34results about How to "Achieve annealing" patented technology

The invention discloses a continuous coating production system of sheet substrates. The continuous coating production system comprises a feeding area, a working area and a discharge area, all of which are orderly communicated with each other; the feeding area comprises a sheet feeding table; the working area comprises a plurality of pre-vacuumizing chambers, a first transition chamber, a coating deposition chamber, a quick atmosphere annealing chamber and a plurality of pre-vacuumizing chambers orderly in the coating process flow direction; the discharge area comprises a discharge table; each chamber of the working area is provided with the desired vacuum environment. The continuous coating production system further comprises a transporting device capable of realizing linear transmission; the transporting device penetrates through the whole feeding area, the working area and the discharge area. The continuous coating system has the advantages that the regional continuous film deposition and annealing of a one-layer or multi-layer composite film containing a hot color coating material in the same production line are realized, the production efficiency is obviously improved, and meanwhile, the material loss cost of the material in the off-line annealing process after coating is reduced. Due to unique structural design of the system, the problem of tempering stress loss can be obviously solved; the stress of the tempered glass based smart glass produced by the system is up to the stress standard of the national building energy-saving safety glass, namely greater than or equal to 90Mpa.

The invention discloses a method and a device for performing inert gas protective cover type annealing on cold-rolled titanium strip coils, and belongs to the technical field of nonferrous metallurgy. The annealing method comprises the following steps of: pressure adjustment, feeding and exhausting, nitrogen displacement, heating and annealing, cooling and discharging. The device comprises a cover type annealing furnace (1), a nitrogen supply device (2) and an argon supply device (3), wherein the nitrogen supply device (2) is communicated with the inner cover of the cover type annealing furnace (1); and the argon supply device (3) is communicated with the inner cover of the cover type annealing furnace (1). Based on the common full hydrogen or nitrogen-hydrogen annealing furnace, the argon supply device is additionally arranged, so that different annealing requirements of the common full hydrogen or nitrogen-hydrogen annealing furnace for cold-rolled steel strips and titanium strip coils are met; and the device has the advantages of high efficiency, process stability, convenience for transformation, multiple purposes and high reliability.

The invention discloses a thermal treatment device and a thermal treatment technology of an ultra-long aluminum extrusion, and belongs to the technical field of material processing. The thermal treatment device comprises a heating furnace, a quenching water well, a feeding and discharge rail, a feeding trolley, a discharge trolley, a lifting device and a material basket, wherein a furnace body isan ultra-long horizontal furnace composed of a plurality of regions of which the temperature is independently controlled; and a product is horizontally stacked in the material basket, and enters the furnace body or the quenching water well through the feeding trolley, the discharge trolley and the lifting device to be subjected to thermal treatment. According to the thermal treatment device and the thermal treatment technology, horizontal furnace horizontal heating and inclined descend soaking quenching technologies are adopted to replace traditional vertical quenching and roller hearth type quenching technologies, the quenching cooling speed is high and uniform, quenching deformation of the product is low, surface quality is good, and performance is uniform; solid-solution quenching, annealing and ageing functions can be achieved, production scheduling is flexible, length of a biggest product of thermal treatment is large, charge batch is large, production efficiency and heat utilization rate are high, and operation is safe and reliable; and besides, deep well, heat-resistant roller, spraying devices, and the like are not required, basic requirements on equipment are low, and investment is low.

The invention relates to the field of cable equipment and particularly relates to small copper wire drawing equipment for a cable. The equipment comprises a machine body, a wire-releasing device, a wire-drawing device, a tensioning device, an annealing device and a take-up device, wherein the wire-releasing device is positioned on the left side of the machine body, the wire-drawing device is positioned in the middle part of the machine body, the tensioning device is positioned on the right side of the wire-drawing device, the annealing device is positioned on the right side of the tensioning device, and the take-up device is positioned on the right side of the annealing device. The small copper wire drawing equipment for the cable provided by the invention can realize a full course of automatic wire release, drawing, take-up and etc. of a copper wire, and is simple in structure and high in degree of automation.

The present invention discloses a silicon carbide single crystal growth device and method, the silicon carbide single crystal growth device comprises a container body, a heat preservation layer is arranged in the container body, an induction coil is arranged on the periphery of the container body or the periphery of the heat preservation layer, a material bearing crucible is arranged in the thermal insulation layer and is used for placing a silicon carbide raw material, a heating body is located in the heat preservation layer and arranged around the material bearing crucible, and a temperatureadjusting device is used for adjusting the temperature gradient in the material bearing crucible. The internal stress of the crystal can be reduced, and the quality of the crystal is improved.

The invention relates to equipment for producing steel wires, in particular to a thermal treatment furnace for carrying out continuous heating and cooling circulation on steel wires. According to the technical scheme provided by the invention, a heating furnace body and a heating hearth arranged in the heating furnace body are arranged in a heating section; a heating pipe is arranged in the heating hearth; a channel allowing the steel wires to pass through is arranged in the heating pipe; a cooling section is arranged on the heating section; a cooling furnace body and a cooling pipe arranged in the cooling furnace body are arranged in the cooling section; at least two heating pipes are provided, the cooling pipes are arranged horizontally, and the corresponding cooling pipes are communicated with the heating pipes; a cooling casing pipe is arranged outside the cooling pipe; and a cooling channel is formed between the cooling pipe and the cooling casing pipe. The steel wires before entering the heating furnace are preheated by using the heat energy which is acquired by cooling the steel wires in the heating furnace during the lead-out of the high temperature through utilizing forced wind or the thermal treatment furnace is applied to other procedures so as to reduce the waste of the heat energy by fully utilizing the heat energy.

The invention discloses a method for producing crystal bars. The method is characterized in that before online cutting, crystal bars which are treated by a bar picking technology are placed in a high temperature annealing furnace for carrying out annealing; the annealing process mainly comprises the following step: a heating process, a constant temperature process, and a cooling process. The annealing process method of sapphire crystal bars is provided, unified annealing processing is carried out for crystal bars produced by different crystal growths and bar picking technology, residual stress in the crystal bars is eliminated, consistency of the quality of sapphire crystal bars is improved, and posterior wafer processing, and epitaxial yield rate and uniformity are improved.

The invention provides an automatic production line for producing enameled wires. The automatic production line comprises a base, a conveying assembly, an annealing device, a painting device, a baking device, a cooling device, a wire drawing assembly and a control device. A pay-off roller and a take-up roller are movably arranged on the base, the conveying assembly sequentially conveys an enameled wire to the annealing device, the painting device, the baking device, the cooling device and the take-up roller from the pay-off roller, the annealing device conducts annealing processing on the enameled wire, the painting device conducts multi-layer painting processing on the enameled wire, and the baking device conducts evaporation and curing processing on paint liquid of the enameled wire. The cooling box is used for carrying out cooling processing on the enameled wire, the wire drawing assemblies are installed in the heating bin, the annealing bin, the first painting bin, the second painting bin, the baking bin, the evaporation bin, the cooling bin and the cooling bin correspondingly, and the control device controls the pay-off roller, the take-up roller, the conveying assembly, the annealing device, the painting device, the baking device and the cooling device to work normally. The automation degree and the production efficiency are high.

The invention discloses continuous-drawing and continuous-annealing wire and cable integrated production equipment, and relates to the technical field of cable production. The equipment comprises a pay-off rack, a wire drawing mechanism, a water tank, a take-up rack, a water pump, an annealing box, a traction frame, an annealing cavity, a liquid storage cavity, a first annealing roller, a second annealing roller, a first liquid conveying pipe, a second liquid conveying pipe, a return pipe, a first through groove and a second through groove. According to the invention, the annealing box and thetraction frame are both arranged at the top of the water tank, so that the occupied area of the equipment can be effectively reduced, and the production cost is reduced; cooling water in the liquid storage cavity can cool the annealing cavity, so that the annealing treatment on the cable is realized; the cable reciprocates up and down in the annealing cavity, so that the stroke of the cable in the annealing cavity is longer, and the annealing effect is better; and the cooling efficiency of the cable in contact with the first annealing roller and the second annealing roller is higher than thatof the cable in other positions in the annealing cavity, gradual annealing treatment on the cable is formed, and the annealing effect is better.

The invention relates to a laser annealing method of a power device, in the annealing process, short-wavelength laser and long-wavelength laser are used for annealing activation, the wavelength rangeof the short-wavelength laser is 300nm to 560nm, and the wavelength range of the long-wavelength laser is 780nm to 1064nm; by selecting laser mixed configurations with different wavelengths for use, ion annealing in different melting ranges and impurity distribution depth ranges and implantation annealing of multiple layers of impurity ions are realized, and meanwhile, the laser mixed configurations with proper wavelengths are selected for use by comprehensively considering the temperature resistance and fragment resistance of different types of wafers; therefore, shallow surface activation under different thermal budget conditions is realized. The invention provides the laser annealing method and a laser annealing system for the power device, which control impurity activation efficiency and impurity distribution by using laser annealing and avoid the technical problem of fragments caused by heat accumulation due to overhigh temperature in the laser annealing process.

The invention relates to the field of nitrogen oxidation equipment, and discloses a nitrogen oxidation furnace. The nitrogen oxidation furnace comprises a furnace body, wherein the furnace body comprises an outer shell, an inner shell and an air guide barrel, a furnace door is arranged on the outer shell, the inner shell is arranged in the outer shell, the air guide barrel is arranged in the inner shell, a material frame support is arranged in the inner shell and extends into the air guide barrel, a heating pipe is arranged in the outer shell, and the heating pipe is arranged in the inner shell. A steam evaporation pipe is arranged in the inner shell, a draught fan is arranged on the outer side of the air guide barrel, and steam enters the air guide barrel through the draught fan. The furnace has the beneficial effects that one furnace can be used for multiple purposes; an additional heating device does not need to be configured; forced cooling of the die workpiece subjected to nitriding oxidation treatment in the furnace body is achieved, meanwhile, the cooling speed of the die workpiece is increased, and the requirement standard of the die workpiece can be met; the nitrogen oxidation furnace is space-saving and convenient to operate, and workpiece in-out furnace efficiency can be effectively improved.

A vacuum local heat treatment device for shaft workpieces comprises a temperature display device and an electric induction high-frequency heating machine arranged on a workbench. A containing cavity is formed in the protection cover shell and used for containing the shaft workpiece needing to be heated; the vacuum generator assembly is connected with the protective cover shell and used for vacuumizing the containing cavity of the protective cover shell; the temperature sensor is used for sensing the temperature of the accommodating cavity and is connected with the temperature display device; the quenching tank is arranged at the position close to the workbench; an annular groove is formed in the lower portion of the protective cover shell, and a cooling medium is contained in the annular groove. And an induction coil of the electric induction high-frequency heating machine is sleeved on the upper part of the protective housing. The heat treatment device provided by the invention can be used for creating a vacuum environment during local heating of shafts and displaying the temperature of a heating section, so that a non-heating section is protected during local heating of the shaft workpieces, and the heating section does not generate oxide skin by utilizing the vacuum environment.

The invention discloses a cooling device and an annealing furnace, and belongs to the technical field of battery piece production. The cooling device comprises at least one condenser, an inner shell and an axial flow fan used for sucking air, wherein the condenser is mounted at an upper end opening of the inner shell to be connected with the upper end opening of the inner shell; the axial flow fanis mounted below the inner shell and communicates with a lower end opening of the inner shell; the condenser is located below a furnace body and forms a furnace cavity together with the side walls and the upper wall of the furnace body; and after the axial flow fan runs, hot air in the furnace cavity is downwards sucked through the inner shell. The condenser is arranged at the lower end of the furnace body to form a water-cooling circulation structure of the furnace body, and the axial flow fan is arranged below the condenser, so that stable cooling of the closed cavity is realized, and the temperature is prevented from being increased or reduced sharply to damage a to-be-machined part.

The invention discloses an annealing furnace for production of pharmaceutical glass bottles, comprising an outer casing, falling conveyor belts, a conveyor-belt fixing plate and a feeding motor, wherein the outer walls of the two sides of the outer casing are each fixed obliquely equipped with two falling motors, and the power output ends of the falling motors are fixedly mounted in the outer casing; the power output ends of the falling motors are fixedly equipped with falling drums, and the exteriors of the falling drums are movably sleeved by the falling conveyor belts; the outer surfaces ofthe falling conveyor belts are fixedly connected with punties; and the outer wall of one side of the outer casing is fixedly provided with a liquefied gas tank, the top of the liquefied gas tank is fixedly equipped with gas combustion nozzles via pipes, and the gas combustion nozzles are fixedly arranged at the inner walls of two sides of the outer casing. According to the invention, a method ofvertical annealing is adopted, during a falling process, the temperature of glass is gradually reduced, so that annealing is achieved, at the same time, the land occupation area of the annealing furnace is saved, and the processing process for annealing glass products in a small space is realized.

The invention relates to a salt bath heat treatment molten salt device and a control method thereof. The control method comprises the steps that a molten salt device body is arranged on the salt bath heat treatment molten salt device; the molten salt device body is heated when being used for quenching, and molten salt is contained in the molten salt device body; a lifting basket is arranged in the molten salt device body in the preset axis direction; during quenching, the basket is immersed in the molten salt; a heating device is arranged on the outer side of the molten salt device in the preset direction of the molten salt device; the heating device is used for heating heat treatment material in the molten salt; a cold quenching device is arranged on one side of the molten salt device; and a main control device controls the temperature and heating time of the molten salt device, after the heat treatment material is heated, the heat treatment material is moved into the cold quenching device to be quenched, or the main control device controls the temperature and heating time of the molten salt device, and the heat treatment material is annealed. According to the salt bath heat treatment molten salt device and the control method thereof, the functions of annealing and quenching are achieved at the same time, and the heat treatment process can be automatically carried out without manual intervention, so that the purposes of improving efficiency and saving cost are achieved.