CN105363161A - Fire-fighting foam fire extinction system capable of injecting gas-liquid two-phase jet flow - Google Patents
Fire-fighting foam fire extinction system capable of injecting gas-liquid two-phase jet flow Download PDFInfo
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- CN105363161A CN105363161A CN201510825589.3A CN201510825589A CN105363161A CN 105363161 A CN105363161 A CN 105363161A CN 201510825589 A CN201510825589 A CN 201510825589A CN 105363161 A CN105363161 A CN 105363161A
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Abstract
The invention discloses a fire-fighting foam fire extinction system capable of injecting gas-liquid two-phase jet flow. The fire-fighting foam fire extinction system comprises a compressed gas generating device, a liquid storing tank, a foam gun, a bypass pipe, a liquid electromagnetic regulating valve, a gas electromagnetic regulating valve and a control device, wherein high-pressure gas is exhausted through an outlet of the compressed gas generating device; the liquid storing tank is used for storing or discharging a foam base solution; the foam gun is connected with the liquid storing tank through a liquid conveying pipe, fully mixes the high-pressure gas with the foam base solution to form fire extinction foam and discharges the foam to the outside; the bypass pipe is provided with an inlet and two outlets; the inlet of the bypass pipe is communicated with the outlet of the compressed gas generating device; one outlet of the bypass pipe is communicated with the liquid storing tank, and the other outlet of the bypass pipe is communicated with the foam gun; the liquid electromagnetic regulating valve is located at the outlet, opposite to the liquid storing tank, of the bypass pipe; the gas electromagnetic regulating valve is located at the outlet, opposite to the foam gun, of the bypass pipe; the control device controls opening and closing of the first regulating valve and the second regulating valve. According to the fire-fighting foam fire extinction system capable of injecting the gas-liquid two-phase jet flow, the proportion of the high-pressure gas fed to the foam gun in unit time to the foam base solution is controlled more accurately, and the driving force difference caused by a plurality of driving sources is eliminated at the same time.
Description
Technical field
The present invention relates to froth fire extinguishing system technical field, particularly a kind of fire-fighting foam fire extinguishing system spraying bubble-liquid two-phase jet.
Background technology
The fire extinguishing of current compressed class A air foam all with the rotating speed of water flow signal control class A foam liquid displacement pump, to realize water and class A foam mixing to scale.In the process, make compressed air equal with the pressure of mixed liquor by pressure equaliser, make compressed air enter mixed liquor and form two phase flow.Though above prior art automaticity is higher, complex structure, involve great expense, difficult in maintenance.
In addition, such device due to the change of Systematical control pressure greatly, water, foam, compressed-air actuated mixed proportion error are also larger, and particularly the equalization point of gas, hydraulic coupling easily drifts about, thus causes the injection of compressed class A air foam to interrupt.
Be disclose a kind of multifunctional compressed air foam extinguishing device in the patent document (hereinafter referred to as documents 1) of CN103055455A at publication number.Comprise fire extinguishing spray gun, air compressor and high-pressure hydraulic pump, wherein: fire extinguishing spray gun comprises the hybrid chamber, foam chamber and the nozzle that are linked in sequence; Hybrid chamber is communicated with foam chamber, high-pressure hydraulic pump, and hybrid chamber wall has check valve to be communicated with by valve pipeline with air compressor; Circle tube leaching net is had in foam chamber; Air compressor is also in parallel, and an adjustable foam in road adds valve pipeline.The present invention will put out a fire the integrated compact design of spray gun mating with pneumatic type foam proportioning unit, high-pressure hydraulic pump is connected with fire extinguishing spray gun, firing-fighting medium is not through any decompression, its expulsion pressure is large, and the check valve of passing ratio pressure regulator valve, choke valve and hybrid chamber adjusts each medium ratio, extinguishing device conveniently moving of the present invention, and be applicable to the needs of multiple firing-fighting medium and different fire-extinguishing location.
Multifunctional compressed air foam extinguishing device mentioned by documents 1, has good proportion adjustment function, can regulate the ratio entering each medium in hybrid chamber.But this device forms two phase flow and the mode of carrying out proportion adjustment needs to rely at least two power sources, i.e. water pump and air compressor.The driving force that multiple power source provides necessarily there are differences, and control at comparative example control valve and triple valve, during to complete the proportion adjustment of each medium, its equalization point needs to re-establish, and the difference between needing in the process setting up equalization point power source keeps paying close attention to.
Summary of the invention
The object of the invention is to overcome or slow down the part at least above-mentioned shortcoming, hereby provide a kind of fire-fighting foam fire extinguishing system spraying bubble-liquid two-phase jet, it comprises: Compressed Gas generating apparatus, and it exports output high-pressure gas; Fluid reservoir, stores or foam output base fluid; Foam gun, is connected with fluid reservoir by woven hose, and fully the described gases at high pressure of mixing and foam base fluid generate fire foam and export outside to; Isocon, has an import and two outlets, the outlet of its import and described Compressed Gas generating apparatus, one outlet fluid reservoir, another outlet foam gun; Liquid solenoid valve, is placed in the outlet of the relative fluid reservoir of described isocon; Gas solenoid valve, is placed in the outlet of described isocon opposed foam rifle; Control device, controls the keying of described first control valve and the second control valve.
Preferably, described Compressed Gas generating apparatus at least comprises filter, drying machine, air accumulator and air compressor machine; Described air compressor machine compression extraneous air is to air accumulator; Described air accumulator, stores or exports the compressed air inputted by described air compressor machine; Described drying machine, the dry compressed air exported by described air accumulator; Described filter, filters dried compressed air, sterilization and export isocon to.
Further, described filter at least comprises the oil water separator, main line filter and the micro-oil dew filter that connect successively, the output of described drying machine is connected with the input of described oil water separator, and the output of described micro-oil dew filter connects the entrance of isocon.
In addition, the outlet of described isocon opposed foam rifle is provided with liquid electric magnetic flowmeter, described woven hose is provided with gas electromagnetic flowmeter, the monitor signal of described liquid electric magnetic flowmeter and gas electromagnetic flowmeter all exports described control device to, described control device has display module, the flow value that described in described display module digital display, monitor signal is corresponding.
In addition, described foam gun comprises the fluid flow control chamber, hybrid chamber and the foam chamber that are communicated with successively; The entrance of described fluid flow control chamber is connected with woven hose, its outlet is connected with the entrance of foam chamber, at least one piece of flow buffer board is provided with in described fluid flow control chamber, described flow buffer board offers at least one cushion hole, described hybrid chamber has air inlet, and its air inlet is connected with the outlet of isocon opposed foam rifle, and the outlet of described hybrid chamber is communicated with the entrance of foam chamber, described foam chamber is built-in with block, the outlet of described foam chamber and ft connection.
In addition, described hybrid chamber and/or foam chamber are made up of transparent material.
In addition, described foam gun dismounting is connected to support.
In addition, the outlet of described isocon opposed foam rifle is provided with gas hand-operated valve, and described woven hose is provided with liquid hand valve.
The present invention drives gases at high pressure and foam base fluid to input to foam gun by Compressed Gas generating apparatus respectively, and by control device to liquid solenoid valve, the control that gas electromagnetism regulates, the flow of gases at high pressure and foam base fluid input foam gun is regulated, control the ratio of gases at high pressure and the foam base fluid inputted in the unit interval in foam gun more accurately, and then the mixture composition of gases at high pressure and foam base fluid is regulated and controled, realize putting out a fire for the efficient foam of multi-environment, eliminate the driving force difference caused by multiple drive source simultaneously.
Accompanying drawing explanation
Describe these and other aspect of the present invention in further detail now with reference to appended accompanying drawing, it is depicted as currently preferred embodiment of the present invention.Wherein:
Fig. 1 is the theory diagram of the present embodiment;
Fig. 2 is the sectional view of foam gun.
In figure: 11, air compressor machine; 12, air accumulator; 13, drying machine; 14, filter; 21, gas hand-operated valve; 22, gas solenoid valve; 23, gas electromagnetic flowmeter; 31, liquid solenoid valve; 32, relief valve; 33, fluid reservoir; 34, blowoff valve; 41, electromagnetic pressure gage; 42, liquid hand valve; 43, liquid electric magnetic flowmeter; 5, foam gun; 51, flow-control chamber; 52, hybrid chamber; 53, foam chamber; 531, block; 532, foam screen; 6, support.
Detailed description of the invention
Below in conjunction with accompanying drawing and instantiation, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
As shown in Figure 1, a kind of fire-fighting foam fire extinguishing system spraying bubble-liquid two-phase jet, comprise air compressor machine 11, air compressor machine 11 input connects outside, its output is communicated with air accumulator 12, air accumulator 12 stores the compressed air inputted by air compressor machine 11, then air accumulator 12 inside keeps larger pressure, to use as power source.So, when needs air accumulator 12 is as power source and source of the gas, open the connection valve between air accumulator 12 and drying machine 13, the gases at high pressure first exported by drying machine 13 pairs of air accumulators 12 carry out drying and process, then carried out disinfection by filter 14 pairs of gases at high pressure, sterilizing.
The outlet of filter 14 is connected with the entrance of isocon, and isocon has two pipelines, and one is communicated with fluid reservoir 33, and another is communicated with foam gun 5.So, sterilized by filter 14, gases at high pressure after sterilizing enter fluid reservoir 33 and foam gun 5 from two of isocon pipelines respectively.Enter the gases at high pressure of fluid reservoir 33, extruding fluid reservoir 33 is inner, makes the foam base fluid in fluid reservoir 33 enter foam gun 5 through woven hose, is mixed with gases at high pressure and foam base fluid realizes two phase flow in foam gun 5, and then realizes foaming, completes injection.
In addition, the filter 14 of the present embodiment comprises oil water separator, main line filter 14 and micro-oil dew filter 14, to carry out C, T, A tri-grades of secondary filters to gases at high pressure.
Certainly, the present embodiment controls two of isocon fluid flows that pipeline can flow through; Namely liquid solenoid valve 31 is set at the pipeline of isocon relative fluid reservoir 33, at the pipeline of isocon opposed foam rifle 5, gas solenoid valve 22 is set, and liquid solenoid valve 31 and gas solenoid valve 22 are all controlled by control device, control device can make the equipment such as single-chip microcomputer or PLC.So, the present embodiment by single drive source and the control to liquid solenoid valve 31, gas solenoid valve 22, when carrying out proportion adjustment to gas, the liquid in input foam gun 5, can ensure that the driving force that drive source provides does not exist deviation.
The pipeline of the isocon opposed foam rifle 5 of the present embodiment is provided with gas electromagnetic flowmeter 23, woven hose is provided with liquid electric magnetic flowmeter 43 valve 42, and gas electromagnetic flowmeter 23 is all connected with control device with liquid electric magnetic flowmeter 43 valve 42, control device is connected with display.So, after gas electromagnetic flowmeter 23 and liquid electric magnetic flow detect the flow values of corresponding pipeline, control device is transferred in the mode of the signal of telecommunication, control device resolves this type of the signal of telecommunication, obtain the flow number of fluid in corresponding pipeline, and shown by display, be convenient to staff's observation, record.Preferably, the control device of the present embodiment connects a multi-channel high-speed recording instrument without paper and shows the data on flows of each flowmeter.
In addition, fluid reservoir 33 due to the present embodiment relates to the gas pressure intensity by increasing in tank body, and with foam output base fluid, then it needs configuration relief valve 32 and blowoff valve 34 inevitably, woven hose is provided with electromagnetic pressure gage 41, and electromagnetic pressure gage 41 is connected with control device.
In addition, woven hose is provided with liquid hand valve 42, and the pipeline of isocon opposed foam rifle 5 is provided with gas hand-operated valve 21.So, in control device inefficacy or when needing brake hard, closed the gas input of foam gun 5 by gas hand-operated valve 21, closed the liquid input of foam gun 5 by liquid hand valve 42.
In addition as Fig. 2, the foam gun 5 of the present embodiment is set up on the frame 6 and it comprises the fluid flow control chamber 51, hybrid chamber 52 and the foam chamber 53 that are communicated with successively; The entrance of fluid flow control chamber 51 is connected with woven hose, its outlet is connected with the entrance of foam chamber 53, in fluid flow control chamber 51, be provided with two pieces of flow buffer boards, one piece of flow buffer board offers a cushion hole, and another block flow buffer board is provided with three cushion holes.So, when foam base fluid flows through flow-control chamber 51, the restriction of two pieces of flow buffer boards can be subject to, its fluid flow entering hybrid chamber 52 through cushion hole is controlled.
Further, hybrid chamber 52 has air inlet, and its air inlet is connected with the outlet of isocon opposed foam rifle 5, and the outlet of hybrid chamber 52 is communicated with the entrance of foam chamber 53, and foam chamber 53 is built-in with block 531, the outlet of foam chamber 53 and ft connection.So, after the liquid in hybrid chamber 52 pours foam chamber 53, mixed liquor is broken up by block 531, allows the gas in mixed liquor and liquid fully mix, exports outside to after forming even, fine and smooth fire foam.
In addition, be provided with foam screen 532 in the side of the relative spout of block 531, further mixed liquor broken up, make foam base fluid and gases at high pressure react more abundant.
In addition, foam chamber 53 is made up of lucite, can observe the real-time admixture of liquids and gases in foam chamber 53 for staff intuitively.
Claims (8)
1. spray a fire-fighting foam fire extinguishing system for bubble-liquid two-phase jet, it is characterized in that comprising: Compressed Gas generating apparatus, it exports output high-pressure gas; Fluid reservoir, stores or foam output base fluid; Foam gun, is connected with fluid reservoir by woven hose, and fully the described gases at high pressure of mixing and foam base fluid generate fire foam and export outside to; Isocon, has an import and two outlets, the outlet of its import and described Compressed Gas generating apparatus, one outlet fluid reservoir, another outlet foam gun; Liquid solenoid valve, is placed in the outlet of the relative fluid reservoir of described isocon; Gas solenoid valve, is placed in the outlet of described isocon opposed foam rifle; Control device, controls the keying of described first control valve and the second control valve.
2. the fire-fighting foam fire extinguishing system of injection bubble-liquid two-phase jet according to claim 1, is characterized in that, described Compressed Gas generating apparatus at least comprises filter, drying machine, air accumulator and air compressor machine; Described air compressor machine compression extraneous air is to air accumulator; Described air accumulator, stores or exports the compressed air inputted by described air compressor machine; Described drying machine, the dry compressed air exported by described air accumulator; Described filter, filters dried compressed air, sterilization and export isocon to.
3. the fire-fighting foam fire extinguishing system of injection bubble-liquid two-phase jet according to claim 2, it is characterized in that, described filter at least comprises the oil water separator, main line filter and the micro-oil dew filter that connect successively, the output of described drying machine is connected with the input of described oil water separator, and the output of described micro-oil dew filter connects the entrance of isocon.
4. the fire-fighting foam fire extinguishing system of injection bubble-liquid two-phase jet according to claim 1, it is characterized in that, the outlet of described isocon opposed foam rifle is provided with liquid electric magnetic flowmeter, described woven hose is provided with gas electromagnetic flowmeter, the monitor signal of described liquid electric magnetic flowmeter and gas electromagnetic flowmeter all exports described control device to, described control device has display module, the flow value that described in described display module digital display, monitor signal is corresponding.
5. the fire-fighting foam fire extinguishing system of injection bubble-liquid two-phase jet according to claim 1, is characterized in that, described foam gun comprises the fluid flow control chamber, hybrid chamber and the foam chamber that are communicated with successively; The entrance of described fluid flow control chamber is connected with woven hose, its outlet is connected with the entrance of foam chamber, at least one piece of flow buffer board is provided with in described fluid flow control chamber, described flow buffer board offers at least one cushion hole, described hybrid chamber has air inlet, and its air inlet is connected with the outlet of isocon opposed foam rifle, and the outlet of described hybrid chamber is communicated with the entrance of foam chamber, described foam chamber is built-in with block, the outlet of described foam chamber and ft connection.
6. the fire-fighting foam fire extinguishing system of injection bubble-liquid two-phase jet according to claim 5, is characterized in that, described hybrid chamber and/or foam chamber are made up of transparent material.
7. the fire-fighting foam fire extinguishing system of injection bubble-liquid two-phase jet according to claim 1, is characterized in that, described foam gun dismounting is connected to support.
8. the fire-fighting foam fire extinguishing system of injection bubble-liquid two-phase jet according to claim 1, is characterized in that, the outlet of described isocon opposed foam rifle is provided with gas hand-operated valve, and described woven hose is provided with liquid hand valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510825589.3A CN105363161A (en) | 2015-11-24 | 2015-11-24 | Fire-fighting foam fire extinction system capable of injecting gas-liquid two-phase jet flow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510825589.3A CN105363161A (en) | 2015-11-24 | 2015-11-24 | Fire-fighting foam fire extinction system capable of injecting gas-liquid two-phase jet flow |
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| CN105363161A true CN105363161A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510825589.3A Pending CN105363161A (en) | 2015-11-24 | 2015-11-24 | Fire-fighting foam fire extinction system capable of injecting gas-liquid two-phase jet flow |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550171A (en) * | 2017-09-25 | 2019-04-02 | 全龙浩 | Non-transformer full-automatic spray Fire Extinguisher Water for combustible |
| CN113384839A (en) * | 2021-07-02 | 2021-09-14 | 兴化市亚鑫消防器材有限公司 | Novel intelligent low-multiple foam fire extinguishing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109550171A (en) * | 2017-09-25 | 2019-04-02 | 全龙浩 | Non-transformer full-automatic spray Fire Extinguisher Water for combustible |
| CN109550171B (en) * | 2017-09-25 | 2023-05-12 | 全龙浩 | Full-automatic water-spraying fire extinguisher without power supply for combustible material |
| CN113384839A (en) * | 2021-07-02 | 2021-09-14 | 兴化市亚鑫消防器材有限公司 | Novel intelligent low-multiple foam fire extinguishing device |
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