The furnace adopts double-flow heat exchange mode, using liquefied gas or natural gas as fuel, adopting the mature imported gas burner on the market, the output hot air is dry and hot air, and the temperature is conveniently adjusted between 60~240 °C. Precision. This furnace is widely used in the drying and baking of seeds, peanuts, almonds, pecans, pistachios, pecans and other foods such as tea, aquatic products, medicine, chemicals, plastic coating, building materials, printing and dyeing.