Global Patent Index - EP 4083502 A1

EP 4083502 A1 20221102 - HEAT RECOVERY STEAM GENERATOR AND THERMAL STEAM GENERATION PLANT

Title (en)

HEAT RECOVERY STEAM GENERATOR AND THERMAL STEAM GENERATION PLANT

Title (de)

WÄRMERÜCKGEWINNUNGSDAMPFERZEUGER UND DAMPFKRAFTWERK

Title (fr)

GÉNÉRATEUR DE VAPEUR À RÉCUPÉRATION DE CHALEUR ET CENTRALE THERMIQUE À VAPEUR

Publication

EP 4083502 A1 20221102 (EN)

Application

EP 22170899 A 20220429

Priority

IT 202100010919 A 20210429

Abstract (en)

A recovery steam generator (4) comprises:a flue-gases flowing chamber (11) extending along a longitudinal axis (A) and provided with an inlet (16) and an outlet (17);a steam circuit (14) supplied with water and extending at least partially within the flue-gases flowing chamber (11) so as to exploit the heat of the flue-gases to generate steam; the steam circuit (14) comprising:• a superheating section (20) comprising at least two superheating banks (22; 27) arranged in series with each other;• a plurality of connecting pipes (25, 29) configured to connect the at least two superheating banks (22; 27) in series with each other;• at least a plurality of first injection pipes (30; 31) configured to inject a first heat transfer fluid into each of the connecting pipes (25; 25, 29);• a control device (34) configured to regulate the flow rate of the first heat transfer fluid supplied via the first injection pipes (30; 31).

IPC 8 full level

F22G 1/02 (2006.01); F01K 23/10 (2006.01); F22G 5/12 (2006.01); F22G 5/14 (2006.01); F22G 7/12 (2006.01)

CPC (source: EP)

F01K 23/10 (2013.01); F22G 1/02 (2013.01); F22G 5/12 (2013.01); F22G 7/12 (2013.01); F22G 5/123 (2013.01); F22G 5/14 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4083502 A1 20221102; IT 202100010919 A1 20221029

DOCDB simple family (application)

EP 22170899 A 20220429; IT 202100010919 A 20210429