186results about How to "Effectively extinguish" patented technology

The invention relates to an A popular type multifunctional foam fire extinguishing agent, which mainly consists of a protecting colloid consisting of microlite chitin, sesbania gum and hydroxyethyl cellulose; vesicant consisting of polyoxyethylene fatty alcohol sodium sulfate, alkyl polysaccharide glycoside, salt free imidazoline and hydrocarbon surface active agent; burn resisting film forming agent consisting of silicone surface active agent, fluorocarbon surface active agent and fluorocarbon silicone surface active agent; flame retardant comprising one or a plurality of condensed phosphate, borax and boric acid; addition agent consisting of short chain alcohol and ether and metal salt; osmotic agent which is high efficient osmotic agent BS or rapid osmotic agent T; and water margin. Being applicable for the prior various foam fire extinguishing devices, the fire extinguishing agent not only can put out the polar and non-polar A, B fires, but also can effectively put out the polar and non-polar mixture fires with any ratio with little fire extinguishing agent and water. The invention has the advantages of simple processing technique, no special facility, low cost and no environmental pollution in production and usage.

The general multifunctional foam fire-extinguishing agent consists of plant protein 0.8-30 wt%, sugar 0.8-30 wt%, hydrocarbon surfactant 1-12 wt%, fluoric surfactant 0.1-5 wt% and additive 5-20 wt%, except water. The general multifunctional foam fire-extinguishing agent may be used to extinguish fire of alcohol and other polar chemical matter and / or light oil, heavy oil and other non-polar chemical matter. The general multifunctional foam fire-extinguishing agent contains no corrosive chemical matter, and has self-cleaning property, capacity of prolonging the service life of the fire-extinguishing equipment, no toxicity and no harm to human body and no environmental pollution.

The invention discloses a device for testing thermal runaway inhibition efficiency of battery pack thermal management systems. The device comprises a testing portion, a battery thermal runaway triggerportion, a battery state monitoring portion, an emergency extinguishment portion, a smoke detection system and an intelligent control system. The device has advantages that thermal runaway triggeringof lithium ion battery packs with or without thermal management systems is realized in various ways, various extreme and misuse conditions of the battery packs in electric vehicles can be simulated;by acquisition of temperature, voltage, current and thermal generation characteristics and generated smoke components and toxicity of the battery packs before and after providing of the thermal management systems, thermal runaway generation and spreading inhibition efficiency of the battery pack thermal management system is systematically tested, efficient extinguishment of fire possibly caused bythermal runaway tests is realized, and accordingly personnel and equipment safety is guaranteed; in addition, data and technical supports can be provided for assessment of reliability and safety of the thermal management systems, and high practical value and important significance to improvement of safety of the electric vehicles are realized.

The invention provides an intermittent high-rise building external wall automatic fire extinguishing system. The intermittent high-rise building external wall automatic fire extinguishing system comprises a plurality of fire detection devices, a control device, a plurality of fire extinguishing devices and a water supply device. The fire detection devices are distributed on the external wall of a building to form a fire detection network for detecting a fire situation at the outer wall of the intermittent high-rise building and transmitting the obtained information to the control device; the control device is used for acquiring a fire locus position of the intermittent high-rise building external wall according to the fire information of the fire detection devices and automatically controlling the water storage operation of the water supply device and the fire extinguishing operation of the fire extinguishing devices according to the preset procedure; the fire extinguishing devices located on the external wall of the building; each fire extinguishing device comprises a water curtain firefighting spray nozzle and a rain firefighting spray nozzle connected with a firefighting pipe in a controlling mode; the water supply device is connected with each fire extinguishing device through the fire pipe in a controlling mode to supply the water to the fire extinguishing device; the opening and closing of the firefighting pipe are controlled through the control device. According to the intermittent high-rise building external wall automatic fire extinguishing system, the role of effective fire retardance, cooling, isolation and fire fighting is achieved under the situation that the external wall of the building is on fire caused by the fire of some areas of the high-rise building or the external wall of the building is directly on fire, the spread of fire is avoided and the losses are reduced.

The present invention provides methods, compositions and apparatus for removing oil and extinguishing fires using glass particles including crushed glass and fiberglass from an oil containing or fire containing surface. The fire containing surface can be any surface but in particularly desired embodiments the fire containing surface is a water surface, earthen surface, a mixture of earth and water or any surface that will hold a flammable substance. When the flammable substance is oil, the application of glass particles adsorbs oil and accretes into a mass sinking below the fire or oil containing surface. If greater floatation is desired, glass fibers can be added. The invention is particulary amendable to use with oil fires and magnesium fires and allows remediation of oil adsorbed to the glass surface. The invention also provides an apparatus for extinguishing fires from a surface by discharging glass particles over the oil or fire containing surface.

The invention provides an intelligent fire-fighting system and method for a transformer substation. The intelligent fire-fighting system comprises a plurality of fire-fighting robots and fire-fightingmedium supply equipment as well as a control center, wherein the fire-fighting robots and the fire-fighting medium supply equipment are arranged on each area in the transformer substation in a spacedmode; the fire-fighting medium supply equipment can be fixed, and also can be movable; while a fire behavior occurs, ignition point information can be obtained according to a smoke / temperature sensorarranged on each area in the transformer substation, also can be obtained by sensors on the fire-fighting robots, and also can be detected by arranging an unmanned aerial vehicle. The control centerschedules the fire-fighting robot closest to the ignition point, so that the fire-fighting robot firstly goes to the ignition point to extinguish fire; and meanwhile, other fire-fighting robots closerto the ignition point or the fire-fighting medium supply equipment can be scheduled to go to the ignition point. The intelligent fire-fighting system realizes timely fire-extinguishing and adaptive fire-extinguishing.

A turbidimeter having an arrangement of internal surfaces, optical surfaces, and optical restrictions to the field of view of both the illumination and the detector means to significantly improve the lower detection limit of the turbidimeter by reducing the detected signal due to stray light.

The present invention provides one kind of high efficiency multipurpose foam extinguishant and its preparation process. The multipurpose foam extinguishant consists of water, protecting colloid 1-2 wt%, foaming agent 5-10 wt%, fireproof filming agent 0.5-3 wt% and water for the rest. The protecting colloid is natural plant polysaccharide, chitin and its derivative; the foaming agent includes several kinds of hydrocarbon surfactants; and the fireproof filming agent includes several kinds of special surfactants. The multipurpose foam extinguishant is prepared through mixing the said components, and the preparation process is simple, high in efficiency, environment friendly and power saving. The multipurpose foam extinguishant may be applied to replace available foam extinguishants and may be used with various kinds of available foam extinguishing apparatus.

The invention discloses a method for controlling the particle size distribution and content of an ABC powder extinguishing agent, which comprises the following steps of: (1) firstly, crushing diammonium phosphate with an LF concealed and stepped super micro mill and controlling the 'particle size distribution' of the diammonium phosphate; secondly, controlling the 'particle size distribution' of other materials in 0.125 millimeter, 0.063 millimeter and 0.040 millimeter sieves and an underpan; and finally, controlling the 'particle size distribution' and 'content' of the product. The ABC powder extinguishing agent prepared by the method can effectively extinguish class A, B and C fires and electric equipment fires, has a class A, B, C fire extinguishing efficiency which is 1 to 3 times of that of the prior ABC powder extinguishing agent, saves raw material cost, improves extinguishing efficiency and can match products made in advanced countries across the world in performance.

The invention discloses a railway rescue station with smoke prevention and exhaust and personnel emergency evacuation functions. The railway rescue station is divided into an upper-layer structure, amiddle-layer structure and a lower-layer structure; the upper layer of the station is a smoke exhaust channel; the middle layer of the station is a rescue station body; the lower layer of the stationis an evacuation channel; a tunnel in the longitudinal range of the railway rescue station is composed of an upper-layer train tracking area and a lower-layer evacuation layer, and smoke exhaust portsare evenly formed in the upper portion of the inner side of a track of the upper-layer train tracking area; each smoke exhaust port is internally provided with a remote control smoke exhaust air valve; each smoke exhaust port is provided with a fire smoke detection module; the opposite sides of each smoke exhaust port are provided with directional jet fans; the upper portion of the train trackingarea is provided with mobile jet fan groups and movable fire extinguishing bins separately; escape staircases are arranged between the upper-layer train tracking area and the lower-layer evacuation layer. The railway rescue station mainly solves the problem that an evacuation platform cannot be arranged on a conventional rescue station for two two-hole single-line tunnel with short transverse distance, and the efficiency of smoke exhaust and personnel evacuation is improved.

The present invention discloses a backpack tiny water-fog extinguishing device, and comprises a backplate (5), a liquid storage tank (14) and a spraying gun (10), wherein, one side of the liquid storage tank (14) is provided with a high-pressure gas bottle (13), and the backplate (5) at the other side of the liquid storage tank (14) is provided with a gun cylinder (21) that is used for holding the spraying gun (10); the high-pressure gas bottle (13) is connected with a reducing valve (12) that is provided with one inlet connection port and two outlet connection ports; one way of the reducing valve (12) is connected with the upper part of the liquid storage tank (14) through a retaining valve (6), and the other way of the reducing valve (12) is connected with a positive-pressure air respirator (20); the positive-pressure air respirator (20) comprises an absorber reducing valve (15) that is provided with one inlet connection port and two outlet connection ports, a pressure meter (1) and an breathing mask (8), which are connected with the two outlet connection ports; with the structure, the backpack tiny water-fog extinguishing device can effectively extinguish the fire of category A, B and E; compared with the traditional device, the backpack tiny water-fog extinguishing device has more scientific and reasonable structure, and is simpler and more high-efficient to be used.

The invention relates to the field of fire fighting and fire extinguishing, and discloses an ABC ultrafine dry powder extinguishing agent and a preparation method thereof. The ABC ultrafine dry powder extinguishing agent comprises the following components in percentage by weight: 3-5% of mica powder, 3-6% of hydrophobic fumed silica, 0.9-1.5% of high-boiling silicone oil, 0.8-1.5% of water, 1-1.5% of gasoline, and the balance of type II ammonium polyphosphate. The preparation method disclosed by the invention is simple; the prepared ABC ultrafine dry powder extinguishing agent can satisfy the related requirements of a GA578-2005 ultrafine dry powder extinguishing agent, and has excellent submerging type fire-extinguishing effect; in addition, the storage period is long.

The invention relates to a dual-drive mixing fine water mist fire-extinguishing system, which comprises an external steel cylinder, liquid-state carbon dioxide, a magnetic induction generator, an electric starter, a steel cylinder ejection switch, a gas pipeline, a water level probe, a fire extinguishing agent storage tank, a fire extinguishing agent, a built-in fire extinguishing agent ejection pipeline, a water storage tank spraying nozzle switch, a pressure limiting protection valve, a base bracket, a fastening snapping ring, an external fire extinguishing agent ejection pipeline and a fine water mist spraying nozzle. According to the dual-drive mixing fine water mist fire-extinguishing system of the present invention, the high temperature gas generated after liquid-state carbon dioxide gasification is adopted as the power source, the liquid fine water mist and the gas carbon dioxide are adopted as the fire extinguishing medias, and the two fire extinguishing ways such as the gas fire extinguishing and the fine water mist fire extinguishing are used during the fire extinguishing, such that the defects that the gas fire extinguishing requires the sealed space and the fine water mist fire extinguishing can not bypass the obstructions and directly contact the combustion zone is overcome to a certain extent, the advantages of the two fire extinguishing ways are completely provided, and the defects of the two fire extinguishing ways are overcome, wherein the most significant characteristic such as the complete advantage providing and the defect overcome of the system of the present invention is distinguished from the previous single fire extinguishing way.

The invention relates to a multifunctional efficient protective storage box for lithium batteries. The multifunctional efficient protective storage box for the lithium batteries comprises a bearing keel, protective side plates, a partition, flame-retardant protective plates, a charging and discharging circuit, a charging and discharging connecting terminal, emergency fire extinguishing tubes, a low-temperature inert gas storage bottle, spraying nozzles, a smoke sensor and a control system, wherein the protective side plates wrap the outer surface and the inner surface of the bearing keel to form a closed bearing cavity; a positioning cavity is formed between the protective side plates of the outer surface and the inner surface of the bearing keel; the bearing cavity is divided into bearing chambers by the partition; the flame-retardant protective plates are connected with the inner surfaces of the bearing chambers; the charging and discharging circuit is electrically connected with the bearing chambers through the charging and discharging connecting terminal; the spraying nozzles respectively communicate with the emergency fire extinguishing tubes; the smoke sensor is electrically connected with the control system; and the low-temperature inert gas storage bottle and the control system are slidably connected with the bearing keel through sliding tracks. On the one hand, the multifunctional efficient protective storage box for the lithium batteries has good bearing ability and positioning ability; and on the other hand, fire caused by self-combustion of the lithium batteries due to faults can be effectively controlled and extinguished in time.

The invention provides an aqueous foaming Newtonian concentrate, an expanded foam composition and a process of forming a foam composition concentrate. The aqueous foaming concentrate includes a carbonized saccharide mixture, a surfactant, water and optionally further agents including cross-linking agents, thickeners, solvents, stabilizers, buffers, corrosion inhibitors and preservatives. Foaming concentrates of the present invention are free of fluorine and persistent organic pollutants and particularly suited for use in fire prevention, suppression and extinguishment, vapor suppression and wetting of surfaces at concentrations less than 1.3% by weight.

The invention relates to a funnel fire extinguishing system and a fire extinguishing method.When a fire breaks out in a tunnel, a start button is pressed, or a compressed air foam gun automatically finds a fire area and is automatically started, or a worker remotely starts the compressed air foam gun, a system controller starts a compressed air foam generation device and switches on partition control valves, water flow is automatically adjusted, foam liquid and gas flow can be automatically adjusted according to water flow, compressed air foam is formed and a foam gun in a field worker handheld box is aligned to the fire area for fire exchanging, or the compressed air foam gun is automatically aligned to the fire area for jet fire extinguishing, or the worker remotely controls the compressed air foam gun to be aligned to the fire area for jet fire extinguishing.After fire extinguishing, a system restores the initial state under normal conditions.The problems that the fire extinguishing mode of an existing fire extinguishing technology in the tunnel is single, the fire extinguishing efficiency is low and safe evacuation of staff is not easy are solved.Fire extinguishing efficiency of the system is guaranteed.

The invention discloses an automatic tracking and positioning jet flow fire extinguishing system for a ship. The automatic tracking and positioning jet flow fire extinguishing system comprises a detector, a central processing unit and an automatic tracking and positioning jet flow fire extinguishing device. The detector is used for collecting and analyzing fire signals in a protection place in real time, whether a fire happens or not is judged, and if the fire happens, a fire alarm signal is sent to the central processing unit. The central processing unit is used for sending a control signal according to the received fire alarm signal to control the automatic tracking and positioning jet flow fire extinguishing device to be started. The automatic tracking and positioning jet flow fire extinguishing device is used for aiming at the fire happening position according to the received control signal to spray water so as to extinguish the fire. The automatic tracking and positioning jet flow fire extinguishing system has the capabilities of initiative fire judging, positioning and starting, the whole process from fire finding, fire confirming, system starting and jet flow fire extinguishing to water jetting stopping after fire extinguishing of the whole system is initiatively completed, the amount of sprayed water is concentrated, the flowing speed is high, the flushing amount is large, water flow can make direct contact with a combustion material to act on the roots of flames, the flames are stripped off from the combustion material so that combustion can be interrupted, and the fire can be effectively extinguished.

A preparation method of pulverized fuel ash containing inhibition slurry for controlling fire in a coal field comprises the step of adding pulverized fuel ash, aluminium phosphate, magnesium chloride, sodium carboxymethylcellulose, sodium silicate and sodium bentonite material in water to prepare high-inhibition and high-temperature-resistance pulverized fuel ash thickening slurry. The prepared thickening slurry is conveyed to a burning coal seam or a coal fracture through a grouting pipeline by a high-pressure screw pump. After a period of time, the inhibition slurry can be thickened and solidified into a solid form. The inhibition slurry can resist high temperature of above 1,000 DEG C, can form a hard blocky structure after evaporation of water, and can closely cover the coal and block the fracture. The pulverized fuel ash containing inhibition slurry is low in cost, safe and environment-friendly, and remarkable in control effect on coal spontaneous combustion fire in the coal field, and has a good application prospect.

The invention discloses a fire-proof aluminum deck of a helipad. The fire-proof aluminum deck of the helipad comprises an upper panel and a lower panel, wherein a left support and a right support are arranged between the upper panel and the lower panel; an oil passing hole is formed in the upper surface of the upper panel; a stuffing net is arranged between the upper panel and the lower panel; and a stuffing aluminum foil net is filled in an inner cavity formed by the stuffing net, the left support, the right support and the lower panel in a surrounding manner. The oil passing hole for guiding fuel oil to flow into a deck body is formed in the upper panel of the fire-proof aluminum deck, and the stuffing net and the stuffing aluminum foil net for separating flames from the fuel oil are arranged inside the deck body, so that when burning fuel oil flows into the stuffing net and the stuffing aluminum foil net through the oil passing hole, the flames on the fuel oil are separated by the stuffing net and the stuffing aluminum foil net, while the fuel oil quickly flows to the lower panel through the stuffing net and the stuffing aluminum foil net under the action of gravity and then flows out of the deck body, thus quickly and effectively putting out a flowing fire caused by fuel oil leakage on the helipad.

The invention discloses a fire extinguishing protective system for a passenger compartment of a bus. The fire extinguishing protective system comprises a water mist spraying device, a fire extinguishing device and a starting device, wherein the water mist spraying device comprises a water storage tank, a first transmission pipeline and a first water mist nozzle; the first water mist nozzle is installed at the top part on the inner side of the bus and is connected with the water storage tank by virtue of the first transmission pipeline, the water storage tank is connected with a power mechanism; the fire extinguishing device comprises a water mist fire extinguishing mechanism and / or a gas fire extinguishing mechanism, wherein the water mist fire extinguishing mechanism comprises a second transmission pipeline and a second water mist nozzle, and the second water mist nozzle is installed at the bottom of the passenger compartment wall of the bus and is connected with the water storage tank or another water storage tank by virtue of the second transmission pipeline; the gas fire extinguishing mechanism comprises a fire extinguishing agent vessel, a fire extinguishing agent transmission pipeline and a fire extinguishing agent nozzle, wherein the fire extinguishing agent vessel is filled with a gas fire extinguishing agent, and the fire extinguishing agent nozzle is installed at the bottom of the passenger compartment wall of the bus and is connected with the fire extinguishing agent vessel by virtue of the fire extinguishing agent transmission pipeline; the starting device comprises a main controller, and the main controller is connected with a starting button and / or fire detector.

The invention discloses an automatic firefighting control system of a wind turbine generator system. The automatic firefighting control system is characterized by comprising an air-breathing type smoke-sensitive fire hazard detection alarm device, a firefighting monitoring device, an automatic fire extinguishing device and a shared fireproof plugging device, wherein the air-breathing type smoke-sensitive fire hazard detection alarm device comprises an air-breathing type smoke-sensitive fire hazard detector and a sampling pipeline in match; the firefighting monitoring device is arranged in a central control center of a wind power plant; the automatic fire extinguishing device comprises an automatic pulse type dry powder fire extinguishing device and an automatic aerosol fire extinguishing device for achieving total flooding fire extinguishment protection; the special firefighting plugging device is arranged at the connection part of a wind turbine generator system cabin and a tower cylinder. The automatic firefighting control system of the wind turbine generator system can sample at real time, analyze by self and determine the alarm grade automatically, so that working personnel can master the fire hazard progress at real time, accurate and reliable firefighting measures can be taken according to the alarm grade, and due to complete information self-provision and self-analysis capability, the firefighting management can be correctly and orderly executed.

The macromolecular flame-retardant fire-extinguishing agent is made up by using water soluble substrate containing anion group through the processes of cross-linking and grafting, adding correspondent flame-retardant active substrate, and mixing them with water. It is high in fire-extinguishing effect, and its performance is stable and cost is low.

The present invention features systems, methods and devices directed to fire suppression and / or extinguishment using solid carbon dioxide and / or liquid or aqueous hydrogen. Systems and methods of deployment and / or dispersal of carbon dioxide and hydrogen (which would form water at its deployment location) are contemplated. The present invention also contemplates method(s) of fire suppression and / or extinguishment which may include the steps of: carbon dioxide canister deployment, formation of a carbon dioxide curtain and hydrogen deployment and / or dispersal.

The invention belongs to the technical field of aluminum alloy doors, and particularly relates to an aluminum alloy door with a fireproof function. The aluminum alloy door aims at solving the problemsthat when people open a door body of an existing aluminum alloy door, if the wind power is large or the force generated when people close the door is too large, the door body can be quickly closed, severe impact force is caused, and the service life of the aluminum alloy door is affected. According to the scheme, the aluminum alloy door comprises a door frame, wherein a mounting opening is formedin the door frame in a penetrating mode, a door body is hinged to the mounting opening, a u-shaped support is slidably connected to the front end face of the door frame, a temperature sensor fixed tothe front end face of the door frame is arranged below the door body, and a control panel fixed to the front end face of the door frame is arranged above the u-shaped support. According to the aluminum alloy door, through a buffer mechanism, the force generated when the door body is naturally closed can be buffered, the problem that the impact force generated when the door body is naturally closed is too large under the influence of strong wind or manpower is avoided, and the service life of the door body is greatly prolonged.

The invention relates to an extinguishing method and device by two-phase flow water-mist of preheated water. The method is characterized by comprising the following steps of: preheating the water before extinguishing fire, guiding the preheated water into a two-phase flow ultrafine water mist nozzle through a spiral-flow atomization mixer, and spraying the water mist to extinguish fire by adopting a stepwise extinguishing manner, i.e. carrying out single-phase flow preheated water extinguishment within 30 seconds after the system is started, and preheating a protected area; and starting a gaspath to carry out two-phase flow fire extinguishment after 30 seconds. The invention further discloses an extinguishing device by water-mist of the preheated water, which is characterized in that a heating device is additionally arranged in an extinguisher, wherein the water-mist extinguishing device is used for carrying out the single-phase flow preheated water fire extinguishment within 30s after the system is started, the protected area is preheated, and the gas path is started after 30s for carrying out the two-phase flow fire extinguishment.

The invention provides an alcohol storage tank, wherein the alcohol storage tank comprises a storage tank body, a cooling pipe inside the storage tank, a thermal insulation layer at the outer layer of the storage tank; the cooling pipe has two cooling water inlets which are respectively located in the upper portion and the middle portion of the storage tank body; the outlet of the cooling pipe is located in the lower portion of the storage tank body. The alcohol storage tank has the advantages of being able to quickly and effectively reduce the temperature of high concentration alcohol inside the storage tank; the cooling pipe is directly arranged inside the storage tank, thus the cooling efficiency thereof is high, and the energy resource can be saved. Meanwhile, the thermal insulation layer outside the storage tank body is able to effectively prevent the heat exchange between the interior of the storage tank body and the external environment; a stable low temperature state can also be maintained inside the storage tank body especially in hot summer.

The invention provides a battery box with a fire-fighting structure and an energy-storage battery cabinet. The battery box comprises a box body provided with an air inlet structure communicating withthe interior of the box body, an air outlet mechanism arranged on the box body and communicating with the interior of the box body, a fire-fighting pipeline communicating with the interior of the boxbody and close to the air outlet mechanism, wherein the air inlet structure and the air outlet mechanism are arranged on the two sides of the box body respectively. According to the battery box, the air inlet structure and the air outlet mechanism are arranged on the box body, so that on one hand, air in the box body can flow to cool the interior of the box body and ensure the temperature during operation of a battery, and on the other hand, a gaseous extinguishing agent can be introduced during battery burning to effectively extinguish open fire; a liquid extinguishing agent is introduced into the box body through the fire-fighting pipeline after the open fire is extinguished; the liquid extinguishing agent can be stored in an inner space of the box body; and the battery re-burning can beprevented under the soaking of the liquid extinguishing agent.