| 摘要 |
<p>Hearth for a wine still for making Cognac, has one or more gas burners and gives an even distribution of heat. It has a large combustion chamber, variable-thickness plates to equalise the temp., double gas channels and a buffer zone at the exit edges. The still vessel bottom is convectively heated at reduced speed, the gas outlet from the buffer zone is below the level of vessel bottom.</p> |
