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NB/T 10747-2021General technical conditions of the coal mine blasting monitoring system (English PDF)

煤矿井下爆破监控系统通用技术条件

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

November 16, 2021

Implementation date

February 16, 2022

Scope

NB/T 10747-2021 is the English-translated version of 煤矿井下爆破监控系统通用技术条件.

NB/T 10747-2021 gives the product requirements for monitoring systems that supervise underground blasting in coal mines.

After the product model designation, the technical clauses cover environmental conditions, power supply, system composition and functions, performance specifications, transmission performance, working stability, electromagnetic immunity, reliability and explosion protection.

Matching test methods describe the test apparatus, the configuration of the system under test, operation and function checks, specification tests, reliability testing to GB/T 5080 and explosion-proof tests to the GB 3836 series, with immunity tests under GB/T 17626.

Factory and type inspection rules close the text. Manufacturers and certification bodies use it, while NB/T 10746 governs how mines install and run these systems. Issued on 16 November 2021, it has applied since 16 February 2022.

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Document preview — NB/T 10747-2021

National Standard of the People's Republic of China

Classification: D 98

Issued by: National Energy Administration of the People's Republic of China

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Product Model
5 Technical Requirements
5.1 General requirements
5.2 Environmental conditions
5.3 Power supply
5.4 System Composition
5.5 Function
5.6 Specifications
5.7 Transmission performance
5.8 Working stability
5.9 Anti-interference performance
5.10 Reliability
5.11 Explosion-proof performance
6 Test methods
6.1 Environmental conditions
6.2 Power supply conditions
6.3 Test Apparatus and Equipment
6.4 Tested system requirements
6.5 System Operation Check
6.6 Functional test
6.7 Specifications
6.8 Reliability test
6.9 Explosion-proof performance test
7 Inspection rules
7.1 Factory inspection
7.2 Type inspection

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 product model, technical requirements, test methods and inspection rules of the mine blasting monitoring system.

This document applies to the monitoring system for underground blasting in coal mines (hereinafter referred to as the system).

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 3836.1 Explosive Atmospheres Part 1: General Requirements for Equipment

GB 3836.2 Explosive Atmospheres Part 2: Equipment protected by flameproof enclosure "d"

GB 3836.3 Explosive Atmospheres Part 3: Equipment Protected by Increased Safety "e"

GB 3836.4 Explosive Atmospheres Part 4: Equipment protected by intrinsically safe "i"

GB 7958 Coal Mine Capacitive Detonator

GB/T 2887 General Specification for Computer Fields

GB/T 5080.1-2012 Reliability Test Part 1: Test Conditions and Statistical Test Principles

GB 5080.7 Equipment Reliability Test - Verification Test Scheme for Failure Rate and Mean Time Between Failures under the Assumption of Constant Failure Rate

GB/T 10111 Generation of random numbers and its application in product quality sampling inspection

GB/T 17626.2 Electromagnetic Compatibility Test and Measurement Technology Electrostatic Discharge Immunity Test

GB/T 17626.3 Electromagnetic Compatibility Test and Measurement Technology Radio Frequency Electromagnetic Field Radiation Immunity Test

GB/T 17626.4 Electromagnetic Compatibility Test and Measurement Technology Electrical Fast Transient Burst Immunity Test

GB/T 17626.5 Electromagnetic Compatibility Test and Measurement Technology Surge (Shock) Immunity Test

AQ6201-2019 General technical requirements for coal mine safety monitoring system

AQ6210-2007 General technical conditions for the management system of underground workers in coal mines

GA837 Civilian Explosives Storehouse Security Requirements

MT/T 772-1998 Main performance test method of coal mine monitoring system

MT/T 899-2000 Information Transmission Device for Coal Mine

MT/T 1116 Coal mine safety production monitoring system networking technical requirements

MT/T 1130 Mine Fieldbus

MT/T 1131 Mining Ethernet

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Blasting monitoring system

A human-computer interaction system used to monitor and control the flow of civilian explosives and blasting operations in coal mines.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.

Referenced standards

Normative references

GB 3836.1 · GB 3836.2 · GB 3836.3 · GB 3836.4 · GB 5080.7 · AQ6201-2019 · AQ6210-2007 · GA837 · MT/T 772-1998 · MT/T 899-2000

Cited by

NB/T 10746-2021Specification of application and management for supervision system for blasting under a coal mine

Similar standards

NB/T 10746-2021|NB/T 10377-2019|GB/T 25217.11-2019|NB/T 11526-2024|NB/T 11633-2024|NB/T 11646-2024

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