Rotary tube kiln
US11959704B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 10, 2019 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Jun 25, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D2099/0078
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A rotary tube kiln, with a rotatably mounted rotary tube, which has a motorized drive, a mounting, a material inlet and a material outlet, wherein the interior space of the rotary tube has a process space, the inside atmosphere of which is separate from the outside atmosphere. The process space is sealed off from a pressure space by means of a first seal and the pressure space is sealed off from the outside atmosphere by means of a second seal and, by means of a pressing device, a first pressing force can be applied to the first seal and a second pressing force can be applied to the second seal, the first pressing force can be set independently of the second pressing force and, during operation, the internal pressure of the pressure space is higher than the internal pressure of the process space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.