HCO series of coal/biomass fired thermal oil boilers use coal or biomass as the fuel and heat oil as the medium, and force the medium to carry out liquid phase circulation by the circulating oil pump. The boiler consists of the upper body and the lower grate. The radiation heat transfer section of the boiler body adopts the double square shaped compact coil structure, the convection heat transfer section adopts the S shape multiple passes heat transfer. A high efficiency air preheater is equipped at the tail of the boiler, it can absorb heat and reduce exhaust gas temperature. After the fuel is fully burned in the combustion chamber, most of the heat is absorbed by the radiation heating-surface, the high temperature flue gas enters the convection heating surface and transfer the heat. After it comes out of the boiler, the air that is needed by boiler combustion is heated in the air preheater. Then it passes the dust collector and is drawn by the I.D. fan to be discharged into the atmosphere through the chimney.
35 YEARS BOILER PRODUCTION EXPERIENCE
Large combustion chamber with sufficient output.
Combustion chamber adopts large diameter dense coils, has enough fuel combustion space and sufficient heat output.
Special grate design with wide fuel applicability.
Automatic chain grate with long working life, and can be customized based on customers’ requirements about the fuel.
High quality circulating oil pump with long life.
Adopt high-temperature and corrosion-resistance circulating oil pump, which can run steadily for a long time without leakage.
Low exhaust gas temperature, high thermal efficiency.
Equipped with economizer to make full use of the flue gas heat, improve thermal efficiency and decrease exhaust gas temperature.
Special thermal insulation material for less heat loss.
Adopt special thermal insulation layer-aluminum silicate board for the boiler heat preservation to decrease the boiler heat loss.