It is ok to clean the rice grains on the contact surface between the heating plate and the inner liner. If you want to forcibly remove the heating disk, the sequence is as follows.
1. Remove the bottom screw.
2. Pry open the rice cooker chassis and upper part with a flat-head screwdriver.
3. After separating, remove the fixing screws in the heating disc and the inner liner wall, and take out the heating disc.
Remove the screw from the bottom of Midea rice cooker and clean it with alkali and water