Multi-stage flash evaporation seawater desalination and gas turbine combined cycle power generation system

• Main Authors: CAO XIANCHANG, CHEN ZHILIANG, GU ZHENGYU
• Format: Patent
• Language: Chinese; English
• Published: 25.10.2022
• Subjects: AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; CHEMISTRY; COMBUSTION ENGINES; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; GAS-TURBINE PLANTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; METALLURGY; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ACCUMULATORS; STEAM ENGINE PLANTS; STEAM ENGINES; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE; WEAPONS

The invention relates to a water and electricity cogeneration system, in particular to a multi-stage flash evaporation seawater desalination and gas turbine combined cycle power generation system which comprises a heat reservoir, a multi-stage flash evaporation seawater desalination section and a gas turbine combined cycle power generation section. The heat reservoir comprises a high-temperature section, a medium-temperature section and a low-temperature section; the multi-stage flash evaporation seawater desalination section comprises a flash evaporation chamber group and a saline water heater connected with the flash evaporation chamber group; the low-temperature section is a heat source of the brine heater; seawater is desalted after being subjected to heat exchange through the flash chamber group and the brine heater; the gas turbine combined cycle power generation section comprises a gas turbine power generation device and a steam turbine cycle power generation device, exhaust gas generated by the gas tu