CN107349545A - Machinery is pumped into formula compressed air foam extinguishing device - Google Patents
Machinery is pumped into formula compressed air foam extinguishing device Download PDFInfo
- Publication number
- CN107349545A CN107349545A CN201610934342.XA CN201610934342A CN107349545A CN 107349545 A CN107349545 A CN 107349545A CN 201610934342 A CN201610934342 A CN 201610934342A CN 107349545 A CN107349545 A CN 107349545A
- Authority
- CN
- China
- Prior art keywords
- foam
- pump
- compressed air
- pumped
- machinery
- 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.)
- Pending
Links
- 239000006260 foam Substances 0.000 title claims abstract description 221
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 230000008676 import Effects 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 30
- 239000003570 air Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000012071 phase Substances 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- NSGXIBWMJZWTPY-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropane Chemical compound FC(F)(F)CC(F)(F)F NSGXIBWMJZWTPY-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000019577 caloric intake Nutrition 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011493 spray foam Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- A62C31/12—Nozzles specially adapted for fire-extinguishing for delivering foam or atomised foam
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
The present invention relates to a kind of machinery to be pumped into formula compressed air foam extinguishing device, mainly solves the problems, such as that mixing ratio measurement is inaccurate in the prior art, control system is complicated, high energy consumption.The present invention is pumped into formula compressed air foam extinguishing device by using a kind of machinery, technical scheme including 1 foam pump, 2 foam dope imports, 3 connecting shafts, 4 fire-fighting pressure water sources, 5 hydraulic turbines, 6 hybrid chambers, the outlet of 7 foam dopes, 8 foam mixing liquid imports, 9 sources of the gas, 10 foam makers, 11 foam pipeline roads preferably solves above mentioned problem, available in fire-fighting fire extinguishing.
Description
Technical field
The present invention relates to a kind of machinery to be pumped into formula compressed air foam extinguishing device.
Background technology
When putting out air-liquid and solid fire, conventional is froth fire extinguishing system, mainly has fixed, semifixed and moves
Dynamic formula froth fire extinguishing system, wherein critical component foam proportioning unit are the axial areas of fire extinguishing system, and mixing arrangement mixes
Whether composition and division in a proportion is accurate, and operation is smooth, is related to the effect of scene fire extinguishing.Currently used proportion mixer has two kinds, one kind
It is pressure type foam proportioning unit, shortcoming is can not continuously to provide foam dope, capsule breakage easy to aging, and pressure vessel is small
Cost of manufacture is high.Another kind is balance pressure type foam proportioning unit, and floor space is big, and balanced valve has certain technology will
Ask, energy loss is big, and mixing ratio is inaccurate, causes foam solution to waste or be not enough to reach extinguishing concentration.Meanwhile the above is conventional
The venturi foam theory that two class fire extinguishing systems use, foam air-breathing is uneven, and caused foam is unstable.
Therefore in patent CN101549193B, mentioning the system includes press water, foam and mixed pipe line, foam line
Foam filter, plunger pump, foam control valve ball, check-valves and export pipeline and penstocks are sequentially provided with since foam tank
Road converges to mixed pipe line.The system can realize whole Automated condtrol foams mix ratios, stable.The patent solves mixed
Composition and division in a proportion inaccuracy problem, can automatically adjust mixing ratio.But system control sytsem complexity is, it is necessary to which microcomputer controlling module is automatic
Control electric plunger revolution speed, the more difficult control in practical operation.
The content of the invention
The technical problems to be solved by the invention are that mixing ratio measurement is inaccurate in the prior art, control system is complicated, energy
Consume the problem of high, there is provided a kind of new machinery is pumped into formula compressed air foam extinguishing device.The device has mixing ratio measurement accurate
Really, Non-energy-consumption loss, without control system the advantages of.
To solve the above problems, the technical solution adopted by the present invention is as follows：A kind of machinery is pumped into formula compressed air foam and gone out
Fiery device, it is mainly former including foam pump, foam dope import, connecting shaft, fire-fighting pressure water source, the hydraulic turbine, hybrid chamber, foam
Liquid outlet, foam mixing liquid import, source of the gas, foam maker, foam pipeline road, foam pump and foam dope import phase
Even, the hydraulic turbine is connected with foam pump, fire-fighting pressure water source, and water supply turbine provides press water and produces kinetic energy drive foam solution
Pump operates；Foam mixing liquid caused by hybrid chamber at hydraulic turbine outlet is connected with foam maker, for being supplied to foam to send out
The foam mixing liquid of raw device；Foam maker is connected with source of the gas and foam pipeline road, is mixed for providing compressed gas with foam
Close liquid and carry out the foam that disturbance mixing produces kinetic energy, the foam is directly used in fire extinguishing；The hydraulic turbine presses 1：1 type of drive from
Foam pump obtains foam dope, and mixing ratio is adjusted according to foam pump number of cylinders, is quantitatively mixed for Purely mechanical foam
Attach together and put；Foam maker is provided with inlet, air inlet and the flow spoiler of limit foam mixing flow quantity.
In above-mentioned technical proposal, it is preferable that be connected between foam solution Pumps and Water Turbines with mechanical connection axle, foam pump with
The integral machine of water turbine set, hydraulic turbine per revolution, drive foam pump can foam dope of automatic-discharging.
In above-mentioned technical proposal, it is preferable that using testing flow meter foam flow quantity and flow of inlet water, ratio is to mix
Than, or using the electrical conductivity after conductivity meter test foams mix, mixing ratio number is relatively obtained with the foam solution of standard preparation
According to.
In above-mentioned technical proposal, it is preferable that foam maker is connected with source of the gas, and source of the gas is compressed air, nitrogen, titanium dioxide
Carbon, HFC-236fa, heptafluoro-propane.
In above-mentioned technical proposal, it is preferable that necking down is carried out at foam maker liquid outlet, for increasing liquid-phase outlet stream
Speed, increase and the mixed of gas phase, the liquid-phase outlet caliber and pressure of foam maker determine foam flow quantity, air-liquid
Volume ratio is 1:3-15.
Foam pump is driven to operate with the hydraulic turbine the invention provides one kind, mixed foam solution passes through bubble in exit
Foam generator further mixes with gas phase, produces the foam of uniform and smooth, solve prior art mixing ratio it is uneven, foaming not
Stable, high energy consumption and cumbersome problem.Machinery, which is pumped into formula compressed air foam extinguishing device, mainly foam pump, connection
Axle, the hydraulic turbine, source of the gas, foam maker, foam pipeline road etc. form.The extinguishing device produces kinetic energy by intake pressure and driven
Dynamic fire-fighting pressure water mixes with foam solution, is driven without energy such as electric energy.Its feature is：(1) the extinguishing device floor space is small,
It is easy to operate.Producing kinetic energy by intake pressure drives raw water to be mixed with foam dope, without power equipment and control system, just
It is able to continuously and sprays uniform and stable efficient foam.(2) water of the extinguishing device, foam solution mixing ratio are accurate, can be accurate
The type of ejection 1% or 2% type or 3% type or 6% type foam solution.(3) foam maker is joined directly together with hydraulic turbine outlet, can be with
The accurate foam solution of liquid mixing ratio is quickly transformed into gas phase foam, alleviates the weight of foam solution transfer pipeline.The fire extinguishing
Device can add foam dope at any time in operation, very flexibly, strong adaptability, achieve preferable technique effect.
Brief description of the drawings
Fig. 1 is the mixing arrangement schematic flow sheet of extinguishing device of the present invention.
Fig. 2 is the schematic flow sheet of extinguishing device of the present invention.
In Fig. 1, Fig. 2：1 foam pump, 2 foam dope imports, 3 connecting shafts, 4 fire-fighting pressure water sources, 5 hydraulic turbines, 6 mixing
Chamber, the outlet of 7 foam dopes, 8 foam mixing liquid imports, 9 sources of the gas, 10 foam makers, 11, foam pipeline line.
Below by embodiment, the invention will be further elaborated, but is not limited only to the present embodiment.
Embodiment
Embodiment 1：
As shown in figure 1, a kind of machinery is pumped into formula compressed air foam extinguishing device, including machinery is pumped into formula froth ratio and mixed
Attach together put, foam maker and foam pipeline road, mainly have 1 foam pump, 2 foam dope imports, 3 connecting shafts, 4 fire-fighting pressures
Power water source, 5 hydraulic turbines, 6 hybrid chambers, the outlet of 7 foam dopes, 8 foam mixing liquid imports, 9 sources of the gas, 10 foam makers, 11 bubbles
Foam transfer pipeline forms.Foam pump is connected with foam dope import, for continually providing foam dope to foam pump；
The hydraulic turbine is connected with foam pump, fire-fighting pressure water source, and water supply turbine provides press water and produces kinetic energy drive foam pump
Operating；Foam mixing liquid caused by hybrid chamber at hydraulic turbine outlet is connected with foam maker, for being supplied to foam
The foam mixing liquid of device；Foam maker is connected with compressed gas source and foam pipeline line, for providing a certain amount of compressed gas
Body, which with foam mixing liquid disturb, mixes the foam for producing kinetic energy, and the foam can be directly used for putting out a fire.The hydraulic turbine is pressed
1：1 type of drive obtains foam dope from foam pump, and mixing ratio is adjusted according to foam pump number of cylinders, is Purely mechanical
The quantitative mixing arrangement of foam；Foam maker is provided with liquid spout, air inlet and the flow spoiler of limitation flow.
Foam Pumps and Water Turbines can form all-in-one, used between foam Pumps and Water Turbines and mechanically connect axis connection, water wheels
Machine per revolution, drive foam pump can foam dope of automatic-discharging.
Using testing flow meter foam flow quantity and flow of inlet water, ratio is mixing ratio, or is surveyed using conductivity meter
The electrical conductivity after foams mix is tried, mixing ratio data are relatively obtained with the foam solution of standard preparation.
Foam maker is connected with source of the gas, source of the gas be compressed air, nitrogen, carbon dioxide, HFC-236fa, heptafluoro-propane or
Inert gas.Necking down is carried out at foam maker liquid outlet, for increasing liquid-phase outlet flow velocity, increase and the hybrid energy of gas phase
Power, the liquid-phase outlet caliber and pressure of foam maker determine foam flow quantity, and air-liquid flow-rate ratio is 1:3-15.
Foam dope enters in foam pump 1 from inlet 2, and the water at fire-fighting pressure water source 4 enters the hydraulic turbine 5, the hydraulic turbine 5
Foam pump 1 is driven to rotate, foam dope enters hybrid chamber 6, while under the drive of the hydraulic turbine 5, foam dope is with water mixed
Become mixed liquor in conjunction chamber 6 to enter in foam maker 10, open source of the gas 11 and enter foam after being decompressed to certain pressure
In device 10, foam is sufficiently mixed into mixed liquor, foam is sprayed by foam pipeline road 11, implements fire extinguishing or covering.
6% type fire foam enters in foam pump 1 from inlet 2, starts water pump, and the water at fire-fighting pressure water source 4 enters
Entering the hydraulic turbine 5, the hydraulic turbine 5 drives foam pump 1 to rotate, and opens water-foam solution selector valve, foam dope is entered hybrid chamber 6,
Simultaneously under the drive of the hydraulic turbine 5, foam dope becomes mixed liquor with water in hybrid chamber 6 and entered in foam maker 10, opens
Open compressed nitrogen source of the gas 11 after being decompressed to 0.8MPa to enter in foam maker 10, foam is sufficiently mixed into mixed liquor, lead to
Cross foam pipeline road 11 and spray foam, implement fire extinguishing.
Embodiment 2：
1 foam pump, 2 foam dope imports, 3 connecting shafts, 4 fire-fighting pressure water sources, 5 hydraulic turbines, 6 hybrid chambers, 7 foams are former
Liquid outlet, 8 foam mixing liquid imports, 9 sources of the gas, 10 foam makers, 11 foam pipeline roads.
The inlet/outlet pipe of 3% type fire foam, foam proportioning unit and foam maker is filled in stoste storage tank
Footpath is DN200, and compressed gas is made up of the tank of compressed air that one group of 40L pressure is 10Mpa, and header is collected after decompression
In.
3% type fire foam enters in foam pump 1 from inlet 2, starts water pump, and the water at fire-fighting pressure water source 4 enters
Entering the hydraulic turbine 5, the hydraulic turbine 5 drives foam pump 1 to rotate, and opens water-foam solution selector valve, foam dope is entered hybrid chamber 6,
Simultaneously under the drive of the hydraulic turbine 5, foam dope becomes mixed liquor with water in hybrid chamber 6 and entered in foam maker 10, opens
Open the compressed air gas source 11 in header after being decompressed to 0.8MPa to enter in foam maker 10, be sufficiently mixed with mixed liquor
Into foam, foam is sprayed by foam pipeline road 11, implements fire extinguishing and covering.
The extinguishing device pressure drop of table 1 and mixing ratio test (flowmeter method)
As seen from Table 1：During passing ratio mixing arrangement, under different pressures, its pressure drop is controllable within the specific limits, and
≤0.0.15MPa；Under different flow, its mixing ratio is controlled between 5.5%-6.2%, and error is no more than 10%, is illustrated mixed
Composition and division in a proportion is accurate.
Obviously, using the present invention device, mixed foam solution exit by foam maker further with gas
Mix, produce the foam of uniform and smooth, solve the difficulty that prior art mixing ratio is uneven, foaming is unstable and cumbersome
Topic.The fire extinguishing system produces kinetic energy driving raw water by intake pressure and mixed with foam solution, drives, relies on without energy such as electric energy
Intake pressure produces kinetic energy and drives raw water to be mixed with foam dope, without power equipment and control system, is just able to continuously spray
Go out uniform and stable efficient foam, the water of the extinguishing device, foam solution mixing ratio are accurate, can accurately spray 1% type or 2%
Type or 3% type or 6% type foam solution, foam maker are joined directly together with hydraulic turbine outlet, can be quickly accurate by liquid mixing ratio
True foam solution is transformed into gas phase foam, alleviates the weight of foam solution transfer pipeline.Extinguishing device can add at any time in operation
Enter foam dope, very flexibly, strong adaptability, achieve preferable technique effect.
Claims (5)
1. a kind of machinery is pumped into formula compressed air foam extinguishing device, mainly including foam pump, foam dope import, connection
Axle, fire-fighting pressure water source, the hydraulic turbine, hybrid chamber, foam dope outlet, foam mixing liquid import, source of the gas, foam maker, bubble
Foam transfer pipeline, foam pump are connected with foam dope import, and the hydraulic turbine is connected with foam pump, fire-fighting pressure water source, is used for
Press water, which is provided, to the hydraulic turbine produces kinetic energy drive foam pump operating；Foams mix caused by hybrid chamber at hydraulic turbine outlet
Liquid is connected with foam maker, for being supplied to the foam mixing liquid of foam maker；Foam maker and source of the gas and foam are defeated
Send pipeline to be connected, carry out disturbing the foam for mixing generation kinetic energy for providing compressed gas and foam mixing liquid, the foam is straight
Connect for putting out a fire；The hydraulic turbine presses 1：1 type of drive obtains foam dope from foam pump, and mixing ratio is according to foam solution pump gas
Cylinder quantity is adjusted, for the quantitative mixing arrangement of Purely mechanical foam；Foam maker is provided with limit foam mixing flow quantity
Inlet, air inlet and flow spoiler.
2. machinery is pumped into formula compressed air foam extinguishing device according to claim 1, it is characterised in that foam pump and water
Turbine forms all-in-one, is used between foam Pumps and Water Turbines and mechanically connects axis connection, hydraulic turbine per revolution, drives foam pump
Can foam dope of automatic-discharging.
3. machinery is pumped into formula compressed air foam extinguishing device according to claim 1, it is characterised in that using flow measurement
It is mixing ratio to try foam flow quantity and flow of inlet water, ratio, or the electrical conductivity tested using conductivity meter after foams mix,
Mixing ratio data are relatively obtained with the foam solution of standard preparation.
4. machinery is pumped into formula compressed air foam extinguishing device according to claim 1, it is characterised in that foam maker with
Source of the gas is connected, and source of the gas is compressed air, nitrogen, carbon dioxide, HFC-236fa, heptafluoro-propane.
5. machinery is pumped into formula compressed air foam extinguishing device according to claim 1, it is characterised in that foam maker goes out
Necking down is carried out at liquid mouth, for increasing liquid-phase outlet flow velocity, increase and the mixed of gas phase, the liquid-phase outlet of foam maker
Caliber and pressure determine foam flow quantity, and air-liquid volume ratio is 1:3-15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610934342.XA CN107349545A (en) | 2016-10-25 | 2016-10-25 | Machinery is pumped into formula compressed air foam extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610934342.XA CN107349545A (en) | 2016-10-25 | 2016-10-25 | Machinery is pumped into formula compressed air foam extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107349545A true CN107349545A (en) | 2017-11-17 |
Family
ID=60271476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610934342.XA Pending CN107349545A (en) | 2016-10-25 | 2016-10-25 | Machinery is pumped into formula compressed air foam extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107349545A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404321A (en) * | 2018-05-09 | 2018-08-17 | 上海务进消防安全设备有限公司 | A kind of big flow water-foam solution mixing arrangement and its mixed method |
| CN111617411A (en) * | 2020-06-05 | 2020-09-04 | 应急管理部消防产品合格评定中心 | Proportional mixing device |
| CN114344777A (en) * | 2021-12-01 | 2022-04-15 | 青岛诺诚化学品安全科技有限公司 | Compressed gas foam fire extinguishing system and method with stable supply of gas source and water source |
| CN114502243A (en) * | 2019-10-08 | 2022-05-13 | 火影斗士股份有限公司 | Mixing system for a fire-extinguishing system and method for operating such a mixing system |
| CN114616034A (en) * | 2019-11-05 | 2022-06-10 | 火影斗士股份有限公司 | Mixing system for fire extinguishing systems |
| CN117563180A (en) * | 2024-01-17 | 2024-02-20 | 河南省威特消防设备有限公司 | Slide formula foam liquid pump and have fire control foam liquid system of this pump |
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| CN202892721U (en) * | 2012-11-08 | 2013-04-24 | 公安部天津消防研究所 | Compressed air foam spraying fire-extinguishing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404321A (en) * | 2018-05-09 | 2018-08-17 | 上海务进消防安全设备有限公司 | A kind of big flow water-foam solution mixing arrangement and its mixed method |
| CN114502243A (en) * | 2019-10-08 | 2022-05-13 | 火影斗士股份有限公司 | Mixing system for a fire-extinguishing system and method for operating such a mixing system |
| CN114616034A (en) * | 2019-11-05 | 2022-06-10 | 火影斗士股份有限公司 | Mixing system for fire extinguishing systems |
| CN114616034B (en) * | 2019-11-05 | 2024-02-27 | 火影斗士股份有限公司 | Mixing system for fire extinguishing systems |
| CN111617411A (en) * | 2020-06-05 | 2020-09-04 | 应急管理部消防产品合格评定中心 | Proportional mixing device |
| CN114344777A (en) * | 2021-12-01 | 2022-04-15 | 青岛诺诚化学品安全科技有限公司 | Compressed gas foam fire extinguishing system and method with stable supply of gas source and water source |
| CN117563180A (en) * | 2024-01-17 | 2024-02-20 | 河南省威特消防设备有限公司 | Slide formula foam liquid pump and have fire control foam liquid system of this pump |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |
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| RJ01 | Rejection of invention patent application after publication |