Energy comprehensive utilization system of gas-fired boiler

• Main Authors: MI JUNLIANG, FAN YONGJUN, WANG YUBO
• Format: Patent
• Language: Chinese; English
• Published: 28.04.2020
• Subjects: AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS; BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; CONTROLLING WATER LEVEL; DOMESTIC HOT-WATER SUPPLY SYSTEMS; DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS; ELEMENTS OR COMPONENTS THEREFOR; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; FEED-WATER SUPPLY; FLUES; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; RANGES; REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES; STEAM ACCUMULATORS; STEAM ENGINE PLANTS; STEAM ENGINES; STEAM GENERATION; VENTILATING; WEAPONS

The utility model discloses an energy comprehensive utilization system of a gas-fired boiler. The energy comprehensive utilization system comprises a boiler, a steam turbine generator, a storage battery, a first heat exchanger, a condensing tower, a water supplementing tank, an SCR reactor, a desulfurizing tower, a sensible heat exchanger, a gas source and a heat supply network assembly. A fuel gas outlet of the fuel gas source is connected with a fuel gas inlet of the boiler, a steam outlet of the boiler is connected with a steam inlet of the steam turbine generator through a pipeline, and the power output end of the steam turbine generator is electrically connected with the power input end of the storage battery through a power transmission line. The flue gas waste heat recovery device is simple in structure, can effectively recover waste heat of high-temperature flue gas while achieving power supply and heating, can recycle water vapor in the flue gas, achieves the purposes of reducing energy consumption a