1392results about How to "Improve fire extinguishing efficiency" patented technology

The invention discloses a built-up synergetic class-A / B water extinguishing agent series. Class-A fires caused by solid substances (such as woods, cottons, wools, linens, paper) and products thereof and class-B fires caused by liquid or melted solids such as gasoline, kerosene, diesel oil, crude oil, methanol, ethanol, asphalt, paraffin waxes and the like can be put out rapidly through the functions such as heat absorption and cooling, diluting and smothering, insulating and covering, suppressing and blocking combustion chains, and the like which are synergetically performed by various extinguishing functional components, and a high-temperature-resistant thermal-insulation and fire-retarding covering layer is formed on the surface of an inflammable matter by various after-combustion functional components so as to achieve the effect of after-combustion resistance. Because the class A / B fires relate to multiple occasions of daily life and production activities, the extinguishing agent disclosed by the invention can be used in the fields of home fire prevention and extinguishing, urban architecture fire prevention and extinguishing, oil depot and gasoline station fire prevention and extinguishing, vehicle and ship fire prevention and extinguishing, forest and grassland fire prevention and extinguishing, mine fire prevention and extinguishing, confined spaces (such as civil air-defense architectures) fire prevention and extinguishing.

The invention provides a fire extinguishing agent. The fire extinguishing agent is prepared by evenly mixing 1-25 parts of hydrophilic solid powder and 100 parts of water or water solution, and then adding 0.001-2 parts of surfactant for evenly mixing; and then adding 2-100 parts of hydrophobic solid particles. The invention provides a preparation method of the fire extinguishing agent. Compared with the existing fire extinguishing agent, the fire extinguishing agent can simultaneously play stifling, cooling and chemical inhibition roles, and the fire extinguishing efficiency is high; according to the fire extinguishing agent, due to addition of the surfactant in the water phase, the dispersion of rotating speed in preparation process can be lowered, the dispersion time can be shortened, and the preparation efficiency can be improved; and with the fire extinguishing agent, the adhesion property of solid gas interface and liquid gas interface can be greatly improved, the usage amount for extinguishing fire can be greatly reduced, and the fire extinguishing property can be obviously improved.

The invention provides ''a hot aerosol fire-extinguishing composition'' and relates to an oxidative magnesium salt hot aerosol fire-extinguishing composition represented by anhydrous magnesium nitrate. The composition is characterized in that the composition can be magnesium nitrate, magnesium carbonate, or other magnesium salt, and can also be a compound of magnesium nitrate, or other magnesium salt with potassium nitrate, strontium nitrate, or other potassium salt or strontium salt; a reducer can be one of or the combination of a plurality of ammonium carbamidine, dicyandiamide, red prussiate of potash, formamine, triazole, and tetrazole; a capability improver can be magnesium carbonate, manganous carbonate, aluminium powder, powdered carbon, magnesium hydrate, metal oxide, etc.; and the bond adopts phenolic resin, etc. The preparation of the magnesium salt comprises the continuous steps: medium temperature and low pressure dehydration, spray under the protection of nitrogen-oxygen flow or ultrafine grinding of grinded colloid, and microencapsulated hydrophobic treatment, etc. Compared with the prior art, the fire-extinguishing composition has the advantages of low price, extensive source, fire-extinguishing capability of K-type composition, and low causticity and toxicity of the ultimate product of combustion.

The invention discloses an extinguishing agent. The extinguishing agent is formed by mixing and stirring strong hydrophobic solid particles and aqueous solution at high speed, wherein the strong hydrophobic solid particles are one type or more of magnesium hydroxide particles, silicon dioxide particles, calcium carbonate particles, talcum particles, aluminium oxide particles, aluminium hydroxide particles, zinc borate particles, zinc oxide particles, iron sesquioxide particles, titanium dioxide particles, montmorillonite particles, hydrotalcite particles, coal ash particles, diatomite particles, mica particle, attapulgite particles and zeolite particles after hydrophobic modification. The extinguishing agent disclosed by the invention is nontoxic, environmental pollution is less, and secondary loss caused by strong flowability of water can be avoided while playing the advantages of the water as the extinguishing agent and reducing the using amount.

The invention discloses an overhead rail type firefighting inspection robot system. The overhead rail type firefighting inspection robot system comprises an overhead rail part, overhead rail type firefighting inspection robots, fire extinction equipment, a position identification block, a charging position, a remote control center and wireless signal transmission equipment. Each overhead rail type firefighting inspection robot comprises a traveling part, a lifting vision device, a position detection device, a detector, a fire extinction control device and a control and communication device. The robots move on a rail of the overhead rail part. The position detection devices conduct positioning by identifying the position identification block. The robots can be charged at the charging position. The fire extinction control devices operate the fire extinction equipment. The control and communication devices achieve communication of the robots and the remote control center through the wireless signal transmission equipment. The robots of the overhead rail type firefighting inspection robot system can conduct inspection detection along the rail, find out equipment failures and potential safety hazards and can conduct fire extinction operation in time.

The invention provides a fire extinguishing agent. The fire extinguishing agent is prepared by mixing and dispersing hydrophobic solid particles, water-soluble surfactant and water solution according to mass ratio of (5-100):(0.001-2):100. The fire extinguishing agent can simultaneously play stifling, cooling and chemical inhibition roles, and the fire extinguishing efficiency is high. Compared with the existing fire extinguishing agent, according to the fire extinguishing agent, due to addition of the surfactant in the water phase, the dispersion of rotating speed in preparation process can be lowered, the dispersion time can be shortened, and the preparation efficiency can be improved; and with the fire extinguishing agent, the adhesion property of solid gas interface and liquid gas interface can be greatly improved, the usage amount for extinguishing fire can be greatly reduced, and the fire extinguishing property can be obviously improved.

The invention relates to a fire-fighting robot facing a complex ground environment. The fire-fighting robot includes a fire-fighting robot device, a controlling table, a fire-fighting water monitor, afire detection assembly, a flame automatic targeting assembly, a water belt automatic shedding assembly, a self-sprinkler assembly and an environmental parameter collection module. The movement performance and safety in a complex ground fire-fighting environment can be ensured or improved; the loading capacity of the fire-fighting robot is improved; when dragging a fire fighting water hose in theback, the resistance capacity to tension, the obstacle climbing capacity, the stair climbing capacity and the capacity of passing an uneven unilateral bridge are improved; the fact that the fire-fighting robot can also move when the flame burns the fire-fighting robot body or a caterpillar band is ensured; the automatic shedding assembly of the fire-fighting water monitor connection mouth is improved so that the success self-preservation rate when the robot retreats is improved; the device of the fire-fighting robot of automatic searching for the flame and automatic controlling of collimationof the fire-fighting water monitor is added; so that fire-fighting efficiency and the degree of automation of the fire-fighting robot are improved.

The invention discloses a pyrotechnical hot-gas sol fire extinguishing agent and a preparation method thereof, and relates to the field of fire extinguishers. The pyrotechnical hot-gas sol fire extinguishing agent is prepared from 41 to 56 weight percent of first oxidant, 8 to 15 weight percent of second oxidant, 15 to 26 weight percent of burnable agent, 4 to 17 weight percent of adhesive and 2 to 22 weight percent of functional additive. The preparation method comprises the following steps of: mixing the oxidants, the burnable agent and the functional additive, then screening the mixture, stirring the mixture and the adhesive, mixing and stirring the mixture and organic solution, pressing the mixture and drying the mixture. The pyrotechnical hot-gas sol fire extinguishing agent has the characteristics of high fire extinguishing efficiency, simplified fire extinguishing composition, no influence of combustion reaction on external oxygen concentration change, no harm substance production to human bodies, animals and natural environments, safer operating mode, simpler and more convenient preparation method and the like, and is suitable for extinguishing fire of fuel and electrical equipment of automobile engine cabins, airplane fuel cabins, power distribution cabinets and the like.

The invention discloses a pipe network type dry powder fire extinguishing system which comprises fire source detectors arranged in all subareas of a protected area, a temperature detector arranged in the protected area, a controller, a gas supply device, a mist mixing tank, subarea electric valves and spray nozzles, wherein the controller is used for receiving electrical signals from the fire source detectors and the temperature detector, or the electrical signals from the more than two fire source detectors and then sending a fire extinguishing control command; the gas supply device is electrically connected with the controller; the number of the subarea electric valves is equal to the number of the subareas; and the spray nozzles are connected with the output ends of all the subarea electric valves through pipelines. The pipe network type dry powder fire extinguishing system can perform fire extinguishment once or many times, and can perform fire extinguishment on each divided area separately.

A large size fire blanket folded in one pack is provided and delivered to the area of wild fire over the air by manned or unmanned aircrafts. Being deployed over the air to the wild fire area, the fire blanket attached to aircrafts is unfolding above the fire by stretching it out with aircrafts slowly moving apart until fire blanket is fully unfolded. After that the aircrafts starts simultaneous landing and covering with fire blanket the affected area. In result the fire blanket cuts off oxygen flow to the fire area and extinguish fire therefore. To prevent “hot air balloon” effect, the fire blanket has multiple perforations equally spread along the surface.

The invention discloses a ground direct injection type liquid nitrogen fire preventing and extinguishing system. An outlet of a liquid nitrogen tank truck of the system is connected with an inlet of a reciprocating type low-temperature liquid pump, an outlet of the reciprocating type low-temperature liquid pump is connected with a liquid inlet of the upper portion of a buffering tank, a liquid outlet of the lower portion of the buffering tank is connected with a vacuum low-temperature heat insulation tube, the vacuum low-temperature heat insulation tube is connected with a nitrogen injection tube and a nitrogen gas delivery tube, a gas exhaust opening at the upper end of the buffering tank is connected with the nitrogen gas delivery tube, the upper portion of the buffering tank is a single-layered shell, and the upper end of the buffering tank is connected with a decompression valve. Key technical problems that gas phase and liquid phase are separated after liquid nitrogen is vaporized and the nitrogen injection tube is blocked are avoided. The ground direct injection type liquid nitrogen fire preventing and extinguishing system is simple in structure and convenient in installation, is safe and reliable, and effectively avoids problems of gas blockage, intermittent spring and the like in a liquid nitrogen injection process, and liquid nitrogen filling efficiency is improved by 20% at least as compared with traditional direct liquid nitrogen filling process. The ground direct injection type liquid nitrogen fire preventing and extinguishing system is particularly applicable to preventing and extinguishing fire of hidden fire sources of shallow-buried deep coal mine underground worked out sections.

The invention discloses an active safeguard system and method for a floating-roof oil tank. Carbon dioxide gas serving as an inerting agent is filled into an annular spaced formed among the primary and secondary seals as well as tank walls of the floating-roof oil tank, the oxygen content and combustible mixed gas content in the annular space are controlled within a specified range, and the original dangerous space of fire disaster is turned into an inert safeguarding space which is prevented from explosion and combustion. The invention has the following advantage: the problem that the floating-roof oil tank is susceptible to oil gas explosion caused by lightning strike, static and the like in the annular space is solved.

The invention discloses an intelligent robot fire extinguishing method comprising the following steps of: step 1, a controller reads a pre-arranged planning routing inspection route signal of a communication module or a pre-arranged planning processor; step 2, the controller sends out a control instruction to an obstacle avoidance walking mechanism for performing the routing inspection according to the pre-arranged planning routing inspection route signal; step 3, the controller reads a signal from a fire source detector; step 4, the controller judges whether a fire disaster happens, and a step 5 is preformed if yes; step 5, the pre-arranged planning processor searches pre-arranged planning position data and offers a fire extinguishing scheme to the controller; and step 6, the controller reads the fire extinguishing scheme offered by the pre-arranged planning processor, and indicates a fire extinguishing device to extinguish the fire when the fire disaster happens. A fire extinguishing robot in the invention presets a plurality of control schemes to various conditions of a field to be protected, and selects the corresponding fire extinguishing scheme to extinguish the fire according to the coordinate position of a material to be protected when reaching a fire scene.

The present invention discloses a vehicle-bone superfine water fog fire extinguishing device which is characterized by using a fire engine as a carrier and being provided with a water-air double-pipeline transmission system; the air pipeline comprises an air compressor and a pressure air pipeline which transmits high pressure air; the water pipeline comprises a pump and a pressure water pipeline which is communicated with a pump outlet and transmits high pressure water; the pressure air pipeline is joined up with the pressure water pipeline in a spray device; the high pressure water is cut by the high pressure air in the spray device and then is sprayed out as superfine water fog by a spray cylinder; and the fire extinguishing effect is far higher than fog water or water mist. The internal shape of the spray cylinder from an inlet to an outlet is the shape from convergent to spread and is accorded with the aeronautical dynamics and the fluid mechanics theory better, and the spray cylinder can maximize the ray range of the sprayed superfine water fog, so as to meet the requirement of remote fire extinguishing.

The invention relates to a shake-up device, especially to a rapid shake-up device of a fire extinguisher for fire protection. To solve the technical problem, the invention provides a rapid shake-up device of fire extinguisher for fire protection. The rapid shake-up device is convenient to use, shake-up time can be accurately controlled, and fire can be extinguished timely. The rapid shake-up device of a fire extinguisher for fire protection comprises a base plate, a motor, a cam, a first contact roller, a first block, a first spring, a first guide pulley, a stay wire, a slide block, a dead lever jamming rod, a hinge, a fixed cylinder, a strut, a guide plate, a slide rail, a lifting bar, a fourth spring, a second contact roller, left and right movable levers, bolts and a cylinder cover, etc. The right side of the top of the base plate is provided with the guide plate. The invention has achieved the effects of use convenience, accurate control of shake-up time and timely fire extinguishing. Thus, fire-extinguishing efficiency is raised, property loss is reduced for people, and living quality is enhanced for people.

The invention discloses a high-efficiency environment-friendly foam extinguishing agent and a preparation method thereof. The high-efficiency environment-friendly foam extinguishing agent is composed of, by weight percentage, 10%-50% of a composite surface active agent, 10%-30% of an organic solvent, 1%-5% of a stabilizer, 0.2%-4% of a burning resisting agent, 0.5%-3% of a chelating agent, 0.1%-1% of a corrosion remover and the balance water. The preparation method includes the steps that surface active agents are sequentially added to water to form the composite surface active agent A while being stirred, the organic solvent and the stabilizer are mixed evenly to form a component B, then the A is added to the continuously-stirred B, stirring is continued, then the burning resisting agent, the chelating agent and the corrosion remover are sequentially added to the A and B mixed system, and finally the water is added as the balance, so that the high-efficiency environment-friendly foam extinguishing agent is obtained. The high-efficiency environment-friendly foam extinguishing agent is free of a fluorine surface active agent, thereby being high in bioremediation performance. Foam prepared through the method is good in stability and high in fire extinguishing efficiency, and is a high-efficiency environment-friendly product. According to the preparation method, heating and filtering are not needed, the three wastes are avoided, environment protection and energy conservation are achieved, and the production efficiency is high.

The invention discloses a fire protection foam system for a fire truck. The fire protection foam system comprises a water pot and a foam liquid pot which are used for storing fire protection media, a water pump and a foam pump which are used for pumping the fire protection media, a fire nozzle for outputting the fire protection media, a foam uniformly mixing tube and an air compressor, wherein the outlet of the foam uniformly mixing tube is communicated with the inlet of the fire nozzle, and the inlet of the foam uniformly mixing tube is respectively communicated with the liquid outlet of thewater pump and the liquid outlet of the foam pump; and the compressed air outlet of the air compressor is communicated with the inlet of the foam uniformly mixing tube. The fire protection foam system for the fire truck is provided with compressed air supply equipment; when the fire protection foam system is used, the compressed air and mixed liquid of water and foams firstly enter the foam uniformly mixing tube and are pre-foamed and then jetted by the fire protection fire nozzle with low water consumption. On the basis of the fire protection foam system, the invention also provides the firetruck, which comprises a chassis, a lifting arm frame, a working platform and the fire protection foam system for the fire truck; and the working platform is connected with the chassis through the lifting arm frame.

The invention discloses a shock wave tube-Laval nozzle accelerating device of a solid particle group. A compressed gas source is connected with a high pressure gas chamber of a shock wave tube by a compressed gas check valve, a powder storage chamber is surrounded by tube walls and movable clapboards at the two ends of the powder storage chamber, one of the movable clapboard separates a low pressure air chamber and the powder storage chamber and the other moveable clapboard separates the powder storage chamber and the Laval nozzle; a particle injection hole is cut on the side wall of the powder storage chamber to be connected with a powder supply source; a powder supply switch valve is arranged in the particle injection hole to separate the powder supply source and the powder particle in the powder storage chamber; a control circuit board is respectively connected with a transient switch valve, the powder supply switch valve and the two movable clapboards. As a chemical powder extinguisher, since the shock wave tube and the Laval nozzle function synchronously to accelerate the solid particle group to cause the shooting range of extinguisher to be sufficiently far off and an ejection covering area can be appropriately enlarged by enlarging the expansion angle of the gradual-widening section of the Laval nozzle, the shock wave tube-Laval nozzle accelerating device has high extinguishing efficiency, good effect, long shooting range and energy conservation; as an ultrasonic cool spraying device, the particle adhesive strength and the coating strength are great.

The invention relates to an automobile motive power battery compartment fire extinguishing system, which comprises a fire extinguishing device, a fire extinguishing agent conveying pipe, a signal converter and a thermosensitive element, wherein the fire extinguishing device is arranged in an automobile motive power battery compartment, the fire extinguishing agent conveying pipe is communicated with a spraying opening of the fire extinguishing device, the signal converter is electrically connected with the fire extinguishing device, and the thermosensitive element is used for detecting the temperature in the automobile motive power battery compartment and transmits the temperature value to the signal converter. When the temperature value is higher than a set threshold value, the signal converter converts the temperature value into fire extinguishing device starting signals and sends the fire extinguishing device starting signals to the fire extinguishing device, and a fire extinguishing agent is sprayed into the automobile motive power battery compartment through the fire extinguishing agent conveying pipe after the fire extinguishing device receives the fire extinguishing device starting signals. Through the temperature detection by the thermosensitive element and the signal conversion and the signal sending by the signal converter, the fire extinguishing device can be automatically started in time, the fire extinguishing agent is conveyed to the fire extinguishing agent conveying pipe and is sprayed out to the automobile motive power battery compartment, the local or full submerging state is formed in the automobile motive power battery compartment, fire can be automatically extinguished in time, the fire extinguishing efficiency is high, and the safety is good.

The invention provides a fire fighting and extinguishing robot. The fire fighting and extinguishing robot comprises a first base, a second base, four running parts, a mechanical arm part and two fire extinguishing parts, and is characterized in that a third steering gear of the mechanical arm part is mounted in a third steering gear fixing base; shafts under fifth gears of the two fire extinguishing parts are rotationally mounted in two first circular grooves correspondingly; the outer end faces of first telescopic sleeves of the four running parts are mounted on the outer sides of four first telescopic sleeve fixing plates correspondingly; and a second circular trough of the first base is mounted in a gear shaft of the second base. A first steering gear is used for driving a supporting base to be adjusted to a proper height, the position of a fire extinguishing material output pipe is adjusted through a sixth hydraulic cylinder and a seventh hydraulic cylinder, a first pipeline baffle is driven by a first hydraulic cylinder to move downwards so that fire extinguishing gas can be sprayed out of the fire extinguishing material output pipe for fire extinguishing, fire extinguishing is more accurate, the fire extinguishing efficiency is improved, and fire extinguishing raw materials are saved.

The invention relates to an involute arc spout fire extinguishing sprinkler head of a fire extinguishing device with a mechanical liquid sprinkling fire extinguishing agent, which solves the problem that the existing circular spout groove sprinkler head costs fire extinguishing agent and delays fire extinguishing time. The sprinkler head comprises a sprinkler head body, a bearing and a connecting pipe; the spout groove is involute arc along the radial direction; the spraying angle of B end which is the starting end of the involute arc spout groove 4 is 70-85 degrees, the spraying angle of C end which is the ending end of the involute arc spout groove 4 is 40-45 degrees, and the base radius r of the involute is 10-15mm. The spout groove is in the involute shape, thus the sprayed fire extinguishing agent forms a round cake shape while being sprayed, which is good for fire extinguishing. The sprinkler head is applied to liquid extinguishing agents comprising water, aqueous film forming foam concentrate, and the like. The sprinkler head has the advantages of extinguishing fire in a short time with a few fire extinguishing agents, low fire extinguishing cost, high fire extinguishing efficiency, convenient use, flexible action, saving time and high efficiency, and is applied to oil fire of aerosheds, etc.

The invention relates to an unmanned aerial vehicle capable of improving the fire extinguishing efficiency for high-rise fire fighting. The unmanned aerial vehicle comprises a vehicle body, a propeller, a bracket, a water gun and a camera, wherein an adjusting device and a fixing device are also arranged in the vehicle body; the adjusting device comprises a lifting mechanism and a steering mechanism; and the fixing device comprises two fixing mechanisms. According to the unmanned aerial vehicle capable of improving the fire extinguishing efficiency for high-rise fire fighting, the water gun is driven to move through the adjusting device, the spraying direction of the water gun can be continuously changed up and down or left and right, the spraying range of the water gun is expanded and the unmanned aerial vehicle is capable of continuously spraying water towards a plurality of directions while flying, so that the fire extinguishing efficiency is improved; and meanwhile, the water gun is fixed on the vehicle body through the fixing device, the fixing device is started and the water gun can be directly taken down when the water gun needs to be taken down from the vehicle body, and parts do not need to be dismantled, so that time and labor are saved.

The invention discloses an automatic tracking and positioning jet flow extinguishing method. A camera is used for collecting on-site video images, the water falling point position is corrected through human assistance, and remote quick positioning of a fire point is achieved on a monitoring platform of an upper computer. The method comprises the steps that a fire source signal is detected through a jet flow extinguishing device, and the center position of a fire source region is determined preliminarily and sent to the upper computer so as to control the extinguishing device to spray water for extinguishing; according to on-site real-time monitoring videos collected by the monitoring camera, whether outflow water falls in an effective range of the center position of the fire source is judged, and if yes, adjustment is not needed; if the outflow water is out of range, human-assisted positioning adjustment is conducted on the water falling point position, and the water falling point is made to be in the effective range of the center position of the fire source. By the adoption of the extinguishing method, the positioning precision of an extinguishing system is improved to a great extent, the possibility of software misjudgment is reduced, and a guarantee is provided for quick, efficient and reliable operation of the fire-fighting extinguishing system.

The invention discloses a high pressure and water mist fire foam which is composed of the raw materials, comprising foaming agent, compound fluorochemical surfactant, penetrant, antifreeze, stabilizer, corrosion inhibitor and water. The weight percentages are as follows: 30-40 percent of foaming agent, 5-10 percent of compound fluorochemical surfactant, 1-5 percent of penetrant, 10-15 percent of antifreeze, 5-8 percent of stabilizer, 0.1-1 percent of corrosion inhibitor and the rest proportion of water. The high pressure and water mist fire foam is a novel multifunctional extinguishing agent with high efficiency and water saving performances and can be equipped on different fire-extinguishing systems. In the water mist praying system, the high pressure and water mist fire foam can spray micro-droplets up to 5-10mm and has high fire-extinguishing efficiency; in the foam fire-extinguishing system, the high pressure and water mist fire foam can produce stable and sustainable foams and is characterized by great performance of separating water and fluidity, and rapid fire-extinguishing speed. The high pressure and water mist fire foam can extinguish both class B fire and class A fire.

The invention discloses an annular fine water mist fire extinguishing cover system. The annular fine water mist fire extinguishing cover system comprises a fine water mist spraying mechanism; the fine water mist spraying mechanism includes a high-pressure water distributor and more than two annular water pipes; each annular water pipe is communicated with the high-pressure water distributor through more than high-pressure water distribution pipes; and each annular water pipe is respectively provided with more than two fine water mist nozzles. The annular fine water mist fire extinguishing cover system is fast in fire extinguishing speed and high in fire extinguishing efficiency, and cannot generate secondary pollution to surrounding environments. The annular fine water mist fire extinguishing cover system can be used for cooling exposed combustible gas or liquid pipes after fire extinguishing, overcomes the defects of low fire extinguishing efficiency and bad fire extinguishing agent waste in a traditional spraying dry powder fire extinguishing agent, and satisfies the purposes and the technical requirements of effectively extinguishing the oil tank fire.

A cooling and flame-isolating appts. for extinguishing fire by aerosol features that the chemicals are used for cooling because the chemicals are decomposed at different temps to absorb heat. It is a 4-layer structure in which the first and the fourth layers are used for isolating flame, and the second and the third layers for cooling purpose.

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 discloses a water-based fire extinguishing additive, which is composed of a fire extinguishing functional component and an anti-resurgence functional component mixed in proportion, wherein the fire extinguishing functional component consists of a cooling functional component, a covering and isolation functional component, and a dilute suffocation functional component. components, functional components that block the combustion chain and their emulsifiers, and the anti-reburning functional components are composed of nano-insulation fire-resistant flame-retardant materials and their suspension dispersants, water-soluble inorganic flame retardants, radiation-absorbing materials, and film-forming agents , the covering and isolation functional components are composed of foaming surfactants with high foaming properties, fluorine-based surfactants, silicon-based surfactants and foam-stabilizing assistants. It has a very outstanding fire extinguishing effect on fires caused by wood, paper, cotton products, hay, coal, rubber, non-polar liquids (such as gasoline, kerosene, etc.), polar liquids (such as methanol, ethanol, etc.) and chemical raw materials such as magnesium and titanium. .

The invention discloses an electrical cabinet with an automatic fire extinguishing function and a using method. The invention belongs to the technical field of electrical cabinets, the invention discloses an electrical cabinet with an automatic fire extinguishing function. The cabinet comprises a cabinet body, a cabinet door is arranged on the outer wall of one side of the front of the cabinet body; a device box is fixedly mounted at the top of the cabinet body; the outer walls of the two sides of the cabinet body are respectively provided with two heat dissipation holes. A heat sensing bottleis fixedly installed on the outer wall of the top of the cabinet body; a sealing plate is fixedly installed on the inner wall of the heat sensing bottle; a connecting air pipe is fixedly installed inthe middle of the sealing plate; an adjusting box is fixedly installed in the device box; an air bag is fixedly installed in the adjusting box; one end of the connecting air pipe communicates with the heat sensing bottle, and the other end communicates with the air bag. The fire extinguishing function can be automatically triggered and a dry powder extinguishing agent can be sprayed when the electrical cabinet is on fire without supporting of external energy sources such as electric power, meanwhile, external air entering is reduced, fire is quickly extinguished, and the fire extinguishing device is safe, stable, high in reliability and high in fire extinguishing efficiency.

The invention relates to the technical field of fire-fighting equipment, in particular to a power transformer fire extinguishing system and a control method. The power transformer fire extinguishing system comprises an equipment protecting room, a fire extinguishing pipe network, multiple fire detectors, point spraying branch control pipe valves and weatherproof porous bundling nozzles; a gas cartridge set, a starting bottle set, a 3D boiling powder storage tank and a fire extinguishing controller are arranged in the equipment protecting room, and the fire extinguishing controller is provided with a multi-feature signal detector, an air speed detector and a reburning detection and alarm controller. The control method comprises the following steps of initialization, fire detection, alarm and fire extinguishment; the fire extinguishment comprises the steps of point fire extinguishing scheme generating, multi-point fire extinguishing scheme generating and full fire extinguishing scheme generating. According to the power transformer fire extinguishing system and the control method, the main pipe network is buried under a terrace, the safety is high, and the stable reliability of the fire extinguishing system is guaranteed; a point fire extinguishing scheme, a multi-point fire extinguishing scheme and a full fire extinguishing scheme are designed according to different fire types, and the fire extinguishing efficiency and the fire extinguishing effect are greatly improved.