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Burning monitoring method, device and system for natural gas burner

A technology of natural gas and burners, which is applied in the direction of combustion methods, control of combustion, and adjustment of fuel supply, etc., to achieve the effects of reducing major risks, solving hysteresis, and improving accuracy

Active Publication Date: 2017-09-19
SIEMENS ENERGY GLOBAL GMBH & CO KG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method can only control the risk of overheating in natural gas combustion, and cannot avoid combustion instability and increased nitrogen oxide emissions

Method used

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  • Burning monitoring method, device and system for natural gas burner
  • Burning monitoring method, device and system for natural gas burner
  • Burning monitoring method, device and system for natural gas burner

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Embodiment Construction

[0045] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0046] After reading the following description it will be apparent to those skilled in the art that the teachings of the present invention may be readily employed in combustion monitoring and control systems. The method, system and device described in the present invention are applicable to premix burners or diffusion burners. Preferably, the present invention can be applied in a gas turbine (Gas Turbine).

[0047] figure 1 It shows a str...

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Abstract

The invention provides a burning monitoring method, device and system for a natural gas burner. The method comprises the steps that by obtaining the measuring result of a gas analyzer to natural gas sampled from a gas inlet pipeline and according to a control model arranged in advance, control information corresponding to the measuring result is determined; and the flow of the natural gas in the gas inlet pipeline of the natural gas burner is adjusted. The natural gas burner can be precontrolled, and the main risk of burning of the natural gas burner is reduced.

Description

technical field [0001] The invention relates to the field of burners, in particular to a combustion monitoring method, device and system for a natural gas burner. Background technique [0002] As the hydrogen content in natural gas gradually increases, natural gas becomes more and more dangerous. Compared with pure methane, hydrogen has a higher flammability range, and it is flammable when the volume is from 4% to 75%, while methane is 5% to 15%, the ignition energy is 15 times smaller than methane, and the burning speed is 8 times higher than methane , so it is more explosive than methane. [0003] The main potential risks for the combustion of natural gas burners in the state of high hydrogen content are: [0004] - Burner overheating due to flash back due to high reactivity of hydrogen; [0005] - Combustion instabilities caused by chemical changes due to the faster movement of hydrogen compared to natural gas combustion; [0006] - Increased NOx emissions due to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23N5/00F23N5/02
CPCF23N5/00F23N5/02F23N1/005F23N5/242F23N2221/10F23N2231/20F23N2241/20
Inventor 吕松军佰索德·科斯特林唐仕云佰恩德·普拉德
Owner SIEMENS ENERGY GLOBAL GMBH & CO KG
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