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Oxygen analyzer diversion probe assembly

A technology of oxygen analysis and components, which is applied in the field of oxygen content detection equipment, can solve the problems that affect the normal operation and service life of detection components, no filtering system, soot clogging, etc.

Active Publication Date: 2021-08-20
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually there is a gap at the joint between the draft tube and the probe, and the probe itself has no filtering system, so there is a problem of soot clogging, which affects the normal operation and service life of the detection element

Method used

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  • Oxygen analyzer diversion probe assembly
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Embodiment Construction

[0031] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Apparently, the described embodiment is one embodiment of the present invention, but not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs.

[0033] Aiming at the problems of lack of filter devices and soot clogging in the prior art, the present invention adopts the method of adding a first-stage filt...

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Abstract

The present invention provides a diversion probe assembly for an oxygen analyzer, which includes: an oxygen detection unit, which is used to detect the oxygen content in the gas to be measured, and the oxygen detection unit includes an oxygen sensitive element and is arranged on a filter assembly upstream of the oxygen sensitive element; and a main pipe, the main pipe is used to guide the gas to be measured to pass through the oxygen detection unit, and the oxygen detection unit is accommodated in the main pipe. The diversion probe assembly of the oxygen analyzer also includes a filter unit arranged at the end of the main conduit. The secondary filtration of the gas to be tested is achieved through the filter unit and the filter assembly of the oxygen detection unit, so as to ensure the purity of the gas reaching the oxygen sensitive element, prevent the soot or particulate matter in the gas from damaging the oxygen sensitive element, and prevent Soot or particulate matter clogs the tubing, greatly extending the life of the oxygen analyzer diversion probe assembly.

Description

technical field [0001] The invention relates to an oxygen content detection device, in particular to a diversion probe assembly of a zirconia-based oxygen analyzer. Background technique [0002] Currently, the oxygen content in high-temperature flue gas is mainly measured by zirconia-based sensors. The diversion in-line structure design idea proposed in the prior art more effectively overcomes the disadvantages of shortened probe life caused by flue gas scouring and response time lag in the withdrawable oxygen analyzer, that is, it ensures that the in-line oxygen The sensitivity of the analyzer also achieves the purpose of prolonging the service life, and also saves some parts of the withdrawable oxygen analyzer. [0003] The diversion in-line oxygen analyzer is characterized by a short detector that is embedded in the sampling conduit. The sampling conduit is also called the draft tube, and its size can be determined according to requirements. The function of the draft t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/22G01N33/00
CPCG01N1/2205G01N33/0036
Inventor 王维华贾铁军李艳壮丛中斗朱全成王学山李卫国韩晓滨黄继东韩月奇
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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