Fuel gas thermal power plant gland seal and vacuum system and start-stop control method thereof
A technology for vacuum systems and thermal power plants, applied in the directions of preventing leakage, engine components, machines/engines, etc., which can solve the problems of reduced thermal efficiency of steam turbines, uneven cooling and heating of steam turbine shafts, and inability to improve thermal efficiency of power plant thermal systems.
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[0065] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0066] An embodiment of the present invention provides a shaft seal and vacuum system of a gas-fired thermal power plant. The shaft seal and vacuum system of a gas-fired thermal power plant includes: a vacuum system and a shaft seal system.
[0067] Such as figure 1 As shown, the vacuum system includes: a first vacuum pump system, a second vacuum pump system and a third vacuum pump system.
[0068] Among them, the first vacuum pump system includes: #1 steam-w...
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