Fire fighting system with multiple liquid outlet modes and fire fighting truck

Abstract

The utility model discloses a fire fighting system with multiple liquid outlet modes and a fire fighting truck, and relates to the technical field of fire fighting equipment. The fire extinguishing system comprises a first foam tank, a second foam tank, a water tank and an air compressor. The first foam tank is connected with the mixing pipeline through a foam pump. The water tank is connected with the mixing pipeline. And the air compressor is connected with the mixing pipeline. A first liquid outlet is formed in one end of the mixing pipeline. Foam liquid in the second foam tank and water in the water tank can be mixed through the mixer, and are discharged through a second liquid outlet in one end of a pipeline connected with the mixer, or enter the mixing pipeline to be discharged from the first liquid outlet. The water tank is further connected with the third liquid outlet through a fire pump. The fire fighting truck comprises the fire fighting system. According to the utility model, various liquid outlet modes can be realized, different types of fire scenes can be handled, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting equipment, and in particular to a fire-fighting system and a fire-fighting truck with multiple liquid discharge modes. Background Art

[0002] The main equipment of the foam fire truck is fire pump, water tank, foam mixing system, foam gun, cannon and other fire fighting equipment, which can independently put out fires. It is especially suitable for putting out oil fires such as petroleum, and can also supply water and foam mixture to the fire scene. It is an essential equipment for petrochemical enterprises, oil terminals, airports and urban professional fire fighting.

[0003] The inventors have found through research that the existing fire trucks have a single liquid discharge mode and are unable to cope with different types of fire scenes. Utility Model Content

[0004] The purpose of the utility model is to provide a fire fighting system and a fire fighting vehicle with multiple liquid discharge modes, which can realize multiple liquid discharge modes, cope with different types of fire scenes, and have a wide range of applications.

[0005] The embodiment of the utility model is achieved as follows:

[0006] In a first aspect, the utility model provides a fire-fighting system with multiple liquid outlet modes, including a first foam tank, a second foam tank, a water tank and an air compressor, wherein the first foam tank is connected to a mixing pipe through a foam pump, the water tank is connected to the mixing pipe, the air compressor is connected to the mixing pipe, and a first liquid outlet is provided at one end of the mixing pipe; the foam liquid of the second foam tank and the water of the water tank can be mixed through a mixer and discharged through a second liquid outlet at one end of a pipe connected to the mixer, or enter the mixing pipe and be discharged from the first liquid outlet; the water tank is also connected to a third liquid outlet through a fire pump.

[0007] In an optional embodiment, the water tank is connected to a fire pump via a first pipe, and is connected to a second pipe via the fire pump, the second foam tank is selectively connected to the first pipe via a mixer, a branch of the second pipe is connected to the mixing pipe, a second liquid outlet is provided at one end of the second pipe, another branch is provided on the second pipe and is connected to a third pipe, and a third liquid outlet is provided at one end of the third pipe.

[0008] In an optional embodiment, the air compressor is transmission-connected to a hydraulic pump, and the hydraulic pump is transmission-connected to a first power take-off.

[0009] In an optional embodiment, the fire pump is transmission-connected to the second power take-off.

[0010] In an optional embodiment, a first foam valve is provided between the first foam tank and the foam pump, and a second foam valve is provided between the second foam tank and the mixer.

[0011] In an optional embodiment, the fire pump includes a high-pressure area and a low-pressure area, the first pipeline and the second pipeline are connected through the normal-pressure area, and the third pipeline is connected to the third liquid outlet through the high-pressure area.

[0012] In an optional embodiment, the second pipe is selectively connected to the ejection end of the mixer through a fourth pipe.

[0013] In an optional embodiment, an ejection valve is provided on the fourth pipeline.

[0014] In an optional embodiment, a flow meter is provided on the mixing pipe.

[0015] In a second aspect, the utility model provides a fire truck, comprising a fire fighting system with multiple liquid discharge modes as described in any one of the aforementioned embodiments.

[0016] The beneficial effects of the embodiments of the utility model are:

[0017] The utility model includes a first foam tank, a second foam tank, a water tank and an air compressor. The first foam tank is connected to a mixing pipe through a foam pump. The water tank is connected to the mixing pipe. The air compressor is connected to the mixing pipe. A first liquid outlet is provided at one end of the mixing pipe. The foam liquid of the second foam tank and the water of the water tank can be mixed through a mixer and discharged through a second liquid outlet at one end of a pipe connected to the mixer, or enter the mixing pipe and are discharged from the first liquid outlet. The water tank is also connected to a third liquid outlet through a fire pump.

[0018] When the fire fighting system is in the first liquid discharge mode, the foam liquid of the first foam tank, the water in the water tank and the compressed air can be mixed in the mixing pipe and discharged from the first liquid outlet; when the fire fighting system is in the second liquid discharge mode, the foam liquid of the second foam tank and the water in the water tank can be directly discharged from the second liquid outlet, or enter the mixing pipe to mix with the compressed air and discharged from the first liquid outlet; when the fire fighting system is in the third liquid discharge mode, the water in the water tank can be discharged from the third liquid outlet. The utility model can realize multiple liquid discharge modes to cope with different types of fire scenes and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic structural diagram of a fire protection system with multiple liquid discharge modes provided in an embodiment of the utility model.

[0021] Icons: 100-firefighting system; 10-engine; 11-first power take-off; 12-second power take-off; 13-hydraulic pump; 14-air compressor; 20-water tank; 21-first foam tank; 22-second foam tank; 23-first foam valve; 24-second foam valve; 30-foam pump; 31-fire pump; 311-normal pressure area; 312-high pressure area; 40-mixing pipeline; 401-electric ball valve; 402-flow meter; 41-first pipeline; 42-second pipeline; 43-third pipeline; 431-high pressure liquid outlet valve; 44-fourth pipeline; 45-first liquid outlet; 46-second liquid outlet; 47-third liquid outlet; 50-mixer; 51-injection valve. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0025] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0026] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Please refer to Figure 1 The present embodiment provides a fire fighting system 100 of a fire truck with multiple liquid outlet modes, which includes a first foam tank 21, a second foam tank 22, a water tank 20 and an air compressor 14. The first foam tank 21 is connected to a mixing pipe 40 through a foam pump 30. The water tank 20 is connected to the mixing pipe 40. The air compressor 14 is connected to the mixing pipe 40. A first liquid outlet 45 is provided at one end of the mixing pipe 40. The foam liquid of the second foam tank 22 and the water of the water tank 20 can be mixed through a mixer 50, and discharged through a second liquid outlet 46 at one end of a pipe connected to the mixer 50, or enter the mixing pipe 40 and be discharged from the first liquid outlet 45. The water tank 20 is also connected to a third liquid outlet 47 through a fire pump 31.

[0029] Specifically, the water tank 20 is connected to the fire pump 31 through the first pipe 41, and is connected to the second pipe 42 through the fire pump 31. The second foam tank 22 is selectively connected to the first pipe 41 through the mixer 50. A branch of the second pipe 42 is connected to the mixing pipe 40. A second liquid outlet 46 is provided at one end of the second pipe 42. Another branch is provided on the second pipe 42 to connect to the third pipe 43. A third liquid outlet 47 is provided at one end of the third pipe 43.

[0030] It can be understood that, in this embodiment, the first foam tank 21 contains Class A foam liquid, and the second foam tank 22 contains Class B foam liquid. When the fire fighting system 100 is in the first liquid discharge mode, the Class A foam liquid, the water in the water tank 20 and the compressed air can be mixed in the mixing pipe 40 and discharged from the first liquid outlet 45; when the fire fighting system 100 is in the second liquid discharge mode, the Class B foam liquid and the water in the water tank 20 can be directly discharged from the second liquid outlet 46, or enter the mixing pipe 40 to mix with the compressed air and discharged from the first liquid outlet 45; when the fire fighting system 100 is in the third liquid discharge mode, the water in the water tank 20 can be discharged from the third liquid outlet 47.

[0031] It can be understood that, in this embodiment, when the type A foam liquid or the type B foam liquid is discharged from the first liquid outlet 45 through the mixing pipe 40, it can be mixed with compressed air.

[0032] In this embodiment, an electric ball valve 401 and a flow meter 402 are provided on the mixing pipeline 40 to control the flow at the mixing pipeline 40 and select the liquid outlet mode.

[0033] In order to drive the air compressor 14 , in this embodiment, the air compressor 14 is transmission-connected to the hydraulic pump 13 . The hydraulic pump 13 is transmission-connected to the first power take-off 11 .

[0034] In order to drive the fire pump 31 , in the present embodiment, the fire pump 31 is transmission-connected to the second power take-off 12 .

[0035] Optionally, in this embodiment, the first power take-off 11 and the second power take-off 12 are both transmission-connected to the engine 10 of the fire truck.

[0036] Specifically, in this embodiment, a first foam valve 23 is provided between the first foam tank 21 and the foam pump 30. A second foam valve 24 is provided between the second foam tank 22 and the mixer 50 for controlling the liquid discharge mode.

[0037] Further, in this embodiment, the second pipe 42 is selectively connected to the ejection end inlet of the mixer 50 through the fourth pipe 44. It can be understood that the mixer 50 includes a first inlet, an ejection end inlet and a mixing outlet. The first inlet is connected to the second foam tank 22, and the mixing outlet is connected to the first pipe 41. The ejection end inlet is used to introduce a high-pressure fluid to eject the low-pressure fluid input from the first inlet. Specifically, an ejection valve 51 is provided on the fourth pipe 44.

[0038] Optionally, in this embodiment, the ejection end inlet is connected to the second pipe 42 through the fourth pipe 44, and the liquid in the second pipe 42 pressurized by the fire pump 31 is used as the ejection end fluid. In other embodiments, the ejection end inlet can be connected to an external high-pressure fluid source, which is not limited by the present invention.

[0039] Furthermore, the fire pump 31 includes a high pressure area 312 and a normal pressure area 311. The first pipeline 41 and the second pipeline 42 are connected through the normal pressure area 311. The third pipeline 43 is connected to the third liquid outlet 47 through the high pressure area 312.

[0040] The working principle and process of the fire fighting system 100 with multiple liquid discharge modes of the fire fighting vehicle provided by the utility model are as follows:

[0041] When the fire protection system 100 is in the first liquid outlet mode, the engine 10 drives the first power take-off 11 and the second power take-off 12. The first power take-off 11 drives the hydraulic pump 13 to work, thereby driving the air compressor 14 to generate compressed air. The compressed air enters the mixing pipe 40 along the pipeline. The second power take-off 12 drives the fire pump 31 to work, so that the water in the water tank 20 enters the mixing pipe 40 along the pipeline after being pressurized by the fire pump 31. At this time, the first foam valve 23 and the electric ball valve 401 are opened, and the second foam valve 24 is closed. The Class A foam liquid in the first foam tank 21 enters the mixing pipe 40 along the pipeline through the foam pump 30, and after being mixed with the water in the water tank 20 and the compressed air, it is sprayed out from the first liquid outlet 45 to extinguish the fire.

[0042] When the fire fighting system 100 is in the second liquid outlet mode, the engine 10 drives the first power take-off 11 and the second power take-off 12, at which time the first foam valve 23 and the electric ball valve 401 are closed, and the second foam valve 24 and the foam ejection valve 51 are opened. Under the action of the mixer 50, the Class B foam liquid in the second foam tank 22 enters the first pipe 41 along the pipe to mix with water, and then after being pressurized by the fire pump 31, it can be directly sprayed out from the second liquid outlet 46 to extinguish the fire; after the Class B foam liquid is mixed with the water in the water tank 20, it can also enter the second pipe 42 and enter the mixing pipe 40 from the branch of the second pipe 42 to mix with the compressed air, and then sprayed out from the first liquid outlet 45 to extinguish the fire.

[0043] When the fire protection system 100 is in the third liquid outlet mode, high-pressure water outlet or normal-pressure water outlet can be selected. When using the high-pressure water outlet mode, it is only necessary to start the second power take-off 12, close the first foam valve 23 and the second foam valve 24, and open the high-pressure liquid outlet valve 431. The water in the water tank 20 passes through the high-pressure area 312 of the fire pump 31 through the third pipe 43 and is ejected from the third liquid outlet 47; when using the normal-pressure water outlet mode, start the second power take-off 12, close the first foam valve 23, the second foam valve 24 and the high-pressure liquid outlet valve 431, and the water in the water tank 20 passes through the normal-pressure area 311 of the fire pump 31 through the second pipe 42 and is discharged from the second liquid outlet 46.

[0044] The fire fighting system 100 with multiple liquid discharge modes for a fire fighting vehicle provided by the utility model has the following beneficial effects:

[0045] The utility model includes a first foam tank 21, a second foam tank 22, a water tank 20 and an air compressor 14. The first foam tank 21 is connected to a mixing pipe 40 through a foam pump 30. The water tank 20 is connected to the mixing pipe 40. The air compressor 14 is connected to the mixing pipe 40. A first liquid outlet 45 is provided at one end of the mixing pipe 40. The foam liquid of the second foam tank 22 and the water of the water tank 20 can be mixed through a mixer 50, and discharged through a second liquid outlet 46 at one end of a pipe connected to the mixer 50, or enter the mixing pipe 40 and be discharged from the first liquid outlet 45. The water tank 20 is also connected to a third liquid outlet 47 through a fire pump 31.

[0046] When the fire fighting system 100 is in the first liquid discharge mode, the foam liquid in the first foam tank 21, the water in the water tank 20 and the compressed air can be mixed in the mixing pipe 40 and discharged from the first liquid outlet 45; when the fire fighting system 100 is in the second liquid discharge mode, the foam liquid in the second foam tank 22 and the water in the water tank 20 can be directly discharged from the second liquid outlet 46, or enter the mixing pipe 40 to mix with the compressed air and discharged from the first liquid outlet 45; when the fire fighting system 100 is in the third liquid discharge mode, the water in the water tank 20 can be discharged from the third liquid outlet 47. The utility model can realize multiple liquid discharge modes to cope with different types of fire scenes and has a wide range of applications.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fire fighting system with multiple liquid discharge modes, characterized in that: It includes a first foam tank, a second foam tank, a water tank and an air compressor, the first foam tank is connected to a mixing pipe through a foam pump, the water tank is connected to the mixing pipe, the air compressor is connected to the mixing pipe, and a first liquid outlet is provided at one end of the mixing pipe; the foam liquid of the second foam tank and the water of the water tank can be mixed through a mixer and discharged through a second liquid outlet at one end of a pipe connected to the mixer, or enter the mixing pipe and be discharged from the first liquid outlet; the water tank is also connected to a third liquid outlet through a fire pump.

2. The fire fighting system with multiple liquid discharge modes according to claim 1, characterized in that: The water tank is connected to the fire pump through a first pipeline, and is connected to a second pipeline through the fire pump. The second foam tank is selectively connected to the first pipeline through a mixer. A branch of the second pipeline is connected to the mixing pipeline. A second liquid outlet is provided at one end of the second pipeline. Another branch is provided on the second pipeline and is connected to a third pipeline. A third liquid outlet is provided at one end of the third pipeline.

3. The fire fighting system with multiple liquid discharge modes according to claim 1, characterized in that: The air compressor is transmission-connected to the hydraulic pump, and the hydraulic pump is transmission-connected to the first power take-off.

4. The fire fighting system with multiple liquid discharge modes according to claim 1, characterized in that: The fire pump is transmission connected to the second power take-off.

5. The fire fighting system with multiple liquid discharge modes according to claim 1, characterized in that: A first foam valve is arranged between the first foam tank and the foam pump, and a second foam valve is arranged between the second foam tank and the mixer.

6. The fire fighting system with multiple liquid discharge modes according to claim 2, characterized in that: The fire pump comprises a high-pressure area and a normal-pressure area, the first pipeline and the second pipeline are connected through the normal-pressure area, and the third pipeline is connected to the third liquid outlet through the high-pressure area.

7. The fire fighting system with multiple liquid discharge modes according to claim 2, characterized in that: The second pipe is selectively connected to the ejection end of the mixer through a fourth pipe.

8. The fire fighting system with multiple liquid discharge modes according to claim 7, characterized in that: The fourth pipeline is provided with an ejection valve.

9. The fire fighting system with multiple liquid discharge modes according to claim 1, characterized in that: A flow meter is arranged on the mixing pipeline.

10. A fire truck, characterized in that: A fire fighting system comprising a plurality of liquid discharge modes as described in any one of claims 1 to 9.

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