21results about How to "Improve annealing efficiency" patented technology

The invention relates to the technical field of annealing furnaces, in particular to a swirl injection type energy-saving annealing furnace. The device comprises outer shell plates and an air duct, the outer shell plates are spliced to form a hearth, the air duct is arranged in the outer shell plates to form an air path for convective circulation, the air duct is connected with a circulating fan, and air in the air duct and an inner cavity of the hearth is driven by the circulating fan to actively convectively circulate. The air direction of air convection circulation of the air channel faces the side face and the lower portion of the workpiece needing annealing, and a heat preservation layer is attached to the inner surface of the outer shell plate. The shell plate is used for supporting a main body structure of the furnace body, the air duct is used for achieving circulation convection of air flow, the annealing efficiency and the annealing quality of the metal coiled materials are improved through circulation convection of high-temperature air flow, the heat preservation layer is used for storing internal heat, reducing energy leakage and effectively reducing loss, and the circulation fan is used for providing power for circulation convection of the air flow.

The present invention relates to the technical field of glassware annealing, and in particular to an annealing device for glassware production, comprising a conveyor frame, a hollow conveyor belt is provided inside the upper end of the conveyor frame, the inner wall of the hollow conveyor belt is a symmetrical structure with two conveyor rollers for friction transmission, a stepper motor is installed on the outer wall of the conveyor frame through a mounting seat, the output shaft of the stepper motor is coaxially connected to one of the conveyor rollers, and two gantry frames are fixedly connected on the conveyor frame in a symmetrical structure, an annealing assembly is provided inside the gantry frame, both sides of the top surface of the conveyor frame, and both ends of the conveyor frame, and a shunt block is provided on the annealing assembly, a vortex tube is installed on the shunt block, and the cold air outlet end of the vortex tube is connected to the inside of the shunt block. The height of the annealing assembly is adjusted according to actual needs to adapt to glassware of different specifications or batches, thereby improving the accuracy of annealing and ensuring that each glassware can be properly annealed, thereby improving the quality and stability of the product.

This invention relates to a method for preventing edge overflow and bending of steel coils in a bell-type annealing furnace. When stacking steel coils, a double-ring convection system consisting of an inner and outer convection ring is placed between the upper and lower coils. Both the inner and outer convection rings consist of a ring body and multiple fan-shaped blocks evenly distributed circumferentially on the ring body. The upper and lower surfaces of the fan-shaped blocks protrude beyond the ring body and are planar. The inner and outer convection rings are coaxially arranged. The dimensions of the inner and outer convection rings are determined according to the specific location and width of the overflow edge on the steel coil, ensuring that both the inner and outer convection rings contact the flat end face of the steel coil in the area without an overflow edge. By using the inner and outer convection rings in combination to replace the existing integral convection plate structure, steel coils can be stacked and arranged in a bell-type furnace without completely avoiding the overflow edge, thereby eliminating the bending phenomenon at the overflow edge.

The present invention provides a hood-type bright annealing furnace for improving annealing efficiency, which includes a base, a furnace table, an inner cover, and an outer cover. The furnace table is fixedly installed on the base, and a through hole for the furnace table to be installed is opened on the base. The coil is placed on the top of the furnace table. The inner cover is arranged outside the coil and installed on the furnace table. The furnace table heats the outside of the inner cover. The outer cover is arranged outside the inner cover and installed on the base. A circulating fan for filling protective gas into the inner cover is arranged at the through hole on the base. The outer cover is divided into a heating cover and a cooling cover. The heating cover and the cooling cover are alternately installed on the base. A cooling fan for cooling the inside is arranged on the cooling cover, and a nozzle for cooling the inside is arranged in the cooling cover. The hood-type bright annealing furnace for improving annealing efficiency described in the present invention realizes rapid heating and cooling through the arrangement of the furnace table and the inner cover, and the alternating installation of the heating cover and the cooling cover of the outer cover, thereby improving the annealing efficiency.

The utility model belongs to the technical field of solar cells, and particularly relates to a multi-layer tunnel furnace which comprises a tunnel furnace body, a plurality of layers of conveying chains and a plurality of layers of conveying chains, fixed heating furnace pipe modules are arranged on the two sides of the multi-layer conveying chain respectively, and an exhaust module is arranged at the bottom of the multi-layer conveying chain. One side of the heating furnace pipe module and one side of the exhaust module facing the multi-layer transmission chain are respectively provided with a heating uniform flow plate and an exhaust uniform flow plate, according to the multi-layer tunnel furnace, the multi-layer transmission chain is arranged in the tunnel furnace body, and each transmission chain can be used for conveying perovskite battery pieces, so that the annealing efficiency is greatly improved; meanwhile, in order to enable the perovskite battery pieces on each layer of transmission chain to be annealed uniformly, the heating furnace pipe module and the exhaust module are respectively provided with a heating flow uniformizing plate and an exhaust flow uniformizing plate, so that hot air flow in the tunnel furnace body flows uniformly, and the hot air flow is prevented from being locally concentrated to influence the annealing quality of the perovskite battery pieces.

This utility model discloses a crystal glass annealing and heat preservation device, including an annealing and heat preservation chamber, a door movably connected to one side of the chamber, a support component for placing the crystal glass installed at the bottom of the chamber, and a heater and a temperature sensor fixedly installed on the inner side wall of the chamber. The chamber also includes a ventilation component. A controller is fixedly installed on one side of the chamber, controlling the heater, temperature sensor, and ventilation component. This utility model avoids the excessive local stress accumulation caused by placing the entire crystal glass on a table, reducing the possibility of cracking or deformation due to uneven stress during annealing, improving product yield, ensuring a constant temperature inside the chamber, creating a stable temperature environment for crystal glass annealing, improving annealing effect and product quality, reducing energy consumption, and saving production costs.

The utility model belongs to the technical field of annealing furnaces, and particularly relates to a laminated annealing furnace which comprises an installation box body, a plurality of annealing units are arranged in the installation box body in a stacked mode, and a transmission line is independently arranged in each annealing unit. Wherein a plurality of supporting assemblies are arranged in the mounting box body to support the adjacent annealing units, the plurality of annealing units are stacked in the laminated annealing furnace, and each annealing unit can independently anneal a perovskite solar cell base material, so that the utilization efficiency of a plant in the height direction is effectively improved, and the annealing efficiency is improved.

The utility model relates to the technical field of accessory devices for cable processing, in particular to efficient annealing equipment for cable manufacturing, which can drive a cable to rotate and enable the cable to be heated or cooled uniformly when the cable is heated or cooled after being fixed, so that the annealing efficiency and quality are improved, and the production cost is reduced. Therefore, the practicability of the efficient annealing equipment for cable manufacturing is enhanced. Comprising an annealing furnace, a cooling assembly, a heating assembly and a cover plate, and further comprises a connecting block, a rotating air cylinder, a connecting plate, a two-way screw rod, two sets of first sliding blocks, two sets of first arc-shaped clamping plates and an auxiliary mechanism, a preformed hole is formed in the left side of a working cavity of the annealing furnace, and the connecting block is rotationally connected with the working cavity of the annealing furnace through the preformed hole; the left end of the connecting block is connected with the output end of the right end of the rotating air cylinder, the right end of the connecting block is connected with the left end of the connecting plate, a set of sliding grooves are formed in the right end of the connecting plate, and one end of the two-way screw is rotationally connected with the connecting plate through the sliding grooves.

The invention discloses a preparation method of an amorphous iron core, and belongs to the technical field of amorphous iron cores. The invention discloses a preparation method of an amorphous iron core, which comprises the following preparation steps: (1) winding an iron-based amorphous alloy strip to obtain an amorphous iron core blank; (2) carrying out pre-annealing treatment on the amorphous iron core blank; (3) winding copper strips inside and outside the amorphous iron core blank subjected to pre-annealing treatment, and performing secondary annealing treatment; and (4) putting the amorphous iron core blank subjected to secondary annealing treatment into an insulating adhesive for vacuum impregnation, taking out the amorphous iron core blank, and putting the amorphous iron core blank into a drying oven for drying to obtain the amorphous iron core.

The utility model discloses fastener wire rod spheroidizing annealing mechanism, including annealing furnace and wire rod roll, and the wire rod roll is formed by the wire rod of multiple disc stacking together, still include, rotation axis, rotation axis can drive wire rod roll to spread, increase the contact area with annealing furnace space, transmission assembly can drive multiple rotation axis rotation. The utility model has the beneficial effects that, through rotation axis rotation can drive wire rod roll to spread, increase the contact area with annealing furnace space, avoid the material to produce greater temperature difference, improve annealing efficiency's simultaneously, make the grain refinement of material more stable, uniform.

The application relates to an annealing device and method of crystals, and belongs to the technical field of crystal production. The annealing device comprises: an annealing crucible for placing a plurality of crystals to be annealed, a graphite felt is coaxially arranged at the bottom of the annealing crucible, the plurality of crystals are coaxially placed on the graphite felt from bottom to top, and graphite blocks are arranged between adjacent crystals; a heat preservation layer arranged outside the annealing crucible; an induction coil for heating the annealing crucible; a liftable edge heat preservation sleeve coaxially arranged with the annealing crucible, which can extend into the interior of the annealing crucible to heat preserve the edges of the crystals; and a liftable center heat preservation column coaxially arranged with the annealing crucible, which can extend into the interior of the annealing crucible to heat preserve the center area of the crystals. The device and method can effectively realize the uniform temperature distribution of the crystals in each stage of the annealing process, greatly shorten the annealing time, improve the annealing efficiency and the quality of the crystals after annealing.

The invention belongs to the technical field of semiconductor manufacturing, and relates to a perovskite photovoltaic device and an annealing method, a preparation method and application thereof, and the annealing method comprises the steps: placing the perovskite photovoltaic device on a heating stage, and carrying out the local heating of a to-be-annealed region of the perovskite photovoltaic device through laser, therefore, the perovskite crystal is converted into an optical active phase from a non-optical active phase; wherein the radiation flux density of the laser is determined according to the Stefan-Boltzmann law. The annealing method provided by the invention is particularly suitable for annealing treatment of the perovskite photovoltaic device, the annealing efficiency and the temperature accuracy are improved, selective annealing is realized, and degradation of a perovskite film caused by long-time annealing in air is avoided.

The utility model discloses an annealing furnace for stainless steel tube production, which relates to the technical field of stainless steel tubes and comprises a conveying mechanism, a wastewater recycling mechanism is fixedly mounted at the bottom of the conveying mechanism, an annealing cooling mechanism is arranged at the top of the conveying mechanism, and the wastewater recycling mechanism comprises a water collecting funnel. The water collecting funnel is fixedly mounted at the bottom of the wastewater recycling mechanism, a water pumping hose is fixedly connected to the bottom of the water collecting funnel, a water purifying box is fixedly mounted on the left side of the water collecting funnel, and a water pump is arranged at the top of the water purifying box and fixedly mounted on the left side of the wastewater recycling mechanism. According to the spraying device, the water collecting funnel, the water pumping hose, the water purifying box, the water pump and the water conveying pipe are matched with one another, so that waste water generated by spraying can be collected in a centralized manner and is sprayed and used again after being filtered, the water resource cost generated during spraying is reduced, and meanwhile, the waste water is prevented from polluting the working environment.

The invention relates to the technical field of metal material heat treatment, and discloses a method for improving the performance of a high-strength steel plate through electric field isothermal segmented spheroidizing annealing, which comprises the following steps: selecting a high-carbon martensitic stainless steel cold-rolled plate; fixing in a vacuum furnace, and carrying out radiation preheating to 650-750 DEG C; starting a pulse power supply to cooperate with a radiation field to rapidly heat to 1050-1080 DEG C for austenitizing; the current density is adjusted, air cooling is conducted to 730-760 DEG C, and electric field isothermal spheroidizing annealing is conducted; and finally, cooling to 450-500 DEG C along with the furnace, and then carrying out air cooling. According to the method, carbide dissolution is accelerated through the electromigration effect of pulse current, dispersion and precipitation of fine spherical carbides are promoted through segmented temperature control and an electric field morphological modification mechanism, network carbides are eliminated, the annealing period is obviously shortened, energy consumption is reduced, and the strength, plasticity and corrosion resistance of the steel plate are improved.

A crystal annealing apparatus and method are disclosed. The apparatus includes an annealing mechanism comprising a heating component forming an annealing chamber; a heat-preserving mechanism installed inside the annealing chamber, also having a heat-preserving chamber; a crucible body installed within the heat-preserving chamber; and a silicon carbide powder buffer filling the inner cavity of the crucible body, with multiple crystal accommodating spaces within it. The method involves filling the inner cavity of the crucible body with a silicon carbide powder buffer, and arranging multiple crystals spaced apart within the buffer; placing the crystal annealing apparatus carrying the crucible body in a crystal growth furnace; and annealing the crystal using a temperature gradient heating and staged differential rate cooling process to reduce internal thermal stress in the crystal. Simultaneously, the thermal stability and uniform thermal conductivity of silicon carbide powder buffer the thermal stress generated by temperature changes in the crystal. This invention effectively optimizes crystal stress, improves crystal quality, and effectively solves the technical problems of crystal cracking, stress superposition, high dislocation density, and insufficient purity.

This invention provides a continuous annealing process for high-temperature aerospace tubing. The invention relates to the field of metal heat treatment technology and includes the following steps: S1, placing multiple metal pipes parallel to each other on the top of a shelf with the bend opening facing downwards; S2, moving an annealing trolley through the multiple metal pipes via a notch; S3, controlling a lifting and positioning device and an induction heating device via a drive device to move relative to the bend opening; first, controlling the lifting and positioning device to lift and position the bend opening, then controlling the induction heating device to automatically complete induction heating by passing through the bend along a predetermined trajectory. This invention significantly improves the standardization of annealing operations, increases annealing efficiency, and greatly improves the quality of the annealed product.

The utility model belongs to the technical field of battery production equipment, and particularly relates to an annealing furnace. The utility model provides an annealing system. The annealing system comprises a base; the annealing furnace is arranged on the base, and lifting type mechanical arms suitable for clamping a battery piece base material are arranged on the two sides of the annealing furnace; corresponding door bodies are arranged on the furnace walls of the two sides of the annealing furnace and driven by corresponding driving modules to be opened and closed. Wherein after the door body of the corresponding layer is opened, the lifting type mechanical arm extends into the annealing furnace from the door body position so as to take or place a battery piece base material; according to the utility model, the door bodies are arranged on the two sides of each layer of annealing box, and the driving module is used for controlling the opening and closing of the door bodies, so that the lifting type mechanical arm can respectively take or place materials from the two sides of the annealing furnace at the same time, the time for feeding and discharging materials during annealing is shortened, and the battery annealing efficiency is improved.

A non-ferrous metal local annealing equipment and control method, wherein the local annealing equipment comprises: a furnace body, wherein the furnace body is provided with a hot air circulation airway, a heater and a fan; the hot air circulation airway comprises an upper circulation airway, a lower circulation airway, a heating chamber and a fan chamber; the heater is arranged in the heating chamber, and the fan is arranged in the fan chamber; a container is arranged in the upper circulation airway and close to the furnace cover, and the container is a grille structure for airflow in and out; the furnace cover is covered on the furnace body, and is connected to the container through a height adjustment mechanism, and the furnace cover is provided with a plurality of jacks for passing the workpiece, and a part of the workpiece passes through the furnace cover into the container, and is locally annealed under the action of the heater and the fan. The present invention also includes a control method for a non-ferrous metal local annealing equipment. The present invention can ensure that the instrument temperature control accuracy reaches ±1°C, and the furnace temperature control accuracy reaches ±5°C; and air heating is adopted to avoid environmental pollution and quality problems such as spots that may exist after heating.

The invention belongs to the technical field of metal material machining, and relates to a locking mechanism for metal pipe annealing, an annealing tool and an annealing method. According to the locking mechanism, through the combined design of the neck bush, the lifting mechanism and the adjusting part, the adjusting part is driven by lifting of the lifting mechanism to extend outwards or retract back along the peripheral wall of the neck bush, so that the distance between the adjusting part and the inner wall of the metal pipe is adjusted, and the extending end of the lifting mechanism and the top of the neck bush are locked and fixed; therefore, the locking mechanism and the end of the metal pipe are fixed, it is further guaranteed that the metal pipe is not subjected to size deformation in the annealing process, the straightness and ovality of the pipe are improved, the heat treatment efficiency of the thin-wall metal pipe and the extremely-thin-wall metal pipe is improved, and the pipe yield is increased.

A steel strip coil needing to be annealed is placed in a furnace pipe, the furnace pipe is arranged in an outer cover, and the outer cover is provided with a water cooling pipe; the spiral heating wire is arranged between the furnace pipe and the outer cover, the outer wall of the furnace pipe is movably sleeved with the spiral heating wire, and the upper end of the spiral heating wire is connected with the lifting module; the lifting module comprises a driving motor, a gear, a rack, a connecting rod and a suspender, the driving motor is arranged on the circumferential outer wall surface of the outer cover, an output shaft of the driving motor is fixedly connected with the gear, the gear is meshed with the rack, the rack is vertically arranged, the upper end of the rack is connected with one end of the connecting rod, and the other end of the connecting rod is connected with the upper end of the suspender; the lower end of the suspender penetrates through the top plate of the outer cover and then is connected with the upper end of the spiral heating wire. The all-hydrogen bell-type annealing furnace solves the problems that when an existing bell-type annealing furnace conducts annealing every time, switching between a heating cover and a cooling cover is needed, operation is tedious, and the annealing efficiency is affected.

The utility model belongs to the technical field of annealing furnaces, and particularly relates to a flower basket type tunnel furnace, which comprises a tunnel furnace body, a furnace body, a furnace cover and a furnace cover, a feeding end and a receiving end of the basket rotating assembly line are respectively positioned at an inlet and an outlet of the tunnel furnace body, and form a conveying loop with the conveying line in the tunnel furnace body; the flower basket is arranged on the conveying loop and is used for bearing the battery pieces; wherein a rotating machine is arranged at the material receiving end of the flower basket rotating assembly line; when the flower basket is located at the feeding end, the opening of the flower basket is opposite to the tunnel furnace body so as to receive the battery pieces conveyed by the feeding elevator; according to the flower basket type tunnel furnace, the flower basket is arranged, so that the tunnel furnace body can receive a plurality of battery pieces at a time, the annealing efficiency is improved, meanwhile, due to the fact that the flower basket is conveyed by the conveying loop, the annealing efficiency is improved, and the annealing efficiency is improved. Damage of the battery piece in the conveying process can be reduced.