Liquefied natural gas is a kind of liquid natural gas that has been pretreated and liquefied at a low temperature. Compared with conventional natural gas, it has a higher heating value and cleanliness, which is convenient for storage and transportation. In the development of the natural gas industry, liquefied natural gas will be an important part of it and an important supplement to pipeline natural gas. Natural gas liquefaction equipment is mainly composed of natural gas pretreatment unit, liquefaction unit, LNG storage unit, public and auxiliary engineering, fire protection system and control system. Among them, liquefaction is the core component.
The small and medium-sized natural gas liquefaction plant adopts the international advanced SMRC refrigeration process, which has the characteristics of simple process, low energy consumption, strong adaptability to changes in gas source components, small footprint, and low equipment costs