TW202204012A - Fire suppressing method and fire suppressing agent discharger - Google Patents

Abstract

The present invention provides a fire suppressing method and a fire suppressing agent discharger, the object thereof is to prevent an intentional fire such as arson terrorism in advance by not igniting a spread fuel, or suppressing fire spreading to obtain a temporal margin until refuge even in a case of igniting. A fire suppressing method comprises: for a crime, such as arson terrorism in which a fuel is spread and ignited, finishing discharging a fire suppressing agent, which has an effect of evaporation suppression and/or flameproof effect against a combustible, in a wide range within 10 seconds, for example.

Description

Fire control method and fire control chemical discharger

The present invention relates to a fire control method and a fire control chemical discharger for preventing man-made fires such as arson terrorist attacks before they occur, and for preventing fires from spreading.

It is difficult to prevent man-made fires such as arson and terrorist attacks caused by deliberately spilling flammable liquids such as gasoline and kerosene and then igniting them, especially when the fuel is spilled after a period of time. Not only will explosion and combustion occur, but also the fire extinguishing treatment after ignition is extremely difficult.

It is also expected that the unplanned combustibles (combustibles that leak and spread due to accident and negligence) are effectively controlled beforehand.

In view of this, it has been proposed to prevent the spread of fire by using a nozzle that discharges the medicinal agent in a fan shape with a thickness that has an effect of preventing the spread of the fire, so that the medicinal agent can adhere to the combustible material (such as the wall of the cultural property) without any space. method (Patent Document 1 described below).

(prior art literature)

(patent literature)

Patent Document 1: Japanese Patent Laid-Open No. 2017-158971

However, the above-mentioned method for preventing the spread of fire has not recognized the problem of preventing man-made fires such as arson terrorist attacks using flammable liquid fuels. In addition, it is desired to perform more powerful fire control.

The present invention has been developed in view of the above-mentioned points, and aims to prevent man-made fires such as arson terrorist attacks before they occur, so that the spilled fuel (flammable liquid) is not ignited, or even if ignited, the flame is still controlled to strive for more points Time to avoid the spread of the fire, in addition to the fire control method and the fire control agent discharge device for effectively controlling the non-man-made fire.

The fire control method of the present invention is characterized in that:

For criminal acts such as arson terrorist attacks, such as sprinkling fuel and then igniting, the chemical that has the volatilization control of fuel or the anti-combustibility effect on combustibles (for example, the later-described fire control agent 99, etc.) as a chemical) in a short period of time ( For example, widely discharge in less than 10 seconds), thereby controlling ignition and explosion (deflagration or explosive combustion). In addition, it also controls fires due to accidental and negligent leakage and diffusion of fuel, and general combustibles.

The present invention includes the following aspects.

[1] A fire control method, which is to control the volatilization of fuel or prevent combustion of combustibles in a short period of time and in a wide range of criminal acts such as arson terrorist attacks. Emissions, whereby ignition and explosions are controlled.

[2] The fire control method according to [1], wherein the chemical agent is discharged within 10 seconds from the start of discharge.

[3] The fire control method according to [1] or [2], wherein the chemical is discharged to 4 square meters or more per liter.

[4] The fire control method according to any one of [1] to [3], wherein the chemical composition contains There are one or more of surfactants, fluorine-based surfactants, and phosphate-based flame retardants.

[5] The method for controlling a fire according to any one of [1] to [4], wherein the chemical agent contains a group consisting of a fluorine-based surfactant, a hydrocarbon-based surfactant, a silicon-based surfactant, and others. At least two selected from the group consisting of surfactants, phosphate flame retardants, tackifiers, flame retardants, and freezing point depressants.

[6] The fire control method according to any one of [1] to [5], wherein the chemical is discharged before the fire is ignited.

[7] A chemical discharger for fire control, comprising: a storage container for storing a chemical that has the effect of controlling volatilization of fuel or preventing combustion of combustibles; a flow path communicating with the storage container and having The capacity of 1 liter of the medicine is the cross-sectional area of 25 square millimeters (millimeter) or more; and the opening part is connected with the above-mentioned circulation path, and the above-mentioned medicine is sprayed while spreading; for arson terrorist attacks such as arson and terrorist attacks, they are ignited after being sprinkled with fuel, etc. It is a criminal act that discharges a large-scale pharmaceutical agent with the volatilization control of fuel or the anti-combustible effect on combustibles in a short period of time, thereby controlling ignition and explosion.

[8] The fire control chemical discharge device according to [7], wherein the above-mentioned chemical is discharged in less than 10 seconds.

[9] The fire control chemical discharge device according to [7] or [8], wherein the chemical is discharged to 4 square meters or more per 1 liter.

[10] The fire control chemical discharger according to any one of [7] to [9], wherein the opening is provided with a metal mesh, and the chemical is in a state of being entangled in air to form a foam discharged to the outside.

[11] The fire control chemical discharger according to any one of [7] to [10], wherein, when the center of the discharge range of the chemical is set in the horizontal direction, the chemical is 30 in the horizontal direction. Discharge in the range of 15 degrees to 150 degrees, and discharge in the range of 15 degrees to 90 degrees in the vertical direction.

[12] A fire control method, comprising discharging the chemical agent from the fire control chemical agent discharger according to any one of [7] to [11].

[13] A fire control method, which is to control the volatilization of fuel or prevent combustion of combustibles The potion of fruit is discharged to more than 1 square meter per 1 liter of potion, and the discharge is completed within 10 seconds from the start of the discharge.

[14] A fire control chemical discharger, comprising: a storage container for storing a chemical for controlling volatilization of flammable liquids or for preventing combustion of combustibles; a flow path for communicating with the storage container, and has a cross-sectional area of 25 square millimeters or more for the capacity of 1 liter of the medicine; and an opening part, which is communicated with the flow path, and the medicine is sprayed while diffusing; wherein, the medicine is discharged to 1 per liter of the medicine. Above square meters, the discharge is completed within 10 seconds from the start of discharge.

The present invention is designed to prevent man-made fires such as arson terrorist attacks in advance, so that the spilled fuel is not ignited, or even if it is ignited, the flame can be controlled for more time to avoid the spread of the fire. Moreover, the same effect can be acquired also in normal fire.

10: Discharger (medicine discharger for fire control)

11: Pressure vessel

12: Cylinder part

13: Shoulder

15: The third gas introduction pipe

16: Circulation path

17: First ejection pipe (first flow path)

18: Second ejection pipe (second flow path)

19: Third ejection pipe (third flow path)

20: Opening

50: Nozzle unit

51: Cap nut

52: Portable handle

55: Nozzle

57: First gas introduction pipe

58: Second gas introduction pipe

60: Handle

61: Fixed handle part

62: Movable handle part

63: Safety buckle

64: Safety latch

65: Punching knife

66: Pin

70: Gas cartridge (gas container)

71: Sealing plate

72: Gas tank cover

99: Fire Control Agents

100: Foam head

101: Rotor

102: Metal mesh

104: Air holes

105a~105c: Through hole

106: Shaft

200: Combustible

201: Director

201a: Upper guide

201b: Lower Director

202: Metal mesh

220a~220d: slit

S0: The cross-sectional area of the nozzle

S1: Cross-sectional area of the first flow path

S2: Cross-sectional area of the second flow path

S3: Cross-sectional area of the third circulation path

1A is an overall rear view showing a pressurized fire control chemical discharge device according to an embodiment of the present invention.

1B is a side view showing the whole of the pressurized fire control chemical discharge device according to an embodiment of the present invention.

1C is a plan view showing the entirety of the pressurized fire control chemical discharge device according to an embodiment of the present invention.

Fig. 2 is a diagram showing the whole of a pressure accumulating type fire control chemical discharge device according to another embodiment of the present invention.

Fig. 3 is a diagram showing the flow path of the fire control chemical discharge device according to the embodiment of the present invention and the conventional Diagram of the flow path of a technical fire extinguisher.

FIG. 4 is a diagram showing the nozzle structure of the F-type nozzle.

Figure 5 is a diagram showing a nozzle configuration of a foam head nozzle.

6A is a top view showing a nozzle configuration of a diffuser nozzle.

Figure 6B is a side view showing the nozzle configuration of the diffuser nozzle.

Figure 6C is a front view showing the nozzle configuration of the diffuser nozzle.

FIG. 7A is a top view showing the nozzle configuration of the foam head with a double head angled configuration.

Figure 7B is a side view showing the nozzle configuration of the foam head in a double headed angled configuration.

FIG. 8A is a top view showing a circumferential direction discharge mechanism as a low reaction force mechanism.

Fig. 8B is a side view showing the circumferential direction discharge mechanism as the low reaction force mechanism.

FIG. 8C is a plan view showing the circumferential direction discharge mechanism as the low reaction force mechanism.

FIG. 9A is a graph showing the protective range area of a nozzle of type A. FIG.

FIG. 9B is a graph showing the protection range area of the nozzle of type B. FIG.

FIG. 9C is a graph showing the shielding area of the nozzle of type C. FIG.

Hereinafter, the embodiment will be described based on the drawings. In the following description, the direction of up or down refers to up or down in a state where the chemical discharger 10 for controlling fire is upright ( FIG. 1B ).

(Configuration of fire control chemical discharge device 10 (pressurized type))

FIGS. 1A to 1C are three side views showing a pressurized fire control chemical discharger that is an object of an embodiment of the present invention. 1A is a rear view of the fire control chemical dispenser 10 , FIG. 1B is a side view of the fire control chemical dispenser 10 , and FIG. 1C is a plan view of the fire control chemical dispenser 10 .

The fire control chemical discharger 10 (hereinafter, referred to as the discharger 10) of the present embodiment It is called pressurized type. The discharger 10 has a pressure-resistant container 11 . In the pressure-resistant container 11, a fire control agent 99, which is a chemical for controlling the volatilization of artificially spilled fuel (flammable liquid) and controlling the ignition of the fuel and the explosive combustion of the fuel, and the introduction of a third gas (gas) are enclosed. The pipe 15 , and the first discharge pipe (first flow path) 17 . The first ejection pipe 17 is also called a siphon pipe.

A nozzle unit 50 is attached to the pressure vessel 11 outside the pressure vessel 11 . The nozzle unit 50 is equipped with a second discharge pipe (second flow path) 18, a third discharge pipe (third flow path) 19, a nozzle 55, a first gas introduction pipe 57, a second gas introduction pipe 58, and a handle (handle) 60, and a gas cartridge (gas cartridge) 70. The second discharge pipe (second flow path) 18 leads the fire control agent 99 that has passed through the first discharge pipe 17 to the third discharge pipe 19 and the opening 20 . The third discharge pipe (third flow path) 19 leads the fire control agent 99 that has passed through the second discharge pipe 18 to the opening 20 . The nozzle 55 ejects the fire control agent 99 from the opening 20 through the third ejection pipe 19 to spray (discharge) the fire control agent 99 to the combustible material 200 , which is the target object of the fire. The first gas introduction pipe 57 leads the gas from the gas cartridge 70 to the second gas introduction pipe 58 and the third gas introduction pipe 15 . The second gas introduction pipe 58 leads the gas that has passed through the first gas introduction pipe 57 to the third gas introduction pipe 15 . The gas cartridge 70 is a gas container for pressurization as a pressure source for spraying (discharging), and for example, nitrogen gas, helium gas, carbon dioxide gas, and the like are enclosed in the gas container. Preferably, nitrogen gas can be sealed in the gas container in order to promote foaming.

In addition, the nozzle unit 50 is provided with a cap nut 51, which is configured to be able to attach the nozzle unit 50 to the pressure-resistant container 11 and to prevent fire control in the pressure-resistant container 11. The agent 99 is configured such that it leaks to the outside. Moreover, the carrying handle 52 is attached to the nozzle unit 50, and it is comprised so that the discharger 10 can be carried by a person (operator). In addition, the nozzle unit 50 may be provided with a cartridge cover 72 shown by a dotted line that covers the cartridge 70 . In addition, the gas cartridge 70 may be configured to be enclosed in the pressure-resistant container 11 .

The pressure-resistant container 11 is formed of metal such as aluminum. The pressure vessel 11 is shown in Fig. 1A and Fig. As shown in 1C, it has a substantially cylindrical cylindrical portion 12 having a substantially constant diameter, and a shoulder portion 13 having a diameter reduced and bent into a substantially bowl-like shape, and the cylindrical portion 12 and the shoulder portion 13 are seamless. formed into one. In addition, the cylindrical portion 12 and the shoulder portion 13 are not necessarily formed to be seamless, and may be joined by welding or the like.

The handle 60 is composed of a fixed handle portion 61 that is fixed, and a movable handle portion 62 configured to be able to move up and down with respect to the fixed handle portion 61 . In addition, the handle 60 is provided with: a safety lock 63 for restricting the movement of the movable handle portion 62 in the vertical direction; and a safety pin 64 for fixing the safety lock 63 to Buckle state. In a state where the safety latch 64 is removed from the handle 60 and the safety catch 63 is changed from the latched state to the unlocked state, the movable handle portion 62 can be lifted relative to the fixed handle centered on the pin 66 . When the handle portion 61 is rotated, the free end of the movable handle portion 62 can move up and down. In addition, the system is configured to rupture (break) the sealing plate 71 of the gas cartridge 70 by operating a punch 65 composed of a cutter or the like in accordance with the operation of the handle 60 . The gas cartridge 70 from which the sealing plate 71 is ruptured by the punching knife 65 discharges gas (eg, nitrogen gas, carbon dioxide gas, helium gas, etc.), and passes the gas through the first gas introduction pipe 57, the second gas introduction pipe 58, and the third gas The pipe 15 is introduced and discharged into the pressure-resistant container 11 .

The fire control agent 99 is pressurized by the pressure of the gas discharged into the pressure-resistant container 11, and is sprayed (discharged) from the opening 20 of the nozzle 55 through the first discharge pipe 17, the second discharge pipe 18, and the third discharge pipe 19. ), and discharge it to the combustible material 200 which is an object to be subjected to fire control. In addition, a sealing plate (not shown) is also provided between the first ejection pipe 17 and the second ejection pipe (second flow path) 18, and the sealing plate is constituted so as to be ruptured by the pressure of the gas.

(Configuration of the discharger 10 (accumulator type))

Although the pressure type discharger 10 is used for the description in FIGS. 1A to 1C , it may be a so-called accumulator type discharger 10 . Here, FIG. 2 is a diagram showing a pressure accumulating type fire control chemical discharger 10 which is an object of another embodiment of the present invention. In the pressure-resistant container 11 of the accumulator-type discharger 10, the volatilization of the artificially spilled fuel (flammable liquid) and the ignition and ignition of the fuel are controlled. The fire control agent 99 of the explosive combustion agent of the material, together with the gas (for example, nitrogen + helium, etc.) as a pressure source for spraying (discharging), at a predetermined pressure (for example, about 0.7 megapascals (megapascal) ) to about 0.9 MPa) are enclosed (pressure accumulating). In addition, the first discharge pipe 17 is sealed in the pressure-resistant container 11 of the pressure accumulator type discharger 10 .

A nozzle unit 50 is attached to the pressure-resistant container 11 outside the pressure-resistant container 11 . The nozzle unit 50 is provided with: a second discharge pipe (second flow path) 18 for leading out the fire control agent 99 from the first discharge pipe 17 to the third discharge pipe 19 and the opening 20; the third discharge pipe ( The third flow path) 19 leads the fire control agent 99 from the second discharge pipe 18 to the opening 20; the nozzle 55 discharges the fire control agent 99 from the third discharge pipe 19 from the opening 20, On the other hand, the fire control agent 99 is sprayed (discharged) to the target object of the fire, namely the combustible material 200 ; and the handle 60 .

In addition, the nozzle unit 50 is provided with a cap nut 51, and the cap nut 51 is configured to be able to attach the nozzle unit 50 to the pressure-resistant container 11 and to prevent leakage of the gas and the fire control agent 99 in the pressure-resistant container 11. constituted in an external manner.

The pressure-resistant container 11 is formed of metal such as aluminum. The pressure-resistant container 11 has a substantially cylindrical cylindrical portion 12 having a substantially constant diameter, and a shoulder portion 13 having a diameter reduced and bent into a substantially bowl-like shape, and the cylindrical portion 12 and the shoulder portion 13 are seamlessly formed so that one. In addition, the cylindrical portion 12 and the shoulder portion 13 are not necessarily formed to be seamless, and may be joined by welding or the like.

The handle 60 is composed of a fixed handle portion 61 that is fixed, and a movable handle portion 62 configured to be able to move up and down with respect to the fixed handle portion 61 . In addition, the handle 60 is provided with: a safety buckle 63 for restricting the vertical movement of the movable handle portion 62; and a safety latch 64 for fixing the safety buckle 63 in the buckled state. In a state where the safety latch 64 is removed from the handle 60 and the safety buckle 63 is changed from the engaged state to the released state, the movable handle portion 62 can be relative to the fixed handle portion 61 centered on the pin 66 By rotating, the free end of the movable handle portion 62 can move up and down. In addition, the system is configured such that the punching blade 65 composed of a blade or the like is operated downward in accordance with the operation of the handle 60, The sealing plate 71 is ruptured (broken), and the sealing plate 71 is a member provided between the first discharge pipe 17 and the second discharge pipe (second flow path) 18 to prevent the gas in the pressure-resistant container 11 and the A member configured so that the fire control agent 99 leaks to the outside. When the sealing plate 71 is broken by the punching knife 65 , the fire control agent 99 is sprayed from the opening 20 of the nozzle 55 through the first discharge pipe 17 , the second discharge pipe 18 and the third discharge pipe 19 by the pressure of the gas. (discharge), it discharges to the combustible material 200 which is the object which should carry out fire control.

(Type of fire control agent)

Here, as the kind of the fire control agent 99 (medicine) enclosed in the pressure-resistant container 11 of the discharger 10, the following chemicals are used.

(1) A chemical containing a fluorine-based surfactant, such as a chemical containing a fluorine-based amphoteric surfactant, a fluorine-based anion surfactant, a fluorine-based non-ionic surfactant, or the like, preferably A chemical containing a fluorine-based amphoteric surfactant (manufactured by Chemours Co., Ltd., registered trademark, Capstone ^™ 1157, etc.).

(2) Chemicals containing hydrocarbon-based surfactants, such as those containing hydrocarbon-based nonionic surfactants, hydrocarbon-based anionic surfactants, hydrocarbon-based amphoteric surfactants, etc., preferably hydrocarbon-based nonionic surfactants (Kao Co., Ltd., registered trademark, MYDOL 10, etc.).

(3) A chemical containing a silicon-based surfactant, preferably a chemical containing a polyether-type silicon-based surfactant.

(4) Drugs containing other surfactants, for example, drugs containing animal protein, vegetable protein, saponin, etc., preferably, drugs containing animal protein.

(5) Chemicals containing phosphate flame retardants, such as those containing acidic phosphates, orthophosphates, condensed phosphates, phosphites, etc., preferably containing acidic phosphates (methyl acid phosphate) ) of the drug.

(6) Drugs containing thickening agents, such as natural gums such as xanthan gum, guar gum, and arabia gum, and carboxymethyl cellulose. and polysaccharides such as methylcellulose, gelatine, and other pharmaceutical agents, preferably a pharmaceutical agent containing xanthan gum.

(7) Agents containing freezing point depressants, such as ethylene glycol, diethylene glycol, propylene glycol, butyl carbitol, hexyl carbitol ( Drugs such as glycols such as hexyl carbitol, alcohols such as glycerin and sorbitol, and the like, are preferably drugs containing ethylene glycol.

(8) A chemical containing a flame retardant (flame retardant), for example, a chemical containing urea, a nitride such as ammonium salt, a guanidine salt, or the like, preferably a chemical containing urea.

The enclosed fire control agent 99 may be any of the above (1) to (5), or may be a mixture of plural types. It is particularly preferable that the enclosed fire control agent 99 contains at least two of the above (1) to (8). In addition, any chemical can be used as long as it can control the fire, and the fire control agent 99 can be changed to the chemical used for fire extinguishing (fire-extinguishing chemical, civil engineering/construction foaming agent, food foaming agent, Foaming agent for cosmetics, non-foaming flame retardant / flame retardant / flame retardant / water-soluble flame retardant coating / flame retardant resin, etc.). Moreover, it is preferable to use the fire control agent 99 sprayed (discharged) in the state of foam. As in (1), the fire control agent 99 forms a water film on the fuel (especially the combustible liquid) when returning from the foam state to the aqueous solution state to cover the fuel, so that the volatilization of the combustible vapor of the fuel can be controlled. and ignition. In addition, common additives such as pH adjusters (for example, amines such as monoethanolamine, triethanolamine, diethanolamine, etc., Sodium tetraborate, inorganic acids such as sulfuric acid and nitric acid, organic acids such as acetic acid and citric acid, etc., it is preferable to contain monoethanolamine when neutralizing acid, and sulfuric acid when neutralizing alkaline ) and rust inhibitors (aromatic compounds such as benzotriazole, etc.). In addition, the volume CP of the enclosed fire control agent 99 (the amount of chemical agent CP) is about 2 liters in the case of a portable type of the same type as a conventional fire extinguisher, but it may be less than 2 liters (for example, 1 liters), or more than 2 liters (eg, 6 liters). In addition, it can also be used in fire control agent 99 Add color and flavor. By adding color and flavor as described above, the arsonist terrorist attack prisoner can be easily identified by adhering the sprayed (discharged) fire control agent 99 to the arsonist terrorist attack prisoner's clothes or the like.

(Effect of fire control agent)

The effects of Fire Control Agent 99 are listed below.

(1) The chemical system containing the fluorine-based surfactant has the effect of forming a water film on the spilled fuel (in particular, a flammable liquid), thereby preventing the volatilization of the fuel.

(2) The chemical system containing the hydrocarbon-based surfactant has the effect of forming a foam on the spilled fuel (especially a flammable liquid), preventing volatilization of the fuel, and emulsification of the fuel.

(3) The chemical system containing a silicon-based surfactant has the effect of forming a foam on the spilled fuel (especially a flammable liquid), preventing volatilization of the fuel, and emulsifying the fuel.

(4) The chemical|medical agent system containing other surfactant has the effect of forming foam on the spilled fuel (especially flammable liquid), preventing volatilization of the fuel, and emulsifying the fuel.

(5) Chemicals containing flame retardants such as phosphates have the effect of controlling the combustion of general combustibles such as wood, clothing, paper, and resin.

(6) The chemical system containing the thickener can maintain the foamed state for a long time after being sprayed in the foamed state. In addition, the adhesion effect on cloth, board, and the like is improved.

(7) The chemical system containing the freezing point depressant can make the fire control agent less likely to freeze.

(8) Chemicals containing flame retardants (flame retardants) have the same effect as phosphates to control the combustion of general combustibles such as wood, clothing, paper, and resin.

(Type of discharger 10)

The types of the discharger 10 having the pressure-resistant container 11 as described above are: a portable type (the same type as the fire extinguisher of the prior art, and the amount of the enclosed chemical CP is 0.8 liters to 10 liters (preferably 1 liter to 6 liters) ), the size of the pressure container 11), and the portable type (which can carry a moving aerosol; Also known as aerosol) type, for example, it is a type of the size of the pressure-resistant container 11 in which the amount of the enclosed medicine CP is 1 liter or less (preferably 0.2 liter to 0.5 liter). In addition, there are also portable and portable types of dischargers 10 first in specific places (for example, places where fire control agent 99 can be sprayed to buildings, vehicles, passages, entrances and exits, etc. and to ensure evacuation routes, such as Wall and ceiling, etc.) fixed type of fixed installation. In addition, the size of the ejector 10 is not limited to the above, as long as it is a portable type as long as it can be carried and moved like a fire extinguisher, and as a portable type as long as it is a portable type.

The dimensions of the portable 2-liter discharger 10 of the present embodiment are, for example, as shown in FIGS. 1A to 1C , the height is 520 mm, the width (the lateral length of the nozzle unit) is 266 mm, and the pressure-resistant container 11 has a size of 520 mm. The diameter is 128 mm. Since this size is substantially the same as that of a general 2-liter fire extinguisher, it is possible to use the components of a conventional fire extinguisher as a common component for the discharger 10 . By using the parts used in the fire extinguisher in common for the discharger 10 as described above, the cost of the discharger 10 itself can be reduced, and the discharger 10 can be integrated with a recycle system of the fire extinguisher. The dimensions shown here are only an example, and the size of the discharger 10 may be different from the dimensions shown here, as long as the dimensions are determined according to the amount of medicine enclosed in the pressure-resistant container 11 .

In the portable type and the portable type, as described above, the fire control agent 99 is sprayed (discharged) from the opening 20 of the nozzle 55 and discharged to the combustible material 200 according to the operation of the carrying handle 60 . In addition, the portable type also includes a general aerosol type that sprays (discharges) the fire control agent 99 from the opening 20 of the nozzle 55 to the combustible material 200 by pressing the nozzle 55 downward.

The spraying (discharging) method of the stationary type is the same as that of the portable type and the portable type, but it can also be configured such that the enclosed fire control agent 99 is discharged from the opening 20 of the nozzle 55 using a remote controller or the like for remote operation. Spray (discharge). For example, the fixed type discharger 10 is fixed and installed at a place where the fire control agent 99 can be sprayed (discharged) around the counter of a bank and in a range where an evacuation route can be secured. In addition, it is constituted as when the perimeter of the counter is intentionally splashed with fuel (flammable When a person performing counter duties operates the spray switch of the remote controller, the fire control agent 99 can be sprayed (discharged) around the counter within a range where an evacuation route can be secured. An evacuation route can be secured by spraying (discharging) the fire control agent 99 of the stationary type discharger 10 widely in a short time as described above.

The fixed-type discharger 10 as described above does not require large-scale construction compared with the conventional fixed-type sprayer, etc., so it can be a very low-cost disaster prevention measure, and is also space-saving. Disaster prevention measures. In addition, the stationary version of the discharger 10 is configured to spray (discharge) the fire control agent 99 from the opening 20 of the nozzle 55 by remote operation, so that it can be unnoticed and intimidated by the prisoner of an arson attack. Control fire. In addition, the fixed type discharger 10 can also have a larger amount of medicine than the portable type. For example, it can discharge the fire control agent 99 in an amount of about 2 liters to 20 liters (preferably about 2 liters to about 16 liters). device 10.

(Constitution of short-term discharge mechanism)

The discharger 10 of the present embodiment includes a short-time discharge mechanism as a mechanism capable of spraying (discharging) the fire control agent 99 enclosed in the pressure-resistant container 11 in a short time. The short-time discharge mechanism is composed of a pressurizing method (pressurizing means), a releasing mechanism, and a flow path. When the chemical enclosed in the pressure-resistant container 11 is 2 liters, in the case of a conventional fire extinguisher, it takes 10 seconds or more to complete the spraying (discharging). On the other hand, according to the short-time discharge mechanism of the discharger 10 of the present embodiment, the time from the start of spraying (discharge) to the completion of the spraying (discharge) is less than 10 seconds, preferably less than 5 seconds. , preferably within 2 seconds.

(pressurization method (pressurization means))

As the pressurizing method, there can be exemplified a method in which the sealing plate 71 of the gas cartridge 70 is ruptured in one go to instantly release the pressure (for example, the above-mentioned pressurizing method), and a method in which the pressure is stored in the pressure-resistant container 11 from time to time. The method of instantaneous release of pressure (for example, the aforementioned pressure accumulation type), etc. In addition, the pressurizing method is a method as long as the pressure of the pressure-resistant container 11 can be increased and the fire control agent 99 in the pressure-resistant container 11 can be instantly discharged. in any way.

(release mechanism)

The release mechanism of the discharger 10 can be exemplified by the aforementioned pressurizing type and the aforementioned pressure accumulating type.

(circulation path)

The circulation path is constituted by the first circulation path 17 , the second circulation path 18 , and the third circulation path 19 . The cross-sectional area S of the flow path 16 (the first discharge pipe 17 or the second discharge pipe 18 or the third discharge pipe 19 ) of the discharger 10 of the present embodiment is configured to be larger than the cross-sectional area of the flow path of the conventional fire extinguisher. Big. In addition, the cross-sectional area S1 of the first flow path (first discharge pipe) 17 , the cross-sectional area S2 of the second flow path (second discharge pipe) 18 , and the cross-sectional area S3 of the third flow path (third discharge pipe) 19 Among them, the smallest cross-sectional area is the cross-sectional area S of the flow path 16 of the present embodiment. In the case of the discharger 10 having one nozzle 55 and one nozzle 55, for example, the cross section of the nozzle 55 is formed in a circular shape, and the flow path 16 (for example, the third discharge pipe 19) The cross-sectional area S, namely S3, is constituted by the size of 250 square millimeters.

Next, using FIG. 3, the structure of the flow path which can discharge a chemical|medical agent in a short time is demonstrated. FIG. 3 is a diagram showing a flow path of the fire control chemical discharger 10 according to the present embodiment and a flow path of a conventional fire extinguisher. The cross-sectional area S of the flow path 16 of the discharger 10 of the embodiment shown in FIG. 3 , that is, the smallest cross-sectional area is the cross-sectional area S2 of the second flow path 18 provided with the sealing plate 71 . In addition, the cross-sectional area S3 of the third flow path 19 is the same area as the cross-sectional area S1 of the first flow path, and is an area larger than the cross-sectional area S2. In addition, S2 is a slightly smaller area than S1 and S3, and S2/S3 and S2/S1 are values close to 1. In addition, when the sealing plate 71 is provided in the first flow path 17, the cross-sectional area in which the cross-sectional area S1 is the smallest may be sufficient.

The cross-sectional area of the flow path of the conventional fire extinguisher, that is, the smallest cross-sectional area is the cross-sectional area S0 of the nozzle. In addition, the cross-sectional area S0 of the nozzle is smaller than the cross-sectional areas S1, S2, and S3 of the flow path of the discharger 10, and S0/S1, S0/S2, and S0/S3 are values smaller than 1 (for example, about 0.5, about 0.3, more even about 0.1), 2 liters of medicament discharge requires more than 10 seconds of discharge time to end. By configuring the flow path 16 of the ejector 10 to form the above relationship, that is, the ratio of the cross-sectional areas S1, S2, S3 of the flow path of the ejector 10 to the cross-sectional area S0 of the nozzle (S1/S0, S2 /S0, S3/S0) is greater than 1, and the chemical can be discharged in a shorter time than the conventional fire extinguisher. In addition, the length of the flow path of the discharger 10 of the present embodiment (the distance from the inlet to the outlet of the flow path of the discharger 10 in FIG. 3 ) is the same as the length of the flow path of the conventional fire extinguisher (from FIG. The distance from the inlet to the outlet of the flow path of the fire extinguisher) can be the same length. In addition, although the amount of medicine CP enclosed in the discharger 10 of the present embodiment and the fire extinguisher of the prior art is 2 liters, other amounts of medicine may also be used.

1C , 7A and 7B, as shown in the case of the case where the number of nozzles 55 is two, for example, in the case of the discharger 10 in which the enclosed chemical amount CP is 2 liters and the discharger 10 with a plurality of nozzles 55 , the cross-section of the nozzle 55 can also be a circular shape. At this time, in the case of the discharger 10 having a plurality of nozzles 55 , the cross-sectional area S3 of one flow path 16 (third discharge pipe 19 ) is smaller than that in the case of one nozzle 55 , that is, 125 square mm size composition. In the discharger 10 in which the enclosed chemical amount CP is 2 liters, the time required to complete the spraying (discharging) of 2 liters of chemical is the same when there is one nozzle and when there are a plurality of nozzles. The cross-sectional area of one flow path 16 when there is one (for example, 250 square millimeters) and the sum of the cross-sectional areas of the plurality of flow paths 16 when there are plural nozzles (for example, 125 square millimeters × 2 = 250 square millimeters) become constructed in the same way. With the above-described configuration, even if a plurality of nozzles 55 are provided, the same performance as when the number of nozzles 55 is one can be obtained. In addition, when there are plural nozzles 55, the cross-sectional area S3 of the third discharge pipe 19, which is the flow path leading to the nozzles 55, must be minimized.

The magnitude order of the cross-sectional area S exemplified in the pressurization formula of the present embodiment is S1 > S2 > S3 . The cross-sectional area S1 of the first discharge pipe 17, which is the flow path on the side where the fire control agent 99 starts to flow, becomes the largest, and the cross-sectional area S3 of the third discharge pipe 19 closest to the nozzle 55 (about 80% of the cross-sectional area of S1) Be the smallest way to compose. In addition, the cross-sectional area S exemplified in the pressure accumulating type of the present embodiment is large. The minimum is S1=S2=S3, and the cross-sectional area of all the flow paths is the same. In the general accumulator type, a valve is provided between the first discharge pipe 17 and the second discharge pipe 18, and the valve is opened according to the operation of the handle 60, so the structure is S2 is smaller than S1; however, in the pressure accumulating type of the present embodiment, by providing a sealing plate 71 between the first discharge pipe 17 and the second discharge pipe 18 as shown in FIG. Since S1 and S2 have the same cross-sectional area, the fire control agent 99 can be made to flow to the flow path on the downstream side without reducing (changing) the flow rate of the fire control agent 99 . In addition, the cross-sectional area S of the pressurized type shown in FIGS. 1A to 1C may be configured as S1=S2=S3. By configuring in this way, the flow rate of the fire control agent 99 can be reduced (changed) without being reduced (changed). The effect of making the fire control agent 99 flow to the downstream flow path. In addition, the shape of the cross section of the flow path 16 may be a shape such as an oval shape or a rectangular shape in addition to a circular shape.

In addition, the ratio of the capacity CP (medicine amount CP) of the fire control agent stored in the pressure-resistant container 11 of the discharger 10 of the present embodiment to the cross-sectional area S of the flow path 16 is constituted so as to form the following relational expression .

(Relational expression) (the amount of medicine stored in the pressure-resistant container 11 CP): (the cross-sectional area S of the flow path 16)=(2 liters): (50 square millimeters or more, preferably 80 square millimeters or more, more preferably 100 square millimeter or more, the upper limit is, for example, 600 square millimeters or less, preferably 500 square millimeters or less, more preferably 400 square millimeters or less)

When it is 1 liter, the dose CP: cross-sectional area S=1 liter: (25 square millimeters or more, preferably 40 square millimeters or more, more preferably 50 square millimeters or more, the upper limit is, for example, 300 square millimeters or less, It is preferably 250 square millimeters or less, more preferably 200 square millimeters or less). As described above, by using a cross-sectional area S formed to be 25 square millimeters or more with respect to a capacity CP of 1 liter, it is possible to enclose the fire control agent 99 in the pressure-resistant container 11 regardless of the capacity CP of the fire control agent 99 in the pressure-resistant container 11. The fire control agent 99 of the pressurized container 11 is sprayed (discharged) in less than 10 seconds. In addition, although the ratio of capacity CP to cross-sectional area S is shown as an example of 1 liter: 25 square millimeters or more, a preferable example is capacity CP: cross-sectional area S=1 Liter: 125 square millimeters or more. In addition, it is preferable to use a low-resistance flow path 16 so that the fire control agent 99 in the pressure-resistant container 11 can be discharged instantaneously.

The cross-sectional area S of the flow path 16 by which the amount of medicine CP enclosed in the pressure-resistant container 11 can be sprayed (discharged) within 10 seconds to 2 seconds is as follows.

(Carrying type 1) In the case of a 0.2 liter dose CP, the cross-sectional area S must be 5 square millimeters or more. The cross-sectional area S is preferably 25 square millimeters or more, more preferably 50 square millimeters or more, and the upper limit can be 300 square millimeters or less.

(Carrying type 2) In the case of a 0.5 liter dose CP, the cross-sectional area S must be 12.5 square millimeters or more. The cross-sectional area S is preferably 25 square millimeters or more, more preferably 62.5 square millimeters or more, and the upper limit can be 300 square millimeters or less.

(Portable type 1) When it is a 1 liter dose CP, the cross-sectional area S must be 25 square millimeters or more. The cross-sectional area S is preferably 125 square millimeters or more, and the upper limit can be 300 square millimeters or less.

(Portable type 2) In the case of a 2-liter dose CP, the cross-sectional area S must be 50 square millimeters or more. The cross-sectional area S is preferably 250 square millimeters or more, and the upper limit can be 600 square millimeters or less.

(Portable type 3) When it is 3 liters of medicine volume CP, it must be a cross-sectional area S of 75 square millimeters or more. The cross-sectional area S is preferably 375 square millimeters or more, and the upper limit can be 900 square millimeters or less.

(Portable type 4) In the case of a 4 liter dose CP, the cross-sectional area S must be 100 square millimeters or more. The cross-sectional area S is preferably 500 square millimeters or more, and the upper limit can be 1200 square millimeters or less.

(Portable type 5) When it is a 5 liter dose CP, the cross-sectional area S must be 125 square millimeters or more. The cross-sectional area S is preferably 625 square millimeters or more, and the upper limit can be 1500 square millimeters or less.

(Portable type 6) In the case of a 6-liter dose CP, the cross-sectional area S must be 150 square millimeters or more. The cross-sectional area S is preferably 750 square millimeters or more, and the upper limit can be 1800 square millimeters or less.

(Fixed type type 1) When it is 16 liters of medicine volume CP, it must be a cross-sectional area S of 400 square millimeters or more. The cross-sectional area S is preferably more than 2000 square millimeters, and the upper limit can be 4800 square millimeters or more Down.

For example, in the case of spraying (discharging) the amount of medicine CP enclosed in the pressure-resistant container 11 within 2 seconds, the lower limit value of the cross-sectional area S [square millimeter]=125×the amount of medicine CP [liter] constitute. In addition, in the case of spraying (discharging) the amount of medicine CP enclosed in the pressure-resistant container 11 within 5 seconds, the lower limit value of the cross-sectional area S [square millimeter] = 50×the amount of medicine CP [liter]. constitute. In addition, in the case of spraying (discharging) the amount of chemical CP enclosed in the pressure-resistant container 11 for 10 seconds or more (in the case of a conventional fire extinguisher), the upper limit value of the cross-sectional area S [square millimeter]=25 ×The dosage is composed of CP [liter].

D[毫米]、設壓力為P[百萬帕]、設流量係數為Cp，則對於最小剖面積S(設流通路徑16的長度幾乎不變)的流量Q係能夠以如下的式子表示。 When the lengths of the flow paths 16 are the same and the cross-sectional area S of the flow path 16 is made constant, the cross-sectional area S is proportional to the drug amount CP. Here, let the flow rate be Q [liter/min], and let the diameter of the flow path be

D [mm], the pressure is P [megapascals], and the flow coefficient is Cp, the flow rate Q for the minimum cross-sectional area S (the length of the flow path 16 is almost constant) can be expressed by the following equation.

D和長度而變化，亦因流通路徑的剖面形狀和粗糙度、材料而變化，當然亦因藥劑的物性和噴嘴構造而變化。 Among them, the flow coefficient Cp is not only due to the diameter of the flow path

D and the length vary, the cross-sectional shape and roughness of the flow path, and the material, and of course, the physical properties of the chemical and the nozzle structure.

(Constitution of a large-scale emission mechanism)

The discharger 10 of the present embodiment may include a wide-area discharge mechanism as a mechanism for spraying (discharging) the aqueous film-forming foam chemical as the fire control agent 99 in a foamed state over a wide-area protection area. The large-scale discharge mechanism is constituted by the nozzle structure, the number of nozzles, and the nozzle arrangement structure. According to the large-scale discharge mechanism of the discharger 10 of the present embodiment, the sprayed (discharged) fire control agent 99 can be sprayed (discharged) to an area of 1 square meter or more per liter, but it can also be configured as It is constituted by spraying (discharging) to a wider range of protection area (area of 4 square meters or more). In addition, in order to sufficiently secure the fire control effect, the upper limit of the sprayed (discharged) area is, for example, about 10 square meters per liter.

In addition, when the fire control agent 99 is sprayed (discharged), it is sprayed (discharged) in a foamed state, and the foaming magnification at this time is configured to be 2 times or more. Moreover, it is especially preferable to comprise so that it may be sprayed (discharged) at a foaming magnification of 4 times or more. Regarding the foaming magnification, the volume (volume) of 1 liter formed by spraying (discharging) 1 liter of fire control agent 99 is referred to as the foaming magnification. A volume (volume) of 2 liters is called a foaming magnification of 2 times, and a volume (volume) of 4 liters obtained by spraying (discharging) 1 liter of the fire control agent 99 is called a foaming magnification of 4 times. In addition, the system is configured so that the higher the foaming magnification, the larger the protective range area can be sprayed (discharged).

The fire control agent 99 sprayed (discharged) in the state of foam is configured to cover the fuel (flammable liquid) in the state of a foam layer. When the foaming magnification is 4 times, the thickness of this layer is constituted so as to be 1 mm or more. By forming the thickness of the layer to be 1 mm or more, volatilization and ignition of the flammable vapor of the fuel (flammable liquid) can be further controlled compared to a layer of 1 mm or less.

(Nozzle structure)

The nozzle 55 is configured to be able to spray (discharge) the aqueous film-forming foam chemical as the fire control agent 99 in a foamed state over a wide range of protection area areas. Hereinafter, as the nozzle 55, an F-type nozzle, a foam head nozzle, a diffuser nozzle, a foam head nozzle of a double-head oblique arrangement, and the like are exemplified.

First, the ejector 10 having the F-type nozzle as the nozzle structure will be described. FIG. 4 is a diagram showing the nozzle structure of the F-type nozzle, and is a side sectional view showing the whole of the pressurized discharger 10 having the F-type nozzle in detail. As shown in FIG. 8A , the F-shaped nozzle 55 is configured to have a third discharge pipe (third flow path) 19 that is flat and fan-shaped from a plan view. Moreover, by spraying (discharging) the fire control agent 99 from the F-type nozzle 55, the fire control agent 99 is made into a mist, and it is comprised so that a bubble may be encased in air by the force of discharge. In addition, although not shown in figure, by attaching a mesh-shaped metal mesh to the front-end|tip of the F-type nozzle 55, the fire control agent 99 can be made into the state of the foam with a high foaming magnification. In addition, the pressurized discharger 10 of FIG. 4 is different from the pressurized discharger 10 of FIGS. 1A to 1C only with the nozzle 55 , and other components are the same as those used in FIGS. 1A to 1C . , so the description is omitted. 1A to 1C , but not shown in FIG. 4 (for example, the carrying handle 52 , etc.) can of course be added to the discharger 10 of FIG. 4 . In FIG. 4 , although the first gas introduction pipe 57 on the upper side and the first gas introduction pipe 57 on the lower side are connected by a dotted line, they are actually connected by a hose.

Next, the ejector 10 having the foam head nozzle as a nozzle structure will be described. Figure 5 is a diagram showing the nozzle configuration of the foam head nozzle. (a) of FIG. 5 is a front view showing the foam head 100, and is a diagram showing a cross-section of the right half. (b) of FIG. 5 is a plan view showing the rotor 101 provided in the foam head 100 . (c) of FIG. 5 is a side sectional view of the rotor 101 . As shown in FIG. 1B , FIG. 1C , and FIG. 5( a ), when the fire control agent 99 discharged from the nozzle 55 is foamed and sprayed (discharged) to the outside, a foam head can be provided at the tip of the nozzle 55 100. In addition, a structure in which the nozzle 55 and the foam head 100 are integrated is used as the foam head nozzle 55 .

As shown in FIG. 5( a ), the foam head 100 includes a rotor 101 that generates a swirling flow, a metal mesh 102 , and an air hole 104 . The pressurized fire control agent 99 is configured to flow into the body of the foam head 100 through the third discharge pipe 19 and the opening 20 . The fire control agent 99 that has flowed into the main body is discharged in the direction of the wire mesh 102 while the rotor 101 rotates.

As shown in FIG. 5( a ), the rotor 101 is fixed to the shaft 106 . Moreover, as shown in FIG.5(b), the rotor 101 is provided with three through-holes 105a, 105b, 105c. As shown in FIG. 5( c ), the through holes 105 a , 105 b , and 105 c are formed in a shape inclined from the center side to the outside so that the fire control agent 99 that has flowed into the foam head 100 body flows into the through holes 105 a , 105 b , 105c. Further, the fire control agent 99 that has flowed into the through holes 105a to 105c is discharged in the direction of the metal mesh 102 while helically rotating to form a swirling flow. The fire control agent 99 discharged from the rotor 101 entrains the air from the air holes 104 and the air when passing through the metal mesh 102, and is discharged to the outside in a foamed state.

Next, the ejector 10 having the diffusion nozzle as the nozzle structure will be described. FIG. 6 is a diagram showing the nozzle configuration of the diffuser nozzle. FIG. 6A shows a top view of the diffuser nozzle 55 . FIG. 6B is a side view of the diffusion nozzle 55 . FIG. 6C is a front view of the diffuser nozzle 55 .

The diffusion nozzle 55 includes a deflector 201 and a metal mesh 202 . As shown in FIG. 6C , the guide 201 is composed of an upper guide 201a having a horizontally long rectangular shape and a lower guide 201b having a horizontally long rectangular shape and a larger area than the upper guide. As shown in FIG. 6B , the upper guide 201a is formed in a shape that spreads upward at a predetermined angle. On the other hand, as shown in FIG. 6A, the lower guide 201b is formed in the shape which spreads in the left-right direction at a predetermined angle. Further, as shown in FIG. 6C , the upper guide 201a and the lower guide 201b are formed with a plurality of rectangular slits, and more specifically, rectangular slits 220a to 220d are formed. In addition, a metal mesh 202 is attached to the front side of the guide 201, and the fire control agent 99 flowing from the third discharge pipe 19 and the opening 20 is configured to entrain air when passing through the metal mesh 202, and is discharged in a foamed state. to the outside.

The fire control agent 99 flowing from the third discharge pipe 19 is discharged from the opening 20 to the upper guide 201a and the lower guide 201b. Part of the fire control agent 99 discharged from the opening 20 is, as shown by the one-dot chain line in FIG. 6A , and is configured to be sprayed along the rear surface of the lower guide 201b by the lower guide 201b ( emission). Specifically, a part of the fire control agent 99 discharged from the opening 20 is configured to be sprayed (discharged) in the oblique front left direction and the oblique front right direction along the rear surface of the lower guide 201b. Further, a part of the fire control agent 99 discharged toward the lower guide 201b is configured to be sprayed (discharged) on the front side of the lower guide 201b by passing through the slits 220a, 220b, 220c of the lower guide 201b. Specifically, the fire control agent 99 passing through the slit 220a is configured to be separated when passing through the slit 220a, and then sprayed (discharged) obliquely forward to the right as shown in FIG. 6A; the fire control agent 99 passing through the slit 220b The fire control agent 99 passing through the slit 220c is structured to separate when passing through the slit 220b, and then sprayed (discharged) in the forward direction as shown in FIG. Spray (drain) diagonally forward to the left as shown.

Further, a part of the fire control agent 99 discharged from the opening 20 is configured to be sprayed (discharged) on the rear side of the upper guide 201a through the upper guide 201a as shown by the one-dot chain line in FIG. 6B . Specifically, a part of the fire control agent 99 discharged from the opening 20 is configured to be sprayed (discharged) obliquely upward and forward along the rear surface of the upper guide 201a. Further, a part of the fire control agent 99 discharged toward the upper guide 201a is configured to be sprayed (discharged) on the front side of the upper guide 201a by passing through the plurality of slits 220d provided in the upper guide 201a. Specifically, the fire control agent 99 passing through the plurality of slits 220d is separated while passing through the slits 220d, and then sprayed (discharged) in the forward direction as shown in FIG. 6A .

Next, the ejector 10 having the foam head nozzles arranged at a double head angle as a nozzle structure will be described. FIG. 7 is a diagram showing the nozzle configuration of the foam head 100 in a double-headed angled configuration. FIG. 7A is a top view showing the nozzle configuration of the foam head 100 in a double headed angled configuration. Figure 7B is a side view showing the nozzle configuration of the foam head 100 in a double headed angled configuration. When the fire control agent 99 discharged from the nozzle 55 is foamed and sprayed (discharged) to the outside, a plurality of foam heads 100 can be provided at the front end of the nozzle 55 . In addition, a structure in which the nozzles 55 and the plurality of foam heads 100 are integrated is used as the foam head nozzle 55 . As for the nozzle structure that can spray (discharge) widely in the left-right direction, it is preferable to adopt a double-head oblique arrangement in which two foam heads 100 are installed at a predetermined angle (α degree) as shown in FIG. 7A . Nozzle configuration of foam head 100. In addition, the aforementioned foam head 100 is used for the foam head 100 .

(Number of nozzles)

The number of nozzles 55 provided in the discharger 10 is preferably as shown in FIG. 1A to FIG. 1C and FIG. 7A , and a plurality of nozzles 55 (foam head nozzles) are provided on the left and right in a plan view when the nozzles 55 (foam head nozzles) face the combustible material 200 . (eg 2). In addition, as shown in FIGS. 2 and 3 , one nozzle 55 may be provided, or as shown in FIG. 7B , a plurality of (for example, two) nozzles 55 (foam head nozzles) may be provided up and down in a side view as shown in FIG. 7B . ), as shown in FIG. 7A , a plurality of nozzles 55 may be installed at different positions in the circumferential direction. In addition, in one nozzle 55, although it is also preferable to provide a plurality of holes (a plurality of openings 20) for spraying (discharging), one spraying (discharging) hole (one opening 20) may also be used. ). In addition, when the nozzle 55 is configured to be arranged in plural (for example, two) up and down as shown in FIG. 7B , the upper nozzle 55 may be configured to spray (discharge) the fire control agent 99 away from the nozzle 55 . remote location (remote), while the lower nozzle 55 is configured to control the fire The agent 99 is sprayed (discharged) close to the nozzle 55 (close distance). In addition, the nozzle 55 on the upper surface may be used for a short distance, and the nozzle 55 on the lower surface may be used for a long distance. With the above-described configuration, the layer of the fire control agent 99 can be generated at a certain distance or more (1 mm or more) at both short and long distances. In addition, the configuration may be such that the fire control agent 99 is sprayed (discharged) to a short distance (those with a large cross-sectional area) by making the cross-sectional area S of the flow path 16 of the nozzle 55 connected to the upper surface and the nozzle 55 connected to the lower surface different from each other. time), long distance (when the cross-sectional area is small).

(Nozzle arrangement structure)

When a plurality of nozzles 55 (foam head nozzles) are used, it is preferable to form an angular arrangement with α degrees as shown in FIG. 7A . Here, α is an example showing 15 degrees, but α is preferably 5 degrees to 45 degrees. In addition, as shown in FIG. 7B , a plurality of nozzles 55 may be arranged in the up-down direction in a side view of the state in which the nozzle 55 faces the combustible material 200 instead of in the left-right direction in a plan view, and may be configured in the left-right direction. A plurality of (for example, two) nozzles 55 are provided, and a plurality of (for example, two) nozzles 55 are arranged in the vertical direction. In addition, a nozzle structure, the number of nozzles, and a nozzle arrangement structure capable of spraying (discharging) the same amount of the fire control agent 99 to a predetermined range (for example, about 4 square meters/1 liter) are preferable. In addition, the nozzle 55 may be inclined and fixed upward by several degrees.

(Constitution of Safe Discharge Mechanism)

The discharger 10 of the present embodiment may also be provided with a safety discharge mechanism to reduce the discharge sound when the fire control agent 99 is sprayed (discharged), and to reduce the reaction to the operator when the fire control agent 99 is sprayed (discharged) powerful institution. The safety discharge mechanism of the discharger 10 of this embodiment is constituted by a silent mechanism and a low reaction force mechanism.

(silent mechanism)

For example, as described in the above-mentioned number of nozzles, a plurality of holes for spraying (discharging) are provided in one nozzle 55 . By providing a plurality of holes for spraying (discharging) as described above, the discharge sound when the fire control agent 99 is sprayed (discharged) can be dispersed, whereby the discharge sound can be reduced. Furthermore, by reducing the discharge sound as described above, It can avoid intimidating prisoners in the event of arson terrorist attacks, etc.

(low reaction force mechanism)

Next, the low reaction force mechanism will be described with reference to FIGS. 8A to 8C . 8A to 8C are diagrams showing a circumferential direction discharge mechanism as a low reaction force mechanism. The system is configured as follows (circumferential discharge mechanism): As shown in FIG. 8A, the fire control agent 99 sprayed (discharged) from the nozzle 55 is sprayed in the circumferential direction (fan shape with a center angle of β 1 degree) in a plan view. (discharge), and as shown in FIG. 8B, the fire control agent 99 sprayed (discharged) from the nozzle 55 is also sprayed (discharged) in the circumferential direction (fan shape with a central angle of γ degrees) in a side view, Thereby, the vector (vector) of the reaction force with respect to spraying (discharge) is dispersed as indicated by the arrows of the one-dot chain line in the drawing, so that the reaction force to the operator is reduced. In addition, regarding the circumferential direction (horizontal direction in the normal spraying state) shown in FIG. 8A in plan view, it is configured to spray (discharge) from the nozzle 55 at an angle of β 1 degree, which is β 1 degree. in the range of 30 degrees to 120 degrees.

In addition, with respect to the circumferential direction (the vertical direction in the normal spraying state) in the side view shown in FIG. 8B , it is configured to spray (discharge) from the nozzle 55 at an angle of γ degrees, which is 15 degrees. degrees to 90 degrees.

In addition, the system is configured as follows (circumferential discharge mechanism): As shown in FIG. 8C , in plan view, the fire control agent 99 sprayed (discharged) from the two nozzles 55 (foam head nozzles) is arranged in the circumferential direction (the center angle is β 2 degrees fan shape) is sprayed (discharged), and as shown in FIG. 8B , the fire control agent 99 sprayed (discharged) from the nozzle 55 is also sprayed (discharged) from the nozzle 55 in the circumferential direction (with a center angle of γ degrees) as shown in FIG. 8B . fan shape) spray (discharge), whereby the vector of the reaction force with respect to the spray (discharge) is dispersed, so that the reaction force to the operator is reduced. In addition, regarding the circumferential direction in the plan view shown in FIG. 8C , it is configured to spray (discharge) from the nozzle 55 at an angle of β 2 degrees, which is a range of 90 degrees to 150 degrees.

In addition, as shown in FIG. 7A and FIG. 8C , a plurality of nozzles 55 are provided with angles of α degree and β 2 degrees, and the fire control agent 99 is sprayed in different directions. (discharge), by making the reverse relative to the spray (discharge) as shown in FIGS. 8A and 8B The vector of the acting force is dispersed, so the reaction force to the operator is reduced. In addition, a circumferential direction discharge mechanism may also be used for one nozzle 55 of the oblique-angle plural nozzle discharge mechanism. With the configuration as described above, it is possible to configure a low reaction force mechanism with a lower reaction force than the oblique angle plural nozzle discharge mechanism. In addition, the low reaction force mechanism is preferably constituted by a circumferential direction discharge mechanism and an oblique angle plural nozzle discharge mechanism, but may be constituted only by any one of them.

Next, in order to control a fire, the preferable relationship of the fuel (flammable liquid) splashed and the quantity of chemical|medical agent required for control is demonstrated.

(1) Gasoline: water film-forming foam = 1: 0.3 or more

For 1 liter of gasoline, more than 0.3 liter of AFFF is required.

(2) Gasoline: synthetic surfactant foam = 1:1 or more

For 1 liter of gasoline, more than 1 liter of synthetic surfactant foam is required. Synthetic surfactant foams require larger amounts than aqueous film-forming foams (more than 3 times the amount of aqueous film-forming foams).

(3) Kerosene: water film formation = 1: 0.1 or more

For 1 liter of kerosene, more than 0.1 liter of water is required to form a film. The ignition point of kerosene is higher than that of gasoline, so the dosage of the chemical can be reduced.

Next, the protection range area S4 will be described. 9A to 9C are diagrams showing the protection range area S4. As shown in FIG. 9A , the fire protection range (protection range area S4 ) that can be controlled by using the nozzle 55 of type A is a substantially square range. In addition, when the nozzle 55 of the type B different from the nozzle of the type A is used, the fire-controllable protection range area S4 is a substantially rectangular range as shown in FIG. 9B . In addition, when the nozzle 55 of type C, which is different from the nozzles of type A and type B, is used, the area S4 of the protection range that can control the fire is, as shown in FIG. 9C , the rectangle rotated by 90 degrees when the nozzle 55 of type B is used. A roughly rectangular range of shapes. Here, the so-called protection range area S4 refers to the area where the fire control agent 99 in an amount (thickness) effective for extinguishing and ignition control is sprayed. Fire control agent sprayed 99 by volume after foaming (eg, 4 times foaming rate) The thickness of the effective fire control agent 99 is more than 1 mm. The protection range area S4 is smaller than the area actually sprayed (discharged), and is the area in which the thickness of the fire control agent 99 is 1 mm or more in the area actually sprayed. Moreover, even if the type of the nozzle 55 differs, the protection range area S4 which can control a fire can also be comprised so that it may all be the same area. In addition, the shape of the protection range area is not limited to the above-mentioned substantially square and substantially rectangular shape, and a substantially trapezoidal shape, a substantially circular shape, a substantially elliptical shape, and the like can be appropriately selected.

In addition, (nozzle selection mechanism) may be configured such that the nozzles of type A, type B, and type C can be selected and used by attaching nozzles of type A, type B, and type C to one discharger 10 . For example, the nozzles 55 of type A to type C can be installed in the circumferential direction of the discharger 10, respectively, and the type of nozzle 55 to be used can be selected by rotation, and the nozzle of type B can be used in the case of a wide channel or the like, In the case of a narrow passage or the like, a nozzle of type C is used, whereby the protective range of spraying (discharging) of the fire control agent 99 can be changed according to the situation. By selecting and using the type of the nozzle 55 as described above, the effect of spraying (discharging) the fire control agent 99 to the optimum protected area can be achieved. In addition, the nozzle selection mechanism is applicable to the discharger 10 regardless of the portable type, the portable type, or the stationary type.

Next, the relationship between the chemical amount CP and the fire-controllable protection range area S4 will be described. Here is a series of examples when the thickness of the foam that can be controlled is 1 mm and the foaming magnification is 4 times.

(Portable type 1) When it is 0.2 liters of chemical dose CP, it can control the fire of the protection range area S4 of 0.8 square meters.

(Portable type 2) When it is 0.5 liter of chemical dose CP, it can control the fire of the protection range area S4 of 2 square meters.

(Portable type 1) When it is 1 liter of chemical dose CP, it can control the fire of the protection range area S4 of 4 square meters.

(Portable type 2) When it is a 2 liter dose of CP, it can control the protection range of 8 square meters Fire in area S4.

(Portable type 3) When it is 3 liters of chemical dose CP, it can control the fire of the protection range area S4 of 12 square meters.

(Portable type 4) When it is 4 liters of chemical dose CP, it can control the fire of the protection range area S4 of 16 square meters.

(Portable type 5) When it is 5 liters of chemical dose CP, it can control the fire of the protection range area S4 of 20 square meters.

(Portable type 6) When it is 6 liters of chemical dose CP, it can control the fire of the protection range area S4 of 24 square meters.

(Fixed type type 1) When it is 16 liters of chemical dose CP, it can control the fire of the protection range area S4 of 64 square meters.

That is, S4 [square meter]=4×medicine amount CP [liter].

In addition, the conventional fire extinguisher in which 2 liters of the chemical is enclosed as described above is configured to be able to spray (discharge) substantially the entire amount of the chemical in a time of 10 seconds or more. Therefore, there is sufficient time from the spraying of the fuel (flammable liquid) to the ignition, so that the fuel is easily ignited, and the fuel volatilizes and explodes before spraying (discharging) the chemical on the sprayed fuel. In addition, the conventional fire extinguisher system cannot spray (discharge) the chemical in a large area without rotating the nozzle to spray (discharge) the chemical, so the large-scale spraying (discharge) of the chemical is a problem.

In addition, the arson fire prevention device and arson control system of the prior art use sensors to judge arson behavior, and take preventive measures by light and sound, water spray, and water spray, etc. The problem of arson in the case of highly volatile fuel (flammable liquid) such as gasoline. Moreover, not only the cost of the apparatus itself is very high, but also the installation and construction etc. also have the problem that cost and time are consuming an automatic type apparatus.

According to the configuration shown in the aforementioned first embodiment, the following concepts can be extracted. However, the concepts described below are merely examples, and it is needless to say that these concepts are combined and separated (superior conceptualization), and concepts based on further configurations shown in the first embodiment may be added to these concepts.

It is difficult to prevent man-made fires caused by arson terrorist attacks caused by people deliberately spilling fuel (flammable liquid) and igniting them. The subsequent fire extinguishing treatment is also extremely difficult. In view of this, the following lists the chemical discharge method and the control chemical discharge device. By using a control chemical discharge device that can be moved, the chemical is mainly discharged to a large area on the ground in a short time, thereby controlling people. Evacuation routes can be secured by controlling the volatilization of the fuel after the intentional splashing of the fuel and controlling the ignition and explosive combustion of the fuel.

(Pharmaceutical discharge method)

It is possible to provide a chemical discharge method of flowing a chemical (for example, the fire control agent 99 ) having a flameproof effect stored in a storage container (for example, the pressure-resistant container 11 ) that can be moved to a flow path (for example, a flow path) 16) After that, while expanding the flow of the medicine along with the flow of the medicine, the medicine is ejected from the opening (for example, the opening 20) to discharge the medicine to the object (for example, the combustible material 200). The volume of 1 liter of the medicine stored in the storage container is a cross-sectional area of 25 square millimeters or more. Moreover, in this chemical|medical agent discharge method, it is comprised so that the chemical|medical agent stored in the storage container may be discharged within 2 seconds, for example.

(chemical discharge device for fire control)

In addition, it is possible to provide a fire control chemical discharger comprising: a storage container (for example, the pressure-resistant container 11 ), which stores a chemical (for example, a fire control agent 99 ) having an anti-combustion effect, and can be moved with it; A flow path (for example, the flow path 16 ) is a flow path for the medicine to flow and has a cross-sectional area of 25 square millimeters or more for 1 liter of the volume of the medicine, and expands the flow of the medicine with respect to the flow direction; and an opening (for example, The opening 20) is communicated with the flow path, so that the medicine is sprayed while being diffused.

As described above, although the present invention has been described in terms of its embodiment, it should not be construed as The present invention is defined by the disclosed part of the description and drawings. It goes without saying that those skilled in the art can conceive of various modifications or amendments within the scope described in the scope of the patent application, and it should be understood that these modifications and amendments also belong to the technical scope of the present invention. . In addition, each component of the above-mentioned embodiment can be combined arbitrarily in the range which does not deviate from the summary of this invention. As described above, it is needless to say that the present invention includes various embodiments and the like that are not described in this specification.

This patent application is based on Patent Application No. 2020-080214 filed in Japan on April 30, 2020 and Patent Application No. 2021-065508 filed in Japan on April 7, 2021, and The contents thereof are incorporated into this specification by reference.

10: Discharger (medicine discharger for fire control)

11: Pressure vessel

15: The third gas introduction pipe

16: Circulation path

17: First ejection pipe (first flow path)

18: Second ejection pipe (second flow path)

19: Third ejection pipe (third flow path)

20: Opening

50: Nozzle unit

51: Cap nut

52: Portable handle

55: Nozzle

57: First gas introduction pipe

58: Second gas introduction pipe

60: Handle

61: Fixed handle part

62: Movable handle part

63: Safety buckle

64: Safety latch

65: Punching knife

66: Pin

70: Gas cartridge (gas container)

71: Sealing plate

72: Gas tank cover

99: Fire Control Agents

Claims (12)

A fire control method is to discharge a chemical with volatilization control of fuel or an anti-combustible effect on combustibles to more than 1 square meter per 1 liter of the chemical, and the discharge is completed within 10 seconds from the start of discharge. The fire control method according to claim 1, wherein the chemical agent is discharged within 5 seconds and is completed. The fire control method according to claim 1 or 2, wherein the chemical is discharged to 4 square meters or more per liter. The fire control method according to any one of claims 1 to 3, wherein the chemical contains at least one selected from the group consisting of a surfactant and a phosphate-based flame retardant. The fire control method according to any one of Claims 1 to 4, wherein the chemical contains a group consisting of fluorine-based surfactants, hydrocarbon-based surfactants, silicon-based surfactants, other surfactants, phosphoric acid At least 2 kinds selected from the group consisting of salt flame retardants, tackifiers, flame retardants, and freezing point depressants. The fire control method according to any one of claims 1 to 5, wherein the chemical is discharged before the fire is ignited. A fire control chemical discharge device is configured to include: a storage container for storing a chemical that has a volatilization control of flammable liquids or an anti-flammable effect on combustibles; a circulation path communicates with the storage container and has a The volume of the medicine is 1 liter and the cross-sectional area is more than 25 square millimeters; and the opening part is communicated with the flow path, and the medicine is sprayed while diffusing; wherein, the medicine is discharged to 1 square meter per 1 liter of the medicine In the above, the discharge was completed within 10 seconds from the start of the discharge. The chemical discharger for fire control according to claim 7, wherein the chemical is discharged within 5 seconds. The chemical discharger for fire control according to claim 7 or 8, wherein the chemical is discharged to 4 square meters or more per 1 liter. The chemical discharger for fire control according to any one of claims 7 to 9, wherein the opening is provided with a metal mesh, and the chemical is discharged to the outside in a state of being entangled in air and foamed. The chemical discharger for fire control according to any one of claims 7 to 10, wherein, when the center of the discharge range of the chemical is set in the horizontal direction, the chemical is arranged at an angle of 30 degrees to 150 degrees in the horizontal direction. Scope discharge, discharge in a range of 15 degrees to 90 degrees in the vertical direction. A fire control method comprising discharging the chemical agent from the fire control chemical agent discharger according to any one of claims 7 to 11.

Images