Pasargad 3, 4 and 5-wall single-purpose grilled charcoal kilns are designed and arranged for grilled charcoal manufacturers and have the ability to produce grilled charcoal in just a few hours. This high-power, high-pressure coal stove produces the best coal without sparking. Grilled charcoal is coarse and without soil. The one-purpose grilled charcoal stove has the ability to turn small sticks to tree trunks into charcoal at the same time, which is important for producers. One of the important features of a single-purpose grilled charcoal kiln is that it is smoke-free, which is considered environmentally friendly by the practice of vinegar and filtering.