CN2070186U - Forced screen type fire extinguisher - Google Patents
Forced screen type fire extinguisher Download PDFInfo
- Publication number
- CN2070186U CN2070186U CN 90205212 CN90205212U CN2070186U CN 2070186 U CN2070186 U CN 2070186U CN 90205212 CN90205212 CN 90205212 CN 90205212 U CN90205212 U CN 90205212U CN 2070186 U CN2070186 U CN 2070186U
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- CN
- China
- Prior art keywords
- cooler
- outlet
- water pump
- fire
- pump
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a forced screen type fire extinguisher, comprising an electric air pump 22 arranged on an automotive frame 16, an oil tank 10, pipelines 13 and a water pump 26. A heat emitter 6, a fan, a burner 11 and a cooler 12 are arranged in the pipelines 13. The fan sucks air backward to make the high-pressure oil in the oil tank burnt under the action of the burner thoroughly and quickly, and the combustion air with the fire extinguishing performance cooled by the cooler 12 can spray out of an outlet 14 connected with a soft tube 15. A closed circulating system is composed of the cooler 12, the water pump 26 and the heat emitter 6, and the air sprayed out can form shielding and air isolation around the materials on fire, reaching the purpose of putting out the fire. The utility model, which has the features of movable, flexible, safe and economical, doesn't damage the materials on fire.
Description
The utility model belongs to the fire engineering field, particularly the spray of forest, oil field, oil depot, warehouse and house etc.
In the various fire services appliances that use at present, mainly contain: make the fire fighting truck that uses water as fire services appliance, various foam annihilators and dry powder extinguisher.Can not be used for forest effectively in the above-mentioned Fire extinguisher, the fire extinguishing of places such as oil depot, big warehouse; Fire fighting truck must be by water, can't be used for forest extinguishing, oils is caught fire and can't be used, and all kinds of goods and materials are caught fire and can cause goods and materials are damaged, and the fire fighter must manage even take a risk water is injected directly on the flame simultaneously; General foam or dry-powder-type fire extinguisher but can only disposablely use, and jet length is comparatively limited, and mobility is poor, and efficient is low, the cost height.
The purpose of this utility model is to overcome the deficiency of above-mentioned Fire extinguisher, thereby provides a kind of mobility good, and the life-span is long, and the efficient height does not have the spray of damage effect to the goods and materials that catch fire the time flexible and convenient to use.
Of the present utility model being characterised in that by radiator, fan, cooler, burner, oil feeder and power takeoff formed, be installed with pipeline 13 referring to Fig. 1,2 on automotive frame 16, the driving wheel of power takeoff 24 is connected with 41 with the wheel 39 of water pump 26 and fan shaft 3 by band or chain.The preceding supporting 2 of axle 3 is fixed on the support of crossbeam 16, and trunnion 29 places of pipeline 13 are fixed in back supporting 43.Burner 11 is fixed on the end of anemostat 30, and the outlet 18 of its import 38 and fuel tank 10 is connected.Cooler 12 is installed in the cooler casing 31 between anemostat 30 and the collapsible tube 34.The outlet 14 and the flexible pipe 15 of pipeline 13 join.Fuel tank 10 is fixed on the crossbeam 16.The outlet 21 of its air inlet 7 and electrical pump 22 is connected, and tank pressure induction controller 8 and oil filler 9 are at the top, and oil-out 18 is in the bottom.Electrical pump 22 is fixed on the crossbeam 16.The import 25 of cooler delivery port 33 and water pump 26 is communicated with, and the import 4 of pump outlet 27 and radiator 6 is communicated with, and radiator outlet 23 and cooler inlet 35 are communicated with.
Accompanying drawing 1 is this spray work structuring schematic diagram.
Accompanying drawing 2 is decomposing schematic representations of pipeline 13.
Accompanying drawing 3 is fuel injection nozzle profile schematic diagrames.
The front view of accompanying drawing 4 burner ring-type pipes and oil inlet pipe.
Accompanying drawing 5 is that power takeoff driving wheel and fan wheel, water pump are taken turns connection diagram.
Now this spray is described further with regard to each figure:
Fig. 5, the driving wheel 42 of power takeoff, the wheel 41 of water pump wheel 39 and fan shaft is connected by band or chain, for guaranteeing the transmission mechanism of this machine operate as normal, and be convenient to arrange, power takeoff driving wheel 42 and water pump take turns 39 and fan arbor wheel 41 in same plane.Radiator 6 has filler 5, and middle porose 44 guaranteeing that fan shaft 3 passes, the preceding supporting 2 of fan shaft 3 outside, back supporting 43 is at trunnion 30 places, fan 20 is exhausting backward.Fig. 3,4, the import 38 of burner 11 and the outlet of fuel tank 10 18 are communicated with, and on its loop pipe 37 nozzle 36 are arranged, the nozzle direction is towards fan, effect is that the hydraulic oil of fuel tank 10 is fired while spraying, and the heat of burning has pre-heat effect to nozzle and endless tube, makes the oil of ejection be more conducive to atomizing and burning.The air inlet 7 of fuel tank and the gas outlet of electrical pump 21 are communicated with.The effect of pressure sensitive controller 8 is when work, has the effect that power supply makes air pump work of connecting when tank pressure is low excessively, the outage effect is arranged during hypertonia simultaneously, the delivery port 33 of cooler 12 and water pump 26 water inlets 25 are communicated with, pump outlet 27 and radiator 6 water inlets 4 are communicated with, radiator outlet 23 and cooler water inlet 35 are communicated with, cooler 12, and the acting in conjunction of radiator 6 and water pump 26 makes the water of cooler 12 can be under certain temperature all the time.Power takeoff 24 and fuel tank switch 19 are all in 1 li manipulation of driver's cabin, and power takeoff 24 functions are engine power to be taken out from gearbox pass to water pump 26 and fan 20 again.As this car minus earth, a termination power positive pole of pressure sensitive controller 8 then, the other end connect an end of switch in the driver's cabin 1, and the switch other end then connects electrical pump 22 positive poles, and the electrical pump minus earth can guarantee that like this tank pressure is in a certain scope.Fig. 2, pipeline 13 be by collapsible tube 28, trunnion 29, and diffuser pipe 30, cooler casing 31, collapsible tube 34 and outlet 14 connect to form jointly.The effect of collapsible tube 28 is for the ease of arranging that radiator 6 has the wind gathering effect simultaneously, and the acting in conjunction of trunnion 29 and anemostat 30 is burnings and reduce the influence of the burning gases bulbs of pressure to fan 20 under low flow velocity when guaranteeing a large amount of exhausting.Pipeline 13 is fixed on the crossbeam 16 by supporting 17, and water pump 26 and electrical pump 22 also adopt supporting or direct mode to be fixed on the crossbeam 16.
The course of work is as follows: the circuit of first close pump 22, make it to fuel tank 10 pressurizations, after reaching expulsion pressure, can handle power takeoff 24 and obtain power from gearbox, at this moment fan 20 and water pump 26 enter duty, at this moment engine should be in the low speed operating mode, at this moment opening out oil circuit breaker 19 lights a fire simultaneously (because firing technique is varied, and improved at this than maturation and be not described herein), progressively and simultaneously strengthen the open amount of engine speed and switch 19 after the igniting, be fixed up after making it reach requirement.Burner 11 burns ejection fuel rapidly like this, the burning gases cooler 12 of flowing through promptly is cooled, cooled water flows back to after radiator 6 heat radiations through water pump 26 pumps again, make it to remain under certain temperature, cooled gas enters jet hose 15 by outlet 14 after collapsible tube 34 quickens, handle flexible pipe 15 and make its air insulated around can being sprayed on the thing that catches fire to gas, reach anoxic and put out a fire with extinguishing property.To combustion gas cooling purpose one is that high temperature is unfavorable for handling jet hose 15, two, and ejection back Quench can have influence on injection.
In the use of present embodiment, be fuel of the present utility model with gasoline, establish the gas that requires to produce 3600kg, since automobile, transmission, radiator, cooler, water pump, electrical pump, power takeoff, controller, fan, igniter and various contraction anemostat are the comparatively ripe engineering of generally using, just do not design at this, make mature technology equipment and copy mechanically.Below the major parameter relevant with this spray done specification.
1. carbon containing (C) 85.5% in the gasoline, nitrogenous (H are calculated in burning
2) 14.5%.Contain oxygen (O in the air
2) weight percentage be 23%, combustion 1kg gasoline needs air m
1(kg)
12（kg）C＋32（kg）O
2＝44（kg）CO
2
2（kg）H
2＋16（kg）O
2＝18（kg）H
2O
m
1＝ 1/0.23 ·（ 8/3 ×0.855＋8×0.145）＝14.8（kg）
So burning 1kg gasoline needs air to be about 15kg, because atmospheric density is 1.29kg/m
3, then the 15kg air contains 15/1.29=11.63m
3Nitrogen does not burn in the air, as not considering temperature action, can think that the gas volume of pipeline turnover does not have variation.
2. need amount of fuel M
2(kg), just have according to top calculating
M
2＝ 3600/15 ＝240（kg）
3. establishing trunnion place air velocity is m15m/S, and bore is 300mm, and tube wall does not have influence to steam flow, and burning place opening diameter is 900mm, and speed is U
1, just have
U
1＝15×（ 300/900 ）
2＝1.7（m／s）
Because speed is lower, disregard influence to burning.Air per second flow is made as m
3, m is just arranged
3=(300/1000 * 1/2)
2* 15 * 3.14 * 1.29=1.355(kg)
4. establishing the per second distributive value is M
4, just have
M
4＝1× 1.355/15 ＝0.09（kg）
If n nozzle, each discharge rate are M
n, just have
M
n＝ (M
4)/(n)
5. establish low strap oil mass require can continuous operation half an hour, need oily M
5(kg) just have: M
5=0.09 * 60 * 30=162(kg)
162kg proves the requirement that the band oil mass meets work half an hour and produces 3600kg gas less than 240kg.
6. because burning place air-flow only is 1.7m/s, can not consider the tube wall influence, under the situation that each nozzle is evenly arranged, not to (M
4This value of)/(n) is revised, also can normal combustion.
7. outlet 14 diameters of establishing pipeline 13 are 100mm, 3 outlets are arranged, as disregard temperatures involved, then muzzle velocity U
2For
U
2＝（ 300/100 ）
2×15×1／3＝45（m／s）
Jet hose must be anti-high temperature more than 300 ℃, do not allow during work and block phenomenon.
9. diameter, the thickness of cooler casing 31 and cooling tube 32, length should be determined according to the water circulating speed and the testing of materials.
10. fansink designs is the same with automobile radiators, but considers and to take into account condition simpler, middle porose, guarantees that fan shaft passes.
11. injection pressure determines that at pipeline and burner equidimension and material the back test determines, is lower than 8% and promptly general goods and materials is not had combustion-supporting effect owing to contain oxygen in the air, therefore can determine pressure in a certain scope, but same operate as normal.
1 liter of fire-suppressant gas that gasoline produced is 12. burn
15/1.29 ÷ 1/0.8 * 1000=9300(liter) so volume is enlarged into 9300 times.
The automobile that relates in the present embodiment, power takeoff, water pump, electrical pump, transmission, radiator, burner, the equipment that controller, fuel tank and pressure inductor etc. have all generally used in different engineerings field, technology is ripe perfect, so promoting the use of of this technology there is no much difficulties, but its use will make and still not have effective and safe at present, economic fire-fighting fire extinguishing work reliably has a bigger breakthrough and help, and produces good social benefit and economic benefit.
Claims (3)
1, powerful protected type spray, by power takeoff, radiator, fan, burner, cooler and oil supply mechanism and water pump are formed, it is characterized in that being installed with on the automotive frame 16 pipeline 13, the driving wheel 42 of power takeoff 24 is connected with 41 with the wheel 39 of water pump 26 and fan shaft 3 by band or chain, the preceding supporting 2 of axle 3 is fixed on the support of crossbeam 16, trunnion 29 places of pipeline 13 are fixed in back supporting 43, burner 11 is fixed at the end of anemostat 30, the outlet 18 of its import 38 and fuel tank 10 is communicated with, cooler 12 is in diffusion, in the cooler casing 31 between pipe 30 and the collapsible tube 34, the outlet 14 and the flexible pipe 15 of pipeline 13 join, fuel tank 10 is fixed on the crossbeam 16, the outlet of its air inlet 7 and electrical pump 22 is connected, tank pressure induction controller 8 and oil filler 9 are at its top, and oil-out 18 is in the bottom, electrical pump 22 is fixed on the crossbeam 16, the import 25 of cooler delivery port 33 and water pump 26 is communicated with, and pump outlet 27 and radiator 6 imports 4 are communicated with, and radiator outlet 23 and cooler inlet 35 are communicated with.
2, spray according to claim 1 is characterized in that pipeline 13 by collapsible tube 28, trunnion 29, and anemostat 30, cooler casing 31, collapsible tube 34 and outlet 14 are formed jointly.
3,, it is characterized in that power takeoff driving wheel 42 and fan arbor wheel 41 and water pump wheel 39 is in same plane according to the described spray of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90205212 CN2070186U (en) | 1990-04-19 | 1990-04-19 | Forced screen type fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90205212 CN2070186U (en) | 1990-04-19 | 1990-04-19 | Forced screen type fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2070186U true CN2070186U (en) | 1991-01-30 |
Family
ID=4886021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90205212 Withdrawn CN2070186U (en) | 1990-04-19 | 1990-04-19 | Forced screen type fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2070186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107096152A (en) * | 2017-04-14 | 2017-08-29 | 湖北工业大学 | A kind of automatic folding fan fire extinguisher |
-
1990
- 1990-04-19 CN CN 90205212 patent/CN2070186U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107096152A (en) * | 2017-04-14 | 2017-08-29 | 湖北工业大学 | A kind of automatic folding fan fire extinguisher |
| CN107096152B (en) * | 2017-04-14 | 2019-08-13 | 湖北工业大学 | A kind of automatic folding fan fire extinguisher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |