GB/T 29161-2012 English PDF

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GB/T 29161-2012: Specifications of on-line analyzer for coal based on neutron activation analysis
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29161-2012	399	Add to Cart	3 days	Specifications of on-line analyzer for coal based on neutron activation analysis	Valid

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Basic data

Standard ID: GB/T 29161-2012 (GB/T29161-2012)
Description (Translated English): Specifications of on-line analyzer for coal based on neutron activation analysis
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D21
Classification of International Standard: 73.040
Word Count Estimation: 17,158
Quoted Standard: GB/T 191; GB 474; GB 4793.1-2007; GB 5172; GB 5226.1-2002; GB/T 6543; GB 11806-2004; GB/T 12464; GB 14052; GB 15479; GB 18871-2002; GB/T 19494.2; GB/T 19952-2005
Regulation (derived from): National Standards Bulletin No. 41 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the type of neutron activation line analyzer composed of coal, classification, technical requirements, test methods, inspection rules and signs, packaging and accompanying documents, transport and storage. This standard applies to

GB/T 29161-2012: Specifications of on-line analyzer for coal based on neutron activation analysis

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Specifications of on-line analyzer for coal based on neutron activation analysis ICS 73.040 D21 National Standards of People's Republic of China Neutron activation type coal-line analyzer Issued on. 2012-12-31 2013-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Coal Industry Association. This standard coal by the National Standardization Technical Committee (SAC/TC42) centralized. This standard was drafted. CCRI coal analysis laboratory (National Coal Quality Supervision and Inspection Center), Jiang Su Guangzhao Science and Technology Limited liability company, China Coal Research Institute of Coal Chemical Research Branch, China Coal Research Institute detection Research Branch, Nanjing Guosheng Science and Technology have Limited. The main drafters of this standard. leather Plains, Songzhao Long, Li Yinghua, Jiang Ying, Fang Quanguo, Xu Aiguo, Cui Guosheng.

Introduction

Neutron activation type coal online analyzer using neutron induced prompt γ-ray activation analysis, real-time online elements in the coal division Analysis of the characteristics and quality indicators. This standard only neutron-activated coal-line analyzer line detection system of the main provisions of the subsidiary did not belt weigher and coal Moisture meter (optional) make specific technical requirements. Belt scales and moisture meter output signals from the control cabinet collection on-line analysis of the primary system in hand Line data processing. Neutron activation type coal-line analyzer

1 Scope

This standard specifies the neutron-activated coal-line analyzers composition, classification, technical requirements, test methods, inspection rules and signs, including Equipment, accompanying documents, transport and storage. This standard applies to neutron-activated coal-line analyzer.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 191 Packaging - Pictorial signs GB 474 coal sample preparation GB 4793.1-2007 measurement, control and laboratory safety requirements for electrical equipment - Part 1. General requirements GB 5172 particle accelerator radiation protection GB 5226.1-2002 Safety of machinery - Electrical machinery and electrical equipment - Part 1. General requirements GB/T 6543 transportation corrugated packaging single and double corrugated boxes GB 11806-2004 safe transport of radioactive materials regulations GB/T 12464 ordinary wooden box Radiation safety isotope instrumentation installed on the device GB 14052 requirements GB 15479 Industrial Automation Instrumentation Isolation resistance strength technical requirements and test methods GB 18871-2002 ionizing radiation protection and safety of radiation sources basic standards GB part/T 19494.2 coal mechanization sampling 2. Preparation of coal sample GB/T 19952-2005 online coal analyzers to measure performance evaluation method

3 Terms and Definitions

GB/T 19952-2005 define the following terms and definitions apply to this document. 3.1 Prompt γ-ray neutron activation analysis promptgammaneutronactivationanalysis (PGNAA) By thermal neutron bombardment of target nuclei of various elements in the sample, so that after the capture of thermal neutrons generated excited excited compound nucleus, in < In the 10-14s time release characteristics deexcitation γ rays. According to the position of characteristic γ-ray peaks (energy) and intensity (peak area) elements into Line qualitative and quantitative analysis, coal measure all major elements other than carbon, oxygen. 3.2 Pulsed fast neutron activation analysis pulsefastandthermalneutronactivationanalysis (PFTNA) Pulsed fast neutron hit the target material, thermal neutron and target nucleus thermal neutron capture reaction by prompt γ-ray and fast feature Prompt feature neutron and target nucleus inelastic scattering reaction to the release of γ-rays. According to the position of characteristic γ-ray peaks (energy) and intensity (Peak area) on the qualitative and quantitative analysis of the elements, the main elements of all measurable coal include carbon, including oxygen. 3.3 Neutron activation type coal line analyzer on-lineanalyzerforcoalbasedonneutronactivationanalysis Using PGNAA and PFTNA technology, using neutron activation analysis principle, processing and transportation of coal in the process of a plurality of indicators ......

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