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Device for online monitoring and controlling residual service life of durable components of steam turbine and method

A steam turbine, durable technology, applied in the field of steam turbines, can solve the problems of creep life loss, unreasonable use of remaining life of durable parts of steam turbines, low cycle fatigue life, etc.

Active Publication Date: 2009-10-21
SHANGHAI POWER EQUIP RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since large steam turbines have more than a dozen durable parts, most of which are high-temperature durable parts, there is a loss of creep life, so only the monitoring and control of the low-cycle fatigue life of the steam turbine rotor cannot make reasonable use of the remaining life of the durable parts of the steam turbine

Method used

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  • Device for online monitoring and controlling residual service life of durable components of steam turbine and method
  • Device for online monitoring and controlling residual service life of durable components of steam turbine and method
  • Device for online monitoring and controlling residual service life of durable components of steam turbine and method

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Embodiment

[0068] Such as figure 1 Shown is a block diagram of the online monitoring and control device used in the present invention. The online monitoring and control device for the remaining life of durable parts of the steam turbine consists of a computing server, a database server, a web server, a client browser, and plant-level monitoring information The device (SIS device) consists of the web server connected to the client browser, database server and computing server respectively, and the computing server is connected to the database server. The database server is connected to the plant-level monitoring information device (SIS device) and the steam turbine digital electro-hydraulic control device (DEH) connection.

[0069] Such as figure 2 Shown is a flowchart of the method used in the present invention, such as image 3 Shown is a block diagram of the computer software used in the calculation server. The software is installed on the calculation server for the remaining life of the...

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Abstract

The invention provides a device for online monitoring and controlling residual service life of durable components of a steam turbine. The invention is characterized in that the device consists of a compute server, a database server, a web server, a user browser and a plant supervisory information device (SIS device); the web server is connected with the user browser, the database server and the compute server respectively; the compute server is connected with the database server which is connected with a digital electric-hydraulic control device (DEH) of the steam turbine by the plant supervisory information device (SIS device). The invention has the advantages of providing the device for online monitoring and controlling residual service life of durable components of the steam turbine and being capable of realizing online computing and controlling of the residual service life of durable components of the steam turbine.

Description

Technical field [0001] The invention relates to an on-line monitoring and control device and method for the remaining life of durable parts of a steam turbine, and belongs to the technical field of steam turbines. Background technique [0002] Durable parts of steam turbines are characterized by large size and high cost. Among the 16 durable parts of a steam turbine, high pressure rotor, medium pressure rotor, high pressure inner cylinder, medium pressure inner cylinder, high pressure outer cylinder, medium pressure outer cylinder, high pressure nozzle chamber, high pressure main steam valve housing, and medium pressure main steam valve housing 13 durable parts such as high-pressure regulating valve housing, middle-pressure regulating valve housing, high-pressure steam pipes, and middle-pressure steam pipes are high-temperature durable parts, and 3 durable parts such as low-pressure rotor, low-pressure inner cylinder and low-pressure outer cylinder are low-temperature durable par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418F01D21/00F01D15/10
CPCY02P90/02
Inventor 史进渊杨宇邓志成周昭伟汪勇
Owner SHANGHAI POWER EQUIP RES INST
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