CN105344041A - Pressure storage type compressed gas foam extinguishing system - Google Patents
Pressure storage type compressed gas foam extinguishing system Download PDFInfo
- Publication number
- CN105344041A CN105344041A CN201510770695.6A CN201510770695A CN105344041A CN 105344041 A CN105344041 A CN 105344041A CN 201510770695 A CN201510770695 A CN 201510770695A CN 105344041 A CN105344041 A CN 105344041A
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- Prior art keywords
- foam
- pressure
- liquid storage
- compressed gas
- storage tank
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/62—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
- A62C13/64—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a pressure storage type compressed gas foam extinguishing system which comprises a pressure liquid storage tank and a foam generator. The pressure liquid storage tank is filled with foam extinguishing agent mixed liquid and compressed gas. The foam generator is arranged in the pressure liquid storage tank and the foam generator is located above the foam extinguishing agent mixed liquid. A gas inflow hole, a liquid inlet and a turbulator are arranged on the foam generator. The liquid inlet is communicated with a liquid suction pipe arranged at the lower end of the foam generator. The bottom of the liquid suction pipe is located on the lower portion of the pressure liquid storage tank. A foam outlet pipe connected with the foam generator is arranged at the top end of the pressure liquid storage tank. A foam delivery pipe is arranged on one side of the pressure liquid storage tank and communicated with the foam outlet pipe. A foam gun is arranged at the tail end of the foam delivery pipe. The pressure storage type compressed gas foam extinguishing system can generate even, exquisite and stable kinetic energy foam without sucking air from the outside and is high in extinguishing speed, wide in covering range and large in jet distance.
Description
Technical Field
The invention relates to a foam fire extinguishing system, in particular to a pressure storage type compressed gas foam fire extinguishing system.
Background
The existing foam fire extinguishing system usually adopts a suction mode (negative pressure type), adopts a Venturi jet foaming principle, and has low foaming times, short foam retention time and poorer covering and fire extinguishing capability because the air sucked into the periphery is uneven.
In order to overcome the defects of the negative pressure type foam fire extinguishing system, the utility model with application number of 201520179777.9 discloses a foam fire extinguishing system, which comprises a compressed air tank, a gas-liquid mixer, a liquid storage tank, a high pressure water pipe, a spray gun and the like; one path of the compressed air port is connected with an air inlet of the mixer through an air inlet electromagnetic valve, and the other path of the compressed air port is connected with an air inlet at the top of the liquid storage tank; a liquid outlet at the bottom of the liquid storage tank is connected with a liquid inlet pipeline of the gas-liquid mixer through a liquid inlet electromagnetic valve; the foam outlet of the gas-liquid mixer is connected with the spray gun through a high-pressure water pipe; at least one spoiler is arranged in the gas-liquid conveying channel of the gas-liquid mixer. The utility model discloses a utility model patent of application number 201120274914.9 discloses a compressed air foam fire extinguishing systems, including liquid storage pot, water pump, foaming device, outlet valve, air compressor and automatic control valve. The utility model discloses a 201220584523.1 utility model discloses a compressed air foam extinguishing device, the water pump is equipped with pressure regulating valve, foam liquid storage pot outlet pipe has connect the stop valve in proper order, foam pump and first check valve, pressure regulating valve and first check valve are connected in the foam generator through sharing connecting line, the relief pressure valve has connected gradually between gas buffer tank and the gas inlet of foam generator, flow control valve, solenoid valve and second check valve, this device utilizes the structure of foam generator, at its gas circuit, the liquid circuit has all configured the flow, the pressure control part, can make the work of foam generator at optimum.
The above invention relates to a compressed air foam fire extinguishing system which solves the problems of passive air suction, uneven foam mixing and the like. The system has the characteristics of air and liquid paths which are independently controlled by controllers such as valves, and the like, and the air-liquid mixer or the foam generator is arranged outside the liquid storage tank and adopts an air compressor for air supply and the like. The system is easy to generate the phenomenon of unstable gas and liquid pressure, the sucked foam liquid can not be fully dispersed and mixed, and when the pressure of a liquid path is greater than the pressure of a gas path, the active gas supply loses the function and the like. Meanwhile, as the number of valves and controllers is large, the problems of leakage, overflow and drip are easy to occur, and the overall operation of the fire extinguishing system is influenced.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
Disclosure of Invention
In order to avoid the defects of the prior art, the invention provides the pressure storage type compressed gas foam fire extinguishing system which can generate uniform, fine and stable kinetic energy foam.
The technical scheme adopted by the invention is as follows:
the utility model provides a store pressure formula compressed gas foam fire extinguishing systems, including pressure liquid storage pot and foam generator, the splendid attire has foam extinguishing agent mixed liquid and compressed gas in the pressure liquid storage pot, foam generator sets up in the pressure liquid storage pot and foam generator is located the top of foam extinguishing agent mixed liquid, be provided with the inlet port on the foam generator, inlet and spoiler, the inlet is linked together with the pipette of setting at the foam generator lower extreme, the bottom of pipette is located the lower part of pressure liquid storage pot, pressure liquid storage pot top is provided with the foam outlet pipe that links to each other with foam generator, one side of pressure liquid storage pot is provided with the foam conveyer pipe, the foam conveyer pipe is linked together with the foam outlet pipe, the end of foam conveyer pipe is provided.
The volume of the foam extinguishing agent mixed liquid accounts for 50-70% of the volume of the pressure liquid storage tank.
The filling pressure of the foam extinguishing agent mixed liquid in the pressure liquid storage tank is 1.2 MPa-1.5 MPa.
The top end of the pressure liquid storage tank is provided with a liquid inlet pipe, and a flow control valve is arranged on the liquid inlet pipe.
The compressed gas is air, nitrogen or inert gas.
And a pressure gauge is arranged at the top end of the pressure liquid storage tank.
And a one-way outlet valve is arranged on the foam outlet pipe.
An outlet flange is arranged on the foam outlet pipe.
And a blow-off pipe is arranged at the bottom of the pressure liquid storage tank, and a blow-off valve is arranged on the blow-off pipe.
And a travelling wheel is arranged below the pressure liquid storage tank.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the foam fire extinguishing system can generate uniform, fine and stable kinetic energy foam without sucking air from the outside, has high fire extinguishing speed, wide coverage range and long spraying distance, and is particularly suitable for extinguishing and covering all-area fires of A, B and C.
2. The gas phase and the liquid phase of the foam fire extinguishing system are automatically generated, the foam liquid and the compressed gas are automatically mixed, the gas phase and the liquid phase are in a pressure balance state, the foam liquid sucked into the foam generator can be fully dispersed and mixed, stable foam is generated, and the whole system is stable in operation and high in reliability.
3. The foam generator and the liquid suction pipe are fixedly connected to form an integral structure, and the foam generator is convenient and simple to manufacture and install and convenient and easy to operate.
4. Compared with the conventional foam fire extinguishing system with the filling amount of 80 percent, the filling amount of the foam fire extinguishing agent mixed liquid of the foam fire extinguishing system only needs 50 to 70 percent, can achieve the capability of extinguishing the fire in the same area, and has the functions of foam covering and isolation.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Wherein,
1. a blow-off valve 2, a foam gun 3, a foam delivery pipe 4, a pressure liquid storage tank 5, a foam generator 6, an outlet flange 7, a pressure gauge 8, a flow control valve 9, a one-way outlet valve 10, a pipette 11, a walking wheel 12, a blow-off pipe 13, a foam outlet pipe 14, a foam extinguishing agent mixed liquid 15 and a liquid inlet pipe
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, but the present invention is not limited to these examples.
The first embodiment is as follows:
as shown in figures 1 and 2, the pressure storage type compressed gas foam fire extinguishing system comprises a pressure liquid storage tank 4 and a foam generator 5, wherein traveling wheels 11 are arranged below the pressure liquid storage tank 4, foam extinguishing agent mixed liquid 14 and compressed gas are contained in the pressure liquid storage tank 4, a liquid inlet pipe and a pressure gauge 7 are arranged at the top end of the pressure liquid storage tank 4, a flow control valve 8 is arranged on the liquid inlet pipe 15, the compressed gas is air, nitrogen or inert gas, and the volume of the pressure liquid storage tank 4 is 10m3The mass of the foam extinguishing agent mixed liquid 14 is 5000kg, the volume of the foam extinguishing agent mixed liquid 14 accounts for 50 percent of the volume of the pressure liquid storage tank 4, and the filling pressure of the foam extinguishing agent mixed liquid 14 filled in the pressure liquid storage tank 4 is 1.2 MPa; a sewage discharge pipe 12 is arranged at the bottom of the pressure liquid storage tank 4, and a sewage discharge valve 1 is arranged on the sewage discharge pipe 12.
The foam generator 5 is arranged in a gas phase space at the upper part of the pressure liquid storage tank 4, the foam generator 5 is provided with an air inlet, a liquid inlet and a turbulence generator, the liquid inlet is communicated with a liquid suction pipe 10 arranged at the lower end of the foam generator 5, the bottom of the liquid suction pipe 10 is positioned at the lower part of the pressure liquid storage tank 4, a foam extinguishing agent mixed liquid 14 is sucked into the foam generator 5 from the liquid suction pipe 10 through the liquid inlet, a compressed gas entering from the air inlet is mixed and disturbed with the foam extinguishing agent mixed liquid 14 to form turbulence, a gas-liquid object in a turbulent flow state impacts the turbulence generator, formed mist liquid drops are further continuously sheared, collided and dispersed by the compressed gas to form foam, and meanwhile, the pressure of two phases; the top end of the pressure liquid storage tank 4 is provided with a foam outlet pipe 13 connected with the foam generator 5, the foam outlet pipe 13 is provided with a one-way outlet valve 9 and an outlet flange 6, one side of the pressure liquid storage tank 4 is provided with a foam conveying pipe 3, the foam conveying pipe 3 is communicated with the foam outlet pipe 13, the tail end of the foam conveying pipe 3 is provided with a foam gun 2, the foam gun 2 is a straight pipe or is in a micro-horn shape, and the appearance of the foam gun is free of air suction holes.
Example two:
this example is substantially the same as the first example, except that the mass of the foam fire extinguishing agent mixture 14 is 6000kg, the volume of the foam fire extinguishing agent mixture 14 is 60% of the volume of the pressure liquid storage tank 4, and the filling pressure of the foam fire extinguishing agent mixture 14 into the pressure liquid storage tank 4 is 1.3 MPa.
Example three:
this example is substantially the same as the first example except that the mass of the foam fire extinguishing agent mixture 14 is 7000kg, the volume of the foam fire extinguishing agent mixture 14 is 70% of the volume of the pressure liquid storage tank 4, and the filling pressure of the foam fire extinguishing agent mixture 14 into the pressure liquid storage tank 4 is 1.5 MPa.
The principle of the first to third embodiments is the same, when fire extinguishing or covering is needed, the one-way outlet valve 9 is opened, the foam extinguishing agent mixed liquid 14 enters the foam generator 5 through the pipette 10, the foam extinguishing agent mixed liquid 14 is sprayed onto the spoiler through the liquid inlet to form mist, compressed gas enters the foam generator 5 through the air inlet hole and is fully collided and mixed with mist liquid drops in the foam generator 5 to form foam with driving power, the foam enters the foam conveying pipe 3 from the one-way outlet valve 9 to continuously mix and flow, and the foam reaches the outlet of the foam gun 2 to be directly sprayed out to extinguish the fire or cover.
Parts which are not described in the invention can be realized by adopting or referring to the prior art.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a store pressure formula compressed gas foam fire extinguishing systems, including pressure liquid storage pot and foam generator, a serial communication port, the splendid attire has foam extinguishing agent mixed liquid and compressed gas in the pressure liquid storage pot, foam generator sets up in the pressure liquid storage pot and foam generator is located the top of foam extinguishing agent mixed liquid, be provided with the inlet port on the foam generator, inlet and spoiler, the inlet is linked together with the pipette of setting at the foam generator lower extreme, the bottom of pipette is located the lower part of pressure liquid storage pot, pressure liquid storage pot top is provided with the foam outlet pipe that links to each other with foam generator, one side of pressure liquid storage pot is provided with the foam conveyer pipe, the foam conveyer pipe is linked together with the foam outlet pipe, the end of foam conveyer pipe is.
2. The pressure storage type compressed gas foam fire extinguishing system according to claim 1, wherein the volume of the foam extinguishing agent mixture liquid is 50-70% of the volume of the pressure liquid storage tank.
3. The pressure storage type compressed gas foam fire extinguishing system according to claim 1 or 2, wherein the pressure of the foam extinguishing agent mixture liquid filled into the pressure liquid storage tank is 1.2MPa to 1.5 MPa.
4. The pressure-storing compressed gas foam fire extinguishing system according to claim 1, wherein the top end of the pressure liquid storage tank is provided with a liquid inlet pipe, and the liquid inlet pipe is provided with a flow control valve.
5. The stored pressure compressed gas foam fire suppression system according to claim 1, wherein the compressed gas is air, nitrogen, or an inert gas.
6. The pressure stored compressed gas foam fire extinguishing system according to claim 1, wherein a pressure gauge is provided at the top end of the pressure liquid storage tank.
7. The stored pressure compressed gas foam fire extinguishing system according to claim 1, wherein the foam outlet pipe is provided with a one-way outlet valve.
8. The stored pressure compressed gas foam fire suppression system according to claim 1, wherein said foam outlet pipe is provided with an outlet flange.
9. The pressure storage type compressed gas foam fire extinguishing system according to claim 1, wherein a drain pipe is arranged at the bottom of the pressure liquid storage tank, and a drain valve is arranged on the drain pipe.
10. The pressure storage type compressed gas foam fire extinguishing system according to claim 1, wherein a traveling wheel is arranged below the pressure liquid storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510770695.6A CN105344041A (en) | 2015-11-12 | 2015-11-12 | Pressure storage type compressed gas foam extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510770695.6A CN105344041A (en) | 2015-11-12 | 2015-11-12 | Pressure storage type compressed gas foam extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105344041A true CN105344041A (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510770695.6A Pending CN105344041A (en) | 2015-11-12 | 2015-11-12 | Pressure storage type compressed gas foam extinguishing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN105344041A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133678A1 (en) * | 2018-12-28 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Fire protection fluid storage device for battery pack |
| US11559711B2 (en) | 2017-03-01 | 2023-01-24 | China Petroleum & Chemical Corporation | Foam producing method, fire extinguishing method, and appliance for foam extinguishing |
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| WO1999052599A1 (en) * | 1998-04-15 | 1999-10-21 | Szoecs Istvan | Method and high-capacity apparatus for producing fire fighting foam and foam expanding spreading device |
| CN101502705A (en) * | 2009-03-19 | 2009-08-12 | 刘欣传 | Handcart type air foam fire extinguisher |
| CN201643503U (en) * | 2010-04-07 | 2010-11-24 | 苏州赛夫特消防科技有限公司 | Fire-fighting liquid storage tank system |
| CN101920085A (en) * | 2010-09-03 | 2010-12-22 | 中国石油化工股份有限公司 | Positive pressure type foam fire-extinguishing device and use method thereof |
| CN102271766A (en) * | 2008-11-13 | 2011-12-07 | 达伦·肖恩·亨利 | Fire extinguishing apparatus and method for generating foam |
| CN102380179A (en) * | 2011-10-18 | 2012-03-21 | 中国石油化工股份有限公司 | Positive pressure type compressed gas bubble fire extinguisher |
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| CN103386178A (en) * | 2013-08-16 | 2013-11-13 | 安徽天元消防科技有限公司 | Foam fire-fighting device |
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2015
- 2015-11-12 CN CN201510770695.6A patent/CN105344041A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999052599A1 (en) * | 1998-04-15 | 1999-10-21 | Szoecs Istvan | Method and high-capacity apparatus for producing fire fighting foam and foam expanding spreading device |
| CN102271766A (en) * | 2008-11-13 | 2011-12-07 | 达伦·肖恩·亨利 | Fire extinguishing apparatus and method for generating foam |
| CN101502705A (en) * | 2009-03-19 | 2009-08-12 | 刘欣传 | Handcart type air foam fire extinguisher |
| CN201643503U (en) * | 2010-04-07 | 2010-11-24 | 苏州赛夫特消防科技有限公司 | Fire-fighting liquid storage tank system |
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| CN102380179A (en) * | 2011-10-18 | 2012-03-21 | 中国石油化工股份有限公司 | Positive pressure type compressed gas bubble fire extinguisher |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11559711B2 (en) | 2017-03-01 | 2023-01-24 | China Petroleum & Chemical Corporation | Foam producing method, fire extinguishing method, and appliance for foam extinguishing |
| US11980785B2 (en) | 2017-03-01 | 2024-05-14 | China Petroleum & Chemical Corporation | Foam producing method, fire extinguishing method, and appliance for foam extinguishing |
| WO2020133678A1 (en) * | 2018-12-28 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Fire protection fluid storage device for battery pack |
| US11324978B2 (en) | 2018-12-28 | 2022-05-10 | Contemporary Amperex Technology Co., Limited | Fire-fighting fluid storage apparatus of battery pack |
| US11992719B2 (en) | 2018-12-28 | 2024-05-28 | Contemporary Amperex Technology Co., Limited | Fire-fighting fluid storage apparatus of battery pack |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |