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Probe for measuring composition of combustion-supporting gas

A combustion-supporting gas and gas technology, which is applied to the structural details of gas analyzers, measuring devices, and analyzing gas mixtures, etc., can solve the problems of non-real-time measurement and delay, and achieve the best response time and less stress.

Pending Publication Date: 2021-07-23
CMR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, measurements made with this probe are not real-time, or at least have some delay, due to the time delay of the gas passing through the ceramic wall

Method used

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  • Probe for measuring composition of combustion-supporting gas
  • Probe for measuring composition of combustion-supporting gas
  • Probe for measuring composition of combustion-supporting gas

Examples

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Embodiment Construction

[0072] The target probe of the present invention is used to measure the composition of combustion-supporting gas. The latter is more specifically the gas used as a combustion aid in gas appliances such as gas heat engines, gas burners, gas boilers, gas turbines, and gas furnaces. The gas can also be circulated in lines belonging to a gas pipeline-like distribution network.

[0073] The probe is especially used for the control of gas appliances regardless of the gas quality changes. The probe can better control the appliance by acting on one or several of the following parameters when the gas quality changes: gas and / or air injection velocity, air-gas ratio, ignition advance, etc.

[0074] The gas to be analyzed can be, for example, methane (CH 4 ), ethane (C 2 h 6 ), propane (C 3 h 8 ), isobutane (i-C 4 h 10 ), n-butane (n-C 4 h 10 ), hydrogen (H 2 ), carbon monoxide (CO), carbon dioxide (CO 2 ) or gaseous mixtures of these compounds.

[0075] Gas composition meas...

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Abstract

The invention relates to a probe comprising a spectrometer (4) capable of measuring the composition of a combustion-supporting gas after analysis of at least one portion (F13) of a light beam having interacted with the combustion-supporting gas, the spectrometer comprising: a light source (40) capable of emitting a light beam (F), an optical device comprising optical elements (50) which are configured: to guide, towards the gas (G) to be analyzed, at least one portion (F11) of the light beam, and to guide, towards a detector (41), a portion (F13) of the light beam having interacted with the gas (G), wherein: the probe (S) comprises a cage (12) suitable for being removably installed inside a channel (C) through which the gas (G) to be analyzed flows, the cage (12) being configured to permit a flow of the gas through the cage, at least one portion (F11, F12) of the light beam propagating through the cage (12) so as to be able to interact with the gas (G), the cage (12) serving as holder for an optical reflector (51) capable of reflecting, towards the detector (41), the portion (F11, F12) of the light beam that propagates through the cage and that has interacted with the gas (G), characterized in that the cage (12) is formed by an elongate tube the sidewall of which contains apertures (120) distributed over the perimeter of the wall and configured to allow the gas to pass radially through the tube, the combined area of the apertures representing more than 50% of the area of the wall of the tube, and preferably more than 80%.

Description

technical field [0001] The object of the invention is a probe for measuring the composition of combustion-supporting gases. The subject of the invention is also a system for measuring the composition of combustion-supporting gases comprising such a probe. [0002] The invention relates to the technical field of real-time analysis of combustion-supporting gas components, in particular to the analysis directly in a combustion-supporting gas circulation pipeline by in-situ spectroscopy. It is particularly suitable, but not limited to, for monitoring the quality of combustion-supporting gas supplied to appliances using this gas as fuel. Background technique [0003] The measurement of the composition of the combustion-supporting gas is particularly meaningful for monitoring the quality of the combustion-supporting gas, which is supplied to gas appliances such as gas heat engines, gas burners, gas boilers, gas turbines, and gas furnaces. In fact, the gas composition may change ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/85G01N21/3504G01N21/359G01N30/74G01N33/22G01N33/00G01N25/18G01N27/18G01N21/31G01N21/15G01N21/27
CPCG01N21/15G01N21/274G01N21/3504G01N21/359G01N21/8507G01N25/18G01N33/0009G01N33/225G01N2021/3181G01N2021/8521G01N2021/8557G01N2021/8578G01N30/32
Inventor 帕特里斯·弗洛马蒂亚斯·迪格内东
Owner CMR GRP
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