Is steel filled with gas or natural gas?
The gas from different sources, different names: the dry distillation of coal and gas called coke oven gas; coal (or coke) in the case of incomplete combustion can be gas; if the carbon and water vapor in high temperature, can get water gas; gas discharged from blast furnace is also quite combustible components the name of blast furnace gas.
Natural gas is from gas containing methane and other alkanes by gas, according to the content of methane in natural gas and other hydrocarbon, natural gas will be divided into two types: one is called methane containing dry gas (dry gas), usually containing methane 80 ~ 99% (in volume). The other is in addition to containing methane, but also contains more ethane, propane, butane gas, known as wet natural gas (moisture), or multi oil natural gas.
Liquefied petroleum gasLiquefied petroleum gas (LPG) is a kind of important domestic fuel, which is a by-product of oil refinery catalytic cracking and thermal cracking. Compared with the city gas, liquefied petroleum gas high calorific value, the same volume of liquefied petroleum gas and gas combustion, liquefied petroleum gas calorific value is 20 times the gas.
