초록

A gas liquefaction method which uses the pressure energy of a natural gas processing system to generate refrigeration for high temperature cooling of a gas, and uses a mixed gas refrigerant fluid to generate refrigeration for low temperature cooling of the gas to produce liquefied product.

대표청구항 ▼

A gas liquefaction method which uses the pressure energy of a natural gas processing system to generate refrigeration for high temperature cooling of a gas, and uses a mixed gas refrigerant fluid to generate refrigeration for low temperature cooling of the gas to produce liquefied product. he air co

A gas liquefaction method which uses the pressure energy of a natural gas processing system to generate refrigeration for high temperature cooling of a gas, and uses a mixed gas refrigerant fluid to generate refrigeration for low temperature cooling of the gas to produce liquefied product. he air conditioning apparatus to the steam production apparatus, steam turbine apparatus for receiving heat provided by the provision apparatus, the steam turbine apparatus for producing electricity, and thermal transfer earth loop apparatus for providing cooling fluid to the air conditioning apparatus, wherein the steam production apparatus includes first tank system for producing steam at a first temperature and at a first pressure, and a second tank system for receiving steam from the first tank system and processing said steam to produce output steam for the steam turbine apparatus, the output steam at a second pressure lower than the first pressure and at a second temperature substantially equal to the first temperature, wherein the steam turbine apparatus produces exhaust material and the system further comprising vent apparatus for venting the exhaust material from the steam turbine apparatus, and vent recovery apparatus for recovering heat from the exhaust material, wherein the vent recovery apparatus includes a vent recovery heat exchanger and the system further comprises vent heat transfer apparatus for providing heat recovered by the vent recovery heat exchanger to the steam production apparatus, and water supply apparatus for supplying water to the system. 16. A method for using waste heat generated by an air conditioning apparatus, the method comprising supplying heat generated by the air conditioning apparatus to a system for using said heat, the system comprising first heat exchange apparatus, supply apparatus for supplying heat from an air conditioning apparatus to the first heat exchange apparatus, steam production apparatus, provision apparatus for providing heat extracted by the first heat exchanger from the heat from the air conditioning apparatus to the steam production apparatus, steam turbine apparatus for receiving heat provided by the provision apparatus, the steam turbine apparatus for producing electricity, and thermal transfer earth loop apparatus for providing cooling fluid to the air conditioning apparatus, and using said heat in the steam turbine apparatus to produce eletricity. 17. The method of claim 16 wherein the first heat exchange apparatus is a water-to-refrigerant-to-water heat exchanger and wherein refrigerant for the heat exchanger Is commercially available R123 refrigerant. 18. The method of claim 16 wherein the system's steam production apparatus includes a first tank system for producing steam at a first temperature and at a first pressure, and a second tank system for receiving steam from the first tank system and processing said steam to produce output steam for the steam turbine apparatus, the output steam at a second pressure lower than the first pressure and at a second temperature substantially equal to the first temperature and wherein the first tank system includes steam control valve apparatus through which steam from the first tank system flows to the second tank system. 19. The method of claim 16 wherein vent apparatus for venting the exhaust material from the steam turbine apparatus, and vent recovery apparatus for recovering heat from the exhaust material and the method further comprising recovering heat from the exhaust material, and providing said heat to the steam production apparatus. 20. The method of claim 16 wherein the system further comprises at least one fuel cell for producing electricity, the at least one fuel cell in fluid communication with the thermal transfer earth loop apparatus so that fluid from the thermal transfer earth loop apparatus cools the fuel cell, and the method further comprises cooling the at least one fuel cell, and producing electricity with the fuel cell. 21. A system for using waste heat generated by an air conditioning apparatus, the system comprising first heat exchange apparatus, supply apparatus for supplying heat from an air conditioning apparatus to the first heat exchange apparatus, steam p