Title:
SPIRAL OR HELICAL COUNTERFLOW HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2014/085874
Kind Code:
A3
Abstract:
Spiral or helical counterflow heat exchanger (9, 9') consisting of two adjoining chambers (10,11), in which a fluid at a high temperature flows in one chamber in one direction, and in which a fluid at a low temperature flows in the opposite direction in the other chamber, characterised in that both chambers are separated by one separating plate (6') of flat monolithic double-sided enamelled steel annealed at temperatures above 500°C, and whereby the separating plate (6') is held by its edges in a corrosion-resistant spacer (8,8') that imposes a fixed distance to two other flat monolithic double-sided enamelled steel plates that each define one chamber at the side that is opposite the separating plate (6'), and which prevents corrosion of the edges of the separating plate and of the two other enamelled steel plates.
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Inventors:
VAN DE BROEK WOUT (BE)
Application Number:
PCT/BE2013/000063
Publication Date:
September 12, 2014
Filing Date:
December 04, 2013
Export Citation:
Assignee:
POLYVISION NV (BE)
International Classes:
F28D9/00; F28F19/02
Foreign References:
| EP0214589A1 | 1987-03-18 | |||
| DE3405768A1 | 1985-08-22 | |||
| US2136153A | 1938-11-08 | |||
| EP0566208A1 | 1993-10-20 | |||
| DE4031355A1 | 1992-04-09 | |||
| DE2301222A1 | 1974-07-18 | |||
| GB1273305A | 1972-05-10 | |||
| JPS61101797A | 1986-05-20 | |||
| JPS63135790A | 1988-06-08 | |||
| JP2000074577A | 2000-03-14 | |||
| JP2004060906A | 2004-02-26 | |||
| FR2963415A1 | 2012-02-03 | |||
| DE1055487B | 1959-04-23 |
Attorney, Agent or Firm:
E., Donné et al. (Arenbergstraat 13, Antwerpen, BE)
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