| 摘要 |
A process for maintaining a high temperature reactor is described, in which the lower hearth part which has become damaged as a result of mechanical, chemical and/or thermal stressing and which forms a constructional unit with the molten bath hearth is replaced by a reserve unit. For this purpose the high temperature reactor charging is interrupted and in the lower hearth part the molten liquid is drained off from the molten bath. The combined burners passed by means of cooling jackets through the hearth wall are removed and the connecting elements between the upper and hearth parts are released. The hot lower part is then removed from its operating position. The previously preheated reserve unit is brought into the operating position and the combined burners with the oxygen supplies are introduced into the cooling jackets of the reserve unit.
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