A microwave preheating device
This utility model disclosed a microwave preheating device, which microwave action cavity is installed on a supporting frame and is connected to a liquid container by welding, which is set in side of the action cavity and its top caver is equipped with 3 armoured thermocouples which insert into the liquid materials, and the top cover is also equipped with aerating pipe and exhausting pipe connected to inside of the liquid container. On side walls of the container ends, there equipped with liquid inlet and outlet that is connected to the liquid container. In the microwave action cavity, a layer of graphite is adhered on the outside of the liquid container. At the bottom of microwave action cavity, a quartz supporting seat is equipped, and quartz sands are fully filled into the space in the action cavity around the quartz supporting seat. Microwave generators are set on the outside wall and bottom outside wall, and connected to the microwave action cavity. At microwave emission positions, cooling devices for the microwave generators are equipped. This utility model employs indirect heating, the microwave power is adjustable, and the preheating temperature can be controlled. Indirect heating liquid materials is quick and energy saving.
Application number: 201020216803.8