What Is the Application of Zirconia Oxygen Analyzer in Power Plants

What Is the Application of Zirconia Oxygen Analyzer in Power Plants

Zirconia oxygen analyzers play a crucial role in power plants, with applications spanning various aspects, from safety to ensuring production quality. Below are the main applications of zirconia oxygen analyzers in power plants:

Working Principle

Zirconia oxygen analyzers are devices that measure the dissolved oxygen content in water using zirconia sensors. Their principle is based on the electrochemical properties of zirconia sensors. When oxygen molecules come into contact with the zirconia electrode, a series of electrochemical reactions occur. To determine the dissolved oxygen content in water, one can measure the electrical signals generated by these reactions. This measurement method, characterized by its speed, accuracy, and stability, is suitable for various water quality environments.

Ziconix Oxygen Analyzer

Water Quality Monitoring

With the development of industry and increasing awareness of environmental protection, water quality monitoring has become increasingly important in various fields. In power plants, water is a crucial factor directly affecting the efficiency and lifespan of power generation equipment. Zirconia oxygen analyzers play an indispensable role in water quality monitoring in power plants, and their application has become one of the standards for modern power plant water quality monitoring.

In power plants, zirconia oxygen analyzers are mainly used to monitor the dissolved oxygen content in boiler feedwater and boiler circulating water. Dissolved oxygen is an important indicator in water, directly affecting the corrosion of boilers and steam generators and the formation of corrosion products. Excessive dissolved oxygen content can lead to corrosion of metal components, reduce equipment lifespan, and increase maintenance costs. Conversely, insufficient dissolved oxygen content can cause boiler water pump cavitation, affecting the normal operation of boilers. Therefore, by monitoring the dissolved oxygen content in boiler feedwater and circulating water, water quality anomalies can be promptly detected, and corresponding measures can be taken to adjust and ensure the safe operation of boiler equipment.

In addition to dissolved oxygen content, zirconia oxygen analyzers can also be used to monitor parameters such as conductivity and pH value in water. Conductivity is an important indicator for measuring the content of dissolved substances in water and can reflect the purity of water and changes in conductivity. pH value, on the other hand, reflects the acidity or alkalinity of water. Monitoring these parameters is equally crucial for preventing water quality issues and ensuring equipment safety.

In practical applications, operators typically integrate zirconia oxygen analyzers with automated control systems to achieve real-time monitoring of water quality parameters and data recording. Once the system detects water quality anomalies, it can automatically issue alerts and take corresponding measures, such as adjusting the dosage of chemical additives or activating standby water treatment equipment, to ensure the safe operation of the equipment.

In summary, zirconia oxygen analyzers are irreplaceable in water quality monitoring in power plants. By monitoring water quality parameters in real-time, they help power plants promptly detect and address water quality issues, ensuring the safe operation of power generation equipment and improving the production efficiency and economic benefits of power plants. With the continuous advancement of technology, it is believed that the application of zirconia oxygen analyzers in power plants will be further expanded and improved.

Zirconia Oxygen Analyzer

Safety Control

Power plants use boilers to generate steam to drive turbines and generate electricity. In boilers, when water comes into contact with high-temperature metal surfaces, corrosion and erosion may occur, leading to equipment damage and safety hazards. In order to monitor and control these processes, zirconia oxygen analyzers are widely used.

The role of zirconia oxygen analyzers in safety control in power plants is mainly manifested in the following aspects:

Corrosion Monitoring

Zirconia oxygen analyzers can monitor the content of zirconia in water in real-time, thereby promptly detecting the corrosion situation of metal surfaces. Once corrosion exceeds the normal range, the system will automatically alarm, notifying operators to take corresponding measures to avoid equipment damage.

Erosion Control

In addition to corrosion monitoring, zirconia oxygen analyzers can also detect the content of metal ions in water, thereby controlling the erosion process in water. Timely adjusting water quality to prevent erosion from damaging equipment.

Water Quality Control

The water quality of the boiler in the power plant directly affects the safe operation of equipment. Zirconia oxygen analyzers can continuously monitor water quality to ensure compliance with safety requirements, preventing malfunctions and accidents caused by water quality issues.

Early Warning System

Power plant monitoring systems typically connect zirconia oxygen analyzers, allowing for remote monitoring and operation. When anomalies arise, the system automatically issues alerts, prompting relevant personnel to promptly address them, thereby ensuring equipment and personnel safety.

Fuel Analysis

Users can utilize zirconia oxygen analyzers for fuel analysis and monitoring, particularly in monitoring the combustion process of coal and gas. By monitoring the zirconia content in fuel, they can adjust the supply and combustion process of fuel to enhance combustion efficiency and reduce emissions.

Monitor the zirconia content in fuel

Zirconia is a stable compound with excellent chemical stability and thermal stability under high temperature and pressure, hence widely used in high-temperature environments such as nuclear reactors and fuel cells. In fuel analysis, zirconia oxygen analyzers evaluate the purity and quality of fuel by measuring the content of zirconia in samples, ensuring the combustion efficiency and stability of fuel.

Detect impurities in fuel and control the composition of fuel

During the power generation process, impurities in fuel may affect the combustion process and equipment operation, even leading to equipment damage and accidents. By using zirconia oxygen analyzers, impurity content in fuel can be monitored timely, and fuel blending can be adjusted based on monitoring results to ensure the purity and stability of fuel, thus guaranteeing the safety and stability of power generation process.

Monitor the combustion process of fuel

During the fuel combustion process, fuel and oxygen undergo chemical reactions in a high-temperature environment, generating energy and combustion products. Utilizing zirconia oxygen analyzers enables real-time monitoring of the combustion process of fuel, including combustion rate, temperature, and generation of combustion products. This allows for timely adjustments to fuel supply and combustion parameters, thereby improving combustion efficiency and reducing the generation of emissions.

In conclusion, the role of zirconia oxygen analyzers in fuel analysis in power plants is crucial. They can help power plants monitor and control the composition and combustion process of fuel in real-time, ensuring the quality and stability of fuel, and safeguarding the safety and efficiency of the power generation process.


Environmental Protection

The role of zirconia oxygen analyzer in environmental protection in power plants is extremely important. It is mainly used to monitor the wastewater and exhaust emissions of power plants, helping them comply with environmental regulations and standards. By monitoring the zirconia content in wastewater and exhaust gases, it can promptly detect and control the emission levels, reducing pollution to the environment.

Monitoring oxygen content during combustion

The zirconia oxygen analyzer can real-time monitor the oxygen content inside the combustion chamber, ensuring sufficient combustion process and reducing the generation of harmful gases such as carbon monoxide and nitrogen oxides.

Detecting gas composition during combustion

In addition to monitoring oxygen content, the zirconia oxygen analyzer can also detect other gases produced during combustion, such as sulfur dioxide, carbon monoxide, and nitrogen oxides, promptly identifying anomalies and making adjustments to ensure emissions meet environmental standards.

Implementing low nitrogen combustion technology

The zirconia oxygen analyzer can assist power plants in implementing low nitrogen combustion technology by precisely controlling the oxygen supply during combustion, reducing the generation of nitrogen oxides and consequently lowering their emission levels, thus reducing pollution to the atmospheric environment.

Improving power generation efficiency

By accurately controlling the combustion process, the zirconia oxygen analyzer can enhance combustion efficiency, reduce energy consumption, decrease fuel usage, consequently lowering emissions of greenhouse gases like carbon dioxide, thus mitigating the trend of global climate warming.

Ensuring environmental safety

The zirconia oxygen analyzer can real-time monitor various parameters during combustion processes, promptly identifying combustion anomalies or malfunctions, providing warnings and taking measures to prevent fires or explosions, thereby ensuring personnel and environmental safety.

In conclusion, the zirconia oxygen analyzer plays a significant role in environmental protection in power plants, not only helping to control pollutant emissions during combustion processes but also improving power generation efficiency, reducing energy consumption, and ensuring environmental and personnel safety. Therefore, power plants should prioritize and widely apply zirconia oxygen analyzer technology in environmental protection efforts.

Remote type Ziconia Oxygen Analyser

Quality Control

Operators can utilize zirconia oxygen analyzers for quality control throughout the production processes in power plants, including monitoring temperature and pressure during boiler combustion and observing the operational status of power generation equipment. Timely and accurate monitoring of these parameters allows for adjustments to production processes to ensure that product quality meets standard requirements.

Water Quality Monitoring

Zirconia oxygen analyzers enable monitoring of the chemical composition of water in boilers and steam generators, including oxides, alkaline substances, salts, etc. By monitoring water quality, operators can promptly identify potential problems in the water and take appropriate measures to avoid equipment corrosion, scaling, etc., ensuring long-term stable operation of equipment.

Corrosion Control

Zirconia oxygen analyzers can monitor the content of oxidative and reductive substances in water, which is crucial for preventing equipment corrosion. Timely monitoring of the content of corrosive substances in water enables adjustment of the dosage of water treatment chemicals, controlling the pH value and oxidation-reduction potential of water, thereby reducing equipment corrosion losses.

Scaling Control

Salts and hardness substances in water are prone to scaling on the surfaces of equipment, affecting heat transfer efficiency and equipment operation efficiency. Zirconia oxygen analyzers can monitor the content of salts and hardness substances in water, promptly identifying water quality anomalies, and taking appropriate measures to prevent scaling, such as timely cleaning of equipment, adjusting the dosage of water treatment agents, etc.

Safety Monitoring

Power plant boilers and steam generators are high-temperature and high-pressure equipment, and abnormal water quality may lead to equipment explosions or other safety accidents. Zirconia oxygen analyzers can monitor changes in water quality in real-time, promptly alerting and taking emergency measures once anomalies are detected, ensuring the safety of equipment and personnel.

Energy Saving and Emission Reduction

By precisely monitoring and controlling water quality, we can reduce the dosage of water treatment chemicals, lower energy consumption and chemical costs, and also decrease the generation of wastewater and waste during water treatment processes, thus achieving the goal of energy saving and emission reduction.

In summary, zirconia oxygen analyzers play an irreplaceable role in power plants, ensuring safe and stable operation of equipment and high-performance production quality by accurately monitoring and controlling water quality. They also make significant contributions to energy conservation and emission reduction efforts in power plants.


In conclusion, the application of zirconia oxygen analyzers in power plants covers various aspects such as water quality monitoring, safety control, fuel analysis, environmental protection, and quality control, making it one of the essential tools to ensure the safe and stable operation and production quality of power plants.

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