▎ 摘　　要

NOVELTY - High thermal conductivity and high-strength composite material comprises 15-20 pt. wt. corundum fine powder specification mixture, 3-7 pt. wt. zirconium diboride with a particle size of 0.005-0.025 mm, 5-8 pt. wt. nano silicon dioxide, 8-10 pt. wt. silicon carbide fine powder with SiC content of more than 98%, 1 to 3 pt. wt. quartz powder, 3-6 pt. wt. graphene, 10-15 pt. wt. alumina fine powder, 3-7 pt. wt. barium metaborate, 5-7 pt. wt. curing agent, 3-5 pt. wt. organic binder, 1-2 pt. wt. composite stabilizer, 5-7 pt. wt. silica sol, 2-5 pt. wt. sodium nitrite, 1-3 pt. wt. iron chloride, 5-8 pt. wt. polar solvent, 5-10 pt. wt. polyamine compound, 1-5 pt. wt. polyether modified silicone oil, 0.2-0.5 pt. wt. explosion-proof fiber, 1-3 pt. wt. modified white clay, 3 pt. wt. pure water, 2-5 pt. wt. calcium carbonate powder, and 8-10 pt. wt. pure calcium aluminate cement. USE - The composite material is useful for flexible improvement of a circulating fluidized bed boiler in thermal power plants. ADVANTAGE - The method solves the problem of poor adaptability of raw materials on the inner wall of the existing fluidized bed. The composite material has excellent adaptability, thermal conductivity and flexibility, and provides fluidized bed boiler having excellent service life, corrosion resistance, heat stability and corrosion resistance. The boiler has improved surface compactness and smoothness, and excellent wear-resistant effect, and high temperature characteristics. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing high thermal conductivity and high-strength composite material for flexible improvement of a circulating fluidized bed boiler comprising (1) start stirring, mixing corundum fine powder specification mixture, nano-silica, quartz powder, explosion-proof fiber, modified white clay, zirconium diboride, graphene, calcium carbonate powder, alumina fine powder, silicon carbide fine powder and pure calcium aluminate cement and stirring for more than 1 hour to obtain main ingredient A, (2) start stirring, adding polyamine compound and polar solvent into the reaction kettle, start stirring, heating up to 120°C at 5°C/minute under nitrogen protection, stirring at 200-300 revolutions/minute for 30 minutes to form a homogeneous phase, adding composite stabilizer, continuously stirring for 1 hour, reducing the temperature to 80°C, adding barium metaborate, silica sol, polyether modified silicone oil and pure water, and stirring for 30 minutes while maintaining the temperature to obtain binder B, and (3) adding the main ingredient A, binder B, curing agent and FeCl2 into the high shear emulsifier, adding a pH regulator to adjust to pH=5-7, adding sodium nitrite after the electrode catalytic system is connected to an external 24V power supply, reacting at a speed of 12000-16000 revolutions/minute at room temperature for 30 minutes, and then adding an organic binder.