气焊与气割设备与工具的安全使用（The safe use of gas welding and cutting equipment and tools）.docVIP

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气焊与气割设备与工具的安全使用（The safe use of gas welding and cutting equipment and tools）.doc

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气焊与气割设备与工具的安全使用（The safe use of gas welding and cutting equipment and tools）

气焊与气割设备与工具的安全使用（The safe use of gas welding and cutting equipment and tools） The safe use of gas welding and cutting equipment and tools The safe use of a gas welding and cutting equipment, Structure of 1. commonly used gas cylinders For welding and cutting of the oxygen and hydrogen cylinders are compressed gas cylinders, acetylene cylinders are dissolved gas cylinders, cylinder oil belongs to liquefied gas cylinder. (1) the structure of oxygen bottle Oxygen bottle is a special high pressure vessel for storing and transporting oxygen. Oxygen cylinders are usually rolled from high quality carbon steel or low-alloy structural steel into seamless cylindrical containers. Commonly used cylinder volume 40L, 15MPa oxygen pressure in the bottle, you can store 6m3 of oxygen. Oxygen bottle before leaving the factory, in addition to all parts of the oxygen bottle for strict inspection, but also on the bottle for hydraulic pressure test, the general test pressure is 1.5 times the work pressure. And in the upper part of the spherical surface of the body as a clear sign. Mark mark: bottle number, work pressure and pressure test, pressure test, the next time the date stamp, stamp, manufacturing bottle factory inspection department of the volume and weight, the manufacturing plant, factory date. In addition, the oxygen bottle must also be checked regularly during the process of internal and external surface test and water pressure test. The surface of oxygen bottle is sky blue and marked with oxygen on the black paint. (2) the structure of acetylene bottle The acetylene bottle is a special container for storing and transporting acetylene gas. Its shape is similar to that of an oxygen bottle. Its structure is more complicated than oxygen cylinders, mainly because not to high pressure acetylene into the ordinary cylinder, and must use the characteristics of acetylene dissolved in acetone, take necessary measures to put pressure into the acetylene cylinder. The shell of acetylene is