EP 0553238 B1 19970122 - SPIRAL HEAT EXCHANGER
Title (en)
SPIRAL HEAT EXCHANGER
Title (de)
SPIRALENFÖRMIGER WÄRMETAUSCHER
Title (fr)
ECHANGEUR THERMIQUE EN SPIRALE
Publication
Application
Priority
- NL 9100205 W 19911016
- NL 9002251 A 19901016
Abstract (en)
[origin: WO9207226A1] Spiral heat exchanger provided with a cylindrical casing (4), inside which a first medium can flow through, and a channel (1) which runs as a spiral around the cylinder axis and through which a second medium can flow. In addition to the one spiral channel and in each case alternating therewith, at least one additional spiral channel (2) is provided through which a third medium can flow. A straight channel (4) through which the first medium can flow is formed centrally within the two spiral channels. All channels have walls of good conductivity and the spaces between these walls are filled with material (5) of good conductivity by said material flowing in until the spaces are full. The wall around the straight channel can be formed by the walls of the spiral channels and the filling material between them. Said channels may be of annealed red copper and the filling material may be tin. Method for the production of such a spiral heat exchanger wherein two annealed metal channels (1, 2) filled with sand are wound around a steel pin to form an assembly, which pin is then replaced by a straight metal channel having the same external diameter as the pin, and wherein the assembly is immersed in fluid filling material, cooling taking place after removal therefrom. The fluid filling material is subsequently melted again using a burner, after which cooling takes place. Matrix-type heat exchange unit constructed of modules, each of which is formed by a spiral heat exchanger as mentioned above. Such a matrix-type heat exchange unit consists of a homogeneous block of ceramic material in which, at the location of the modules, three channels pass through the ceramic material.
IPC 1-7
IPC 8 full level
F28D 7/02 (2006.01); F28D 7/16 (2006.01); F28F 21/00 (2006.01); F28F 21/04 (2006.01)
CPC (source: EP)
F28D 7/022 (2013.01); F28F 21/04 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
WO 9207226 A1 19920430; AT E148219 T1 19970215; DE 69124391 D1 19970306; DE 69124391 T2 19970821; DK 0553238 T3 19970707; EP 0553238 A1 19930804; EP 0553238 B1 19970122; JP 3122464 B2 20010109; JP H06502479 A 19940317; NL 9002251 A 19920518
DOCDB simple family (application)
NL 9100205 W 19911016; AT 91919518 T 19911016; DE 69124391 T 19911016; DK 91919518 T 19911016; EP 91919518 A 19911016; JP 51746291 A 19911016; NL 9002251 A 19901016