Solidified foam spraying vehicle for forest fire prevention

Abstract

The utility model discloses a solidified foam spraying vehicle for forest fire prevention. An advancing mechanism is used for driving the whole spraying vehicle to move. The foam liquid stirring mechanism is a foam liquid stirring tank and is used for stirring foam liquid in the tank body; the powder stirring mechanism is a powder stirring tank and is used for stirring powder in the tank body; the mixing and stirring mechanism is a mixing and stirring tank and is used for mixing and stirring materials in the mixing and stirring tank to generate cured foam; therefore, the curing foam raw materials can be premixed in the advancing process, and fireproof operation can be conveniently and efficiently carried out after the curing foam raw materials reach the designated position. The spraying mechanism can adjust the angle of the spraying direction and adjust the height, so that the spraying requirements of different heights and different angles in the forest environment are met, produced solidified foam can be evenly attached to the surface of a forest object, and finally the fireproof effect is achieved.

Description

Technical Field

[0001] The utility model relates to a solidified foam spraying vehicle for forest fire prevention, belonging to the technical field of forest fire extinguishing. Background Art

[0002] As one of the eight major natural disasters in the world, forest fires seriously endanger the ecological security of forests. Forest fires are characterized by wide occurrence, strong suddenness, great destructiveness, and difficulty in handling and extinguishing. Solidified foam fire extinguishing agents have excellent thermal stability and mechanical durability, and do not need to rely on water sources when extinguishing fires on site, and can adapt to more fire environments. However, solidified foam fire extinguishing agents require multiple preparation processes. At present, the application of solidified foam fire extinguishing agents is all prepared in factories, transported to the fire site by tank trucks, and then connected to fire trucks or spray equipment by on-site personnel for fire prevention and extinguishing. This can easily delay the opportunity and expand the scope of fire hazards.

[0003] Based on the above-mentioned problems, how to provide a new solidifying foam fire extinguishing equipment that can quickly and efficiently prepare and transport solidifying foam fire extinguishing agent in the early stage of a fire, and immediately carry out spraying operations after reaching the fire location, so as to control the fire in the early stage of the fire and effectively improve the forest fire extinguishing effect, is the research direction of the present utility model. Summary of the invention

[0004] In view of the problems existing in the above-mentioned prior art, the utility model provides a solidifying foam spraying vehicle for forest fire prevention, which can quickly and efficiently prepare and transport solidifying foam fire extinguishing agent in the early stage of fire, and immediately carry out spraying operation after reaching the fire location, thereby controlling the fire and extinguishing the fire in the early stage, effectively improving the forest fire extinguishing effect.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a solidified foam spraying vehicle for forest fire prevention, comprising a foam liquid stirring mechanism, a powder stirring mechanism, a mixing stirring mechanism, a water pump, a spraying mechanism and a traveling mechanism;

[0006] The foam liquid stirring mechanism, powder stirring mechanism, mixing stirring mechanism, water pump, and spraying mechanism are all installed on the traveling mechanism, and the traveling mechanism is used to drive the entire spraying vehicle to move;

[0007] The foam liquid stirring mechanism is a foam liquid stirring tank, which is installed on the traveling mechanism at a certain angle to the horizontal plane, and a first stirring mechanism is provided in the foam liquid stirring tank for stirring the foam liquid in the tank body; the powder stirring mechanism is a powder stirring tank, which is installed on the traveling mechanism at a certain angle to the horizontal plane, and a second stirring mechanism is provided in the powder stirring tank for stirring the powder in the tank body; one end of the foam liquid stirring tank and the powder stirring tank are both equipped with motors, which are respectively used to drive the first stirring mechanism and the second stirring mechanism; the foam liquid stirring tank and the powder stirring tank are both provided with feeding funnels, which are respectively used to inject foam liquid into the foam liquid stirring tank and fill powder into the powder stirring tank;

[0008] The mixing and stirring mechanism is a mixing and stirring tank, which is installed on the traveling mechanism and is located between the foam liquid stirring tank and the powder stirring tank; the mixing and stirring tank is equipped with a stirring impeller for mixing and stirring the materials in the mixing and stirring tank to generate solidified foam; the mixing and stirring tank is connected to the foam liquid stirring tank and the powder stirring tank through a conveying pipeline, respectively, for conveying the materials in the foam liquid stirring tank and the powder stirring tank to the mixing and stirring tank;

[0009] The spraying mechanism includes a rotating disc, a lifting device, a fixed seat and a nozzle. The rotating disc is installed on the traveling mechanism and can rotate freely and is positioned by a locking piece. The lifting device is installed on the upper part of the rotating disc and is used to adjust the height in the vertical direction. The fixed seat is fixed on the upper part of the lifting device, and the nozzle is installed on the fixed seat through a rotating shaft so that the nozzle can rotate relative to the fixed seat and be positioned by a limit piece. The inlet and outlet of the water pump are respectively connected to the mixing and stirring mechanism and the nozzle through water pipes, so as to transport the generated solidified foam to the nozzle for spraying.

[0010] Furthermore, the travel mechanism includes a chassis, a drive system and two crawlers; the drive system includes a front drive mechanism and a rear drive mechanism, the front drive mechanism includes a front drive device and two three-leaf centrally symmetrical drive wheels, the front drive device is installed on the lower part of the chassis through a shock absorber; the two three-leaf centrally symmetrical drive wheels are respectively located on both sides of the chassis, and the front drive device is coaxially connected to the two three-leaf centrally symmetrical drive wheels through a front drive shaft, and when the front drive device rotates, the two three-leaf centrally symmetrical drive wheels can be driven to rotate synchronously through the front drive shaft; the three-leaf centrally symmetrical drive wheel includes a central wheel disc and three wheel arms, one end of the three wheel arms are fixedly connected to the circumferential surface of the central wheel disc, and the three wheel arms are in the same plane and relative to each other. The angles between them are equal; the other ends of the three wheel arms are equipped with wheels, which can rotate freely relative to the other ends of the wheel arms; the rear drive mechanism includes a rear drive device and two rear drive wheels, and the rear drive device is installed at the lower part of the chassis through a shock absorber; the two rear drive wheels are respectively located on both sides of the chassis, and the rear drive device is coaxially connected to the two rear drive wheels through the rear drive shaft. When the rear drive device rotates, the two rear drive wheels can be driven to rotate synchronously through the rear drive shaft; when the traveling mechanism moves as a whole, the two crawlers are respectively wrapped around the three-leaf central symmetrical drive wheel and the rear drive wheel installed on each side of the chassis, and the rear drive wheel can drive the crawlers to move when it rotates; the front drive device and the rear drive device are both engines. The traveling mechanism of this structure can ensure the mobility of the entire spray truck on the complex terrain of the forest, so that it can reach the required fire extinguishing position smoothly and quickly.

[0011] Furthermore, the foam liquid stirring tank and the powder stirring tank are respectively mounted on the traveling mechanism through brackets, and the angle between the foam liquid stirring tank and the powder stirring tank and the horizontal plane is 10°; the bottom of the mixing stirring tank is lower than the lowest end of the foam liquid stirring tank and the powder stirring tank. This arrangement can ensure that the foam liquid and powder stirred in the foam liquid stirring tank and the powder stirring tank can enter the mixing stirring tank smoothly under the action of gravity for subsequent mixing.

[0012] Furthermore, the first stirring mechanism comprises a first stirring shaft, the first stirring shaft is coaxially arranged with the axis of the foam liquid stirring tank, and the first stirring shaft is equipped with a spiral stirring blade and a paddle impeller; the second stirring mechanism comprises a second stirring shaft, the second stirring shaft is coaxially arranged with the axis of the powder stirring tank, and the first stirring shaft is equipped with a spiral stirring blade. This structure ensures the uniformity of stirring of the foam liquid and the powder in their respective tanks.

[0013] Furthermore, flow meters and valves are installed on the conveying pipelines between the mixing and stirring tank and the foam liquid stirring tank and the powder stirring tank respectively. The flow meter is used to monitor the material flow rate flowing through the conveying pipeline, and the valve is used to control the on-off of the conveying pipeline.

[0014] Furthermore, the lifting device is a telescopic rod. This structure is convenient for adjusting the height of the nozzle.

[0015] Furthermore, the blades of the stirring impeller are hole-type blades. This structure can make the solidified foam generated by mixing and stirring more uniform.

[0016] Compared with the prior art, the utility model adopts a combination of a foam liquid stirring mechanism, a powder stirring mechanism, a mixing stirring mechanism, a water pump, a spraying mechanism and a traveling mechanism, and has the following advantages:

[0017] 1. The utility model adopts a foam stirring tank and a powder stirring tank to pre-mix the foam stock solution and the powder during the travel process. When arriving at the designated position, the mixed foam stock solution and the powder are transported to the mixing stirring tank. The mixing stirring tank ensures that the powder and the foam stock solution can be fully stirred in the field environment to generate solidified foam, so that the utility model can pre-mix the solidified foam raw materials during the travel process, so that fire prevention operations can be carried out conveniently and efficiently after arriving at the designated position.

[0018] 2. The utility model adopts a water pump to pressurize the input into the spraying mechanism for spraying. The spraying direction and angle are adjusted by rotating the nozzle relative to the fixed seat and the horizontal rotation of the rotating disk in the spraying mechanism. At the same time, the lifting device can drive the nozzle to rise and fall for height adjustment. In this way, the nozzle can cover a maximum area of ​​540° to meet the spraying needs of different heights and angles in the forest environment, so that the produced solidified foam can be evenly attached to the surface of forest objects, ultimately achieving a fire prevention effect.

[0019] 3. The utility model can adopt the existing traveling mechanism or the improved traveling mechanism. The driving mechanism of the improved traveling mechanism includes a three-blade central symmetrical driving wheel, a rear driving wheel and a crawler track. This arrangement moves the center of gravity of the chassis forward, so that the whole vehicle can maintain good stability of the chassis. The driving mechanism is triangular, has a large contact surface with the ground, a stable structure, and good passability and maneuverability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a top view schematic diagram of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the stirring impeller in the utility model;

[0023] Figure 4 It is a structural schematic diagram of the first stirring mechanism in the utility model;

[0024] Figure 5 It is a structural schematic diagram of the second stirring mechanism in the utility model;

[0025] Figure 6 It is a schematic diagram of the structure of an improved traveling mechanism of the utility model.

[0026] In the figure: 1-motor, 2-powder mixing tank, 3-feeding funnel, 4-sprinkler, 5-fixed seat, 6-lifting device, 7-rotating disc, 8-track, 9-foam liquid mixing tank, 10-shock absorption device, 11-mixing mixing tank, 12-bracket, 13-mixing impeller, 14-transportation pipeline, 15-valve, 16-water pipe, 17-water pump, 18-hole blade, 19-spiral mixing blade, 20-paddle impeller, 21-rear driving wheel, 22-three-leaf central symmetrical driving wheel, 23-driving motor, 24-base frame. DETAILED DESCRIPTION

[0027] The utility model will be further described below.

[0028] like Figure 1 and 2 As shown, the utility model includes a foam liquid stirring mechanism, a powder stirring mechanism, a mixing stirring mechanism, a water pump 17, a spraying mechanism and a traveling mechanism;

[0029] The foam liquid stirring mechanism, powder stirring mechanism, mixing stirring mechanism, water pump 17 and injection mechanism are all installed on the traveling mechanism, and the traveling mechanism is used to drive the entire injection vehicle to move; the traveling mechanism can adopt the existing general traveling mechanism to realize the movement of the whole vehicle.

[0030] The foam liquid stirring mechanism is a foam liquid stirring tank 9, which is installed on the traveling mechanism at a certain angle to the horizontal plane, and a first stirring mechanism is provided in the foam liquid stirring tank 9 for stirring the foam liquid in the tank body; the powder stirring mechanism is a powder stirring tank 2, which is installed on the traveling mechanism at a certain angle to the horizontal plane, and a second stirring mechanism is provided in the powder stirring tank 2 for stirring the powder in the tank body; one end of the foam liquid stirring tank 9 and the powder stirring tank 2 are both equipped with motors, which are respectively used to drive the first stirring mechanism and the second stirring mechanism; the foam liquid stirring tank 9 and the powder stirring tank 2 are both provided with feeding funnels 3, which are respectively used to inject foam liquid into the foam liquid stirring tank 9 and fill powder into the powder stirring tank 2;

[0031] The mixing and stirring mechanism is a mixing and stirring tank 11, which is installed on the traveling mechanism and is located between the foam liquid stirring tank 9 and the powder stirring tank 2; Figure 3As shown, the mixing and stirring tank 11 is equipped with a stirring impeller 13 for mixing and stirring the materials in the mixing and stirring tank 11 to generate solidified foam; the mixing and stirring tank 11 is connected to the foam liquid stirring tank 9 and the powder stirring tank 2 through conveying pipelines, respectively, for conveying the materials in the foam liquid stirring tank 9 and the powder stirring tank 2 to the mixing and stirring tank 11; the conveying pipelines 14 between the mixing and stirring tank 11 and the foam liquid stirring tank 9 and the powder stirring tank 2 are respectively equipped with flow meters and valves 15, the flow meters are used to monitor the material flow rate flowing through the conveying pipeline 14, and the valves 15 are used to control the on-off of the conveying pipeline 14; Figure 4 As shown, the first stirring mechanism includes a first stirring shaft, which is coaxially arranged with the axis of the foam liquid stirring tank 9, and is equipped with a spiral stirring blade 19 and a paddle impeller 20; Figure 5 As shown, the second stirring mechanism includes a second stirring shaft, which is coaxially arranged with the axis of the powder stirring tank 2, and a spiral stirring blade 19 is installed on the first stirring shaft. This structure ensures the uniformity of the stirring of the foam liquid and the powder in each tank. The blades of the stirring impeller 13 are hole-type blades 18. This structure can make the solidified foam generated by mixing and stirring more uniform.

[0032] The spraying mechanism includes a rotating disc 7, a lifting device 6, a fixed seat 5 and a nozzle 4. The rotating disc 7 is mounted on the traveling mechanism and can rotate freely and is positioned by a locking member; the lifting device 6 is mounted on the upper part of the rotating disc 7 and is used to adjust the height in the vertical direction; the fixed seat 5 is fixed on the upper part of the lifting device 6, and the nozzle 4 is mounted on the fixed seat 5 through a rotating shaft, so that the nozzle 4 can rotate relative to the fixed seat 5 and is positioned by a limiter; the inlet and outlet of the water pump 17 are respectively connected to the mixing mechanism and the nozzle 4 through a water pipe 16, so as to transport the generated solidified foam to the nozzle 4 for spraying; the lifting device 6 is a telescopic rod. This structure facilitates the adjustment of the height of the nozzle 4. The above-mentioned limiters and locking members are all existing components such as locking bolts and limit pins.

[0033] As an improvement of the present invention, when traveling in a forest with complex terrain, the following traveling mechanism can be used: Figure 6As shown, it includes a chassis 24, a driving system and two crawlers 8; the driving system includes a front driving mechanism and a rear driving mechanism, the front driving mechanism includes a front driving device and two three-leaf centrally symmetrical driving wheels 22, the front driving device is installed at the lower part of the chassis 24 through a shock absorbing device 10; the two three-leaf centrally symmetrical driving wheels 22 are respectively located on both sides of the chassis 24, and the front driving device is coaxially connected to the two three-leaf centrally symmetrical driving wheels 22 through a front driving shaft, when the front driving device rotates, the two three-leaf centrally symmetrical driving wheels 22 can be driven to rotate synchronously through the front driving shaft; the three-leaf centrally symmetrical driving wheel 22 includes a central wheel disc and three wheel arms, one end of the three wheel arms are fixedly connected to the circumferential surface of the central wheel disc, the three wheel arms are in the same plane and the angles between them are equal; the other ends of the three wheel arms are It is equipped with wheels, which can rotate freely relative to the other end of the wheel arm; the rear drive mechanism includes a rear drive device and two rear drive wheels 21, and the rear drive device is installed on the lower part of the chassis 24 through a shock absorber 10; the two rear drive wheels 21 are respectively located on both sides of the chassis 24, and the rear drive device is coaxially connected to the two rear drive wheels 21 through rear drive shafts, and when the rear drive device rotates, the two rear drive wheels 21 can be driven to rotate synchronously through the rear drive shaft; when the traveling mechanism moves as a whole, the two crawlers 8 are respectively wrapped around the three-leaf centrally symmetrical drive wheel 22 and the rear drive wheel 21 installed on each side of the chassis 24, and the rear drive wheel 21 can drive the crawlers 8 to move when it rotates; the front drive device and the rear drive device are both drive motors 23, and a battery pack is provided in the chassis 24 to supply energy to the front drive device and the rear drive device. The traveling mechanism of this structure can ensure the mobility of the entire spray vehicle on the complex terrain of the forest, so that it can reach the required fire extinguishing position smoothly and quickly. The specific traveling process is: according to the situation of obstacles in the complex terrain ahead, first control the front drive device to rotate and then drive the two three-leaf centrally symmetrical drive wheels 22 to rotate synchronously through the front drive shaft, adjust the angle between the crawler track and the ground, and stop the front drive device after reaching the required angle; then control the rear drive device to rotate to drive the two rear drive wheels 21 to rotate synchronously, and then drive the crawler track 8 to move, so as to realize the travel of the utility model on complex terrain.

[0034] As another improvement of the utility model, the foam liquid stirring tank 9 and the powder stirring tank 2 are respectively mounted on the traveling mechanism through the bracket 12, and the angle between the foam liquid stirring tank 9 and the powder stirring tank 2 and the horizontal plane is 10°; the bottom of the mixing stirring tank 11 is lower than the lowest end of the foam liquid stirring tank 9 and the powder stirring tank 2. This arrangement can ensure that the foam liquid and powder stirred by the foam liquid stirring tank 9 and the powder stirring tank 2 can smoothly enter the mixing stirring tank 11 under the action of gravity for subsequent mixing.

[0035] The solidified foam fire extinguishing agent is a mixture of foam stock solution, surfactant powder and foaming agent powder. When a forest fire occurs, the materials required for the foam stock solution are first injected into the foam liquid mixing tank 9, and the powder material is poured into the powder mixing tank 2. The first stirring mechanism and the second stirring mechanism are started to stir the respective tanks respectively, so that the foam stock solution and the powder are pre-mixed during the travel process. At the same time, the travel mechanism is started to drive the whole vehicle to move. After reaching the designated fire protection area, the valve 15 is opened, and the material ratio is controlled by the flow meter. The foam stock solution and the powder are transported to the mixing and stirring tank 11, and the stirring impeller 13 inside the mixing and stirring tank 11 starts to rotate, so as to efficiently prepare the solidified foam agent.

[0036] After the solidifying foam agent is prepared, the rotating disk 7 is rotated horizontally and the nozzle 4 is rotated vertically relative to the fixed seat 5 to adjust the spraying direction of the nozzle 4 to the desired position, and then the water pump 17 is turned on to allow the prepared solidifying foam to be pressurized by the water pump 17 from the mixing tank 11 and then sprayed from the nozzle 4 to the surface of the unburned vegetation to form a fire-proof isolation zone. If the vegetation in the fire prevention area is tall, the height of the lifting device 6 can be adjusted to raise the nozzle 4 to meet the coverage conditions. If the vegetation in the fire prevention area is short, the lifting device 6 can be adjusted to lower the nozzle 4 to meet the coverage conditions, effectively cover the unburned area around the fire, establish a fire-proof isolation zone, prevent the flame from spreading, and achieve the purpose of fire prevention.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A solidifying foam spraying vehicle for forest fire prevention, characterized in that: It includes a foam liquid stirring mechanism, a powder stirring mechanism, a mixing stirring mechanism, a water pump, a spraying mechanism and a traveling mechanism; The foam liquid stirring mechanism, powder stirring mechanism, mixing stirring mechanism, water pump, and spraying mechanism are all installed on the traveling mechanism, and the traveling mechanism is used to drive the entire spraying vehicle to move; The foam liquid stirring mechanism is a foam liquid stirring tank, which is installed on the traveling mechanism at a certain angle to the horizontal plane, and a first stirring mechanism is provided in the foam liquid stirring tank for stirring the foam liquid in the tank body; the powder stirring mechanism is a powder stirring tank, which is installed on the traveling mechanism at a certain angle to the horizontal plane, and a second stirring mechanism is provided in the powder stirring tank for stirring the powder in the tank body; one end of the foam liquid stirring tank and the powder stirring tank are both equipped with motors, which are respectively used to drive the first stirring mechanism and the second stirring mechanism; the foam liquid stirring tank and the powder stirring tank are both provided with feeding funnels, which are respectively used to inject foam liquid into the foam liquid stirring tank and fill powder into the powder stirring tank; The mixing and stirring mechanism is a mixing and stirring tank, which is installed on the traveling mechanism and is located between the foam liquid stirring tank and the powder stirring tank; the mixing and stirring tank is equipped with a stirring impeller for mixing and stirring the materials in the mixing and stirring tank to generate solidified foam; the mixing and stirring tank is connected to the foam liquid stirring tank and the powder stirring tank through a conveying pipeline, respectively, for conveying the materials in the foam liquid stirring tank and the powder stirring tank to the mixing and stirring tank; The spraying mechanism includes a rotating disc, a lifting device, a fixed seat and a nozzle. The rotating disc is installed on the traveling mechanism and can rotate freely and is positioned by a locking piece. The lifting device is installed on the upper part of the rotating disc and is used to adjust the height in the vertical direction. The fixed seat is fixed on the upper part of the lifting device, and the nozzle is installed on the fixed seat through a rotating shaft so that the nozzle can rotate relative to the fixed seat and be positioned by a limit piece. The inlet and outlet of the water pump are respectively connected to the mixing and stirring mechanism and the nozzle through water pipes, so as to transport the generated solidified foam to the nozzle for spraying.

2. The solidifying foam spraying vehicle for forest fire prevention according to claim 1, characterized in that: The travel mechanism includes a chassis, a drive system and two crawlers; the drive system includes a front drive mechanism and a rear drive mechanism, the front drive mechanism includes a front drive device and two three-leaf centrally symmetrical drive wheels, the front drive device is installed at the lower part of the chassis through a shock absorber; the two three-leaf centrally symmetrical drive wheels are respectively located on both sides of the chassis, and the front drive device is coaxially connected to the two three-leaf centrally symmetrical drive wheels through a front drive shaft, and when the front drive device rotates, the two three-leaf centrally symmetrical drive wheels can be driven to rotate synchronously through the front drive shaft; the three-leaf centrally symmetrical drive wheel includes a central wheel disc and three wheel arms, one end of the three wheel arms are fixedly connected to the circumferential surface of the central wheel disc, and the three wheel arms are in the same plane and relative to each other. The angles between them are equal; the other ends of the three wheel arms are equipped with wheels, and the wheels can rotate freely relative to the other ends of the wheel arms; the rear drive mechanism includes a rear drive device and two rear drive wheels, and the rear drive device is installed on the lower part of the chassis through a shock absorber; the two rear drive wheels are respectively located on both sides of the chassis, and the rear drive device is coaxially connected to the two rear drive wheels through the rear drive shaft, and when the rear drive device rotates, the two rear drive wheels can be driven to rotate synchronously through the rear drive shaft; when the traveling mechanism moves as a whole, the two crawlers are respectively wrapped around the three-leaf central symmetrical drive wheel and the rear drive wheel installed on each side of the chassis, and the rear drive wheel can drive the crawlers to move when it rotates; the front drive device and the rear drive device are both engines.

3. The solidifying foam spraying vehicle for forest fire prevention according to claim 1, characterized in that: The foam liquid stirring tank and the powder stirring tank are respectively mounted on the traveling mechanism through brackets, and the angle between the foam liquid stirring tank and the powder stirring tank and the horizontal plane is 10°; the bottom of the mixing stirring tank is lower than the lowest end of the foam liquid stirring tank and the powder stirring tank.

4. The solidifying foam spraying vehicle for forest fire prevention according to claim 1, characterized in that: The first stirring mechanism includes a first stirring shaft, which is coaxially arranged with the axis of the foam liquid stirring tank, and is equipped with a spiral stirring blade and a paddle impeller; the second stirring mechanism includes a second stirring shaft, which is coaxially arranged with the axis of the powder stirring tank, and is equipped with a spiral stirring blade.

5. The solidifying foam spraying vehicle for forest fire prevention according to claim 1, characterized in that: Flow meters and valves are installed on the conveying pipelines between the mixing and stirring tank and the foam liquid stirring tank and the powder stirring tank respectively. The flow meter is used to monitor the material flow rate flowing through the conveying pipeline, and the valve is used to control the on-off of the conveying pipeline.

6. The solidifying foam spraying vehicle for forest fire prevention according to claim 1, characterized in that: The lifting device is a telescopic rod.

7. The solidifying foam spraying vehicle for forest fire prevention according to claim 1, characterized in that: The blades of the stirring impeller are hole-type blades.

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