37results about How to "Take full advantage of high temperature resistance" patented technology

The invention pertains to the field of inorganic magnetic nano composite materials. A method for preparing magnetic nano composite particles of FeCr alloy dispersed in a ceramic crystal grain is characterized by comprising the following steps of: (1) raw material selection: the dosage of Al in an aluminum salt, Si in a silicon source, Fe in a ferric salt and Cr in a chromic salt meets the chemical formula of (Al6-x-yFex Cry) Si2O13 (wherein, x plus y is larger than 0 and less than or equal to 1, and x is larger than or equal to y and y is larger than 0); the aluminum salt, the silicon source, the ferric salt and the chromic salt are taken as raw materials for later use; (2) selecting one of the following two methods: (a) a sol-gel method for realizing gelatinization; (b) a coprecipitation method for realizing gelatinization; (3) preliminary roasting: xerogel is roasted for 1 to 5h in flowing air at the temperature of 400 to 600 DEG C, thus obtaining amorphous oxide powder; (4) roasting: the amorphous oxide powder is roasted for 1 to 5h in air at the temperature of 1000 to 1500 DEG C; (5) high temperature reduction: a reduction gas is used for conducting reduction for 1 to 10h at the temperature of 1200 to 1400 DEG C, thus obtaining the magnetic nano composite particles. The magnetic nano composite particles are characterized by superparamagnetic physical feature and high stability.

The invention relates to a high-temperature-resistant and heat-conductive nylon composite material and a preparation method thereof. The high-temperature-resistant and heat-conductive nylon composite comprises the following components in parts by weight: 100 parts of PA66, 40-80 parts of high temperature-resistant nylon, 10-50 parts of a nylon elastomer, 10-30 parts of carbon fibers, 20-50 parts of a heat-conductive filler, 0.2-1.5 parts of a reactive flow modifier, 0.3-1.2 parts of an antioxidant and 0.3-2 parts of a lubricating agent. The preparation method comprises the following steps: uniformly pre-mixing the PA66, the high-temperature-resistant nylon, the nylon elastomer, the heat-conductive filler, the reactive flow modifier, the antioxidant and the lubricating agent, adding from a main feeding port of a double-screw extruder, adding the carbon fibers from a glass fiber mouth, controlling the rotating speed to be 800-1200 revolutions / min and the temperature to be 250-285 DEG C and performing extrusion granulation to obtain the high-temperature-resistant and heat-conductive nylon composite material. The material has excellent high temperature resistance and heat conduction and simultaneously has the characteristics of being good in mechanical property and easy to process.

The invention relates to a fire-extinguishing rescue method of building. The method comprises that: 1, fine water mist fire-extinguishing equipment is arranged above the building, is connected with a water supply pipe, and is connected with one or a plurality of pipe winding devices or electric pipe winding devices through a glue pipe, the pipe winding devices or electric pipe winding devices are connected and wound with the glue pipe, and the glue pipe extends out from the pipe winding devices or electric pipe winding devices and is directly connected with a fire-extinguishing spray gun or nozzle or is connected with the fire-extinguishing spray gun or nozzle through a connection part; 2, rescue workers are at the lower floor of the building or the external portion of the building, press the controller or pull the control rope so as to control the fire-extinguishing spray gun or nozzle arranged on the roofing to descend onto the target position along the external wall of the building; and 3, the personnel at the firing floors the descending fire-extinguishing spray gun or nozzle to perform fire extinguishing or ventilation through the external opening of the external wall of the building.

The invention relates to a building, an electric rope winder is arranged over the building, the electric rope winder comprises a motor and a reel, the motor can drive the reel to rotate, a stay rope is connected to the reel, the stay rope extends from the reel for coiling to form a coil of stay rope, the coil of stay rope is arranged at a setting position, the motor is connected to a control cable, so that the cable is controlled for downwardly extending to the lower part or external part of the building for connecting with a controller. The rescuer can control the stay rope to drop to the ground of the building or position close to the ground or roofing of an ancillary building or position close to the roofing of the ancillary building, the above controller is turned on for lifting stay rope and driving an emission gun of a fire-fighting water gun or a fire extinguishing apparatus or a fire extinguishing spray gun of a water mist fire extinguishing apparatus or a ventilation air port to the target position.

The invention relates to a building, wherein fine water mist fire-extinguishing equipment is arranged above the building, is connected with a water supply pipe, and is further connected with a glue pipe, the glue pipe is wound on a pipe winding device or electric pipe winding device, extends out from the pipe winding device or electric pipe winding device, and is connected with a fire-extinguishing spray gun or nozzle, a controller or control rope is arranged on the lower floor of the building or the external portion of the building, and the controller is started or the control rope is used so as to control the fire-extinguishing spray gun or nozzle to descend from the position above the building along the external wall of the building.

Disclosed is a building. Water mist fire extinguishing equipment and rope falling equipment are arranged on the building. The water mist fire extinguishing equipment comprises an electric hose coiling device or a non-electric hose coiling device and a hose, wherein the hose is wound on one or more electric hose coiling devices or non-electric hose coiling devices, extends from the electric hose coiling devices or the non-electric hose coiling devices, is directly connected with a fire gun or sprayer or connected with the fire gun or sprayer through a connector and is arranged on the rope falling equipment. On the lower floor of the building or outside the building, the fire gun or sprayer can be controlled to move out and fall down along the outer wall of the building. A deflection pulley or deflection pulling ring or deflection pulling rope or deflection roller are arranged on the lower portion of the building.

The invention discloses a building. A water mist fire extinguishing device is arranged above the building. The water mist fire extinguishing device comprises a pressurization device, an electric winder and a rubber tube. The rubber tube winds the electric winder, extends out of the electric winder, is connected to a fire extinguishing spray gun or a nozzle and is arranged above the building. Through use of a controller 1 or a control rope 1 and use of a controller 2 or a control rope 2, the fire extinguishing spray gun or the nozzle can be controlled to fall off from the upper part of the building along the outer wall of the building and to inject a fire extinguishing material to an object of the building or carry out ventilation. The structure below the building or the ground below the building is provided with a deflection sheave or a deflection draw ring or a deflection draw rod or a deflection roller.

The invention relates to a high-temperature-resistant and heat-conductive nylon composite material and a preparation method thereof. The high-temperature-resistant and heat-conductive nylon composite comprises the following components in parts by weight: 100 parts of PA66, 40-80 parts of high temperature-resistant nylon, 10-50 parts of a nylon elastomer, 10-30 parts of carbon fibers, 20-50 parts of a heat-conductive filler, 0.2-1.5 parts of a reactive flow modifier, 0.3-1.2 parts of an antioxidant and 0.3-2 parts of a lubricating agent. The preparation method comprises the following steps: uniformly pre-mixing the PA66, the high-temperature-resistant nylon, the nylon elastomer, the heat-conductive filler, the reactive flow modifier, the antioxidant and the lubricating agent, adding from a main feeding port of a double-screw extruder, adding the carbon fibers from a glass fiber mouth, controlling the rotating speed to be 800-1200 revolutions / min and the temperature to be 250-285 DEG C and performing extrusion granulation to obtain the high-temperature-resistant and heat-conductive nylon composite material. The material has excellent high temperature resistance and heat conduction and simultaneously has the characteristics of being good in mechanical property and easy to process.

The invention relates to a building, wherein fine water mist fire-extinguishing equipment and rope descending equipment are arranged above the building, the fine water mist fire-extinguishing equipment is connected with a water supply pipe and is connected with one or a plurality of electric pipe winding devices through a glue pipe, the glue pipe is wound on the one or the plurality of the electric pipe winding devices, extends out from the electric pipe winding device, is connected with a fire-extinguishing spray gun or nozzle, and is arranged in the rope descending equipment, the fine water mist fire-extinguishing equipment, the electric pipe winding device and the rope descending equipment are connected with a control electric cable or control rope, the control electric cable or control rope extends downward to the position below the building or the external portion of the building, and that the fire-extinguishing spray gun or nozzle descends from the position above the building along the external wall of the building can be controlled on the position below the building or the external portion of the building.