| 发明名称 | Yankee dryer for drying a pulp web | ||
| 摘要 | The invention relates to a Yankee dryer (1) made of steel with a cylindrical steel shell (2) that is closed off at each end by a cylinder end cover (3, 4). According to the invention the Yankee dryer (1) has a one-piece central shaft (7) with a first and a second connecting flange (8, 9) to join the central shaft (7) to the end covers (3, 4), where the diameter of the first connecting flange (8) is smaller than the diameter of the opening (6) in the second end cover (4) so that the central shaft (7) can be pushed through this opening (6) into the Yankee cylinder (1). The invention also refers to a manufacturing process for a Yankee dryer (1). | ||
| 申请公布号 | US8919008(B2) | 申请公布日期 | 2014.12.30 |
| 申请号 | US201113068246 | 申请日期 | 2011.05.06 |
| 申请人 | Andritz AG | 发明人 | Bauböck Jörg;Tropper Gernot |
| 分类号 | F26B13/18;D21F5/02 | 主分类号 | F26B13/18 |
| 代理机构 | Alix, Yale & Ristas, LLP | 代理人 | Alix, Yale & Ristas, LLP |
| 主权项 | 1. In a Yankee dryer (1) made of steel with a cylindrical shell (2) that is connected to coaxial first and second end covers (3, 4), where the end covers (3, 4) each have a circular opening (5, 6) centered on the cylinder axis, the improvement comprising a one-piece rotatable central shaft (7) extending coaxially through the shell with a first and a second connecting flange (8, 9) respectively joining the central shaft (7) to the first and second end covers (3, 4) for rotating the cylindrical shell, wherein the first connecting flange (8) has a diameter that is smaller than the diameter of the opening (6) in the second end cover (4) such that the central shaft (7) can pass through the opening (6) in the second end cover. | ||
| 地址 | Graz AT | ||