Disclosure of Invention
The utility model solves the technical problem of providing the pressure conveying foam type fire-fighting facility which is simple to operate, can strengthen the water-jet distance, lighten the pressure, and further can coordinate the operations inside and outside so as to exert the maximum fire-extinguishing efficiency.
In order to solve the technical problems, the pressure-conveying foam fire-fighting equipment provided by the utility model comprises: the fire-fighting truck comprises a mounting plate arranged in the fire-fighting truck, wherein the mounting plate is provided with a pressure conveying foam fire-fighting mechanism which is used for spraying foam to extinguish fire;
the utility model provides a pressure delivery foam fire control mechanism is including water pitcher, foam jar, foam proportional mixer, high pressure gas jar, foam generator and foam generator, water pitcher fixed mounting is on the top of mounting panel, foam jar fixed mounting is on the top of mounting panel, the foam jar is located one side of water pitcher, foam proportional mixer fixed mounting is on the top of mounting panel, foam proportional mixer is located the place ahead of water pitcher and foam jar, high pressure gas jar fixed mounting is on the top of mounting panel, high pressure gas jar is located the rear of foam jar, foam generator fixed mounting is on the top of mounting panel, foam generator is located the place ahead of foam proportional mixer, be equipped with the foam gun on the top of fire control vehicle, the bottom of foam gun extends to in the fire control vehicle.
As a further scheme of the utility model, a first water pump is fixedly arranged at the top of the mounting plate, a first water pumping pipe is fixedly arranged on a water pumping port of the first water pump, one end of the first water pumping pipe extends into the water tank, a first water draining pipe is fixedly arranged on the first water pump, and one end of the first water draining pipe extends into the foam proportion mixer.
As a further scheme of the utility model, a water pump II is fixedly arranged at the top of the mounting plate, a water pumping pipe II is fixedly arranged on a water pumping port of the water pump II, one end of the water pumping pipe II extends into the foam tank, a water draining pipe II is fixedly arranged on the water pump II, and one end of the water draining pipe II extends into the foam proportional mixer.
As a further scheme of the utility model, an air pump is arranged on the high-pressure air tank, an air extraction pipe is fixedly arranged on an air extraction opening of the air pump, one end of the air extraction pipe extends into the high-pressure air tank, an exhaust pipe is fixedly arranged on the air pump, and one end of the exhaust pipe extends into the foam proportion mixer.
As a further scheme of the utility model, a water pump III is fixedly arranged at the top of the mounting plate, a water pumping pipe III is fixedly arranged on a water pumping port of the water pump III, one end of the water pumping pipe III extends into the foam proportion mixer, a water draining pipe III is fixedly arranged on the water pump III, and one end of the water draining pipe III extends into the foam generator.
As a further scheme of the utility model, a booster pump is fixedly arranged at the top of the mounting plate, a water pumping pipe IV is fixedly arranged on a water pumping port of the booster pump, one end of the water pumping pipe IV extends into the foam generator, a water draining pipe IV is fixedly arranged on the booster pump, and one end of the water draining pipe IV is fixedly connected with the bottom end of the foam gun.
As a further scheme of the utility model, the top of the mounting plate is provided with a controller, the top of the fire-fighting vehicle is provided with a buzzer, the water tank and the foam tank are respectively provided with a water level sensor, and the water level sensor and the buzzer are both connected with the controller.
Compared with the related art, the pressure conveying foam type fire fighting equipment provided by the utility model has the following beneficial effects:
1. the utility model has simple operation, can strengthen the water jet distance, lighten the pressure, and further can coordinate the operations inside and outside so as to exert the maximum fire extinguishing efficiency.
Detailed Description
Referring to fig. 1 and 2 in combination, fig. 1 is a schematic diagram of the present utility model; fig. 2 is a schematic sectional view of the portion a in fig. 1. The pressure delivery foam fire protection installation comprises: the fire-fighting vehicle comprises a mounting plate 2 arranged in the fire-fighting vehicle 1, wherein a pressure conveying foam fire-fighting mechanism is arranged on the mounting plate 2 and used for spraying foam to extinguish fire;
the pressure conveying foam fire-fighting mechanism comprises a water tank 3, a foam tank 4, a foam proportional mixer 5, a high-pressure air tank 6, a foam generator 7 and a foam generator 7, wherein the water tank 3 is fixedly installed on the top of the mounting plate 2, the foam tank 4 is located on one side of the water tank 3, the foam proportional mixer 5 is fixedly installed on the top of the mounting plate 2, the foam proportional mixer 5 is located in front of the water tank 3 and the foam tank 4, the high-pressure air tank 6 is fixedly installed on the top of the mounting plate 2, the high-pressure air tank 6 is located behind the foam tank 4, the foam generator 7 is fixedly installed on the top of the mounting plate 2, the foam generator 7 is located in front of the foam proportional mixer 5, a foam gun 8 is arranged on the top of the fire-fighting vehicle 1, and the bottom end of the foam gun 8 extends into the fire-fighting vehicle 1.
The foam proportion mixer 5 is in the prior art, and the proportion adjusting range is as follows: 0.1-1.0%, can continuously adjust, the flow: 0.38-9.5. 9.5L, min, and 2.8-1.1 Mpa.
The foam gun 8 is of the prior art, comprises manual and electric remote control dual-purpose, and has the advantages of direct current, variable flowering, adjustable flow, remote control operation and water jetting capacity: foam proportion mixer 5L, min with flow rate not less than 48, range: the water injection is more than or equal to 80m, and the foam injection is more than or equal to 70m, so the water injection can be selected according to the requirements.
The top of mounting panel 2 fixed mounting has a water pump one 9, fixed mounting has a water pumping pipe one on the water pumping mouth of water pump one 9, in the one end of water pumping pipe one extends to water pitcher 3, fixed mounting has a drain pipe one on the water pump one 9, in the one end of drain pipe one extends to foam proportion blender 5.
The top of mounting panel 2 fixed mounting has water pump two 10, fixed mounting has the drinking-water pipe two on the mouth of a river of water pump two 10, the one end of drinking-water pipe two extends to in the foam jar 4, fixed mounting has the drain pipe two on the water pump two 10, the one end of drain pipe two extends to in the foam proportion mixer 5.
The high-pressure air tank 6 is provided with an air pump 11, an air extraction pipe is fixedly arranged on an air extraction opening of the air pump 11, one end of the air extraction pipe extends into the high-pressure air tank 6, the air pump 11 is fixedly provided with an exhaust pipe, and one end of the exhaust pipe extends into the foam proportion mixer 5.
The top fixed mounting of mounting panel 2 has water pump three 12, fixed mounting has the drinking-water pipe three on the mouth of a river of water pump three 12, the one end of drinking-water pipe three extends to in the foam proportion mixer 5, fixed mounting has the drain pipe three on the water pump three 12, the one end of drain pipe three extends to in the foam generator 7.
The top fixed mounting of mounting panel 2 has booster pump 13, fixed mounting has fourth drinking-water pipe on the pumping mouth of booster pump 13, in fourth one end of drinking-water pipe extends to foam generator 7, fixed mounting has fourth drain pipe on the booster pump 13, fourth one end of drain pipe and the bottom fixed connection of foam gun 8.
The top of mounting panel 2 is equipped with controller 14, the top of fire control vehicle 1 is equipped with bee calling organ 15, all be equipped with water level sensor 16 on water pitcher 3 and the foam tank 4, water level sensor 16, bee calling organ 15 all are connected with controller 14.
The foam generator 7 and the water level sensor 16 are both of the prior art and will not be described in any great detail.
When the water gun is used for spraying compressed air foam, gas-mixed liquid two-phase fluid is formed in the fire hose, the inlet pressure of the water gun is not more than 0.15MPa when the foam is wet, the inlet pressure of the water gun is not more than 0.02MPa when the foam is dry, the pressure born by the fire hose is low, the volume contractibility of the compressed air also avoids the impact of water hammer on the fire hose when the pressure is suddenly changed, and the reliability of water supply conveying is ensured.
Vertical water supply distance:
80mm hose according to the calculation:
volume = 3.14× (0.08/2) 2×20 = 0.10048 cubic meters = 100.48 kg;
65mm hose according to the calculation:
volume=3.14× (0.065/2) 2×20= 0.06633 cubic meters= 66.33 kg;
water weight:
the weight of the 80mm water band filled with water is 100.48 kg;
the 65mm water hose was full of water weighing = 66.33 kg;
foam weight with compressed air:
the weight of the 80mm water band is 42.5 kg when the water band is used for compressed air foam;
the weight of the 65mm water belt when the water belt is used for compressed air foam is=20 kg;
at present, the vertical water supply distance of a conventional fire truck is 50m, and if 80mm water belts are adopted for vertical water supply, the foam supply distance of the compressed air foam fire truck can at least reach 100m;
if the 65mm water belt is used for vertical water supply, the foam supply distance of the compressed air foam fire engine can reach at least 150m, and the compressed air foam fire engine generally adopts the 40mm water belt, that is to say, the vertical foam supply distance of the compressed air foam fire engine is higher.
The working principle of the pressure conveying foam type fire-fighting facility provided by the utility model is as follows:
a first step of: when the fire-fighting vehicle is used, the fire-fighting vehicle 1 is started to a fire position, then the water pump I9 and the water pump II 10 are started to operate, then under the action of the water suction pipe I and the water suction pipe II, water and foam in the water tank 3 and the foam tank 4 are pumped out, then all the water and foam are discharged into the foam proportion mixer 5 to be mixed under the cooperation of the water suction pipe I and the water suction pipe II, and during the mixing period, the air pump 11 can be started to operate, the high-pressure gas in the high-pressure gas tank 6 is pumped out through the air suction pipe and then is discharged into the foam proportion mixer 5 to be pressurized, after the mixing is finished, the water pump III 12 is started to operate, the mixed foam is pumped out from the foam proportion mixer 5 through the water suction pipe III to be discharged into the foam generator 7 to be foamed, finally the booster pump 13 is started to operate, and then the foam is pressurized and sprayed out through the water suction pipe IV and the foam gun 8 to be mixed, so that the fire-fighting operation can be performed, the fire extinguishing operation can be simple, the water jet distance can be enhanced, the pressure can be lightened, and the fire extinguishing efficiency can be coordinated inside and outside to be maximized;
and a second step of: during fire extinguishing, the liquid levels in the water tank 3 and the foam tank 4 can be detected in real time through the water level sensor 16, when the liquid level is lower than the water level sensor 16, the water level sensor 16 can transmit information into the controller 14, and then the controller 14 controls the buzzer 15 to make sounds for reminding workers.
It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;
the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents, and in other related technical fields, which are equally encompassed by the scope of the present utility model.