阅读说明：本技术 一种使用双组泡沫灭火剂的消防车 (Fire fighting truck using double-group foam extinguishing agent ) 是由 赵磊 李博 东靖飞 张全灵 崔献奎 陈萍 李红文 陆曦 李锁龙 冯梦 于 2021-03-19 设计创作，主要内容包括：本发明公开了一种使用双组泡沫灭火剂的消防车,包括车辆本体、第一泡沫罐、第二泡沫罐、水罐、管路、第一泡沫泵、第二泡沫泵、消防泵、空压机、泡沫枪和消防炮,所述出水管(42)通过分流器(43)分别与第一预混管(45)、第二预混管(47)连接,所述第一预混管(45)与第一泡沫泵(6)、第一泡沫管(21)连接,第二预混管(47)与第二泡沫泵(7)、第二泡沫管(31)连接,所述混合管(49)通过合流器(48)分别与第一预混管(45)、第二预混管(47)连接。本发明通过分流器使第一泡沫灭火剂、第二泡沫灭火剂分别与水预混,再通过合流器将两种泡沫灭火剂的预混液再混合,灭火剂与水混合比例控制精确,从而形成高稳定的双组分泡沫灭火剂,提高了灭火效率。(The invention discloses a fire fighting truck using double-group foam extinguishing agents, which comprises a vehicle body, a first foam tank, a second foam tank, a water tank, a pipeline, a first foam pump, a second foam pump, a fire pump, an air compressor, a foam gun and a fire monitor, wherein a water outlet pipe (42) is respectively connected with a first premixing pipe (45) and a second premixing pipe (47) through a flow divider (43), the first premixing pipe (45) is connected with a first foam pump (6) and a first foam pipe (21), the second premixing pipe (47) is connected with a second foam pump (7) and a second foam pipe (31), and a mixing pipe (49) is respectively connected with the first premixing pipe (45) and the second premixing pipe (47) through a flow combiner (48). According to the invention, the first foam extinguishing agent and the second foam extinguishing agent are respectively premixed with water through the flow divider, and then the premixed liquid of the two foam extinguishing agents is mixed through the flow combiner, so that the mixing ratio of the fire extinguishing agent and the water is accurately controlled, and thus the high-stability bi-component foam extinguishing agent is formed, and the fire extinguishing efficiency is improved.)

1. The utility model provides an use fire engine of two groups foam extinguishing agent, includes vehicle body, first foam tank, second foam tank, water pitcher, pipeline, first foam pump, second foam pump, fire pump, air compressor machine, foam gun and fire gun, its characterized in that: the pipeline comprises inlet tube (41), outlet pipe (42), shunt (43), first foam pipe (21), second foam pipe (31), first premix pipe (45), second premix pipe (47), converging ware (48), hybrid tube (49) and air pipe (91), outlet pipe (42) are connected with first premix pipe (45), second premix pipe (47) respectively through shunt (43), first premix pipe (45) are connected with first foam pump (6), first foam pipe (21), second premix pipe (47) are connected with second foam pump (7), second foam pipe (31), hybrid tube (49) are connected with first premix pipe (45), second premix pipe (47) respectively through converging ware (48).

2. A fire fighting vehicle using two-pack type foam extinguishing agent as set forth in claim 1, wherein: the flow divider (43) is composed of a valve body (431), a flow dividing sheet (432) and an adjusting rod (433), the valve body (431) is composed of a water inlet chamber (434), a left water outlet chamber (435) and a right water outlet chamber (436), the flow dividing sheet (432) is arranged in the water inlet chamber (434), the flow dividing sheet (432) is connected with the adjusting rod (433), and the adjusting rod (433) is connected with a manual rotating wheel or a motor.

3. A fire fighting vehicle using two sets of foam extinguishing agents, according to claim 1, wherein: the first premixing pipe (45) is provided with a first flowmeter (44), the second premixing pipe (47) is provided with a second flowmeter (46), the first flowmeter (44) is provided with a flow signal line to be connected with the first foam pump (6) and the flow divider (43), and the second flowmeter (46) is provided with a flow signal line to be connected with the second foam pump (7) and the flow divider (43).

4. A fire fighting vehicle using two sets of foam extinguishing agents, according to claim 3, wherein: the first foam pump and the second foam pump are plunger type metering pumps, and the first flow meter and the second flow meter are turbine flow meters.

5. A fire fighting vehicle using two sets of foam extinguishing agents, according to claim 1, wherein: the flow divider (43) is composed of a valve body (431), a valve core (437) and an adjusting rod (433), the valve core (437) is respectively arranged in a left water outlet chamber (435) and a right water outlet chamber (436), the valve core (437) is connected with the adjusting rod (433), the adjusting rod (433) is connected with a manual rotating wheel or a motor, the outer side of the valve core is a spherical surface, and a through hole is formed in the valve core.

Technical Field

The invention relates to a fire fighting truck using double-group foam extinguishing agent.

Background

In particular, a fire fighting vehicle, which is mainly used by a fire fighter to perform a fire countermeasure task, a two-component foam extinguishing agent, such as 2019113530352 (a general-purpose high-stability foam extinguishing agent), is currently available, and the two-component foam extinguishing agent is mixed with water to generate foam, and the foam is used to extinguish a fire. When the existing fire engine uses the double-component fire extinguishing agent, the control error of the mixing ratio of the fire extinguishing agent and water is large, the advantages of the double-component fire extinguishing agent cannot be fully exerted, and the fire extinguishing efficiency of the existing fire engine needs to be improved.

Disclosure of Invention

The invention aims to provide a fire fighting truck using double-component foam extinguishing agents, wherein a first foam extinguishing agent and a second foam extinguishing agent are respectively premixed with water through a flow divider, and then premixed liquid of the two foam extinguishing agents is mixed through a flow combiner, the mixing ratio of the fire extinguishing agents and the water is accurately controlled, the high-stability double-component foam extinguishing agents are formed, and the fire extinguishing efficiency is improved.

The fire fighting truck using the double-group foam extinguishing agent comprises a vehicle body, a first foam tank, a second foam tank, a water tank, a pipeline, a first foam pump, a second foam pump, a fire pump, an air compressor, a foam gun and a fire monitor, wherein the pipeline comprises a water inlet pipe, a water outlet pipe, a flow divider, a first foam pipe, a second foam pipe, a first premixing pipe, a second premixing pipe, a flow combiner, a mixing pipe and an air pipe, the water outlet pipe is respectively connected with the first premixing pipe and the second premixing pipe through the flow divider, the first premixing pipe is connected with the first foam pump and the first foam pipe, the second premixing pipe is connected with the second foam pump and the second foam pipe, and the mixing pipe is respectively connected with the first premixing pipe and the second premixing pipe through the flow combiner. The first foam extinguishing agent and the second foam extinguishing agent are respectively premixed with water and then mixed by a flow mixer to form a double-component foam mixed solution, and air can be mixed into a mixing pipe to improve the foaming times of the foam mixed solution.

As a further improvement of the technical scheme, the flow divider consists of a valve body, a flow dividing sheet and an adjusting rod, wherein the valve body consists of a water inlet chamber, a left water outlet chamber and a right water outlet chamber, the flow dividing sheet is arranged in the water inlet chamber, the flow dividing sheet is connected with the adjusting rod, and the adjusting rod is connected with a manual rotating wheel or a motor; the positions of the splitter plates are adjusted through rotation of the adjusting rods, and the flow rates of the left water outlet and the right water outlet are adjusted to be the same.

As a further improvement of the above technical solution, the first pre-mixing pipe is provided with a first flow meter, the second pre-mixing pipe is provided with a second flow meter, the first flow meter is provided with a flow signal line connected with the first foam pump and the flow divider, the second flow meter is provided with a flow signal line connected with the second foam pump and the flow divider, and the flow signal lines respectively provide water flow signals of the first pre-mixing pipe and the second pre-mixing pipe to the first foam pump, the second foam pump and the flow divider, and the flow signals are used for the foam pump to measure foam flow according to a set proportion on one hand and for the flow divider to adjust the water flow of the first pre-mixing pipe and the water flow of the second pre-mixing pipe to be the same on the other hand.

As a further improvement of the above technical solution, the first foam pump and the second foam pump are plunger type metering pumps, and the first flow meter and the second flow meter are turbine flow meters.

As a further improvement of the technical scheme, the flow divider is composed of a valve body, a valve core and an adjusting rod, wherein the valve core is arranged in the left water outlet chamber and the right water outlet chamber respectively, the valve core is connected with the adjusting rod, the adjusting rod is connected with a manual rotating wheel or a motor, the outer side of the valve core is a spherical surface, and a through hole is formed in the valve core. The valve core angle is rotated manually or by a motor, so that the flow rates of the first premixing pipe and the second premixing pipe can be adjusted to be the same.

Based on the technical scheme, the fire fighting truck with the double-component foam extinguishing agent has the advantages that the first foam extinguishing agent and the second foam extinguishing agent are respectively premixed with water through the flow divider, and then the premixed liquid of the two foam extinguishing agents is mixed through the flow combiner, so that the mixing ratio of the fire extinguishing agent and the water can be accurately controlled, the high-stability double-component foam extinguishing agent is formed, and the fire extinguishing efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the fire fighting truck of the present invention.

Fig. 2 is a schematic view of the fire engine plumbing connections shown in fig. 1.

Fig. 3 is a schematic view of the structure of the flow divider shown in fig. 1.

Figure 4 is another schematic view of the diverter of figure 1.

Wherein, 1, a vehicle body; 2. a first foam tank; 3. a second foam tank; 4. a water tank; 5. a pipeline; 6. a first foam pump; 7. a second foam pump; 8. a fire pump; 9. an air compressor; 10. a foam gun; 11. fire monitor; 21. a first foam tube; 31. a second foam tube; 41. a water inlet pipe; 42. a water outlet pipe; 43. a flow divider; 44. a first flow meter; 45. a first premix tube; 46. a second flow meter; 47. a second premix tube; 48. a flow combiner; 49. a mixing tube; 91. an air tube; 431. a valve body; 432. a splitter plate; 433. adjusting a rod; 434. a water inlet chamber; 435. a left water outlet chamber; 436. a right water outlet chamber; 437. a valve core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

As shown in fig. 1 and 2, the fire fighting truck using the double-pack foam extinguishing agent of the present invention includes a vehicle body 1, a first foam tank 2, a second foam tank 3, a water tank 4, a pipeline 5, a first foam pump 6, a second foam pump 7, a fire pump 8, an air compressor 9, a foam gun 10, and a fire monitor 11. The pipeline 5 is composed of a water inlet pipe 41, a water outlet pipe 42, a flow divider 43, a first foam pipe 21, a second foam pipe 31, a first premix pipe 45, a second premix pipe 47, a flow combiner 48, a mixing pipe 49 and an air pipe 91, wherein the water outlet pipe 42 is respectively connected with the first premix pipe 45 and the second premix pipe 47 through the flow divider 43, the first premix pipe 45 is connected with the first foam pump 6 and the first foam pipe 21, the second premix pipe 47 is connected with the second foam pump 7 and the second foam pipe 31, and the mixing pipe 49 is respectively connected with the first premix pipe 45 and the second premix pipe 47 through the flow combiner 48. The first premix tube 45 is provided with a first flow meter 44 and the second premix tube 47 is provided with a second flow meter 46. The pressurized water is premixed with the first foam extinguishing agent and the second foam extinguishing agent respectively through the flow divider 43, the two premixed liquids are mixed through the flow combiner 48 to form a two-component foam mixed liquid, and air can be mixed into the mixing pipe 49 to improve the foaming times of the foam mixed liquid. The foam gun 10 and the fire monitor 11 are connected with a mixing pipe 49, and the fire is extinguished by spraying the bi-component foam extinguishing agent.

As shown in fig. 3, the flow divider 43 is composed of a valve body 431, a flow dividing plate 432 and an adjusting rod 433, the valve body 431 is composed of a water inlet chamber 434, a left water outlet chamber 435 and a right water outlet chamber 436, the flow dividing plate 432 is arranged in the water inlet chamber 434, the flow dividing plate 432 is connected with the adjusting rod 433, and the adjusting rod 433 is connected with a manual rotating wheel or a motor. The positions of the splitter plates are adjusted by rotating the adjusting rod 433, and the flow rates of the left water outlet 435 and the right water outlet 436 are adjusted to be the same.

As shown in fig. 4, as another embodiment of the flow divider 43, the flow divider 43 is composed of a valve body 431, a valve core 437 and an adjusting rod 433, the valve core 437 is respectively disposed in the left water outlet chamber 435 and the right water outlet chamber 436, the valve core 437 is connected to the adjusting rod 433, the adjusting rod 433 is connected to a manual wheel or a motor, and the valve core is a spherical surface on the outer side and has a through hole in the inner side. The valve core angle can be rotated manually or by a motor, so that the flow rates of the first premixing pipe 45 and the second premixing pipe 47 can be adjusted to be the same.

The working process of the invention is as follows: the fire pump 8 pumps water from the water tank 4 through the water inlet pipe 41, pumps the water into the water outlet pipe 42, and adjusts the water flow into the first premix pipe 45 and the second premix pipe 47 through the flow divider 43 to be the same. The first premix pipe 45 is connected to the first foam pump 6 and the first foam pipe 21, and the first foam fire suppressant is pumped out of the first foam tank 2, metered and pumped into the first premix pipe 45 in a proportion, and mixed with the pressurized water in the first premix pipe 45; the second premix pipe 47 is connected to the second foam pump 7 and the second foam pipe 31, and the second foam fire suppressant is pumped out of the second foam tank 3, and is proportionally metered and pumped into the second premix pipe 47 to be mixed with the pressurized water in the second premix pipe 47. The first premix pipe 45 is provided with a first flow meter 44, the second premix pipe 47 is provided with a second flow meter 46, the first flow meter 44 is provided with a flow signal line to be connected with the first foam pump 6 and the flow divider 43, the second flow meter 46 is provided with a flow signal line to be connected with the second foam pump 7 and the flow divider 43 to respectively provide water flow signals of the first premix pipe 45 and the second premix pipe 47 to the first foam pump 6, the second foam pump 7 and the flow divider 43, the flow signals are used for measuring the foam flow according to a set proportion by the foam pump on one hand, and are used for adjusting the water flow of the first premix pipe 45 and the water flow of the second premix pipe 47 to be the same by the flow divider 43 on the other hand. The mixing pipe 49 is respectively connected with the first premixing pipe 45 and the second premixing pipe 47 through the flow mixer 48, the two foam extinguishing agents are respectively premixed with water and then mixed through the flow mixer 48 to form a bi-component foam mixed liquid, and air can be mixed into the mixing pipe 49 to improve the foaming times of the foam mixed liquid. The foam gun 10 and the fire monitor 11 are connected with a mixing pipe 49, and the fire is extinguished by spraying the bi-component foam extinguishing agent.

The beneficial effects of the invention adopting the technical scheme are as follows: the first foam extinguishing agent and the second foam extinguishing agent are respectively premixed with water through the flow divider, and then the premixed liquid of the two foam extinguishing agents is mixed through the flow combiner, so that the mixing ratio of the fire extinguishing agent and the water can be accurately controlled, the high-stability bi-component foam extinguishing agent is formed, and the fire extinguishing efficiency is improved.

The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.