power station boiler >50-1000MW > CFBC, AFBC, DHL >Biomass,coal,oil >Low emission and high efficiency
High efficiency power station boiler
1) Design standard and selection scheme of main and auxiliary equipment of boiler island
The scope of supply for each unit is as follows (taking CFB boiler island project as an example): | ||
S.N. | System | Main equipment |
1 | Boiler proper | Steam drum, air heater, soot blower, refractory material, cyclone separator, air preheater |
2 | Coal feeding system | Coal silo, coal feeder, coal chute |
3 | Limestone system | Limestone silo, rotary feeder, bellows, limestone pipeline |
4 | Startup bed material system | Bed material silo, bucket elevator, bed material pipeline |
5 | Air/gas system | Primary air fan, secondary air fan, induced draft fan, high-pressure fluidized air fan, air fan motor, fan silencer, air/gas duct |
6 | Oil firing system | Start-up burner, high-energy igniter, oil pipe, filter |
7 | Dedusting system | Bag dust collector |
8 | Desulphurization system | Absorption tower, process water tank, booster fan, limestone slurry tank, filtrate tank |
9 | Denitration system | Reactor, pressure-stabilizing trough, ammonia evaporator, ammonia mixer, dilution fan |
Remark: All the systems and equipment listed in the table include three parts, i.e. mechanical, I&C, and electrical parts. | ||
2) The Series of our Utility Boilers.
3) Arrangement drawing of boiler island system is as follows:
4) Environmental protection products for power plants
Air Preheater (APH):1. Adopted highly modular design scheme2. Designed with perfect air leakage control measures3. Reliability of equipment is at the leading position in China.4. Advanced research and development capability for the corrugation of heat exchange element for air preheater5. Pioneering in the denitration field6. First-class operation achievements of quad-sector air preheater for CFB boilerGas gas heater (GGH):
1. Reliable performance,,low resistance with certain margin of heat exchange2. Convenient installation and maintenance, reliable operation.3. Low equipment leakage, varied control means.4. Various selections of element's corrugation plate, ash clogging resistance, easy cleaning.5. Long service life.6. Complete cleaning equipment.7. Complete whole-setHigh-temperature air preheater (HAP):1. One only set of firing system needed.2. Compact arrangement, continuous heat exchange.3. Favorable for keeping furnace temperature and pressure constant .4. Low temperature fluctuation at heating elements, long life.5. Favorable for improving quality of processed products.6. Exhaust emission temperature lower than 200°C possible.7.Reliable operation and convenient maintenance.
KEYWORDS: UTILITY BOILER / POWER STATION BOILER / BOILER FOR STEAM GENERATOR / STEAM BOILER POWER STATION BOILER / STEAM BOILER GENERATING ELECTRICITY / POWER PLANT BOILER / HIGH PRESSURE STEAM BOILER
High efficiency power station boiler
