| 摘要 |
The improvements include the combination in series of a first steam superheater arranged upstream of the postcombustion burner, after which there is a second steam superheater prior to the exit of the steam so that it can be utilized, the next stages in the direction of flow of the gases in the recovery device being the main evaporator and the economizer, prior to the exit of the gases to the atmosphere. <IMAGE>
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