Oxygen is one of the components of air, colorless, odorless, tasteless. Oxygen is heavier than air, in the standard conditions (0 ℃ and atmospheric pressure 101325 mpa) density of 1.429 g/l, soluble in water, but the solubility is small. Oxygen can be directly combined with many element

In recent years, with the rapid growth of the national economy and the rapid development of industrial gas industry, the number of enterprises owned by the industry has increased greatly. The development must be accompanied by corresponding contradictions and problems, which highlight how to realize

The characteristics of liquefied petroleum gas (LPG) with its clean and convenient and widely used, but as a result of liquefied petroleum gas (LPG) has the properties of flammable, explosive, toxic, plus the bottle itself under high pressure, improper use, easy to security accidents. In order to en