In almost all industrial processes, more than half of the input energy is turned into waste heat.

Coal, the second source of primary energy (roughly 30%), while coal boilers are commonly used to heat water and create steam for energy production and power generation.

ZBG biomass boiler has several types. Its design can burn biomass fuels such as rice husk, wood, bagasse, straw, sawdust, sunflower shells, as well as low calorific value coal.

Oil & Gas contain diesel oil, furnace oil, heavy oil, light oil, waste oil, city gas, coke oven, natural gas, biogas, LPG and so on.