30results about How to "Guaranteed high temperature" patented technology

The invention discloses a crystallizer for preparing a superhard aluminum alloy flat cast ingot and a use method of the crystallizer and relates to a tool for preparing the superhard aluminum alloy flat cast ingot and a use method of the tool.The crystallizer aims at solving the problem that superhard aluminum alloys produced by the existing casting tool have high possibility of crack rejects. The crystallizer for preparing the superhard aluminum alloy flat cast ingot comprises a crystallizer water chamber, a water chamber gland, a secondary water distribution plate and an oil gland, wherein the crystallizer water chamber comprises a water chamber internal wall, a water chamber external wall and a water chamber base; a plane is arranged at a junction between the internal surface and the upper surface of the water chamber internal wall; water outlet holes are formed in the plane; water inlet holes are formed at the two ends of the water chamber gland in a length direction; and a lubricating oil channel is arranged on the water chamber base and located close to the water chamber internal wall on the plane on the outer side of a cavity.The use method comprises the step of arranging a water baffle in a down direction of the cast ingot below the crystallizer when in use.The method reduces crack tendency.

The invention relates to a calcium carbide liquid jet granulation and waste heat utilization system and method. The system comprises a jet granulation device, a first steam boiler, a heat exchange device and a second steam boiler, wherein the jet granulation device comprises a thermal-state calcium carbide liquid inlet and a thermal-state calcium carbide particle outlet, an injector is arranged at the thermal-state calcium carbide liquid inlet, and multiple horizontally arranged seamless steel tubes are arranged between the outer wall and the inner wall of the jet granulation device and filled with first thermal superconductive heat exchange bodies connected with the first steam boiler; the heat exchange device comprises a thermal-state calcium carbide particle inlet and a thermal-state calcium carbide particle outlet, the thermal-state calcium carbide particle inlet is connected with the thermal-state calcium carbide particle outlet of the jet granulation device, and multiple horizontally arranged seamless steel tubes are arranged between the outer wall and the inner wall of the heat exchange device and filled with second thermal superconductive heat exchange bodies connected with the second steam boiler. With the adoption of the system and method, quick cooling and granulation of a calcium carbide liquid can be realized, and waste heat of the calcium carbide liquid can be effectively utilized.

The invention discloses an oxygen supply and thermal insulation device and a flammable gas combustion chamber with the same. After being inlaid in an inlet of the combustion chamber, the oxygen supply and thermal insulation device connects an inner cavity of the combustion chamber with a flame jetting opening of a combustion device. The oxygen supply and thermal insulation device comprises a gas inlet cylinder formed by mutually nesting an inner cylinder and an outer cylinder. An oxygen supply pipe is inserted between the inner cylinder and the outer cylinder, and the space between the inner cylinder and the outer cylinder is filled with temperature-resistant castable. The inner cylinder, the outer cylinder and the oxygen supply pipe are mutually fixed through supporting rings. A pipe cap used for adjusting the gas inflow of the combustion chamber is installed at the gas inlet end of the oxygen supply pipe. According to the oxygen supply and thermal insulation device and the flammable gas combustion chamber with the same, flammable gas can be fully burnt, and the burning temperature can be above 1000 DEG C, so that energy in the flammable gas can be fully used. Through a special sealing structure at the inlet of the combustion chamber, heat loss is avoided, so that heat energy generated by burning the flammable gas is used furthest. In addition, the inlet of the combustion chamber is welded in a sealed mode through a hubbed flange structure, so that the functions that the service life of the combustion chamber, the gas inlet cylinder and other parts is prolonged are achieved.

The invention discloses a hydrogenation reaction device and belongs to the field of chemical equipment. The device comprises a raw material dissolving kettle, a circulating pump, a preheater and a hydrogenation filter, wherein the bottom of the raw material dissolving kettle is sequentially connected with the bottom of the hydrogenation filter and the circulating pump; the other end of the circulating pump is connected with the preheater, and the preheater is connected with the top of the hydrogenation filter through a pipeline; the hydrogenation filter is composed of a jet-loop reactor, a hydrogen tube and a filter; the hydrogenation filter is tower type and is sequentially divided into a hydrogenation reaction region and a filter region from bottom to top internally, respectively; the two regions are connected and communicated with each other by virtue of flanges; in the hydrogenation reaction region, the hydrogen tube is connected with the jet-loop reactor which is fixedly arranged at the top of the tower and is connected with the preheater through a pipeline; various inlet-outlet pipes connected with the circulating pump are provided with control valves. The hydrogenation reaction device disclosed by the invention fully carries out hydrogenation, is high in yield, and does not need to recycle escaped hydrogen. In particular in an application of hydrogenation production of hydrogenated bisphenol A by bisphenol A, the hydrogenation reaction device is energy-saving, high in work efficiency and stable in product quality.

The invention discloses a constant temperature and moisture test box, comprising a bottom plate, wherein a cabinet body is welded to the outer wall of the top of the bottom plate; a test bin and an accessory bin are arranged on the outer wall of one side of the cabinet body; an experiment bin is arranged on the outer wall of one side of the cabinet body; a sealing door is fixed to the outer wall of the experiment bin through hinges; a control cabinet is arranged on the side, close to the experiment bin; and a humidifying box, a water cup group, an EZO over-temperature protection element and aswitchboard are arranged on the inner wall of the test bin. According to the invention, through the EZO over-temperature protection element and temperature and moisture sensors, a temperature controlarea and a moisture control area are changed separately; meanwhile, mutual influence of temperature and moisture is reduced in the temperature and moisture changing process, and constant-temperature water mist is formed in the internal water cup group; and when the water cup group works, entered to-be-atomized liquid is atomized and quantified, the temperature of an overall atomized substance is regulated and controlled, and the temperature and moisture of the water mist injected into the experiment bin reach a constant standard, so constant-temperature and constant-moisture effects are achieved.

A tightly-arranged engine tail gas treatment system comprises an exhaust manifold, a post-treatment assembly and a supercharger which are fixedly arranged on one side of an engine, wherein the post-treatment assembly comprises a particulate matter catcher for selective catalytic reduction, an oxidation catalytic converter and a mixer assembly; the rear end of the particulate matter catcher for selective catalytic reduction is communicated with the rear end of the oxidation catalytic converter through the mixer assembly, and the particulate matter catcher for selective catalytic reduction, the oxidation catalytic converter and the mixer assembly are arranged in a U shape; the exhaust manifold is arranged between the engine and the oxidation catalytic converter, the front portion of the exhaust manifold is communicated with the front end of the oxidation catalytic converter through the supercharger, and the exhaust manifold, the supercharger and the particulate matter catcher 31 for selective catalytic reduction are arranged in a U shape; and the side part of the exhaust manifold is communicated with an engine exhaust port in the side part of the engine. The design is compact in arrangement, a waste gas flowing path is short, the waste gas heat loss is small, the conversion efficiency of catalysts is high, and strict emission standards are met.

The invention discloses an oxygen supply and thermal insulation device and a flammable gas combustion chamber with the same. After being inlaid in an inlet of the combustion chamber, the oxygen supply and thermal insulation device connects an inner cavity of the combustion chamber with a flame jetting opening of a combustion device. The oxygen supply and thermal insulation device comprises a gas inlet cylinder formed by mutually nesting an inner cylinder and an outer cylinder. An oxygen supply pipe is inserted between the inner cylinder and the outer cylinder, and the space between the inner cylinder and the outer cylinder is filled with temperature-resistant castable. The inner cylinder, the outer cylinder and the oxygen supply pipe are mutually fixed through supporting rings. A pipe cap used for adjusting the gas inflow of the combustion chamber is installed at the gas inlet end of the oxygen supply pipe. According to the oxygen supply and thermal insulation device and the flammable gas combustion chamber with the same, flammable gas can be fully burnt, and the burning temperature can be above 1000 DEG C, so that energy in the flammable gas can be fully used. Through a special sealing structure at the inlet of the combustion chamber, heat loss is avoided, so that heat energy generated by burning the flammable gas is used furthest. In addition, the inlet of the combustion chamber is welded in a sealed mode through a hubbed flange structure, so that the functions that the service life of the combustion chamber, the gas inlet cylinder and other parts is prolonged are achieved.

A tightly arranged engine exhaust gas treatment system includes an exhaust manifold fixed on one side of the engine, an aftertreatment assembly and a supercharger, and the aftertreatment assembly includes a particulate matter trap for selective catalytic reduction, an oxidation catalyst and a mixing The rear end of the selective catalytic reduction particulate matter trap is connected to the rear end of the oxidation catalyst through the mixer assembly, and the selective catalytic reduction particulate matter trap, oxidation catalytic converter and mixer assembly are in the form of U-shaped arrangement; the exhaust manifold is arranged between the engine and the oxidation catalyst, the front of the exhaust manifold communicates with the front end of the oxidation catalyst through the supercharger, and the exhaust manifold, the supercharger and the selector The catalytic reduction particulate trap 31 is arranged in a U shape; the side of the exhaust manifold communicates with the engine exhaust port on the side of the engine. The design is compact, and the path of exhaust gas flow is short, the heat loss of exhaust gas is small, the conversion efficiency of catalyst is high, and it meets strict emission standards.

The invention discloses a low-energy seawater desalination system, which comprises a seawater pump and a seawater desalination tank. A light energy heating mechanism is commonly connected to the tube, and the light energy heating mechanism includes a plurality of seawater heating mechanisms arranged in a matrix; the present invention also discloses a low-energy seawater desalination method, which includes the following steps: S1: seawater extraction; S2 : split heating; S3: confluence; S4: reverse osmosis filtration; S5: steam condensation; S6: fresh water collection. The present invention heats seawater through blackened metal plates and blackened metal semicircular tubes, reduces equipment costs, increases seawater evaporation speed and evaporation through atomizing nozzles, and further desalinizes seawater through reverse osmosis membranes without analyzing salt in seawater Desalinated high-concentration seawater is used as a condensing agent for water vapor, which reduces material costs and energy consumption.

The invention provides a preparation method of high-strength nylon. The preparation method comprises the steps: 1, polyamide-6 is packaged through a vacuum bag, during using, the polyamide-6 is addedinto a drying machine to be dried at a high temperature of 200 to 300 DEG C, and after drying is completed, impurities in the polyamide-6 are filtered through a nylon filter net; 2, resin is heated at200 DEG C, after heating, the resin is mixed with the polyamide-6, and after still standing for 20 min, carbon fibers are added for stirring for 30 to 40 min; 3, an antioxidant is added into a mixture, after stirring and still standing, a fire retardant is added, after stirring for 20 to 30 min, still standing is conducted for 30 min, and an assistant is added for stirring; 4, it is ensured thatthe processing temperature is maintained at 300 to 320 DEG C, carbon black is added, and after stirring for 25 to 30 min, still standing is conducted; and 5, during injection molding, the injection molding duration is prolonged, the injection speed is 50 to 60 cm3 / s, a catalyst is added during injection molding, and during extrusion, the temperature of an extruding outlet is controlled to be 260 to 300 DEG C.

The invention relates to the field of preparation of organic inorganic powder particles, and specifically provides a stirring and discharging device, including: a material stirring mechanism (1) for stirring materials at high temperature and a material discharging mechanism (1) connected to the material stirring mechanism (1) mechanism (2), the material discharge mechanism (2) includes a control switch structure (201) for controlling the discharge and discharge of materials from the material stirring mechanism (1), and the control switch structure (201) ) communicates with the material conveying pipeline (202) for unloading. According to the stirring and discharging device of the present invention, on the basis that the material can be stirred quickly and uniformly and heated uniformly to improve the activity, the follow-up treatment becomes simple and efficient, the qualified rate of the product is effectively improved, and the production efficiency is effectively improved.

The invention belongs to the technical field of advanced manufacturing, and particularly relates to a multi-material 3D printer. The multi-material 3D printer comprises a supporting frame, a spray head and a bottom plate, wherein the bottom plate is arranged at the position, close to the bottom face of the supporting frame, in the supporting frame; the top of the supporting frame is fixedly connected with a first guide rail; the interior of the first guide rail is slidably connected with a first sliding block; a second guide rail is arranged on the surface of the first sliding block; the inner bottom surface of the second guide rail is in sliding connection with a second sliding block; the bottom face of the second sliding block is fixedly connected with a support rod; the spray head is fixedly connected to the bottom surface of the supporting rod; a guide block is arranged in the spray head; by means of the multi-material 3D printer, automatic opening and closing of a spraying hole of a 3D printer are effectively achieved, the problem that when the position of the spraying head is switched, remaining molten materials in the spraying hole drip and wiredraw are avoided, meanwhile, it is guaranteed that the remaining molten materials are kept in a high-temperature state, the bottom hardening phenomenon of the remaining molten materials is avoided, and the product quality is improved.

The invention discloses a wet polyurethane resin with high flexing resistance, high wear resistance and high peeling strength, and a preparation method thereof. During a synthetic process of the polyurethane (PU) resin, proper soft polyurethane segment and hard polyurethane segment materials and a brand-new synthesis process route by quasi prepolymerization are selected to prepare the wet polyurethane resin based on fully considering effect of separate soft and hard segment structure, crystallinity and intermolecular cohesive energy density distribution of the PU resin on aggregation structure relationship formed by coagulation of PU resin solution in dimethylformamide (DMF) aqueous solution. The wet PU resin with high flexing resistance, high wear resistance and high peeling strength fully solves the defect that the existing common PU resin can not reach three performance indexes which are high flexing, high wear resistance, high peeling strength at the same time. Synthetic leather made from the wet PU resin with high flexing resistance, high wear resistance and high peeling strength can meet three performance indexes of high flexing resistance, high wear resistance, high peelingstrength at the same time, and can greatly improve durability of shoes products.

The invention provides a vacuum insulation oil impregnation device and a method thereof. Vacuum oil impregnation is carried out by a liquid level difference method; an oil storage tank is higher than an oil impregnation tank; when the vacuum oil impregnation device works, the vacuum oil impregnation device can fully evaporate the interior of a sample in a high-temperature ultimate vacuum approaching state; after the dryness meets the requirement, a valve for connecting the oil storage tank and the oil impregnation tank is opened; and because the two tanks are all positioned in the ultimate vacuum approaching state, the insulating oil of the oil storage tank automatically flows into the oil impregnation tank under the action of gravity. The device and the method have the advantages that: the defects of the conventional air pressure difference method are avoided, the vacuum degree of the two tanks is kept unchanged, extra gas cannot enter an insulating carton and the transformer oil, oil foam cannot be generated in the oil impregnation process, the moisture inside the solid insulating material is ensured to be fully evaporated, a cavity inside the solid insulating material can be fully filled with a liquid insulating material, the insulating material treatment effect is improved, and the accuracy of the subsequent test conclusion is ensured.

The invention discloses a movable-static integrated zoom intelligent shooting device. The intelligent shooting device comprises a photography platform composed of a horizontal platform, a horizontal platform bracket and a special-shaped floor stand and a remote controller. The movable-static integrated zoom intelligent shooting device disclosed by the invention is small in volume, light in weight, convenient for carrying, easy to mounting, high in intelligent level and convenient for operation.

The invention discloses a liquid state slag removal method of a high-temperature oriented silicon steel heating furnace. The liquid stage slag removal method comprises the following steps of uniformly paving a coke particle layer on the surfaces of the furnace bottoms of a second heating section and a soaking section of the heating furnace after slag removal when the stepped heating furnace is stopped; opening a burner nozzle of a slag removal hole, and uniformly adding deslagging agent particles on the furnace bottoms of the second heating section and the soaking section of the heating furnace till slag accumulated on the furnace bottom rises to cause that the burning flame shape of burner nozzles at the lower parts of the second heating section and the soaking section of the heating furnace and the temperature uniformity of the upper part and the lower part of the furnace cannot meet the normal heating quality requirement of high-temperature oriented silicon steel; and stopping heating the high-temperature oriented silicon steel of the heating furnace. According to the liquid state slag removal method, the heating furnace does not need to be transformed, and the liquid state slag can be efficiently and rapidly removed by using an existing liquid stage slag removal device; the liquid state slag removal method disclosed by the invention has the advantages of simple method, convenience for operation, excellent liquid state slag removal effect and the like; the comprehensive purposes of reducing the slag melting point, the molten slag viscosity and the maintenance cost of the high-temperature oriented silicon steel heating furnace, improving the molten slag fluidity, liquid state slag removal quantity, cycle heating quantity of the heating furnace and production efficiency of high-temperature oriented silicon steel heating furnace and the like are finally achieved.

The invention discloses a dynamic and static integrated zoom intelligent photographing device, which comprises a photographing platform composed of a horizontal platform, a horizontal platform bracket, a special-shaped stand, and a remote controller. The moving and static integrated zoom intelligent photographing device of the present invention is small in size, light in weight, easy to carry, easy to install, high in intelligence and easy to operate.