Turn-around heat treatment temperature gradient control method, device and equipment

The invention provides a U-turn heat treatment temperature gradient control method, device and equipment, and relates to the technical field of heat treatment.The method comprises the steps that heat treatment process parameters in a furnace and process parameters of an auxiliary heating component outside the furnace are obtained; performing a simulation test according to the in-furnace partial heat treatment process parameters and the process parameters of the out-furnace auxiliary heating component to obtain a process operation curve of the out-furnace auxiliary heating component; according to the preset position of the simulation auxiliary heating component in the simulation test, setting an out-of-furnace auxiliary heating component, wherein the structure of the simulation auxiliary heating component is the same as that of the out-of-furnace auxiliary heating component; and controlling the in-furnace part to perform heat treatment operation according to the heat treatment process parameters of the in-furn