Intensive vehicle body drying system and drying method

The invention discloses an intensive vehicle body drying system and drying method, and aims at overcoming the defects that a vehicle body drying room is poor in length, large in occupied area, low in heat energy utilization rate, large in power consumption and low in working efficiency. The intensive vehicle body drying system comprises a drying room, a conveying ground chain, an input conveying mechanism and an output conveying mechanism, the drying room is provided with an input port and an output port, and type shifting mechanisms are installed on the portion between the input port and the input conveying mechanism and on the portion between the output port and the output conveying mechanism outside the drying room respectively; and each type shifting mechanism comprises a type shifting frame, a steering supporting column, a front-end sliding rail and a rear-end sliding rail, wherein the steering supporting column is rotatably connected to the lower end of the type shifting frame, multiple wheel rollers wh