GB/T 41985-2022230MeV~250MeV superconducting proton cyclotron (English PDF)
230MeV~250MeV超导质子回旋加速器
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 14, 2022
Implementation date
May 1, 2023
Scope
GB/T 41985-2022 is the English-translated version of 230MeV~250MeV超导质子回旋加速器.
GB/T 41985-2022 is the Chinese national standard for 230 MeV~250 MeV superconducting proton cyclotrons.
It fixes the accelerator's basic composition and working conditions, then the requirements for appearance and warning signs, beam quality, the performance of the main subsystems, electrical safety, radiation safety limits in the operating environment, electromagnetic compatibility and operation, with the matching measurements, the inspection items and decision rules, and the requirements for marking, packaging, transport, storage and accompanying documents; an informative annex covers measurement of the figure of merit.
It applies to superconducting proton cyclotrons with a proton energy of 230 MeV~250 MeV and a beam intensity of 1 nA~1000 nA, and does not apply to synchrocyclotrons.
Among the standards it quotes are GB 18871 and GB/T 19661.1-2005. Issued on 14 October 2022, it has applied since 1 May 2023.
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Document preview — GB/T 41985-2022
National Standard of the People's Republic of China
- ICS
- 27.120.99
- Classification
- F 92
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Basic composition and working conditions of accelerator
- 4.1 Basic composition
- 4.2 Basic working conditions
- 5 Technical Requirements
- 5.1 Appearance and warning signs
- 5.2 Beam Quality Index
- 5.3 Main Subsystem Performance Index
- 5.4 Electrical safety requirements
- 5.5 Radiation safety limits for operating environments
- 5.6 Electromagnetic Compatibility Requirements
- 5.7 Operational Requirements
- 6 Test method
- 6.1 Appearance and Warning Sign Inspection
- 6.2 Beam quality measurement
- 6.3 Main Subsystem Performance Measurements
- 6.4 Electrical safety measurements
- 6.5 Operating Environment Radiation Safety Test
- 6.6 Electromagnetic compatibility test
- 6.7 Running the test
- 7 Inspection rules
- 7.1 Overview
- 7.2 Inspection items
- 7.3 Decision Rules
- 8 Marking, packaging, transportation, storage and accompanying documents
- 8.1 Signs
- 8.2 Packaging
- 8.3 Transport
- 8.4 Storage
- 8.5 Accompanying files
- Appendix A (Informative) Measurement of Figure of Merit
- Reference
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted.
1 Scope
This document specifies the basic composition and work of 230MeV~250MeV superconducting proton cyclotron (hereinafter referred to as "accelerator").
Conditions, technical requirements, test methods, inspection rules and marking, packaging, transportation, storage and accompanying documents.
This document applies to superconducting proton cyclotrons with a proton energy of 230MeV~250MeV and a beam intensity of 1nA~1000nA. speeder. This document does not apply to synchrocyclotrons.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.
GB/T 191 Graphical signs of packaging, storage and transportation
GB 4793.1-2007 Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use Part 1: General Requirements
GB 4943.1-2011 Information Technology Equipment Safety Part 1: General Requirements
GB/T 9969 General Principles of Instruction Manual for Industrial Products
GB/T 12325 Power Quality Supply Voltage Deviation
GB/T 12326 Power Quality Voltage Fluctuation and Flicker
GB/T 14436 General Principles of Warranty Documents for Industrial Products
GB/T 14549 Power Quality Harmonics of Public Grid
GB/T 15543 Power Quality Three-phase Voltage Unbalance
GB/T 16895.21-2020 Low Voltage Electrical Installations Part 4-41.Safety Protection Electric Shock Protection
GB/T 17045-2020 General Parts of Electric Shock Protective Devices and Equipment
GB/T 17626.4-2018 Electromagnetic Compatibility Test and Measurement Technology Electrical Fast Transient Burst Immunity Test
GB/T 17626.5-2008 Electromagnetic Compatibility Test and Measurement Technology Surge (Shock) Immunity Test
GB 18871 Basic standard for ionizing radiation protection and radiation source safety
GB/T 19661.1-2005 Safety Requirements for Nuclear Instruments and Systems Part 1: General Requirements
GB/T 19661.2 Safety Requirements for Nuclear Instruments and Systems Part 2: Structural Requirements and Classification of Radioactivity Meters
GB/T 50102 Design Specification for Industrial Circulating Water Cooling
GB 50303-2015 Code for acceptance of construction quality of building electrical engineering
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Superconducting proton cyclotron
The superconducting coil is used to excite the main magnet, constrain the proton to make a cyclotron motion, and the proton is repeatedly accelerated by the high-frequency electric field during the motion.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB 4793.1-2007Safety requirements for electrical equipment for measurement,control,andlaboratory use-Part 1:General requirements
- GB 4943.1-2011Audio/video,information and communication technology equipment—Part 1: Safety requirements
- GB/T 9969General principles for preparation of instructions for use of industrial products
- GB/T 12325Power quality - Deviation of supply voltage
- GB/T 12326Power quality - Voltage fluctuation and flicker
GB/T 14436 · GB 50303-2015
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Related Standards
GB 18871-2002 — Basic Standards for Protection Against Ionizing Radiation and for the Safety of Radiation Sources
GB 4793.1-2007 — Safety requirements for electrical equipment for measurement,control,andlaboratory use-Part 1:General requirements
GB/T 12325-2008 — Power quality - Deviation of supply voltage
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