Multi-end-face self-regulation starting steam turbine shaft end sealing device
A shaft end sealing and self-regulating technology, applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve problems such as seal failure and leakage
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[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0027] Such as Figure 1-5 As shown, a multi-face self-regulating shaft end sealing device for a steam turbine includes a casing, a rotating shaft 1 , a moving ring seat 5 and a pressure regulator 18 . A medium fluid cavity is provided between the casing and the rotating shaft 1, and for a steam turbine, the medium fluid in the medium fluid cavity is steam.
[0028] In order to facilitate the expression of the structural relationship of each component, the present invention distinguishes the left and right of the shaft end sealing device.
[0029] The casing includes a casing 2 , a static ring seat 3 and an end cover 4 connected in sequence. The left end surface of the static ring seat 3 is fixedly connected with the casing 2 by screws, and the right end surface of the static ring seat 3 is fixedly connected with the end cover 4 by ...
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