NOVELTY - System comprises a boiler, a tail flue channel, an economizer, an air preheater, a dust removing device, a desulfurizing and dust removing device, a draught fan, a drying device, a high temperature pre-filter, a carbonization device, a biomass carbon cooling device, a grinding device, a biomass carbon molding and packaging device, a powder evacuation machine and a pyrolysis gas exhauster fan. The economizer and the air preheater are set in tail flue channel. The tail flue channel and the dust removing device are connected with desulfurizing and dust removing device, draught fan and chimney.    USE - The system is useful for drying and carbonizing biomass raw material using boiler smoke gas (claimed).    ADVANTAGE - The method ensures complete utilization of waste heat of the boiler flue gas, realizes continuous biomass drying and carbonization production, utilizes raw materials which are easily available, produces stable carbonization product with good quality. The system ensures convenient operation and suitable for large scale processing.    DETAILED DESCRIPTION - System comprises a boiler, a tail flue channel, an economizer, an air preheater, a dust removing device, a desulfurizing and dust removing device, a draught fan, a drying device, a high temperature pre-filter, a carbonization device, a biomass carbon cooling device, a grinding device, a biomass carbon molding and packaging device, a powder evacuation machine and a pyrolysis gas exhauster fan. The economizer and the air preheater are set in the tail flue channel. The tail flue channel and the dust removing device are connected with the desulfurizing and dust removing device, the draught fan and a chimney. The tail flue channel is connected with the high temperature pre-filter, a high temperature fan and the carbonization device. The drying device is connected with the carbonization device. One side of the carbonization device is connected with a pyrolysis gas exhauster nozzle through the pyrolysis gas exhauster fan and the boiler. The other side of the carbonization device is connected with a biomass carbon powder nozzle through the biomass carbon cooling device, the grinding device, the powder evacuation machine and the boiler. The biomass carbon molding and packaging device is connected with the grinding device. An INDEPENDENT CLAIM is also included for drying and carbonizing biomass raw material using boiler smoke gas by the system, comprising (i) burning coal or biomass fuel in the boiler to generate high temperature flue gas, introducing the high temperature flue gas in the boiler into the tail flue channel and the economizer, gradually reducing and carrying out heat exchange in the air pre-heater to form low temperature flue gas, purifying by dust removing device and discharging from the chimney under the action of the draught fan; (ii) simultaneously introducing the flue gas from the boiler dust removing device into the drying device, feeding high moisture content biomass raw material into the drying device, carrying out indirect heat transfer through the regenerator and the embedded scraper conveyor, removing external moisture in the biomass raw material, directly introducing the dried biomass into the carbonization device, and introducing smoke and steam to the inlet flue of the desulfurizing and dust-removing device after heat exchange; and (iii) introducing high temperature flue gas from the boiler tail flue into the economizer, then processing in high temperature pre-filter, introducing into the biomass carbonization device after removing fly ash, carrying out indirect heat transfer through the regenerator and multilayer embedded scraper conveyor, transferring high temperature flue gas into the biomass raw material, carrying out biomass pyrolysis and forming biomass charcoal under the anaerobic condition to obtain pyrolysis gas and tar product, introducing the heat generated during the pyrolysis gas into the boiler by a special pipeline, cooling and grinding biomass carbon, introducing to the boiler for combustion, or cooling, grinding and packaging to form different kinds of biomass carbon product, where the flue gas after heat exchange is used as heat source for biomass drying device, or returned to the inlet of the air pre-heater or dust-removing device, and discharged after heat exchange and purification.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic representation of the system for drying and carbonizing biomass raw material using boiler smoke gas (Drawing includes non-English language text).