LPG is a colorless and volatile gas obtained by pressurizing, cooling, and liquefying refinery gas or natural gas. The main components of liquefied petroleum gas obtained from refinery gas are propane, propylene, butane, butene, and a small amount of pentane, pentene and trace sulfur compound impurities.

The main quality control indicators of LPG are evaporation residue and sulfur content, and sometimes control olefin content, which is a flammable substance. When the content in the air reaches a certain concentration range, it will explode when exposed to an open flame. Lpg Cng Switch Factory introduces LPG has the following advantages:

① Less pollution. LPG is a hydrocarbon composed of carbon 3 and carbon 4, which can be completely burned without dust. The application in modern cities can greatly reduce the pollution caused by coal and fuelwood in the past.

②High calorific value. The calorific value of the same weight of liquefied petroleum gas is equivalent to twice that of coal, and the liquid calorific value is 45 185 ~ 45 980kJ / M3.

③ Convenient transportation. LPG is a gas under normal temperature and pressure. It can be liquefied into a liquid under a certain pressure or frozen to a certain temperature. It can be transported on land and water by train (or car) tanker or LPG ship.

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④The pressure is stable. The pressure in front of the furnace of LPG pipe users remains unchanged, which is convenient for users to use.

⑤The storage device is simple and the delivery method is flexible. Compared with the production, storage and supply of city gas, the storage equipment for LPG is relatively simple. Gas stations are stored in liquefied petroleum gas tanks, which can be installed in gas cylinders for users, or they can be installed through gas stations and supply pipe networks. Implement pipeline gas supply.

Therefore, LPG is widely used as industrial, commercial and residential fuel. At the same time, its chemical composition determines that liquefied petroleum gas is also a very useful chemical raw material, so it is also widely used in the production of various chemical products.