GB/T 43219-2023 English PDF

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GB/T 43219-2023: Guidance to the inspection of mechanical sampling systems for moving stream of coal
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Basic data

Standard ID: GB/T 43219-2023 (GB/T43219-2023)
Description (Translated English): Guidance to the inspection of mechanical sampling systems for moving stream of coal
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D21
Classification of International Standard: 73.040
Word Count Estimation: 22,269
Date of Issue: 2023-09-07
Date of Implementation: 2024-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 43219-2023: Guidance to the inspection of mechanical sampling systems for moving stream of coal

---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.
ICS 73.040 CCSD21 National Standards of People's Republic of China Inspection Guidelines for Mobile Coal Stream Mechanized Sampling System Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

PrefaceⅠ Introduction II 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 General inspection rules 2 4.1 General 2 4.2 Precision check 2 4.3 Bias check 2 4.4 General requirements 2 5 Establishment of inspection procedures 2 5.1 General 2 5.2 External verification3 5.3 Internal verification3 5.4 Run Check 3 6 Inspection Procedure 3 6.1 External verification3 6.2 Internal verification 4 6.3 Run Check 4 7 Quality Control 5 7.1 General 5 7.2 Sampling ratio 5 7.3 Coefficient of variation 5 7.4 Extraction ratio 5 8 Inspection records 8 Appendix A (informative) Example 9 of inspection items for mechanized sampling system Appendix B (informative) Operation check record example 12 Appendix C (Informative) Sample 15 of Sampling Inspection Records Appendix D (Normative) Sampling Ratio Control Chart 17

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by the China Coal Industry Association. This document is under the jurisdiction of the National Coal Standardization Technical Committee (SAC/TC42). This document was drafted by. Coal Science and Technology Research Institute Co., Ltd. The main drafters of this document. Pi Zhongyuan, Han Liting, Fu Hao, Mao Guangjian, and He Chengyou.

Introduction

The coal mechanized sampling system mainly includes the moving coal flow mechanized sampling system and the stationary coal mechanized sampling system. However, in the coal machine There are also problems in the construction and use of mechanized sampling systems, such as improper selection, untimely and irregular performance testing, and failure to detect in time during operation and management. Problems and other situations affect the normal use and standardized operation of the mechanized sampling system. The external verification and internal verification specified in this document mainly focus on whether the mechanized sampling system meets the requirements of the corresponding standards and whether it meets the Inspection and evaluation based on specified operating conditions and design requirements. External verification can help evaluate the compliance, suitability of mechanized sampling systems Usability and effectiveness; internal verification can help evaluate the effectiveness of the continuous operation of the mechanized sampling system, identify possible problems and improve them; operation The inspection mainly focuses on the equipment, facilities and samples in all aspects of the entire process before each sampling operation of the mechanized sampling system, during the sampling process and after operation. Inspection and evaluation of product quality can help discover problems existing in the daily use of mechanized sampling systems, infer the causes of problems and Improve. Inspection Guidelines for Mobile Coal Stream Mechanized Sampling System

1 Scope

This document specifies the general inspection principles, establishment of inspection procedures, inspection procedures, quality control and Inspection records. This document is applicable to the mobile coal flow mechanized sampling system and the stationary coal mechanized sampling system for reference.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 19494.1 Mechanized coal sampling Part 1.Sampling methods GB/T 19494.2 Mechanized sampling of coal Part 2.Preparation of coal samples GB/T 19494.3 Mechanized coal sampling Part 3.Precision determination and bias test GB/T 30730 Technical conditions for coal mechanized sampling system

3 Terms and definitions

The terms and definitions defined in GB/T 19494.1 and the following apply to this document. 3.1 external auditexternalaudit Personnel with corresponding professional capabilities and not directly related to the management and operation of the mechanized sampling system to be verified shall conduct inspections of the mechanized sampling system. Inspection and assessment of compliance with the provisions of corresponding documents and system applicability. Note. These documents mainly include GB/T 19494.1, GB/T 19494.2, GB/T 19494.3, GB/T 30730, etc. 3.2 internal auditinternalaudit Technical personnel with corresponding professional abilities who are not responsible for the daily operation of this mechanized sampling system (such as sampling technology managers, technical personnel in charge personnel, specialized workers, etc.) to inspect and evaluate whether the mechanized sampling system meets the operating specifications and operating conditions specified in the document. Note. Operating specifications include performance test reports, procedures and work instructions formulated by the operating unit, operation and maintenance operation manuals and instructions provided by the manufacturer, etc. 3.3 Before, during and after each operation of the mechanized sampling system, the operators evaluate the operating conditions of the equipment and facilities in all aspects of the entire process. and inspection of sampling conditions. Note. Operators include those responsible for monitoring the operation of the sampling system, sample taking and collection. 3.4 sampling ratio samplingratio FSR The mechanized sampling system ultimately retains the ratio of the actual mass of the sample to the amount of coal represented by the sample. ......

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