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Method for determining real-time higher and lower calorific values of fuel gas in gas turbine power plant

A high-low level, electromechanical power plant technology, applied in the field of power engineering, can solve the problems of lack of accuracy of basic data, inability to reflect real-time fluctuations of gas parameters in real time, and affect power plants, etc., to achieve the effect of improving the level of refined management

Active Publication Date: 2016-10-12
国电投(珠海横琴)热电有限公司 +1
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Problems solved by technology

However, the calorific value of gas in gas turbine power plants is generally measured off-line by the power plant, which cannot reflect the real-time fluctuations of gas parameters in real time. At the same time, the measurement results of the power plant are often limited to one of the high-level calorific value or the low-level calorific value, which will seriously affect the basis for power plant performance calculations Lack of data and accuracy of subsequent calculations

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  • Method for determining real-time higher and lower calorific values of fuel gas in gas turbine power plant
  • Method for determining real-time higher and lower calorific values of fuel gas in gas turbine power plant
  • Method for determining real-time higher and lower calorific values of fuel gas in gas turbine power plant

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Embodiment Construction

[0021] The present invention comprises the following steps:

[0022] 1) Calculate the real-time composition of combustible gas in the gas turbine

[0023] Based on the thermal power plant plant-level monitoring information (SIS system for short) platform, real-time collection of gas composition parameters, including non-combustible gas composition CO 2 Mole fractionX 1 , N in gas 2 Mole fractionX 2 ,..., other non-combustible gas mole fraction X n A total of n parameters, as well as the combustible gas content in the gas obtained in real time, including the methane mole fraction C 1 , ethane mole fraction C 2 , propane mole fraction C 3 ,..., other combustible gas mole fraction C m Wait for m parameters.

[0024] If the combustible gas composition and the mole fraction of the corresponding components are measured in real time in the power plant, and Then the real-time combustible composition of the gas is determined.

[0025] 2) Determine the high calorific value of...

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Abstract

The invention discloses a calculation method for determining real-time higher and lower calorific values of fuel gas in a gas turbine power plant. Physical attributes of the fuel gas in the gas turbine power plant are acquired in real time, and actual higher and lower calorific values of current fuel gas are calculated, so that necessary reference and supplementation are provided for laboratory value analysis of the fuel gas calorific values of the gas turbine power plant, more accurate calculation data is provided for consumption difference analysis of heat consumption, gas consumption and the like of the power plant, and the refined management level of the power plant is improved.

Description

technical field [0001] The invention belongs to the power engineering industry, and in particular relates to a method for determining the real-time high and low calorific value of gas in a gas turbine power plant. Background technique [0002] In recent years, the plant-level monitoring information of thermal power plants (SIS system for short) has become an essential item in the information construction of thermal power plants. The consumption difference analysis and energy saving analysis based on the SIS system have been widely used, and the calorific value data of fuel is very important. . However, the calorific value of gas in gas turbine power plants is generally measured off-line by the power plant, which cannot reflect the real-time fluctuations of gas parameters in real time. At the same time, the measurement results of the power plant are often limited to one of the high-level calorific value or the low-level calorific value, which will seriously affect the basis f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/063G06Q50/06Y02P90/82Y04S10/50
Inventor 罗睿王智微吴涛柴胜凯
Owner 国电投(珠海横琴)热电有限公司
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