A high temperature corrosion monitoring system for water wall based on real-time monitoring of CO

A high-temperature corrosion and monitoring system technology, which is applied in the control of fluid heaters, the indication of boiler working conditions, lighting and heating equipment, etc. The process is convenient and fast, avoiding pollution, and ensuring the effect of monitoring accuracy

Active Publication Date: 2022-07-01
HUANENG POWER INT CO LTD DEZHOU POWER PLANT +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When the combustion boiler is in use, the internal water-cooled wall is prone to high-temperature corrosion, mainly because when the CO content in the flue gas near the wall is high, the flue gas is in a strong reducing atmosphere, and there are a large amount of H2S and other gases in the flue gas , so it is easy to cause high temperature corrosion of the water wall
[0003] When monitoring the CO content in a traditional combustion boiler, a detector is usually set at the exhaust gas discharge position of the boiler, and the CO content in the exhaust gas is monitored by the detector, but this monitoring method cannot monitor the inside of the boiler in real time CO content, needs to be improved
[0004] For the related technologies mentioned above, the inventor believes that there is a defect that the CO content inside the boiler cannot be monitored in real time

Method used

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  • A high temperature corrosion monitoring system for water wall based on real-time monitoring of CO
  • A high temperature corrosion monitoring system for water wall based on real-time monitoring of CO
  • A high temperature corrosion monitoring system for water wall based on real-time monitoring of CO

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Embodiment Construction

[0035] Attached to the following Figure 1-4 This application will be described in further detail.

[0036] The embodiment of the present application discloses a high-temperature corrosion monitoring system for a water-cooled wall based on CO real-time monitoring. refer to figure 1 , the monitoring system includes an installation frame 1 and a plurality of monitoring tubes 2, the installation frame 1 is a rectangular frame and is vertically fixed on the outer wall of the boiler. A plurality of monitoring tubes 2 are horizontally fixed on the installation frame 1, wherein the plurality of monitoring tubes 2 are evenly distributed along the height direction of the installation frame 1, and one end of which is connected to the interior of the boiler to realize sampling at different heights of the boiler.

[0037] refer to figure 2 , image 3 , a valve plate 3 is arranged vertically in the middle of the monitoring pipe 2 , and the periphery of the valve plate 3 is pressed again...

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Abstract

The present application relates to a high-temperature corrosion monitoring system for a water-cooled wall based on CO real-time monitoring. A valve plate for blocking the monitoring pipe is vertically arranged in the pipe, the upper end of the valve plate penetrates the monitoring pipe and is vertically slidably connected to the monitoring pipe, and a valve rod is vertically arranged on the upper end of the valve plate; The sealing plate at the rear and fitted with the valve plate, the sealing plate is horizontally slidably connected to the monitoring tube, and the end away from the valve plate is horizontally provided with a driving rod extending to the outside of the monitoring tube; it also includes a concentration detector for detecting the concentration of CO. The detector is connected with a plurality of monitoring probes, the monitoring probes are embedded in the monitoring pipe and located behind the valve plate, and a space for accommodating the sealing plate is left between the monitoring probes and the valve plate. The present application has the effect of monitoring the CO content inside the boiler in real time.

Description

technical field [0001] The application relates to the field of boiler monitoring, and in particular, to a high temperature corrosion monitoring system for water walls based on CO real-time monitoring. Background technique [0002] When the combustion boiler is in use, the internal water wall is prone to high temperature corrosion, mainly when the CO content in the near wall flue gas is high, the flue gas is in a strong reducing atmosphere, and there is a large amount of H2S and other gases in the flue gas. , so it is easy to cause high temperature corrosion of the water wall. [0003] When monitoring the CO content in the traditional combustion boiler, a detector is usually set at the exhaust emission position of the boiler, and the CO content in the exhaust gas is monitored by the detector, but this monitoring method cannot monitor the inside of the boiler in real time. The CO content needs to be improved. [0004] Regarding the above-mentioned related technologies, the i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F22B37/38F24H9/20F24H15/10F24H15/20
CPCF22B37/38F24H9/20
Inventor 刘国刚王栩王垚李杰冯春侯逊赵子龙张华东陈建亮马东森刘兴力李涛陶巍康小维高建强危日光赵大鹏赵欢
Owner HUANENG POWER INT CO LTD DEZHOU POWER PLANT
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