We have been manufacturing and exporting steam boiler, thermal oil boiler, and hot water boiler
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We have been manufacturing and exporting steam boiler, thermal oil boiler, and hot water boiler
A step grate boiler is a type of biomass or solid fuel-fired boiler, commonly used for industrial applications where solid fuels like coal, wood chips, or biomass are burned. The key feature of this boiler is its step grate system, which ensures efficient combustion and heat transfer.
Key Features of a Step Grate Boiler:
1. Step Grate Design:
● The grate is divided into multiple steps or tiers, allowing for better control of fuel combustion.
● Fuel moves down the steps due to gravity, with fresh fuel entering at the top and ash exiting at the bottom.
● Each step allows for air distribution and controlled fuel movement, ensuring optimal combustion.
2. Fuel Flexibility:
● Step grate boilers can burn a variety of solid fuels, including coal, biomass, wood chips, and agricultural residues.
3. High Efficiency:
● The staged combustion process provides good control over combustion air, leading to efficient burning and reduced emissions.
4. Robust Construction:
● These boilers are designed to handle different fuel qualities, ensuring durability even with fluctuating fuel characteristics.
5. Applications:
● Step grate boilers are widely used in industries like food processing, paper mills, chemical plants, and power generation, where steam or hot water is needed for production processes.
Advantages:
· Efficient Fuel Combustion: The step grate design ensures thorough combustion with minimal unburned fuel.
· Lower Emissions: Controlled combustion reduces harmful emissions, making it more environmentally friendly.
· Versatile Fuel Use: Can accommodate a range of solid fuels, providing flexibility in fuel sourcing.
Operation Process:
1. Fuel is fed onto the top step of the grate.
2. As it moves downward, the fuel undergoes drying, gasification, and combustion.
3. Primary air is supplied from below the grate, while secondary air can be injected above the fuel bed to enhance combustion.
4. The ash is collected at the bottom of the grate, while hot gases move upward to transfer heat to the boiler tubes.
Step grate boilers are especially useful for industries looking for efficient, flexible, and sustainable solutions for energy generation.
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Bidragon Group is one of the leading boiler suppliers in China. We have been manufacturing and exporting steam boiler, thermal oil boiler, and hot water boiler.
