SUN Xian-binXi'an Thermal Power Research Institute Co Ltd. SCALING-UP CHARACTERS AND COMPACT DESIGN OF CFB BOILERS[J]. Thermal power generation, 2009, 38(3): 1-4.
DOI:
SUN Xian-binXi'an Thermal Power Research Institute Co Ltd. SCALING-UP CHARACTERS AND COMPACT DESIGN OF CFB BOILERS[J]. Thermal power generation, 2009, 38(3): 1-4. DOI: 10.19666/j.rlfd.2009.03.001.
SCALING-UP CHARACTERS AND COMPACT DESIGN OF CFB BOILERS
The scaling-up characters are important technical problems for large-capacity circulating fluidized bed(CFB) boilers
the basic principle of scaling-up design for CFB boilers and the calculation formula for effective height of the furnace have been studied and put forward.In scaling-up design of the furnace
it is required to investigate the characters of internal process in the furnace
such as the penetrability of secondary air
the diffusive uniformity of feeding coal and circulating ash
and the flow stability of gas-solids etc.
the key technologies of scaling-up design for CFB boilers have been analysed.Through test on practical CFB boilers and numerical simulation
the scaling-up design of CFB boilers can be conducted
and the most economic structural size with optimal performance of boiler can be determined.The compact design is an important tendency of large-capacity CFB boilers
the compact design method for key components
i.e.external heat exchanger and cyclone separator etc.