BS PD CEN/TR 15281-2006
爆炸预防用惰化导则

Guidance on Inerting for the Prevention of Explosions

BS PD CEN/TR 15281-2006 发布历史

Inerting is a measure to prevent explosions. By feeding inert gas into a system which is to be protected against an explosion, the oxygen content is reduced below a certain concentration until no explosion can occur. The addition of sufficient inert gas to make any mixture non-flammable when mixed with air (absolute inerting) is only required in rare occasions. The requirements for absolute inerting will be discussed. Inerting may also be used to influence the ignition and explosion characteristics of an explosive atmosphere. The guidance given on inerting is also applicable to prevent an explosion in case of a fire. The following cases are not covered by the guideline:  admixture of an inert dust to a combustible dust;  inerting of flammable atmospheres by wire mesh flame traps in open spaces of vessels and tanks;  fire fighting;  avoiding an explosive atmosphere by exceeding the upper explosion limit of a flammable substance. Inerting which is sufficient to prevent an explosion is not a protective measure to prevent fires, self-ignition, exothermic reactions or a deflagration of dust layers and deposits.

BS PD CEN/TR 15281-2006由英国标准学会 GB-BSI 发布于 2006-06-30，并于 2006-06-30 实施。

BS PD CEN/TR 15281-2006 在中国标准分类中归属于: C67 工厂防火防爆安全技术，在国际标准分类中归属于: 13.230 防爆。

BS PD CEN/TR 15281-2006 发布之时，引用了标准

• EN 1127-1-1997 
• EN 14034-4 尘云的爆炸特性测定.第4部分:尘云的极限氧气浓度LOC的测定
• EN 50104 氧气的检测和测量用电气设备.性能要求和试验方法*， 2010-06-01 更新
• IEC 61508-1 电气、电子、程序可控的电子安全相关系统的功能性安全.第1部分:一般要求*， 2010-04-01 更新

* 在 BS PD CEN/TR 15281-2006 发布之后有更新，请注意新发布标准的变化。

BS PD CEN/TR 15281-2006的历代版本如下：

• 2006年06月30日 BS PD CEN/TR 15281-2006 爆炸预防用惰化导则

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标准号

BS PD CEN/TR 15281-2006

发布日期

2006年06月30日

实施日期

2006年06月30日

废止日期

无

中国标准分类号

C67

国际标准分类号

13.230

发布单位

GB-BSI

引用标准

EN 1127-1-1997 EN 14034-4 prEN 14756 EN 50104 IEC 61508-1

适用范围

Inerting is a measure to prevent explosions. By feeding inert gas into a system which is to be protected against an explosion, the oxygen content is reduced below a certain concentration until no explosion can occur. The addition of sufficient inert gas to make any mixture non-flammable when mixed with air (absolute inerting) is only required in rare occasions. The requirements for absolute inerting will be discussed. Inerting may also be used to influence the ignition and explosion characteristics of an explosive atmosphere. The guidance given on inerting is also applicable to prevent an explosion in case of a fire. The following cases are not covered by the guideline:  admixture of an inert dust to a combustible dust;  inerting of flammable atmospheres by wire mesh flame traps in open spaces of vessels and tanks;  fire fighting;  avoiding an explosive atmosphere by exceeding the upper explosion limit of a flammable substance. Inerting which is sufficient to prevent an explosion is not a protective measure to prevent fires, self-ignition, exothermic reactions or a deflagration of dust layers and deposits.