CN107349544A - Machinery is pumped into formula compressed air foam extinguishing method - Google Patents
Machinery is pumped into formula compressed air foam extinguishing method Download PDFInfo
- Publication number
- CN107349544A CN107349544A CN201610932634.XA CN201610932634A CN107349544A CN 107349544 A CN107349544 A CN 107349544A CN 201610932634 A CN201610932634 A CN 201610932634A CN 107349544 A CN107349544 A CN 107349544A
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- China
- Prior art keywords
- foam
- fire
- pumped
- machinery
- compressed air
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Classifications
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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
-
- 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
Abstract
The present invention relates to a kind of machinery to be pumped into formula compressed air foam extinguishing method, 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 method by using a kind of machinery, formula compressed air foam extinguishing device is pumped into using machinery to be put out a fire, the machinery be pumped into formula compressed air foam extinguishing device include normal pressure foam dope storage tank, fill mouth, floss hole, fire-fighting pressure water source, rinse debugging pipeline, the hydraulic turbine, foam maker, foam pipeline line, foam lance, foam pump, the technical scheme of water bubble liquid selector valve preferably solve 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 method.
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, high
The problem of energy consumption, there is provided a kind of new machinery is pumped into formula compressed air foam extinguishing method.This method has mixing ratio measurement accurate
Really, purely mechanic linked manner, without control system and low energy consumption the advantages that.
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
Ignition method, formula compressed air foam extinguishing device is pumped into using machinery and put out a fire, the machinery is pumped into formula compressed air foam
Extinguishing device include normal pressure foam dope storage tank, fill mouth, floss hole, fire-fighting pressure water source, rinse debugging pipeline, the hydraulic turbine,
Foam maker, foam pipeline line, foam lance, foam pump, water-foam solution selector valve, under normal pressure foam dope storage tank
Portion, which is provided with, fills mouth, floss hole, water-foam solution selector valve, and water-foam solution selector valve is with rinsing debugging pipeline, foam pump phase
Even, the hydraulic turbine is connected with foam pump, fire-fighting pressure water source, hydraulic turbine outlet mixed with foam pump outlet line after with foam
Generator inlet is connected, and foam maker outlet is connected by foam pipeline line with foam lance.
In above-mentioned technical proposal, it is preferable that, can be continuously by the extinguishing device of this purely mechanic connected mode
The foam of accurate mixing ratio is provided, for the scene fire extinguishing of fire to occur, controlled without proportion of installation blender, balanced valve
Mixing ratio, the energy is saved, improve mixing ratio precision；Its extinguishing method：Fire water → the hydraulic turbine → foam pump of certain pressure
→ water-foam solution selector valve → foam maker → unlatching source of the gas → foam pipeline line foam lance → implementation fire extinguishing；Fire extinguishing
Principle is to drive foam pump using the hydraulic turbine, and foam dope is brought at hydraulic turbine outlet and mixed automatically with fire water,
Caused foam mixing liquid enters foam maker, and the foam mixing liquid into generator internally produces flow-disturbing, is formed vaporific
Liquid stream, meanwhile, high-pressure air source mixes into foam maker with liquid stream, forms rotation foam, is directly exported from foam maker
Ejection enters foam pipeline line, is further well mixed in pipeline, and spraying the foam with kinetic energy from foam lance is carried out
Fire extinguishing.
In above-mentioned technical proposal, it is preferable that the hydraulic turbine presses 1：1 type of drive obtains foam dope from foam pump,
Mixing ratio is adjusted according to foam pump number of cylinders, for the quantitative mixing arrangement of Purely mechanical foam.
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 gas cylinder group or compressed gas
Tank, compressed gas are air, carbon dioxide or inert gas.
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.
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, cumbersome and high energy consumption problem.Machinery, which is pumped into formula compressed air foam fire extinguishing system, mainly the storage of foam solution stoste
Tank, foam proportioner, foam maker, inlet pipeline, compressed gas etc. form.The fire extinguishing system is produced by intake pressure
It can vividly drive raw water to be mixed with foam solution, be driven without energy such as electric energy.Its feature is：(1) the fire extinguishing system floor space
It 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
System, just it is able to continuously and sprays uniform and stable efficient foam.(2) water of the fire extinguishing system, foam solution mixing ratio are accurate, can be with
Accurately spray 3% type or 6% type foam solution.(3) foam maker is joined directly together with hydraulic turbine outlet, can be quickly by liquid
The accurate foam solution of mixing ratio is transformed into gas phase foam, alleviates the weight of foam solution transfer pipeline.(4) foam tank is normal pressure
Tank, foam dope can be added at any time in operation, very flexibly, strong adaptability, achieve preferable technique effect.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the method for the invention.
In Fig. 1：1st, normal pressure foam dope storage tank；2nd, mouth is filled；3rd, floss hole；4th, fire-fighting pressure water source；5th, debugging is rinsed
Pipeline；6th, the hydraulic turbine；7th, foam mixing liquid；8th, foam maker；9th, foam pipeline line；10th, foam lance；11st, source of the gas；
12nd, foam pump；13rd, water-foam solution selector valve.
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 method, including normal pressure foam dope storage tank, fill
Fill mouth, floss hole, fire-fighting pressure water source, flushing debugging pipeline, the hydraulic turbine, foam maker, foam pipeline line, bubble jet
Rifle, foam pump, water-foam solution selector valve, normal pressure foam dope storage tank bottom, which is provided with, fills mouth, floss hole, water-foam solution choosing
Valve is selected, water-foam solution selector valve is with rinsing debugging pipeline, foam pump is connected, the hydraulic turbine and foam pump, fire-fighting pressure water source
It is connected, hydraulic turbine outlet is connected after being mixed with foam pump outlet line with foam maker entrance, and foam maker outlet is logical
Foam pipeline line is crossed with foam lance to be connected；The hydraulic turbine presses 1：1 type of drive obtains foam dope from foam pump, mixes
Composition and division in a proportion is adjusted according to foam pump number of cylinders, for the quantitative mixing arrangement of Purely mechanical foam.Foam maker and source of the gas phase
Even, source of the gas is compressed gas cylinder group or compression gas tank, and compressed gas is air, carbon dioxide or inert gas.
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 dope enters in stoste storage tank 1 from mouth 2 is filled, and fills volume as 80%.Start water pump, fire-fighting pressure water source
4 water enters the hydraulic turbine 6, and the hydraulic turbine 6 drives foam pump 12 to rotate, and opens water-foam solution selector valve 13 and is opened for foam solution
State, foam solution enters foam pump 12, and under the drive of the hydraulic turbine 6, foam solution becomes mixed liquor with water and enters foam
In device 8, open source of the gas 11 and enter after being decompressed to certain pressure in foam maker 8, be sufficiently mixed with mixed liquor, pass through foam
Feed-line 9, which enters in foam straight tube rifle, sprays foam, implements fire extinguishing or covering.
In 5m3The inlet/outlet pipe of 6% type fire foam, foam proportioner and foam maker is filled in stoste storage tank
Footpath is DN150, and compressed gas is that 12.0MPa nitrogen cylinders form by one group of 40L pressure, and DN32 collection is pooled to after decompression
In flow tube.
6% type fire foam enters in stoste storage tank 1 from mouth 2 is filled, and starts supply-water pump, the water at fire-fighting pressure water source 4
Into the hydraulic turbine 6, the hydraulic turbine 6 drives foam pump 12 to rotate, and opening water-foam solution selector valve 13 is foam solution opening,
Extinguishing chemical enters foam pump 12, and under the drive of the hydraulic turbine 6, extinguishing chemical enters in foam maker 8 after being mixed with water, opens
Source of the gas 11 is collected in header after depressurizing 0.8MPa, is entered by gas line in foam maker 8, is mixed with extinguishing chemical
Liquid is sufficiently mixed, and is entered by foam pipeline line 9 in foam straight tube rifle and is sprayed foam, implements fire extinguishing or covering.
Embodiment 2
In 10m33% type fire foam, the disengaging of foam proportioner and foam maker are filled in stoste storage tank
Caliber is DN200, and compressed gas is made up of the tank of compressed air that one group of 40L pressure is 10MPa, and afflux is collected after decompression
Guan Zhong.
3% type fire foam enters in stoste storage tank 1 from mouth 2 is filled, and starts supply-water pump, the water at fire-fighting pressure water source 4
Into the hydraulic turbine 6, the hydraulic turbine 6 drives foam pump 12 to rotate, and opening water-foam solution selector valve 13 is foam solution opening,
Extinguishing chemical enters foam pump 12, and under the drive of the hydraulic turbine 6, extinguishing chemical enters in foam maker 8 after being mixed with water, opens
Source of the gas 11 is collected in header after depressurizing 0.7MPa, is entered by gas line in foam maker 8, is mixed with extinguishing chemical
Liquid is sufficiently mixed, and is entered by foam pipeline line 9 in foam straight tube rifle and is sprayed foam, implements fire extinguishing or covering.
Obviously, using the present invention method, 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 fire extinguishing system, foam solution mixing ratio are accurate, can accurately spray 3% type or 6%
Type foam solution, foam maker are joined directly together with hydraulic turbine outlet, quickly can be changed the accurate foam solution of liquid mixing ratio
Into gas phase foam, the weight of foam solution transfer pipeline is alleviated, foam tank is normal pressure tank, can add foam original at any time in operation
Liquid, very flexibly, strong adaptability, achieve preferable technique effect.
Claims (5)
1. a kind of machinery is pumped into formula compressed air foam extinguishing method, being pumped into formula compressed air foam extinguishing device using machinery enters
Row fire extinguishing, the machinery be pumped into formula compressed air foam extinguishing device include normal pressure foam dope storage tank, fill mouth, floss hole,
Fire-fighting pressure water source, rinse debugging pipeline, the hydraulic turbine, foam maker, foam pipeline line, foam lance, foam pump,
Water-foam solution selector valve, normal pressure foam dope storage tank bottom are provided with and fill mouth, floss hole, water-foam solution selector valve, water-foam
Liquid selector valve is with rinsing debugging pipeline, foam pump is connected, and the hydraulic turbine is connected with foam pump, fire-fighting pressure water source, the hydraulic turbine
Outlet is connected after being mixed with foam pump outlet line with foam maker entrance, and foam maker outlet passes through foam pipeline
Line is connected with foam lance.
2. machinery is pumped into formula compressed air foam extinguishing method according to claim 1, it is characterised in that passes through this pure machine
The extinguishing device of tool connected mode, can continuously provide the foam of accurate mixing ratio, and the scene for fire to occur is gone out
Fire, mixing ratio is controlled without proportion of installation blender, balanced valve, saves the energy, improves mixing ratio precision；Its fire extinguishing side
Method：Fire water → the hydraulic turbine → foam pump → water-foam solution selector valve → foam maker → unlatching source of the gas of certain pressure
→ foam pipeline line → foam lance → implementation fire extinguishing；Fire-fighting principle is to drive foam pump using the hydraulic turbine, and foam is former
Liquid band enters to be mixed automatically at hydraulic turbine outlet with fire water, and caused foam mixing liquid enters foam maker, into hair
The foam mixing liquid of raw device internally produces flow-disturbing, forms vaporific liquid stream, meanwhile, high-pressure air source enters foam maker and liquid stream
Mixing, rotation foam is formed, directly sprayed from foam maker outlet and enter foam pipeline line, further mixed in pipeline
Uniformly, the foam with kinetic energy is sprayed from foam lance to be put out a fire.
3. machinery is pumped into formula compressed air foam extinguishing method 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 method 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 gas cylinder group or compression gas tank, and compressed gas is air, carbon dioxide or inert gas.
5. machinery is pumped into formula compressed air foam extinguishing method according to claim 1, it is characterised in that 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932634.XA CN107349544A (en) | 2016-10-25 | 2016-10-25 | Machinery is pumped into formula compressed air foam extinguishing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932634.XA CN107349544A (en) | 2016-10-25 | 2016-10-25 | Machinery is pumped into formula compressed air foam extinguishing method |
Publications (1)
| Publication Number | Publication Date |
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| CN107349544A true CN107349544A (en) | 2017-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610932634.XA Pending CN107349544A (en) | 2016-10-25 | 2016-10-25 | Machinery is pumped into formula compressed air foam extinguishing method |
Country Status (1)
| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108969946A (en) * | 2018-08-10 | 2018-12-11 | 徐工集团工程机械股份有限公司 | Extinguishing chemical spraying system, method and elevating fire truck |
| WO2020029227A1 (en) * | 2018-08-10 | 2020-02-13 | 徐工集团工程机械股份有限公司 | Fire extinguishing agent injection system and method, and aerial fire engine |
| 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 |
| CN111821619A (en) * | 2020-07-17 | 2020-10-27 | 中国人民解放军国防科技大学 | Biological aerosol pressure release device with uniform spraying concentration |
| AT523064A4 (en) * | 2020-04-29 | 2021-05-15 | Rosenbauer Int Ag | Method and liquid mixing system for providing a liquid-foam mixture |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108969946A (en) * | 2018-08-10 | 2018-12-11 | 徐工集团工程机械股份有限公司 | Extinguishing chemical spraying system, method and elevating fire truck |
| CN108969946B (en) * | 2018-08-10 | 2019-08-27 | 徐工集团工程机械股份有限公司 | Extinguishing chemical spraying system, method and elevating fire truck |
| WO2020029227A1 (en) * | 2018-08-10 | 2020-02-13 | 徐工集团工程机械股份有限公司 | Fire extinguishing agent injection system and method, and aerial fire engine |
| RU2757729C1 (en) * | 2018-08-10 | 2021-10-21 | Сюйчжоу Констракшн Машинери Груп Ко., Лтд. | System and method for extinguishing substance discharge and fire truck with lift |
| AT523064A4 (en) * | 2020-04-29 | 2021-05-15 | Rosenbauer Int Ag | Method and liquid mixing system for providing a liquid-foam mixture |
| AT523064B1 (en) * | 2020-04-29 | 2021-05-15 | Rosenbauer Int Ag | Method and liquid mixing system for providing a liquid-foam mixture |
| 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 |
| CN111821619A (en) * | 2020-07-17 | 2020-10-27 | 中国人民解放军国防科技大学 | Biological aerosol pressure release device with uniform spraying concentration |
| CN111821619B (en) * | 2020-07-17 | 2021-08-31 | 中国人民解放军国防科技大学 | Biological aerosol pressure release device with uniform spraying concentration |
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Application publication date: 20171117 |
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