85results about How to "Prevent high temperature deformation" patented technology

The invention discloses a disc-type microwave continuous splitting device. The disc-type microwave continuous splitting device comprises a feeding assembly, a microwave splitting assembly, a discharging assembly and a control assembly which are sequentially communicated with one another, wherein the microwave splitting assembly comprises a microwave generator, a nonmetal sealing plate, a splitting cavity, a rotating disk and a disk driving motor, the nonmetal sealing plate is used for dividing the splitting cavity into an upper part and a lower part, the rotating disk is arranged at the lower part of the splitting cavity and is matched with the disk driving motor in a driving rotation manner, and the microwave generator is arranged on a circular flange on the splitting cavity. The invention aslo discloses a method for splitting waste rubber by using the splitting device; the disc-type splitting cavity is adopted in the method and is divided into an upper cavity and a lower cavity through the nonmetal sealing plate, so that the microwave splitting efficiency of waste tires is improved; and in order to ensure the stable operation of a disk and prevent the high-temperature deformation, one or a plurality of annular guide rails are arranged on the lower surface of the rotating disk and are used for supporting the rotating disk, so that the rotating disk rotates on a guide rail so as to optimize the splitting effect.

The invention discloses a coke oven ascension pipe raw gas evaporative cooling device and a preparation method thereof. The device comprises a cooling pipe, a raw gas inlet flange and a raw gas outlet flange, wherein the raw gas inlet flange and the raw gas outlet flange are connected with the two ends of the cooling pipe respectively. The cooling pipe is sequentially composed of an inner sleeve, an outer sleeve, a heat preservation layer and a protection layer from inside to outside. Through holes are formed in the two ends of the side wall of the outer sleeve respectively. A water inlet steel pipe is installed on the through hole close to the raw gas inlet flange. A vapor outlet steel pipe is installed on the through hole close to the raw gas outlet flange. An annular expansion joint section is arranged at the portion, between the water inlet steel pipe and the vapor outlet steel pipe, of the outer sleeve. The high temperature structural strength and high temperature breakage resistant capacity of the cooling device are remarkably improved, the heat transfer behavior of the pipe wall of the inner sleeve of the cooling device is improved, the radial temperature distribution of the pipe wall is optimized, the efficient function coordination of multiple layers of materials is achieved, and the comprehensive use performance of the inner sleeve is improved; the aim of long-term efficient and stable running of the ascension pipe raw gas evaporative cooling device is finally achieved.

The invention discloses a method and device for reducing the temperature of a thin-strip continuous casting lower closed chamber, and relates to the field of thin-strip continuous casting. The problem that an existing process cannot give consideration to strip steel anti-oxidation and rolling temperature reduction of the thin-strip continuous casting lower closed chamber at the same time is solved; the following improvements are performed on the basis of an existing dual-roller thin-strip continuous process, wherein the improvements include that liquid nitrogen is injected into the closed chamber, a plurality of channels leading to the lower closed chamber are evenly distributed on the surrounding wall of the thin-strip continuous casting lower closed chamber, and the liquid nitrogen is injected into the channels; the flow and the pressure of the liquid nitrogen in each channel are adjusted; and closed-loop control over the oxygen concentration of the lower closed chamber is carried out; and closed-loop control over the online rolling temperature is carried out, and the inlet temperature is controlled to range from 900 DEG C to 1150 DEG C. By means of the method and device, the aim of rapid cooling of the thin-strip continuous casting lower closed chamber can be achieved, steel strip oxidation is effectively prevented, the lower steel strip rolling temperature is achieved, the steel strip cooling homogeneity is improved, and the plate shape and the surface quality of strip steel are better improved.

The invention provides a low-temperature glaze-fired ceramic product and a preparing method thereof, and relates to the technical field of ceramic products. The low-temperature glaze-fired ceramic product is obtained by coating a ceramic blank with low-temperature glaze and drying and firing the ceramic blank. The ceramic blank comprises, by mass, 30-40 parts of coal gangue, 40-50 parts of chinastone, 5-10 parts of bentonite, 3-8 parts of talc, 6-15 parts of wollastonite, 4-10 parts of clay, 1-3 parts of quartz and 0.2-0.6 part of sodium polyphosphate. The low-temperature glaze comprises, by mass, 5-15 parts of calcite, 30-40 parts of quartz, 10-20 parts of potassium feldspar, 9-15 parts of kaolin, 10-20 parts of talc, 15-25 parts of barium carbonate, 10-20 parts of borax, 5-10 parts of zinc oxide and 0.1-0.5 part of sodium carboxymethyl cellulose. The prepared ceramic product has high glaze surface hardness, color and luster and heat stability, the firing temperature is lowered, energy conservation and emission reduction are reduced, the adopted raw materials are easy to obtain and low in price, and production cost is reduced.

The invention discloses a high temperature water-cooling screw conveyor which comprises an electric motor, a box body and a screw conveying shaft. The screw conveying shaft is arranged in the box body, the electric motor is connected with the screw conveying shaft through a power gearing, the outer side of the screw conveying shaft is provided with helical vanes, and a water-cooling pipe is arranged in the screw conveying shaft. Aiming at the special working condition of high temperature furnace burden conveying, the screw shaft adopts water cooling, the helical vanes and the split structure of the screw shaft are made of refractory steel material to solve the problem of 800-1000 DEG C high temperature furnace burden leading-out and conveying.

The invention provides a thermal treatment method of a die-casting aluminum alloy and a die-casting aluminum alloy material. The thermal treatment method of a die-casting aluminum alloy comprises thefollowing steps: placing a die casting into a thermal treatment furnace, warming up at uniform speed to 150-170 DEG C from 20-30 DEG C, carrying out thermal insulation for 300-500 min, taking out thesample, and air cooling. The thermal treatment method of a die-casting aluminum alloy has simple steps and can avoid foaming and high-temperature deformation after thermal treatment of die castings.

The invention relates to a cooling device for block or particle type material baked in the industrial oven continuously. It includes wall, cooler grate bed, cooling air pipe, cooling air adjusting valve, wind supplying chamber on the movable bed and high temperature grate bed accumulation resisting device, the cooler grate bed is made up of fixed grate bed and movable grate bed, the fixed grate bed is arranged below the material aperture of the industrial oven, the fixed grate bed leans from up down and forma an angle alpha with the movable grate bed, the high temperature grate bed accumulation resisting device is arranged above the fixed grate bed. The advantages of the invention are avoiding the high temperature material from being blocked or pilled on the fixed bed effectively, the material on the fixed bed is more even.

The invention discloses a fast waterproof roller shutter door, which comprises a door head, a door frame, a fireproof door roller shutter and expansion screw bolts, wherein a water supply pipe is arranged in the door head and the door frame; a plurality of sprayers are arranged on the water supply pipe; openings of the sprayers are projected out of the inner side edge of the door head and the door frame and are distributed to form a circle; a smoke detection sensing device is arranged on the outer surface of the door head. The fast waterproof roller shutter door has the advantages that the water supply pipe and the sprayers are arranged in the door head and the door frame; when smoke exists around the roller shutter door and reaches a certain quantity, the smoke detection sensing device detects the smoke and gives out signals, and a firefighting linkage system warns; the fireproof door roller shutter descends to a preset position; after personnel escape, the fireproof door roller shutter continuously descends to be closed, so that the inside and the outside are isolated; water flow with the water pressure being 5 to 8kg is generated in the water supply pipe; a water curtain is formed around the door head and the door frame through the spraying in the three directions; the high-temperature deformation of the roller shutter door is prevented.

The invention discloses a base tube of an ultrasonic heat meter, which comprises a tube body [1], a forward flow transducer [2] and a counterflow transducer [3]. The tube body [1] is provided with a reflective block. The reflective block [4] is two metal cylinders, the two metal cylinders are fixed on the pipe wall in the pipe body [1], the upper end of the cylinder is provided with a reflective slope, and the reflective surfaces of the two reflective blocks are opposite , so that the ultrasonic waves emitted by the downstream transducer [2] can be received by the upstream transducer [3] after being reflected by the two reflection blocks [4]. The invention has stable signal, accurate measurement, little resistance to the fluid in the pipeline and no blockage.

The invention discloses a high-strength rare earth molybdenum tube cold cathode and a manufacturing process thereof. The high-strength rare earth molybdenum tube cold cathode is characterized by comprising a rare earth molybdenum tube and a molybdenum wire, wherein the molybdenum wire is welded on the side portion of the molybdenum tube. The high-strength rare earth molybdenum tube cold cathode is simple in structure, convenient to manufacture and stable in performance and saves the cost.

The invention relates to the field of numerical control laser cutting control equipment, in particular to a numerical control laser cutting control system for a power battery pole piece. The system comprises a cylindrical sleeve and further comprises a conical dust hood, dust collection pipelines, a pneumatic piston cylinder, a steam pipe, a liquid pipe and a high-pressure laser gun, wherein the conical dust hood is connected to the bottom of the cylindrical sleeve; the dust collection pipelines are symmetrically connected to the outer side of the lower half section of the cylindrical sleeve, and the dust collection pipelines are connected with an air blowing structure; the pneumatic piston cylinder is connected to the coaxial position of the air blowing structure; the steam pipe is connected to the pneumatic piston cylinder, and the steam pipe is connected with air-cooling and water-cooling equipment; the liquid pipe is connected to the air-cooling and water-cooling equipment; and the high-pressure laser gun is installed at the center position of the cylindrical sleeve, and a heat dissipation structure is arranged inside the cylindrical sleeve. According to the device, real-time cooling in the laser cutting process can be achieved, the suction-force-variable smoke dust absorption effect is achieved, kinetic energy generated by vaporization of a cooling agent is converted to provide mechanical energy for dust collection, heat emitted by laser is effectively utilized, energy is saved, and laser distance measurement is automatically adjusted, so that the system is convenient and practical.

The invention discloses a mass concrete reinforcement support doubling as a circulating water cooling system. The mass concrete reinforcement support comprises a cold water inlet, a reinforcement bracket, an elbow pipe, a water delivery pipe, a steel pipe sleeve, a cold water input pipe, a hot water output pipe, a sealing tape and a grid frame. The mass concrete reinforcement support has the beneficial effects that the workload of welding is reduced by the reinforcement bracket, the stability and sealing of the connection between cooling pipes are ensured by the elbow pipe, the normal operation of the circulating water cooling system is ensured, water leakage is prevented, the strength and bearing capacity of the cooling pipes are ensured by the steel pipe sleeve, so that the cooling pipesare completely integrated into the reinforcement bracket to play roles, the stability of the overall connection is ensured, the circulating water cooling function is added on the basis of support positioning function by the cold water input pipe and the hot water output pipe, the overall pipeline structure and concrete are conveniently cooled, the high-temperature deformation of the pipeline is prevented, the occurrence of cracks is reduced, and the service life of each pipeline is prolonged.

The invention discloses a high-erosion-resistance lip brick for a glass kiln and a preparation method of the high-erosion-resistance lip brick, the high-erosion-resistance lip brick comprises a lip brick body, the lip brick body is composed of an upper lip brick and a lower lip brick, fixing strips are arranged on the lower lip brick at equal intervals, fixing grooves are formed in the lower portion of the upper lip brick at equal intervals, the fixing grooves are clamped with the fixing strips, and an inclined plane is arranged on the upper lip brick. Two layers are arranged during processing of the lip brick, the upper lip brick has excellent corrosion resistance and fire resistance, good thermal shock resistance, low porosity, good volume stability and high strength can be guaranteed, corrosion of glass to the lip brick can be improved, the overall service life is prolonged, the lower lip brick is made of basic materials, and the cost is low. Not only can the processing cost be reduced, but also proper lip bricks can be produced according to actual conditions and can be reasonably utilized.

A manufacturing method and application of an ultra-large, ultra-long, and ultra-flat continuous load-carrying tabletop, which is characterized in that: a large annular (or circular) floating body is placed in a liquid tank, and liquid is added to the liquid tank to make it float , make it centered and rotate slowly, and use the counterweight method to adjust the buoyancy imbalance caused by the uneven mass of the floating body along the circumference, so that the outer wall of the ring-shaped (or circular) floating body can be engraved along the circumference with a laser, etc. Then, cooperate with the laser leveling instrument, etc., adjust the ring-shaped precision limit guide rail and the limit wheel horizontally and fix them on the outer wall of the floating body; then continue to add liquid to make the floating body generate greater buoyancy, so that it can withstand loads The workpiece will not settle when it is under load and pressure; then rotate the floating body, and use milling, milling, grinding and other processing techniques to manufacture a super-large, super-long, super-flat, continuous bearing motion table that is located on the upper plane of the floating body and performs circular rotation.

The invention discloses an aluminum-clad steel pressure die, which comprises: a pressure die head, a pressure die core, and a pressure die cover; a groove is arranged in the pressure die head; In the groove; the pressure mold cover is provided with a pressure mold; the pressure mold cover is embedded with a pressure mold core that runs through the entire pressure mold cover; the pressure mold core is formed by at least 3 hard alloys at one time; the pressure The die head is made of heat-resistant steel, which can effectively prevent high-temperature deformation, prolong the service life and improve wear resistance; the pressure die core is made of multiple hard alloys at one time, which greatly improves the wear resistance and produces stable pressure during operation. Pressure, increase production speed, reduce mold change frequency.

The invention discloses a radiation refrigeration metal plate, which is formed by compounding a radiation refrigeration film and a metal base material plate through a special process and radiates energy outwards in the form of infrared electromagnetic waves, and a production process of the radiation refrigeration metal plate is disclosed. The process comprises the steps of uncoiling, pretreatment,gluing, oven drying, film coating, plate surface cooling, protective film coating and coiling curing. The radiation refrigeration metal plate is formed by compounding the high-tech radiation refrigeration film and a metal substrate through a special process, the energy consumption is low, and energy is radiated outwards in an infrared electromagnetic wave mode, so that the refrigerating and cooling effects are achieved, the maximum radiation refrigeration power can reach 93W/m<2> under the direct irradiation of sunshine at noon, according to the production process, the temperature of an object in contact with the radiation refrigeration metal plate can be reduced by 10-16DEG C, high-temperature deformation is effectively prevented, the structural stability is improved, the decorative effect is good, the service life is long, the cold-chain container refrigeration effect is good after application of the radiation refrigeration metal plate, and the production process cleans the plate thoroughly, and is stable in film coating and high in performance.

The invention relates to titanium alloy part grinding equipment and a grinding method. The titanium alloy part grinding equipment comprises an industrial robot; a grinding tail end tool, wherein the grinding tail end tool is connected with the execution end of the industrial robot, the industrial robot drives the grinding tail end tool to move freely in the working space, and the grinding tail end tool is used for grinding titanium alloy parts; a grinding working platform, wherein the grinding working platform is used for fixing the titanium alloy parts and is matched with the grinding tail end tool to move to grind the titanium alloy parts; an automatic abrasive paper replacing module, wherein the automatic abrasive paper replacing module is matched with the grinding tail end tool to replace waste abrasive paper on the grinding tail end tool with new abrasive paper; and an electric control system, wherein the electric control system is electrically connected with the industrial robot, the grinding tail end tool, the grinding working platform and the automatic abrasive paper replacing module, and all the components are integrally controlled to act. By means of the titanium alloy part grinding equipment and a grinding method, the titanium alloy parts are automatically polished, and the production efficiency is improved.