EP 0752556 B1 19990217 - Natural circulation heat recovery steam generator
Title (en)
Natural circulation heat recovery steam generator
Title (de)
Naturumlauf-Abhitzedampferzeuger
Title (fr)
Chaudière de récupération à circulation naturelle
Publication
Application
Priority
DE 19524727 A 19950707
Abstract (en)
[origin: EP0752556A1] A feed water pump (10) supplies feed water via a feed water pipe (9,11) to the at least one drum (4). A circulation system consists of at least one down pipe (5), at least one evaporator heating surface (2) positioned horizontally in a vertical exhaust gas duct (1), and at least one riser pipe (6). The feed water pipe is connected, downstream from the feed water pump, is connected to the down pipe by at least one starter pipe (14) with controls (13). A non-return valve (16) is positioned between the join (15) between the starter pipe and down pipe on one side, and drum on the other side, in the down pipe. In front of the non-return valve in the down direction of flow, the down pipe or drum is connected to at least one drain pipe (17) by controls (18).
IPC 1-7
IPC 8 full level
F22B 1/18 (2006.01); F22B 29/04 (2006.01)
CPC (source: EP)
F22B 1/1815 (2013.01); F22B 29/04 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
EP 0752556 A1 19970108; EP 0752556 B1 19990217; AT E176813 T1 19990315; DE 19524727 A1 19970109; DE 19524727 C2 19980409; DE 59601312 D1 19990325; ES 2130721 T3 19990701
DOCDB simple family (application)
EP 96110438 A 19960628; AT 96110438 T 19960628; DE 19524727 A 19950707; DE 59601312 T 19960628; ES 96110438 T 19960628