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Probe for measuring pressure fluctuations in combustion turbine combustors

A technology for detectors, gas turbines, used in the field of detectors to solve problems such as distortion, attenuated signals, and does not allow accurate and redundant pulsation measurements

Active Publication Date: 2019-05-21
ANSALDO ENERGIA IP UK LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Basically, neither of the two currently available methods allows for accurate and redundant pulsation measurements: multiple pressure transducers outside the enclosure will not capture the full frequency range of interest, since in the case of pressure transducers mounted on the back However, they are not close enough to the burner and long line detectors, and suffer from frequency-dependent attenuation and signal distortion

Method used

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  • Probe for measuring pressure fluctuations in combustion turbine combustors
  • Probe for measuring pressure fluctuations in combustion turbine combustors
  • Probe for measuring pressure fluctuations in combustion turbine combustors

Examples

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Embodiment Construction

[0070] figure 1 An embodiment of the claimed detector 100 is shown. exist figure 1 On the left side of , a sensor holder 1 with three pressure transmitters 2 , a semi-infinite tube 3 , and a guide tube 4 can be seen. exist figure 1 On the right-hand side of , the compensating device and the drum for the semi-infinite tube 3 can be seen. as from figure 1 It can be seen that the guide line 4 is supported by the housing 15 and the compensating means. The details of the detector 100 are described with reference to the following figures. The end of the detector 100 (in figure 1 on the left-hand side) for installation in, for example, the flue socket of a gas turbine, which has been incorporated in DE 10 2007 035 013 A1 figure 2 explained. In other words: The claimed detector 100 can be used as an improved solution for the detector described in DE 10 2007 035 013 A1.

[0071] figure 2 A cross-sectional view of a sensor holder 1 with three pressure transmitters 2 and a...

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Abstract

A probe for measuring high frequent pressure oscillations of hot gases that combine redundancy of the output signals with high quality of the output signals.

Description

technical field [0001] The present invention relates to probes for measuring pressure fluctuations. It relates in particular to probes for measuring pressure fluctuations in gas turbine combustors. It also relates to the use of the detector according to the invention. Background technique [0002] The pressure fluctuations that occur in the combustors of modern gas turbines (so-called burner pulsations or combustion pulsations, often also referred to simply as pulsations) provide an important indication of the combustion quality, especially when premix burner technology is used. Under adverse conditions, combustor pulsation can reach an amplitude where the mechanical integrity of gas turbine components is at risk. This means that permanent monitoring of burner pressure fluctuations is now essentially indispensable. Due to the high temperatures, the direct detection of the occurring pressure fluctuations requires high temperature resistant pressure sensors which on the one...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L23/00
CPCG01L23/26G01L19/0609G01L19/0681G01L23/08G01L23/085
Inventor H.金N.诺瓦雷B.许尔曼斯D-R.帕哈里D.拉科维奇
Owner ANSALDO ENERGIA IP UK LTD