12results about How to "Fire suppression" patented technology

The utility model discloses an anti-slag-penetration slag cooler, relates to the field of slag coolers, and mainly aims to solve the problem that high-temperature slag and fire can penetrate out of a channel in the middle of a spiral slag guide sheet of the slag cooler to damage slag conveying equipment at present. The device comprises a base, a rail of a barrel is arranged on a riding wheel of the base, a large chain wheel of the barrel is connected with a chain wheel of a motor through a chain, a slag discharge pipe extends into a slag inlet, and the other ends of a water inlet pipe and a water return pipe which are communicated with a water jacket of the barrel are connected with a rotary joint; a slag outlet is formed in the rear end of the barrel, a spiral slag guide sheet A is arranged on the inner wall of the barrel between the slag inlet and the slag outlet, and a stop block is arranged in a channel in the middle of the spiral slag guide sheet A. A water inlet and a water outlet are formed in the surface, in contact with the inner wall of the barrel body, of the spiral slag guide sheet A; a high-temperature slag penetration prevention section is arranged in the cylinder body in front of the spiral slag guide sheet A, and a low-temperature slag penetration prevention section is arranged in the cylinder body behind the spiral slag guide sheet A. The device has the advantage that fire disasters caused by slag penetration of the slag cooler are inhibited.

This invention discloses a protective prefabricated substation, belonging to the technical field of substation equipment. It includes a prefabricated enclosure composed of a base, four columns, a truss, and multiple baffles. A capping mechanism is installed on the upper side of the truss. The capping mechanism includes a capping plate, two top plates, multiple hinges, two sets of sliding components, four sets of support components, a pressure chamber, and multiple first pressure valves. The bottom sides of the two top plates, which are far apart from each other, are respectively connected to the two sets of sliding components. The pressure chamber is horizontally positioned on the bottom sides of the two top plates, and its bottom end is fixedly sealed to the outside of the capping plate. The multiple first pressure valves are vertically fixedly fitted inside the capping plate. The two top plates and the capping plate are connected by four sets of support components. The space between the pressure chamber and the capping plate is filled with fire extinguishing gas. A ventilation mechanism is installed on the rear baffle. This invention effectively solves the defects of insufficient fire resistance and lack of automatic fire extinguishing function, making it difficult to effectively prevent the spread of fire after it starts inside the prefabricated substation.

The invention provides a clothes dryer which can restrain ignition even under the condition that flammable refrigerant leaks out and is high in safety. A drying chamber (2), a circulating air path (20), a circulating air blower (27) and a heat pump (35) are accommodated in a shell (1), and the circulating air path (20) is provided with a lower circulating air path (30), an air vent (40) and an opening and closing stopper (41), wherein the lower circulating air path (30) is arranged along the bottom (1b) of the shell (1) and is closer to the lower part than the drying chamber (2); the air vent (40) is arranged in the lower circulating air path (30); and the opening and closing stopper (41) is used for opening and closing the air vent (40).

The invention discloses a safety watertight chamber door for a fire extinguishing type cabin, and belongs to the field of cabin watertight doors, the safety watertight chamber door for the fire extinguishing type cabin comprises a frame welded with the cabin in a sealing manner, one side of the frame is connected with a watertight door body through a hinge, and the watertight door body is sequentially provided with a heat insulation heat exchange body, a watertight internal pressure body and a safety lock control body from outside to inside; the heat insulation and heat exchange body comprises a heat insulation plate and a heat exchange base plate installed on the heat insulation plate in a press fit mode. The internal pressure trigger type fire extinguishing sprayer in the lock column is automatically opened through high-pressure water supply, flame near the door body can be effectively restrained through spraying, meanwhile, the temperature of the door body and the temperature of surrounding air are greatly reduced through evaporation heat absorption, an evacuation channel is protected, and the heat exchange pipeline arranged in the heat insulation heat exchange body is used for heat exchange. Circulating cooling water is used for continuously taking away heat transmitted from the fire scene side, so that the temperature of the outer surface of the watertight door is remarkably reduced, high-pressure water is injected into the water pressure abutting pipe to expand the water pressure abutting pipe, continuous pressure is applied to the rubber sealing gasket, the rubber sealing gasket is tightly attached to the frame sealing outer groove, and oxygen is effectively prevented from entering the fire scene side.

The present application relates to the technical field of energy storage battery, in particular to an energy storage battery and a module heat insulation drainage plate and a temperature and pressure collecting line heat insulation structure, the energy storage battery comprises a battery module, the top of the battery module is provided with a module end plate, the module end plate is provided with an electric core explosion-proof valve, further comprising a heat insulation drainage plate, the heat insulation drainage plate covers above the module end plate, the heat insulation drainage plate is provided with a plurality of through holes and the upper surface is covered with a heat insulation sheet, the heat insulation sheet can withstand high temperature above 600 DEG C, further comprising a temperature and pressure collecting line heat insulation structure, the temperature and pressure collecting line is located in the inside of the battery module, the temperature and pressure collecting line heat insulation structure comprises a temperature and pressure collecting line and a heat insulation pipe wrapped outside, the heat insulation pipe can withstand high temperature above 600 DEG C.The present application can isolate the high temperature and high pressure mixed combustible gas liquid outside the module, prevent the high temperature and high pressure mixed combustible gas liquid from falling to the top of the electric core, prevent the secondary heating of the electric core; it can ensure that each conductive wire harness is separated from each other, completely isolate the situation of mutual lap and internal short circuit.

The utility model discloses an evaporation and condensation heat dissipation system based on a liquid medium. The condensing plate and the low-boiling-point flame-retardant liquid medicine are arranged in the closed shell; the plurality of battery cell modules are uniformly distributed at the inner bottom of the closed shell, and gaps are formed among the plurality of battery cell modules; the condensation plate is fixed at the inner top of the closed shell and covers the positions of the plurality of battery cell modules; the inner bottom of the closed shell is filled with the low-boiling-point flame-retardant liquid medicine, and the low-boiling-point flame-retardant liquid medicine intrudes into gaps among the battery cell modules; the low-boiling-point flame-retardant liquid medicine is vaporized and ascends when the battery cell modules are heated, and is evaporated and condensed to the lower surface of the condensing plate to form a plurality of naturally falling condensed water drops to dissipate heat of the battery cell modules; the thermal management system of the power battery is improved, the process requirements of the system are reduced, and the cost is reduced; based on the characteristics of the low-boiling-point flame-retardant liquid medicine, accurate and uniform control of the battery temperature is realized, and generation of open fire can be inhibited while the heat conduction efficiency is improved.

The invention relates to the technical field of high-low voltage power distribution cabinets, in particular to a high-low voltage power distribution cabinet with a protection structure, which comprises a cabinet body, a cabinet door is rotatably mounted on the front side surface of the cabinet body, an inner frame is fixedly connected to the front inner wall of the inner cavity of the cabinet body, the side surface of the cabinet door is in contact with the side surface of the inner frame, and a closed groove is formed in the side surface of the cabinet body. A closed groove is formed in the top of the cabinet body, the closed groove penetrates through heat dissipation holes in the side face of the cabinet body, a nitrogen discharging mechanism is installed at the top of the cabinet body, and a sealing mechanism used for sealing the heat dissipation holes is installed at the top of the cabinet body. Therefore, the air in the dead angle area in the cabinet body is stirred, the air enters the flowing air flow to be pumped away, the more uniform air pumping effect is achieved, the effect of reducing the oxygen content in the cabinet body is achieved, the fire behavior in the cabinet is inhibited or extinguished in time, and fire expansion is avoided.

The utility model discloses a kind of automatic isolation fireproof doors of coal mine well and alley, it includes two parallelly arranged isolation door frames, the middle part of isolation door frame is uniformly fixed with vertical plate, one side of vertical plate is rotatably connected with pedestrian transport isolation door, the side of vertical plate, away from pedestrian transport isolation door, is fixedly connected with horizontal plate, horizontal plate is rotatably connected with the isolation door above floating groove;Vertical plate is rotatably connected with the isolation door on the upper portion of belt conveyor;Isolation door frame bottom is fixed with door sill, door sill is rotatably connected with bottom isolation door;Rotatably connected with middle isolation door between vertical plate and isolation door frame.When fire occurs, through first pneumatic jack and second pneumatic jack, the closing action of pedestrian transport isolation door, the isolation door on the upper portion of belt conveyor, the isolation door above floating groove, middle isolation door and bottom isolation door is completed, completely plugging is realized at the connecting section of belt conveyor through fire door, the sealing between fire door and belt conveyor is improved, the risk of flame and toxic gas leakage spread is reduced, which is beneficial to the personal safety and coal mine safety of underground operating personnel.

This utility model discloses a multifunctional electromagnetic shielding room, relating to the technical field of electromagnetic shielding rooms. It includes an outer frame with multiple layers of outer shell panels fixedly connected to its outer surface. An entrance door is located on the front outer shell panel of the outer frame. A delivery pipe is mounted on the top of the outer frame, and a gas extinguishing system control box is connected to the end of the delivery pipe. Multiple vertical pipes penetrate the bottom of the delivery pipe, and sprinkler nozzles are installed at the bottom ends of the vertical pipes. A cavity is formed inside the outer frame, and multiple heat-sensing fire detectors are installed on the top of the inner side of the cavity. Multiple first partitions are provided on one side of the inner wall of the cavity. This utility model, through its series of structural features, can effectively suppress initial fires, reduce the probability of equipment damage and experimental data loss within the shielding room, and remove the restriction on independent experiments of electromagnetic equipment within the shielding room, thereby enhancing the application value of the electromagnetic shielding room.

The application discloses a kind of multistage active and passive protection battery module of lithium ion battery, including lithium ion battery body and metal shell, the inside of the metal shell is equipped with heat control mechanism, the lithium ion battery body is equipped in heat control mechanism inside, the upper end of the lithium ion battery body is equipped with tab, pressure relief valve and fire-retardant agent respectively, the inside bottom of the metal shell is equipped with liquid cooling plate, the lithium ion battery body is equipped in the upper end of liquid cooling plate, the inside upper end of the metal shell is fixedly installed with energy directional pipe, the inside of the energy directional pipe is equipped with fire-resistant pressure-resistant cover plate, the upper end of the fire-resistant pressure-resistant cover plate is equipped with one-way spray valve, the left and right sides of the metal shell are symmetrically equipped with vent opening.This scheme is through fire-retardant agent on the lithium ion battery body and the buffer zone above cooperation, when lithium ion battery body occurs thermal runaway, temperature rises, reaches the melting point of wrapping material, fire-retardant agent is released into buffer space, can effectively inhibit fire.

This application relates to an energy storage container and an energy storage system. The energy storage container includes: a container body with an opening on one side; a door panel rotatably connected to the container body, used to open or close the opening, forming a gap space between the door panel and the container body; and a sealing assembly including an inner sealing strip and an outer sealing strip, the inner sealing strip being connected to the container body and surrounding the opening, and the outer sealing strip being connected to the door panel; the door panel forms an interference fit with the inner sealing strip when the opening is closed, and the outer sealing strip forms an interference fit with the container body when the door panel is closed, thereby sealing the gap space. In this energy storage container, the inner and outer sealing strips respectively seal the inner and outer sides of the door panel when the opening is closed, effectively improving the sealing performance between the door panel and the container body, reducing the probability of ambient moisture and air entering the container body, improving the overall water tightness and air tightness of the energy storage container, and thus improving the operational reliability and stability of the energy storage container and the corresponding energy storage system.

The application provides a fire extinguishing method and system for a coal conveying trestle, and the method comprises the following steps: obtaining the length and width of the coal conveying trestle; obtaining the fire-fighting water volume of a single set of fire separation water curtain system and the first protectable trestle length; obtaining the second protectable trestle length of a single set of water spray system; dividing the coal conveying trestle according to the length of the coal conveying trestle, the first protectable trestle length and the second protectable trestle length to obtain a plurality of fire compartments; when a fire is detected in the coal conveying trestle, determining the first fire compartment where the fire is located, and controlling the water spray system in the first fire compartment and the fire separation water curtain system at both ends of the first fire compartment to start; determining the second fire compartment and controlling the water spray system in the second fire compartment and the fire separation water curtain system at both ends of the second fire compartment to start; the reliability of initial fire extinguishing and the accuracy of fire prevention and control are improved, and the economic cost of the fire prevention system of the coal conveying trestle is reduced.