44results about How to "Insulate from high temperature" patented technology

The invention relates to the technical field of ship piping fittings, and discloses an exhaust pipe penetration piece. The exhaust pipe penetration piece comprises a ring piece, a connecting pipe, a connecting piece and a fireproof and insulating gasket, and the ring piece is provided with an inner ring surface for being fixedly connected with the outer circumferential wall of an exhaust pipe andan outer ring surface extending away from the outer circumferential wall of the exhaust pipe; the connecting pipe is located on one side of the ring piece, and the exhaust pipe is sleeved with the connecting pipe; an insulating space is formed between the inner circumferential wall of the connecting pipe and the outer circumferential wall of the exhaust pipe, and the outer circumferential wall ofthe connecting pipe is used for fixedly being connected with a bulkhead; and the end part, close to the ring piece, of the connecting pipe is connected with the ring piece through the connecting piece, and the fireproof and insulating gasket is arranged between the connecting pipe and the ring piece. The invention further discloses an installation method of the exhaust pipe penetration piece. Theexhaust pipe penetration piece and the installation method thereof are compatible with the high temperature characteristic and the watertight characteristic required for the exhaust pipe, thereby improving the flexibility of the layout of the exhaust pipe in a cabin.

The invention provides a flame-retardant flash memory device, which includes a first housing, a first circuit board and a first transmission interface. The first circuit board includes a controller and multiple flash memory assemblies. The first circuit board is arranged in the first housing and is wrapped in a first fireproof material. The first transmission interface is arranged outside the first housing. A circuit connecting wire is connected between the first circuit board and the first transmission interface. The flash memory assemblies are accommodated in the fireproof housing. If the flash memory device is placed in a scene of fire, the fireproof housing can effectively isolate high temperature to prevent the flash memory assemblies from being burnt out.

The invention discloses a circulation spray assembly type building structure maintenance device. The building structure maintenance device includes a shell, a spray mechanism, and a vibration damping mechanism. The inside of the shell is provided with a spray mechanism and a vibration damping mechanism from top to bottom. The spraying mechanism sprays the building components, the spraying mechanism reduces the maintenance range of the building structure, the vibration damping mechanism buffers the vibration of the building structure, and the vibration damping mechanism controls the buffering strength through the resistance. The spraying mechanism forms a curing cabin on the outside of the building structure through a rubber curing layer, and sprays water mist into the maintenance cabin, so that the water mist diffuses into the curing cabin driven by the airflow generated during spraying, so that the water mist In full contact with the building structure, the maintenance of the building structure through water mist can not only reduce water consumption, but also fully maintain the building structure.

The invention discloses a fast assembly type anti-explosion protective plate for steel bridge main girders and a method for manufacturing and assembling the fast assembly type anti-explosion protective plate. The fast assembly type anti-explosion protective plate comprises a plurality of assembly type anti-explosion protective plate single bodies. The assembly type anti-explosion protective platesingle bodies are combined with one another to form the fast assembly type anti-explosion protective plate, a top steel plate and a bottom steel plate of each assembly type anti-explosion protective plate single body are integrally connected with each other by hinges and energy dissipation soft steel bars, spaces between the top steel plates and the bottom steel plates are filled with foamed aluminum layers, variable-section steel bars are adhered on the bottom steel plates, round steel ingots with holes are adhered on the top steel plates, basalt fiber cloth is adhered on the top steel plates, and SMA (stone mastic asphalt) flame-retardant asphalt concrete abrasion layers are paved on the surfaces of the fast assembly type anti-explosion protective plate after the fast assembly type anti-explosion protective plate is completely assembled. The fast assembly type anti-explosion protective plate and the method have the advantages that the excellent explosion shock wave energy absorptioncapacity of foamed aluminum, the support and energy dissipation capacity of the steel bars, the high-temperature resistance of the basalt fiber cloth and the disguise power and the abrasion resistanceof the SMA flame-retardant asphalt concrete abrasion layers are utilized, and accordingly the purpose of bearing upper load and protecting the steel bridge main girders can be achieved; the cost canbe saved, the quality of the fast assembly type anti-explosion protective plate can be controlled, and the fast assembly type anti-explosion protective plate is convenient to construct.

The invention provides a data storage device. The data storage device comprises a shell, a main circuit board and an external connector, the shell is provided with a plurality of ventilation openings,the main circuit board comprises a controller and a plurality of flash memory assemblies. The main circuit board is arranged in the shell and is wrapped by a fireproof material; the external connector is arranged outside the shell; a circuit connecting wire is connected between the main circuit board and the external connector; therefore, when the data storage device is located at a fire scene, the main circuit board is coated with the fireproof material so as to prevent the flash memory assembly on the main circuit board from being burnt out, and moreover, the ventilation opening of the shell is utilized, so that the data storage device has better heat dissipation and convection effects, the data storage device can be quickly cooled, and the integrity of data storage is further ensured.

The invention discloses an automobile electronic exhaust active valve structure which comprises a valve body, a valve plate, a limiting seat, a main shaft and a power source, wherein an insertion hole is formed in the side face of the valve body, the main shaft is rotationally connected to the insertion hole, the main shaft comprises a first end connected with the valve plate and a second end provided with an elastic adapter, the power source is used for driving the elastic adapter to rotate, the limiting seat is connected to the valve body, and a positioning part used for abutting against the elastic adapter is arranged on the limiting seat. According to the scheme, the opening angle of the valve plate can be controlled by controlling the relative position of the elastic adapter and the limiting seat, the structure is stable, adjustment is convenient, the whole structure cannot be damaged due to the elastic buffering effect between the elastic adapter and the power source, and practicability is higher; and the elastic adapter can also play a role in separation of preventing gas in the valve body from being squeezed into the power source, so that the service life of the overall structure is prolonged.

The invention discloses a fast assembly type anti-explosion protective plate for steel bridge main girders and a method for manufacturing and assembling the fast assembly type anti-explosion protective plate. The fast assembly type anti-explosion protective plate comprises a plurality of assembly type anti-explosion protective plate single bodies. The assembly type anti-explosion protective platesingle bodies are combined with one another to form the fast assembly type anti-explosion protective plate, a top steel plate and a bottom steel plate of each assembly type anti-explosion protective plate single body are integrally connected with each other by hinges and energy dissipation soft steel bars, spaces between the top steel plates and the bottom steel plates are filled with foamed aluminum layers, variable-section steel bars are adhered on the bottom steel plates, round steel ingots with holes are adhered on the top steel plates, basalt fiber cloth is adhered on the top steel plates, and SMA (stone mastic asphalt) flame-retardant asphalt concrete abrasion layers are paved on the surfaces of the fast assembly type anti-explosion protective plate after the fast assembly type anti-explosion protective plate is completely assembled. The fast assembly type anti-explosion protective plate and the method have the advantages that the excellent explosion shock wave energy absorptioncapacity of foamed aluminum, the support and energy dissipation capacity of the steel bars, the high-temperature resistance of the basalt fiber cloth and the disguise power and the abrasion resistanceof the SMA flame-retardant asphalt concrete abrasion layers are utilized, and accordingly the purpose of bearing upper load and protecting the steel bridge main girders can be achieved; the cost canbe saved, the quality of the fast assembly type anti-explosion protective plate can be controlled, and the fast assembly type anti-explosion protective plate is convenient to construct.

The invention discloses a carrier device and method for wave soldering of bulb components, and relates to the technical field of bulb component welding. The carrier device includes a bottom plate, a cover plate and a frame, the frame is fixedly connected to the bottom plate, the frame surrounds the bottom plate, and a plurality of welding holes for welding the bulb assembly are opened on the bottom plate, the shape of the welding hole matches the light bulb assembly, and the frame A snap ring assembly is arranged on the top, and the cover plate is covered on the bottom plate through the snap ring assembly. The method includes the following steps: S1, putting the contact piece and the PCB board into a plastic seat to form a light bulb assembly; S2, putting the light bulb assembly into the welding hole on the bottom plate, covering the cover plate, and pressing the cover plate tightly through the clamp spring assembly ; S3, placing the carrier device on the conveyor belt, and transferring the carrier device to the wave soldering machine for automatic wave soldering. The invention adopts the carrier device to carry out wave soldering on the light bulb assembly, which can improve the welding quality, has a high welding yield, and thus improves the welding efficiency.

The invention discloses a capsule door of a rescue capsule used for a mine, belongs to the technical field of capsule doors of rescue capsules and aims at providing a capsule door of a rescue capsule for a mine, wherein the capsule door is provided with a thermal insulating layer and has a good sealing effect. The technical scheme adopted by the invention is as follows: the capsule door of the rescue capsule used for the mine comprises a door frame, a door, hinges, a sealing strip, a thermal insulating material and an observation window, wherein the door is connected to the door frame by virtue of the two hinges; one circle of sealing strip is arranged between the door frame and the door; and the door is provided with the observation window. The capsule door is structurally characterized in that one circle of flitch is fixed on a door plank; a stainless steel trim plate is fixed on the flitch; the thermal insulating material is installed in a sealed space among the door plank, the flitch and the stainless steel trim plate; and the door is provided with a locking mechanism which can press the door onto the door frame. The capsule door can be applied to the rescue capsule under the mine.

The invention discloses a circulation spraying assembly type building structure maintenance device which comprises a shell, a spraying mechanism and a vibration reduction mechanism, the spraying mechanism and the vibration reduction mechanism are arranged in the shell from top to bottom, the spraying mechanism sprays building components, and the spraying mechanism enables the maintenance range ofa building structure to be narrowed. The vibration reduction mechanism buffers vibration of the building structure and controls the buffer strength through the resistance magnitude. The spraying mechanism forms a maintenance bin on the outer side of the building structure through a maintenance layer made of a rubber material and sprays water mist into the maintenance bin, so that the water mist diffuses into the maintenance bin under the driving of airflow generated during spraying, thus the water mist is in comprehensive contact with the building structure, the building structure is maintained through the water mist, the water consumption can be reduced, and the building structure can be comprehensively maintained.

The invention discloses a composite mouth-repairing structure for a counterweight layer of a large-caliber submarine pipeline. The composite mouth-repairing structure comprises a mouth-repairing anticorrosive coating, a mould layer, ring-direction high-density polyurethane foam tiles and high-density polyurethane foams, wherein the mouth-repairing anticorrosive coating is arranged on outer surfaces of steel tube reserved welding sections and tube body anticorrosive coating mouth-repairing sections of two counterweight tubes, and is connected with tube body anticorrosive coatings on the end surfaces of the mouth-repairing sections of the two counterweight tubes; the two ends of the mould layer are respectively arranged on the outer surfaces of concrete counterweight layer mouth-repairing sections of the two counterweight tubes; the ring-direction high-density polyurethane foam tiles are arranged at the periphery of the mouth-repairing anticorrosive coating; the thicknesses of the ring-direction high-density polyurethane foam tiles are smaller than those of the concrete counterweight layers by 30-50mm; and the high-density polyurethane foams are filled between the ring-direction high-density polyurethane foam tiles and the mould layer in a site casting mode, and are integrated with the ring-direction high-density polyurethane foam tiles and the mould layer to coat the outer side of the mouth-repairing anticorrosive coating. According to the technical scheme disclosed by the invention, the technical problems that open-cell polyurethane foams are cured prematurely, mould filling is incomplete and time for reaching strength required by laying is long during filling construction of the counterweight layer of the large-caliber submarine pipeline in the prior art are solved.

The invention discloses an anti-crystallization freeze-crack urea nozzle, which relates to the technical field of urea nozzles and comprises a nozzle housing, an air guide pipe, and a urea guide pipe. The nozzle housing is cylindrical, and the bottom of the nozzle housing is fixedly connected with a spray seat. , there are two air guide tubes and they are symmetrically fixed on the top of the nozzle housing. The air guide tube runs through the nozzle housing. , the bottom of the urea draft pipe is fixedly connected with a broken bubble tube, the broken bubble tube is composed of an inlet section, a broken bubble section and a spray section, and the top and bottom of the broken bubble section are respectively connected to the inlet section and the spray section in rotation, the present invention can Enhance the atomization effect and spray range of the urea nozzle, avoid the early atomization of the urea solution and the dripping of the urea solution when it is sprayed, and effectively prevent the crystallization of the urea solution.

The invention provides a nozzle device mounted on a casting device. The casting device comprises a crucible for accommodating molten steel; and the crucible has a main body and an output port. The nozzle device comprises a support base, a nozzle arranged in the support base, and a first heating unit for heating the nozzle. The support base comprises a base body; and the base body has a stainless steel layer, and a first heat insulation layer positioned at the inner side of the stainless steel layer. The upper end of the nozzle is combined at the bottom of the main body, and is communicated with the output port. The first heating unit comprises two first heating pieces arranged in the base body at an interval and used for heating the nozzle. Therefore, the first heating pieces can heat the nozzle to prevent the molten steel from condensing when flowing through the nozzle; and the first heat insulation layer of the base body can effectively isolate high temperature, and fits the stainless steel layer to improve the whole rigidity, thereby improving cracks caused by high-temperature thermal shock.