What is coal briquette

Coal briquettes are solid fuel blocks made by compressing coal powder, coal ash or biomass (such as charcoal, straw, etc.) into a fixed shape. Its production process usually requires the addition of binders (such as starch, clay, etc.) or direct molding through high pressure, and finally makes uniform, high-density fuel blocks that are easy to store and transport.

Main features

• Efficient combustion: high density, regular shape, more complete combustion, and better calorific value utilization than loose coal.
• Environmental protection and emission reduction: reduce coal dust flying and sulfur oxides (SOₓ) and nitrogen oxides (NOₓ) emissions, and lower pollution.
• Waste utilization: use waste resources such as coal powder, coal gangue, charcoal slag, etc. to reduce waste.
• Convenient to use: uniform shape (such as spherical, honeycomb, cylindrical), easy to transport, store and feed.

Common uses

• Home heating: replace loose coal, used in fireplaces and heating stoves.
• Industrial fuel: energy supplement for boilers, metallurgy, ceramics and other industries.
• Barbecue for catering: as a substitute for smokeless charcoal (such as barbecue charcoal balls).
• Environmental protection project: clean fuel promoted by developing countries to replace traditional highly polluting fuels.

Differences from traditional loose coal

Production process

• Raw material crushing: crush coal blocks or waste into fine powder.
• Mixing binder: add binder (such as starch, bentonite) or water.
• High pressure molding: compress into a fixed shape through a coal briquette machine (such as a roller press, hydraulic press).
• Drying and curing: natural drying or drying to enhance hardness.