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Device and method for for rapid warming of steam piping of a power plant

一种发电设备、蒸汽的技术，应用在机械设备、蒸汽机装置、发动机元件等方向，能够解决发电设备整体效率降低等问题

Inactive Publication Date: 2010-06-09
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the overall efficiency of power generation equipment may decrease

Method used

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  • Device and method for for rapid warming of steam piping of a power plant
  • Device and method for for rapid warming of steam piping of a power plant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] refer to figure 1 , provides a steam power plant 1, which includes flow piping, such as steam piping 10, thereby interconnecting a heat generator and a high-pressure steam turbine (HPST) 30, and a main steam control system arranged along the piping upstream of the HPST 30 A valve (MSCV) 20 to allow steam to enter the HPST 30 when the characteristics of the steam meet a threshold.

[0029] During start-up of the steam power plant 1 no steam is allowed to enter the HPST 30 unless the steam has a certain minimum temperature and / or a certain minimum pressure based on the operating specifications of the HPST 30 . At the start-up of the power plant 1, depending on the state before the start-up of the power plant, the pressure and temperature of the steam generated by the steam generator at the upstream of the MSCV 20 will not meet certain minimum values ​​due to improper heating and discharge of the steam pipe 10 .

[0030] To ensure that the MSCV 20 is not opened until the...

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PUM

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Abstract

The invention relates to a device and method for rapid warming of steam piping of a power plant, concretely a steam power plant, in which steam from a steam generator is received by a steam turbine, is provided and includes a conduit, a main steam control valve (MSCV) disposed along the conduit to admit the steam to the steam turbine when a characteristic thereof satisfies a threshold, a bypass line, coupled to the conduit between a super-heater and a valve, including a bypass line valve which is opened until the threshold is satisfied such that the bypass line removes a portion of the steam,an evacuator line, coupled to the conduit between the MSCV and the steam turbine, including an evacuator valve which is opened to regulate a thermal environment within the steam turbine during a start up thereof, and a warming line originating between the valve and the MSCV on the conduit and terminating downstream of the evacuator valve disposed along the evacuator line.

Description

technical field [0001] The present invention relates to steam power generation equipment, and more particularly, to a device and method for rapid heating of steam pipes of steam power generation equipment. Background technique [0002] Typically, a steam power plant includes a heat source; a steam generator by which steam is generated at multiple pressure levels and heated to a desired superheating level by the heat of the heat source; and a system such as a steam turbine in which the steam is used by expansion in the steam turbine for generate electricity. [0003] In such power plants, the steam produced in this way is transported along steam lines to a steam turbine. Typically, upstream of the steam turbine there is a main steam control valve (MSCV) positioned in the steam line. During steam turbine start-up, the MSCV remains closed until the steam in the steam line reaches a certain minimum condition (ie, minimum temperature and / or pressure). [0004] Once the minimum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K7/18F01K11/02F01D17/10F01D15/10
CPCF01K13/02
Inventor T·潘查特萨拉姆A·巴沙
Owner GENERAL ELECTRIC CO
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