气瓶瓶身轮胎最容易腐蚀蚀是哪

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单项选择题盛装腐蚀性气体的气瓶,每( )年检验1次,盛装一般气体的气瓶,每( )年检验1次;盛装惰性气体的气瓶,每( )年检验1次。A.1,3,5B.2,3,4C.2,3,5D.3,4,5
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最新相关试卷【单项选择题】 盛装腐蚀性气体的气瓶,每()年检验1次;……
  【单项选择题】 盛装腐蚀性气体的气瓶,每()年检验1次;盛装一般气体的气瓶,每()年检验1次;盛装惰性气体的气瓶,每()年检验1次。
  A、3,4,5
  B、1,3,5
  C、2,3,4
  D、2,3,5
  【参考答案】D
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单项选择题气瓶的安全检验周期是:盛装腐蚀性气体的气瓶,每(
)年检验一次;盛装一般气体的气瓶,每(
)年检验一次;液化石油气瓶,使用未超过二十年的,每(
)年检验一次。A.2,3,5B.5,3,2C.1,2,3D.3,2,5
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最新相关试卷It is understood that recently some manufacturers and bottled gas cylinders using the unit to reflect the quality and technical supervision departments, a number of cylinders of liquefied petroleum gas unit to the incorporation of civilian post-dimethyl ether filled LPG cylinders, or in the welding gas bottle without adding unknown chemical additives. This constitutes a serious violation of the "Gas Cylinder Safety Supervision Regulation" the relevant provisions and may lead to leakage of LPG cylinders and welding gas cylinder valves severe corrosion, to the safe use of gas cylinders is a big risk.
"Gas Cylinder Safety Supervision Regulation" in the specified cylinders must be dedicated, not converted to use. Special Equipment Safety Supervision Bureau cylinder filling unit of strict implementation of requirements set up by hand on the cylinders were filled by only before and after the inspection to ensure consistent filling and cylinder sta cylinder unit with cylinder use before the cylinder should be checked, and the costumes of the gas cylinder symbol mark to confirm the consistency of the nature of a modified gas cylinders are not allowed to use.
Special Equipment Safety Supervision Bureau official said, local quality and technical supervision departments should strengthen the cylinders, and use the supervision and management, a modified cylinder is found should immediately be closed down. The existence of the liquefied petroleum gas cylinders and welding gas cylinders mixed with dimethyl ether chemical additives such as adding an unknown gas cylinder filling unit of behavior modification, special equipment safety supervision institutions according to the "gas cylinder safety supervision requirement" to investigate, prevent modification caused by gas cylinders cylinder accidents.
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Dimethyl ether (referred to as DME), also known as ether. It from coal, natural gas and other resources in preparation, to achieve efficient and clean burning. Because of its easy to compress, condense, gasification, and with many polar and non polar solvents miscible characteristics, widely used in aerosols, refrigerants, domestic fuel, vehicle fuel, blowing agents and chemical raw materials. In recent years, DME in transport, power generation, civil and other fields of applications, has caused the European Union, the United States, Japan, Korea and China attach great importance to governments and experts to accelerate the development of its applied technology research.
Special Equipment Safety Supervision Bureau, according to the person in charge, and some cylinders in order to reduce unit costs, will be mixed with a certain amount of dimethyl ether in the liquefied petroleum gas, and that as long as a certain percentage of filled LPG cylinders mixed to not cause corrosion and valve gas leakage. But in fact, the State Quality Inspection Center of gas appliances in the mix after not long ago to analyze the valve leak found that the dimensions of valve rubber seals changed, resulting in leakage.
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译文:可能导致液化石油气钢瓶阀门漏气和焊接气瓶严重腐蚀,给气瓶安全使用带来了很大危险性。
据了解,近期部分气瓶制造企业和瓶装气体使用单位向质量技监部门反映,一些气瓶充装单位向民用液化石油气中掺入二甲醚后充入液化石油气钢瓶,或在焊接气瓶中擅自加入不明化学添加剂。这种
行为严重违反了《气瓶安全监察规程》的有关规定,而且可能导致液化石油气钢瓶阀门漏气和焊接气瓶严重腐蚀,给气瓶安全使用带来了很大危险性。
  《气瓶安全监察规程》中明确规定气瓶必须专用,不得改装使用。特种设备安全监察局要求气瓶充装单位严格执行规定,设立专人对气瓶逐只进行充装前、后的检查,保证充装与气瓶钢印标记一致的介质;气瓶使用单位使用气瓶前,应对气瓶进行检查,对气瓶钢印标记和盛装气体性质的一致性进行确认,对经过改装的气瓶,一律不得使用。
  特种设备安全监察局有关负责人表示,各地质量技监部门要加强对气瓶充装、使用
单位的监督管理,一经发现经过改装的气瓶,应立即予以查封。对存在向液化石油气钢瓶中掺入二甲醚和焊接气瓶中加入不明化学添加剂等气瓶改装行为的充装单位,特种设备安全监察机构要按照《气瓶安全监察规定》进行查处,避免因气瓶改装导致气瓶事故的发生。
  新闻链接
  二甲醚(简称DME),又名甲醚。它从煤、天然气等多种资源中制取,能实现高效清洁燃烧。由于其具有易压缩、冷凝、气化及与许多极性或非极性溶剂互溶的特性,广泛用于气雾剂、制冷剂、民用燃料、汽车用燃料、发泡
剂及化工原料。近年来,DME在交通运输、发电、民用等领域的应用前景,已引起欧盟、美国、日本、韩国及我国政府和专家的高度重视,加快了其应用技术的开发研究。
  据特种设备安全监察局有关负责人介绍,有的气瓶充装单位为了降低成本,将一定量的二甲醚掺入液化石油气中,并认为只要按一定比例混装充入液化石油气钢瓶,就不会造成瓶阀腐蚀和气体泄漏。但实际上,国家燃气用具质量检验中心在不久前对混装后发生泄漏的瓶阀进行剖析后发现,瓶阀橡胶密封圈的外形尺寸发生了变化,导致了泄漏。
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