Liquefied natural gas storage tank is the storage of liquefied natural gas professional products, special equipment, three types of pressure vessels, after inspection, water pressure test, technical supervision bureau on-site inspection, issued pressure vessel inspection certificate, external rust removal painting and other processes completed. Liquefied gas storage tank has strict quality appraisal of pressure element material, appearance size and weld quality, operation quality, installation quality, internal device and safety accessories. Conventional physical and chemical inspection of tank materials such as: mechanical properties and chemical composition. The welded joints, welds, tank heads and geometric positions of each pressure element are strictly inspected by X-ray non-destructive testing and magnetic particle detection. Test the tightness, pressure resistance, and all technical indicators that can affect the safe operation of the product.

The supply station of small LNG bottle group station will supply the LNG in the filled dewar bottle to the residents of small towns, scenic areas, small industrial users and other areas that cannot be reached temporarily or permanently by gas pipelines after gasification, pressure regulation, measurement and deodorization. The product is ventilated and debugged before leaving the factory, and the control point is set according to the requirements, which can be provided as a whole.

Membrane separation technology is a technology that realizes gas separation by using different permeability of film materials to various gases