Wind-solar reactor system and working method thereof

Patent metadata

Field	Value
Publication number	US-2021287818-A1
Application number	US-202117190249-A
Country	US
Kind code	A1
Filing date	Mar 2, 2021
Priority date	Mar 2, 2020
Publication date	Sep 16, 2021
Grant date	—

Abstract

The present disclosure discloses a wind-solar reactor system and a working method thereof. The wind-solar reactor system comprises a nuclear reactor system, a wind power generation system, a solar power storage system and a balance energy system, wherein the nuclear reactor system uses an integrated small modular reactor design, the solar power storage system uses a tower-type solar power storage system design, and a hydrogen production system uses a copper-chlorine cycle hydrogen production technology. A reactor keeps rated full-power operation, generated electricity is adjusted and distributed through a power controller, most of the electricity is used for smoothing the fluctuation of wind power generation, and the excess electricity is used for hydrogen storage of the hydrogen system. Solar power is used for heating saturated steam generated by the reactor into superheated steam through a heater, and then the superheated steam enters a high-pressure cylinder to do work by expansion.

First claim

What is claimed is:

1 . A wind-solar reactor system comprising:
a balance energy system; a nuclear reactor system with a reactor, a superheater, a high-pressure cylinder, a steam-water separation reheater, a low-pressure cylinder, a condenser, a condensate pump, a low-pressure heater, a deaerator, a feed water pump, a high-pressure heater, and a nuclear power generator, wherein a reactor core outlet of the reactor is communicated with a shell side steam inlet of the superheater through a pipeline, the shell side steam outlet of the superheater is communicated with a steam inlet of the high-pressure cylinder, a steam outlet of the high-pressure cylinder is communicated with a steam inlet of the steam-water separation reheater, a steam outlet of the steam-water separation reheater is communicated with a steam inlet of the low-pressure cylinder, a liquid outlet of the steam-water separation reheater is communicated with a water inlet of the deaerator through a drain pump, a steam outlet of the low-pressure cylinder is connected with inlets of the condenser, the condensate pump and the low-pressure heater are in sequence, an outlet of the low-pressure heater is communicated with another water inlet of the deaerator, an outlet of the deaerator is connected with inlets of the feed water pump and the high-pressure heater in sequence, an outlet of the high-pressure heater is communicated with an inlet of the reactor, the high-pressure cylinder and the low-pressure cylinder are connected with the nuclear power generator ( 13 ) through bearings, respectively, the nuclear power generator is connected with an inlet of a power controller through a power path, two outlets of the power controller are connected with a balance energy system and an inlet of a transformer, respectively; a wind power generation system with a fan, a speed increaser, a wind turbine, and a control system, wherein the fan is connected with the speed increaser through bearings, the speed increaser is connected with the wind turbine through bearings, there are signal paths between the control system and the fan and between the speed increaser and the wind turbine, and the wind turbine is connected with another inlet of the transformer, and an outlet of the transformer is connected with a power grid; and a solar power storage system with a solar absorber, a heliostat, a high-temperature molten salt tank, a low-temperature molten salt tank, and a molten salt pump, the heliostat is arranged outside the solar absorber, an outlet of the solar absorber is communicated with an inlet of the high-temperature molten salt tank through a molten salt pipeline, an outlet of the high-temperature molten salt tank is communicated with a tube-side molten salt inlet of the superheater, a tube-side molten salt outlet of the superheater is connected with inlets of the low-temperature molten salt tank and a molten salt pump in sequence, an outlet of the molten salt pump is communicated with an inlet of the solar absorber.

2 . The wind-solar reactor system according to claim 1 , wherein the reactor uses integrated small modular reactors (SMR), the number of which is one or more.

3 . The wind-solar reactor system according to claim 1 , wherein the solar power storage system uses a tower-type solar power storage system, a solar absorber is fixed on the top of the tower, a preset number of heliostats are installed around the tower, high temperature is generated into the wall of the solar absorber collecting sunlight on the top of the tower by the heliostat to heat molten salt through the solar absorber.

4 . The wind-solar reactor system according to claim 1 , wherein the balance energy system is a hydrogen production system and its auxiliary components or a seawater desalination device or a biomass energy storage system.

5 . The wind-solar reactor system according to claim 4 , wherein the hydrogen production system uses a copper-chlorine cycle hydrogen production technology.

6 . The wind-solar reactor system according to claim 1 , wherein in the system, the reactor keeps the rated full power for operation, a part of heat is used to drive the high-pressure cylinder and the low-pressure cylinder to work, and the generated electricity is used to smooth the fluctuation of wind power generation, and is also used for the balance energy system to perform copper-chlorine cycle hydrogen production or seawater desalination or bioenergy product production, thus improving the effective utilization rate of nuclear power.

7 . A working method of the wind-solar reactor system according to claim 1 , comprising
providing a balance energy system with:
a nuclear reactor system with a reactor, a superheater is a shell-and-tube heat exchanger, a high-pressure cylinder, a steam-water separation reheater, a low-pressure cylinder, a condenser, a condensate pump, a low-pressure heater, a deaerator, a feed water pump, a high-pressure heater, and a nuclear power generator, wherein a reactor core outlet of the reactor is communicated with a shell side steam inlet of the superheater through a pipeline, the shell side steam outlet of the superheater is communicated with a steam inlet of the high-pressure cylinder, a steam outlet of the high-pressure cylinder is communicated with a steam inlet of the steam-water separation reheater, a steam outlet of the steam-water separation reheater is communicated with a steam inlet of the low-pressure cylinder, a liquid outlet of the steam-water separation reheater is communicated with a water inlet of the deaerator through a drain pump, a steam outlet of the low-pressure cylinder is connected with inlets of the condenser, the condensate pump and the low-pressure heater are in sequence, an outlet of the low-pressure heater is communicated with another water inlet of the deaerator, an outlet of the deaerator is connected with inlets of the feed water pump and the high-pressure heater in sequence, an outlet of the high-pressure heater is communicated with an inlet of the reactor, the high-pressure cylinder and the low-pressure cylinder are connected with the nuclear power generator through bearings, respectively, the nuclear power generator is connected with an inlet of a power controller through a power path, two outlets of the power controller are connected with a balance energy system and an inlet of a transformer, respectively;
a wind power generation system with a fan, a speed increaser, a wind turbine, and a control system, wherein the fan is connected with the speed increaser through bearings, the speed increaser is connected with the wind turbine through bearings, there are signal paths between the control system and the fan and between the speed increaser and the wind turbine, and the wind turbine is connected with another inlet of the transformer, and an outlet of the transformer is connected with a power grid; and
a solar power storage system with a solar absorber, a heliostat, a high-temperature molten salt tank, a low-temperature molten salt tank, and a molten salt pump, the heliostat is arranged outside the solar absorber, an outlet of the solar absorber is communicated with an inlet of the high-temperature molten salt tank through a molten salt pipeline, an outlet of the high-temperature molten salt tank is communicated with a tube-side molten salt inlet of the superheater, a tube-side molten salt outlet of the superheater is connected with inlets of the low-temperature molten salt tank and a molten salt pump in sequence, an outlet of the molten salt pump is communicated with an inlet of the solar absorber;
driving a molten salt in the low-temperature molten salt tank by the molten salt pump to enter the solar absorber and then entering the tube side of the superheater through the high-temperature molten salt tank after being

Assignees

• Univ Xi An Jiaotong

Inventors

• Su Guanghui
• Zhang Yan
• Tian Wenxi
• Zhang Kui
• Qiu Suizheng
• Chen Ronghua

Classifications

• H02J2101/40

  Hybrid power plants, i.e. a plurality of different generation technologies being operated at one power plant · CPC title

• H02J2101/28

  Wind energy · CPC title

• H02J2101/22

  Solar energy · CPC title

• F24S80/20

  Working fluids specially adapted for solar heat collectors · CPC title

• F24S20/20

  Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants · CPC title