System for controlling air temperature of Pulverized coal for thermal power station

摘要

The present invention is a boiler combustion chamber for burning fossil fuel; A feeder for transporting raw coal to burn fossil fuels; A pulverizer which receives raw coal from a feeder to combust fossil fuels, pulverizes fine coal into fine coal and supplies it to a boiler combustion chamber; An air generator for generating air for burning fossil fuels; At least one air supplied from the air generator through at least one indentation ventilator to heat the air to be provided as combustion air, or at least one to heat the fossil fuel gas burnt through the boiler combustion chamber to provide the at least one manned ventilator Heat exchanger with; At least one hot air opening and closing portion provided between the differentiator and the at least one heat exchanger to open and close the heated air through the at least one heat exchanger; At least one electric precipitator for collecting the foreign matter when the fossil fuel is burned through the boiler combustion chamber; A stack for heating the at least one heat exchanger and receiving the fossil fuel gas filtered through the at least one electric dust collector from the at least one induction ventilator and discharging it to the outside; At least one cool air opening and closing portion provided between the at least one heat exchanger and the at least one pressurized ventilator, and between the differentiator and the at least one pressurized ventilator to open and close the air flowing through the at least one pressurized ventilator; At least one fossil fuel gas switchgear provided between the at least one electrostatic precipitator and the at least one attracted ventilator to open and close the fossil fuel gas to be discharged through the at least one attracted ventilator; And a reference pulverized coal ignition temperature for the mixed air temperature of cold air and hot air to ignite pulverized coal when cold air supplied through the at least one cool air opener and hot air supplied through the at least one heat exchanger are supplied to the mill. If it is out of the range, the pulverized coal ignition temperature to be corrected is calculated to match the current pulverized coal ignition temperature discharged from the pulverizer to the range of the standard pulverized coal ignition temperature, and the air generated from the air generator to cool the pulverized coal ignition temperature to be corrected Pulverized air temperature analysis to selectively open at least one cool air opening or at least one hot air opening to supply the powder to air or to supply the powder to hot air through at least one heat exchanger and at least one hot air opening. Thermal power plant containing device For pulverized coal air temperature control system. In addition, the present invention is a boiler combustion chamber for burning fossil fuel; A feeder for transporting raw coal to burn fossil fuels; A pulverizer which receives raw coal from a feeder to combust fossil fuels, pulverizes fine coal into fine coal and supplies it to a boiler combustion chamber; An air generator for generating air for burning fossil fuels; At least one air supplied from the air generator through at least one indentation ventilator to heat the air to be provided as combustion air, or at least one to heat the fossil fuel gas burnt through the boiler combustion chamber to provide the at least one manned ventilator Heat exchanger with; At least one hot air opening and closing portion provided between the differentiator and the at least one heat exchanger to open and close the heated air through the at least one heat exchanger; At least one electric precipitator for collecting the foreign matter when the fossil fuel is burned through the boiler combustion chamber; A stack for heating the at least one heat exchanger and receiving the fossil fuel gas filtered through the at least one electric dust collector from the at least one induction ventilator and discharging it to the outside; At least one cool air opening and closing portion provided between the at least one heat exchanger and the at least one pressurized ventilator, and between the differentiator and the at least one pressurized ventilator to open and close the air flowing through the at least one pressurized ventilator; At least one fossil fuel gas switchgear provided between the at least one electrostatic precipitator and the at least one attracted ventilator to open and close the fossil fuel gas to be discharged through the at least one attracted ventilator; And a reference pulverized coal ignition temperature for the mixed air temperature of cold air and hot air to ignite pulverized coal when cold air supplied through the at least one cool air opener and hot air supplied through the at least one heat exchanger are supplied to the mill. If it is out of the range, the pulverized coal ignition temperature to be corrected is calculated to match the current pulverized coal ignition temperature discharged from the pulverizer to the range of the standard pulverized coal ignition temperature, and the air generated from the air generator to cool the pulverized coal ignition temperature to be corrected At least one cool air opening or at least one hot air opening and closing section, selectively opening the supply of air to the grinding mill with air or through the at least one heat exchanger and the at least one hot air opening and closing unit Remove the motor mounted on the press-fit ventilator It rotated to provide a pulverized coal-fired power plant air temperature control system including the pulverized coal air temperature analysis apparatus for rapidly inducing the flow of air generated from the air-generating device.