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Matrix technology-based water-cooled wall thinning on-line monitoring method

A water-cooled wall and water-cooled wall tube technology, applied in the field of non-destructive testing, can solve the problems of manual testing, time-consuming and laborious, and achieve the effect of accurate results and effective positioning

Pending Publication Date: 2021-12-21
HUADIAN QUDONG POWER GENERATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The application name submitted by our company is "a wear-proof and explosion-proof grid layout control detection method" and the application number is "2021106001173". The application achieves full coverage of the inspection area and no omissions in key areas; The efficiency is steadily improved; the data records are more standardized, and the problem areas are more intuitive; the analysis data is compared, and the corrosion rate is dynamically grasped; however, this method requires manual inspection after shutdown, which is time-consuming and laborious

Method used

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  • Matrix technology-based water-cooled wall thinning on-line monitoring method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1 of the present invention: a method of monitoring water-free wall thinning based on matrix technology, including the following steps:

[0026] S1, determine the transverse wire and longitudinal line on the back of the water-cooled wall back, determine the number of transverse lines according to the number of layers of the burner, is equidistant from the transverse wire, the plurality of transverse lines, and multiple vertical lines vertical. Cross, get a plurality of intersections, the intersection is the sensor mounting point, labeled the sensor mounting point of the sensor on the water-cooled wall back side, and records the data information of the sensor mounting point in the central control chamber;

[0027] S2, install the sensor on each sensor mount point on the back fire on the water-cooled wall, the sensor mounting point is the sampling point, the sensor passes the insulation layer, the receiving wire, and the plurality of wires are collected to the micro...

Embodiment 2

[0031] Embodiment 2 of the present invention: a method based on matrix technology online monitoring of water-free wall thinning, including the following steps:

[0032] S1, determine the transverse wire and longitudinal line on the back of the water-cooled wall back, determine the number of transverse lines according to the number of layers of the burner, is equidistant from the transverse wire, the plurality of transverse lines, and multiple vertical lines vertical. Cross, get a plurality of intersections, the intersection is the sensor mounting point, labeled the sensor mounting point of the sensor on the water-cooled wall back side, and records the data information of the sensor mounting point in the central control chamber;

[0033] S2, install the sensor on each sensor mount point on the back fire on the water-cooled wall, the sensor mounting point is the sampling point, the sensor passes the insulation layer, the receiving wire, and the plurality of wires are collected to th...

Embodiment 3

[0038] Embodiment 3 of the present invention: a method of monitoring water-free wall thinning based on matrix technology, including the following steps:

[0039]S1, determine the transverse wire and longitudinal line on the back of the water-cooled wall back, determine the number of transverse lines according to the number of layers of the burner, is equidistant from the transverse wire, the plurality of transverse lines, and multiple vertical lines vertical. Cross, get a plurality of intersections, the intersection is the sensor mounting point, labeled the sensor mounting point of the sensor on the water-cooled wall back side, and records the data information of the sensor mounting point in the central control chamber;

[0040] S2, install the sensor on each sensor mount point on the back fire on the water-cooled wall, the sensor mounting point is the sampling point, the sensor passes the insulation layer, the receiving wire, and the plurality of wires are collected to the microp...

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Abstract

The invention discloses a matrix technology-based water-cooled wall thinning on-line monitoring method, which comprises the following steps: firstly, determining a transverse line and a longitudinal line, determining a sensor mounting point which is a sampling point, monitoring the sampling point by a sensor in real time in an on-line manner to carry out first-time measurement and data acquisition, and after a unit runs for t million hours, carrying out acquisition of data for second measurement, and finally, calculating the corrosion rate through the central control room according to the first measurement data, the second measurement data and the operation time t, and evaluating and predicting whether the water wall tube is replaced or not according to the corrosion rate. The high-temperature corrosion thinning degree of the water-cooled wall is monitored online in real time, boiler parameter adjustment, early warning and water-cooled wall loss and safety state diagnosis are facilitated, the corrosion rate and the wall thickness allowance can be visually displayed, boiler high-temperature corrosion treatment is digitalized and intelligent, and the method has important guiding significance for mastering the high-temperature corrosion rate of the boiler in a power plant, guiding the blending combustion work of coal as fired and optimizing the maintenance period.

Description

Technical field [0001] The present invention relates to a method based on matrix technology online monitoring of water-free wall thinning, belonging to the field of non-destructive testing. Background technique [0002] Our application name is "a grid cloth control method for anti-wear explosion-proof" application number "2021106001173", which has been fully covered by the inspection area, and no omissions in key areas; inspection work process, work The efficiency is steady; the data record is more standardized, the problem area is more intuitive; the analysis data is compared, the corrosion rate is dynamically mastered; however, the method needs to perform manual detection after downtime. Inventive content [0003] SUMMARY OF THE INVENTION An object of the present invention is to provide a method based on matrix technology to monitor water-cold wall thinning, the present invention utilizes a sensor to perform real-time online monitoring, realizing a traditional downtime, the co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/08G01N17/00
CPCG01B21/08G01N17/006
Inventor 王浩李先超徐涛毕锋石李峰
Owner HUADIAN QUDONG POWER GENERATION CO LTD
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