equipped on the pump liquid outlet pipeline in turn along liquid flow direction.
[0008] As a further preferred scheme of the utility model: the liquid storage tank top is equipped with liquid adding quick change joint, and the liquid storage tank top is also equipped with air suction valve and safety valve.
[0009] As a further preferred scheme of the utility model: the pump liquid inlet pipeline and the pump liquid outlet pipeline are fixed in the cabinet inner bottom wall through plastic pipe clamp.
[0010] As a further preferred scheme of the utility model: the liquid storage tank bottom is equipped with second pressure transmitter.
[0011] As a further preferred scheme of the utility model: the button assembly includes start button and emergency stop button, and the indicating lamp assembly includes power lamp, fault lamp, operation lamp and sound and light alarm lamp.
[0012] Compared with the prior art, the utility model has the advantages that the perfluorocyclohexanone extinguishing agent is stored in the liquid storage tank in liquid form under normal pressure, when spraying, the centrifugal pump is started, and is transported to the top pipe orifice of the cabinet liquid outlet pipe through each pipeline of the cabinet, and then is transported to the spray head at the release end through the external pipeline, rapidly vaporizes, and simultaneously absorbs heat efficiently and quickly, so that the ambient temperature around the burning material in the protection area is reduced, the extinguishing agent has the triple effects of physical cooling, oxygen concentration reduction and chemical inhibition, is more environmentally friendly and clean to the environment, the device is composed of an electric control box, a liquid storage tank storing perfluorocyclohexanone, a centrifugal pump, a valve assembly and a conveying pipeline, the conveying pipeline refers to a first connecting hose, a second connecting hose, a pump liquid inlet pipeline, a pump liquid outlet pipeline and a cabinet liquid outlet pipe, has high automation degree, can realize automatic starting of the system according to the set program, carries out intermittent spraying or continuous spraying, suppresses the fire, and has faster extinguishing speed and higher efficiency; and the device discards the traditional high-pressure bottle group, adopts a cabinet type structure design, a non-pressure storage design, has a medicament leakage pressure feedback function, has compact structure, small floor area, and low manufacturing and maintenance costs, and is worth promoting and using. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the front view of the whole structure of the utility model;
[0014] Figure 2 It is Figure 1 the A-A direction section view in the utility model;
[0015] Figure 3 It is Figure 1 the B-B direction section view.
[0016] Wherein: 1-cabinet, 2-button assembly, 3-second connecting hose, 4-indicator light assembly, 5-one-way valve, 6-pressure gauge, 7-front door plate, 8-cabinet outflow pipe, 9-liquid filling quick-change connector, 10-pump outflow pipeline, 11-top cover, 12-liquid storage tank, 13-rear door plate, 14-second pressure transmitter, 15-hand-operated ball valve, 16-three-way joint, 17-electric ball valve, 18-first connecting hose, 19-pump inflow pipeline, 20-first pressure transmitter, 21-centrifugal pump, 22-electric control box, 23-fixing plate, 24-plastic pipe clamp. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. In the description of the utility model, it should be explained that unless otherwise clearly specified and limited, the terms "mounting", "connecting" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0018] Please refer to Figures 1-3 In the embodiments of the utility model, a non-pressure storage type perfluorohexanone fire extinguishing device includes a cabinet 1, the cabinet 1 includes a top cover 11, a rear door plate 13 and two side plates, a plurality of air vents are arranged on the bottom of the front surface of the cabinet 1, a front door plate 7 is movably connected to the front surface of the cabinet 1 above the air vents, a button assembly 2 and an indicator light assembly 4 are arranged on the surface of the front door plate 7, a liquid storage tank 12 is arranged inside the cabinet 1 below the top cover 11, an electric control box 22 is fixed to the front side of the liquid storage tank 12 through a fixing plate 23, a centrifugal pump 21 is arranged below the electric control box 22, the left side of the centrifugal pump 21 is an inflow end, and the right side is an outflow end, a first connecting hose 18 is connected to the outflow port of the bottom of the liquid storage tank 12 through a valve assembly, the other end of the first connecting hose 18 is connected to a pump inflow pipeline 19, the other end of the pump inflow pipeline 19 is connected to the inflow end of the centrifugal pump 21, a cabinet outflow pipe 8 is arranged inside the cabinet 1 left rear of the liquid storage tank 12, the cabinet outflow pipe 8 is vertically arranged, and the top end of the cabinet outflow pipe 8 penetrates to the outside of the cabinet 1 upward, a pump outflow pipeline 10 is connected to the outflow end of the centrifugal pump 21, and the other end of the pump outflow pipeline 10 is connected to the bottom end of the cabinet outflow pipe 8 through a second connecting hose 3.
[0019] The button assembly 2 includes a start button and an emergency stop button, which is used for starting the device when a fire occurs or stopping the device when the device is abnormal, the indicator light assembly 4 includes a power light, a fault light, a running light and a sound and light alarm light, which is convenient for the operator to observe and understand the running state of the device in real time, and is convenient to use.
[0020] The centrifugal pump 21 is a multi-stage centrifugal pump, which is a vertical structure and has the characteristics of small floor area, and has the advantages of high efficiency, energy saving, wide performance range, stable operation, convenient installation and maintenance, etc.
[0021] The valve assembly comprises a manual ball valve 15, a tee joint 16 and an electric ball valve 17, the manual ball valve 15 and the electric ball valve 17 are connected through the tee joint 16, the top end of the manual ball valve 15 is connected with the liquid outlet at the bottom of the liquid storage tank 12, and the bottom end of the electric ball valve 17 is connected with the top end of the first connecting hose 18; the electric ball valve 17 is controlled by the electric device, and can be automatically controlled by remote control, and has a fast operation response speed, the manual ball valve 15 needs manual operation, that is, the device has both electric and manual functions, so as to be used according to actual needs, and the device has small limitation and high applicability.
[0022] The first pressure transmitter 20 is arranged on the pump outlet pipeline 10 in the liquid flow direction, and the pump outlet pipeline 10 is sequentially provided with a pressure gauge 6 and a check valve 5; the first pressure transmitter 20 is used for detecting the pressure at the liquid outlet and feeding back the pressure value to the controller in real time, if the pressure cannot meet the use requirement, it indicates that there is a risk of leakage of the device medicament, so the device has a medicament leakage pressure feedback function.
[0023] The bottom of the liquid storage tank 12 is provided with a second pressure transmitter 14, which detects the liquid amount of the liquid storage tank 12 in real time, and can alarm when the liquid level is low to remind the staff to add liquid.
[0024] The top of the liquid storage tank 12 is provided with a liquid adding quick change joint 9; the liquid adding quick change joint 9 can quickly, simply and safely repeatedly connect and disconnect the fluid pipeline, so that the liquid can be efficiently transported, the working efficiency is improved, and the liquid storage tank 12 is facilitated to add liquid; the top of the liquid storage tank 12 is also provided with an air suction valve and a safety valve, when the centrifugal pump 21 starts to extract liquid, the air suction valve ensures that no negative pressure is formed in the liquid storage tank 12, and the internal pressure formed after the perfluorohexanone is vaporized under high temperature is discharged in time through the safety valve, so as to ensure the safety of the tank body.
[0025] The pump inlet pipeline 19 and the pump outlet pipeline 10 are fixed to the inner bottom wall of the cabinet body 1 through the plastic pipe clamp 24, when the liquid in the pipeline flows at high speed, the plastic pipe clamp 24 effectively ensures the stability of the pump inlet pipeline 19 and the pump outlet pipeline 10.
[0026] Specifically, the top end of the cabinet liquid outlet pipe 8 in the device located outside the cabinet 1 can be connected to the spray head of the external pipeline in the protection area. The perfluorocyclohexanone extinguishing agent is stored in the liquid tank 12 in liquid form at normal pressure. When spraying, the centrifugal pump 21 is started, and the extinguishing agent is transported to the top end of the cabinet liquid outlet pipe 8 through the pipelines in the cabinet 1, and then transported to the spray head at the release end through the external pipeline, and then rapidly vaporized, while absorbing heat efficiently and quickly, thereby reducing the ambient temperature around the burning material in the protection area. The extinguishing agent has the triple effects of physical cooling, reducing oxygen concentration and chemical inhibition, and is more environmentally friendly and clean. The device is composed of an electric control box 22, a liquid tank 12 storing perfluorocyclohexanone, a centrifugal pump 21, a valve assembly, and a delivery pipeline, etc. The delivery pipeline refers to the first connecting hose 18, the second connecting hose 3, the pump inlet pipeline 19, the pump outlet pipeline 10, and the cabinet liquid outlet pipe 8. The device has high automation degree, and can realize automatic starting of the system according to the set program, intermittent spraying or continuous spraying, suppression of fire, faster extinguishing speed, and higher efficiency. The device abandons the traditional high-pressure bottle group, adopts a cabinet structure design, a non-pressure storage design, and has a self-contained agent leakage pressure feedback function. The device has compact structure, small floor area, and low manufacturing and maintenance costs, and is worth popularizing and using.
[0027] It should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. The description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A non-pressurized perfluorocyclohexanone fire extinguishing device, comprising a cabinet (1), the cabinet (1) comprising a top cover (11), a back door plate (13) and two side plates; characterized in that: The front side surface of the cabinet body (1) is provided with a plurality of air holes, the front door plate (7) is movably connected to the front side surface of the cabinet body (1) above the air holes, the surface of the front door plate (7) is provided with a button assembly (2) and an indicator light assembly (4), the inside of the cabinet body (1) and below the top cover (11) is provided with a liquid storage tank (12), the front side of the liquid storage tank (12) is fixed with an electric control box (22) through a fixed plate (23), the lower side of the electric control box (22) is provided with a centrifugal pump (21), the left side of the centrifugal pump (21) is a liquid inlet end, and the right side is a liquid outlet end, the liquid outlet of the bottom of the liquid storage tank (12) is connected with a first connecting hose (18) through a valve assembly, the other end of the first connecting hose (18) is connected with a pump liquid inlet pipeline (19), the other end of the pump liquid inlet pipeline (19) is connected with the liquid inlet end of the centrifugal pump (21), the inside of the cabinet body (1) and left rear of the liquid storage tank (12) is provided with a cabinet liquid outlet pipe (8), the cabinet liquid outlet pipe (8) is vertically arranged, and the top end pipe of the cabinet liquid outlet pipe (8) penetrates to the outside of the cabinet body (1) upward, the liquid outlet end of the centrifugal pump (21) is connected with a pump liquid outlet pipeline (10), and the other end of the pump liquid outlet pipeline (10) is connected with the bottom end pipe of the cabinet liquid outlet pipe (8) through a second connecting hose (3).
2. A non-pressurized perfluorocyclohexanone fire extinguishing device according to claim 1, characterized in that: The valve assembly comprises a manual ball valve (15), a three-way joint (16) and an electric ball valve (17), the manual ball valve (15) and the electric ball valve (17) are connected through the three-way joint (16), the top end of the manual ball valve (15) is connected with the liquid outlet of the bottom of the liquid storage tank (12), and the bottom end of the electric ball valve (17) is connected with the top end of the first connecting hose (18).
3. A non-pressurized perfluorocyclohexanone fire extinguishing device according to claim 2, characterized in that: The pump liquid outlet pipeline (10) is sequentially provided with a first pressure transmitter (20), a pressure gauge (6) and a check valve (5) in the liquid flow direction.
4. A non-pressurized perfluorocyclohexanone fire extinguishing device according to claim 3, characterized in that: The top of the liquid storage tank (12) is provided with a liquid adding quick change joint (9), and the top of the liquid storage tank (12) is also provided with an air suction valve and a safety valve.
5. A non-pressurized perfluorocyclohexanone fire extinguishing device according to claim 4, characterized in that: The pump liquid inlet pipeline (19) and the pump liquid outlet pipeline (10) are fixed to the inner bottom wall of the cabinet body (1) through plastic pipe clamps (24).
6. A non-pressurized perfluorocyclohexanone fire extinguishing device according to claim 5, characterized in that: The bottom of the liquid storage tank (12) is provided with a second pressure transmitter (14).
7. A non-pressurized perfluorocyclohexanone fire extinguishing device according to claim 1, characterized in that: The button assembly (2) comprises a start button and an emergency stop button, and the indicator light assembly (4) comprises a power light, a fault light, an operation light and an audible and visual alarm light.
8. A non-pressurized perfluorocyclohexanone fire extinguishing device according to claim 7, characterized in that: The centrifugal pump (21) is a multi-stage centrifugal pump.