Main parameters of optimum combustion control for circulating fluidized bed （FCB） boilers have been presented

and optimum combution control of 75 t/h CFB boilers in a power plant being carried out. Practice shows that

under present operation level of many domestic CFB boilers

through optimum combustion control

the stability of boiler operation can obviously be improved in a comparatively large range

solving or relaxing troublesome problems

such as low boiler thermal efficiency

short operating period

bad operating stability

high specific electric energy consuption of auxiliary equipments

and serious boiler abrasion etc.

having remarkable economic benefits.