Natural gas liquefaction system
First Claim
Patent Images
1. A method for producing liquefied natural gas comprising:
- (A) compressing a refrigeration gas and turboexpanding the compressed refrigeration gas to produce cooled refrigeration gas;
(B) subcooling liquid natural gas and flashing the subcooled natural gas to produce flash vapor and liquefied natural gas; and
(C) warming the flash vapor and the cooled refrigeration gas by indirect heat exchange with the liquid natural gas to effect the subcooling of the liquid natural gas.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for producing liquefied natural gas wherein high pressure liquid natural gas is subcooled and then flashed to form flash vapor and liquefied natural gas product, and the flash vapor is employed in a refrigeration cycle to generate refrigeration for subcooling the liquid natural gas.
13 Citations
5 Claims
-
1. A method for producing liquefied natural gas comprising:
-
(A) compressing a refrigeration gas and turboexpanding the compressed refrigeration gas to produce cooled refrigeration gas;
(B) subcooling liquid natural gas and flashing the subcooled natural gas to produce flash vapor and liquefied natural gas; and
(C) warming the flash vapor and the cooled refrigeration gas by indirect heat exchange with the liquid natural gas to effect the subcooling of the liquid natural gas. - View Dependent Claims (2, 3, 4, 5)
-
Specification