CN108014439A - A kind of fine water mist fire-extinguishing system and its application process that application can be mixed with extinguishing fluid - Google Patents
A kind of fine water mist fire-extinguishing system and its application process that application can be mixed with extinguishing fluid Download PDFInfo
- Publication number
- CN108014439A CN108014439A CN201711286851.7A CN201711286851A CN108014439A CN 108014439 A CN108014439 A CN 108014439A CN 201711286851 A CN201711286851 A CN 201711286851A CN 108014439 A CN108014439 A CN 108014439A
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- Prior art keywords
- water
- extinguishing
- fire
- pressure
- extinguishing fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 131
- 239000012530 fluid Substances 0.000 title claims abstract description 70
- 239000003595 mist Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000006837 decompression Effects 0.000 claims abstract description 32
- 239000007921 spray Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M sodium bicarbonate Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims 1
- 230000003670 easy-to-clean Effects 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 238000013022 venting Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
A kind of fine water mist fire-extinguishing system and methods for using them that application can be mixed with extinguishing fluid, system includes fire extinguishing liquid mixing system and the water tank, water mists pump group and the fine mist spray head that are sequentially communicated by pipeline, fire extinguishing liquid mixing system includes decompression pressure obtaning device, venturi type proportioner and the flow regulator being connected, venturi type proportioner also connects a fire extinguishing flow container, the outlet of flow regulator is connected with the water inlet of water mists pump group, and the entrance for being depressured pressure obtaning device is connected with the water outlet of water mists pump group；The partial high pressure water of water mists pump group output flows through venturi type proportioner after decompression pressure obtaning device decompression, enters venturi type proportioner by pressure official post extinguishing fluid, enters back into the mixing application that water and extinguishing fluid are realized in the output of water mists pump group.The present invention can realize the instant mixing of water mists and extinguishing fluid in fire extinguishing procedure, have the advantages that structurally and operationally simple, mixed-precision height, mixing ratio adjust, are easy to clean.
Description
Technical field
The present invention relates to technical field of fire control, and in particular to a kind of fine water mist fire-extinguishing system that application can be mixed with extinguishing fluid
And its application process.
Background technology
Water mists are a kind of high-effect fire-extinguishing technologies, which utilizes high pressure water pump group and fine mist spray head, in higher hydraulic pressure
It is lower that current are decomposed into diameter Dv99（Volume fraction is 99% particle diameter）Less than 1000Water droplet put out a fire.It is near
Year, in order to further lift the extinguishing effect of water mists, people begin to focus on water system extinguishing fluid is pre- as water mists additive
Mix into water, be then refined into water mists and put out a fire.But these water system extinguishing fluids are mostly by alkaline salt（Such as paperFire Safety Journal, 41 (2006) 39-45）, fluorocarbon surfactant（Such as paperProcedia Engineering, 45 ( 2012 ) 649-654）Deng composition, there is certain corrosivity, long-term storage can be caused to water mists
Pump group, water tank, pipeline, valve etc. cause heavy corrosion.Therefore, there is an urgent need for one kind now can make water mists and water system extinguishing fluid only
The fire extinguishing system of mixing application is just carried out in fire extinguishing.
The content of the invention
It is a kind of structurally and operationally simple, mixed the technical problem to be solved in the present invention is overcoming the deficiencies of the prior art and provide
Close precision height, mixing ratio adjusts, service life of equipment is long, it is immediately mixed in fire extinguishing procedure that water mists and extinguishing fluid can be achieved
That closes mixes the fine water mist fire-extinguishing system and its application process of application with extinguishing fluid.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of fine water mist fire-extinguishing system that application can be mixed with extinguishing fluid, including fine water mist fire-extinguishing system body, the water mists
Fire extinguishing system body includes water tank, water mists pump group and the fine mist spray head being sequentially communicated by water pipe, further includes an energy
The fire extinguishing liquid mixing system of output extinguishing fluid, the fire extinguishing liquid mixing system include the decompression being connected immediately in fire extinguishing procedure
Pressure obtaning device, venturi type proportioner and flow regulator, the venturi type proportioner also connect one and go out
Fiery flow container, the outlet of the flow regulator are connected with the water inlet of water mists pump group, be depressured the entrance of pressure obtaning device with it is thin
The water outlet connection of water mist pump group；The partial high pressure water of the water mists pump group output flows after the decompression pressure obtaning device decompression
Through venturi type proportioner, venturi type proportioner is entered by the extinguishing fluid in pressure official post extinguishing fluid tank, then
Output enters the mixing application that water and extinguishing fluid are realized in the output of water mists pump group in proportion.
Further as above-mentioned technical proposal is improved：
Preferably, the pipeline that is connected with venturi type proportioner of fire extinguishing flow container is equipped with first switch valve, closing the
Water mists pump group is opened while one switch valve, fire extinguishing liquid mixing system can be cleaned；The decompression pressure obtaning device enters
Mouthful end is equipped with second switch valve, and the mixing application of extinguishing fluid can be stopped by closing the second switch valve, exclusive use water mists into
Row fire extinguishing.
Preferably, the water mists pump group is plunger pump, its moulding pressure is 1.5-16.0 MPa, more preferably 2.5-
10.0 MPa。
Preferably, the water pressure after the decompression pressure obtaning device decompression is 0.35-1.5 MPa, more preferably 0.5-
1.0MPa。
Preferably, the extinguishing fluid is the NaHCO that content is 50%3The mixing ratio of water-soluble extinguishing fluid, extinguishing fluid and water is led to
Cross venturi type proportioner and flow regulator realization is adjustable step by step, the mixing ratio is 0.2-6%.
Preferably, the decompression pressure obtaning device is using decompression venting valve, electric press regulating valve, self-contained pressure regulator
In one or more combinations.
Preferably, the flow regulator is using self-operated flow control valve, automatically controlled flow control valve, gas control flow tune
Save one or more combinations in valve, proportioning valve, quiescent flow balanced valve.
Flow regulator needs to be corrected mixed traffic before application, and correcting process is：According to the fire extinguishing of design
Liquid mixing ratio, decompression pressure pressure, for different fine mist fire-fighting flows, experiment obtains the aperture of flow regulator, obtains
Obtain the water mists and extinguishing fluid of design mixture ratio.
As a kind of total technical concept, the present invention also provides a kind of application side of fine water mist fire-extinguishing system described above
Method, comprises the following steps：
1）Decompression pressure obtaning device is adjusted to design pressure；
2）According to the quantity and flow of fine mist spray head, calculate and obtain water for fire extinguishing total flow；
3）According to the extinguishing fluid mixing ratio of setting, with reference to water for fire extinguishing total flow, by adjusting flow regulator, mixed
There are the water mists of fixed proportion extinguishing fluid, realize the mixing application of extinguishing fluid and water.
Compared with prior art, the advantage of the invention is that：
1st, the fine water mist fire-extinguishing system that application can be mixed with extinguishing fluid of the invention, by decompression pressure obtaning device, venturi type ratio
Mixer, flow regulator are incorporated to outlet and the entrance of the water mists pump group in fine water mist fire-extinguishing system body after being sequentially connected
On, flow regulator can accurately control the flow of extinguishing fluid, the extinguishing fluid of fixed mixing ratio be obtained, to adapt to different go out
Fire extinguishing water flow is also different used in the institute of the scene of a fire.The partial high pressure water of water mists pump group through decompression pressure obtaning device decompression after, with
The extinguishing fluid of fire extinguishing flow container mixes at venturi type proportioner, and the ratio of extinguishing fluid is realized using flow regulator
Mixing is exported to water mists pump group, you can to realize the instant mixing of water mists and extinguishing fluid in fire extinguishing procedure, has structure
With the advantages that easy to operate, mixed-precision is high, mixing ratio is adjustable.
2nd, the fine water mist fire-extinguishing system that application can be mixed with extinguishing fluid of the invention, the port of export for flow container of putting out a fire are equipped with first
Switch valve, the arrival end for being depressured pressure obtaning device are equipped with second switch valve, close first switch valve, open water mists pump group, you can
Fire extinguishing liquid mixing system is cleaned, is had the advantages that easy to clean；And close second switch valve, you can stop extinguishing fluid
Mixing application, is used alone water mists and puts out a fire, have the advantages that fire-fighting mode is optional at any time, usually during non-fire suppression applications,
Extinguishing fluid and water mist system phase separation, extinguishing fluid not etching apparatus and pipeline.
To sum up, fine water mist fire-extinguishing system of the invention, it is possible to achieve water mists and extinguishing fluid are instant in fire extinguishing procedure
Mixing, has the advantages that simple in structure, mixed-precision is high, stability is high, good economy performance.The application process operation letter of the present invention
Just.
Brief description of the drawings
Fig. 1 is the structure schematic diagram for the fine water mist fire-extinguishing system that the present invention can mix application with extinguishing fluid.
Marginal data：
1st, water mists pump group；2nd, water tank；3rd, fire extinguishing flow container；4th, extinguishing fluid；5th, it is depressured pressure obtaning device；6th, venturi type ratio is mixed
Clutch；7th, flow regulator；8th, fine mist spray head；9th, first switch valve；10th, second switch valve.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the fine water mist fire-extinguishing system that application can be mixed with extinguishing fluid of the present embodiment, including it is water tank 2, thin
Water mist pump group 1, fine mist spray head 8 and one can export the fire extinguishing liquid mixing system of extinguishing fluid, water storage immediately in fire extinguishing procedure
Tank 2, water mists pump group 1 and fine mist spray head 8 are sequentially communicated by water pipe, and the high pressure water of output flows mostly to fine mist spray head,
Realize fire suppression applications.Fire extinguishing liquid mixing system include be connected decompression pressure obtaning device 5, venturi type proportioner 6 and
Flow regulator 7, venturi type proportioner 6 also connect a fire extinguishing flow container 3, the outlet of flow regulator 7 and thin water
The water inlet connection of mist pump group 1, the entrance of decompression pressure obtaning device 5 are connected with the water outlet of water mists pump group 1；Water mists pump group 1
The partial high pressure water of output flows through venturi type proportioner 6 after the decompression pressure obtaning device 5 depressurizes, and pressure water passes through text
In mound during formula proportioner, negative pressure differential is produced between fire extinguishing flow container inside it, by pressure official post extinguishing fluid tank 3
Extinguishing fluid 4 enter venturi type proportioner 6, form water-extinguishing fluid mixed liquor of certain mixed proportion, then through flow tune
Regulating device exports the mixing application for being sprayed by 1 high pressure of water mists pump group and realizing water and extinguishing fluid in proportion, it is possible to achieve thin water
The instant mixing of mist and extinguishing fluid in fire extinguishing procedure, have structurally and operationally it is simple, mixed-precision is high, mixing ratio adjusts
Advantage.
In the present embodiment, flow regulator 7 exports in proportion for adjusting extinguishing fluid, with for different fire extinguishing places
The fire extinguishing water flow used is different, and the flow of extinguishing fluid is accurately controlled, and obtains the extinguishing fluid of fixed mixing ratio.Flow tune
Regulating device needs to be corrected mixed traffic before application, and correcting process is：Taken according to the extinguishing fluid mixing ratio of design, decompression
Pressure pressure, for different fine mist fire-fighting flows, experiment obtains the aperture of flow regulator, obtains the thin of design mixture ratio
Water mist and extinguishing fluid.
In the present embodiment, the pipeline that fire extinguishing flow container 3 is connected with venturi type proportioner 6 is equipped with first switch valve 9,
First switch valve 9 is closed, opens water mists pump group 1, you can fire extinguishing liquid mixing system is cleaned, is had easy to clean excellent
Point.The arrival end of decompression pressure obtaning device 5 is equipped with second switch valve 10, closes second switch valve 10, can stop the mixing of extinguishing fluid
Using exclusive use water mists are put out a fire.
In the present embodiment, decompression pressure obtaning device 5 is preferably using decompression venting valve, electric press regulating valve, Self-operated pressure
One or more combinations in regulating valve.Flow regulator 7 is preferably using self-operated flow control valve, automatically controlled flow control
One or more combinations in valve, Pneumatic Controlled Flow Control Valve, proportioning valve, quiescent flow balanced valve.
In the present embodiment, extinguishing fluid 4 is the NaHCO that content is 50%3Water-soluble extinguishing fluid, the mixing ratio of extinguishing fluid 4 and water
Adjustable step by step, mixing ratio 0.2-6% is realized by venturi type proportioner 6 and flow regulator 7, is preferably 1%.
In the present embodiment, water mists pump group 1 is plunger pump, and the moulding pressure used is preferably for 1.5-16.0 MPa
2.5-10.0 MPa（4.5 MPa are more preferably used in the present embodiment）.Venturi type ratio is flowed through after decompression pressure obtaning device 5 depressurizes
The water pressure of example mixer 6 is 0.35-1.5 MPa, is preferably 0.5-1.0MPa（0.5MPa is more preferably used in the present embodiment）.
The application method of the fire extinguishing system of the present invention is as follows：
Pressure obtaning device 5 will be depressured first（Such as pressure-reduced and-regulated valve group）Adjust to 0.5 MPa；Then according to the quantity of fine mist spray head
And flow, calculate and obtain water for fire extinguishing total flow.The present embodiment is exemplified by sharing 40 fine mist spray heads, the flow of single nozzle
Fire extinguishing total flow for 15L/min, therefore water mists is。
Further according to the extinguishing fluid mixing ratio 1% of setting, with reference to water for fire extinguishing total flow 600L/min, it is known that extinguishing fluid mixes
Resultant is.Therefore, by adjusting flow regulator 7（As quiescent flow balances valve group）, experiment
The valve group aperture that extinguishing fluid mixing ratio is 1% is obtained, realizes extinguishing fluid and water mists mixing fire suppression applications that mixing ratio is 1%.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example.To those of ordinary skill in the art, obtained improvement and change in the case where not departing from the technology of the present invention concept thereof
Change and also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of fine water mist fire-extinguishing system that application can be mixed with extinguishing fluid, including fine water mist fire-extinguishing system body, the thin water
Mist fire extinguishing system body includes the water tank being sequentially communicated by water pipe（2）, water mists pump group（1）And fine mist spray head（8）,
It is characterized in that：The fire extinguishing liquid mixing system of extinguishing fluid can be exported immediately in fire extinguishing procedure by further including one, and the extinguishing fluid mixes
Syzygy system includes the decompression pressure obtaning device being connected（5）, venturi type proportioner（6）And flow regulator（7）, institute
State venturi type proportioner（6）The also fire extinguishing of connection one flow container（3）, the flow regulator（7）Outlet and water mists
Pump group（1）Water inlet connection, be depressured pressure obtaning device（5）Entrance and water mists pump group（1）Water outlet connection；The thin water
Mist pump group（1）The partial high pressure water of output is through the decompression pressure obtaning device（5）Venturi type proportioner is flowed through after decompression
（6）, pass through pressure official post extinguishing fluid tank（3）In extinguishing fluid（4）Into venturi type proportioner（6）, then it is defeated in proportion
Go out to enter water mists pump group（1）Realize the mixing application of water and extinguishing fluid.
2. fine water mist fire-extinguishing system according to claim 1, it is characterised in that：The fire extinguishing flow container（3）With venturi type
Proportioner（6）The pipeline of connection is equipped with first switch valve（9）, the decompression pressure obtaning device（5）Arrival end be equipped with the
Two switch valves（10）.
3. fine water mist fire-extinguishing system according to claim 1, it is characterised in that：The water mists pump group（1）For plunger pump,
Its moulding pressure is 1.5-16.0 MPa.
4. fine water mist fire-extinguishing system according to claim 3, it is characterised in that：The moulding pressure is 2.5-10.0
MPa。
5. fine water mist fire-extinguishing system according to claim 1, it is characterised in that：Through the decompression pressure obtaning device（5）Decompression
After flow through venturi type proportioner（6）Water pressure be 0.35-1.5 MPa.
6. fine water mist fire-extinguishing system according to claim 5, it is characterised in that：Water pressure after the decompression is 0.5-
1.0MPa。
7. fine water mist fire-extinguishing system according to claim 2, it is characterised in that：The extinguishing fluid（4）It is 50% for content
NaHCO3Water-soluble extinguishing fluid, extinguishing fluid（4）Pass through venturi type proportioner with the mixing ratio of water（6）Filled with flow-rate adjustment
Put（7）Realization is adjustable step by step, and the mixing ratio is 0.2-6%.
8. fine water mist fire-extinguishing system according to claim 1, it is characterised in that：The decompression pressure obtaning device（5）Using subtracting
Press one or more combinations in pressure maintaining valve, electric press regulating valve, self-contained pressure regulator.
9. fine water mist fire-extinguishing system according to claim 2, it is characterised in that：The flow regulator（7）Using certainly
Power formula flow control valve, automatically controlled flow control valve, Pneumatic Controlled Flow Control Valve, proportioning valve, one kind in quiescent flow balanced valve or
A variety of combinations.
A kind of 10. application process of fine water mist fire-extinguishing system as claimed in claim 1, it is characterised in that：Comprise the following steps：
1）Pressure obtaning device will be depressured（5）Adjust to design pressure；
2）According to fine mist spray head（8）Quantity and flow, calculate obtain water for fire extinguishing total flow；
3）According to the extinguishing fluid mixing ratio of setting, with reference to water for fire extinguishing total flow, by adjusting flow regulator（7）, obtain
The water mists of fixed proportion extinguishing fluid are mixed with, realize the mixing application of extinguishing fluid and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286851.7A CN108014439A (en) | 2017-12-07 | 2017-12-07 | A kind of fine water mist fire-extinguishing system and its application process that application can be mixed with extinguishing fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286851.7A CN108014439A (en) | 2017-12-07 | 2017-12-07 | A kind of fine water mist fire-extinguishing system and its application process that application can be mixed with extinguishing fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108014439A true CN108014439A (en) | 2018-05-11 |
Family
ID=62078743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711286851.7A Pending CN108014439A (en) | 2017-12-07 | 2017-12-07 | A kind of fine water mist fire-extinguishing system and its application process that application can be mixed with extinguishing fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108014439A (en) |
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|---|---|---|---|---|
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| CN2605885Y (en) * | 2003-03-18 | 2004-03-10 | 南京消防器材股份有限公司 | Foam-water spraying combined automatic extinguisher |
| JP2009022686A (en) * | 2007-07-24 | 2009-02-05 | Tokyo Siren Co Ltd | Pump proportioning apparatus for portable pump, and mixing method for fire extinguishing agent |
| CN202909346U (en) * | 2012-10-16 | 2013-05-01 | 浙江亚宁消防设备有限公司 | Pressure type foam proportioner |
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| CN207605281U (en) * | 2017-12-07 | 2018-07-13 | 国网湖南省电力有限公司 | A kind of fine water mist fire-extinguishing system |
-
2017
- 2017-12-07 CN CN201711286851.7A patent/CN108014439A/en active Pending
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Application publication date: 20180511 |