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Tongaat Hulett Limited
| Tongaat Hulett Limited Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20110297331 | Continuous Vacuum Pan - This invention relates to a continuous vacuum pan for use in the sugar processing industry, and more particularly but not exclusively, to a vertical, double calandria, continuous vacuum pan. The vacuum pan includes a vessel having a first enclosed chamber and a second enclosed chamber. A first heat exchanger is located in the first chamber, with a first vapour space defined in the first chamber above the first heat exchanger. A second heat exchanger located in the second chamber, with a second vapour space defined in the second chamber above the second heat exchanger. The first heat exchanger and the second heat exchanger both have heat transfer medium inlets, and the vacuum pan is characterized therein that the heat transfer medium inlet of the second heat exchanger is in flow communication with the first vapour space, in order for vapour contained in the first vapour space to be conveyed through the second heat exchanger as heat transfer medium. | 12-08-2011 |
| 20110220100 | CONTINUOUS VACUUM PAN AND INTERNAL INSULATION ARRANGEMENT THEREOF - This invention relates to a continuous vacuum pan (also sometimes referred to as an evaporative crystallizer) for use in the sugar processing industry, and to a heat exchanger used inside the continuous vacuum pan. The invention also relaters to the heat exchanger as used in other applications in the sugar processing industry. The heat exchanger includes a massecuite flow path for conveying massecuite therethrough, and a heat transfer medium flow path for receiving a heat transfer medium to enable heat transfer to the massecuite flow path. The heat exchanger is characterized therein that a periphery thereof is surrounded by an insulated zone in order to prevent heat transfer from the heat transfer medium flow path to the environment. | 09-15-2011 |
| 20110017302 | Rotary Distribution Apparatus Incorporating Interstage Pumps - The invention concerns a rotary distribution apparatus ( | 01-27-2011 |