NOVELTY - Highly efficient solar optical heat tower type power generation and sea water desalting integration system, comprises a solar heat collecting system, a heat transfer working medium circulating system and a power generating system. The sea water desalting system comprises a heliostat, a locator, an absorber, a heat absorber support tower, a heat transfer working medium loop, a pump, a first flow rate valve, a seawater heater, a steam generator, a steam loop, a second flow rate valve, a turbine generator, a power grid, a cold water pipe, a second pump, a water pipe and a third pump.    USE - Used as a highly efficient solar optical heat tower type power generation and sea water desalting integration system.    ADVANTAGE - The system is highly efficient, environmental-friendly, and economical; has rapid heat collecting, and heat supplying properties, and stable desalination production; and utilizes solar energy.    DETAILED DESCRIPTION - Highly efficient solar optical heat tower type power generation and sea water desalting integration system, comprises a solar heat collecting system, a heat transfer working medium circulating system and a power generating system. The sea water desalting system comprises a heliostat, a locator, an absorber, a heat absorber support tower, a heat transfer working medium loop, a pump, a first flow rate valve, a seawater heater, a steam generator, a steam loop, a second flow rate valve, a turbine generator, a power grid, a cold water pipe, a second pump, a water pipe, a third pump, a brine pipeline, a fourth pump, a multi-stage flash evaporator and a third flow rate valve. The solar heat collecting system, heat transfer working substance circulating system, power generating system and sea water desalting system, where the four sub-systems respectively run independently. The middle part of the heliostat is axially connected to the cylindrical locator and absorber. The heliostat matches a locator. Each heliostat matches at least one of the absorber which is connected to the first flow valve. The first flow valve is connected to one end of the absorber, and the other end is fixed on the heat absorber support tower. The first pump is connected to one end of the heat transfer working substance circulating system. The heat transfer working substance circulating system comprises heat working medium loop, pump, first flow rate valve, seawater heater and steam generator. The other end of the first flow rate valve is connected to one end of the steam generator. The other end of the steam generator is connected to one end of the seawater heater. One end of the seawater heater is connected to the other end of the first pump. The one end of a heat transmission working medium loop is connected to the other end of the heat transfer working substance circulating system loop. The power generating system comprises steam loop, second flow rate valve, turbine generator and steam generator. The one end of the steam generator is connected to the other end of the second flow control valve. The one end of the second flow control valve is connected to the other end of the turbine generator. The other end of the turbine generator is connected to the other end of the steam generator. The other end of the turbine generator is connected to the power grid. The sea water desalting system comprises cold water pipe, second pump, water pipe, third pump, brine pipeline, fourth pump, multi-stage flash evaporator and third flow rate valve. The one end of the second pump is connected to the seawater phase. The other end of the cold water pipe is connected to one end of the second pump. The other end of the cold water pipe is connected to one end of the upper part of the water heater by a multi-stage flash evaporator chamber. The other end of the water heater is connected to one end of the third flow control valve. The one end of the third flow control valve is connected to the other end of the multi-stage flash evaporator. The other end of the brine pipeline is connected to one end of the multi-stage flash evaporator. The other end of the brine pipeline is connected to one end of the fourth pump and to the other end of the fourth pump brine output. The one end of the third pump is connected to one end of a fresh water pipe. The other end of the fresh water pipe passes to the multi-stage flash evaporator and to each freshwater tank. Each freshwater tank is provided with an open port. The other end of the third pump is connected to a fresh water outlet. The heat transfer working medium loop provided with the steam loop is closed, to produce fresh sea water by opening the loop of the desalting system, and allows the system to continuously produce fresh water.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic representation of the highly efficient solar optical heat tower type power generation and sea water desalting integration system.