| 摘要 |
A rotatably supported pressure vessel is disclosed for treating product under high pressure. A pressure medium is supplied to the pressure vessel through two separate supply conducts feeding the pressure medium under different pressures. When supplying the pressure medium to the pressure vessel, in a first step the pressure medium is supplied under lower pressure. During this step, the pressure within the pressure vessel is monitored. When a predetermined pressure is reached indicating that the feed opening of the pressure vessel is completely closed by an associated cover, the pressure medium is supplied under high pressure. The pressure medium source may either comprise a high pressure supply and a lower pressure supply, or two separate supply conducts of substantially different cross-sectional areas are provided to provide different pressure differentials.
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