Why Choose Coal As Fuel For Power Plant
A. Coal Resource
Coal, the second source of primary energy (roughly 30%), is mostly used for power generation. Coal dominates the global energy arena due to its abundance, affordability and wide distribution across the world. Coal, when properly handled and combusted, is one of the cleanest fossil fuels available today.
B. Advantages

Security of supply


Lower cost

Coal power plants provide stable and large-scale electricity generation. Of the Earth's fossil fuels, coal is the most abundant and widely dispersed, meaning that supplies are readily available.
Coal power has a competitive production cost. Fuel costs are low and coal markets are well-functioning.
compared to other sources of fuel, coal is stable, abundant, affordable, and easy to transport, store. Coal produces high energy when burned, hence cost is lower.
How Coal Power Plants Produce Electricity

The conversion from coal to electricity takes place in three stages.

The first conversion of energy takes place in the boiler. Coal is burnt in the boiler furnace to produce heat. Carbon in the coal and Oxygen in the air combine to produce Carbon Dioxide and heat.
The heat from combustion of the coal boils water in the boiler to produce steam.
The steam is then piped to a turbine, the impulse and thrust created rotates the turbine.
The steam is then condensed and pumped back into the boiler to repeat the cycle.
In the third stage, rotation of the turbine rotates the generator rotor to produce electricity based of Faraday’s Principle of electromagnetic induction.
ZBG Coal Fired Power Plant Boiler
Coal fired corner tube boiler
Coal fired CFB power plant boiler
Capacity:10-160 tons
Corner tube power plant boiler adopts GEF program's technology. Based on the domestic and foreign technical research, according to the technical development characteristics and market demand of chain grate, we carried out independent innovative design so as to produce the high-capacity energy-saving chain grate boilers with advantages of reliable water cycling, efficient burning and low pollution.
Corner tube type and self load bearing structure to solve the problems of expansion and support;
Full welding membrane water wall structure, good sealing, small heat loss;
Adopt cross beam type grate, the operation resistance is small, the failure rate is low;
layer combustion + suspension combustion", high efficiency.
Capacity:35-410 tons
Circulating fluidized bed boiler is the heat equipment used mainly in the western development, using this technology can make S02 and N0x coal-fired power plant boiler flue gas concentration of harmful gas is reduced by 80% ~ 90%, can effectively reduce coal-fired power generation for the atmospheric pollution of the environment.
Furnace and secondary air: make combustible materials burn out in the furnace;
superheater: avoid high temperature superheater ash deposition, reduce the high temperature corrosion;
Low pressure operation, low flow speed of flue gas, low density of materials in the furnace;
Annual operating time longer than 8000 hours.
ZBG Coal Power Plant Boiler Advantages
  • Secondary-air
    optimization layout
    Optimized secondary air layout can improve the grade of air blowing, which can not only strengthen the oxidation zone burnout and reduction zone hypoxia sub-low NOx combustion effect, but also inhibit the temperature to achieve low nitrogen and high efficiency.
  • Flue gas recycling
    The flue gas recovery technology, an air oxygen content to reduce the use of 17% to 19%, keep the fluidized state, and further promote and enhance combustion furnace fly ash circulation grading furnace, the beneficial effect of low nitrogen efficient desulfurization process.
  • Measurement and
    control system
    Through the accurate measurement of flow can achieve the following objectives and effects: the secondary air volume can be accurately measured and combustion stage can be precisely controlled; keep the unit running at low nitrogen state at any time; achieve the synergistic control of nitrogen oxide boiler combustion efficiency.
Coal Fired Power Plant Boiler Projects
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