CN204485144U - Gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system - Google Patents
Gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system Download PDFInfo
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- CN204485144U CN204485144U CN201520170323.5U CN201520170323U CN204485144U CN 204485144 U CN204485144 U CN 204485144U CN 201520170323 U CN201520170323 U CN 201520170323U CN 204485144 U CN204485144 U CN 204485144U
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- inlet pipe
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Abstract
The utility model provides gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system, belongs to fire service inventory technical field.It solve the problem of existing foam maker job insecurity.This gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system comprises Compressed Gas inlet pipe and housing, shell one end is connected with foam solution inlet pipe, the lateral wall of the end that housing is connected with foam solution inlet pipe has the connecting portion of protrusion, the axis of connecting portion and the axis perpendicular of foam solution inlet pipe, connecting portion end face is provided with annular groove, Compressed Gas inlet pipe comprises a Plug Division cylindrically, Plug Division is plugged in annular groove, Compressed Gas inlet pipe outer rim has annular shoulder block, connecting portion outer rim has annular convex shoulder and this annular convex shoulder is fixed together by some screws and annular shoulder block.This gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system has the advantage of working stability.
Description
Technical field
The utility model belongs to fire service inventory technical field, relates to gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system.
Background technology
In recent years, along with the high speed development of economic society, fire hazard situation is more and more severeer, the sudden fire of all kinds of occasion gets more and more, fire scale is increasing, and the loss caused is more and more higher, and traditional water and suction type fixed froth installation more and more can not adapt to present fire hazard situation.Suction type fixed froth installation, suck air by spraying the negative-pressure sucking formed on suction type foam lance, form foam after the mixing of gas, liquid and be used for fire extinguishing, coefficient of foaming is low, bubbling efficiency is low, and water, foam solution utilization rate are low, and waste is serious, require high to the water source needed for fire extinguishing and dynamical system, extinguishing effect is poor.Traditional water and suction type fixed froth installation, in fire extinguishing under battle conditions, the water-band being full of water or foam mixing liquid is very heavy, cannot move to very high position, and pressure high altitude only has tens meters, cannot implement the eminence fire extinguishing of high-rise building etc.
For this situation, people have recognized this deficiency, and carry out improvement, as the gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system [application number: 201110186008.8 that Chinese patent literature data openly proposes; Application publication number: CN 102247673 Y], comprise housing, one end of housing is connected with foam solution inlet pipe and Compressed Gas inlet pipe, the other end is for exporting room, also comprise mixed foaming room, mixed foaming room takes the interior middle part of housing, the input of mixed foaming room is connected with air chamber with foam solution inlet pipe, wherein air chamber be inner walls, the space that surrounds of foam solution inlet pipe outer wall and mixed foaming room, air chamber is connected with Compressed Gas inlet pipe, the output of mixed foaming room is connected with output room, and mixed foaming indoor are provided with auxiliary mixed foaming medium.
Above-mentioned foam maker by setting up mixed foaming room, and arranges auxiliary mixed foaming medium in mixed foaming indoor, adds coefficient of foaming, bubbling efficiency reaches absolutely, water, foam solution utilization rate are high, and the water that goes out is effective, thus overcome prior art Problems existing.But still there is a problem in this foam maker: the flow direction of foam solution is identical with the flow direction of Compressed Gas, make reaching under foam solution and the well-mixed prerequisite of Compressed Gas, it is comparatively accurate that the flow velocity of foam solution and Compressed Gas must control, if do not control speed well, can affect to the mixing of foam solution and Compressed Gas.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes that a kind of foam solution utilization rate is high, the gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system of working stability.
The purpose of this utility model realizes by following technical proposal: gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system, comprise Compressed Gas inlet pipe and housing cylindrically, described shell one end is connected with foam solution inlet pipe, the described housing other end is for exporting room, auxiliary mixed foaming medium is filled with in described housing, it is characterized in that, the lateral wall of the end that described housing is connected with foam solution inlet pipe has the connecting portion of protrusion, described connecting portion cylindrically and the axis perpendicular of the axis of this connecting portion and foam solution inlet pipe, described connecting portion end face is provided with annular groove, described Compressed Gas inlet pipe comprises a Plug Division cylindrically, described Plug Division is plugged in described annular groove, described Plug Division makes both be connected the hermetically-sealed construction sealed with being provided with between annular groove, described Compressed Gas inlet pipe outer rim has annular shoulder block, described connecting portion outer rim has annular convex shoulder and this annular convex shoulder is fixed together by some screws and annular shoulder block.
During use, foam solution is pressed into mixed foaming indoor by foam solution inlet pipe, simultaneously a certain proportion of Compressed Gas (air, nitrogen or inert gas) to be entered in housing by Compressed Gas inlet pipe and foams under mixing with foam solution the effect being incorporated in auxiliary mixed foaming medium, produce the fire foam of extinguishing property the best, final with malleation form, exporting by exporting room, implementing fire extinguishing from spray gun or shower nozzle ejection.
The axis of connecting portion and the axis perpendicular of foam solution inlet pipe, namely the flow direction of foam solution and Compressed Gas flow to perpendicular, make foam solution fully to contact with Compressed Gas and to mix, effectively improve the utilization rate of foam solution.Simultaneously, perpendicular by arranging flowing to of the flow direction of foam solution and Compressed Gas, parallel with the flow direction of Compressed Gas relative to the flow direction of foam solution in prior art, reduce the accuracy to foam solution and Compressed Gas flow control, make the amount of each fire foam exported keep comparatively stable value, there is the advantage of working stability.
In above-mentioned gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system, described Plug Division outer rim has draw-in groove in the form of a ring, described hermetically-sealed construction comprises the one 0 RunddichtringO be located in draw-in groove, and the described outer peripheral face of the one 0 RunddichtringO and the madial wall of described draw-in groove lean.
By arranging the one 0 RunddichtringO between connecting portion and draw-in groove, there is the advantage of good sealing effect, Compressed Gas being entered in housing completely and fully mixes with foam solution, effectively improve the utilization rate of foam solution.
In above-mentioned gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system, the maximum gauge of described Plug Division and the groove width of described annular groove match.
Namely the maximum gauge of Plug Division is slightly less than the groove width of annular groove, to reduce the gap between Plug Division lateral wall and annular groove madial wall, make the one 0 RunddichtringO generation deformation, improve the sealing that Plug Division is connected with annular groove, improve the utilization rate of foam solution further.
Alternatively, in above-mentioned gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system, described hermetically-sealed construction comprises the sealing gasket being positioned at annular groove, and described sealing gasket is circular and the both ends of the surface of sealing pad offset with the diapire of Plug Division and annular groove respectively.
Sealing gasket is set between Plug Division and the diapire of annular groove and can reaches good sealing equally, effectively improve the utilization rate of foam solution.
In above-mentioned gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system, described foam solution inlet pipe is cylindrical and outlet end that is this foam solution inlet pipe is screwed onto in described housing, inside the outlet end of described foam solution inlet pipe, there is ring-shaped step, be fixed with in discoideus screen pack by glue in described ring-shaped step.
By arranging screen pack at the outlet end of foam solution inlet pipe, foam solution filters, and prevents impurity from entering in housing the mixing affected between foam solution and Compressed Gas, effectively improves the stability during work of this foam maker.
Compared with prior art, this gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system has the following advantages:
1, the axis of connecting portion and the axis perpendicular of foam solution inlet pipe, namely the flow direction of foam solution and Compressed Gas flow to perpendicular, make foam solution fully to contact with Compressed Gas and to mix, effectively improve the utilization rate of foam solution.
2, perpendicular by arranging flowing to of the flow direction of foam solution and Compressed Gas, parallel with the flow direction of Compressed Gas relative to the flow direction of foam solution in prior art, reduce the accuracy to foam solution and Compressed Gas flow control, make the amount of each fire foam exported keep comparatively stable value, there is the advantage of working stability.
3, by arranging screen pack at the outlet end of foam solution inlet pipe, foam solution filters, and prevents impurity from entering in housing the mixing affected between foam solution and Compressed Gas, effectively improves the stability during work of this foam maker.
Accompanying drawing explanation
Fig. 1 is the structural representation of this foam maker;
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
In figure, 1, Compressed Gas inlet pipe; 1a, Plug Division; 1b, annular shoulder block; 2, housing; 2a, output room; 2b, connecting portion; 2c, annular convex shoulder; 3, foam solution inlet pipe; 4, auxiliary mixed foaming medium; 5, stainless (steel) wire; 6, screen pack; 7, screw; 8, the one 0 RunddichtringO.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system is made up of Compressed Gas inlet pipe 1, housing 2, foam solution inlet pipe 3 etc.Wherein, housing 2 cylindrically and one end of this housing 2 be connected with foam solution inlet pipe 3, this housing 2 other end for export room 2a.
Specifically, be filled with auxiliary mixed foaming medium 4 in housing 2, wherein, auxiliary mixed foaming medium 4 can be glass marble or stainless steel.Auxiliary mixed foaming medium 4 is separated by stainless (steel) wire 5 with output room 2a.Cylindrical and the outlet end that is this foam solution inlet pipe 3 of foam solution inlet pipe 3 is screwed onto in housing 2.The 20 RunddichtringO making both connect sealing is provided with between the outlet end lateral wall of foam solution inlet pipe 3 and housing 2 madial wall.As shown in Figure 1, inside the outlet end of foam solution inlet pipe 3, there is ring-shaped step, be fixed with in discoideus screen pack 6 by glue in ring-shaped step, thus the foam solution entered in housing 2 is filtered.
As depicted in figs. 1 and 2, the lateral wall of the end that housing 2 is connected with foam solution inlet pipe 3 has the connecting portion 2b of protrusion, connecting portion 2b cylindrically and the axis of this connecting portion 2b and the axis perpendicular of foam solution inlet pipe 3.Connecting portion 2b end face is provided with annular groove, and Compressed Gas inlet pipe 1 comprises a Plug Division 1a cylindrically and this Plug Division 1a is plugged in annular groove.Compressed Gas inlet pipe 1 outer rim has annular shoulder block 1b, connecting portion 2b outer rim has annular convex shoulder 2c and this annular convex shoulder 2c is fixed together with annular shoulder block 1b by some screws 7.
Further illustrate, annular convex shoulder 2c and annular shoulder block 1b is abutted together and makes the connection between Compressed Gas inlet pipe 1 and housing 2 more firm.Plug Division 1a makes both be connected the hermetically-sealed construction sealed with being provided with between annular groove, in the present embodiment, Plug Division 1a outer rim has draw-in groove in the form of a ring, hermetically-sealed construction comprises the one 0 RunddichtringO 8 be located in draw-in groove, the outer peripheral face of the one 0 RunddichtringO 8 and the madial wall of draw-in groove lean and make the connection between Plug Division 1a and draw-in groove keep sealing preferably, Compressed Gas entered in housing 2 completely and fully mixes with foam solution, effectively improve the utilization rate of foam solution.
Further optimization, the maximum gauge of Plug Division 1a and the groove width of annular groove match.Namely the maximum gauge of Plug Division 1a is slightly less than the groove width of annular groove, to reduce the gap between Plug Division 1a lateral wall and annular groove madial wall, make 0 RunddichtringO generation deformation, improve the sealing that Plug Division 1a is connected with annular groove, improve the utilization rate of foam solution further.
During use, foam solution is pressed into mixed foaming indoor by foam solution inlet pipe 3, simultaneously a certain proportion of Compressed Gas (air, nitrogen or inert gas) to be entered in housing 2 by Compressed Gas inlet pipe 1 and foams under mixing with foam solution the effect being incorporated in auxiliary mixed foaming medium 4, produce the fire foam of extinguishing property the best, final with malleation form, exporting by exporting room 2a, implementing fire extinguishing from spray gun or shower nozzle ejection.
Embodiment two
The present embodiment two with the structure of embodiment one and principle substantially identical, different place is: hermetically-sealed construction comprises the sealing gasket being positioned at annular groove, and sealing gasket is circular and the both ends of the surface of sealing pad offset with the diapire of Plug Division 1a and annular groove respectively.Sealing gasket is set between Plug Division 1a and the diapire of annular groove and can reaches good sealing equally, effectively improve the utilization rate of foam solution.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (5)
1. gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system, comprise Compressed Gas inlet pipe and housing cylindrically, described shell one end is connected with foam solution inlet pipe, the described housing other end is for exporting room, auxiliary mixed foaming medium is filled with in described housing, it is characterized in that: the connecting portion lateral wall of the end that described housing is connected with foam solution inlet pipe with protrusion, described connecting portion cylindrically and the axis perpendicular of the axis of this connecting portion and foam solution inlet pipe, described connecting portion end face is provided with annular groove, described Compressed Gas inlet pipe comprises a Plug Division cylindrically, described Plug Division is plugged in described annular groove, described Plug Division makes both be connected the hermetically-sealed construction sealed with being provided with between annular groove, described Compressed Gas inlet pipe outer rim has annular shoulder block, described connecting portion outer rim has annular convex shoulder and this annular convex shoulder is fixed together by some screws and annular shoulder block.
2. gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system according to claim 1, it is characterized in that: described Plug Division outer rim has draw-in groove in the form of a ring, described hermetically-sealed construction comprises the one 0 RunddichtringO be located in draw-in groove, and the described outer peripheral face of the one 0 RunddichtringO and the madial wall of described draw-in groove lean.
3. gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system according to claim 2, is characterized in that: the maximum gauge of described Plug Division and the groove width of described annular groove match.
4. gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system according to claim 1, it is characterized in that: described hermetically-sealed construction comprises the sealing gasket being positioned at annular groove, described sealing gasket is circular and the both ends of the surface of sealing pad offset with the diapire of Plug Division and annular groove respectively.
5. gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system according to claim 1, it is characterized in that: described foam solution inlet pipe is cylindrical and outlet end that is this foam solution inlet pipe is screwed onto in described housing, inside the outlet end of described foam solution inlet pipe, there is ring-shaped step, be fixed with in discoideus screen pack by glue in described ring-shaped step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520170323.5U CN204485144U (en) | 2015-03-25 | 2015-03-25 | Gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520170323.5U CN204485144U (en) | 2015-03-25 | 2015-03-25 | Gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system |
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| Publication Number | Publication Date |
|---|---|
| CN204485144U true CN204485144U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520170323.5U Expired - Fee Related CN204485144U (en) | 2015-03-25 | 2015-03-25 | Gas-liquid proportioning mixed foam maker of compressed gas foam fire-fighting system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108025200A (en) * | 2015-11-03 | 2018-05-11 | 沃特斯公司 | Compressed-air foam fluid mixer |
| TWI707720B (en) * | 2018-12-11 | 2020-10-21 | 日商三菱日立電力系統股份有限公司 | Gas-liquid mixing device and exhaust desulfurization device with gas-liquid mixing device |
| CN115364407A (en) * | 2022-08-31 | 2022-11-22 | 徐工消防安全装备有限公司 | Telescopic fire-fighting foam foaming device, system and foaming method |
-
2015
- 2015-03-25 CN CN201520170323.5U patent/CN204485144U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108025200A (en) * | 2015-11-03 | 2018-05-11 | 沃特斯公司 | Compressed-air foam fluid mixer |
| TWI707720B (en) * | 2018-12-11 | 2020-10-21 | 日商三菱日立電力系統股份有限公司 | Gas-liquid mixing device and exhaust desulfurization device with gas-liquid mixing device |
| CN115364407A (en) * | 2022-08-31 | 2022-11-22 | 徐工消防安全装备有限公司 | Telescopic fire-fighting foam foaming device, system and foaming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20210325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |