System to recover negative energy from liquefied natural gas

A system to recover negative energy from liquefied natural gas comprising a gas power generation subsystem, a steam power generation subsystem, a negative energy storage subsystem and a cooling subsystem;

• wherein the gas power generation subsystem comprises a gasification device connected to the steam power generation subsystem and the negative energy storage subsystem and a gas power generation device connected to the gasification device, the gasification device vaporizes liquefied natural gas to gaseous natural gas and collects cold energy generated during the gasification of the liquefied natural gas, the gasification device is connected to the gas power generation device to supply the gaseous natural gas for generating electrical power, and the cold energy is supplied to the steam power generation subsystem and the negative energy storage subsystem;
• wherein the steam power generation subsystem comprises a steam power generation device connected to the gasification device and a heat source connected to the steam power generation device, the heat source provides heat energy, and the steam power generation device converts the heat energy and the cold energy from the gasification device to electrical power;
• wherein the negative energy storage subsystem comprises an ultra-low temperature device and a low temperature device connected to the ultra-low temperature device, the ultra-low temperature device stores the cold energy from the gasification device in an ultra-low temperature cold energy storage medium, and the low temperature device stores the cold energy from the ultra-low temperature device in a low temperature cold energy storage medium;
• wherein the electrical power generated by the gas power generation subsystem and the steam power generation subsystem is supplied to the cooling subsystem, and the cold energy stored in the negative energy storage subsystem is supplied to the cooling subsystem;
• wherein the gas power generation device comprises an air inlet, a first heat exchanger connected to the air inlet and the gasification device, an air compressor connected to the first heat exchanger, a second heat exchanger connected to the air compressor, a combustion chamber connected to the first heat exchanger, a gas turbine connected to the combustion chamber and the second heat exchanger, and a first power generator connected to the gas turbine, the first heat exchanger cools air inlet from the air inlet to produce cool air by utilizing the gaseous natural gas from the gasification device, the air compressor compresses the cool air, the second heat exchanger heats the compressed cool air to produce compressed hot air, the combustion chamber mixes and burns the compressed hot air and the gasified natural gas to drive the gas turbine to rotate, thereby to drive the first power generator to generate electrical power.