The invention relates to an apparatus for heating fluid, comprising: first supply means (2) for supplying fuel; second supply means (4) for supplying oxidizing agent; burner means (5) for combusting fuel and oxidizing agents after mixing thereof; and a first heat exchanger (8) to be heated by flue gases of the burner means (5) and arranged helically round the burner means (5).

Title
Heating apparatus and method for operation thereof
Application Number
97192002
Publication Number
1210582
Application Date
November 3, 1997
Publication Date
March 10, 1999
Inventor
P A B de Bruin
W Benschop
J D Brouwer
Agent
wang panbin
Assignee
Cooperative Inkoopvereniging Coopra Rotterdam
IPC
F24H 06/00
F24H 01/52
F24H 01/43