45results about How to "To achieve the purpose of fire extinguishing" patented technology

The invention discloses an automatic fire-extinguishing device, which can automatically detect surrounding environment parameters, can give early warning in advance to remind a user of confirming while a fire behavior possibly appears, and can timely spray a fire extinguishing agent and alarm again automatically when the fire behavior happens and environment parameters reach set values. The automatic fire-extinguishing device comprises a shell with a spraying port, wherein the fire extinguishing agent is placed in the shell; a film with pressure resistance satisfying set requirements is sealed and covered on the spraying port; an exploder is further fixedly arranged in the shell; the exploder mainly consists of the film satisfying the set requirements, a gas generating agent covered in the film and an igniter, and further comprises an alarm, wherein two sensing controllers which are connected with a power supply and have different set values are arranged outside the shell; one sensing controller with a greater set value is connected with the igniter by a cable; the igniter is connected with the alarm by a remote cable; the other sensing controller with a smaller set value is directly connected with the alarm by the remote cable.

The invention provides a fiber material fire blanket, wherein the air can be better obstructed by adopting the fire blanket to achieve the aim of putting out a fire. The fiber material fire blanket is characterized by comprising a fireproof flame-retardant fabric layer and a metal foil layer, wherein the metal foil layer and the fireproof flame-retardant fabric layer are compounded into a laminated structure.

The invention relates to a throwing type carbon dioxide and dry powder bursting eruption fire extinguisher. The fire extinguisher comprises a dry powder extinguishing agent container and a sealing member of a blast hole (13), wherein the dry powder extinguishing agent container is used for containing a dry powder extinguishing agent; the blast hole (13) is formed in the wall of the container; the dry powder extinguishing agent container is connected with a carbon dioxide container for containing liquid carbon dioxide through a pressure-limiting valve; the pressure-limiting valve is ejected by carbon dioxide after the liquid carbon dioxide is evaporated due to heating and a pressure in the carbon dioxide container reaches a pressure-limiting valve opening value, so that carbon dioxide enters the dry powder extinguishing agent container; the sealing member is ejected by a mixture of carbon dioxide and dry powder extinguishing agent after carbon dioxide enters the dry powder extinguishing agent container and the pressure in the dry powder extinguishing agent container reaches a bursting eruption value, so that the mixture is erupted from the blast hole (13). Fire is extinguished by bursting eruption of the mixture of carbon dioxide and dry powder extinguishing agent in a throwing manner, and the fire extinguisher can be repeatedly used without causing a secondary disaster.

A sandblast fire-extinguishing device comprises a compressed air supply device, a compressed air flow dividing device, a sand storage device and a sandblast device, wherein the compressed air flow dividing device is connected with the sand storage device and the sandblast device; the sand storage device is further connected with the sandblast device; the compressed air flow dividing device is used for dividing compressed air flow provided by the compressed air supply device into first compressed air flow with a first pressure value and second compressed air flow with a second pressure value, conveying the first compressed air flow to the sand storage device and conveying the second compressed air flow to the sandblast device; the sand storage device is used for storing fire-extinguishing sand and conveying the stored fire-extinguishing sand to the sandblast device at a first speed under the action of the first compressed air flow; the sandblast device is used for increasing the speed of the fire-extinguishing sand with the first speed value by using the second compressed air flow so as to enable the fire-extinguishing sand entering the sandblast device to spray out from the sandblast device at a second speed value.

The invention discloses a fireproof intelligent charging device for an electric bicycle lithium battery and a fire extinguishing method. The fireproof intelligent charging device for the electric bicycle lithium battery includes a box, drawers, grid supports, sockets, heat dissipation fans, guide rails, door handles, a fire extinguishing pipeline, a main water intake, solenoid valves, a branch water outtake, an air deflector, a water outlet pipe, a main water outtake, transverse partitions and vertical partitions. The transverse partitions and the vertical partitions are uniformly distributedinside the box, the drawers are installed inside grilles composed of the transverse partitions and the vertical partitions, the front side of the drawers are fixedly provided with the door handles bybolts, the upper ends of the drawers are provided with the grid supports, the rear sides of the drawers are provided with the heat dissipation fans, the side walls of the drawers are provided with thesockets, the two outer walls of the drawers are provided with the guide rails corresponding to each other, and the inner wall of the rear end of the box is provided with the fire extinguishing pipeline. The fire extinguishing method can quickly extinguish the fire of the lithium battery that has an accident, prevent the lithium battery from exploding and causing danger.

The embodiment of the invention provides a fire-fighting rocket projectile and a fire-fighting system. The fire-fighting rocket projectile comprises a bullet, a first projectile body, a second projectile body and a tail spraying assembly; one end of the first projectile body is detachably connected with the bullet, the other end of the first projectile body is detachably connected with one end of the second projectile body, the other end of the second projectile body is detachably connected with the tail spraying assembly, and a rocket engine used for propelling the fire-fighting rocket projectile to fly is arranged in the second projectile body. Fire extinguishing agents are arranged in the first projectile body and the bullet, the fire-fighting rocket projectile is internally provided with an explosive package with the delay exploding function and a control device connected with the explosive package and the rocket engine, and the explosive package is arranged in the fire extinguishing agents. The fire-fighting rocket projectile is launched according to a control instruction sent by an outer terminal, exploding is carried out after the preset delay time so as to carry out extinguishing, remote control fire extinguishing is achieved, the exploding time can be more easily managed and controlled, and the fire extinguishing effect is improved.

The invention relates to a vehicle-mounted battery fireproof heat source management synchronization device and a use method. The device comprises a liquid storage device, a liquid storage device control valve, a fire extinguishing pipeline, a spray head or a spray hole, a fire extinguishing pipeline control valve, an inductive probe, a water inlet connecting pipe and a water outlet connecting pipe, a sealed circulating flow channel is formed among the heat exchange pipeline, the water inlet connecting pipe, a vehicle-mounted battery pack module and the water outlet connecting pipe, fire extinguishing heat exchange liquid is stored in the liquid storage device, and the liquid storage device control valve, the fire extinguishing pipeline control valve and the inductive probe are all connected with a vehicle-mounted computer controlling the heat source management system and the vehicle-mounted battery pack module and are synchronously controlled by the vehicle-mounted computer. The vehicle-mounted battery fireproof heat source management synchronization device is ingeniously combined with an existing vehicle-mounted battery heat management system; under the condition that normal operation of an existing vehicle-mounted battery thermal management system is kept, professional fire extinguishing equipment of a battery module is omitted, the integration degree of resources is improved, the structural layout of the whole vehicle is simplified, the requirement for light weight of the whole vehicle is met, cost is saved, and the working mileage of the whole vehicle is increased.

The invention relates to a power distribution box and especially relates to a power distribution box having an alarm, and is to solve the technical problem of providing a power distribution box having an alarm and capable of eliminating fire hazards and realizing ventilation and heat dissipation. In order to solve the technical problem above, the invention provides the power distribution box having the alarm, wherein the power distribution box comprises a box body, a switch, a smoke sensor, a controller, hinges, a box door and a bolt and the like. The top portion of the box body is provided with a first through hole; the bottom portion of the box body is provided with a second through hole; the left side of the inner bottom portion of the box body is provided with the switch; the right side of the inner bottom portion of the box body is provided with the smoke sensor and the controller; the smoke sensor is arranged at the left side of the controller; the hinges are arranged up and down symmetrically at the left side of the front portion of the box body; and the box door is connected at the left side of the hinges. The power distribution box achieves an effect of being capable of eliminating fire hazards and realizing ventilation and heat dissipation; and when special situation occurs, a knocking head knocks a copper bell to give a clear alarm so as to remind people of the special situation of the box body.

The invention provides an automobile fire extinguishing auxiliary device, and belongs to the technical field of automobile fire extinguishment. The automobile fire extinguishing auxiliary device solves the problems that a hand is easily scalded and the fire extinguishing effect is not ideal when fire on a conventional automobile engine cabin is extinguished. The automobile fire extinguishing auxiliary device is arranged in the automobile engine cabin. The auxiliary device is characterized by comprising a temperature-resistant main pipe with an inlet end and an outlet end, the outlet end of the temperature-resistant main pipe is connected with a plurality of temperature-resistant branch pipes communicated with the main pipe, and the outer ends of the temperature-resistant branch pipes are provided with a spray head respectively; both the temperature-resistant main pipe and the temperature-resistant branch pipes are positioned in the automobile engine cabin; and the inlet end of the temperature-resistant main pipe extends out of an automobile body. During use, the plurality of temperature-resistant branch pipes are arranged at fire-hazardous parts in the engine cabin; and when spontaneous combustion happens in the engine cabin, a nozzle of a fire extinguisher is aligned with the inlet end of the temperature-resistant main pipe so that a fire extinguishing agent can be introduced into the engine cabin without opening an engine cabin cover and the fire extinguishing agent is released into a minimum space so as to play a maximum fire extinguishing role.

The invention discloses a waste treatment device for ecological agriculture and relates to the field of recycling devices. According to the waste treatment device for the ecological agriculture, a fermentation chamber is internally further provided with a crushing mechanism; the crushing mechanism comprises a motor and a first rotary shaft; a sector gear is arranged on an output shaft of the motor; the first rotary shaft is provided with a first rotary gear; the first rotary shaft is provided with a first spring; the first spring is connected with an elastic ball; a corrugated pipe is connected between the fermentation chamber and a combustion chamber; the corrugated pipe is provided with a check valve; the combustion chamber is internally provided with a sliding pipe which is communicatedwith the corrugated pipe; the sliding pipe is internally connected with a sliding rod in a sliding manner; a second spring is connected between the sliding rod and a rack; an ash through hole is formed in the bottom of the combustion chamber; the bottom of the combustion chamber is further connected with a baffle plate in the sliding manner; a reciprocating mechanism is connected between one end,penetrating through the combustion chamber, of the baffle plate and one end, penetrating through the combustion chamber, of the sliding rod. By adopting the technical scheme disclosed by the invention, the problem that existing straws and excrement cannot be rapidly treated is overcome; the waste treatment device can be used for rapidly treating and producing the straws and the excrement into fertilizer for crops.

The embodiment of the invention provides a fire fighting rocket projectile and a fire fighting system. The fire fighting rocket projectile comprises a projectile head, a first projectile body, a second projectile body and a tail jetting assembly, wherein one end of the first projectile body is detachably connected with the projectile head, the other end of the first projectile body is detachably connected with one end of the second projectile body, and the other end of the second projectile body is detachably connected with the tail jetting assembly. A rocket engine for propelling the fire fighting rocket projectile to fly is arranged inside the second projectile body. The rocket engine is connected with a control wire used for controlling the rocket engine to be started. The control wire extends out of the tail jetting assembly. The first projectile body and the projectile head are filled with a fire fighting agent, an explosive package with a delayed explosion function and an explosion starting lead connected with the explosive package are arranged in the fire fighting rocket projectile, the explosive package is arranged in the fire fighting agent, and the explosion starting lead extends out of the top of the projectile head. The fire fighting rocket projectile can effectively improve the fire fighting effect and ensure the life safety of firefighters.

The invention discloses an incombustible oil depot under bombing of an enemy plane. The incombustible oil depot consists of at least two thin-shell hollow steel balls 1 of different sizes, fuel oil 2, an oil tank 3, an oil tank cushion block 4 and an oil tank seat 5, and is characterized in that the oil tank 3 is arranged in the oil tank seat 5; the oil tank cushion block 4 is arranged below the lower bottom of the oil tank 3; the fuel oil 2 is arranged in the oil tank 3; the thin-shell hollow steel balls 1 are stacked on the fuel oil 2, the oil tank 3 and the oil tank seat 5; and an upper opening of the oil tank seat 5 is a slope with the gradient of more than 20 degrees. The incombustible oil depot has the beneficial effects that when the oil depot is generally bombed by the enemy plane, the bombed steel balls are bombed away or deposited, the non-destroyed thin-shell hollow steel balls 1 gradually roll down from the slope of the upper opening and are stacked on the fuel oil 2, the oil tank 3 and the oil tank seat 5, and combusted CO2 are covered, so that the aim of extinguishment is fulfilled.

The invention discloses a downhole fire extinguishing nipple for air drilling. The downhole fire extinguishing nipple comprises a tube body, a lower connector fixedly connected to the lower end of thetube body, and a valve element assembly supported in an inner cavity of the tube body through a supporting structure; a lower connector inner conical surface is arranged at the upper end of an innercavity of the lower connector; the valve element assembly comprises a pressure cylinder, a valve head and a spring; the pressure cylinder comprises a cylinder body, a cylinder cover, a piston and a valve rod penetrating through the cylinder cover and fixedly connected with the piston; a rodless cavity of the pressure cylinder is filled with liquid mercury; the valve head is fixed to the lower endof the valve rod; a valve head outer conical surface matched with the lower connector inner conical surface is arranged on the upper section of the valve head, and a flow passing groove extending in the axial direction is formed in the peripheral surface of the lower section of the valve head; and one end of the spring is connected with the cylinder cover, and the other end of the spring is connected with the valve head. The downhole fire extinguishing nipple for air drilling has the capability of being opened and closed repeatedly, drilling can continue to be conducted after fire extinguishing, lifting of a drill for replacement is not needed, the time cost and the labor cost in the treatment process of a downhole burning explosion accident are reduced, the drilling efficiency is improved, and the drilling cost is reduced.

The invention belongs to the field of household fire fighting, and relates to a household mixed foam type fire fighting sprayer. The household mixed foam type fire fighting sprayer comprises a shell, an air exhaust cavity is formed in the shell, an air exhaust device is arranged in the air exhaust cavity, and the air exhaust device is used for rapidly exhausting hot air from bottom to top so as to drive the device to operate; and a meshing transmission cavity is formed in the shell, and a meshing transmission device is arranged in the meshing transmission cavity. According to the household mixed foam type fire fighting sprayer, when a fire occurs in environments such as a home, the spraying force can be adjusted according to the size of the fire behavior, the device can spray water for fire fighting and extinguishment, the use of a mixed foam extinguishing agent can be judged according to the fire behavior, and the foaming agent is stirred and extruded out from the device when the fire behavior is large and is mixed with internal spraying water pressure to generate a large amount of foam, so that the household mixed foam type fire fighting sprayer is suitable for various fire behaviors such as oil, electricity and inflammables; and under the conditions, the household mixed foam type fire fighting sprayer can also expand a spraying part to enlarge a spraying area, the spraying range is widened, the spraying amount is increased, and fire extinguishing is accelerated.

The invention discloses a high-pressure dried carbon dioxide powder fire extinguisher. A dried powder self-sucking mechanism comprises a mixing pipe, wherein a dried powder suction pipe is connected to a pipe wall of the mixing pipe; a carbon dioxide injection pipe is arranged inside the mixing pipe; the front end of the mixing pipe is connected with a mixing injection pipe; the rear end of the carbon dioxide injection pipe extends out of the rear end of the mixing pipe and is connected with a carbon dioxide bottle by virtue of a high-pressure delivery pipe; and the outer end of the dried powder suction pipe is connected with a dried powder fire extinguishing agent tank by virtue of a connecting pipe. The pressure in the carbon dioxide bottle is 6-7MPa or below, and the injection distance of the fire extinguisher disclosed by the invention is about 20meters. The injection time can be regulated according to the loading capacity of the dried powder fire extinguishing agent tank and the carbon dioxide bottle and can be more than ten minutes and tens of minutes.

The invention discloses a semitrailer compartment with a fire extinguishing device, which comprises a compartment body, wherein a detection device and the fire extinguishing device are arranged in thecompartment body; the detection device is used for detecting fire in the compartment body; the fire extinguishing device comprises an isolation assembly, an exhaust assembly and a fire extinguishingassembly; when the detection device detects a fire condition, the isolation assembly is used for isolating external air from entering the compartment body; the exhaust assembly is used for exhaustingthe air in the compartment body; the fire extinguishing assembly is used for extinguishing the compartment body. According to the semitrailer compartment with the fire extinguishing device, the compartment body forms a relatively sealed environment through the matching of the isolation assembly and the compartment body, the contact between combustion objects and air is reduced, thereby achieving the purpose of fire extinguishing; according to arrangement of the exhaust assembly and the fire extinguishing assembly, the air in the compartment body is discharged, fire extinguishing gas or fire extinguishing mixture can be released, so that the oxygen content in the compartment body is reduced, and the fire extinguishing effect is further improved.

The invention relates to a fire-extinguishing composition containing transition metal compound. The fire-extinguishing composition comprises organic acid salts of elements in the first cycles in the subgroup and the eighth group; and in the fire-extinguishing composition, fireworks drug is used as heat source and power source, and the fireworks drug is driven to react and generate fire-extinguishing substances by setting fire to the fireworks drug. In the composition, the transition metal compound is used as the main component and amine and / or organic amine salt is added to assist to extinguish fire; by using the aerosol which can extinguish fire and is formed by fire-extinguishing substances generated by the decomposing of the tradition metal compound in heating, and a large amount of gas generated by the decomposing of amine and / or organic amine salt in heating, the concentration of the aerosol which can extinguish fire and the air pressure are increased and the spraying strength of the fire-extinguishing substances is improved, and thus the fire-extinguishing efficiency of the fire-extinguishing composition is greatly improved.

The invention relates to the field of fire fighting, in particular to a mobile fire extinguishing system using liquid nitrogen as a fire extinguishing agent and a using method of the mobile fire extinguishing system. The mobile liquid nitrogen fire extinguishing system mainly comprises a movable liquid nitrogen fire extinguishing platform, and the movable liquid nitrogen fire extinguishing platform is communicated with a liquid nitrogen tank car through a conveying hose; the movable liquid nitrogen fire extinguishing platform comprises a moving device, a fire monitor carriage, a liquid nitrogen injection monitor, a low-temperature booster pump and the conveying hose, one end of the conveying hose is connected with the liquid nitrogen tank car, the other end of the conveying hose is connected with the liquid nitrogen injection monitor, the fire monitor carriage is arranged on the moving device, and the conveying hose is attached to the fire monitor carriage; and the moving device is further provided with the low-temperature booster pump for pressurizing the liquid nitrogen in the conveying hose. According to the mobile fire extinguishing system, the liquid nitrogen can be used as the low-temperature inert fire extinguishing agent, large fire disasters can be quickly extinguished, meanwhile, the system can be connected with the non-fire-fighting special liquid nitrogen transportation tank car through a universal standard quick connector, and the fire-fighting liquid nitrogen is provided uninterruptedly.

The invention discloses a double-boot fire extinguisher spray nozzle which comprises a high temperature-resisting cylinder body, wherein a fire extinguisher connector is connected to the lower part of the high temperature-resisting cylinder body, the fire extinguisher connector is hermetically mounted on a powder fire extinguisher, a through hole is formed in the top of the high temperature-resisting cylinder body, a tapered glass body is arranged inside the high temperature-resisting cylinder body, the upper part of the glass body passes through the through hole, a sealing gland is arranged at the lower part of the glass body, the bottom of the glass body tightly props against the sealing gland so as to enable the sealing gland to seal the fire extinguisher, and a plurality of directional openings are formed in the side wall of the high temperature-resisting cylinder body. The double-boot fire extinguisher spray nozzle provided by the invention has the benefits as follows: the structure is simple, the design is scientific and reasonable, the mounting is convenient, the safety is high, after removing a protecting cover, by throwing the fire extinguisher to crush the raised glass body in the through hole of the high temperature-resisting cylinder body, or using high temperature to enable acetic ether to expand to crack the glass body, the sealing gland is flicked through internal pressure of the fire extinguisher, and dry powder inside the fire extinguisher is sprayed out at a high speed from the directional openings in the high temperature-resisting cylinder body to achieve the purpose of fire extinction.

The invention discloses a two-in-one fire-fighting lance. The two-in-one fire-fighting lance comprises a lance body, an adjusting outer sleeve and a sector water wall flow limiting nut, wherein a water flow main channel is formed in the lower portion of the inner side of the lance body. The two-in-one fire-fighting lance is provided with the adjusting outer sleeve, the adjusting outer sleeve is movably connected with the lance body, and when water flow is adjusted to be linearly sprayed through the adjusting outer sleeve, the water flow and a center straight through hole can form thick and strong water flow, and the landing area is large, so that the fire extinguishing speed is effectively improved; and when a large height difference exists between a pump and a fire extinguishing point, the pressure of water near the lance is obviously reduced and when the range is severely shortened, the outer sleeve can be adjusted to close a sector water wall spraying channel, and only the central straight through hole with the small central section is reserved for concentrated pressure to achieve long-distance spraying, so that the maximum range can be effectively increased when the bottom water pressure is increased; and an anti-falling protection ring is arranged at the outer side of the adjusting outer sleeve in a matched manner, so that a good protection effect can be achieved, and theactual service life of the fire-fighting lance is prolonged.

The invention relates to a ship kitchen exhaust device, and is mainly used for kitchen stove smoke exhaust and rice steaming box smoke exhaust. The ship kitchen exhaust device comprises a body and a spark arrester, wherein an oil gas inlet end and an oil gas outlet end are arranged on the body, the spark arrester is arranged at the oil gas inlet end, and the oil gas outlet end is connected with anexhaust pipeline. Compared with a traditional ship kitchen smoke exhaust system, the novel ship kitchen smoke exhaust system has the characteristics that the exhaust efficiency is high, the working capacity is strong, the redundancy of protective measures is high, the probability of fire hazards in a ship kitchen is greatly reduced, and the maintenance cost and the maintenance difficulty are low;and the problems that in the prior art, a ship kitchen smoke exhaust system has certain potential safety hazards and is poor in maintainability can be solved.

The invention discloses an automatic fire extinguishing apparatus which comprises at least two fire extinguisher sets, a plurality of inductive probes and a controller. Each fire extinguisher set comprises two fire extinguishers oppositely and fixedly connected to be used for containing and bearing fire extinguishing agents; each fire extinguisher is provided with an outlet, and two outlets of the same fire extinguisher set are oppositely arranged; the outlets of the same fire extinguisher set can be merged into one outlet or separated into two outputs; each outlet is connected with fire extinguishing equipment via a valve; the controller is connected with the inductive probes and the valves respectively. By the arrangement that the two fire extinguishers are fixedly connected to be one fire extinguisher set, so that each fire extinguisher can be effectively utilized, fire extinguishing efficiency can be effectively improved, and waste of fire extinguishing agent resources is avoided; the two outputs of the same fire extinguisher set can be selectively merged into one output to correspond doubled fire extinguishing agent doses infused in equipment which might be susceptible to fire or generate large fire hazard, the fire extinguishing purpose is achieved rapidly and effectively, and loss is minimized.

The invention discloses a seawater fire extinguishing agent and application thereof. The seawater fire extinguishing agent is prepared from the following components in percentage by weight: 2%-5% of hybridized fluorocarbon betaine, 2%-5% of fluorinated alkyl betaine, 5%-15% of n-octyl alcohol ether sulfonate, 0.2%-0.5% of sodium carboxymethylcellulose, 5%-15% of dodecyl dimethyl betaine, 5%-15% of cocamidopropyl betaine and the balance being water. The seawater fire extinguishing agent can take seawater as a diluting agent and has a relatively good fire extinguishing effect.

The invention provides a B-type air foam high-jet fire extinguishing device. The B-type air foam high-jet fire extinguishing device comprises carrier equipment, and a rotary table, a water system, a foam system, a screw type compressed air system, a lifting system and a fire monitor which are arranged on the carrier equipment, the water system, the foam system and the screw type compressed air system are respectively arranged on a carrier equipment chassis, the rotary table is arranged at the upper part of the carrier equipment, meanwhile, a lifting system is arranged on the rotary table, and a fire monitor is arranged at the tail end of the lifting system; wherein water in the water system and foam in the foam system are mixed at the position, conveyed to the lower portion of the rotary table, of a pipeline, and water-foam mixed liquid is formed; compressed air of the screw type compressed air system and water-foam mixed liquid are mixed at the position of a phase pipeline which is conveyed to the upper portion of the rotary table, and are sprayed out through the lifting system and the fire monitor. The invention has the advantages of large flow, long range and high fire extinguishing efficiency, can cover and extinguish fire from top to bottom, and meets the fire extinguishing requirements of large-scale petrochemical fires.

The invention discloses a perfluorohexanone rapid fire extinguishing device, which comprises a perfluorohexanone injection assembly, a CO 2 Generating device, water mist generating device, mixing chamber and nozzle, the perfluorohexanone injection assembly is connected to the nozzle through pipelines, CO 2 Both the generating device and the water mist generating device are connected to the mixing chamber, and after being connected to the mixing chamber, they are connected to the nozzle through a pipeline. A mixed flow channel is formed, and a number of water mist nozzles are arranged on the outer casing; when the present invention is used, it is not necessary to store high-pressure gas sources in advance, and the internal pipes and valve connections of the fire extinguishing device will not be subjected to high pressure at ordinary times, which can effectively avoid leakage. , has the advantage of good fire extinguishing effect. In addition, the invention also discloses a fire extinguishing system.

The invention relates to the field of fire safety equipment, and in particular relates to a dry powder extinguisher. The dry powder extinguisher comprises a tank body and a fixed seat which is connected with the tank body in a sealing manner, wherein a combustion chamber which is communicated with the inner part of the tank body is further arranged on the fixed base; an ignition device is further connected with the combustion chamber; and a combustion powder column is arranged in the combustion chamber. The combustion chamber which is communicated with the inner part of the tank body is arranged on the fixed base, so the combustion powder column in the combustion chamber is ignited by the ignition device, and a lot of gasses are quickly generated through the combustion of the combustion powder column; the communication chamber is communicated with the inner part of the tank body, so the generated gases enter the inner part of the tank body from the combustion chamber. The size of the inside of the tank body is limited, so when the gas pressure in the tank body is higher than the atmospheric pressure, the dry powder stored in the tank body is pressed out from the tank body to reach the fire breakout position, thereby achieving the purpose of extinguishing. Thus, the dry powder extinguisher provided by the invention does not need to be stored under high pressure as the dry powder extinguisher in the prior art.

The invention discloses barbecue equipment capable of controlling a flame direction and conducting local heating, and relates to the technical field of food processing. The barbecue equipment comprises a barbecue frame, a barbecue opening is formed in the middle of the top of the barbecue frame, a charcoal fire box is fixedly welded to the middle of the bottom of the barbecue frame, and a direction plate is arranged in an inner cavity of the barbecue opening. According to the barbecue equipment capable of controlling flame direction and conducting local heating, the design that the baking direction of charcoal fire can be changed is adopted, during barbecue firing, the transfer direction of charcoal fire heat can be changed and controlled, accordingly, the aim of reasonably dispatching charcoal fire heat is realized, meanwhile, the utilization rate of the charcoal fire heat can be increased, and the aim of protecting the environment is realized while resource waste is avoided. By the adoption of a louvered design, the direction of charcoal fire can be changed and controlled through control over the direction of blades, meanwhile, the interior of the barbecue box can be sealed and isolated from air when operation is stopped or the barbecue equipment is not used, and the aim of safely extinguishing the fire is realized.

This application relates to a cable trench fireproof sealing system, including: a plurality of support parts arranged at intervals along the extending direction of the cable trench, the support parts are used to support cables, the support parts are arranged at intervals from the bottom of the cable trench, The sensitive material is fixed on the side wall of the cable trench, and a heater is installed inside the heat-sensitive material; the fire extinguishing agent nozzle is set on the top of the cable trench, and the orthographic projection of the fire extinguishing agent nozzle on the bottom of the cable trench and the supporting part are at the bottom of the cable trench The projection coincides; the smoke sensor is set between two adjacent support parts and is located on the top of the cable trench, the smoke sensor is electrically connected to the heater, and the smoke sensor is also connected to the main power supply; the fire resistance wall is set on Between the support part and the fire extinguishing agent nozzle, and block the fire extinguishing agent nozzle. When the smoke sensor reaches the alarm state, control the heater to heat at the same time, and control the main power to be turned off. After the fire extinguishing agent nozzle loses its resistance, it starts to spray fire to the cable trench agent.