Coal Fired Steam Boiler Advantages 1) Energy efficient: Using renewable biomass energy as fuel, adopting three-return design, low cost of use and 30-60% lower operating cost than fuel (gas); 2) High thermal efficiency: Semi-gasification combined combustion plus tangential swirling air distribution design, low temperature staged combustion, flue gas equipped with waste heat recovery system, burning rate of more than 85%; high-grade glass fiber silk multi-layer insulation, low heat loss, low energy consumption High thermal efficiency 3) Stable and reliable: Micro-negative pressure operation, no tempering and fire removal; 4) Low carbon environmental protection: Low smoke and sulfur and nitrogen emissions, zero carbon dioxide emissions; 5) Simple operation: Adopt automatic feeding, ultra-low material feeding, hopper to increase design, simple operation, small workload, single person on duty； 6) Security: Made of thickened boiler steel, strictly tested by ultrasonic flaw detection; electronically controlled, automatic adjustment of pressure water level, automatic heating and protection against water shortage and overpressure.Coal Fired Steam Boiler website:http://www.jn-boiler.com/coal-fired-boiler/coal-fired-steam-boiler/