Introduction to High temperature and low dust SCR flue gas denitrification and SCR flue gas denitrification working principle

High temperature and low dust SCR flue gas denitrificationdelective catalytic reduction technology is an efficient flue gas denitrification technology.，the advantage is 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 High temperature and low dust SCR flue gas denitrification 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.、Technology has been developed and applied for many years, and it is mature and stable. The High temperature and low dust SCR flue gas denitrification has high reliability and stability, and can maintain stable denitrification efficiency under various working conditions. In addition, the High temperature and low dust SCR flue gas denitrification technology has good adaptability and adjustability, and can be adjusted and optimized according to different flue gas components and emission requirements.、The initial investment of technology may be high, but in the long run, its economic feasibility is remarkable. The high-efficiency denitration ability of High temperature and low dust SCR flue gas denitrification technology can significantly reduce the environmental emission cost of enterprises and avoid fines and legal risks due to illegal emissions. In addition, High temperature and low dust SCR flue gas denitrification technology can also reduce operating costs and improve the economic benefits of enterprises by recycling heat energy.、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 High temperature and low dust SCR flue gas denitrification 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.、It is famous for its high-efficiency denitration ability, which can usually reach more than 90% denitration efficiency. This means that the High temperature and low dust SCR flue gas denitrification technology can significantly reduce the concentration of nitrogen oxides (NOx) in flue gas and make it meet strict environmental protection emission standards. This high-efficiency denitration ability is mainly due to the promotion of the catalyst, which makes the chemical reaction between reductant and NOx more rapid and thorough.，at the start of the operation,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.，it is widely used incement plant,coal-fired power station,Gas power plant,iron and steel plant,Gas power plant and other industries，was developed and designed by One-combustion energy saving。The following is to introduce the High temperature and low dust SCR flue gas denitrification:

1、Brief introduction of High temperature and low dust SCR flue gas denitrification

High temperature and low dust SCR flue gas denitrificationit 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 product looks beautiful.，Simple structure and reliable operation.，it is mainly composed of Temperature control and monitoring system, Flue gas mixing and distribution system, Catalyst reactor, Catalyst supply system and control system。

High temperature and low dust SCR flue gas denitrification

2、High temperature and low dust SCR flue gas denitrification structure composition

The High temperature and low dust SCR flue gas denitrification has the following structure

1. Temperature control and monitoring

The temperature in the catalyst reactor is maintained within the optimal reaction temperature range through the temperature control and monitoring system.

2. Temperature control and monitoring system

It is used to monitor and control the temperature of the reactor to ensure that the chemical reaction is carried out in the optimal temperature range.

3. Catalytic reduction reaction

Under the action of catalyst, the reductant and NOx in flue gas undergo selective catalytic reduction reaction to generate nitrogen and water vapor.

4. Reducing agent supply

Reducing agents such as liquid pure ammonia or ammonia water (aqueous solution of ammonia) are evaporated and mixed with diluted air or flue gas.

5. Flue gas mixing and distribution system

Ensure that the flue gas and reducing agent are fully mixed in the reactor to improve the denitrification efficiency.

High temperature and low dust SCR flue gas denitrification

3、Advantages of High temperature and low dust SCR flue gas denitrification principle

High temperature and low dust SCR flue gas denitrificationin the course of 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.，It can be used for Promote sustainable development, Improve product quality, Flue gas denitrification, environmental protection, Meet the requirements of environmental protection, Promote sustainable development and so on，the main features are Environment friendly, Mature and stable technology, Economically feasible, Stable operation and Less secondary pollution，is a popular High temperature and low dust SCR flue gas denitrification，be loved by our customers.。

High temperature and low dust SCR flue gas denitrification

4、Functional advantages of High temperature and low dust SCR flue gas denitrification

High temperature and low dust SCR flue gas denitrifications have the following advantages.

1. Environmental friendliness

The by-products produced by High temperature and low dust SCR flue gas denitrification 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 High temperature and low dust SCR flue gas denitrification 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.

2. Wide applicability

High temperature and low dust SCR flue gas denitrification 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 High temperature and low dust SCR flue gas denitrification 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.

3. 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 High temperature and low dust SCR flue gas denitrification technology can significantly reduce the environmental emission cost of enterprises and avoid fines and legal risks due to illegal emissions. In addition, High temperature and low dust SCR flue gas denitrification technology can also reduce operating costs and improve the economic benefits of enterprises by recycling heat energy.

4. Diversity and high efficiency of catalysts

There are many kinds of catalysts used in the High temperature and low dust SCR flue gas denitrification 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 High temperature and low dust SCR flue gas denitrification technology to maintain high efficiency of denitration in a wider temperature range and more complex flue gas conditions.

5. Intelligent control and convenience of operation

The High temperature and low dust SCR flue gas denitrification has gradually realized intelligent control. By integrating advanced control system and sensor technology, the High temperature and low dust SCR flue gas denitrification 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.

High temperature and low dust SCR flue gas denitrification

5、High temperature and low dust SCR flue gas denitrification function

High temperature and low dust SCR flue gas denitrificationmultifunctional, with functions such as Promote sustainable development, Improve working conditions, Promote sustainable development, environmental protection and Improve energy efficiency。

High temperature and low dust SCR flue gas denitrification

6、High temperature and low dust SCR flue gas denitrification HD real picture

The panoramic shooting of One-combustion energy saving High temperature and low dust SCR flue gas denitrification is shown as follows.。

High temperature and low dust SCR flue gas denitrification

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

High temperature and low dust SCR flue gas denitrificationMature technology,Stable operation,Promote sustainable development,Strong adaptability,Strong adaptability，it has the functions of Improve working conditions, Promote sustainable development, Improve working conditions, environmental protection and Improve energy efficiency，widely used in building materials, coal-fired power station, metallurgy, cement plant, cement plant and other fields。