55results about How to "Fire extinguishing effect" patented technology

The invention relates to the technical field of fire protection of power distribution cabinets, in particular to a high-voltage power distribution cabinet with a fire extinguishing device, which includes a box body, a switch door is provided on one side of the box body, and the switch door is rotatably connected to the box body through a hinge. Above, the controller is connected to the smoke sensor, the controller is connected to the switch valve inside the pipeline, the two side walls adjacent to the switch door of the box body are provided with several ventilation holes, and the rotating shaft is horizontal placed, and the two ends of the rotating shaft are rotatably connected to the first U-shaped support plate. Placed in the cavity, the end of the fireproof cloth is fixed with an iron block, the iron block is adsorbed on the electromagnet, the electromagnet is placed on the side wall of the cavity, and the electromagnet and the controller connect. The invention can effectively extinguish the fire, effectively prevent the expansion of the fire, and prevent the damage of more instruments.

The invention discloses an extinguishing device for a tall building roof, mainly comprising a water storage tank (2) arranged a roof plane (1), a firefighting pump (3) communicated with the inside of the water storage tank (2) and a long-arm fire monitor (4) connected with the firefighting pump (3). By using the extinguishing device, the problem that fire extinguishment in a tall building and a super-tall building can be well solved. The extinguishing device has unique function and remarkable advantage of extinguishing fire in the tall building.

The invention discloses an explosion prevention and fire extinction testing device for a lithium ion battery. The device comprises a base 2 and a protective shell 9, and is improved in a way that a battery 1 is arranged between the base 2 and a cavity of the protective shell 9, and the cathode and the anode 14 of the battery are connected with testing terminals 12 on charging and discharging test lines 3; the base 2 is provided with a temperature controlled switch 4 which comprises a temperature sensor 6 and a signal line 5; the temperature sensor 6 is connected with the lithium ion battery 1. According to the explosion prevention and fire extinction testing device for the lithium ion battery, a high-temperature abnormal phenomenon can be timely sensed, a circuit can be timely, rapidly and effectively broken to reduce the temperature of the battery, and meanwhile, inert gas can be emitted to isolate the battery, so that the lithium ion battery can be prevented from being exploded and burnt due to high temperature.

The invention relates to an AB type aqueous fire extinguisher which comprises a simple fire extinguishing container and an aqueous fire extinguishing agent packaged in the simple fire extinguishing container. The aqueous fire extinguishing agent comprises a component 1 and a component 2, the component 1 is water, and the component 2 is a main fire extinguishing agent body. The main fire extinguishing agent body is composed of, by weight, 8-20 parts of ammonium chloride, 5-15 parts of carbonate, 13-30 parts of diammonium hydrogen phosphate and 1-15 parts of bicarbonate. The aqueous fire extinguishing agent is packaged in the impact damage type container or the pressure storage type spraying container and made into manual casting type fire extinguishing liquid bombs or fire extinguishing mist spray, the fire extinguishing speed is high, and instant fire extinguishment can be achieved. The AB type aqueous fire extinguisher is small in size, low in weight, convenient to carry and low in cost, fire extinguishment can be achieved rapidly during a quite short period of time for A type fire disasters and B type disasters, reburning is avoided, the safety is high, an operation method is simple, and the AB type aqueous fire extinguisher is suitable for people of all ages to use and can serve as a simple standing fire extinguishing tool for homes, offices and the like.

The invention provides an anti-burn and anti-distortion cable based on flame-retardant inert gas, and relates to the technical field of cables. The invention discloses an anti-burn and anti-distortioncable based on flame-retardant inert gas. The device comprises an outer package, an inner cavity is formed in the outer package, a first fireproof coating is fixedly installed on the inner side of the outer package, an inner package is fixedly installed in the outer package, a connecting rod is fixedly connected between the inner package and the outer package, and a second fireproof coating is fixedly installed on the periphery of the inner package. The invention discloses an anti-burn and anti-distortion cable based on flame-retardant inert gas. Concentrated heating of internal wires is avoided, torsion generated by twisting can be buffered, the phenomenon that the wires are broken due to long-time excessive twisting is avoided, internal filling materials are saved, the flexibility of the cable is improved, the effect of fire on the cable is relieved, fusing of the internal wires is relieved, and time is bought for cutting off a cable power source.

The invention relates to the technical field of fire extinguisher valves, in particular to a fire extinguisher valve with a limiting assembly. The fire extinguisher valve comprises a mounting sleeve,a valve body structure, a pressing structure, a limiting structure, a positioning structure and a lubricating structure. Through the arrangement of the limiting structure, not only the pressing structure can be limited thereby preventing ejection caused by false touch, the assembly for limiting the pressing structure can be rapidly contracted when the pressing structure is needed to be used so that the rapid use of the pressing structure can be ensured; through the arrangement of the positioning structure, the effect of fire extinguishing can still be achieved without the need of pressing allthe time after the pressing structure is pressed, and the size of required ejection can be adjusted according to the actual condition so that better targeted fire extinguishing can be achieved, and the better fire extinguishing effect can be achieved; and the pressing structure can also act on the lubricating structure while working, the work of the lubricating structure can perform oiling and lubricating work on the positioning structure, and therefore the effect of lubricating a rotary part during pressing can be realized, and the situation of laborious rotating is avoided.

The invention discloses a multi-input single-output compressed air foam system based on a PLC. The system comprises a water flow detection unit connected with a foam loop control algorithm unit and an air loop control algorithm unit. The water flow detection unit, the foam loop control algorithm unit and the air loop control algorithm unit are all connected with the PLC, and the PLC is further connected with the alarm. The invention further discloses a control method of the multi-input single-output compressed air foam system based on the PLC. The problems that in the prior art, a compressed air foam device is immature in control method, unstable in control, unreliable in result, unobvious in fire extinguishing effect and unstable in foam quality are solved.

The invention provides a novel explosion-proof flame-retardant belting material for a cable, which comprises the following components in percentage by mass: 70-97% of a flame-retardant rubber materialand 3-30% of a framework material, and the framework material is a flame-retardant fiber mesh material with the strength of more than 25g/denier. The flame-retardant rubber material comprises a halogen-free flame retardant, liquid rubber, a filler, a chain extender and a catalyst. The framework material is controlled to be designed to be a flame-retardant fiber mesh type, good ventilation performance is achieved, air circulation is facilitated, heat generated by the cable in the operation process can be dissipated to the external environment in time, the temperature of the cable is reduced, and the service life of the cable is prolonged. By controlling the mass percentage of the halogen-free flame retardant in the flame-retardant rubber material to be 35-70%, the explosion-proof flame-retardant belting material can be instantly expanded and foamed under the action of open fire, thereby playing a good role in fire prevention and heat insulation on the internal cable and effectively protecting the cable from being damaged by fire accidents.

The invention discloses an automatic carbon dioxide fire-extinguishing device for an industrial workshop and belongs to the field of industrial automation. By the adoption of the automatic carbon dioxide fire-extinguishing device for the industrial workshop, the problems that according to existing traditional fire-preventing measures for the industrial workshop, the reaction time is long, and secondary damage is likely to be caused are mainly solved. Smoke sensors are fixed to the wall of the workshop in a screw connection mode. A carbon dioxide draught fan is of a centrifugal type and is installed on the outer side of the wall of the workshop. A carbon dioxide ventilation opening penetrates through the wall of the workshop and reaches the inner side of the wall of the workshop. The carbon dioxide draught fan and the smoke sensors are connected with a computer through cables. The carbon dioxide draught fan and the smoke sensors are connected in parallel. A smoke sensor signal analysis module is inlaid in the computer. Compared with the existing fire-preventing and fire-extinguishing measures for the industrial workshop, the device has the beneficial effects of being responsive and rapid in action; meanwhile, due to the fact that an inert gas fire-extinguishing method is adopted, secondary damage to equipment is avoided, and thus the loss caused by a fire disaster is greatly reduced.

The invention relates to the field of mine fire, gas and derived disaster protection equipment, in particular to a suspended track type movable fire-extinguishing explosion-proof device. The device comprises a motion execution system, wherein the motion execution system is suspended on a track and can move along the track; a carrier, wherein the carrier is arranged in the motion execution system,a cavity is formed in the carrier, and an openable box door is arranged at the bottom side of the carrier; and a fire extinguishing system, wherein the fire extinguishing system comprises a fire extinguishing agent heat preservation layer arranged in the cavity. The suspended track type movable fire-extinguishing explosion-proof device of the invention can monitor the conditions of gas concentration, temperature and the like in a mine in real time; after detecting that a fire occurs in the mine, fire extinguishing treatment is carried out through the stored dry water-carbon dioxide hydrate fire extinguishing agent; and after the fire extinguishing treatment, if the gas concentration in a roadway is too high, a self-suction explosion-proof system is started to suck the gas into the storagecavity to form hydrate with the water solution, so that the concentration of the gas in the roadway is reduced, and gas explosion in the mine is avoided.

The invention discloses a pre-buried double-pipe stepping type goaf nitrogen injection method which comprises the following steps: firstly, determining the length of an oxidation heating zone of a goaf, enabling the oxidation heating zone to move forwards along with the recovery of a fully mechanized coal mining face, and laying two nitrogen injection pipes in front of and behind a whole recovery air inlet roadway, namely a first nitrogen injection pipe and a second nitrogen injection pipe. The two nitrogen injection pipes are respectively connected with a nitrogen injection source through valves outside a mining stopping line of a working face, and the two nitrogen injection pipes move forwards to oxidize a heating zone to perform double-pipe stepping type nitrogen injection along with pushing mining of the working face, so that the spontaneous combustion phenomenon of residual coal in a goaf can be avoided, the fire extinguishing effect is achieved, and the purpose of preventing and extinguishing fire is achieved. Smooth operation of a coal face is guaranteed, the safety coefficient of coal mining operation is improved, two pipelines are directly buried at a time, stepping alternating type nitrogen injection is carried out, and the problems that a conventional nitrogen injection pipeline is difficult to install and recycle, prone to breakage and short in working time are solved.

The invention provides a fire-extinguishing device and a fire-extinguishing system, relates to the technical field of fire-fighting and aims to solve the problem that safety of a hot commissioning site is difficultly ensured in the prior art. The fire-extinguishing device comprises a control mechanism, a first driving mechanism and a bullet pushing mechanism, the control mechanism comprises a flame sensor and a controller, the flame sensor is connected with the controller and used for detecting flames and transmitting flame detection signals to the controller, the controller controls the firstdriving mechanism to start according to the flame detection signals transmitted by the flame sensor, and the first driving mechanism is used for driving the bullet pushing mechanism to launch fire extinguishing bullets. The fire-extinguishing device can be automatically started to extinguish fire while firefighters do not need to approach the flames, so that safety of the firefighters is guaranteed.

The invention relates to a water-based fire extinguishing agent for extinguishing a gasoline-type fire and further provides a preparation method of the fire extinguishing agent. The formula of the water-based fire extinguishing agent comprises 1%-3% of nonionic surfactants, 5%-15% of one or two of KBr or NaBr, 0.1%-0.5% of EDTA disodium and the balance CO2 water solution. The preparation method ofthe fire extinguishing agent comprises the following steps that by mass, the nonionic surfactants, one or two of the KBr or the NaBr and the EDTA disodium are weighed; and firstly, the EDTA disodiumis dissolved into water and stirred, then the nonionic surfactants, and one or two of the KBr or the NaBr are dissolved into the water to prepare the water solution, then 0.5-2 MPa of CO2 gas is applied to the solution in an airtight condition, still standing is conducted for more than 1 h, and the fire extinguishing agent is obtained. According to the fire extinguishing agent, the fire extinguishing efficiency on gasoline can be greatly improved.

A remote control type automatic fire extinguishment fire fighting truck comprises an externally arranged control mechanism, a truck body, a communication adaption device, a fire extinguishing agent preparation system, a material conveying device, a spray gun and a power mechanism, wherein the communication adaption device, the fire extinguishing agent preparation system, the material conveying device, the spray gun and the power mechanism are arranged on the truck body. The power mechanism is electrically connected with the communication adaption device, the fire extinguishing agent preparation system, the material conveying device and the spray gun. The externally arranged control mechanism controls the fire extinguishing agent preparation system, the material conveying device and the spray gun to complete preparation, conveyance and located spray of a fire extinguishing agent under the power supply of the power mechanism through the communication adaption device. According to the remote control type automatic fire extinguishment fire fighting truck, through the fire extinguishing agent preparation system adopting the manner that the fire extinguishing agent is used after being prepared in real time, waste of fire extinguishing chemical resources is avoided to the maximum extent; through the arrangement of an internal and external combination type sprayer, the fire extinguishment efficiency is significantly improved; remote control is achieved through the external remote control mechanism, and injuries and deaths are avoided; and the remote control type automatic fire extinguishment fire fighting truck is high in the overall automation degree, small in resource consumption and good in fire extinguishment effect.

The invention discloses an automatic protection device for a transformer; the device comprises a bottom plate, the top of the bottom plate is provided with a transformer, a binding post at the top of the transformer is connected with two insulated wires used for power transmission, the top parts, close to the two sides, of the bottom plate are fixedly provided with mounting strips, and the outer walls of the two mounting strips are provided with sliding grooves. Two sliding grooves are formed in the bottom plate, lifting blocks are vertically installed in the two sliding grooves in a sliding mode, springs are connected to the tops of the two lifting blocks and the inner walls of the two sliding grooves correspondingly, cutting knives are installed at the bottoms of the two lifting blocks, and grooves allowing the cutting knives to penetrate through are formed in the positions, located below the two cutting knives, of the top of the bottom plate correspondingly. Through cooperation of the structures, when the transformer encounters a fire emergency situation, power-off protection can be conducted on the transformer in the first time, the effect of conducting processing protection on the transformer in time is achieved, secondary accidents are prevented from being caused, and the protection performance of the transformer is further improved.

The invention relates to a suspension type water mist fire extinguishing system, and belongs to the technical field of fire-fighting engineering. The suspension type water mist fire extinguishing system comprises a suspension frame, a water pump, a tank body, a gas tank and a fire suppression tank; a gas pipe is in communication between the gas tank and the fire suppression tank, and a switch assembly for opening and closing the gas pipe is arranged on the gas pipe; a spray pipe is arranged at the bottom of the tank body, and spray holes are formed in the side wall, away from the tank body, ofthe spray pipe; and a water inlet of the water pump is in communication with the tank body, a water outlet of the water pump is in communication with the spray pipe, an outer sleeve pipe sleeves thespray pipe, and a connecting pipe is in communication between the outer sleeve pipe and the fire suppression tank. When a fire occurs, the water pump pumps water in the tank body into the spray pipe,and the water is sprayed out from the spray holes to form water mist; and high-pressure gas in the gas tank is conveyed into the fire suppression tank through the gas pipe, a fire suppressant in the fire suppression tank is brought into the connecting pipe by high-speed gas flow, then enters the outer sleeve pipe and is sprayed to a fire source along with water mist, the fire extinguishing effectis achieved, the fire suppression effect is effectively improved through the fire suppressant, and the use amount of water is reduced.

A new type of fire extinguisher for fire fighting, comprising a fire extinguisher barrel, a buckle groove and a buckle; the top of the fire extinguisher barrel is provided with a fire extinguisher pressure handle; Nozzle; a handle is welded on the outer wall of the right end of the fire extinguisher barrel; a connecting rod is connected to the bottom end of the inner wall of the pressure handle of the fire extinguisher, and the connecting rod penetrates through the pressure handle of the fire extinguisher and is welded with a thumb pressure block; the thumb pressure The block is provided with a groove fitting with the thumb of the human body. The spray pipe of the present invention is fixedly wrapped with a sponge cladding, and the wrapped position of the sponge cladding is located at the joint between the spray pipe and the nozzle. Through the setting of the sponge cladding, the user does not need to grasp the nozzle when using the fire extinguisher of the present invention , you can directly grasp the sponge covering, and place it to prevent the phenomenon that the palm of the hand sticks to the outer wall of the nozzle end due to the low temperature of the nozzle end when some types of fire extinguishers are in use.

The invention discloses an insulating fire-resistant cable trough box, and relates to the field of cable trough boxes. The insulating fire-resistant cable trough box comprises a bottom box and an upper box cover, the bottom box is located below the upper box cover, and a fixing mechanism is arranged on the outer surface of the lower end of the bottom box. According to the insulating fire-resistant cable trough box, through arrangement of a protection mechanism, when the insulating fire-resistant cable trough box is used, the use safety of cables can be improved, the cables can be prevented from being wound, different types of cables can be distinguished, the insulating fire-resistant effect can be achieved; and through arrangement of the fixing mechanism, the mounting efficiency of the cable trough box can be improved when the insulating fire-resistant cable trough box is used;, different installation modes are convenient to carry out, the box is stable during use; the upper box cover and the bottom box are convenient to disassemble and assemble through concave magnetic strips and convex iron strips, and the box is convenient and fast to use; a certain fire extinguishing effect can be achieved through carbon dioxide in the fireproof air bag when the fireproof air bag is used, and the safety is high during use; and the use effect is better than that of a traditional mode.