The ingredients are different.
Natural gas is a naturally occurring hydrocarbon gas extracted from oil and gas Wells, with methane as the main component.Liquefied petroleum gas (LPG) is a kind of light component condensate and LPG produced by oil refinery, with propane as the main component.Artificial gas has coke oven gas and water gas and so on, water gas is hot steam through the hot coke formed, the main ingredients are hydrogen and carbon monoxide.Coke oven gas is a reducing gas produced by steel works and iron works after purification, the main component is carbon monoxide.
Different sources of production
Liquefied petroleum gas (LPG) is a kind of petroleum tail gas left in the process of refining gasoline, kerosene, diesel oil, heavy oil and other oil products. It is turned into liquid by pressurizing measures. LPG is generally obtained from oil and gas fields, refineries or LPG from vinyl plants.Natural gas mainly comes from underground multi-pore rock stratum, and the natural gas system paleontological remains deposit underground for a long time. After slow transformation and metamorphism and decomposition, the gas produced gaseous hydrocarbons, including oil field gas, gas field gas, coal bed gas, mud volcano gas and biogenic gas, etc., but also a small amount from coal seam.Gas is a gas containing combustible components produced from coal.
Different cleanliness and safety
In terms of cleanliness, natural gas is cleaner than LIQUEFIED petroleum gas (LPG) and produces fewer toxic gases when burned, which is good for the environment.Natural gas is safer than LPG and artificial gas.Natural gas does not contain carbon monoxide, is harmless to humans and animals, and is lighter than air. After leakage, it will quickly spread upward to the upper part of the air, and is not easy to accumulate and form explosive gas.However, LPG is heavier than air, which is easy to ignite and explode after leakage. Artificial gas has higher carbon monoxide content, which is easy to be poisoned and causes more environmental pollution.
Others
The working pressure of LPG is 2.8kPa, the gas supply mode is cylinder in general, pipeline in some cases, and the representative symbol of gas type is 20Y. It is suitable for LPG external packing boxes and nameplates all over the country with the type of gas source and applicable areas.
The working pressure of natural gas is 2.0kpa, and the gas supply mode is generally 12T of natural gas in most parts of the country. In some areas, there are other types of natural gas such as 10T, which can be judged by the type of gas source on the packing box and nameplate and the applicable area.
The working pressure of artificial coal-derived gas is 1.0kpa, and the gas supply mode is generally pipeline. The representative symbols of gas types mainly include 5R, 6R, 7R and R, which cannot be mixed in different areas. It can be judged by the type of gas source on the packing box and nameplate and the applicable area.
5. In addition, the calorific value of natural gas is different from that of liquefied petroleum gas and artificial gas.The calorific value sequence is: liquefied petroleum gas > natural gas > artificial gas, that is to say, the same mass of liquefied petroleum gas will release more heat when burning.
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