CN201524364U - Vehicle compressed air foam extinguishing system - Google Patents
Vehicle compressed air foam extinguishing system Download PDFInfo
- Publication number
- CN201524364U CN201524364U CN2009201485729U CN200920148572U CN201524364U CN 201524364 U CN201524364 U CN 201524364U CN 2009201485729 U CN2009201485729 U CN 2009201485729U CN 200920148572 U CN200920148572 U CN 200920148572U CN 201524364 U CN201524364 U CN 201524364U
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- foam
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- compressed air
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- fire
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Abstract
The utility model relates to a vehicle compressed air foam extinguishing system comprising a water supply device, a foam supply device, a compressed air supply device, a water-foam mixed liquor pipeline and a foam jet device, wherein the foam supply device comprises an electric plunger type foam pump, a water-foam mixing proportion automatic control module and a flow meter which is arranged on the water-foam mixed liquor pipeline; the water-foam mixing proportion automatic control module controls the rotation speed of the electric plunger type foam pump according to flow signals provided by the flow meter so as to control the flow of foam liquid; and the foam jet device is used for jetting water-foam-compressed air mixed liquor in the water-foam mixture pipeline. The vehicle compressed air foam extinguishing system can accurately control the foam proportion, has high automation and easy operation, and improves the extinguishing operation efficiency; and the vehicle compressed air foam extinguishing system can further realize the functions of cleaning the pipelines, cooling a power takeoff assembly, lubricating oil of a water pump gear box and a lubricating oil heat exchanger of an air compressor, filling water into a water container, discharging surplus water and the like.
Description
Technical field
The utility model relates to fire-fighting domain, relates in particular to Vehicular compressed air foam fire-extinguishing system.
Background technology
Vehicular compressed air foam fire-extinguishing system is a kind of novel fire-fighting fire extinguishing technology, aqueous water can be mixed with foam dope earlier, by a certain percentage then with the air under the compressive state by a certain percentage, in pipeline or premixed in the water band, eject by apparatus for spray of foam.
At present, many air compression foam fire extinguishing systems are made up of with flow spoiler, fire water monitor, fire-fighting lance etc. with air and liquid mixer, rifle with flow spoiler, rifle with air and liquid mixer, big gun water pump, foam proportioning unit, air compressor, big gun.The pressure water source that water pump the provides foam proportioning unit of flowing through mixes with the foam solution ratio in accordance with regulations in the system and forms foam mixing liquid; big gun with or rifle with air and liquid mixer in the air that provides by air compressor of adding; form mixed liquor-compressed air two phase flow; through big gun with or rifle spray compressed-air foam with the flow spoiler back that stirs by fire water monitor or fire-fighting lance, reach and put out a fire and the effect of thermal insulation protection.In fact, this device provides pressure water source with water pump, foam solution in foam proportioning unit (negative pressure of vacuum suction principle) and device mixes the mixed liquor of formation in proportion, big gun with or rifle with air and liquid mixer in the compressed air that provides by air compressor of adding, form mixed liquor-compressed air two phase flow, through big gun with or rifle fire monitor or Fire branch injection compressed-air foam are arranged after stirring with flow spoiler.As the applying date be 2004.08.26, a kind of compressed-air type A foam extinguishing device that application number 200420082250.6 is related.This negative pressure of vacuum suction line of Venturi effect that utilizes is easy to generate pressure oscillation, and the foam mixing liquid mixed proportion is produced deviation.Foam proportioner is very inconvenient to accurate adjusting foams mix ratio, is difficult for forming fast the compressed-air foam that is fit to the scene of fire different phase.Also there are some air compression foam fire extinguishing systems to adopt compressed air now as power (pressure air that produces as pressure cylinder or air compressor etc.), supply with foam solution with malleation, can on pressure water line, directly connect for the foam solution pipeline, after water, foam solution mix in pipeline, directly inserting compressed air line, form stable gas, liquid two-phase, as the applying date be 2006.02.20, a kind of compressed air foam fire-extinguishing apparatus that application number 200620069396.6 is related.This to have adopted compressed air to supply with foam solution as the malleation mode of power, though the system pressure fluctuation of having avoided negative pressure feeding to cause, but the foams mix ratio still is difficult for accurate fast the adjustment, and under the very little situation of flow, deviation appears in the foam ratio.
Present many air compression foam fire extinguishing systems still adopt manual control, and automaticity is not high, causes system's complicated operation, the limitation that is subjected to system architecture that has is difficult for operating, and has greatly reduced the fire extinguishing operating efficiency, bungle the chance of winning a battle, lives and properties are caused immeasurable loss.
The utility model content
In order to solve above-mentioned technical problem, the Vehicular compressed air foam fire-extinguishing system that the utility model relates to, its purpose is, improves the automatic control level of Vehicular compressed air foam fire-extinguishing system, and realizes the accurate control to the foams mix ratio.
The utility model provides Vehicular compressed air foam fire-extinguishing system, comprising: water supply, foam feeding mechanism, compressed air supply system, water-foams mix liquid pipeline and apparatus for spray of foam; Wherein the foam feeding mechanism comprises electronic plunger type foam pump, water-foams mix ratio automatic control module and is installed on flowmeter on water-foams mix liquid pipeline;
Water supply is used to water-foams mix pipeline to supply water;
Water-flow signal that foams mix ratio automatic control module provides according to flowmeter is controlled the rotating speed of electronic plunger type foam pump, with control foam solution flow;
Compressed air supply system is used to apparatus for spray of foam that compressed air is provided;
Apparatus for spray of foam is used for injection water-foam-compressed air mixed liquor.
Water supply comprises water pump, water pot and first check-valves, and wherein the water in the water pump driving water pot is through the first check-valves feed pressure water lines, and pressure water line is connected with water-foams mix liquid pipeline.
The foam feeding mechanism also comprises first ball valve, second check-valves, foam filter, overflow valve and foam jet;
Foam solution in the foam tank is input to electronic plunger type foam pump through first ball valve, second check-valves and foam filter;
The foam solution of electronic plunger type foam pump output crosses with pressure water line through foam jet, overflow valve and foam solution fluid pipeline.
Compressed air supply system comprises: electromagnetic clutch, power unit, screw air compressor, air filter, gs-oil separator, second ball valve, the 3rd check-valves and flow control valve;
Electromagnetic clutch is used to control the screw air compressor that power unit drives, will be through the air compression of air filter; Compressed air inputs to water-foams mix liquid pipeline through gs-oil separator, second ball valve, the 3rd check-valves and flow control valve; Power unit is the timing belt pulley that is installed on the pump shaft input.
Compressed air supply system comprises and utilizes differential pressure action to regulate the gas-liquid pressure balanced valve of the aperture of self, one end of gas-liquid pressure balanced valve is connected with water-foams mix liquid pipeline, and an other end of gas-liquid pressure balanced valve is connected with second ball valve with gs-oil separator respectively.
Apparatus for spray of foam comprises the 3rd ball valve and Fire branch and/or the fire monitor that is installed on water-foams mix liquid pipeline.
Water supply also comprises the 4th ball valve; Water in the external water source is through water pump, and first check-valves and the 4th ball valve inject water pot.
The foam feeding mechanism also comprises the cleaning control ball valve; One end of cleaning control ball valve is connected with first check-valves, and the other end of cleaning control ball valve is connected with first ball valve with foam feed flow pipeline respectively, is used to clean foam solution fluid pipeline, water-foams mix liquid pipeline and foam jet pipeline.
Water supply also comprises the 5th ball valve; The water of water pump output is used for through first check-valves and the 5th ball valve water pump power takeoff, water pump gear case lubricating oil, air-compressor lubricating oil heat exchanger being cooled off.
The air compression supplying device also comprises the 6th ball valve and external gas source interface; One end of the 6th ball valve is connected with gs-oil separator with second ball valve respectively, and the other end of the 6th ball valve is connected with the external gas source interface, is used to provide the source of the gas of rescue gear.
Water supply also comprises the 7th ball valve that is arranged between first check-valves and the apparatus for spray of foam.
Also be provided with in the Vehicular compressed air foam fire-extinguishing system and be used to put the surplus penstock of putting of Yu Shui.
The utility model can accurately be controlled the foam ratio, and the automaticity height, and operation has improved the fire extinguishing operating efficiency easily; And the utility model can also be realized detergent line, cooling power takeoff, water pump gear case lubricating oil, air-compressor lubricating oil heat exchanger, and water filling in water pot, and put function such as Yu Shui.
Description of drawings
Fig. 1 is the Vehicular compressed air foam fire-extinguishing system schematic diagram that the utility model provides
Fig. 2 is the Vehicular compressed air foam fire-extinguishing system structure chart that the utility model provides.
The parts that refer to of each Reference numeral are as follows: 1, water pump 2, ball valve 3, overflow valve 4, water pot 5, Pressure gauge 6, check-valves 7, screw air compressor 8, concentrated tank 9, foam filter 10, gs-oil separator 11, flow control valve 12, Fire branch 13, fire monitor 14, cleaning valve 15, air compressor machine condenser 16, power takeoff condenser 17, pump gearbox condenser 18, electromagnetic clutch 19, gas-liquid pressure balanced valve 20, compressed air fast interface 21, timing belt pulley 22, plunger type foam pump 23, water-foams mix ratio automatic control module 24, flowmeter 25, foam jet 26, air filter 27, external water source
The specific embodiment
The utility model proposes a kind of Vehicular compressed air foam fire-extinguishing system with Automatic Control foam ratio mixed function, whole CAFS mainly is made up of water pump, Automatic Control foam proportioning system, compressed air system, apparatus for spray of foam and relevant control system etc.Foam solution in the concentrated tank is through the press water of Automatic Control foam proportioning system and the water pump driving formation water-foam mixing liquid that crosses, the compressed air that air compressor machine drives and water-foam mixing liquid cross and are mixed into air-water-foam solution, pass through injection apparatus (Fire branch, big gun) at last and eject.
The Vehicular compressed air foam fire-extinguishing system schematic diagram that the utility model provides comprises as shown in Figure 1: water supply, foam feeding mechanism, compressed air supply system, water-foams mix liquid pipeline and apparatus for spray of foam; Wherein the foam feeding mechanism comprises electronic plunger type foam pump, water-foams mix ratio automatic control module and is installed on flowmeter on water-foams mix liquid pipeline;
Water supply is used to water-foams mix pipeline to supply water;
Water-flow signal that foams mix ratio automatic control module provides according to flowmeter is controlled the rotating speed of electronic plunger type foam pump, with control foam solution flow;
The compressed air that provides apparatus for spray of foam required is provided compressed air supply system.
Below in conjunction with Fig. 2, the utility model is described in further detail.
1) Vehicular compressed air foam fire-extinguishing system.
The water that water pump 1 drives in the water pot 4 through check-valves 6, crosses with foam solution fluid pipeline.
Foam solution is through foam control ball valve 2 (being specially foam control ball valve) in the concentrated tank 8, check-valves 6, foam filter 9 is input to electronic plunger type foam pump 22, foam pump is according to the flow signal that is installed on the flowmeter 24 of water-foams mix liquid pipeline, by water-foams mix ratio automatic control module 23, functional relation program according to its built-in flow and foam pump rotating speed, adjust the motor speed that drives foam pump, change the foam solution flow with this, reach the foam mixing liquid of required ratio, foam solution is through foam jet 25, overflow valve 3, the pressure water line of drawing with water pump crosses, and is transported to water-foams mix pipeline.
By electromagnetic clutch 18 controls, be installed on the timing belt pulley 21 of pump shaft input, the screw air compressor 7 of driving will be through the air of air filter 26, through gs-oil separator 10, ball valve 2 (being specially compressed air control valve), check-valves 6, flow control valve 11, input to water-foam solution mixed pipe line, mix with the certain proportion foam mixing liquid,, eject by Fire branch 12 and/or fire monitor 13 at last through ball valve 2 (being specially the foam jet control valve).
Gas-liquid pressure balanced valve 19, the aperture of utilizing differential pressure action to come control valve, thus control compressed air line effectively and mixed liquor loine pressure difference is not more than 10%, to avoid because pressure differential is excessive, compressed air can not fully mix with foam mixing liquid.
By flow control valve 11, adjust the compressed air require that mixes with water-foam mixing liquid, form different dried, wet foam.
2) to the water pot water injecting pipeline.
Water in the external water source 27, through water pump 1, check-valves 6, ball valve 2 (being specially the water filling control valve) injects water pot 4, finishes the water filling of external water source (as pond, fire hydrant etc.) to water pot.
3) foam detergent line.
From the clear water that water pump 1 is drawn, through check-valves 6, cleaning control ball valve 14 is linked in foam solution fluid pipeline, water-foam solution mixed pipe line, the foam jet pipeline, finishes the cleaning of pipeline.
4) cooling line.
The press water that water pump 1 is drawn, through check-valves 6, ball valve 2 (being specially the cooling line control valve) cools off water pump power takeoff 15, water pump gear case lubricating oil 16, air-compressor lubricating oil heat exchanger 17.
5) externally export compressed air.
The compressed air that air compressor 7 produces, through gs-oil separator 10, ball valve 2 (being specially external source of the gas control valve), external gas source interface 20, as the source of the gas of rescue gear, also can spray compressed air with fire-fighting lance, disperse scene of a fire smog and poisonous chemical gas.
6) put surplus water function.
Locate to put surplus penstock at water pump bottom, rifle fluid pipeline, big gun fluid pipeline, water-foams mix liquid pipeline, lubricating oil heat exchanger, balanced valve etc., realize the surplus water function of putting of system.
This Vehicular compressed air foam fire-extinguishing system has following characteristics:
1) the full-automatic foam ratio is mixed. The full-automatic foam proporting system is according to the flow signal of gathering from the mixed liquor pipeline, by computer controlled automatic electric plunger revolution speed, make the foam in the injected system change and automatically change with discharge, thereby keep mixing ratio in the scope of setting, the foam solution of supplying with malleation like this, can avoid the system pressure fluctuation that negative pressure feeding causes and bring thus gas, liquid are mixed the adverse effect of bringing, guaranteed comparatively accurate foams mix ratio, and do not need complicated operation, realized automatically control of foam ratio mixing.
2) full-automatic compressed air control system. Compressed air system adopts the timing belt pulley transferring power drive screw formula air compressor that is installed on the pump shaft input; Adopt the start and stop of electromagnetic clutch control air compressor; The functions such as compressed air air demand, supply gas pressure, adjustment are all finished automatically by system, and control module is made of air pressure, automatic control flow valve, water, air pressure balanced valve, temperature detect switch (TDS) etc.; Lubricating oil cools down water is controlled by temperature detect switch (TDS) from the water pump water outlet pipeline in the system; Simple in structure, the stable working of whole system, easy to maintenance.
3) by the regulation and control related valve, can realize spraying dry foam, wet foam; Can realize a rifle spray dry foam, the mixed spray of dried wet foam that rifle squirts foam; Can realize from different pipelines difference water outlets and foam. Can select as required different injection types.
4) pipeline-cleaning. Go out clear water from the pumping line pass, through a control ball valve, insert in the foams mix liquid pipeline, consist of detergent line. Make things convenient for pipeline-cleaning, reduce foam solution to the corrosion of pipeline.
5) cooling line. Draw cooling line on the water pump inlet and outlet pipe, power takeoff, water pump gear case lubricating oil, air compressor lubricating oil heat exchanger are cooled off.
6) external output squeezing air. This car air compressor is equipped with the compressed air output interface, and externally the output squeezing air can use for pneumatic tool, can be used as the source of the gas of rescue gear, also can spray compressed air with fire-fighting lance, disperses scene of a fire smog and poisonous chemical gas.
7) put surplus water function. Put at water pump bottom, rifle fluid pipeline, big gun fluid pipeline, mixed liquor pipeline, lubricating oil heat exchanger, balanced valve etc. locate to put surplus penstock, can the remained water discharge in it is clean, prevent that pipeline, device are freezing at the freezed in winter of cold.
Those skilled in the art can also carry out various modifications to above content under the condition that does not break away from the definite spirit and scope of the present utility model of claims. Therefore scope of the present utility model is not limited in above explanation, but determined by the scope of claims.
Claims (10)
1. Vehicular compressed air foam fire-extinguishing system is characterized in that, comprising: water supply, foam feeding mechanism, compressed air supply system, water-foams mix liquid pipeline and apparatus for spray of foam; Wherein the foam feeding mechanism comprises electronic plunger type foam pump, water-foams mix ratio automatic control module and is installed on flowmeter on water-foams mix liquid pipeline;
Water supply is used to water-foams mix pipeline to supply water;
Water-flow signal that foams mix ratio automatic control module provides according to flowmeter is controlled the rotating speed of electronic plunger type foam pump, with control foam solution flow;
Compressed air supply system is used to apparatus for spray of foam that compressed air is provided;
Apparatus for spray of foam is used for injection water-foam-compressed air mixed liquor.
2. Vehicular compressed air foam fire-extinguishing system as claimed in claim 1, it is characterized in that, water supply comprises water pump, water pot and first check-valves, and wherein the water in the water pump driving water pot is through the first check-valves feed pressure water lines, and pressure water line is connected with water-foams mix liquid pipeline.
3. Vehicular compressed air foam fire-extinguishing system as claimed in claim 2 is characterized in that, the foam feeding mechanism also comprises first ball valve, second check-valves, foam filter, overflow valve and foam jet;
Foam solution in the foam tank is input to electronic plunger type foam pump through first ball valve, second check-valves and foam filter;
The foam solution of electronic plunger type foam pump output crosses with pressure water line through foam jet, overflow valve and foam solution fluid pipeline.
4. Vehicular compressed air foam fire-extinguishing system as claimed in claim 3 is characterized in that compressed air supply system comprises: electromagnetic clutch, power unit, screw air compressor, air filter, gs-oil separator, second ball valve, the 3rd check-valves and flow control valve;
Electromagnetic clutch is used to control the screw air compressor that power unit drives, will be through the air compression of air filter; Compressed air inputs to water-foams mix liquid pipeline through gs-oil separator, second ball valve, the 3rd check-valves and flow control valve; Power unit is the timing belt pulley that is installed on the pump shaft input.
5. Vehicular compressed air foam fire-extinguishing system as claimed in claim 4, it is characterized in that, compressed air supply system comprises and utilizes differential pressure action to regulate the gas-liquid pressure balanced valve of the aperture of self, one end of gas-liquid pressure balanced valve is connected with water-foams mix liquid pipeline, and an other end of gas-liquid pressure balanced valve is connected with second ball valve with gs-oil separator respectively.
6. Vehicular compressed air foam fire-extinguishing system as claimed in claim 1 is characterized in that, apparatus for spray of foam comprises the 3rd ball valve and Fire branch and/or the fire monitor that is installed on water-foams mix liquid pipeline.
7. Vehicular compressed air foam fire-extinguishing system as claimed in claim 2 is characterized in that water supply also comprises the 4th ball valve; Water in the external water source is through water pump, and first check-valves and the 4th ball valve inject water pot.
8. Vehicular compressed air foam fire-extinguishing system as claimed in claim 3 is characterized in that the foam feeding mechanism also comprises the cleaning control ball valve; One end of cleaning control ball valve is connected with first check-valves, and the other end of cleaning control ball valve is connected with first ball valve with foam feed flow pipeline respectively, is used to clean foam solution fluid pipeline, water-foams mix liquid pipeline and foam jet pipeline.
9. Vehicular compressed air foam fire-extinguishing system as claimed in claim 3 is characterized in that water supply also comprises the 5th ball valve; The water of water pump output is used for through first check-valves and the 5th ball valve water pump power takeoff, water pump gear case lubricating oil, air-compressor lubricating oil heat exchanger being cooled off.
10. Vehicular compressed air foam fire-extinguishing system as claimed in claim 4 is characterized in that, the air compression supplying device also comprises the 6th ball valve and external gas source interface; One end of the 6th ball valve is connected with gs-oil separator with second ball valve respectively, and the other end of the 6th ball valve is connected with the external gas source interface, is used to provide the source of the gas of rescue gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201485729U CN201524364U (en) | 2009-04-03 | 2009-04-03 | Vehicle compressed air foam extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201485729U CN201524364U (en) | 2009-04-03 | 2009-04-03 | Vehicle compressed air foam extinguishing system |
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| Publication Number | Publication Date |
|---|---|
| CN201524364U true CN201524364U (en) | 2010-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201485729U Expired - Lifetime CN201524364U (en) | 2009-04-03 | 2009-04-03 | Vehicle compressed air foam extinguishing system |
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| CN (1) | CN201524364U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101543669B (en) * | 2009-04-03 | 2012-01-11 | 北京中卓时代消防装备科技有限公司 | Vehicular compressed air foam fire-extinguishing system |
| CN103521105A (en) * | 2013-09-26 | 2014-01-22 | 奇瑞汽车股份有限公司 | Proportion-adjustable automobile fluid matching control system and control method thereof |
| CN105288921A (en) * | 2015-12-01 | 2016-02-03 | 无锡拓能自动化科技有限公司 | Flow regulation control device of fire-fighting spraying head |
| CN108635702A (en) * | 2018-05-16 | 2018-10-12 | 东华大学 | Foam solution mixing generating means in a kind of compressed air foam fire-extinguishing system |
| CN110415481A (en) * | 2019-08-20 | 2019-11-05 | 宝钢湛江钢铁有限公司 | A kind of hot face imaging temperature-sensitive detection alarm system |
| CN110559578A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | Movable foaming device capable of adjusting gas-liquid ratio and compressing gas foam |
| CN111760224A (en) * | 2020-06-30 | 2020-10-13 | 三一汽车制造有限公司 | Automatic flushing system and fire engine |
| CN113679989A (en) * | 2021-08-27 | 2021-11-23 | 广东瑞霖特种设备制造有限公司 | Compressed air foam fire extinguishing device |
-
2009
- 2009-04-03 CN CN2009201485729U patent/CN201524364U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101543669B (en) * | 2009-04-03 | 2012-01-11 | 北京中卓时代消防装备科技有限公司 | Vehicular compressed air foam fire-extinguishing system |
| CN103521105A (en) * | 2013-09-26 | 2014-01-22 | 奇瑞汽车股份有限公司 | Proportion-adjustable automobile fluid matching control system and control method thereof |
| CN103521105B (en) * | 2013-09-26 | 2015-09-23 | 奇瑞汽车股份有限公司 | A kind of automotive fluid proportioning control system of proportion adjustable and control method thereof |
| CN105288921A (en) * | 2015-12-01 | 2016-02-03 | 无锡拓能自动化科技有限公司 | Flow regulation control device of fire-fighting spraying head |
| CN108635702A (en) * | 2018-05-16 | 2018-10-12 | 东华大学 | Foam solution mixing generating means in a kind of compressed air foam fire-extinguishing system |
| CN110559578A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | Movable foaming device capable of adjusting gas-liquid ratio and compressing gas foam |
| CN110415481A (en) * | 2019-08-20 | 2019-11-05 | 宝钢湛江钢铁有限公司 | A kind of hot face imaging temperature-sensitive detection alarm system |
| CN111760224A (en) * | 2020-06-30 | 2020-10-13 | 三一汽车制造有限公司 | Automatic flushing system and fire engine |
| CN111760224B (en) * | 2020-06-30 | 2023-10-27 | 三一汽车制造有限公司 | Automatic flushing system and fire engine |
| CN113679989A (en) * | 2021-08-27 | 2021-11-23 | 广东瑞霖特种设备制造有限公司 | Compressed air foam fire extinguishing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100714 Effective date of abandoning: 20090403 |