Industry knowledge
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How to manage gas and steel cylinders safelyThe first category is steel or aluminum alloy metal bottles (CNG-1);The second type is composite steel gas cylinders (CNG-2) reinforced with steel or aluminum lined with barrels and impregnated with long-fiber resin.The third type is a composite gas cylinder (CNG-3) reinforced with steel or aluminumIndustry knowledge November 28, 2019
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The nature and use of medical gases(1) OxygenThe molecular formula of oxygen is O2. It is a strong oxidant and combustion improver. When high-concentration oxygen encounters oil, it will undergo a strong oxidation reaction, generate high temperature, and even burn and explode. Therefore, it is listed as a Class B fire hazardous substIndustry knowledge July 25, 2019
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How does a gas cylinder pressure reducing valve work?1. Working principle of gas cylinder pressure reducing valve:The high pressure chamber of the gas cylinder pressure reducing valve is connected to the cylinder, and the low pressure chamber is a gas outlet and leads to the use system. The indication of the high pressure gauge is the pressure of theIndustry knowledge March 29, 2019
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Detailed explanation of the cylinderA cylinder is a type of pressure vessel. It is a re-inflatable mobile cylinder containing a compressed gas or high-pressure liquefied gas with a design pressure of 1-300kgf/cm2 and a volume of not more than 1m3. It is a kind of pressure vessel commonly used in civil, public welfare and industrial aIndustry knowledge March 08, 2019
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Import and export tax rates for various gas products will be adjusted from New Year's DayIn order to implement the spirit of the internship in the opening ceremony of the opening ceremony of the first China International Import Expo, the Chairman of the Board of Directors of the People’s Republic of China, the State Council’s Customs Tariff Commission, reviewed and approved, and approveIndustry knowledge January 02, 2019
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Precautions for using one-way valvesPay attention to the following items when using the check valve:1) In normal operation, the working pressure of the check valve is lower than the rated working pressure of the check valve; the flow through the check valve should be within the rated flow range allowed by the diameter, and no large prIndustry knowledge December 27, 2018
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Cylinder color mark standard1 acetylene white acetylene can not be near fire red2 hydrogen H2 light green hydrogen red red P=20, light yellow single ringP=30, light yellow double ring3 Oxygen O2 Light (酞) Blue Oxygen Black P=20, white single ring4 nitrogen N2 black nitrogen yellowish P=30, white double ring5 air black air whitIndustry knowledge December 21, 2018
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How to store gas tanks is the safest1. Explosion-proof drying: In the summer, it is necessary to cover the sunshade to prevent direct sunlight from illuminating the bottle.2, rainproof: the storage point should be set at a high place, preventing rain and ground area water and causing bottle rust.3, lightning protection: the storage poIndustry knowledge December 14, 2018
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Common cylinder color mark standardNo. Filling gas name Chemical type Bottle color Typeface Color circle1 acetylene white acetylene can not be near fire red2 hydrogen H2 light green hydrogen red red P=20, light yellow single ringP=30, light yellow double ring3 Oxygen O2 Light (酞) Blue Oxygen Black P=20, white single ring4 nitrogen N2Industry knowledge October 19, 2018
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Helium characteristicsHelium has the following characteristics:1. The content of radon in the air is extremely small, accounting for only about one in 200,000, which is easy to find;2. The ruthenium molecule is small, light in weight, easy to diffuse, and easy to pass through the leak hole than other gases;3. The cesiumIndustry knowledge August 23, 2018