ДСТУ ЕN 12952-8:2025 Водотрубные котлы и вспомогательное оборудование. Часть 8. Требования к системам зажигания жидкостного и газового топлива для котлов (EN 12952-8:2022, IDT)
ДСТУ EN 12952-8:2025
(EN 12952-8:2022, IDT)
Водотрубні котли та допоміжне устатковання. Частина 8. Вимоги до систем запалювання рідинного та газового палива для котлів
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)
Contents
Foreword
1 Scope
1.1 Firing systems
1.2 Fuels
1.3 Operation
2 Normative references
3 Terms and definitions
4 Fuel supply
4.1 General
4.2 Fuel transfer and preparation
4.3 Fuel lines
4.4 Safety shut-off devices (Safety trip valves)
5 Equipment for air supply and flue gas discharge
5.1 Air supply
5.2 Air/fuel ratio
5.3 Flue gas discharge
6 Firing system
6.1 Burners
6.2 Flue gas recirculation
6.3 Control and monitoring
6.4 Electrical equipment
6.5 Safety precautions
6.6 Common stack for several firing systems
7 Operating manual
8 Particular requirements for firing systems burning gaseous fuels with high relative density
8.1 Main firing systems
8.2 Ignition burner systems
Annex A (normative) Chemical recovery boiler (black liquor boiler)
A.1 General
A.2 Additional requirements for the firing system for black liquor in the chemical recovery boiler
A.3 Special requirements for oil- or gas firing for chemical recovery boilers
Annex B (informative) Operational requirements for permanent supervised firing systems for liquid and gaseous fuels
B.1 General
B.2 Operation
B.3 Fuel preparation
B.4 Safety shutoff devices
B.5 Air/fuel ratio
B.6 Modification of firing, burner or air/fuel ratio setting
B.7 Control and monitoring
B.8 Purging, start-up and shut down
B.9 Emergency operation
B.10 Operating and maintenance instructions
B.11 Firing systems burning gaseous fuels with high relative density
Annex ZA (informative) Clauses of this European Standard addressing essential safety requirements or other provisions of the Pressure Equipment Directives
Bibliography
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