توضیحات :
NFPA 8506 – Standard on Heat Recovery Steam Generator Systems
۱۹۹۸ Edition
Chapter 1 Introduction
۱-۱ Scope.
۱-۱-۱ This standard shall apply to steam generators that re-cover heat from a combustion turbine. Purge requirements shall apply to all fired and unfired heat recovery steam generator (HRSG) systems regardless of the fuel(s) used.
۱-۱-۱-۱ The combustion turbine shall be permitted to fire the following fuels either alone or in combination:
(a) Natural gas
(b) No. 2 fuel oil
(c) Kerosene
(d) JP4 jet fuel
(e) Diesel fuel
۱-۱-۱-۲ The HRSG shall be permitted to be unfired, or supplemental firing shall be permitted to be provided from natural gas or fuel oil, as defined in this standard.
۱-۱-۲ The intent of this standard shall not be construed to dictate the methods or details of the combustion turbine manufacturer’s product or control system. Specific functional considerations are identified for proper interfacing related to the safety aspects of the combined combustion turbine and the HRSG.
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