Sulfur hexafluoride gas has a history of one hundred years. It is an artificial inert gas synthesized in 1900 by two French chemists, Moissan and Lebeau. Around 1940, the US military used it for the Manhattan Project (nuclear military), and it was commercially available in 1947. Currently, SF6 gas is mainly used in the power industry. Used for four similar electrical equipment as edge or arc extinguishing.
In terms of gas consumption, 80% is used for high and medium voltage power equipment. All of the sulfur hexafluoride gas is suitable for power equipment, because it has the following characteristics.
(1) Strong electronegativity. It has different arc extinguishing performance.
(2) The edge strength is high. It is 3 times that of air under atmospheric pressure.
(3) Good thermal conductivity and easy to compound. Especially when SF6 gas dissociates due to discharge or arc.
(4) Can be stored in a small gas tank. This is because the increased pressure is easy to liquefy under the greenhouse.
(5) Convenient gas supply, inexpensive and stable.
The operating staff of sulfur hexafluoride gas should be equipped with safety equipment, and should have protective clothing, gas masks, oxygen breathing apparatus, gloves, protective glasses and protective grease. Safety equipment must comply with the relevant regulations of the home. Safety protection equipment should be stored in a clean, dry, and cool cabinet, and should be kept by someone and checked regularly to ensure that it is in standby at all times.
High-purity sulfur hexafluoride manufacturers remind people who use oxygen respirators and gas masks to have a physical examination, especially to check the heart and lung functions. Those with abnormal functions cannot use the above-mentioned products. When the staff wear oxygen breathing apparatus and gas masks for work, they must have door guards on the spot to prevent accidents.
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