What is a Low temperature catalytic denitrification? Introduction to the Working Principle of SCR denitration

Low temperature catalytic denitrificationdelective catalytic reduction technology is an efficient flue gas denitrification technology.。

1、Brief introduction of Low temperature catalytic denitrification

Low temperature catalytic denitrificationthat is, selective catalytic reduction technology is a technology used to reduce the emission of nitrogen oxides in flue gas.，Simple structure and reliable operation.，structure mainly includes: Catalyst supply system, Temperature control and monitoring system, Catalyst reactor, Flue gas mixing and distribution system, control system and so on，the product looks atmospheric.。

Low temperature catalytic denitrification

2、Introduction of Low temperature catalytic denitrification characteristics

Low temperature catalytic denitrification has the following characteristics

1. high efficiency

Gate technology can effectively remove NOx from flue gas, and the denitrification efficiency can usually reach more than 90%.

2. 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.

3. Strong adaptability

Low temperature catalytic denitrification technology can meet the needs of flue gas denitrification under different working conditions and has a wide range of applications.

4. Strong adaptability

Low temperature catalytic denitrification technology can meet the needs of flue gas denitrification under different working conditions and has a wide range of applications.

5. 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.

Low temperature catalytic denitrification

3、Structural advantages of Low temperature catalytic denitrification

The Low temperature catalytic denitrification has the following structure

1. Reducing agent storage and supply system

Used to store and supply reducing agent (such as ammonia or urea solution) to the reactor.

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. 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.

4. Reactor

It is the core component of Low temperature catalytic denitrification technology, and it is equipped with catalyst to promote the chemical reaction between reductant and NOx.

5. 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.

Low temperature catalytic denitrification

4、Low temperature catalytic denitrification application

Low temperature catalytic denitrificationIt is a product series that integrates Promote sustainable development, environmental protection, Improve product quality, Flue gas denitrification and Meet the requirements of environmental protection，it is mainly composed of Flue gas mixing and distribution system, Temperature control and monitoring system, control system, Catalyst supply system and Catalyst reactor，it 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.，was developed and designed by One-combustion energy saving。

Low temperature catalytic denitrification

5、Functional advantages of Low temperature catalytic denitrification

Low temperature catalytic denitrifications have the following advantages.

1. Intelligent control and convenience of operation

The Low temperature catalytic denitrification has gradually realized intelligent control. By integrating advanced control system and sensor technology, the Low temperature 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.

2. Diversity and high efficiency of catalysts

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

3. Wide applicability

Low temperature 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 Low temperature 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.

4. 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 Low temperature catalytic denitrification technology can significantly reduce the environmental emission cost of enterprises and avoid fines and legal risks due to illegal emissions. In addition, Low temperature catalytic denitrification technology can also reduce operating costs and improve the economic benefits of enterprises by recycling heat energy.

5. Mature and stable technology

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

Low temperature catalytic denitrification

6、Low temperature catalytic denitrification characteristics

The Low temperature catalytic denitrification features are as follows:

1. Stable operation and stability

The technology runs stably and reliably, and is suitable for various scenarios with large changes in flue gas flow, composition and concentration.

2. 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.

3. High denitration efficiency

The denitration efficiency of Low temperature catalytic denitrification technology can reach more than 90%, and it is a widely used post-combustion denitration technology at present.

4. Mature technology

After years of development and application, Low temperature catalytic denitrification technology is very mature and has a wide application prospect.

5. Small secondary pollution

The by-products produced in the Low temperature catalytic denitrification opening process are nitrogen and water vapor, and there is no secondary pollution problem.

Low temperature catalytic denitrification

Low temperature catalytic denitrificationit has been widely used in Gas power plant, iron and steel plant, coal-fired power station, building materials, coal-fired power station and other industries，features include Efficient denitration, Less secondary pollution, Good selectivity, Strong adaptability and Stable operation。