CN101259308A - Forced foam generator - Google Patents
Forced foam generator Download PDFInfo
- Publication number
- CN101259308A CN101259308A CNA2008100943429A CN200810094342A CN101259308A CN 101259308 A CN101259308 A CN 101259308A CN A2008100943429 A CNA2008100943429 A CN A2008100943429A CN 200810094342 A CN200810094342 A CN 200810094342A CN 101259308 A CN101259308 A CN 101259308A
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- Prior art keywords
- foam
- water
- multistage
- water inlet
- shell
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- 239000006260 foam Substances 0.000 title claims abstract description 96
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000004604 Blowing Agent Substances 0.000 claims description 11
- 239000004088 foaming agent Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000005187 foaming Methods 0.000 description 20
- 239000000428 dust Substances 0.000 description 8
- 238000004880 explosion Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 210000003934 vacuole Anatomy 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a forced foam generator which comprises a fan, a water turbine, a nozzle, a multi-stage foam screen, a foam cavity, a water inlet, a runback and a cylindrical shell. The fan and the water turbine are arranged on the same principal axis and are positioned at the back side inside the shell; the direction of the air duct of the principal axis is corresponding to direction of the air duct of the shell; one end of the water inlet is connected with a mixed proportioner which realizes the mixture of water and foaming agent and a high-pressure water output end of the of high pressure pump branch in series, while the other end of the water inlet is connected with the water inlet port of the water turbine; the water outlet port of the water turbine is the nozzle of the foam cavity directing to the front side in the shell; the multi-stage foam screen is arranged in the foam cavity. The invention solves the technical problems of producing the foam with long duration and high stack height in an anti-electromagnetic interference environment.
Description
Technical field
The present invention relates to a kind of structure and application that is applicable to the pressure foaming machine of anti-electromagnetic interference, particularly when producing the high foam of longer duration, piling height, more need this kind equipment.
Background technology
Along with the progress of society and the development of urban construction, people need produce foam height and reach several meters high under many situations, and the foam of longer duration.Sometimes this place of foam that needs need be avoided electromagnetic interference or lack supply of electric power.Scene such as demolition blasting needs a large amount of foams to surround the explosion scene, but the explosion scene does not allow.
Use the water base foam generator of general (99% is applied in fire-fighting domain) now at home and abroad, or use in fixed extinguishing system and the low expansion foam generator in the portable fire extinguishing equipment, the medium expansion foam generator, the operation principle of high expansion foam generator and technology path are water and blowing agent process mixed proportion device, by multistage pump work, be transported to the nozzle of foam producer, high-pressure spray (high multiple is a water smoke) by nozzle ejection, passing the diffusion region makes the diffusion region form negative pressure, introduce a large amount of air from the pore of diffusion region, enter mixed flow region and mixed liquor, form gas-liquid mixed flow (mixing) and form foam (high multiple should have the individual layer foam screen), by the foam muzzle ejection foam of foam producer.
The fire-fighting foams generator is to utilize high-pressure spray that the diffusion region is formed negative pressuren zone (low power generator, in a times generator be not always the case), and direct air and water smoke form the nature mixed foaming, and we claim that this foaming is a natural foaming.
All fire-fighting foams of high, medium and low times, its water content is bigger, so people claim that again this foam is a wet foam, because of the target of fire-fighting foams is fire extinguishing, this wet foam is all fine because of its flowability, bleed, is easy to the object cooling, and its fire-fighting fire extinguishing is popular.Yet its coefficient of foaming and extremely short drainage time (3～10 minutes) obviously are difficult to satisfy the requirement of people's and long-term foam big in requirement.Moreover these foaming machines often need directly connect power-equipment on these blowing agents, and when the scene lacked power-equipment, people can feel simply helpless.
Summary of the invention
The object of the present invention is to provide a kind of forced foam generator, solved in having the environment of anti-electromagnetic interference, produce the technical problem of longer duration, foam that piling height is high.
Technical scheme of the present invention is as follows:
A kind of forced foam generator, it comprises blower fan, the hydraulic turbine, nozzle, multistage foam screen, foam chamber, water inlet pipe, return duct and cylindrical case; The described blower fan and the hydraulic turbine are installed on the same main shaft, and are set at rear in the cylindrical case, and described main shaft is consistent with the air channel of shell; One end of described water inlet pipe is connected with the High-Pressure Water output of the mixed proportion device of realizing the mixing of water and blowing agent and high-pressure pump serial connection branch road, and the other end is connected with the water inlet of the hydraulic turbine; The delivery port of the described hydraulic turbine is divided into two-way, and one the tunnel is multistage return duct, and another road is for pointing to the nozzle of the foam chamber in the place ahead in the shell, and multistage return duct is connected with the inlet of described high-pressure pump; In foam chamber, be provided with multistage foam screen.
Above-mentioned forced foam generator, described multistage foam screen are the structure of circular cone or circular arc.
Compared with prior art, the present invention has the following advantages:
1, is applicable to the foaming place that to avoid electromagnetic interference or lack supply of electric power.Scene such as demolition blasting needs a large amount of foams to surround the explosion scene, but the explosion scene does not allow.
2, can produce a large amount of foams that cumulative volume reaches several ten thousand even tens ten thousand steres at short notice with equipment of the present invention.
3, the foam duration of device fabrication of the present invention is long.The time that is formed into the foam complete obiteration from a large amount of foams can be above 6 to 10 hours.
4, the foam that produces of the present invention can be realized a large amount of foam piling height superelevation.The piling height of foam generally is no more than half meter in the prior art, and mostly is the vacuole concurrent.A large amount of foams that the present invention makes can be high to 4～10 meters with the foam height heap.
5, foaming, through the foam of multistage foaming, expansion ratio height (500～1500) foam is abundant, the big or small homogeneous of bubble, foam wall high resilience, and moisture content is low, head retention good (3～8 hours) also has good adhesiveness, can satisfy the needs of engineerings such as depositing dust, noise reduction.
Description of drawings
Fig. 1 is a structure principle chart of the present invention.
Concrete real-time mode
The present invention takes a kind of mandatory foaming technique, promptly adopts high pressure draught and the method that multistage foam screen combines, and allows blowing agent through one step foaming, second time of foaming, the technology of multistage foaming such as foaming once more.
Depositing dust of the present invention, the operating path of noise reduction water base foam generator: at first by water and blowing agent process mixed proportion device, transfer out High-Pressure Water (mixed liquor of blowing agent and water) to the hydraulic turbine of foam producer by high-pressure pump (multistage pump), the rotation that promotes hydraulic turbine main shaft drives running up of blower fan, produce high pressure draught, this moment, hydraulic turbine delivery port was divided into two strands of current, one rotates back into dump energy by return pipe the inlet of pump, can make energy regeneration enter water circulation system, another strand current then pass through nozzle, eject high-pressure water mist, by this carrier of high pressure draught, be with water smoke to pour multistage foam screen foaming simultaneously.
Concrete member form and operation principle referring to Fig. 1:
Foam maker is made up of blower fan, water wheels (impeller) machine 4, water inlet pipe 10, return duct 9, nozzle 8, multistage foam screen 5,6, foam chamber and tubular shell 7.Described blower fan is made up of fan blade 3 and bearing box 1.The blower fan of this system need not motor and passes to power, the blower fan and the hydraulic turbine are installed on the same main shaft, and be fixed on a side in the housing 7 by support 2, the power of blower fan is just driven by hydraulic turbine main shaft like this, make the explosion scene have non-transformer to work, in addition, the spraying system of this machine is when running work, itself just needs to supply with High-Pressure Water, we use this strand current direction hydraulic turbine energy and power are provided, promote hydraulic turbine work, get final product energy savings like this, can simplify device again, native system---depositing dust, the return-flow system and the multistage foam screen of noise reduction water base foam generator are adjustable, it can be regulated the coefficient of foaming of foam according to on-the-spot needs between 500～1500 times, in addition, also have the duration of foam also can adjust use between 3～8 hours.One end of described water inlet pipe 10 is connected with the High-Pressure Water output of the mixed proportion device of realizing the mixing of water and blowing agent and high-pressure pump serial connection branch road, and the other end is connected with the water inlet of the hydraulic turbine 4; The delivery port of the described hydraulic turbine 4 is for pointing to the nozzle 8 of the foam chamber that opposite side forms in the shell; In foam chamber, be provided with multistage foam screen 5,6.Described multistage foam screen is conical structure.Described mixed proportion device and high-pressure pump are the equipment on the fire fighting truck.
By following examples technical solution of the present invention is described specifically, but the present invention is not limited to following description content.
Before using this kind device fabrication foam, blowing agent need pass through the premix process, and the premix mode of blowing agent has two kinds:
A kind of mixing ratio that provides by product, in the pond that puzzles in advance, mix in advance with water by proportioning, molten even stand-by, another kind of mode is to stock in a hold-up tank sending out foaming agent, utilize the water source of fire hydrant to carry premixed liquid (or being mixed liquor) to foam producer by the effect of mixed proportion device and multistage pump
Available blowing agent model has: 3%, 6%, 10%
Depositing dust, noise reduction water base foam occupation mode in the demolition blasting engineering is diversified, and this will be according to the oneself state for the treatment of quick-fried building, and that suits measures to local conditions selects for use.Its mode mainly is to fill the strong depositing dust of a kind of adhesiveness, noise reduction foam by the interior or exterior space for the treatment of quick-fried building, all constructs are wrapped up, it utilizes buildings by explosion and the buildings formed shock wave blast that collapses foam to be dashed, aloft because effect is seethed in the rotation that airflow forms, the foam dust is mixed together, behind the foam contact dust, become big sedimentation by absorption, coalescence, because of sole mass.The method of foam dispensing is as follows:
The dispensing mode one of foam, indoor positioning are installed foaming
When in treating quick-fried structure building, having than large space, and the place is accessible, no-sundries stops up, can be according to the big notes in space, calculate total cube volume of required foam, apolegamy foam producer model and platform number are rationally layouted, location and installation, and, designated firing duration, carry the space dispensing foam of workload in advance to building according to gas release.
This kind mode can also be utilized the high low head of structure building, pours into foam by a high position in low level structure building.
The dispensing mode two of foam, the foaming of outdoor location and installation
In the periphery for the treatment of quick-fried structure building, the fence with row's grid and the interception of colour bar cloth structure pours into foam in fence, form the foam wall.
This mode can be according to the characteristics for the treatment of quick-fried structure building and space, place, set up the multilayer block, promptly multi-layered foamed wall, or build the broad place dispensing foaming dust suppression band of beyond the region of objective existence at structure.
The dispensing mode three of foam, portable foaming
On the repacking vehicle, rotary transfer arm is installed, by the stretching, extension and the rotation of transfer arm,, foam-filled to space dispensing in the building by window to the inside of the structure building below three floors.
This mode also can be discharged multi-layered foamed wall, garbage mountain and dustproof foam band.
Claims (2)
1, a kind of forced foam generator is characterized in that it comprises blower fan, the hydraulic turbine, nozzle, multistage foam screen, foam chamber, water inlet pipe, return duct and cylindrical case; The described blower fan and the hydraulic turbine are installed on the same main shaft, and are set at rear in the cylindrical case, and described main shaft is consistent with the air channel of shell; One end of described water inlet pipe is connected with the High-Pressure Water output of the mixed proportion device of realizing the mixing of water and blowing agent and high-pressure pump serial connection branch road, and the other end is connected with the water inlet of the hydraulic turbine; The delivery port of the described hydraulic turbine is divided into two-way, and one the tunnel is multistage return duct, and another road is for pointing to the nozzle of the foam chamber in the place ahead in the shell, and multistage return duct is connected with the inlet of described high-pressure pump; In foam chamber, be provided with multistage foam screen.
2, a kind of forced foam generator as claimed in claim 1 is characterized in that: described multistage foam screen is the structure of circular cone or circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100943429A CN101259308A (en) | 2008-04-28 | 2008-04-28 | Forced foam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100943429A CN101259308A (en) | 2008-04-28 | 2008-04-28 | Forced foam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101259308A true CN101259308A (en) | 2008-09-10 |
Family
ID=39960135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100943429A Pending CN101259308A (en) | 2008-04-28 | 2008-04-28 | Forced foam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101259308A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103083844A (en) * | 2013-02-18 | 2013-05-08 | 上海中备实业公司 | Firefighting foam multiplication cylinder |
| CN103541757A (en) * | 2013-10-18 | 2014-01-29 | 中国矿业大学 | Mining foam generator for preventing and extinguishing fire |
| CN103550890A (en) * | 2013-11-08 | 2014-02-05 | 西安新竹防灾救生设备有限公司 | Gun for generating medium expansion foams |
| CN106492377A (en) * | 2016-12-30 | 2017-03-15 | 上海格拉曼国际消防装备有限公司 | A kind of foam firefighting extinguishing device and its application |
| CN106730503A (en) * | 2016-12-15 | 2017-05-31 | 叶浩奔 | A kind of fire-fighting mechanical foam producing device |
| CN106932336A (en) * | 2017-04-25 | 2017-07-07 | 盐城工学院 | Sprayer unit and corrosion case |
| CN110548239A (en) * | 2019-09-22 | 2019-12-10 | 杭州新纪元消防科技有限公司 | Medium-high multiple foam generating device |
| CN112402845A (en) * | 2020-11-25 | 2021-02-26 | 江苏徐工工程机械研究院有限公司 | Fire Truck Foam Mix Enhancer and Fire Truck |
| CN113134185A (en) * | 2020-01-20 | 2021-07-20 | 南京南瑞继保电气有限公司 | Foam generator reaches compressed air foam extinguishing device who contains it |
-
2008
- 2008-04-28 CN CNA2008100943429A patent/CN101259308A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103083844A (en) * | 2013-02-18 | 2013-05-08 | 上海中备实业公司 | Firefighting foam multiplication cylinder |
| CN103541757A (en) * | 2013-10-18 | 2014-01-29 | 中国矿业大学 | Mining foam generator for preventing and extinguishing fire |
| CN103541757B (en) * | 2013-10-18 | 2016-03-23 | 中国矿业大学 | A kind of mining fire extinguishing foam producer |
| CN103550890A (en) * | 2013-11-08 | 2014-02-05 | 西安新竹防灾救生设备有限公司 | Gun for generating medium expansion foams |
| CN106730503A (en) * | 2016-12-15 | 2017-05-31 | 叶浩奔 | A kind of fire-fighting mechanical foam producing device |
| CN106492377A (en) * | 2016-12-30 | 2017-03-15 | 上海格拉曼国际消防装备有限公司 | A kind of foam firefighting extinguishing device and its application |
| CN106492377B (en) * | 2016-12-30 | 2022-03-08 | 上海格拉曼国际消防装备有限公司 | Foam fire-fighting extinguishing device and application thereof |
| CN106932336A (en) * | 2017-04-25 | 2017-07-07 | 盐城工学院 | Sprayer unit and corrosion case |
| CN110548239A (en) * | 2019-09-22 | 2019-12-10 | 杭州新纪元消防科技有限公司 | Medium-high multiple foam generating device |
| CN113134185A (en) * | 2020-01-20 | 2021-07-20 | 南京南瑞继保电气有限公司 | Foam generator reaches compressed air foam extinguishing device who contains it |
| CN112402845A (en) * | 2020-11-25 | 2021-02-26 | 江苏徐工工程机械研究院有限公司 | Fire Truck Foam Mix Enhancer and Fire Truck |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080910 |