95results about How to "Speed ​​up the fight" patented technology

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 relates to a new energy vehicle charging pile with an energy saving and waterproof function. The new energy vehicle charging pile with the energy saving and waterproof function comprisesa main body, a base, a charging plug, a central control mechanism, a power generation mechanism, a fire extinguishing mechanism and a heat radiation mechanism; a power generator comprises a lifting component and a bending component; the bending component comprises a driving unit, a supporting rod, a connecting block and two bending units; and the fire extinguishing mechanism comprises a telescopic component, a reciprocating component and a fire extinguisher. According to the new energy vehicle charging pile with the energy saving and waterproof function, by using the power generation mechanism, light energy can be sufficiently utilized to generate power to be stored for for a rainy day; and moreover, the demand on power grid electric quantity is reduced so that the new energy vehicle charging pile is more energy saving; in addition, through lifting, a solar cell panel can be folded into the main body to be protected under extreme severe weather to prevent the solar cell panel from being damaged, and therefore, economic loss is reduced; and by using the fire extinguishing mechanism, the fire can be rapidly extinguished by using sound waves to extinguish the fire so that the practicability and safety of the charging pile are enhanced.

The invention provides a fire rescue robot, which consists of a flame detection shooting device, a wireless communication system, a fire extinguishing device, a three-dimensional detection radar, a central monitoring system, an automatic navigation system, a power system and a manual remote control system, wherein the flame detection shooting device consists of a flame sensor and a camera; the wireless communication system consists of a communication module; the power system consists of an electric motor and a caterpillar track. The fire rescue robot has the beneficial effects that the robot charges forwards, so that the threat to the personal safety of a firefighter is reduced; the advanced three-dimensional detection radar can be used for rapidly making a three-dimensional diagram of a current afire room, and the three-dimensional diagram of the current afire room is transmitted to a wireless remote control device held by the firefighter through the wireless communication system, so that the problem that the firefighter gets lost under the condition of heavy smoke is solved; the position of flame can be rapidly detected through the flame sensor, and a fire source can be rapidly extinguished through a mechanical arm and the carried firefighting device.

The utility model relates to an automatic fire extinguishing device for a fire detection tube used in an AC and DC power supply system in a substation, belonging to the field of fire protection. The gas fire extinguishing agent bottle is set near the AC and DC power supply cabinet or control cabinet in the substation; the fire extinguishing agent bottle is equipped with a weighing device to weigh the weight of the fire extinguishing agent in the bottle in real time; When a fire breaks out in the protected object, the fire detection tube above the protected object will melt and explode at the point where it first reaches the melting point, and the gas fire extinguishing agent in the fire detection pipe will be released, and the fire extinguishing agent release valve will be activated, and the fire extinguishing agent bottle will flow from the fire extinguishing agent bottle immediately. The gas fire extinguishing agent is continuously released in the fire detection tube, and the non-submerged fire extinguishing agent release mode is adopted. The gas fire extinguishing agent is sprayed from the melting blast hole of the fire detection tube to the root of the fire source, and the fire source is effectively extinguished instantly, and the protected object The flame just generated due to over-current or over-temperature is extinguished in the bud, and at the same time, the passive alarm contact in the weighing device is closed, and an alarm signal is output to the outside.

The invention discloses automatic fire extinguishing equipment for a new energy automobile battery box in the technical field of new energy automobiles. The equipment comprises a battery box, four groups of batteries are arranged in the battery box, and positive and negative electrodes of the four groups of batteries are respectively connected in series through first connecting wires; the positive electrodes of the first group of batteries and the negative electrodes of the fourth group of batteries are connected with second connecting wires; and the second connecting wires penetrate through the shell of the battery box. After the battery is on fire, a driving mechanism can be quickly started, an insulating cutter can cut off a second connecting line of the positive electrode and the negative electrode of the battery under the driving of the driving mechanism, fire is prevented from extending towards the whole automobile body along the second connecting line, a fire source is cut off to a certain extent, fire extension is slowed down, and the fire is prevented from quickly damaging the whole automobile; and meanwhile, dry powder in a filling groove can fall onto the battery when the filling groove is opened, open fire on the surface of the battery can be quickly extinguished, and the battery cannot be excessively burnt.

The invention relates to a high-speed through-wall fine water mist fire-extinguishing method. The method is characterized by comprising the steps that: 1) a through-wall ejector can instantaneously realize high-speed movement and penetrate a wall; and 2) after the ejector penetrates the wall, a front nozzle of the ejector ejects high pressure fine water mist. Specifically, the step 1) is realized by the following way that: the through-wall ejector adopts a structural form similar to that of a hydraulic cylinder, the high-speed jet inlet of the through-wall ejector is connected to a high-pressure pump source, and a high-pressure accumulator and a sequence valve are disposed between the high-speed jet inlet of the through-wall ejector and the high-pressure pump source, the high-pressure accumulator gradually accumulates high pressure water with certain pressure and flow and when the pressure increases to the opening pressure of the sequence valve, the sequence valve can be opened. The method provided in the invention can realize through-wall fire-extinguishing without needing firefighters to enter a fireground, so that safety of the firefighters is effectively protected and large area destruction of walls or windows is not needed. Thus, the fire in an enclosed space within a building can be isolated from the outside air, and under the dual-fire-extinguishing mechanisms of high efficiency cooling and fast suffocation of high pressure fine water mist, the fire can be rapidly extinguished.

The invention relates to the field of fire extinguishing, in particular to a cold aerosol fire extinguishing device, which comprises a dry powder aqueous solution box, a carbon dioxide storage tank and a nozzle, wherein dry powder aqueous solution is stored in the dry powder aqueous solution tank, carbon dioxide is stored in the carbon dioxide storage tank, and a heating jacket covers the outer side of the nozzle. Further, the dry powder aqueous solution is a compound prepared by one or multiple of sodium carbonate, sodium bicarbonate, potassium bicarbonate, monobasic potassium phosphate, sodium chloride, potassium chloride, magnesium chloride, urea, ammonium bicarbonate and ammonium dihydrogen phosphate mixed according to an optional proportion, and is in a saturation state at minus five DEG C. The carbon dioxide storage tank is connected with the nozzle through a high-pressure pipeline provided with a valve, and the pressure of carbon dioxide at an inlet of the nozzle ranges from 7.5Mpa to 8.5Mpa. The dry powder aqueous solution tank is connected with the nozzle through a low-pressure pipeline provided with a water pump, and the pressure of dry powder aqueous solution at the inlet of the nozzle ranges from 0.35Mpa to 0.45Mpa. The mass flow ratio of water in the dry powder aqueous solution and carbon dioxide at the inlet of the nozzle ranges from 1:2.2-1:2.6.

The invention relates to the field of fire fighting, in particular to a household fire box integrating monitoring, alarming, rescuing with escaping. An upper box body panel, an upper box body and a lower box body panel are arranged on a box body of the fire box. The upper box body panel and the lower box body panel are connected into a whole through a box body outer panel connection hinge. A fireextinguisher, an escape rope, a fire blanket, a head protection mask and an emergency hammer are fixedly arranged on the upper box body. A harmful gas detection probe, a smoke concentration detectionprobe, an automatic control system, a box body automatic switch and an automatic alarming and ventilating switch are fixedly mounted on the lower box body panel of the fire box. The household fire boxhas the beneficial effects that when fires occur, people can take fire fighting appliances out of the fire box rapidly and extinguish initial fire hazards in time, and more precious time is gained for rapid fire extinguishing and rapid escaping.

The invention discloses an automatic protection device for an internal circuit of a transformer. The device comprises a transformer box body, wherein four supporting columns are arranged at a lower end of the transformer box body in an array mode, a transformer base is fixedly arranged at lower ends of the supporting columns, a voltage transformation cavity is formed in the transformer box body, and four iron core supporting columns are arranged in a lower wall of the voltage transformation cavity in an array mode. The device is advantaged in that the device is simple in structure, convenientto maintain and use, through a built-in heat dissipation device, internal heat dissipation of the transformer can be continuously performed, circuit protection structure, so the fire probability of the transformer is reduced, moreover, a built-in fire extinguishing device and a circuit protection structure can quickly perform fire extinguishing protection treatment of the transformer when the transformer is on fire, so flames can be quickly extinguished, and greater disasters are prevented.

The invention discloses a high-temperature self-extinguishing power distribution cabinet. The cabinet comprises a cabinet body, a liquid storage cavity is formed in the side wall of the cabinet body;the liquid storage cavity is filled with evaporation liquid; a circular cavity is formed in the upper end of the cabinet body, a plurality of impellers are rotationally connected to the bottom in thecircular cavity through a rotating shaft, the top in the liquid storage cavity is connected with the inner wall of the circular cavity through a one-way air inlet pipe, a pipe opening of the one-way air inlet pipe is obliquely arranged in the direction of the multiple impellers, and the lower end of the rotating shaft penetrates through the top in the cabinet body and is fixedly connected with multiple fan blades. According to the invention, when a fire occurs in the cabinet body, the impellers rotate when the temperature is high; a spiral coil continuously cuts a magnetic induction line and generates induction current, an electromagnetic plate is magnetized, the electromagnetic plate continuously slides up and down on the inner wall of the material storage cavity, and then a blocking column is driven to continuously slide up and down on the inner wall of a material outlet, so that copper powder is scattered into the cabinet body, the copper powder reacts with oxygen in the cabinet body to generate copper oxide, the concentration of the oxygen in the cabinet body is reduced, and the fire expansion is avoided.

The invention discloses lithium battery storage and preservation equipment. The equipment comprises a storage box, a storage cavity is formed in the storage box, and a lifting mechanism is arranged inthe storage cavity; the lifting mechanism comprises a lifting plate capable of moving up and down in the storage cavity, and a water storage cavity with a rightward opening is formed in the left endwall of the storage cavity; a fire extinguishing mechanism is arranged in the water storage cavity, and the fire extinguishing mechanism comprises a push plate capable of moving left and right in thewater storage cavity; and the right end face of the storage cavity is provided with a fireproof groove with a leftward opening, the fireproof groove is internally provided with a sealing mechanism, and the sealing mechanism comprises a fireproof plate capable of moving left and right in the fireproof groove. The equipment can effectively store the lithium battery, when the lithium battery is on fire, a detection rope can be burnt out, after the detection rope is burnt out, the equipment can overwhelm the lithium battery with water, the fire can be rapidly extinguished, the loss is reduced, andthe risk is reduced.

The invention discloses a power distribution cabinet with a self-extinguishing function. The cabinet comprises a cabinet body, a liquid storage cavity is formed in the side wall of the cabinet body; the top in the cabinet body is rotatably connected with a plurality of fan blades through a rotating shaft, the top in the liquid storage cavity is connected with a gas ejector pipe, a pressure releasevalve is installed in the gas ejector pipe, the end, away from the inner wall of the liquid storage cavity, of the gas ejector pipe is right opposite to blades of the fan blades, and the bottom and the inner top in the cabinet body are symmetrically and fixedly connected with two electromagnetic plates with opposite poles. Carbon dioxide gas generated by heating a sodium bicarbonate solution is sprayed out from the gas ejector pipe; the fan blades are driven to rotate quickly while the concentration of carbon dioxide in the cabinet body is increased; due to the fact that the oxygen has the paramagnetism, the oxygen in the cabinet body moves towards the upper half portion of the cabinet body, the concentration of the oxygen in the lower half portion of the cabinet body is reduced, and fireon electronic elements located on the lower half portion of the cabinet body is restrained.

The invention relates to a fire alarm and fire extinguishing system for an oil tank. The system comprises a foam weir plate, a tank wall, an optical fiber grid alarm system, a linkage control platform, electromagnetic valves, foam ejection devices and a foam extinguishing agent, wherein an annular space between the foam weir plate and the tank wall is divided into a plurality of areas; the optical fiber grid alarm system makes alarm in different areas independently and transmits an alarm signal to the linkage control platform; the linkage control platform transmits the alarm signal to the electromagnetic valves of corresponding areas; the electromagnetic valves control signals to indicate the foam ejection devices in corresponding areas to automatically start to eject the foam extinguishing agent to extinguish the fire. Due to the adoption of the fire alarm and fire extinguishing system, the fire hazard of the oil tank can be controlled at the primary period, the effects of rapid response, linkage control and fire extinguishment in different areas are achieved, and the purpose of rapidly extinguish the fire hazard of the oil tank is achieved.

The invention discloses a fire trace tube type automatic nanometer powder-based dry powder fire extinguishing device. The device comprises a nanometer powder-based dry powder fire extinguishing agent storage tank, a container valve and a fire trace tube. The container valve is connected with the nanometer powder-based dry powder fire extinguishing agent storage tank, and the fire trace tube is connected with the container valve. The fire trace tube type automatic nanometer powder-based dry powder fire extinguishing device is simple in structure, convenient to install, high in response speed, capable of giving an alarm and extinguishing fire at the same time, and capable of effectively and rapidly extinguishing fire.

The invention relates to a D type dry powder extinguishing agent. The D type dry powder extinguishing agent is prepared from, by weight, 10-20 parts of a blocking agent, 50-70 parts of a foaming agent, 15-20 parts of a filling agent, 1-5 parts of a stabilizing agent, 1-5 parts of impregnating compounds and 1-5 parts of catalysts.

The invention belongs to the technical field of fire fighting, and particularly relates to intelligent fire fighting equipment. The intelligent fire fighting equipment comprises a machine body, a fixing base, inclination angle adjusting modules, a fire extinguishing ball module, an adsorption module, movable rolling wheels, a rotary adjusting module and a spraying module. The fixing base is arranged on the upper part of the machine body. The four inclination angle adjusting modules are distributed in the machine body in a rectangular shape and are used for adjusting the inclination angle of the fixing base. The fire extinguishing ball module is located at the center position in the machine body, fixed to the top of the machine body and used for emitting fire extinguishing balls. The adsorption module is fixed to the left side of the machine body and used for fixing the machine body to a building. The movable rolling wheels are installed on the bottom of the machine body and facilitatemoving of the machine body. The rotary adjusting module is installed on the fixing base. The spraying module is installed on the rotary adjusting module and used for spraying water to extinguish a fire.

The automatic automobile fire extinguisher consists of manual or automatic extinguishing agent distributing valve, valve seat and extinguishing agent conveying pipeline. It has also electric or manual switch to control the extinguishing agent distributing valve, triggering wire and temperature controlling wire in the extinguishing agent conveying pipeline, movable nozzle and fixed nozzle around the protected apparatus, electric and manual switch, etc. Its electric and manual switch controls the work state of the extinguishing agent distributing valve, the triggering wire and temperature controlling wire send out monitoring signal to determine the on-off of the switch. So, the present invention may operate reliably even if in non-attended case.

The invention relates to the technical field of fire extinguishing agents, and in particular, relates to a fire extinguishing agent composition and preparation and an application thereof. The fire extinguishing agent composition is prepared by compounding a fluorocarbon surfactant, a hydrocarbon nonionic surfactant and a hydrocarbon zwitterionic surfactant; a fluorocarbon chain has excellent hydrophobicity and oleophobicity at the same time, and has high surface activity and good chemical stability and thermal stability; the hydrocarbon nonionic surfactant and the hydrocarbon zwitterionic surfactant are used, so that the use dosage of the fluorocarbon surfactant is reduced, the foam performance and the fire extinguishing performance can be improved, the foam drainage time is prolonged, thestability of a fire extinguishing system is improved, and the foam extinguishing system is not easy to lose; the foam stabilizer and the foaming agent are used, and the fire extinguishing agent composition with rich, fine and stable foam is prepared under the assistance of the surfactant and the foam stabilizer, can rapidly extinguish a fire, and has good fire extinguishing efficiency.

The invention relates to a passive fire detection pipe type automatic fire extinguishing device for a cabin of a wind generating set, and belongs to the technical field of fire extinguishment of wind generating sets. According to the technical scheme, the automatic fire extinguishing device comprises an indirect fire detection pipe type fire extinguishing device and a direct fire detection pipe type fire extinguishing device, wherein the indirect fire detection pipe type fire extinguishing device is arranged at a brake pad (6); a fire detection pipe is connected with a release valve (4) on a container bottle (3); the release valve (4) is communicated with a spray nozzle (8) through a spray pipeline (9); the direct fire detection pipe type fire extinguishing device is arranged in an electric cabinet (10); the fire detection pipe is connected to the container bottle (3) through the release valve (4); a pressure switch (7) is arranged on the container bottle (3). The automatic fire extinguishing device has the benefits as follows: the cost and the mounting difficulty are lowered, the reliability of the fire extinguishing device is improved, a fire is detected in the shortest time and can be extinguished at the highest speed in a point-to-point manner, the response time is quick, more fire extinguishing agents are saved, and the environment-friendly performance is good.

The invention discloses a fireproof alarm structure for a transformer substation cable trench. The fireproof alarm structure comprises a trench body fixedly connected to the ground, a cover plate is fixedly connected to the upper end of the trench body, a plurality of mounting plates are fixedly connected to the inner wall of the trench body, a fixing cylinder is fixedly connected to the bottom inthe trench body, and an annular groove is formed in the upper end of the fixing cylinder. A circular ring is slidably connected to the inner wall of the annular groove in a sealed mode, a rotating cylinder is fixedly connected to the upper end of the circular ring, a heat absorption cavity is formed in the lower end of the trench body, and a sealing plate is fixedly connected to the inner wall ofthe fixing cylinder. Through rotation of an impeller, the impeller made of a magnetic material continuously skims over the position under a magnetic ball, the magnetic ball moves up and down, a hydrochloric acid solution in a liquid storage tank intermittently flows out, the hydrochloric acid solution reacts with calcium carbonate powder to generate carbon dioxide, and then the carbon dioxide issprayed out through an arc-shaped gas spraying pipeline, so that the concentration of carbon dioxide in the trench body is increased to extinguish fire in the trench body.

The invention discloses a fire extinguisher that is in a high temperature oil fume pipe and can discover and extinguish flames in time. The high temperature oil fume pipe is provided with an steam jet pipe, the pipe wall of which is provided with a plurality of steam jet holes, the steam jet pipe is connected with a steam pipe by an electromagnetic valve, the pipe is also provided with at least one temperature sensing probe that is connected with the input end of a fire extinguishing controller, and the electromagnetic valve is connected with the output end of the fire extinguishing controller. The fire extinguishing controller in the invention can sense the temperature change in the high temperature oil fume pipe by the temperature sensing probe, once abnormity is discovered, the electromagnetic valve is opened, and steam in the steam pipe jets out of the steam jet holes of the steam jet pipe continuously to extinguish the flames, thus avoiding fire disaster effectively and protecting the safety of relevant equipment.

The invention discloses a self-extinguishing indoor power distribution cabinet in case of fire, which comprises a cabinet body, a plurality of heat dissipation holes are formed in the inner wall of the cabinet body, a circular groove is formed in the top in the cabinet body, a fan is fixedly connected to the inner wall of the circular groove, a reaction cavity is formed in the lower end of the cabinet body, and a reaction plate is fixedly connected to the inner wall of the reaction cavity. The reaction plate is made of an iron trioxide material, the inner wall of the circular groove is connected with the inner wall of the reaction cavity through an air inlet pipe, an air outlet is formed in the top in the reaction cavity, and sliding plates are symmetrically connected to the inner wall ofthe cabinet body in a sliding mode. A large amount of carbon monoxide in the cabinet body can be guided into the reaction cavity through rotation of the fan, so that the reaction plate reacts with thecarbon monoxide at high temperature to generate iron and carbon dioxide, and the carbon dioxide flows out through the air outlet, so that the concentration of the carbon dioxide in the cabinet body is increased, and fire in the cabinet body is inhibited; and meanwhile, the harm to the body health of workers due to over-high carbon monoxide concentration in the cabinet body is avoided.

The invention discloses a coal mine fire emergency disposal method. The method is characterized in that the method is specific to emergency disposal of a fire in a coal mine tunnel and comprises disposal measures of exogenous fires and disposal measures of spontaneous fires. The method is mainly used for emergency disposal of the fire in the coal mine tunnel.

The invention provides a preparation method of a high-efficiency D type dry powder extinguishing agent. The preparation method comprises the following steps of: uniformly mixing 10-20 parts by weightof a blocking agent, 50-70 parts by weight of high ammonium polyphosphate, 15-20 parts of filler, 0.2-0.4 part of a stabilizer, 0.1-0.5 part of 4-bromo-B,B-difluoro styrene, 0.01-0.05 part by weight of (pentamethyl cyclopentadiene)(n-propylcyclopentadiene) zirconium dichloride, 0.01-0.05 part of tetra(trimethyl siloxy) titanium and 0.1-0.3 part by weight of a catalyst; and drying, crosslinking andcuring the raw materials to prepare the needed extinguishing agent.

A fire extinguishing device comprises a fire extinguishing agent storage container. A container valve is installed at an output opening of the fire extinguishing agent storage container, a fire extinguishing agent output opening of the container valve is provided with a fire detection pipe, the inner diameter of the fire detection pipe is phi 6.0 mm, and the outer diameter of the fire detection pipe is phi 8.4 mm. The fire extinguishing device has the advantages that the detection reaction time is short, the fire extinguishing efficiency is high, fire can be quickly extinguished in the bud, and the economic loss brought by a fire disaster is effectively reduced; a power source is not needed, and the fire extinguishing device is suitable for various severe environments; the fire detection pipe is a flexible object, is free of the influence of any position and can stretch into various narrow and complex inflammable spaces or devices; a non-total flooding mode is adopted, and harm to people in a protection area can be avoided in the release process.

The invention relates to a transformer superfine dry powder extinguishing method and device. The technical scheme is as follows: a plurality of extinguishing devices are mounted on a transformer outer side (9); each extinguishing device consists of an extinguishing device body (1), a blasting membrane (2), superfine dry powder (3), a temperature sensing magnetic generator (4), a cable (5), an ignition controller (6) and a fixing gold tool (7); extinguishing agent is the superfine dry powder; when the periphery of the transformer reaches the predetermined fire temperature, the extinguishing devices are sprayed to the whole body of the transformer (8); the superfine dry powder is sprayed in different positions of the transformer to implement the total-flooding extinguishment. The transformer superfine dry powder extinguishing method and device have the advantages of low cost, quick speed, no recrudescence and environmental protection; the extinguishing devices are close to protected objects to quickly extinguish the fire in the bud, so that the loss caused by the fire is effectively reduced, and the production is conveniently recovered. Field staff cannot be hurt during releasing; the transformer superfine dry powder extinguishing method and device are most suitable for unmanned duty stations or key protection departments.

The invention discloses a vehicle engine cover fire extinguishing structure capable of automatically opening a fire extinguisher. The vehicle engine cover fire extinguishing structure capable of automatically opening the fire extinguisher is composed of a vehicle engine compartment, an engine cover body, a fire extinguisher body, a spring, fusing inhaul cables and the like. A traditional fire extinguisher body is fixedly installed in the vehicle engine compartment in which spontaneous combustion is prone to occurring, and a nozzle is aimed at various flammable circuits inside an engine. The vehicle engine cover fire extinguishing structure capable of automatically opening the fire extinguisher has the beneficial effects that when a vehicle is in an initial stage of spontaneous combustion,a valve of the fire extinguisher body is automatically opened to extinguish a fire, the fire can be quickly extinguished in the primary state, so that the fire cannot continue to spread, and the lifeand property safety of a driver and passengers is effectively protected; the vehicle engine cover fire extinguishing structure capable of automatically opening the fire extinguisher is quite simple instructure, the structure and working principle of an original vehicle system and an original fire extinguisher are not changed, the design is scientific and reasonable, the vehicle does not affect operation of a worker during routine maintenance and repair, and the cost is quite low; and the vehicle engine cover fire extinguishing structure capable of automatically opening the fire extinguisher is suitable for being installed in various vehicles and ship engine compartments for improved installation so as to automatically open fire extinguishers for fire extinguishing, and application is quite wide.

The invention relates to a portable efficient energy-saving electric pneumatic extinguisher. At present, current forest fire extinguishing tools are all hand-held two-stroke gasoline extinguishers, which have the greatest disadvantages that very high potential safety hazards exist on fire scenes and energy waste, environmental pollution and much noise are caused as gasoline and engine oil are used, the single-unit weight is heavy and the single-use time is short. The portable efficient energy-saving electric pneumatic extinguisher comprises a fan (1) and is characterized in that the middle position of the left side of the fan is connected with a brushless motor (2) through bolts, the brushless motor is in shaft connection with a centrifugal impeller (5) in the fan through a shaft, an exhaust opening (6) is mounted in the centrifugal impeller, a protective net (7) is fixed at the end part of the exhaust opening, a controller (3) is fixed at the upper part of the left side of the fan, a power supply is mounted in the controller, and a liquid crystal screen and operation buttons are mounted on the upper surface of the controller. The invention provides the portable efficient energy-saving electric pneumatic extinguisher.

The invention discloses a multifunctional escaping descent control device comprising a drive system, a wrap angle speed regulating system, an instant stop brake system, a shell and a safety belt, wherein the safety belt is detachably connected to the shell; a planet wheel drive mechanism of the drive system is arranged on a bottom board of the shell through a planet wheel support; a core shaft is arranged on the bottom board, a rope wheel is sheathed on the core shaft through a linked shaft sleeve, and a centrifugal speed stabilizing mechanism is connected with the planet wheel drive mechanism; guiding roller wheels of the wrap angle speed regulating system are arranged at both sides of the rope wheel and are at the same straight line with the edge of the rope wheel, one end of a pull rod is arranged on the linked shaft sleeve, and the other end is connected with a screw rod through a wrap angle rocking rod; and a brake pad of the instant stop brake system is arranged at the outer side of a centrifugal wheel, a brake block adapting to the brake pad is arranged at the outer side of the brake pad, the brake block and the brake pad are installed on the bottom board through a press cover, one end of the brake pad is fixed on the bottom board, and the other end is connected with a pull rope. The invention has the advantages of complete function, reliable quality, compact structure, simple and flexible operation and low cost and can meet the need of multi-user synchronous escaping.

The invention discloses a thermal-insulation fireproof material and a preparation method thereof, and relates to the technical field of building materials. The material comprises the following raw materials in parts by weight: 40-55 parts of epoxy resin, 20-30 parts of an organic silicon resin emulsion, 30-40 parts of a filling microporous material, 8-12 parts of glass fibers, 4-6 parts of ceramicfibers, 6-14 parts of m-xylenediamine, 8-10 parts of polyvinyl alcohol, 2-8 parts of sodium silicate and 3-7 parts of an additive. The preparation method of the material comprises the steps of mixing, stirring, compression molding and curing. The material has very good heat preservation performance and fireproof performance, and meanwhile, waterproof performance, mechanical performance and the like are not weakened.