| (19) |
 |
|
(11) |
EP 0 544 348 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
27.10.1993 Bulletin 1993/43 |
| (43) |
Date of publication A2: |
|
02.06.1993 Bulletin 1993/22 |
| (22) |
Date of filing: 06.11.1992 |
|
| (51) |
International Patent Classification (IPC)5: F28G 1/02 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE FR GB IT LI NL SE |
| (30) |
Priority: |
25.11.1991 NO 914596
|
| (71) |
Applicant: NORSK HYDRO TECHNOLOGY B.V. |
|
NL-4540 AA Sluiskil (NL) |
|
| (72) |
Inventors: |
|
- Boe, Einar
N-3670 Notodden (NO)
- Gronnerud, Rolf
N-0672 Oslo (NO)
|
| (74) |
Representative: Bleukx, Lucas Lodewijk Maria, Ir. |
|
Norsk Hydro Technology B.V.,
Rue Neerveld 107
1200 Bruxelles
1200 Bruxelles (BE) |
|
| |
|
| (54) |
Cleaning equipment for a heat exchanger |
(57) Cleaning equipment for a heat exchanger of the jacket-pipe section type with built-in
baffles. The baffles are stiffened with bars and connected to one or more pulling
devices which can be moved longitudinally forwards and backwards, thus pulling the
baffles over the outside of the pipes and scraping off encrustation.