CN104984496A - Wet-type tail-end foam proportion mixing device - Google Patents
Wet-type tail-end foam proportion mixing device Download PDFInfo
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- CN104984496A CN104984496A CN201510465436.2A CN201510465436A CN104984496A CN 104984496 A CN104984496 A CN 104984496A CN 201510465436 A CN201510465436 A CN 201510465436A CN 104984496 A CN104984496 A CN 104984496A
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- foam
- orifice plate
- seawater
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Multiple-Way Valves (AREA)
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Abstract
The invention discloses a wet-type tail-end foam proportion mixing device, and belongs to the technical field of fire equipment. The wet-type tail-end foam proportion mixing device comprises a seawater flow meter, a seawater repair valve, a seawater electric valve, a seawater inlet pipe and a proportion mixer which are communicated with a seawater inlet in sequence and a foam concentrate flow meter, a foam concentrate check valve, a foam magnetic valve, a foam concentrate inlet pipe and a rotatable regulating device which are communicated with a foam concentrate inlet in sequence; the rotatable regulating device is communicated with a foam concentrate inlet port of the proportion mixer, and the proportion mixer is communicated with a mixed liquor outlet. According to the wet-type tail-end foam proportion mixing device, by means of the rotatable regulating device, the mixing ratio of foam concentrate and seawater can be regulated accurately, and mixing ratio errors caused by the flow fluctuation are avoided.
Description
Technical field
The invention belongs to fire-fighting equipment technical field, particularly a kind of wet type distal foam fire extinguishing proportion mixer.
Background technology
At present, the pressure type proportion mixing device of the foam fire fighting system employing that China is traditional, although mixing ratio is more stable, but it is oversize to form the mixed liquor used time, easy incur loss through delay fire extinguishing opportune time, can not the very first time by fire suppression in bud, and when system working pressure instability time, mixing ratio there will be fluctuation in various degree, causes error.
Mixing ratio meeting bigger than normal causes the waste of foam dope, increases cost; Mixing ratio is less than normal, cannot reach the extinguishing effect of expection, causes heavy losses to the country and people's lives and properties.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of this invention is to provide a kind of wet type distal foam proportion mixer, when fire occurs, rapidly seawater and foam dope can be carried out accurate ratio mixing at end, 5 ~ 10s both can carry out foam and spurt, thus catch the opportune time of fire extinguishing, realize fire extinguishing rapidly and efficiently.
For realizing above-mentioned technical purpose, the present invention adopts following technical scheme to be achieved.
A kind of wet type distal foam fire extinguishing proportion mixer, comprises the seawater flow meter, seawater service valve, seawater motor-driven valve, seawater inlet pipe, the proportioner that are communicated with successively with seawater inlet; The foam dope flowmeter be communicated with successively with foam dope entrance, foam dope check-valves, foam magnetic valve, foam dope inlet pipe, rotatable adjusting device; What described rotatable adjusting device was communicated with proportioner enters foam dope mouth, and described proportioner is communicated with mixture export.
As technical scheme further, the rotation orifice plate that described rotatable adjusting device comprises two special-shaped flanges and is clamped between two special-shaped flanges, described two special-shaped flanges and rotation orifice plate offer metering orifice respectively, rotate orifice plate relative to two special-shaped flange rotaries, the area that the metering orifice making special-shaped flange and rotate orifice plate overlaps constantly changes.
As technical scheme further, described rotatable adjusting device is rotatable self-checking device, the rotation orifice plate that described rotatable self-checking device comprises two special-shaped flanges and is clamped between two special-shaped flanges, and the automatic regulator engaged with described rotation orifice plate.
As technical scheme further, described automatic regulator is provided with sea intake, foam dope import; Described sea intake is led the way by seawater and is communicated with seawater inlet pipe, and described foam dope import is led the way by foam dope and is communicated with foam dope inlet pipe.
As technical scheme further, described rotation orifice plate is provided with first group of tooth bar, described first group of tooth bar engages with group tooth bar of second on described automatic regulator.
As technical scheme further, the outward flange of described rotation orifice plate is located at by described first group of tooth bar.
As technical scheme further, described special-shaped flange is provided with annular slide track, and described rotation orifice plate is provided with the annular boss be slidably matched with annular slide track.
As technical scheme further, the sliding interface of described annular boss and annular slide track is provided with O-ring seal.
As technical scheme further, be inlaid with ball near the outer of described rotation orifice plate, corresponding special-shaped flange surface is provided with ball grooves.
As technical scheme further, described rotatable adjusting device is rotatable manual regulating device, the rotation orifice plate that described rotatable manual regulating device comprises two special-shaped flanges and is clamped between two special-shaped flanges, and the rotary handle be connected with described rotation orifice plate.
Beneficial effect of the present invention is:
Distal foam fire extinguishing proportion mixer is provided with at zone of protection, it is inner that seawater and foam dope have arrived distal foam fire extinguishing proportion mixer, when fire occurs, foam fire-fighting proportion mixer can rapidly by seawater and foam dope mixing, and by the tip injection devices that mixture export connects, mixed liquor is ejected into scene of fire, shorten the incorporation time of foam dope, the very first time by fire suppression in bud; Rotatable adjusting device is provided with in distal foam fire extinguishing proportion mixer, can the mixing ratio of fine adjustment foam dope and seawater by rotatable adjusting device, avoid the mixing ratio error because flowed fluctuation causes; Two special-shaped flanges in rotatable adjusting device and rotate between orifice plate and can relatively rotate, facilitate being connected and installed of self-checking device and two side ducts, the sliding interface of annular boss and annular slide track is provided with O-ring seal, O-ring seal can not only sea water resistance and foam dope corrosion, also assures that the sealing of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of mixing arrangement in first embodiment of the invention;
Fig. 2 is the perspective view of the rotatable self-checking device shown in Fig. 1;
Fig. 3 is the rotatable self-checking device side view shown in Fig. 1;
Fig. 4 is the part-structure profile of the rotatable self-checking device shown in Fig. 1;
Fig. 5 is the structural representation of the special-shaped flange shown in Fig. 2;
Fig. 6 is the structural representation of the rotation orifice plate shown in Fig. 2;
Fig. 7 rotates the perspective view that orifice plate coordinates with rotary handle in second embodiment of the invention mixing arrangement;
In figure: 1, seawater flow meter; 2, seawater service valve; 3, seawater motor-driven valve; 4, seawater inlet pipe; 5, proportioner; 6, rotatable self-checking device; 7, foam dope inlet pipe; 8, foam magnetic valve; 9, foam dope check-valves; 10, foam dope flowmeter;
6-1, special-shaped flange; 6-2, rotation orifice plate; 6-3, ball; 6-4, automatic regulator; 6-5, foam dope import; 6-6, sea intake; 6-7, metering orifice; 6-8, O-ring seal; 6-9, seawater are led the way; 6-10, foam dope are led the way; 6-11 rotary handle;
6-1-1, annular slide track; 6-1-2, ball grooves;
6-2-1, first group of tooth bar; 6-2-2, annular boss; 6-2-3, ball hole;
6-4-1 second group of tooth bar.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
Wet type distal foam fire extinguishing proportion mixer of the present invention, comprises the seawater flow meter 1, seawater service valve 2, seawater motor-driven valve 3, seawater inlet pipe 4, the proportioner 5 that are communicated with successively with seawater inlet; The foam dope flowmeter 10 be communicated with successively with foam dope entrance, foam dope check-valves 9, foam magnetic valve 8, foam dope inlet pipe 7, rotatable adjusting device; What described rotatable adjusting device was communicated with proportioner enters foam dope mouth, and described proportioner is communicated with mixture export.Wherein said rotatable adjusting device is rotatable self-checking device or rotatable manual regulating device, and the mixing arrangement below with regard to different structure is described respectively.
First embodiment:
Please refer to Fig. 1 to 6, the wet type distal foam fire extinguishing proportion mixer described in first embodiment of the invention, comprises the seawater flow meter 1, seawater service valve 2, seawater motor-driven valve 3, seawater inlet pipe 4, the proportioner 5 that are communicated with successively with seawater inlet; The foam dope flowmeter 10 be communicated with successively with foam dope entrance, foam dope check-valves 9, foam magnetic valve 8, foam dope inlet pipe 7, rotatable self-checking device 6; What described rotatable self-checking device 6 was communicated with proportioner 10 enters foam dope mouth, and described proportioner 10 is communicated with mixture export; Can the mixing ratio of fine adjustment foam dope and seawater by rotatable self-checking device 6 and seawater flow meter 1, avoid the mixing ratio error because flowed fluctuation causes.
Please refer to Fig. 2 ~ 6, the rotation orifice plate 6-2 that described rotatable self-checking device 6 comprises two special-shaped flange 6-1 and is clamped between two special-shaped flange 6-1, and the automatic regulator 6-4 engaged with described rotation plate hole 6-2.Two on described rotatable self-checking device 6 special-shaped flange 6-1 and rotate between orifice plate 6-2 and can relatively rotate, facilitate being connected and installed of rotatable self-checking device 6 and two side ducts.
Described two special-shaped flange 6-1 and rotation orifice plate 6-2 offer metering orifice 6-7 respectively; The overlapping area of the metering orifice 6-7 on the metering orifice 6-7 on described special-shaped flange 6-1 and described rotation orifice plate 6-2 constantly changes along with the rotation rotating orifice plate 6-2.
Described special-shaped flange 6-1 is provided with annular slide track 6-1-1, and described rotation orifice plate 6-2 is provided with the annular boss 6-2-2 be slidably matched with annular slide track 6-1-1, and further, the metering orifice 6-7 on described special-shaped flange 6-1 is arranged on the inner side of described annular slide track 6-1-1; The metering orifice of described rotation orifice plate 6-2 is arranged on the surface of described annular boss 6-2-2.
The sliding interface of described annular boss 6-2-2 and annular slide track 6-1-1 is provided with O-ring seal 6-8, and this sliding interface is the face that annular boss 6-2-2 contacts when sliding with annular slide track 6-1-1; O-ring seal 6-8 is sea water resistance and foam dope corrosion not only, also assures that the sealing of entire system.
Be provided with ball hole 6-2-3 near the outer rotating orifice plate 6-2, in described ball hole 6-2-3, be inlaid with ball 6-3, reduce friction, conveniently rotate orifice plate 6-2 and the relative rotation between special-shaped flange 6-1.
Described automatic regulator 6-4 is provided with sea intake 6-6, foam dope import 6-5, and described sea intake 6-6 is communicated with seawater inlet pipe 4, described foam dope import 6-5 and is communicated with foam dope inlet pipe 7 by the seawater 6-9 that leads the way by the foam dope 6-10 that leads the way.
Described rotation orifice plate 6-2 is provided with first group of tooth bar 6-2-1, first group of tooth bar 6-2-1 engages with group tooth bar 6-4-1 of second on automatic regulator 6-4 under the effect of the pressure, the overlapping area of adjustment metering orifice 6-7, thus accurately controls mixing ratio.
Observe the seawater flow on seawater flow meter 1, and calculate foam dope flow in the ratio of design, when there is error in the flow that foam dope calculated flow rate and foam dope flowmeter 10 show in real time, adjustable respective line pressure, form pressure reduction, foam dope and seawater is made to enter into the inner chamber of automatic regulator 6-4 respectively by the foam dope import 6-5 on rotatable self-checking device 6 and sea intake 6-6, under pressure, first group of tooth bar 6-2-1 on second group of tooth bar 6-4-1 driven rotary orifice plate 6-2 on automatic regulator moves, the size of suitable increase or reduction metering orifice 6-7, foam dope calculated flow rate is adjusted to by showing flow in real time, ensure accurate mixing ratio.
Second embodiment:
Please refer to accompanying drawing 7, the rotatable manual regulating device that accompanying drawing 7 is the mixing arrangement described in second embodiment of the invention rotates the perspective view that orifice plate 6-2 coordinates with rotary handle 6-11.
Described rotatable adjusting device is rotatable manual regulating device, and described rotatable manual regulating device comprises two special-shaped flanges and is clamped in the rotation orifice plate 6-2 between two special-shaped flange 6-1, and the rotary handle 6-11 be connected with described rotation orifice plate 6-2.When there is error in the flow that foam dope calculated flow rate and foam dope flowmeter 10 show in real time, manual toggle rotary handle 6-11, to increase or to reduce the size of metering orifice 6-7, being adjusted to foam dope calculated flow rate by showing flow in real time, ensureing accurate mixing ratio.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a wet type distal foam proportion mixer, is characterized in that: comprise the seawater flow meter, seawater service valve, seawater motor-driven valve, seawater inlet pipe, the proportioner that are communicated with successively with seawater inlet; The foam dope flowmeter be communicated with successively with foam dope entrance, foam dope check-valves, foam magnetic valve, foam dope inlet pipe, rotatable adjusting device; What described rotatable adjusting device was communicated with proportioner enters foam dope mouth, and described proportioner is communicated with mixture export.
2. wet type distal foam proportion mixer according to claim 1, it is characterized in that: the rotation orifice plate that described rotatable adjusting device comprises two special-shaped flanges and is clamped between two special-shaped flanges, described two special-shaped flanges and rotation orifice plate offer metering orifice respectively, rotate orifice plate relative to two special-shaped flange rotaries, the area that the metering orifice making special-shaped flange and rotate orifice plate overlaps constantly changes.
3. wet type distal foam proportion mixer according to claim 2, it is characterized in that: described rotatable adjusting device is rotatable self-checking device, the rotation orifice plate that described rotatable self-checking device comprises two special-shaped flanges and is clamped between two special-shaped flanges, and the automatic regulator engaged with described rotation orifice plate.
4. wet type distal foam proportion mixer according to claim 3, is characterized in that: described automatic regulator is provided with sea intake, foam dope import; Described sea intake is led the way by seawater and is communicated with seawater inlet pipe, and described foam dope import is led the way by foam dope and is communicated with foam dope inlet pipe.
5. wet type distal foam proportion mixer according to claim 3, is characterized in that: described rotation orifice plate is provided with first group of tooth bar, described first group of tooth bar engages with group tooth bar of second on described automatic regulator.
6. wet type distal foam proportion mixer according to claim 5, is characterized in that: the outward flange of described rotation orifice plate is located at by described first group of tooth bar.
7. wet type distal foam proportion mixer according to claim 2, it is characterized in that: described special-shaped flange is provided with annular slide track, described rotation orifice plate is provided with the annular boss be slidably matched with annular slide track.
8. wet type distal foam proportion mixer according to claim 7, is characterized in that: the sliding interface of described annular boss and annular slide track is provided with O-ring seal.
9. wet type distal foam proportion mixer according to claim 2, is characterized in that: be inlaid with ball near the outer of described rotation orifice plate, and corresponding special-shaped flange surface is provided with ball grooves.
10. wet type distal foam proportion mixer according to claim 2, it is characterized in that: described rotatable adjusting device is rotatable manual regulating device, the rotation orifice plate that described rotatable manual regulating device comprises two special-shaped flanges and is clamped between two special-shaped flanges, and the rotary handle be connected with described rotation orifice plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510465436.2A CN104984496B (en) | 2015-07-31 | 2015-07-31 | A kind of wet type distal foam proportion mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510465436.2A CN104984496B (en) | 2015-07-31 | 2015-07-31 | A kind of wet type distal foam proportion mixer |
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| Publication Number | Publication Date |
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| CN104984496A true CN104984496A (en) | 2015-10-21 |
| CN104984496B CN104984496B (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510465436.2A Active CN104984496B (en) | 2015-07-31 | 2015-07-31 | A kind of wet type distal foam proportion mixer |
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| KR20070098084A (en) * | 2006-03-31 | 2007-10-05 | 주식회사 윈 | Foam generator for firefighting |
| CN201168362Y (en) * | 2008-03-29 | 2008-12-24 | 陈方明 | Regulation type proportional mixer |
| CN201799250U (en) * | 2010-09-16 | 2011-04-20 | 福建天广消防科技股份有限公司 | Novel foam proportioner |
| CN201880242U (en) * | 2010-11-26 | 2011-06-29 | 上海金盾消防安全设备有限公司 | Fluid driven multi-media proportional mixing device |
| CN102814127A (en) * | 2012-08-30 | 2012-12-12 | 江苏微浪电子科技有限公司 | Fluid proportioning and mixing device |
| CN103007467A (en) * | 2012-12-24 | 2013-04-03 | 东莞市永强汽车制造有限公司 | Compressed air foam proportioner |
| CN203108057U (en) * | 2013-02-25 | 2013-08-07 | 西安新竹防灾救生设备有限公司 | Wet-type foam fire extinguishing system |
| CN203886061U (en) * | 2014-05-30 | 2014-10-22 | 西安新竹防灾救生设备有限公司 | Wet-type terminal proportioning device |
| CN204891019U (en) * | 2015-07-31 | 2015-12-23 | 西安新竹防灾救生设备有限公司 | Terminal foam proportion mixing arrangement of wet -type |
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2015
- 2015-07-31 CN CN201510465436.2A patent/CN104984496B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070098084A (en) * | 2006-03-31 | 2007-10-05 | 주식회사 윈 | Foam generator for firefighting |
| CN201168362Y (en) * | 2008-03-29 | 2008-12-24 | 陈方明 | Regulation type proportional mixer |
| CN201799250U (en) * | 2010-09-16 | 2011-04-20 | 福建天广消防科技股份有限公司 | Novel foam proportioner |
| CN201880242U (en) * | 2010-11-26 | 2011-06-29 | 上海金盾消防安全设备有限公司 | Fluid driven multi-media proportional mixing device |
| CN102814127A (en) * | 2012-08-30 | 2012-12-12 | 江苏微浪电子科技有限公司 | Fluid proportioning and mixing device |
| CN103007467A (en) * | 2012-12-24 | 2013-04-03 | 东莞市永强汽车制造有限公司 | Compressed air foam proportioner |
| CN203108057U (en) * | 2013-02-25 | 2013-08-07 | 西安新竹防灾救生设备有限公司 | Wet-type foam fire extinguishing system |
| CN203886061U (en) * | 2014-05-30 | 2014-10-22 | 西安新竹防灾救生设备有限公司 | Wet-type terminal proportioning device |
| CN204891019U (en) * | 2015-07-31 | 2015-12-23 | 西安新竹防灾救生设备有限公司 | Terminal foam proportion mixing arrangement of wet -type |
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| CN104984496B (en) | 2019-01-25 |
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Effective date of registration: 20230404 Address after: 710075 No. 571, Zhoukang Road, Zhouling Street Office, Qinhan New City, Xixian New District, Xi'an City, Shaanxi Province Patentee after: Xi'an Hsinchu defense emergency Technology Co.,Ltd. Address before: 710075 No. 17, science and technology road, hi tech Development Zone, Shaanxi, Xi'an Patentee before: XI'AN XINZHU FIRE AND RESCUE EQUIPMENT Co.,Ltd. |