111results about How to "Shorten fire fighting time" patented technology

The invention discloses a lithium ion battery fire test cabinet with a self-assembled automatic alarm and fire extinguishment system. The lithium ion battery fire test cabinet with the self-assembled automatic alarm and fire extinguishment system mainly comprises a fire cabinet main body, an automatic alarm system, a battery fixing bracket, a heat source simulation system, a measuring and monitoring system, a fire extinguishing system and a smoke discharging system. By virtue of multi-modulation, the sensitivity and response characteristics of different types of fire detectors (smoke sensing detectors, temperature sensing detectors or integrated smoke and temperature sensing detectors and the like) after the lithium ion battery is fired can be simulated; the lithium ion battery fire test cabinet with the self-assembled automatic alarm and fire extinguishment system is suitable for researching the factors such as the fire extinguishment effects (comprising actual fire extinguishing time and the use amount of fire extinguishing agents and the like) of various gas fire extinguishing agents in lithium ion battery fire, the influence of different fire extinguishing agents on the performance of the lithium ion battery after extinguishing the fire and the like. According to the lithium ion battery fire test cabinet with the self-assembled automatic alarm and fire extinguishment system, a vertical fire extinguishing agent releasing pipeline is self-designed according to a fire cabinet body, so that the fire extinguishing agent can be fully released into a battery cabinet within short time after the battery is fired, thus the fire extinguishing time is greatly shortened, the use amount of the fire extinguishing agent is reduced, the fire extinguishing cost is reduced, and the damage to the lithium ion battery is reduced.

The invention discloses a fireproof alarm system for intelligent buildings, and belongs to the field of fire safety. The technical scheme point thereof comprises a detection module, an early warning module, an alarm module, a person recognition module and a central control module. The detection module detects the temperature and the smoke concentration situation in a security area, the detection module controls the early warning module to perform small-range alarm on a detected area and collects image information of the detected area when a suspected fire occurs, and the detection module controls the alarm module to alarm all areas and collects images of all areas when the fire is detected. The person recognition module transmits an image where someone may exist in the image information toa central processing module. The central processing module displays the image information, and the staff controls the other modules according to the image information through the central processing module, thereby solving the problem that the suspected fire in the security area is difficult to deal with, and achieving the effect that the staff correspondingly responds through the image information.

The invention discloses an unmanned mechanical garage movable type fire fighting system and method. The system comprises a garage. The garage is provided with a plurality of parking positions, three stacking machine and a fire fighting water system. A temperature sensing detector and a smoke sensing detector are arranged on the top of each parking position. Among the parking positions, two are fire fighting emergency parking positions, and a fire fighting foam monitor is arranged in one fire fighting emergency parking position. Among the two stacking machines of the garage, one is a small specially-manufactured stacking machine which shares a track with the two stacking machines, and the small specially-manufactured stacking machine is provided with a movable automatic fire hydrant. The body of the fire fighting foam monitor is provided with an infrared thermal imaging detector, a horizontal detecting locator and a vertical detecting locator. A negative pressure type proportional mixeris installed on the top of a foam liquid storing tank and connected to a fire hydrant system through a fire fighting water belt. The system has the beneficial effects that the stacking machines serveas carriers of a fire fighting device, fixed-point spraying is carried out close to the fire extinguishing position, starting is fast, moving is flexible, and locating is accurate.

The invention discloses a fire fighting robot fire monitor control method based on fire source positioning and recognition. The method comprises the steps that a calibrated binocular infrared camera is utilized for recognizing a fire source and positioning the center point of the fire source, and according to position deflection obtained in two images collected by the binocular infrared camera atthe fire source center point, the distance between the fire source center point and a fire fighting robot is calculated and determined as the fire source center point depth; the fire source center point depth serves as the position parameter of the fire source center point in the three-dimensional space; jet flow track models are established, the yaw angle between a fire monitor and the fire source center point and the vertical distance between the fire source center point and the binocular infrared camera are calculated and serve as fire source center point three-dimensional position parameters; and the pitching angle is calculated, the fire monitor is controlled, and accordingly the fire monitor jet flow track fall point serves as the fire source center point. By means of the fire fighting robot fire monitor control method, the fire monitor of the fire fighting robot can be efficiently, rapidly and conveniently controlled to aim at the fire source, the fire monitor angle adjusting time is saved, the fire fighting work difficulty can be lowered, and efficiency is improved.

Relating to the field of fire-fighting equipment, the invention provides a median-multiple fire-fighting foam monitor, which mainly solves the defects existing in single-multiple and median-multiple fire-fighting foam monitors. The median-multiple fire-fighting foam monitor includes a connecting pedestal, launch foam barrels and a pipeline barrel frame connecting the connecting pedestal and the launch foam barrels. The connecting pedestal, the pipeline barrel frame and the launch foam barrels are equipped with a mixed solution channel communicated with a mixed foam solution. The launch foam barrels include barrel bodies and nozzles disposed at front ports of the barrel bodies. The foam monitor is characterized in that there exist multiple launch foam barrels, which are fixed on the pipeline barrel frame in a vertical direction and have the same launch direction. Specifically, a low multiple launch foam barrel is positioned below, and launch foam barrels higher than the low multiple launch foam barrel are positioned above. The mixed solution pipeline in the pipeline barrel frame is communicated with the nozzles of all launch foam barrels, and each nozzle is respectively located in the front port of a corresponding barrel body. Compared with traditional low multiple foam extinguishing systems, the fire extinguishing efficiency is improved; compared with traditional high multiple foam extinguishing systems, the launch range is increased.

The invention relates to a fire extinguishing device, in particular to a wind power and water power combined fire extinguishing device for fire protection and aims to achieve the technical effect of providing the wind power and water power combined fire extinguishing device for fire protection which is diversified in fire extinguishing manner, thorough in fire extinguishing and high in speed. To achieve the technical effect, the wind power and water power combined fire extinguishing device for fire protection comprises a rack, a sliding rail, a mobile plate, a water pump, a gear, a rotary motor, a cart, an air discharging pipe, a pipe, an air pump, a spray head, a first water feeding pipe, a second water feeding pipe and the like; and the right side of the top of a water tank is provided with the second water feeding pipe, the water tank is internally provided with the water pump, the right side of the water pump is provided with the first water feeding pipe, and the first water feeding pipe penetrates through the water tank. By means of the wind power and water power combined fire extinguishing device for fire protection, the effects that the fire extinguishing manners are diversified, fire extinguishing is thorough, and the speed is high are achieved, rapid fire extinguishing can be achieved through the device, a manner of combining wind power and water power is adopted for the device, and fire extinguishing time can be saved.

The invention discloses a seawater-resistant insoluble aqueous film-forming foam extinguishing agent and a preparation method thereof. The extinguishing agent comprises the following components in parts by weight: 300-400 parts of deionized water, 6-10 parts of sodium benzoate, 20-80 parts of urea, 5-9 parts of xanthan gum, 100-400 parts of Cocamidopropyl betaine, 20-60 parts of APG, 80-200 parts of ethylene glycol, 20-60 parts of ethylene glycol monobutyl ether, 10-50 parts of F1157, 10-50 parts of F1203, 10-60 parts of F1460 and 20-60 parts of a buffer agent. The seawater-resistant insoluble aqueous film-forming foam extinguishing agent is used for being mixed with seawater for fire extinguishing and has the advantages of low viscosity, high fire-extinguishing speed, high expansion rate, stable property, long storage time and the like.

The invention discloses a microcapsule fire-extinguishing agent. The microcapsule fire-extinguishing agent is composed of, by weight percentage, 82%-95% of a capsule inner core main material, 0%-5% of an additive and 2%-15% of a capsule shell, wherein the capsule inner core main material is an aqueous solution of water-soluble inorganic alkali metal potassium salt and / or water-soluble organic potassium salt; the additive is a mixture including one or more of epoxy resin, phenolic resin, sodium alkyl benzene sulfonate, sodium acrylate, silicone oil, fatty alcohol polyoxyethylene ether sodium sulfate, fatty alcohol polyoxyethylene ether ammonium sulfate, sodium lauryl sulfate and fatty alcohol polyoxyethylene ether; and the capsule shell is made of a colloid shell material. The microcapsule fire-extinguishing agent is safe to use, clean, environmentally-friendly, high in fire-extinguishing efficiency and wide in application range.

The invention discloses a metallic oxygen-containing phthalate extinguishment composition which comprises from 30% to 95% of metallic oxygen-containing phthalate compounds and from 5% to 70% of flame-retardant extinguishment components. Pyrotechnic compositions are used as a heat source and a power source of the extinguishment composition, by igniting the pyrotechnic compositions, the extinguishment composition is heated by high-temperature heat generated during combustion of the pyrotechnic compositions to be subjected to decomposition reaction, large quantities of substances capable of extinguishing fire are generated, and the extinguishment substances and the pyrotechnic compositions are ejected via a nozzle of a fire extinguishing apparatus, so that the purpose of extinguishing the fire is achieved. The extinguishment composition is simple in composition, stable in performance, easy to store for a long time and excellent in environment-friendly performance, and is non-toxic.

The invention relates to a field special composite fire detector which is characterized in that the composite detector is formed by adopting an infrared sensor module and a CCD component, wherein the infrared sensor module is fixed on a mounting block through compression joint; the mounting block is fixed on a box body; the upper part of the mounting block is provided with an infrared transmitting quartz glass; the infrared transmitting quartz glass is fixed on the upper part of the mounting block through a compressing block; an electronic circuit board is fixed in the box body, and an electronic circuit is arranged on the electronic circuit board; a side part of the box body is provided with an inlet connector and an outlet connector; a rain shade is arranged on the upper part of the box body, while a tripod head is arranged on the lower part of the box body. The invention can be arranged in various devices in a severe field environment with a non-contact mode, can early and rapidly detect an early fire alarm caused by temperature, overheating, sparkle, self-ignition and other reasons of the early fire, can be automatically switched to a field camera and an image visual system for a watchroom identifying a fire artificially, and can automatically adjust warning temperature, heating-up speed and sensitivity of the field special composite fire detector according to the field situation.

This invention relates to a mineral signal insulation cable including a conductor, an insulator and a jacket characterizing that all of the three are inorganic objects, the conductor is a core of twist copper wires, the insulator is pure MgO powder added with silicon oil and the jacket is a copper jacket formed by continuously welding and the MgO powder is set in the slot between the conductor and the jacket, the process of which is simple and advanced, the outer diameter is small and it's not necessary to protect it with pipes, good signal and phone communication can be kept in fire since it's smokeless and nonpoisonous.

The invention provides an environment-friendly missile-gun fire vehicle, which comprises a vehicle body. A gun barrel fixing platform is arranged on the upper side of the vehicle body, a gun barrel is fixed on the gun barrel fixing platform and comprises a magazine holder; a controller, an elevation angle driving motor, a rotating motor and an inert gas storage tank are arranged in the vehicle body; the elevation angle driving motor is connected with the gun barrel fixing platform through an elevation angle rotating gear plate; a rotary fort is arranged in the vehicle body, one end of the rotary fort is fixedly connected with the elevation angle rotating gear plate, and the other end of the rotary fort is connected with a gear of the rotating motor through the rotating gear plate; the inert gas storage tank is connected with the gun barrel through an air duct. According to the environment-friendly missile-gun fire vehicle, high-pressure gas is taken as a power source; after aiming at a fire source, the fire vehicle can fire a carbon dioxide fire extinguishing bomb to instantly extinguish flame and isolate oxygen, and firefighters do not need to arrive in a fire ground and can quickly extinguish the fire, so that the labor and the materials are saved, and the material and property loss caused by a fire disaster is reduced.

The invention provides a fine water mist-type water based extinguishing agent. The fine water mist-type water based extinguishing agent comprises a first fire extinguishing composition and a second fire extinguishing composition. According to the fine water mist-type water based extinguishing agent, water based extinguishing agent fire-extinguishing time and anti-reflash time are improved greatly because of water drop anchoring effect and spreading effect caused by electrostatic attraction among polymer additives with opposite charges; and at the same time, the degradability of the fine water mist-type water based extinguishing agent is much better than that of most water based extinguishing agents in the prior art, and less environmental influence is caused.

The invention discloses a composite additive for water mist fire suppression. The composite additive comprises 1 wt% to 5 wt% of ferrous lactate, 2 wt% to 30 wt% of sylvite, 2 wt% to 30 wt% of phosphate and the balance water. The preparation method of the composite additive comprises the step that the ferrous lactate, the sylvite and the phosphate are sequentially dissolved into the water to obtain the composite additive. The application method of the composite additive comprises the steps that the composite additive and water are diluted according to the proportion of 1:2-1:30; and then a water mist generator is filled with the diluted solution which is sprayed to a fireground for fire extinction. The ferrous lactate, the sylvite and the phosphate in the composite additive have a good synergistic flame retardant effect, so that the fire extinction time is greatly shortened, and the fire extinction and inflaming retarding performance is more excellent.

The invention discloses a visible universal fire-fighting lance which comprises a nozzle, a high pressure steel wire hose, a ball valve, a lance base and a direction adjusting rod. The two ends of the high pressure steel wire hose are provided with connectors correspondingly. The two connectors are in threaded connection with the nozzle and the ball valve correspondingly. The end, away from the corresponding connector, of the ball valve is in threaded connection with the lance base. The end, close to the nozzle, of the corresponding connector is provided with a first rotating shaft. The end, close to the ball valve, of the connector is provided with a second rotating shaft. The visible universal fire-fighting lance has the beneficial effects that when a fire of jet flow dead corners below a room beam, a window and the like needs to be put out by a firefighter on a fire field, the firefighter only needs to stand on a door or window, the wall of a building is used as a shield, the bending degree of the high pressure steel wire hose of the fire-fighting lance is adjusted through front-back pulling and retraction of the a handle, the water flow direction is changed, dead-corner-free fire extinction is achieved, safety of the firefighter is protected, meanwhile, a wireless camera collects images in real time and transmits the images to the firefighter, and the accurate position and fire intensity of a fire point are commanded.

The invention discloses a fire monitoring and automatic fire extinguishing system and a working method thereof. The system comprises a fire source monitoring system, a monitoring center and an automatic fire extinguishing system. The method comprises the steps: through a far-infrared high-definition automatic zoom thermal imager and a visible light high-definition fog-penetrating camera of the fire source monitoring system, acquiring thermal imaging and visible light images of a mountain forest in real time; then, respectively meshing the thermal imaging and the visible light images, further judging whether a fire source point exists in each thermal imaging grid and each image grid or not through an algorithm; and if the fire source point exists in the thermal imaging and the image in thesame grid, determining that a fire occurs at the position, so that the fire position can be sent to the automatic fire extinguishing system for automatic fire extinguishing. According to the invention, when an early fire source occurs, the early fire source can be found in time and accurately positioned for early warning, and meanwhile, the fire source can be extinguished quickly after early warning to prevent the fire source from developing into a larger fire, so that the property loss is effectively reduced, and the time required for extinguishing the fire is shortened.

The invention relates to a foam extinguishing agent containing a biosurfactant and a preparation method for the foam extinguishing agent. The problems that an existing foam extinguishing agent is liable to pollute the environment and the preservation time is short are mainly solved. The foam extinguishing agent containing the biosurfactant comprises, by weight, 10%-30% of rhamnolipid, 3%-15% of sophorolipid, 0.1%-0.5% of a thickening agent, and the balance water. The preparation method for the foam extinguishing agent comprises the steps that under the stirring condition, the rhamnolipid is added into a certain amount of water, and after even stirring, the sophorolipid is added; after even mixing, the mixture is heated to 80 DEG C-90 DEG C in a reaction kettle; after the mixture is cooled to the room temperature, sodium alginate is dissolved with 10% of water and added to the reaction kettle; and the balance water is added as a complement, and the mixture is mixed evenly. According to the foam extinguishing agent containing the biosurfactant, the fire extinguishing performance of the extinguishing agent can be improved, fast biodegradation of pollutant in a place where a fire disaster occurs is achieved, and thus the environment is protected.

The invention discloses a multifunctional high-rise lifesaving and fire extinguishing device. A foldable water tank (9) which is similar with a residential rain-sheltering canopy, capable of being lifted and collected and light in weight is arranged; a building top floor bearing support (1) is arranged on high-rise top floor beam columns (21) and is provided with a motor (4), lifting ropes (5) and a photovoltaic cell panel (2), and high-rise personnel, firemen and various fire protection devices can be transferred when the fire disaster occurs; balcony lifting switches (23) and balcony alarm devices (24) are arranged on various high-rise balconies (22); when the fire disaster occurs inside a high building, the foldable water tank (9) can be lifted so that people inside the high building can carry out self-rescue; the foldable water tank (9) can be fixed by a water tank open plate (7), a water tank base plate (8) and water tank fixing ropes (15); a ground floor fire protection box (31) is arranged on the ground floor of the high building and stores a fire protection power supply socket (25), a disaster-preventing standby cable (29) and various high-rise fire protecting and extinguishing devices (31), the disaster-preventing standby cable (29) is used for connecting the building to a building power source, mutual rescue of community residents is promoted, lifesaving and fire extinguishing are effective and timely, the cost is low, the operation is simple and convenient, and the economical efficiency and the practicality are high.

The invention provides a fine water mist water fire extinguishing agent. The water fire extinguishing agent is characterized by containing a first fire extinguishing composition and a second fire extinguishing composition. The fire extinguishing time and the recrudescence resisting time of the water fire extinguishing agent are largely improved through the water drop anchoring effect and the paving effect generated by electrostatic attraction between polymer additives with opposite charges; and meanwhile, the water fire extinguishing agent is better than most water fire extinguishing agents in the prior art in degradability, and is lower in environmental protecting influence.

The invention belongs to the field of fire fighting and extinguishment, and specifically relates to a mixed feed system of variable-flow foam and a fire fighting truck. The mixed feed system comprisesa frame body, an isolating board, a mixing and stirring mechanism, a centrifugal mechanism, a power transmission mechanism and a flow regulation mechanism, wherein a liquid inlet pipe is fixedly installed in the right end wall of the frame body, and the mixing and stirring mechanism is arranged in the right end of the frame body; a mixing rod is rotatably installed in the frame body in a penetrating mode, the left side of the mixing rod is rotatably connected to the middle of the isolating board in the penetrating mode, and the right end of the mixing rod is rotatably connected to a motor; the power transmission mechanism is arranged on the left side of the isolating board; the centrifugal mechanism is arranged on the left side of the power transmission mechanism; a conveying groove is formed in the left end of the mixing rod; and the flow regulation mechanism is fixedly connected to the lower end of a liquid outlet pipe by virtue of a flange plate. The mixed feed system is mainly used for solving the problems of waste and environmental pollution caused by incapability of controlling the amount of discharged foam and incapability of controlling the discharge distance of an existing foam extinguishing system.

The invention discloses a low-temperature S-type aerosol fire extinguishing agent. The low-temperature S-type aerosol fire extinguishing agent is composed of an oxidizing agent, a reducing agent, an adhesive, and a performance conditioning agent, the oxidizing agent employs strontium nitrate as a main mateiral, potassium nitrate as an auxiliary material, dicyandiamide as the reducing agent, and phenolic resin as the adhesive, and the conditioning agent selects potassium oxalate, magnesium powder and hexamethylene tetramine. The fire extinguishing agent can guarantee that corrosivity of the combustion products is reduced, good fire extinguishing usefulness is guaranteed, and fire extinguishing usefulness can reach 35 g / m<3> which is far lower than amount of a national standard. The fire extinguishing agent has excellent insulating properties, and can effectively protect the precision equipment and file in a combustion area. The reaction temperature of the fire extinguishing agent is about 600 DEG C, fire extinguishing time is shortened, at the same time, possibility of secondary combustion of the on-site equipment is greatly reduced, and the fire extinguishing agent is suitable for environment of an automobile engine compartment, an airplane bunker, a power distribution cabinet, electrical equipment and archives.

The invention discloses an assembly type automatic rotating spray head. The assembly type automatic rotating spray head comprises a water inlet pipe connected with a fire water pipeline, a flow guidecover fixed to a water inlet pipe, a flow guide impeller fixed to the water inlet pipe through a bearing and located below the flow guide cover, a porous spray head communicating with the water inletpipe through threads, a jet nozzle arranged on the lower part of the flow guide cover, a flow guide port formed in the water inlet pipe and communicating with an inner channel of the water inlet pipe,and a flow guide pipe used for communicating the flow guide port with the jet nozzle. According to the assembly type automatic rotating spray head, through arrangement of the jet nozzle and the flowguide impeller, water flow is sprayed out through the jet nozzle to generate impact force on the flow guide impeller, the flow guide impeller is promoted to rotate, the flow guide impeller rotates ata high speed, the water flow sprayed out of the jet nozzle and the water flow sprayed out of the porous spray head are scattered and atomized, and a solid conical spray is formed through the flow guide cover, so that the atomizing radius of water mist is greatly increased, the fire extinguishing radius is increased, the fire extinguishing efficiency of the spray head is improved, and the life andproperty safety of people is ensured.

The invention provides a fire protection hoisting frame system. A high-definition camera arranged at the top of a hoisting frame is used for acquiring image information and transmitting the image information to a human-computer interface; according to a controller PCC (Program-Controlled Computer), motor drive devices ACOPOS drive motors, thereby realizing the purpose that the hoisting frame moves in a vertical direction and a horizontal direction; a professional electrical platform is capable of horizontally and vertically moving; the human-compute interface displays the image information acquired by the high-definition camera, and receives a command of a firefighter, and the command is input and transmitted to a control module; according to an alarm module, a temperature sensor is arranged on the surface of the instrument, acquired temperature is returned to the controller, a temperature which can be born by the instrument is set in the controller, and when the acquired temperature exceeds the temperature, an alarm is sent. According to the fire protection hoisting frame system, water spraying equipment can be rapidly and accurately conveyed to an appointed position, thus fire extinguishing time is saved, efficiency is increased, time is gained for rescue operation of the firefighter, and safety of a rescue worker is ensured.

The invention, which belongs to the technical field of fire protection, particularly relates to a fire alarm system and method for an express delivery vehicle compartment. According to the a fire alarm system and method for an express delivery vehicle compartment, on the basis of the joint effects of several kinds of fire monitoring technologies, fire extinguishing is carried out by aligning at afire origin automatically, so that problems of having single monitoring way and needing a hand-operated fire extinguishing way by a diver of the existing fire alarm system are solved. The fire alarm system is composed of a vehicle, a control module, a display device, an alarm device, an indicator light, a fire monitoring module, a wireless communication module, a remote control terminal, a positioning module, and an automatic fire extinguishing device. The fire alarm system has effects of high safety and high fire extinguishing efficiency.

The invention discloses a low-temperature S-type aerosol fire extinguishing agent. The low-temperature S-type aerosol fire extinguishing agent is composed of an oxidizing agent, a reducing agent, an adhesive, and a performance conditioning agent, the oxidizing agent employs strontium nitrate as a main mateiral, potassium nitrate as an auxiliary material, dicyandiamide as the reducing agent, and phenolic resin as the adhesive, and the conditioning agent selects potassium oxalate, magnesium powder and hexamethylene tetramine. The fire extinguishing agent can guarantee that corrosivity of the combustion products is reduced, good fire extinguishing usefulness is guaranteed, and fire extinguishing usefulness can reach 35 g / m<3> which is far lower than amount of a national standard. The fire extinguishing agent has excellent insulating properties, and can effectively protect the precision equipment and file in a combustion area. The reaction temperature of the fire extinguishing agent is about 600 DEG C, fire extinguishing time is shortened, at the same time, possibility of secondary combustion of the on-site equipment is greatly reduced, and the fire extinguishing agent is suitable for environment of an automobile engine compartment, an airplane bunker, a power distribution cabinet, electrical equipment and archives.

The invention discloses a smart factory firefighting inspection system, and relates to the field of factory firefighting. The smart factory firefighting inspection system comprises a device overall supporting plate, a vertical circular pipe, an airflow fan and a smoke sensor body. When the smart factory firefighting inspection system is used, the whole device can be installed and positioned through the arranged device overall supporting plate, and the positions of an inspection system sensor installation base and the smoke sensor body are fixed; the smoke sensor body is arranged over a factory machine, and after the whole device is fixed, the arranged vertical circular pipe can enhance airflow above the machine to ensure the monitoring effect of the smoke sensor body on the periphery of the machine; the responsiveness of the smoke sensor body of the device can be improved through the gathering effect of a horn collecting cover and airflow enhancement of the airflow fan in the device, and the fire extinguishing time is shortened; and an arranged dustproof protective sleeve can protect a sensor detection head.

The invention discloses a superfine dry powder extinguishing agent. Raw materials used for preparing the superfine dry powder extinguishing agent mainly comprise, by mass, 7-10 parts of alkali residues, 30-40 parts of sodium bicarbonate, 0.5-1 part of talcum powder, 5-8 parts of marlstone, 1-3 parts of xonotlite, 30-45 parts of ammonium sulfate, 3-7 parts of ammonium polyphosphate, 10-20 parts of gypsum, 1-4 parts of stannic oxide, 2-5 parts of silicon nitride, 1-2 parts of silicone oil and 0.4-0.6 part of polybutylene. The prepared superfine dry powder extinguishing agent is good in mobility and hydrophobicity, high in anticaking capacity and fire extinguishing performance, and shortened in fire extinguishing time.

The invention discloses multifunctional integrated fire extinguishing equipment integrating water mist, foam and dry powder fire extinguishing systems. The device comprises a rack, a control cabinet, a turbine flowmeter, a pressure sensor, a flow display instrument, a pressure display instrument, a pressure regulating handle, a pressure regulating valve, a drain valve, a liquid injection port, a water tank, a liquid level meter, a low liquid level alarm device, a motor, a high-pressure pump set, an air compressor, a dry powder extinguishing agent storage tank, a water pipe winding device, a cable reel, a power supply plug, a spray head or a spray gun, a dry powder spray head and the like. The multifunctional integrated fire extinguishing equipment can realize multifunctional fire extinguishing of the water mist, foam and dry powder fire extinguishing systems, comprises independent use and switching use of the water mist fire extinguishing system, the foam fire extinguishing system and the dry powder fire extinguishing system and combined use of the water mist or foam / dry powder fire extinguishing systems, and is high in integration degree and simple and convenient to operate.

The present invention relates to a fire-extinguishing composition containing a heterocyclic compound. The fire-extinguishing composition releases a great quantity of active fire-extinguishing particles by making use of the heat generated from combustion of a pyrotechnic agent. The fire-extinguishing composition containing a heterocyclic compound in the present invention reacts at a high temperature to generate free radicals and takes reaction with one or more of O—, OH—, H— free radicals necessary for a chain combustion reaction through the free radicals, so as to cut off the chain combustion reaction and take physical and chemical inhibiting effects to jointly achieve a fire extinguishing effect at the same time. Meanwhile, it takes synergistic interaction effects with the pyrotechnic agent to further raise the fire extinguishing efficiency of the fire extinguishing agent and greatly shorten the effective fire extinguishing time.