This paper introduces this technique by applying in large ordinary press pot.

In this article,the new structure used in the design of the internal components in large atmospheric pressure tower was introduced,including liquid descending plate outlet,fluid guide pipe connecting the four spillways tray and double spillways tray.

Acoustic emission as to apply to atmospheric storage tank flat bottom tank floor characteristic inspection,it can not only show the character of super fast-highly flexible,but also evaluate the whole characteristic of the tank floor,including the leakage,the central frequency of the activity source,the central frequency of the friction source and signal spread path.

This paper discusses the problem of the Magnetic flux leakage as to applied to atmospheric storage tank flat bottom tank floor corrosion inspection.

The advantages and disadvantages of methods using atmospheric pressure container and high-pressure container respectively to store LNG are analyzed.

The methods using atmospheric pressure container and high-pressure container to store liquefied natural gas (LNG) were introduced respectively in this artical.

Common Shortcomings and Treatment of Checking Regular-pressure Tankers Carrying Dangerous Liquid Goods in Road Transportation;