Coal-fired boilers are actually a backbone of business and power generation sectors for upwards of a century. Despite growing interest in renewable energy, coal-fired systems carry on and play an important role in many countries because of their ability to produce a lot of energy at relatively inexpensive. https://martinynco15926.dailyblogzz.com/37079275/understanding-coal-fired-boilers-how-they-work-benefits-and-environmental-impact