Multifunctional rapid wood-drying kiln

The utility model relates to a multifunctional rapid wood-drying kiln which relates to a wood-drying kiln. The purpose of the utility model is to provide a drying kiln which can dry wood with high drying difficulty. The multifunctional rapid wood-drying kiln is composed of a kiln body, a thermal diffusion furnace, an air inlet passage and an air outlet passage, wherein a transverse air pipe and an air outlet are arranged in the kiln body. The top of the kiln is provided with a blower fan; an infrared heater and a sterilization device are also arranged in the kiln; a water tank is installed in the thermal diffusion furnace. The drying kiln is designed by integrating steam wood-drying method, furnace gas wood-drying method, infrared wood-drying method, etc., and is capable of rapidly drying wood difficult to dry; the thermal consumption is low; the whole temperature difference of dried wood is little. The utility model prevents end split, surface split, internal split, deformation, discoloration and mildew of wood in the drying process. The kiln furnace has the advantages of high temperature resistance, high moisture resistance, biological acid and alkaloid resistance, flame retardance, sterilization, reasonable layout, low input cost and easy operation.