How big is the water tank coal briquette?
22 centimeters. According to the data of the water tank coal stove, the coal ball size of the water tank coal stove is 22 cm. Coal cake is a small ball made of pulverized coal, water and loess in a certain proportion. It can be stored for a long time after drying. It is the main fuel for cooking and heating in rural areas, mostly black and gray.