Multi-channel combined type air heater

The utility model discloses a multi-channel combined type air heater, which relates to the technical field of air heaters and comprises a base, a supporting column is arranged at the upper end of the base, an air heater body is fixedly connected to the upper end of the supporting column, a protection assembly is arranged on one side of the air heater body, and adjusting assemblies are respectively arranged on the edges of the base. A positioning hole is formed in the upper end of the base, the positioning column is aligned to the positioning hole, the positioning column is inserted into the positioning hole, then the first bolt is tightened, the first bolt is in threaded connection with the positioning column, and therefore the positioning column can be fastened in the positioning hole. When the air heater is used, only the first bolt needs to be tightened, and the baffle is arranged and can reduce impact of the air heater body in the vertical direction. 本实用新型公开了一种多通道复合式空气加热器，涉及空气加热器技术领域，包括底座，底座的上端设置有支撑柱，支撑柱的