US 2020/0149435 A1 · PRESERVATION METHOD

Abstract

A power plant and method for preserving a power plant, the power plant having a steam turbine with a shaft, further including a condenser mounted downstream of the steam turbine in the direction of flow of the steam, a vacuum pump mounted downstream of the condenser, a compressed steam system with shaft seals, and a compressed steam supply line extending into the shaft seals; a first nitrogen line extends into the condenser, and a second nitrogen line as well as a recirculation line that branches off the vacuum pump extend into the compressed steam supply line.

Claims14

Dependent claims

A power plant comprising:

a steam turbine with a shaft,
a condenser connected downstream of the steam turbine in the direction of steam flow,
a vacuum pump connected downstream of the condenser,
a compressed steam system with shaft seals and a compressed steam supply line leading into the shaft seals,
a first nitrogen line which leads into the condenser, and
a second nitrogen line and a recirculation line branching off from the vacuum pump which lead into the compressed steam supply line.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/496,186Filed 10 Apr 2018

Priority

DE 10 2017 206 196.011 Apr 2017

Published

14 May 2020

Term ends

Not estimatedThe source records don’t support an estimate.

Classification9 codes

F01K 13/02
General layout or general methods of operation of complete plants: controlling, e.g. stopping or starting
F01D 11/04
By non-contact sealings, e.g. of labyrinth type: using sealing fluid, e.g. steam
F01D 21/00
Shutting-down of machines or engines
F01D 25/00
Component parts, details, or accessories, not provided for in, or of interest

Preservation method

Life of this patent

Preservation method

Life of this patent

Abstract

Claims14