| 摘要 |
<p>The installation consists of a coffee pre-roasting drum, with discharge opening communicating with a conveyor to hopper for feeding a second drum. Into the hopper also enters a sugar pouring device. In the second drum takes place the main roasting of the coffee mixed with sugar. The hot air from both drums is conducted to a container for recovering the heat and burning the fumes, in which a second heat source operates. A cooling chamber connected to a pneumatic installation for forced circulation of air.</p> |
