5results about How to "Improve annealing efficiency" patented technology

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 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 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.