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NB/T 10522.4-2021Automatic waterproof door for mining - Part 4: Technical regulation for operation and maintenance (English PDF)

矿用自动控制防水闸门　第4部分：操作及维护要求

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

January 7, 2021

Implementation date

April 1, 2021

Scope

NB/T 10522.4-2021 is the English-translated version of 矿用自动控制防水闸门　第4部分：操作及维护要求.

NB/T 10522.4-2021 is the final part, Part 4, of the series on automatically controlled waterproof gates for mines and concerns how installed gates are operated and kept in service.

It defines the manual, automatic and emergency operation modes, the last being used when water inrush occurs, and gives the technical requirements for operation together with the test operation mode and the emergency operation mode.

The maintenance clauses set the technical requirements and methods for keeping the parts of each gate subsystem in good condition, referring to rules for pressure vessels, hydraulic transmission systems, explosion-protected electrical equipment and the repair of coal mine electromechanical equipment.

It applies to all automatically controlled mine waterproof gates. Issued on 7 January 2021, it has applied since 1 April 2021.

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Document preview — NB/T 10522.4-2021

National Standard of the People's Republic of China

Classification: D 98

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

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Operation
4.1 Operational technical requirements
4.2 Test operation mode
4.3 Emergency operation mode
5 Maintenance
5.1 Maintenance technical requirements
5.2 Maintenance method

Foreword

NB/T 10522 "Automatic Control Waterproof Gate for Mines" is divided into four parts.

---Part 1: Mechanical devices;

---Part 2: Electro-hydraulic control system;

---Part 3: Engineering design, construction and acceptance specifications;

---Part 4: Operation and maintenance requirements.

This part is part 4 of NB/T 10522.

This section was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This part of NB/T 10522 specifies the general technical requirements for the operation of mine automatic control waterproof gates (hereinafter referred to as waterproof gates) and The maintenance quality requirements of parts in each system organization. This section applies to automatic control waterproof gates for mines.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 150-2011 (all parts) pressure vessel

GB/T 3766-2015 General rules and safety requirements for hydraulic transmission systems and their components

GB 3836.1 Explosive Atmosphere Part 1: General Requirements for Equipment

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

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

GB 3836.13 Explosive Atmosphere Part 13: Repair, Overhaul, Repair and Modification of Equipment

GB/T 9877 Code for design of lip seal ring for hydraulic transmission rotating shaft

GB/T 14048.4-2020 Low-voltage switchgear and control equipment Part 4-1.Contactors and motor starters electromechanical Contactor and motor starter (including motor protector)

MT/T 661-2011 General technical requirements for electrical equipment used in underground coal mines

MT/T 1097-2008 Technical specification for maintenance of coal mine electromechanical equipment

TSGR0004-2009 Safety Supervision Regulations for Fixed Pressure Vessels

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Manual operation mode of waterproof door

Control the action of the waterproof gate by manual operation.

3.2 Automatic operation mode of waterproof door

The action of the waterproof gate is completed through an automatic control program.

3.3 Emergency operation mode of waterproof door emergency operation mode of waterproof door

Emergency operation method of waterproof gate in case of water inrush.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 150-2011 · GB 3836.1 · GB 3836.2 · GB 3836.4 · GB 3836.13

Similar standards

NB/T 10522.1-2021|NB/T 10522.2-2021|NB/T 10522.3-2021|GB/T 14536.13-2022|NB/T 11665-2024|NB/T 11218-2023

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