ДСТУ ЕN 12952-9:2025 Водотрубные котлы и вспомогательное оборудование. Часть 9. Требования к системам зажигания пылевидного твердого топлива для котлов (EN 12952-9:2022, IDT)
ДСТУ EN 12952-9:2025
(EN 12952-9:2022, IDT)
Водотрубні котли та допоміжне устатковання.
Частина 9. Вимоги до систем запалювання пилоподібного твердого палива для котлів
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)
Contents
European foreword
1 Scope
1.1 Firing systems
1.2 Fuels
1.3 Operation
2 Normative references
3 Terms and definitions
4 Fuel bunkers and conveying plant
4.1 General
4.2 Conveying plant
4.3 Solid fuel bunkers
5 Pulverizing system and pulverized fuel system
5.1 Introduction
5.2 Solid fuel feeders
5.3 Mills
5.4 Pulverized fuel bins
5.5 Pulverized fuel supply pipes and shut-off devices
6 Explosion prevention measures for pulverizing systems and pulverized fuel systems
6.1 General
6.2 Plants operated without inert gas protection
6.3 Plants operated with inert gas protection
7 Equipment for air supply and flue gas discharge
7.1 Air supply
7.2 Air/fuel ratio
7.3 Flue gas discharge
8 Firing system
8.1 General
8.2 Burners for pulverized fuel
8.3 Flue gas recirculation
8.4 Monitoring and control
8.5 Electrical equipment
8.6 Safety precautions
8.6.1 Purging of the flue gas passes and lighting-up
8.6.2 Start-up
8.6.3 Operation
8.6.4 Shutting down of direct-firing systems
8.6.5 Shutting down of indirect-firing systems
9 Ash extraction plant
10 Operation and maintenance
10.1 General
10.2 Operating instructions
Annex A (informative) Operational requirements for permanently supervised firing system for pulverized fuel
A.1 General
A.2 Operation
A.3 Mills
A.4 Air/fuel ratio
A.5 Firing system
A.5.1 Combustion residues
A.5.2 Modification of the firing system setting
A.5.3 Safety precautions
A.5.4 Operation
A.6 Operating and maintenance
Annex B (informative) Significant technical changes between this document and the previous edition
Annex ZA (informative) Relationship between this European Standard and the essential requirements of Directive 2014/68/EU aimed to be covered
Bibliography
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