| 摘要 |
In a process for heating material in a treatment apparatus, using heating vapor, followed by cooling of the material, the condensate from the heating stage is stored in a storage container and the heat content thereof is utilized for the recovery of heat for further use in the process, by the condensate, in a subsequent heating cycle, being returned directly to the treatment apparatus, for preheating of fresh material to be subsequently heated therein. After being cooled, the condensate is discharged from the treatment apparatus and removed from the process.
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