GB/T 20129-2006 无损检测用电子直线加速器

ICS19.100

F86场昌

中华人民共和国国家标准

GB/T20129-2006

无损检测用电子直线加速器

Electronlinacfornon-destructivetesting

2006-03-02发布2006-08-01实施

中华人民共和国国家质量监督检验检疫总局

中国国家标准化管理委员会发布

GB/T20129-2006

目次

前言··············································································································……m

1范围···············，·················-········································……1

2规范性引用文件·································································.·······、············‘·····……1

3术语和定义·······················，···········，····················，··········································……1

4装置组成、型号命名及工作条件····‘····，，··········，，···、······，···.·……2

4.1装置组成··································································································一2

4.2型号命名···········-·············，·············，····························，·················一·2

4.3工作条件············、·········，·········，·······························，································……2

4.4不同型号装置对应检测厚度范围················································，···········，········一·2

5技术要求········，·····‘·，··········，····，·，····-·】··，，······1····2

5.1外观····························‘··································，··········-·························……2

5.2控制系统···························································.·...················.·..···……3

5.3整机性能指标·····，，································································，············，··...··……3

5.4电气安全···································································································.……3

5.5辐射安全···············································，·········-·」」··················..······一4

5.6可靠性·························，·········，·························································……4

6试验方法···，····················-」········································，···········，··················……4

6.1试验条件······，·，，··，····································································……4

6.2外观检查································································，····························……4

6.3控制系统试验···························································.··……4

6.4整机性能试验··················‘················，·‘·······‘·······.···.·····...……5

6.5电气安全试验················-················..········...·········.·，······…7

6.6辐射安全试验········‘·····-·‘······，···············‘·，·········1，·····，··，····，，，·······，…8

6.7可靠性试验··················，、·········-，·········，·················.·······.··……，·……，二，8

7检验规则············································································，·····……，.·8

7.1检验分类·······，····，·······‘·······-········，·········，，·····························.·······……8

7.2检验项目·················································································.··...······...…8

7.3判定规则························································」···················.·.··········-········，...9

8标志、包装及运输、随行文件、贮存·······························…·…，.······.·……，.，…9

8.1标志·····························································································-·····……9

8.2包装1·，·，·-······，，······，，··，·······，··，，········，，，·······，，，····、······‘···················，，，…9

8.3运输······-································································································……9

8.4随行文件·，」······································································，········，，···……，1U

8.5贮存·······、、·················、、······························································一10

图1装置的型号命名··-··…‘

图2钢的半值层与能量的关系

图3叠块及测量示意图，·……

GB/T20129-2006

图4三“明治”摆放位置示意图···············································，···········，·…““”””’“””””’

图5X射线均匀度测量示意图·················‘···············，，······……’“““一‘“““”‘”““““”’“““

图6泄漏剂量测量点示意图·······················，··········································，·…““”””““““‘

表1不同型号装置对应检测厚度范围·········-·············，，，············.····.·……，.…2

表2不同型号装置的X射线空气吸收剂量率······，······，···········，·······························，·····……3

表3不同型号装置对应的X射线均匀度······，，·，······，，··········，··················，··········……3

表4试验条件·········，············································，················································一·4

表5装置在基本绝缘条件下的试验电压·········，···············…·…卜·········...…….卜...……卜.，.……8

表6无损检测用电子直线加速器检验项目·8

GB/T20129-2006

前言

电子直线加速器产生的X射线具有能量高、穿透力强、剂量率大、焦点小等特点，是应用于工业探

伤、检测用的一种电子设备，该产品可用于对钢铁铸件、固体火箭发动机、压力容器、大型锅炉、巨型炮

弹、集装箱等进行无损探伤或无损检测。

本标准规范了无损检测用电子直线加速器的技术要求与检验方法，以促进产品的技术创新与升级

改造，并与国际惯例接轨，使产品更好地满足市场的需求。

本标准由全国核仪器仪表标准化委员会提出并归口。

本标准起草单位:中国原子能科学研究院、北京原子高科核技术应用股份有限公司。

本标准主要起草人:李玉玲、周文振。

GB/T20129-2006

无损检测用电子直线加速器

范围

本标准规定了无损检测用电子直线加速器装置的型号命名