FIG. 7A-7B is a schematic diagram of overall installation structures of two structures of the microwave heating section respectively. FIG. 7A corresponds to the schematic structural diagram I of the microwave heating section. FIG. 7B corresponds to the schematic structural diagram II of the microwave heating section.
In the above drawings, 101—waveguide, 102—microwave absorption cavity, 103—material carrying pipeline, 104—material, 105—wave absorbing material, and 106—quartz glass.