NB/T 11263-2023 English PDF

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NB/T 11263-2023: Technical specification for vibration monitoring system of main ventilator in coal mine
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Basic data

Standard ID: NB/T 11263-2023 (NB/T11263-2023)
Description (Translated English): Technical specification for vibration monitoring system of main ventilator in coal mine
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: D98
Classification of International Standard: 73.100.01
Word Count Estimation: 14,168
Date of Issue: 2023-05-26
Date of Implementation: 2023-11-26
Issuing agency(ies): National Energy Administration

NB/T 11263-2023: Technical specification for vibration monitoring system of main ventilator in coal mine

---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 73.100.01 CCSD98 Energy Industry Standards of the People's Republic of China Technical conditions of vibration monitoring system for main ventilation fans in coal mines incoalmine Published on 2023-05-26 Implemented on 2023-11-26 Released by the National Energy Administration

Table of contents

Preface III 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 Technical requirements 2 4.1 General requirements 2 4.2 Environmental conditions 2 4.3 Power supply 2 4.4 System structure and configuration 2 4.5 Vibration measuring point configuration 3 4.6 Vibration sensor installation 3 4.7 Main functions 4 4.8 Performance indicators 5 4.9 Power supply fluctuation adaptability5 4.10 Job stability5 4.11 Explosion-proof requirements 5 5 Test method 5 5.1 Test conditions 5 5.2 Tested system requirements 6 5.3 Test system connection 6 5.4 System operation check 6 5.5 System function test 6 5.6 Main technical indicators test 7 5.7 Power supply fluctuation test 7 5.8 Working stability test 7 5.9 Explosion-proof performance test 7 6 Inspection Rules 7 6.1 Inspection Category 7 6.2 Factory inspection 7 6.3 Type inspection 8 7 Packaging, transportation and storage8 7.1 Packaging8 7.2 Transport9 7.3 Storage 9

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 Science and Technology Development Department of China Coal Industry Association. This document is under the jurisdiction of the Coal Mine Safety Standardization Technical Committee of the Coal Industry. This document was drafted by. Yanzhou Coal Mining Co., Ltd., Beijing Guoli Electric Technology Co., Ltd., Yankuang Energy Group Co., Ltd. Sixinglongzhuang Coal Mine, Productivity Promotion Center of China Coal Industry Association. The main drafters of this document. Wang Gonghua, Jiping, Zhang Zhaoyun, Zheng Houfa, Liu Kai, Zhang Wenrui, Dong Jun, Yang Yang, Meng Fanli, Fan Shoujun, Zhang Long. Technical conditions of vibration monitoring system for main ventilation fans in coal mines

1 Scope

This document specifies the technical requirements, test methods, inspection rules, packaging, transportation and storage of the main ventilation fan vibration monitoring system in coal mines. This document applies to the main ventilation fan vibration monitoring system in coal mines (hereinafter referred to as the "system").

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 191 Packaging, storage and transportation pictorial mark GB/T 3836.1 Explosive atmosphere Part 1.General requirements for equipment GB/T 3836.2 Explosive atmospheres Part 2.Equipment protected by flameproof enclosure "d" GB/T 3836.3 Explosive atmospheres Part 3.Equipment protected by increased safety type "e" GB/T 3836.4 Explosive atmospheres Part 4.Equipment protected by intrinsically safe type "i" GB/T 3836.9 Explosive atmospheres Part 9.Equipment protected by casting type "m" GB/T 9969 General Principles of Instructions for Use of Industrial Products GB/T 10111 Generation of random numbers and their application in product quality sampling inspection GB/T 19873.1 Machine condition monitoring and diagnosis Vibration condition monitoring Part 1.General principles GB/T 19873.2 Machine condition monitoring and diagnosis Vibration condition monitoring Part 2.Vibration data processing, analysis and description MT/T 772-1998 Main performance test methods of coal mine monitoring system JB/T 8689-2014 Ventilator vibration detection and its limits

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 According to the structural characteristics of the transmission chain of the monitored object, sensors are installed on the transmission chain components to continuously monitor the vibration number of each component. A system that uses data and analyzes to evaluate the operating status of the object under test. 3.2 monitoringsubstationmonitoringsubstation Complete sensor signal conditioning, signal acquisition, analog-to-digital conversion, data preprocessing and other functions, and has certain data storage media, data hardware device for data communication interface. 3.3 vibration sensorvibrationsensor The sensor that measures the vibration amount of the relevant components in the main ventilator uses the detection element to measure the vibration parameters (vibration position) of the measured object. (movement, speed, acceleration, etc.) into a proportional amount of electricity (such as voltage, current) output. ......

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