EP 0653588 B1 19970723 - Circulating fluidized bed reactor with heat exchange surface extensions
Title (en)
Circulating fluidized bed reactor with heat exchange surface extensions
Title (de)
Zirkulierender Wirbelschichtreaktor mit Wärmeaustauschflächenerweiterungen
Title (fr)
Réacteur à lit fluidisé circulant à extensions de surface d'échange thermique
Publication
Application
Priority
FR 9313476 A 19931110
Abstract (en)
[origin: EP0653588A1] The present invention relates to a circulating fluidized bed reactor including a lower region (3) equipped with a fluidization grid (11), with means for injecting primary air (12) below the grid (11), with means for injecting secondary air (13) above the grid (11) and with means for introducing fuel (10), the walls (5) surrounding this lower region being equipped with heat-exchange tubes, and an upper region (2) surrounded by walls (4) provided with heat-exchange tubes (9), the heat-exchange tubes (9) being joined together by fins (30). The walls of the said regions (2, 3) are equipped with vertical heat-exchange panels known as extensions (14) fixed perpendicularly to the walls (4, 5) of the regions (2, 3) these extensions being formed of tubes (15) internal to the reactor, of a horizontal width of between 150 and 500 mm and spaced apart by a distance of between 1.5 and 4 times their width, this width being defined as the distance between the internal face of the fins (30) of the walls (4, 5) and the furthermost generatrix of the furthermost tube of the extensions. <IMAGE>
IPC 1-7
IPC 8 full level
F23C 10/06 (2006.01); F22B 31/00 (2006.01); F23C 10/02 (2006.01); F23M 5/08 (2006.01)
CPC (source: EP US)
F22B 31/003 (2013.01 - EP US); F22B 31/0084 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE DE ES FR GB GR SE
DOCDB simple family (publication)
EP 0653588 A1 19950517; EP 0653588 B1 19970723; AT E155867 T1 19970815; CA 2135460 A1 19950511; CA 2135460 C 19981103; CN 1073882 C 20011031; CN 1174095 A 19980225; CZ 276294 A3 19950614; CZ 290558 B6 20020814; DE 69404423 D1 19970904; DE 69404423 T2 19971204; ES 2104310 T3 19971001; FI 103299 B1 19990531; FI 103299 B 19990531; FI 945229 A0 19941107; FI 945229 A 19950511; FR 2712378 A1 19950519; FR 2712378 B1 19951229; GR 3024601 T3 19971231; PL 178960 B1 20000731; PL 305777 A1 19950515; RU 2119119 C1 19980920; RU 94040179 A 19961110; SK 135594 A3 19950607; US 5707591 A 19980113
DOCDB simple family (application)
EP 94402508 A 19941107; AT 94402508 T 19941107; CA 2135460 A 19941109; CN 94120110 A 19941109; CZ 276294 A 19941110; DE 69404423 T 19941107; ES 94402508 T 19941107; FI 945229 A 19941107; FR 9313476 A 19931110; GR 970402245 T 19970902; PL 30577794 A 19941109; RU 94040179 A 19941109; SK 135594 A 19941109; US 72338696 A 19960930