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Steam dumping device for nuclear power plants

A technology of dumping device and nuclear power plant, which is applied in the direction of steam engine device, safety device of power plant, nuclear power plant, etc.

Active Publication Date: 2020-02-28
GENERAL ELECTRIC TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, the solutions shown above still do not provide optimum efficiency in directing the steam correctly into the condenser to avoid damage to the neck of the condenser due to vibration and / or thermal expansion and the large flows of nuclear power plants

Method used

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  • Steam dumping device for nuclear power plants
  • Steam dumping device for nuclear power plants
  • Steam dumping device for nuclear power plants

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Experimental program
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Embodiment Construction

[0030] Reference Figure 4 , Shows a side view of the header container 3, which forms a part of the steam dumping device (not shown in the figure) according to the present invention. The header vessel 3 is configured for installation along a bypass line (not shown) leading from the boiler to the condenser, and is specifically designed for cooling from the boiler to the condenser without progressing to the turbine to generate useful work Steam. As mentioned above, this bypass line can be used during power plant startup or shutdown, or in situations where the turbine may have problems that would require steam to bypass the turbine stage during normal operation.

[0031] More specifically, the header container 3 exhibits an elongated shape, which extends horizontally in a support structure (not shown). Preferably, the header container 3 has a substantially cylindrical shape with elliptical terminal heads 31, 32 at both ends thereof. The device 14 for receiving steam preferably in ...

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Abstract

The present invention generally relates to a nuclear power plant, and more particular to a steam dump device (100, 200) for the nuclear power plant. The steam dump device (100, 200) according to the invention provides an optimum efficiency in terms of properly guiding the steam into the condenser (2) and avoids damages of the condenser neck due to vibration and / or thermal expansion.

Description

Technical field [0001] The present invention relates generally to a nuclear power plant, and more particularly to a steam dumping device and condenser for a nuclear power plant. Background technique [0002] It is well known that in power plants, the steam dumping device is typically located downstream of the bypass line, which is arranged between the boiler and the condenser. For example, such bypass lines are required during start-up or shutdown operations of power plants where the steam has a high content of water, which may damage turbine blades. [0003] The turbine bypass system thus allows start-up and rapid turbine offload, which includes turbine tripping, without causing reactor tripping or pressure relief valve operation. The function of the dump steam diffuser is to reduce the pressure of the dump steam in stages, and to reduce the heat of the dump steam before it enters the condenser. [0004] For this purpose, the steam dumping device allows steam to be introduced into...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01K3/00F01K9/00F28B5/00F28B9/02
CPCF01K3/002F01K9/00F28B5/00F28B9/02F01K9/04F22G5/12Y02E30/00G21D1/00F01K9/003F22B35/04F22B37/002F22G5/123G21D3/04
Inventor A.赛勒T.T.沃
Owner GENERAL ELECTRIC TECH GMBH