| 摘要 |
An installation comprising a high pressure steam turbine module (1), a medium pressure steam turbine module (2), and at least one low pressure steam turbine module (3), sealing devices (100, 101, 200, 300) being positioned between a rotating turbine shaft (5) and corresponding casings (10, 20, 30) of the various turbine modules, each of the modules comprising a main chamber (1', 2', 3') in which the turbine is housed, the installation comprising:
- a first collection chamber (C1) positioned in the casing (10) of the high pressure module (1) so as to collect the steam leaks (F11) leaving said high pressure module (1) through its sealing device (100, 101) at a pressure greater than atmospheric pressure, and
- an injection chamber (Ca, Cb) positioned in the casing (30) of the low pressure module (3) and connected by a first circuit (61) to the first collection chamber (C1) in such a way that the steam is transferred from the first collection chamber (C1) toward the injection chamber (Ca, Cb), and then toward the main chamber (3') of the low pressure module (3) through (F31a, F31b) its sealing device (300a, 300b). |
