Introduction to Catalytic denitrification, SCR denitration advantages, characteristics and principles
Catalytic denitrificationis an efficient, stable and environment-friendly flue gas denitrification technology.,is a popular Catalytic denitrification,is a kind of Catalytic denitrification manufactured by One-combustion energy saving。
1、Brief introduction of Catalytic denitrification
Catalytic denitrificationdelective catalytic reduction technology is an efficient flue gas denitrification technology.。
Catalytic denitrification
2、Catalytic denitrification characteristics
The Catalytic denitrification features are as follows:
- High denitration efficiency
- Small secondary pollution
- selectivity
- high efficiency
- Strong adaptability
The denitration efficiency of Catalytic denitrification technology can reach more than 90%, and it is a widely used post-combustion denitration technology at present.
The by-products produced in the Catalytic denitrification opening process are nitrogen and water vapor, and there is no secondary pollution problem.
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.
Gate technology can effectively remove NOx from flue gas, and the denitrification efficiency can usually reach more than 90%.
Catalytic denitrification technology can meet the needs of flue gas denitrification under different working conditions and has a wide range of applications.
Catalytic denitrification
3、Catalytic denitrification function
Catalytic denitrificationmultifunctional, with functions such as Improve working conditions, Improve energy efficiency, Improve working conditions, Promote sustainable development and Improve energy efficiency,features include Good selectivity, Strong adaptability, Mature technology, Efficient denitration and Mature and stable technology,Stable operation,Economically feasible,High denitration efficiency,Stable operation,Mature technology。
Catalytic denitrification
4、Catalytic denitrification structure
The Catalytic denitrification structure is introduced as follows:
- Reducing agent storage and supply system
- Catalytic reduction reaction
- Reactor
- Reducing agent supply
- control system
Used to store and supply reducing agent (such as ammonia or urea solution) to the reactor.
Under the action of catalyst, the reductant and NOx in flue gas undergo selective catalytic reduction reaction to generate nitrogen and water vapor.
It is the core component of Catalytic denitrification technology, and it is equipped with catalyst to promote the chemical reaction between reductant and NOx.
Reducing agents such as liquid pure ammonia or ammonia water (aqueous solution of ammonia) are evaporated and mixed with diluted air or flue gas.
The whole Catalytic denitrification is automatically controlled to ensure the stable operation of the system and achieve the expected denitration effect.
Catalytic denitrification
5、Catalytic denitrification work site real shot
High-definition picture shooting for various Catalytic denitrification, all-round display, exquisite appearance, excellent quality and trustworthy.。
Catalytic denitrification
Note: All the pictures in this article were taken by One-combustion energy saving manufacturer.。
6、Functional advantages of Catalytic denitrification
Catalytic denitrifications have the following advantages.
- Wide applicability
- Intelligent control and convenience of operation
- Environmental friendliness
- Diversity and high efficiency of catalysts
- economic viability
Catalytic 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 Catalytic 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.
The Catalytic denitrification has gradually realized intelligent control. By integrating advanced control system and sensor technology, the Catalytic 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.
The by-products produced by Catalytic 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 Catalytic 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.
There are many kinds of catalysts used in the Catalytic 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 Catalytic denitrification technology to maintain high efficiency of denitration in a wider temperature range and more complex flue gas conditions.
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 Catalytic denitrification technology can significantly reduce the environmental emission cost of enterprises and avoid fines and legal risks due to illegal emissions. In addition, Catalytic denitrification technology can also reduce operating costs and improve the economic benefits of enterprises by recycling heat energy.
Catalytic denitrification
Catalytic denitrificationis an efficient, stable and environment-friendly flue gas denitrification technology.,the main structure includes Flue gas mixing and distribution system, control system, Catalyst supply system, Temperature control and monitoring system, Catalyst reactor and so on。
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