Fire extinguishing device based on water-based foam

Abstract

The utility model discloses a fire extinguishing device based on water-based foam. A fire extinguishing cabinet comprises a cabinet body (1), a water inlet pipe (2), a booster pump (3), a first pipeline (4), a main pipeline (5), a liquid guide pipe (6), a foam box (7) and a water outlet pipe (8), the water inlet pipe (2), the booster pump (3), the first pipeline (4), the main pipeline (5), the liquid guide pipe (6), the foam box (7) and the water outlet pipe (8) are all arranged in the cabinet body (1). According to the fire extinguishing device based on the water-based foam, most of fire extinguishing equipment is arranged in the fire extinguishing cabinet, and the positions of all the parts are reasonably arranged, so that water-based foam fire extinguishing is realized in a limited space, the water-based foam is adopted as a fire extinguishing medium, and a lithium battery is controlled to continuously react and adsorb toxic gas.

Description

Technical Field

[0001] The utility model relates to a fire extinguishing device based on water-based foam, belonging to the technical field of fire extinguishing. Background Art

[0002] As an important component of new energy, batteries have been widely used in many fields. Their application areas mainly include:

[0003] 1. Electric vehicles: including electric cars, electric bicycles, etc.;

[0004] 2. Building and production backup power supply: used to provide emergency or backup power;

[0005] 3. Professional energy storage facilities: such as energy storage stations, used for grid regulation and peak-valley electricity management.

[0006] The main characteristics of battery fire are as follows:

[0007] 1. Fire spreads quickly: After a battery catches fire, the fire can spread quickly within the battery module within seconds.

[0008] 2. Long duration: After the battery catches fire, the burning time is long.

[0009] 3. Extremely high temperatures: During combustion, batteries can reach extremely high external temperatures, which is enough to ignite other materials and cause a larger fire

[0010] There are several reasons why battery fire extinguishing is difficult:

[0011] 1. Material properties: The material and structure of the battery determine its thermal stability. Most of the combustion reaction occurs inside the battery casing, which prevents the fire extinguishing agent from taking effect.

[0012] 2. The flame is difficult to approach: Once a battery fire occurs, the flame may be blocked by the battery casing and other components, making it difficult for the fire-fighting equipment to be aimed directly at the fire source.

[0013] 3. The fire intensifies: After the fire breaks out, the battery may continue to discharge and generate arcs, which will not only intensify the fire but also increase the difficulty of extinguishing the fire.

[0014] 4. Release of toxic gases: During the combustion process, batteries may release dangerous chemicals and toxic gases (such as hydrogen fluoride and hydrogen cyanide), posing a serious threat to the health and safety of firefighters.

[0015] Therefore, a new fire extinguishing device is needed to solve the above problems. Utility Model Content

[0016] The purpose of the utility model is to provide a fire extinguishing device based on water-based foam to solve the problems raised in the above background technology.

[0017] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0018] A fire extinguishing device based on water-based foam comprises a fire extinguishing cabinet, wherein the fire extinguishing cabinet comprises a cabinet body, a water inlet pipe, a booster pump, a first pipeline, a main pipeline, a liquid guide pipe, a foam box and a water outlet pipe;

[0019] The water inlet pipe, booster pump, first pipeline, main pipeline, liquid guide pipe, foam box and water outlet pipe are all arranged in the cabinet;

[0020] The water inlet pipe and the booster pump are both arranged at the bottom of the cabinet, and the water inlet pipe is connected to the first pipeline through the booster pump;

[0021] The first pipe is connected to the main pipe through the main inlet, the main pipe is vertically arranged on one side of the cabinet, a foam input port and a water outlet are arranged on the main pipe, the foam box is connected to the foam input port through the liquid guide pipe, a one-way valve is arranged on the liquid guide pipe, and the water outlet pipe is connected to the water outlet.

[0022] Preferably, the fire extinguishing cabinet further comprises a pipe network pressure sensor and a pressure gauge, and the pipe network pressure sensor and the pressure gauge are arranged on the water inlet pipe.

[0023] Preferably, the booster pump is an air pressure tank. Both the booster pump and the pressure tank are devices used to adjust water pressure. The booster pump pressurizes the low-pressure water source so that the water flow and pressure reach a certain standard water pressure, which is convenient for our use. The pressure tank compresses and stores water in the tank through the pressure of air, maintains a certain water pressure, and thus provides a good water supply experience.

[0024] The advantage of a booster pump is that its water pressure is relatively stable, and there is no need to wait for the water in the water tank to be stored to a certain amount before it can be used. At the same time, the booster pump adopts fully automatic control, which is water-saving and environmentally friendly, has a long service life and is easy to maintain. However, the disadvantage of a booster pump is that its price is relatively high, and its service life will be shortened due to frequent operation.

[0025] The advantages of pressure tanks are that they are relatively cheap and take up little space, making them suitable for installation in household water systems. In addition, the service life of pressure tanks is relatively long. However, the disadvantage of pressure tanks is that their water pressure is relatively unstable, and it is necessary to wait for the water in the tank to accumulate to a certain amount before using it.

[0026] Preferably, a first electric ball valve is provided on the first pipeline.

[0027] Preferably, a foam mixer is provided at the foam input port.

[0028] Preferably, it also includes a reel, which is connected to the main pipeline through a reel connecting port. On the basis of extinguishing the fire at the water outlet, the reel can be manually opened to extinguish the fire.

[0029] Preferably, the reel connecting port is directly connected to the water outlet.

[0030] Preferably, it further comprises a maintenance drain pipe, which is directly connected to the main access port. The maintenance drain pipe is directly connected to the main access port, and foam liquid will not be introduced, which is convenient for maintenance.

[0031] Preferably, the foam input port is arranged between the water outlet and the main inlet, so that water and foam liquid can be mixed in proportion at the foam input port to obtain a mixed liquid, which can then be discharged through the water outlet for fire extinguishing.

[0032] Preferably, it also includes a solenoid valve and a nozzle, wherein the nozzle is connected to the water outlet pipe through the solenoid valve. The solenoid valve is used to conveniently control the nozzle to spray water, partition the protection area, and only perform targeted fire extinguishing on the fire point, thereby reducing property losses.

[0033] Beneficial effects: The water-based foam fire extinguishing device of the utility model sets most of the fire extinguishing equipment in the fire extinguishing cabinet and reasonably sets the positions of various parts, so as to realize water-based foam fire extinguishing in a limited space. Water-based foam is used as the fire extinguishing medium to control the continuous reaction of lithium batteries, absorb toxic gases, and quickly perform fire extinguishing and flame retardant operations to effectively prevent and reduce the damage caused by fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic structural diagram of a fire extinguishing device based on water-based foam of the utility model.

[0035] In the figure: 1. cabinet; 2. water inlet pipe; 21. pipe network pressure sensor; 22. pressure gauge; 3. booster pump; 4. first pipe body; 41. first electric ball valve; 5. main pipeline; 6. liquid guide pipe; 61 one-way valve; 62 foam mixer; 7. foam box; 8. water outlet pipe; 9. maintenance drain pipe; 10. reel; 11. solenoid valve; 12. nozzle. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] See also Figure 1 As shown, the water-based foam fire extinguishing device of the utility model comprises a fire extinguishing cabinet, which comprises a cabinet body 1, a water inlet pipe 2, a booster pump 3, a first pipeline 4, a main pipeline 5, a liquid guide pipe 6, a foam box 7 and a water outlet pipe 8;

[0038] The water inlet pipe 2, the booster pump 3, the first pipeline 4, the main pipeline 5, the liquid guide pipe 6, the foam box 7 and the water outlet pipe 8 are all arranged in the cabinet 1;

[0039] The water inlet pipe 2 and the booster pump 3 are both arranged at the bottom of the cabinet 1, and the water inlet pipe 2 is connected to the first pipeline 4 through the booster pump 3; preferably, a first electric ball valve 41 is arranged on the first pipeline 4. The switch of the first electric ball valve 41 is controlled by the electrical control cabinet.

[0040] Specifically, the water inlet pipe 2 and the first pipeline 4 are both horizontally arranged at the bottom of the cabinet 1, and the first pipeline 4 is arranged above the water inlet pipe 2. The space at the bottom of the cabinet can be effectively utilized.

[0041] Preferably, the fire extinguishing cabinet further includes a pipe network pressure sensor 21 and a pressure gauge 22, and the pipe network pressure sensor 21 and the pressure gauge 22 are arranged on the water inlet pipe.

[0042] The first pipe 4 is connected to the main pipe 5 through the main access port. The main pipe 5 is vertically arranged on one side of the cabinet 1. The main pipe 5 is provided with a foam input port and a water outlet. The foam box 7 is connected to the foam input port through the liquid guide pipe 6. The liquid guide pipe 6 is provided with a one-way valve 61. The water outlet pipe 8 is connected to the water outlet. Among them, the one-way valve 61 is an electric ball valve. It is convenient to control using an electrical control cabinet. Preferably, a foam mixer 62 is provided at the foam input port. The foam liquid and water are mixed in proportion by the foam mixer 62 to obtain a foam mixed liquid. Preferably, the foam input port is arranged between the water outlet and the main access port. In this way, water and foam liquid can be mixed in proportion at the foam input port to obtain a mixed liquid, and then discharged through the water outlet for fire extinguishing.

[0043] Specifically, the main pipe 5 is vertically arranged on one side of the cabinet, so that the space on one side of the cabinet can be effectively utilized. Moreover, since it is arranged on one side of the cabinet, it is convenient to use the pipe to discharge water and / or foam mixture from one side of the cabinet.

[0044] Specifically, it also includes an electrical control cabinet and a water pump control cabinet, which are both arranged on the other side of the cabinet 1. The electrical control cabinet and the water pump control and main pipeline are arranged on both sides of the cabinet 1, respectively, to effectively utilize the cabinet space and perform spatial isolation.

[0045] Preferably, the booster pump 3 is an air pressure tank. Both the booster pump and the pressure tank are devices used to adjust the water pressure. The booster pump pressurizes the low-pressure water source so that the water flow and pressure reach a certain standard water pressure, which is convenient for our use. The pressure tank compresses and stores the water in the tank through the pressure of the air, maintains a certain water pressure, and thus provides a good water supply experience.

[0046] The advantage of a booster pump is that its water pressure is relatively stable, and there is no need to wait for the water in the water tank to be stored to a certain amount before it can be used. At the same time, the booster pump adopts fully automatic control, which is water-saving and environmentally friendly, has a long service life and is easy to maintain. However, the disadvantage of a booster pump is that its price is relatively high, and its service life will be shortened due to frequent operation.

[0047] The advantages of pressure tanks are that they are relatively cheap and take up little space, making them suitable for installation in household water systems. In addition, the service life of pressure tanks is relatively long. However, the disadvantage of pressure tanks is that their water pressure is relatively unstable, and it is necessary to wait for the water in the tank to accumulate to a certain amount before using it.

[0048] Preferably, a reel 10 is further included, and the reel 10 is connected to the main pipeline 5 through the reel connection port. The reel can be manually opened to extinguish the fire on the basis of extinguishing the fire at the water outlet. Preferably, the reel connection port is directly connected to the water outlet. Preferably, a maintenance drain pipe 9 is further included, and the maintenance drain pipe 9 is directly connected to the main access port. The maintenance drain pipe is directly connected to the main access port, and foam liquid will not be introduced, which is convenient for maintenance.

[0049] Preferably, it also includes a solenoid valve 11 and a nozzle 12, and the nozzle 12 is connected to the water outlet pipe 8 through the solenoid valve 11. The solenoid valve is used to conveniently control the nozzle to spray water, and the protection area is protected by partitions, and only the fire point is targeted for fixed-point fire extinguishing, thereby reducing property losses.

[0050] Working principle: The automatic fire alarm of the on-site terminal equipment sends out a warning fire signal, which links the fire extinguishing device. First, the water pump control cabinet starts the booster pump, and the electrical control cabinet opens the electric ball valve and the solenoid valve of the corresponding fire protection area. Secondly, the fire extinguishing medium is sucked into the foam agent through the foam mixer, and the foam mixture is transported to the nozzle through the pipeline to spray the fire extinguishing agent to the fire extinguishing area. At the same time, the emergency start button can be pressed on site to start the booster pump and the electric ball valve, which is convenient for on-site personnel to use the reel for manual fire extinguishing.

[0051] The utility model adopts a stable water source continuous water supply fire extinguishing method, which can effectively extinguish fire continuously. The foam supply meets the fire extinguishing demand for 0.5 hours. The water-based foam agent used has -15 degree antifreeze. It is convenient to divide the protection area into zones according to the alarm positioning, and only carry out targeted fire extinguishing at the fire point to reduce property losses. The automatic water spray foam fire extinguishing system and the handheld water-based foam fire hydrant fire extinguishing method are adopted, with multiple protections. Water-based foam is used as the fire extinguishing medium to control the continuous reaction of lithium batteries and absorb toxic gases.

[0052] The utility model of the fire extinguishing device based on water-based foam sets most of the fire extinguishing equipment in the fire extinguishing cabinet and reasonably sets the positions of various parts, so as to realize water-based foam fire extinguishing in a limited space. Water-based foam is used as the fire extinguishing medium to control the continuous reaction of lithium batteries, absorb toxic gases, and quickly perform fire extinguishing and flame retardant operations to effectively prevent and reduce the damage caused by fire.

Claims

1. A fire extinguishing device based on water-based foam, comprising a fire extinguishing cabinet, characterized in that: The fire extinguishing cabinet comprises a cabinet body (1), a water inlet pipe (2), a booster pump (3), a first pipeline (4), a main pipeline (5), a liquid guide pipe (6), a foam box (7) and a water outlet pipe (8); The water inlet pipe (2), the booster pump (3), the first pipeline (4), the main pipeline (5), the liquid guide pipe (6), the foam box (7) and the water outlet pipe (8) are all arranged in the cabinet (1); The water inlet pipe (2) and the booster pump (3) are both arranged at the bottom of the cabinet (1), and the water inlet pipe (2) is connected to the first pipeline (4) through the booster pump (3); The first pipeline (4) is connected to the main pipeline (5) through the main inlet; the main pipeline (5) is vertically arranged on one side of the cabinet (1); a foam input port and a water outlet are arranged on the main pipeline (5); the foam box (7) is connected to the foam input port through the liquid guide pipe (6); a one-way valve (61) is arranged on the liquid guide pipe (6); and the water outlet pipe (8) is connected to the water outlet.

2. The water-based foam fire extinguishing device according to claim 1, characterized in that: The fire extinguishing cabinet further comprises a pipe network pressure sensor (21) and a pressure gauge (22), wherein the pipe network pressure sensor (21) and the pressure gauge (22) are arranged on the water inlet pipe.

3. The water-based foam fire extinguishing device according to claim 1, characterized in that: The booster pump (3) is a pressure tank.

4. The water-based foam fire extinguishing device according to claim 1, characterized in that: A first electric ball valve (41) is provided on the first pipeline (4).

5. The water-based foam fire extinguishing device according to claim 4, characterized in that: A foam mixer (62) is provided at the foam input port.

6. The water-based foam fire extinguishing device according to claim 1, characterized in that: It also comprises a reel (10), wherein the reel (10) is connected to the main pipeline (5) via a reel connecting port.

7. The water-based foam fire extinguishing device according to claim 6, characterized in that: The reel communication port is directly connected to the water outlet.

8. The water-based foam fire extinguishing device according to claim 1, characterized in that: It also includes a maintenance drain pipe (9), wherein the maintenance drain pipe (9) is directly connected to the main access port.

9. The water-based foam fire extinguishing device according to claim 1, characterized in that: The foam input port is arranged between the water outlet and the main inlet.

10. The water-based foam fire extinguishing device according to claim 1, characterized in that: It also comprises a solenoid valve (11) and a spray head (12), wherein the spray head (12) is connected to the water outlet pipe (8) via the solenoid valve (11).

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