Comprehensive monitoring system for corrosion of boiler four tubes

NegotiableUpdate on 02/15

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

The comprehensive monitoring system for corrosion of boiler four tubes adopts modular design, and each monitoring unit can be independently maintained. The standard data traceability function stores the latest monitoring records, and supports remote viewing of real-time curves and historical trend analysis through mobile devices, providing quantitative decision-making basis for preventing boiler four tube explosion and leakage accidents.

Product Details

Comprehensive monitoring system for corrosion of boiler four tubesIt is a real-time corrosion monitoring solution developed for key heating surfaces of boilers in thermal power plants, including water-cooled walls, reheaters, superheaters, and economizers. The system continuously collects the dissolved hydrogen content in various parts of the steam water samples through high-precision hydrogen sensors, with a sensitivity of up to ppb level, which can detect hydrogen permeation phenomena on the pipe wall caused by acid corrosion, oxygen corrosion or stress corrosion at an early stage.

The water-cooled wall monitoring module uses a high-temperature resistant probe directly inserted into the downcomer to reflect in real-time the risk of hydrogen damage caused by abnormal pH values in the boiler water; The reheater and superheater monitoring units are equipped with a dual channel sampling system to synchronously detect the difference in hydrogen concentration between the steam phase and the liquid phase; The monitoring process of the economizer eliminates the interference of impurities in the feedwater through a multi-stage filtration device. All monitoring data is transmitted to the central processor through anti-interference optical fibers, and a dynamic corrosion rate model is established based on temperature and pressure parameters. When the hydrogen concentration exceeds the preset threshold, a multi-level warning mechanism is automatically triggered, and the water quality is adjusted through the DCS system linked with the dosing device.

The system adopts a modular design, and each monitoring unit can be independently maintained. The standard data traceability function stores the latest monitoring records, and supports remote viewing of real-time curves and historical trend analysis through mobile devices, providing quantitative decision-making basis for preventing boiler four tube explosion and leakage accidents.

Measure gases H2, O2, pH value, and conductivity

Measurement range: Dissolved hydrogen: 0-2000 μ g/L, Dissolved oxygen: 0-100 μ g/L, pH: 0-14, Conductivity: 0-20 μ S/cm

Technical principles: Thermal conductivity detection, polarographic electrode, ion selective electrode, dual electrode

Application areas: Industries that require boiler operation, such as thermal power plants, chemical plants, steel plants, petroleum refineries, paper mills, food processing plants, pharmaceutical plants, and nuclear power plants

Comprehensive monitoring system for corrosion of boiler four tubesProduct Features

Trace hydrogen monitoring with an accuracy of ≤ 0.1 μ g/L

Optimization and Adjustment Technology for Unit Chemical Water Working Conditions

Online monitoring technology for corrosion and oxidation of "four pipes"

Online monitoring technology for corrosion rate of "four pipes"

Digital Twin Comprehensive Early Warning Technology

technical indicators

Product Name	Trace hydrogen monitoring system for corrosion of boiler four tubes	Trace hydrogen monitoring system for boiler water-cooled wall corrosion	Boiler Steam Water Corrosion Trace Hydrogen Monitoring System	Boiler Four Tube Corrosion Trace Element Monitoring System
Product Model	GW-6080M	GW-6080B1	GW-6080B2	GW-6080P
Feature Overview	By monitoring trace amounts of hydrogen in water samples from four boiler tubes, the degree of oxide scale detachment can be determined	By monitoring trace amounts of hydrogen in water samples from four boiler tubes, the degree of oxide scale detachment can be determined	By monitoring trace amounts of hydrogen in boiler water-cooled wall and superheater water samples, the degree of oxide scale detachment can be determined	Comprehensive evaluation of corrosion status of boiler four tubes through trace hydrogen in water samples and multi-element parameters in water
monitoring factor	Hydrogen content of soda water in four pipes	Hydrogen content of steam and water in water-cooled walls	Hydrogen content of steam and water in water-cooled walls and superheaters	Hydrogen content, pH value, conductivity, and dissolved oxygen of steam and water in the four pipes
Detection Principle	Thermal conductivity testing			Thermal conductivity detection, polarographic electrode, ion selective electrode, dual electrode
Detection range	0~2000μg/L;			Dissolved hydrogen: 0-2000 μ g/L Dissolved oxygen: 0-100 μ g/L pH:0-14 Conductivity: 0-20 μ S/cm
System airtightness	The pressure drop within 15 minutes shall not exceed 2% of the test pressure
measurement accuracy	≤0.1μg/L			Dissolved hydrogen: ≤ 0.1 μ g/L Dissolved oxygen: ± 0.3mg/L (saturated water); Zero oxygen water: ≤ 2 μ g/L pH:±0.1pH Conductivity: ± 5 μ S/cm
repetitiveness	≤1.5%			Dissolved hydrogen: ≤ 1.5% Dissolved oxygen: ≤ 0.2mg/L (saturated water); Zero oxygen water: ≤ 0.5 μ g/L pH:≤0.1pH Conductivity:<0.5 μ S/cm
display function	High definition 10 inch color touch screen
system language	Chinese/English switchable
Wired communication interface	RS485/RS232/Analog/TCP
wireless communication	4G、WiFi
Operation method	Touch screen operation, remote operation
Automatic calibration	Zero/Range Automatic Calibration
data storage	Detection data>20000 pieces; Alarm record data: 1500 records
Protection level	IP65
Electromagnetic Interference Resistance	National Standard
Working temperature/humidity	5℃-45℃/0-95%RH
service life	more than 10 years

Technical Principle

The oxide scale inside the supercritical boiler tube is generated by a chemical reaction between the metal surface on the steam side of the high-temperature heating surface and the high-temperature and high-pressure steam. Under high temperature and high pressure steam conditions, steam inside the tube

At that time, the metal wall of the water pipe and the superheater in this section had undergone thousands of rapid changes in temperature and pressure.

锅炉四管腐蚀综合监测系统

Application scenarios

The online monitoring system for oxidation and corrosion of boiler "four tubes" is mainly used in thermal power plants, chemical plants, steel plants, petroleum refineries, paper mills, food processing plants, pharmaceutical plants, and nuclear power plants