Introduction to Industrial quenching furnace denitrification system and SCR flue gas denitrification working principle

Industrial quenching furnace denitrification systemthe full name is selective catalytic reduction technology, which is an advanced flue gas denitrification technology.。The following is to introduce the Industrial quenching furnace denitrification system:

1、Brief introduction of Industrial quenching furnace denitrification system

Industrial quenching furnace denitrification systemit refers to the process of removing nitrogen oxides from flue gas to reduce environmental pollution. NOx is a pollutant harmful to the atmospheric environment, which has strong irritation and toxicity, and will lead to environmental problems such as acid rain and photochemical smog, and also endanger human health. The main principle of flue gas denitrification technology is to reduce NOx to nitrogen and water by adding appropriate reducing agent or catalyst in the combustion process or flue gas treatment system, so as to reduce NOx emission.，the advantage is There are many kinds of catalysts used in the technology, including vanadium-based catalysts and titanium-based catalysts, which can promote the chemical reaction between reductant and NOx at a lower temperature. At the same time, the active components and carrier materials of the catalyst are constantly being developed and improved to improve its catalytic efficiency and service life. This enables the Industrial quenching furnace denitrification system technology to maintain efficient denitrification capability in a wider temperature range and more complex flue gas conditions.、The technology is suitable for many industries and processes, such as coal-fired power plants, iron and steel smelting, cement production and so on. These industries will produce a large number of NOx emissions in the production process, and the Industrial quenching furnace denitrification system technology can provide effective denitrification solutions for them. In addition, the gate technology can be adjusted and optimized according to different flue gas components and emission requirements to meet different denitration requirements.、There are many kinds of catalysts used in the technology, including vanadium-based catalysts and titanium-based catalysts, which can promote the chemical reaction between reductant and NOx at a lower temperature. At the same time, the active components and carrier materials of the catalyst are constantly being developed and improved to improve its catalytic efficiency and service life. This enables the Industrial quenching furnace denitrification system technology to maintain efficient denitrification capability in a wider temperature range and more complex flue gas conditions.、Intelligent control is gradually realized. By integrating advanced control system and sensor technology, the Industrial quenching furnace denitrification system can monitor the composition and emission concentration of flue gas in real time, and automatically adjust the injection amount of reductant and the active state of catalyst to ensure the stability and reliability of denitrification efficiency.、The by-products produced by the technology are mainly nitrogen and water vapor, which are harmless to the environment and will not cause secondary pollution. Compared with the traditional wet flue gas denitrification technology, the Industrial quenching furnace denitrification system technology does not need to use a lot of water resources and will not produce pollutants such as wastewater, which is more in line with the requirements of environmental protection and sustainable development.，the product looks atmospheric.。

Industrial quenching furnace denitrification system

2、Introduction of Industrial quenching furnace denitrification system characteristics

Industrial quenching furnace denitrification system has the following characteristics

1. Strong adaptability

Industrial quenching furnace denitrification system technology can meet the needs of flue gas denitrification under different working conditions and has a wide range of applications.

2. selectivity

Under the action of catalyst, the reducing agent mainly reacts with NOx selectively, but less with other components (such as oxygen) in flue gas, thus reducing unnecessary consumption.

3. Environmental protection

The final products of Industrial quenching furnace denitrification system technology are harmless nitrogen and water vapor, which will not cause secondary pollution to the environment.

4. Small secondary pollution

The by-products produced in the Industrial quenching furnace denitrification system opening process are nitrogen and water vapor, and there is no secondary pollution problem.

5. energy saving and environmental protection

This technology can effectively reduce NOx emission in flue gas, reduce environmental pollution, and at the same time, it has stable operation and low energy consumption, which meets the requirements of energy saving and environmental protection.

Industrial quenching furnace denitrification system

3、Working principle of Industrial quenching furnace denitrification system

Industrial quenching furnace denitrification systemat work,Catalysts are used to promote the selective catalytic reduction reaction between reducing agents (such as ammonia and urea) and NOx in flue gas. Under the action of catalyst, the reductant preferentially reacts with NOx to generate harmless nitrogen and water vapor, but hardly reacts with oxygen in flue gas. This chemical reaction is usually carried out in the temperature range of 200-450℃, and the specific reaction temperature depends on the type of catalyst selected.，is developed and improved by One-combustion energy saving。

Industrial quenching furnace denitrification system

4、Functional advantages of Industrial quenching furnace denitrification system

The advantages of Industrial quenching furnace denitrification system are as follows:

1. economic viability

The initial investment of this technology may be high, but in the long run, its economic feasibility is remarkable. The high-efficiency denitration ability of Industrial quenching furnace denitrification system technology can significantly reduce the environmental emission cost of enterprises and avoid fines and legal risks due to illegal emissions. In addition, Industrial quenching furnace denitrification system technology can also reduce operating costs and improve the economic benefits of enterprises by recycling heat energy.

2. Intelligent control and convenience of operation

The Industrial quenching furnace denitrification system has gradually realized intelligent control. By integrating advanced control system and sensor technology, the Industrial quenching furnace denitrification system can monitor the composition and emission concentration of flue gas in real time, and automatically adjust the injection amount of reductant and the active state of catalyst to ensure the stability and reliability of denitrification efficiency.

3. Environmental friendliness

The by-products produced by Industrial quenching furnace denitrification system technology are mainly nitrogen and water vapor, which are harmless to the environment and will not cause secondary pollution. Compared with the traditional wet flue gas denitrification technology, the Industrial quenching furnace denitrification system technology does not need to use a lot of water resources and will not produce pollutants such as wastewater, which is more in line with the requirements of environmental protection and sustainable development.

4. Diversity and high efficiency of catalysts

There are many kinds of catalysts used in the Industrial quenching furnace denitrification system technology, including vanadium-based catalysts and titanium-based catalysts, which can promote the chemical reaction between reductant and NOx at low temperature. At the same time, the active components and carrier materials of the catalyst are constantly being developed and improved to improve its catalytic efficiency and service life. This enables the Industrial quenching furnace denitrification system technology to maintain high efficiency of denitration in a wider temperature range and more complex flue gas conditions.

5. Mature and stable technology

Industrial quenching furnace denitrification system technology has been developed and applied for many years, and the technology is mature and stable. The Industrial quenching furnace denitrification system has high reliability and stability, and can maintain stable denitrification efficiency under various working conditions. In addition, the Industrial quenching furnace denitrification system technology has good adaptability and adjustability, and can be adjusted and optimized according to different flue gas components and emission requirements.

Industrial quenching furnace denitrification system

5、Industrial quenching furnace denitrification system customer scene picture

Industrial quenching furnace denitrification system are widely used. The following is a multi-directional display diagram of Industrial quenching furnace denitrification system, and the details are full of quality and intelligence.。

Industrial quenching furnace denitrification system

Note: All the pictures in this article were taken by One-combustion energy saving manufacturer.。

Industrial quenching furnace denitrification systemat work,Ammonia gas or other suitable reducing agent (such as urea aqueous solution) is sprayed into the flue gas upstream of the catalyst at high temperature. Under the action of catalyst, the reducing agent selectively reacts with nitrogen oxides (NOx) in flue gas to generate pollution-free nitrogen and water vapor. Because NH3 is selective, it only reacts with NOx and basically does not react with O2, so this technology is called selective catalytic reduction denitrification.，the main structure includes control system, Temperature control and monitoring system, Catalyst supply system, Flue gas mixing and distribution system and Catalyst reactor，Industrial quenching furnace denitrification systemSimple structure and reliable operation.。