CN102500079A - Foam generator for compressed gas - Google Patents

Foam generator for compressed gas Download PDF

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Publication number
CN102500079A
CN102500079A CN2011103175856A CN201110317585A CN102500079A CN 102500079 A CN102500079 A CN 102500079A CN 2011103175856 A CN2011103175856 A CN 2011103175856A CN 201110317585 A CN201110317585 A CN 201110317585A CN 102500079 A CN102500079 A CN 102500079A
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CN
China
Prior art keywords
foam
fire
maker
flow
premixed liquid
Prior art date
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CN2011103175856A
Other languages
Chinese (zh)
Inventor
谈龙妹
吴京峰
邹兵
姜素霞
朱胜杰
姜鸣
张红星
肖安山
Original Assignee
中国石油化工股份有限公司
中国石油化工股份有限公司青岛安全工程研究院
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Application filed by 中国石油化工股份有限公司, 中国石油化工股份有限公司青岛安全工程研究院 filed Critical 中国石油化工股份有限公司
Priority to CN2011103175856A priority Critical patent/CN102500079A/en
Publication of CN102500079A publication Critical patent/CN102500079A/en

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Abstract

The invention provides a foam generator for compressed gas. The foam generator comprises a foam generator shell, a liquid nozzle, a turbulator and a compressed gas entrance, wherein the liquid nozzle is used for controlling flow rate of foam extinguishing agent premixed liquid entering the foam generator; and the compressed gas entrance is used for controlling flow rate of compressed gas entering the foam generator. The foam generator is used for enabling the foam extinguishing agent premixed liquid entering the foam generator to form rotating fog liquid, and be impacted with and mixed with the compressed gas entering the foam generator to form foam. Compared with the prior art, the foam generator for the compressed gas provided by the invention can greatly improve the mixing capacity of foam liquid and high-pressure gas, so that the ejected foam has the advantages of high kinetic energy, long ejecting distance, uniform and stable foam, high fire-extinguishing speed, high fire-extinguishing strength, long fire-retarding time, high fire-extinguishing efficiency, small use amount of foam and the like.

Description

A kind of compressed air foam generator

Technical field

The present invention relates to a kind of fire extinguisher device, relate in particular to a kind of compressed air foam generator that is used for foam annihilator.

Background technology

The kind of fire extinguisher is a lot, can be divided into by driving gas mode difference: gas bomb formula, pressure storage type, chemical equation; Extinguishing chemical difference by being filled can be divided into again: foam, dry powder, alkyl halide, carbon dioxide, soda acid, clear water etc.

From domestic and international various fire-fighting technique progress; Develop novel protection fire extinguishing equipment easy and simple to handle, efficient and become a kind of development trend; The compressed air foam fire-fighting technique is efficient, economic fire-fighting technique; Aspect the fire attack of gas station, oil depot, refinery, boats and ships, garage, all kinds of buildings etc., have the great market demand and application prospect.

What existing cart type fixed froth installation adopted is suction type (air suction type) foam fire-fighting mode, and promptly foam solution sucks gas at outlet shower nozzle place and forms foam from the external world.Because the gas that sucks mixes inhomogeneous with foam solution; And pressure of storage tank progressively reduces at course of injection; The state of foam changes, the frostproof froth n unstable properties that is sprayed, and foam becomes the band inhomogeneous foam that water is many, coefficient of foaming is low by the fine and closely woven foam of beginning; Foam can not be formed at last, ultra dry foam can not be sent.

Strong for the foam stability that overcomes this suction type foam annihilator, as can not to send ultra dry foam defective; Someone has proposed a kind of novel compressed air foam extinguishing device; Contain foamite container in this extinguishing device, connect compressed air source unit and a kind of mixing chamber that is used to produce compressed air foam; This mixing chamber has compressed air inlet, extinguishing chemical inlet, reaches the compressed-air foam outlet, and this extinguishing device is to adopt the compressed air inlet to need the parallel mixing chamber that leads to the extinguishing chemical inlet, and it is identical with the compressed air outlet internal diameter to require extinguishing chemical to enter the mouth; The control module that also need pass through metal dust simultaneously just can make foams mix even; Its blowing pressure is higher, is about 200 crust, but this kind compressed air foam extinguishing device is difficult for forming stable fine and smooth foam through gas, the parallel entering mixing chamber of liquid; Have only the effect that just can reach even bubble through control module, fail to make full use of the characteristics of mixing chamber.

Summary of the invention

Technical problem to be solved by this invention is to be to provide a kind of novel compressed air foam generator and the cart type compressed air foam extinguishing device that adopts this compressed air foam generator, and it is poor that it has overcome the cart type fixed froth installation foam stability of using in the prior art, can not send ultra dry foam; Have only the effect that just can reach even bubble through control module, fail to make full use of the defective of mixing chamber, the compressed air foam generator that this is novel and adopt the cart type compressed air foam extinguishing device of this compressed air foam generator can significantly heighten the mixed of foam solution and gases at high pressure; Make the foam that ejects have kinetic energy; Jet length is far away, and foam is uniform and stable, and blow-off velocity is fast; Strength of attack is big; Advantages such as the back-fire relief time is long, and fire-fighting efficiency is high, and the foam consumption is few.

Among the present invention, can abbreviate the fire foam premixed liquid as foam solution.

In order to solve the problems of the technologies described above; The invention provides a kind of compressed air foam generator; It is characterized in that: comprise that fluid injector, flow spoiler and the control of the fire foam premixed liquid flow in foam maker shell, the said foam maker of control entering get into the Compressed Gas inlet of the compression gas flow in the said foam maker; Said foam maker is used to make the fire foam premixed liquid that gets in the said foam maker to form vaporific flow liquid, and mixes the generation foam with the Compressed Gas impinges in getting into said foam maker.

Wherein, said Compressed Gas inlet and said fluid injector can be orthogonal settings, and the diameter ratio of gas access diameter and fluid injector is: 1: 1~1: 6.

Wherein, said Compressed Gas inlet can be positioned at the liquid level top of the fire foam premixed liquid that is stored in said housing, and said flow spoiler shape preferably cross or meter font has the taper or the rhombus of symmetrical structure.

Wherein, said Compressed Gas is preferably one or more mixing in nitrogen, air, carbon dioxide or the inert gas, and the material of said foam maker shell is preferably hard materials such as stainless steel, plastics, brass, aluminium, guarantees the accuracy of hole diameter.

The present invention also provides a kind of compressed air foam fire extinguisher; It is characterized in that; Comprise: the foam maker shell; Fluid injector, flow spoiler and the control that control gets into the fire foam premixed liquid flow in the said foam maker gets into the Compressed Gas inlet of the compression gas flow in the said foam maker, and the diameter ratio of gas access diameter and fluid injector is: 1: 1~1: 6.

The position of said gas compression inlet is positioned at the top of the liquid level of the fire foam premixed liquid that is stored in fire extinguisher;

Said fluid injector is arranged on the bottom of said foam maker;

Said flow spoiler is arranged on the dead ahead of said fluid injector;

Said fluid injector and the orthogonal setting of said gas compression inlet;

The said fire foam premixed liquid that said fluid injector will enter in the said foam maker is ejected into the vaporific flow of formation on the said flow spoiler;

Said foam maker is used to make the fire foam premixed liquid that gets in the said foam maker to form vaporific flow liquid, and mixes the generation foam with the Compressed Gas impinges in getting into said foam maker.

The present invention also provides a kind of cart type compressed air foam extinguishing device, it is characterized in that, comprising: fire foam premixed liquid storage tank; Be used for charging into the high-pressure cylinder of Compressed Gas to said fire foam premixed liquid storage tank; Go-cart, foam lance, fire-fighting band, tube connector; Foam suction pipe, Open valve and above-mentioned foam maker.

Wherein, preferably said foam suction pipe and said foam maker are made into a global facility.

The present invention also provides above-mentioned compressed air foam fire extinguisher or the above-mentioned application of cart type compressed air foam extinguishing device in fire-fighting fire extinguishing.

The present invention also provides a kind of backpack, fixed or portable extinguishing device, it is characterized in that: comprise above-mentioned compressed air foam fire extinguisher.

The present invention also provides the method for using of above-mentioned cart type compressed air foam extinguishing device, it is characterized in that:

At first open cylinder valve and said pressure loading valve,, the gas in the said steel cylinder is imported fire foam premixed liquid storage tank through tube connector through being decompressed to 0.4MPa~0.65MPa; Said fire foam premixed liquid gets in the said foam maker through said foam suction pipe, is being ejected into the vaporific flow liquid of formation on the said flow spoiler under the effect of said foam jet, and said Compressed Gas enters in the said foam maker through said Compressed Gas inlet; Mix collision with said vaporific flow liquid; Produce foam, outside through said Open valve ejection fire foam premixed liquid storage tank, get in the press belt; Through foam lance, implement fire extinguishing or covering at last.

The present invention can significantly improve the mixed of foam solution and gases at high pressure, makes the foam that ejects have kinetic energy, and blow-off velocity and strength ratio prior art are significantly improved, and have the unexistent covering performance of prior art.

Dried, the wet foam that this device produces all can be realized the effect of high-effect fire-extinguishing in the short time, 1.73m 2The food tray attack time is merely 28s, and the attack time of existing suction type system is 62s; 4.52m 2The food tray attack time is 46s, and the attack time of existing suction type system is 150s.

Description of drawings

Fig. 1 is an embodiment of the invention cart type compressed air foam extinguishing device sketch map;

Fig. 2 is an embodiment of the invention cart type compressed air foam generator sketch map;

Fig. 3 is the shape sketch map of flow spoiler of the present invention.

The specific embodiment

The present invention realizes through following technical scheme: the flow according to coefficient of foaming and fire foam premixed liquid is inversely proportional to; The principle that is directly proportional with compressed-air actuated flow; Design and produce the foam maker of a kind of even bubble, current stabilization, kinetic energy; This generator has the nozzle flow spoiler vaporific with formation of control fire foam premixed liquid flow, has the air admission hole of control compression gas flow simultaneously, and the Compressed Gas inlet is vertical with the extinguishing chemical inlet.Wherein flow spoiler is taper or the prismatic that cross or rice font have symmetrical structure, and foam solution gets into foam maker through pipette, directly impacts flow spoiler; Flow smashes thereupon, forms vaporific flow-disturbing, simultaneously; Gas in the storage tank injects in the foam maker through the gas access, and the flow after gases at high pressure and the dispersion is fully mixed the formation compressed air foam, through fire foam premixed liquid storage tank liquid outlet valve; Directly the ejection storage tank is outside; Implement to put out a fire or cover, the device of inventing thus, the foam of ejection is even, fine and smooth, stable strong.

For this reason; The invention provides a kind of foam annihilator that is used for and produce the compressed air foam generator; It is characterized in that: comprise the foam maker shell; Fluid injector, flow spoiler and the control of the fire foam premixed liquid flow in the said foam maker of control entering gets into the Compressed Gas inlet of the compression gas flow in the said foam maker; Said foam maker is used to make the fire foam premixed liquid that gets in the said foam maker to form vaporific flow liquid, and mixes the generation foam with the Compressed Gas impinges in getting into said foam maker.

Wherein, gas flow is through the diameter control of gas access, and the aperture ratio of gas access and fluid injector is: 1.1~1: 6.

Wherein, Said flow spoiler shape preferably taper or rhombus with symmetrical structure of cross or rice font is that the flow spoiler front is taper or diamond structure; The back is that cross or rice font structure are formed; Can produce the spray water of bigger kinetic energy from the foam solution of nozzle ejection and taper on the flow spoiler or rhombus, cross or meter font can increase the dispersing uniformity of foam solution.

Wherein, the position of the flow spoiler of telling is preferably placed at the dead ahead of said fluid injector, thereby the fire foam premixed liquid can be ejected on the said flow spoiler through fluid injector, impacts, and forms vaporific flow.Compressed Gas forms the rotation foam through the vaporific flow of the vertical entering of pore, directly sprays from foam maker.

Wherein, said fluid injector can be positioned at position under the bottom of said foam maker, directly links to each other with suction pipe, also can be fixed in the foam maker.

Wherein, the material of said foam maker shell is preferably hard materials such as stainless steel, plastics, brass, aluminium, is convenient to accurate processing gas aperture.

Wherein, said fire foam premixed liquid is preferably fluorine albumen, MJPZ, anti-molten MJPZ and fire foam water mixing acquisition.

Wherein, the structure optimization of said fluid injector is the conical sleeve of big osculum diameter.

Wherein, the Compressed Gas that is stored in the said housing enters into said foam maker through the Compressed Gas inlet.

Wherein, said Compressed Gas is preferably one or more mixing in nitrogen, air, carbon dioxide or the inert gas.

Wherein, said Compressed Gas inlet can be arranged on the vertical wall of said foam maker shell.

Wherein, said Compressed Gas inlet and said foam solution nozzle are orthogonal settings.

Wherein, the position of said Compressed Gas inlet is arranged in the liquid level top of the fire foam premixed liquid that is stored in fire extinguisher in advance.

Wherein, Said foam maker can be processed an overall structure with the foam suction pipe; Or be connected with said foam suction pipe through connector (like, connectors such as nut), this foam suction pipe is used for the fire foam premixed liquid that is stored in fire extinguisher in advance is transferred in the foam maker.

Wherein, can the fluid injector in the said foam maker be connected with said foam suction pipe.

The present invention also provides a kind of foam annihilator that is used for to produce the compressed air foam generator; It is characterized in that; Comprise: the foam maker shell; Fluid injector, flow spoiler and the control of the fire foam premixed liquid flow in the said foam maker of control entering gets into the Compressed Gas inlet of the compression gas flow in the said foam maker; Gas flow is through the control of Compressed Gas inlet diameter size, and the aperture ratio of said Compressed Gas inlet and said fluid injector is: 1.1~1: 6;

The position of said gas compression inlet is positioned at the top of the liquid level of the fire foam premixed liquid that is stored in fire extinguisher;

Said fluid injector is arranged on the bottom of said foam maker;

Said flow spoiler is arranged on the dead ahead of said fluid injector;

Said fluid injector and the orthogonal setting of said gas compression inlet;

The said fire foam premixed liquid that said fluid injector will enter in the said foam maker is ejected into the vaporific flow of formation on the said flow spoiler;

Said foam maker is used to make the fire foam premixed liquid that gets in the said foam maker to form vaporific flow liquid, and mixes the generation foam with the Compressed Gas impinges in getting into said foam maker.

Wherein, said gas compression inlet is positioned on the vertical wall of said foam maker shell.

Wherein, the material of said foam maker shell is preferably hard materials such as stainless steel, plastics, brass, aluminium.

Wherein, said Compressed Gas is preferably one or more mixing in nitrogen, air, carbon dioxide or the inert gas.

Wherein, preferably cross or rice font have the taper or the rhombus of symmetrical structure to said flow spoiler shape.

Wherein, said foam maker can be processed an overall structure with the foam suction pipe, or is connected with said foam suction pipe through connector, and this foam suction pipe is used for the fire foam premixed liquid that is stored in fire extinguisher in advance is transferred in the foam maker.

The present invention also provides a kind of cart type compressed air foam extinguishing device, it is characterized in that: comprise fire foam premixed liquid storage tank, be used for charging into to said fire foam premixed liquid storage tank the high-pressure cylinder of Compressed Gas; Go-cart; Foam lance, fire-fighting band, tube connector, foam suction pipe; Open valve and above-mentioned foam maker, said foam maker are positioned at the top of said fire foam premixed liquid storage tank.

Wherein, said high-pressure cylinder is connected on the air admission hole of said fire foam premixed liquid storage tank through tube connector, thereby Compressed Gas is provided.

Wherein, said high-pressure cylinder is provided with pressure-reducing valve, the pressure of high-pressure cylinder is reduced to service pressure 0.6MPa after, through tube connector gas is imported in the said fire foam premixed liquid storage tank.

Wherein, Said foam maker can be processed an overall structure with said foam suction pipe; Or pass through connector; Like connectors such as nuts, be connected with said foam suction pipe, said foam suction pipe also is positioned at said fire foam premixed liquid storage tank; Said foam suction pipe one end inserts under the fire foam premixed liquid liquid level in the said fire foam premixed liquid storage tank, and this foam suction pipe is used for the fire foam premixed liquid that is stored in fire foam premixed liquid storage tank in advance is transferred in the foam maker.

Wherein, the Compressed Gas of said foam maker inlet is positioned on the liquid level of said fire foam premixed liquid.

Wherein, it is outside that said Open valve is positioned at said fire foam premixed liquid storage tank, and said foam maker and said Open valve directly link together or link together through tube connector.

Wherein, on said foam lance, also preferably be provided with ball valve, said ball valve is connected through the fire-fighting band with said Open valve.

Wherein, said tube connector is preferably force pipe.

Wherein, said cart type compressed air foam extinguishing device also preferably is provided with pedal, adopts foot-operated mode to open fixed placement or promotes go-cart and walk.

Wherein, said go-cart one end is placed fire foam premixed liquid storage tank, and the other end is placed high-pressure cylinder.

Wherein, foam lance is preferably horn-like, and the surface is no any poroid.

The present invention also provides a kind of cart type compressed air foam extinguishing device, it is characterized in that, comprising: fire foam premixed liquid storage tank; Be used for charging into the high-pressure cylinder of Compressed Gas to said fire foam premixed liquid storage tank; Go-cart, foam lance, tube connector; The foam suction pipe, Open valve and foam maker;

Said foam lance is positioned at the outside of said fire foam premixed liquid storage tank, directly is connected with the fire-fighting band;

Said Open valve is positioned at the outside of said fire foam premixed liquid storage tank;

Said Open valve and said foam lance link together through said tube connector;

Said foam suction pipe and said foam maker are positioned at said fire foam premixed liquid tank inside;

Said foam suction pipe and said foam maker are processed an overall structure, and said foam suction pipe is to communicate with the fluid injector of said foam maker;

Said foam maker is positioned at the top of said fire foam premixed liquid storage tank;

Said Open valve directly is connected with said foam maker or is connected through tube connector;

Said high-pressure cylinder is connected on the air admission hole of said fire foam premixed liquid storage tank through tube connector;

Said foam maker comprises: the foam maker shell; Fluid injector, flow spoiler and the control of the fire foam premixed liquid flow in the said foam maker of control entering gets into the Compressed Gas inlet of the compression gas flow in the said foam maker; Gas flow is through the diameter control of Compressed Gas inlet, and the aperture ratio of Compressed Gas inlet and fluid injector is: 1.1~1: 6;

The position of said gas compression inlet is positioned at the top of the liquid level of the fire foam premixed liquid that is stored in fire foam premixed liquid storage tank;

Said fluid injector is arranged on the bottom of said foam maker;

Said flow spoiler is arranged on the dead ahead of said fluid injector;

Said fluid injector and the orthogonal setting of said gas compression inlet;

The said fire foam premixed liquid that said fluid injector will enter in the said foam maker is ejected into the vaporific flow of formation on the said flow spoiler;

Said foam maker is used to make the fire foam premixed liquid that gets in the said foam maker to form vaporific flow liquid, and mixes the generation foam with the Compressed Gas impinges in getting into said foam maker.

Wherein, said gas compression inlet is positioned on the vertical wall of said foam maker shell.

Wherein, the material of said foam maker shell is preferably hard materials such as stainless steel, plastics, brass, aluminium.

Wherein, said Compressed Gas is preferably one or more mixing in nitrogen, air, carbon dioxide or the inert gas.

Wherein, preferably cross or rice font have the taper or the rhombus of symmetrical structure to said flow spoiler shape.

Wherein, it is outside that said Open valve is positioned at said fire foam premixed liquid storage tank, and said foam maker and said Open valve directly link together or link together through tube connector.

Wherein, on said foam lance, also preferably be provided with ball valve, said ball valve is connected through the fire-fighting band with said Open valve.

Wherein, said tube connector is preferably force pipe.

Wherein, said cart type compressed air foam extinguishing device also preferably is provided with pedal, adopts foot-operated mode to open fixed placement or promotes go-cart and walk.

Wherein, said go-cart one end is placed fire foam premixed liquid storage tank, and the other end is placed high-pressure cylinder.

Wherein, foam lance is preferably horn-like, and the surface is no any poroid.

The present invention also provides above-mentioned compressed air foam fire extinguisher or the above-mentioned application of cart type compressed air foam extinguishing device in fire-fighting fire extinguishing.

Compressed air foam fire extinguisher of the present invention and cart type compressed air foam extinguishing device, this installs mainly by foam storage tank, foam maker, compositions such as high-pressure cylinder, go-cart.Be provided with fluid injector and flow spoiler in the foam maker, and on wall, vertically be drilled with air admission hole.When the fire foam premixed liquid in when ejection, in the fire foam premixed liquid, feed gases at high pressure by force, through foam maker; Gas fully mixes with mixed liquor, through the decompression of Compressed Gas, makes the potential energy of system be converted into kinetic energy; Improved the jet velocity of foam, made jet length farther; Simultaneously, the foam that sends is even, fine and smooth, has powerful covering function, is capped the thing foam stabilization time to reach more than 30 minutes.

The foam maker of research and development has the characteristics of even bubble, current stabilization, kinetic energy, and the daily atmospheric pressure state that is in of foam tank makes service pressure have only 0.4MPa to 0.65MPa, also is lower than existing equipment 1.2MPa, the security that has improved this device.

The present invention also provides a kind of backpack, fixed or portable extinguishing device, it is characterized in that: comprise above-mentioned foam maker.

The present invention also provides a kind of installation method of cart type compressed air foam extinguishing device, it is characterized in that, comprising:

The first step is injected the fire foam premixed liquid in said fire foam premixed liquid tank inside, and the volume of packing into of said fire foam premixed liquid accounts for the 65%-85% of said fire foam premixed liquid flask volume;

Second step was installed on said fire foam premixed liquid tank inside with said foam maker and foam suction pipe, and wherein, said foam maker and said foam suction pipe are made into a global facility in advance;

In the 3rd step, said fire foam premixed liquid storage tank and said high-pressure cylinder are linked together through tube connector.

The present invention also provides the method for using of above-mentioned cart type compressed air foam extinguishing device, it is characterized in that:

Open the high-pressure cylinder valve, after pressure-reducing valve reduced to 0.4MPa to 0.65MPa, the gas in the said steel cylinder got into fire foam premixed liquid storage tank; Gas is divided into two-way after getting into storage tank, and the said foam suction pipe of leading up to is pressed into the foam premixed liquid and gets in the said foam maker, is being ejected into the vaporific flow liquid of formation on the said flow spoiler under the effect of said foam jet; Another road gas enters in the said foam maker through said Compressed Gas inlet, mixes collision with said vaporific flow liquid; Produce foam, outside through said Open valve ejection fire foam premixed liquid storage tank, get in the fire-fighting band; Through foam lance, implement fire extinguishing or covering at last.

Below will combine accompanying drawing and embodiment to specify embodiment of the present invention, how the application technology means solve technical problem to the present invention whereby, and the implementation procedure of reaching technique effect can make much of and implement according to this.

Fig. 1 is an embodiment of the invention cart type compressed air foam extinguishing device sketch map;

Fig. 2 is an embodiment of the invention cart type compressed air foam generator sketch map;

Fig. 3 is the shape sketch map of flow spoiler of the present invention.

Wherein each Reference numeral is:

1. foam lance; 2. ball valve; 3. fire-fighting band; 4. foam maker; 5. fire foam premixed liquid storage tank; 6. flow spoiler; 7. Open valve; 8. air inlet; 9. go-cart; 10. pressure-reducing valve; 11. force pipe; 12 high-pressure cylinders; 13 pedals; 14 foam suction pipes; 15 fluid injectors; 16 Compressed Gas inlet; 17 foam maker shells.

Extremely shown in Figure 3 like Fig. 1; One end of the go-cart 9 of cart type compressed air foam extinguishing device is placed with fire foam premixed liquid storage tank 5, and the other end is placed with the high-pressure cylinder 12 that is used for charging into to said fire foam premixed liquid storage tank 5 Compressed Gas, and foam lance 1 is positioned at the outside of said fire foam premixed liquid storage tank 5; Open valve 7 is positioned at the outside of fire foam premixed liquid storage tank 5; Ball valve 2 on Open valve 7 and the foam lance 1 links together through fire-fighting band 3, and foam suction pipe 14 and foam maker 4 are positioned at the inside of fire foam premixed liquid storage tank 5, and foam suction pipe 14 is processed an overall structure with foam maker 4; Foam suction pipe 14 is to communicate with the fluid injector of foam maker 4; Foam maker 4 is positioned at the top of said fire foam premixed liquid storage tank 5, and Open valve 7 directly is connected with foam maker 4, and high-pressure cylinder 12 is connected on the air admission hole 8 of fire foam premixed liquid storage tank 5 through force pipe 11; Foam maker 4 comprises foam maker shell 17; Fluid injector 15, flow spoiler 6 and Compressed Gas inlet 16, fluid injector 15 is arranged on the bottom of foam maker 4, and flow spoiler 6 is arranged on the dead ahead of fluid injector 15; Fluid injector 15 and the 16 orthogonal settings of gas compression inlet; Have Compressed Gas inlet 16 on the vertical wall of foam maker shell 17, Compressed Gas 16 positions that enter the mouth are positioned at the top of liquid level of the fire foam premixed liquid of fire foam premixed liquid storage tank 5, and fluid injector 15 is used to control and gets into the interior said fire foam premixed liquid flow of foam maker 4; Compressed Gas inlet 16 is used to control the compressed nitrogen flow that gets in the foam maker 4; Flow spoiler 6 be shaped as rhombus, Compressed Gas inlet and the orthogonal setting of foam solution nozzle, the material employing brass manufacturing of the shell of foam maker 4 with symmetrical structure; Foam lance 1 is horn-like, and nozzle surface does not have any poroid.

During installation; Preferentially in fire foam premixed liquid storage tank 5, inject the fire foam premixed liquid; Its filling weight accounts for 80% of housing 8 volumes; Foam maker 4 and foam suction pipe 14 are installed then, guarantee that foam suction pipe 14 gets in the fire foam premixed liquid, and the Compressed Gas on the foam maker 4 are gone into 16 mouthfuls of tops that are positioned at the liquid level of fire foam premixed liquid; Open valve 7 and foam maker 4 are directly linked together, again the ball valve 2 on Open valve 7 and the foam lance 1 is linked together through fire-fighting band 3.

When needs are put out a fire or cover, open the pressure-reducing valve 10 on the high-pressure cylinder 12, when being decompressed to about 0.6MPa; Nitrogen gets into the foam storage tank, and foam solution injects foam maker 4 from foam suction pipe 14, directly impacts mixed liquor flow spoiler 6; Flow smashes thereupon, and is dispersed, simultaneously; Compressed Gas in the storage tank 5 carries out further fully mixing with dispergated flow through the air inlet of foam maker, forms compressed air foam, and is outside through the Open valve 7 ejection storage tanks of foam tank arrangement; Get in the press belt 3,, implement to put out a fire or cover at last through ball valve 2 and foam lance 1.

Compressed air foam fire extinguisher of the present invention can be made into the backpack extinguishing device, can be fixed on also that the part as extinguishing device forms fixed or other portable extinguishing devices on the carriers such as other go-carts.

The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But everyly do not break away from technical scheme content of the present invention,, still belong to the protection domain of technical scheme of the present invention according to any simple modification, equivalent variations and the remodeling that technical spirit of the present invention is done above instance.

All are above-mentioned to be the primary device for carrying out said of this intellectual property, does not set restriction and implements this new device and detection method and/or method of operating with other form.Those skilled in the art will utilize this important information, foregoing revised, to realize similar implementation status.But all are based on modification of the present invention or transform new method, belong to the right of reservation.

Claims (10)

1. compressed air foam generator; It is characterized in that: comprise the foam maker shell; Fluid injector, flow spoiler and the control of the fire foam premixed liquid flow in the said foam maker of control entering gets into the Compressed Gas inlet of the compression gas flow in the said foam maker; Said foam maker is used to make the fire foam premixed liquid that gets in the said foam maker to form vaporific flow liquid, and mixes the generation foam with the Compressed Gas impinges in getting into said foam maker.
2. compressed air foam fire extinguisher as claimed in claim 1 is characterized in that: said Compressed Gas inlet and said fluid injector are orthogonal settings, and the diameter ratio of gas access diameter and fluid injector is: 1: 1~1: 6.
3. according to claim 1 or claim 2 compressed air foam fire extinguisher; It is characterized in that: said Compressed Gas inlet is positioned at the liquid level top of the fire foam premixed liquid that is stored in said housing, and said flow spoiler shape preferably cross or meter font has the taper or the rhombus of symmetrical structure.
4. like the described compressed air foam fire extinguisher of claim 1 to 3; It is characterized in that: said Compressed Gas is preferably one or more mixing in nitrogen, air, carbon dioxide or the inert gas, and the material of said foam maker shell is preferably hard materials such as stainless steel, plastics, brass, aluminium.
5. compressed air foam fire extinguisher; It is characterized in that; Comprise: the foam maker shell; Fluid injector, flow spoiler and the control of the fire foam premixed liquid flow in the said foam maker of control entering gets into the Compressed Gas inlet of the compression gas flow in the said foam maker, and gas flow is through the big or small control of Compressed Gas inlet diameter, and the aperture ratio of Compressed Gas inlet diameter and fluid injector diameter is: 1.1~1: 6;
The position of said gas compression inlet is positioned at the top of the liquid level of the fire foam premixed liquid that is stored in fire extinguisher;
Said fluid injector is arranged on the bottom of said foam maker;
Said flow spoiler is arranged on the dead ahead of said fluid injector;
Said fluid injector and the orthogonal setting of said gas compression inlet;
The said fire foam premixed liquid that said fluid injector will enter in the said foam maker is ejected into the vaporific flow of formation on the said flow spoiler;
Said foam maker is used to make the fire foam premixed liquid that gets in the said foam maker to form vaporific flow liquid, and mixes the generation foam with the Compressed Gas impinges in getting into said foam maker.
6. a cart type compressed air foam extinguishing device is characterized in that, comprising: fire foam premixed liquid storage tank; Be used for charging into the high-pressure cylinder of Compressed Gas to said fire foam premixed liquid storage tank; Go-cart, foam lance, fire-fighting band, tube connector; The foam suction pipe, the described foam maker of Open valve and claim 1 to 5.
7. cart type compressed air foam extinguishing device as claimed in claim 6 is characterized in that: said foam suction pipe and said foam maker are made into a global facility.
8. each described cart type compressed air foam extinguishing device application in fire-fighting fire extinguishing of each described compressed air foam fire extinguisher of claim 1 to 5 or claim 6 to 7.
9. a backpack, fixed or portable extinguishing device is characterized in that: comprise each described compressed air foam fire extinguisher of claim 1 to 5.
10. the method for using of claim 6 or 7 each said cart type compressed air foam extinguishing devices is characterized in that:
Open said high-pressure cylinder valve, reduce to 0.4MPa to 0.65MPa through pressure-reducing valve, the gas in the said steel cylinder gets into fire foam premixed liquid storage tank; Said fire foam premixed liquid gets in the said foam maker through said foam suction pipe, is being ejected into the vaporific flow liquid of formation on the said flow spoiler under the effect of said foam jet, and said Compressed Gas enters in the said foam maker through said Compressed Gas inlet; Mix collision with said vaporific flow liquid; Produce foam, outside through said Open valve ejection fire foam premixed liquid storage tank, get in the fire-fighting band; Through foam lance, implement fire extinguishing or covering at last.
CN2011103175856A 2011-10-18 2011-10-18 Foam generator for compressed gas CN102500079A (en)

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Cited By (10)

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CN102908740A (en) * 2012-11-07 2013-02-06 北京天必达科技有限公司 Trolley-type impulse pneumatic spraying water gun
CN104759050A (en) * 2015-03-19 2015-07-08 中国石油化工股份有限公司 Bulk-flow built-in non-premixed compressed air foam extinguishing apparatus
CN104771853A (en) * 2015-03-19 2015-07-15 中国石油化工股份有限公司 Large-flow built-in premix-type compressed air/foam extinguishing device
CN105126276A (en) * 2015-09-11 2015-12-09 中国石油化工股份有限公司 Foam generator with combined turbulence parts
CN105327475A (en) * 2015-11-12 2016-02-17 中国石油化工股份有限公司 Energy storage type compressed gas foam fire extinguishing device
CN105344041A (en) * 2015-11-12 2016-02-24 中国石油化工股份有限公司 Pressure storage type compressed gas foam extinguishing system
CN105521720A (en) * 2015-12-21 2016-04-27 西安石油大学 Foam generator
CN106581897A (en) * 2016-11-25 2017-04-26 南阳师范学院 Carbon dioxide colloidal foam fire extinguishing device
CN108525167A (en) * 2017-03-01 2018-09-14 中国石油化工股份有限公司 It is a kind of to utilize the foam production method of chemical reaction and its application and extinguishment fire suppression method
WO2019006657A1 (en) * 2017-07-04 2019-01-10 陆健 New fire-fighting fire extinguisher

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CN1597022A (en) * 2004-09-10 2005-03-23 张新国 Projected closed water-atomizing nozzle
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

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CN1597022A (en) * 2004-09-10 2005-03-23 张新国 Projected closed water-atomizing nozzle
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

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102908740A (en) * 2012-11-07 2013-02-06 北京天必达科技有限公司 Trolley-type impulse pneumatic spraying water gun
CN104759050A (en) * 2015-03-19 2015-07-08 中国石油化工股份有限公司 Bulk-flow built-in non-premixed compressed air foam extinguishing apparatus
CN104771853A (en) * 2015-03-19 2015-07-15 中国石油化工股份有限公司 Large-flow built-in premix-type compressed air/foam extinguishing device
CN105126276A (en) * 2015-09-11 2015-12-09 中国石油化工股份有限公司 Foam generator with combined turbulence parts
CN105126276B (en) * 2015-09-11 2018-03-23 中国石油化工股份有限公司青岛安全工程研究院 A kind of foam-making apparatus of band combination spoiler
CN105327475A (en) * 2015-11-12 2016-02-17 中国石油化工股份有限公司 Energy storage type compressed gas foam fire extinguishing device
CN105344041A (en) * 2015-11-12 2016-02-24 中国石油化工股份有限公司 Pressure storage type compressed gas foam extinguishing system
CN105521720A (en) * 2015-12-21 2016-04-27 西安石油大学 Foam generator
CN105521720B (en) * 2015-12-21 2018-01-16 西安石油大学 A kind of foam maker
CN106581897A (en) * 2016-11-25 2017-04-26 南阳师范学院 Carbon dioxide colloidal foam fire extinguishing device
CN106581897B (en) * 2016-11-25 2018-03-27 南阳师范学院 Carbon dioxide colloidal foam extinguishing device
CN108525167A (en) * 2017-03-01 2018-09-14 中国石油化工股份有限公司 It is a kind of to utilize the foam production method of chemical reaction and its application and extinguishment fire suppression method
WO2019006657A1 (en) * 2017-07-04 2019-01-10 陆健 New fire-fighting fire extinguisher

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