| (19) |
 |
|
(11) |
EP 0 124 907 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
11.06.1986 Bulletin 1986/24 |
| (43) |
Date of publication A2: |
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14.11.1984 Bulletin 1984/46 |
| (22) |
Date of filing: 08.05.1984 |
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| (84) |
Designated Contracting States: |
|
DE FR GB IT |
| (30) |
Priority: |
10.05.1983 JP 8011683
14.03.1984 JP 4711084
|
| (71) |
Applicant: NIPPON STEEL CHEMICAL CO. LTD. |
|
() |
|
| (72) |
Inventors: |
|
- Hamada, Mitsunori
()
- Tsunenari, Shigeru
()
- Kamada, Noboru
()
|
|
| |
|
| (54) |
A method of drying coal |
(57) Coal is dried, with a computerized moisture control, by the heat recovered from coke
oven gas in a heat recovery unit installed in the collection gas transfer line via
a heat transfer fluid, circulating in the unit which exchanges heat with the coke
oven gas in the unit and vaporizes, becomes compressed by a compressor to a highertemperature
and pressure, flows to an indirectly-heated dryer to dry the coal and is recirculated
to the unit.