Introduction to SCR low-temperature catalytic absorption denitrification equipment and SCR flue gas denitrification working principle

SCR low-temperature catalytic absorption denitrification equipmentit 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.，widely used incoal-fired power station,iron and steel plant,coal-fired power station,metallurgy,Gas power plant and other industries，Intelligent control is gradually realized. By integrating advanced control system and sensor technology, the SCR low-temperature catalytic absorption denitrification equipment 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.、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 SCR low-temperature catalytic absorption denitrification equipment 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 SCR low-temperature catalytic absorption denitrification equipment 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 initial investment of technology may be high, but in the long run, its economic feasibility is remarkable. The high-efficiency denitration ability of SCR low-temperature catalytic absorption denitrification equipment technology can significantly reduce the environmental emission cost of enterprises and avoid fines and legal risks due to illegal emissions. In addition, SCR low-temperature catalytic absorption denitrification equipment 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 SCR low-temperature catalytic absorption denitrification equipment 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.。

1、Brief introduction of SCR low-temperature catalytic absorption denitrification equipment

SCR low-temperature catalytic absorption denitrification equipmentit 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.。

SCR low-temperature catalytic absorption denitrification equipment

2、SCR low-temperature catalytic absorption denitrification equipment real beat

High-definition pictures of One-combustion energy saving SCR low-temperature catalytic absorption denitrification equipment, showing different specifications and models.。

SCR low-temperature catalytic absorption denitrification equipment

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

3、SCR low-temperature catalytic absorption denitrification equipment structure composition

The SCR low-temperature catalytic absorption denitrification equipment structure is introduced as follows:

1. Reducing agent storage and supply system

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

2. control system

The whole SCR low-temperature catalytic absorption denitrification equipment is automatically controlled, including the adjustment of reducing agent supply, flue gas flow and temperature, so as to ensure the stable operation of the system and achieve the expected denitrification effect.

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. Reactor

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

5. Flue gas mixing and distribution

The mixed reducing agent and flue gas are fully mixed in the mixing tube and evenly distributed to the catalyst reactor through the distribution system.

SCR low-temperature catalytic absorption denitrification equipment

4、SCR low-temperature catalytic absorption denitrification equipment HD real shot

Speak directly with facts on the spot。

SCR low-temperature catalytic absorption denitrification equipment

As you can see from the live video.，One-combustion energy saving in the course of work,Under the action of catalyst, reducing agents (such as ammonia, urea, etc.) react with nitrogen oxides in flue gas to convert them into harmless nitrogen and water vapor.。

5、SCR low-temperature catalytic absorption denitrification equipment use

SCR low-temperature catalytic absorption denitrification equipmentIt has a wide range of uses, and is often used inFlue gas denitrification,Promote sustainable development,Flue gas denitrification,Promote sustainable development,Meet the requirements of environmental protection and so on。

SCR low-temperature catalytic absorption denitrification equipment

6、Working principle of SCR low-temperature catalytic absorption denitrification equipment

SCR low-temperature catalytic absorption denitrification equipmentat 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 is widely used in metallurgy, iron and steel plant, cement plant, Gas power plant, building materials and other industries，the full name is selective catalytic reduction technology, which is an advanced flue gas denitrification technology.，Structure consists of control system, Temperature control and monitoring system, Flue gas mixing and distribution system, Catalyst reactor, Catalyst supply system and so on，the advantage is Intelligent control is gradually realized. By integrating advanced control system and sensor technology, the SCR low-temperature catalytic absorption denitrification equipment 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.、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 SCR low-temperature catalytic absorption denitrification equipment technology to maintain efficient denitrification capability in a wider temperature range and more complex flue gas conditions.、Technology has been developed and applied for many years, and it is mature and stable. The SCR low-temperature catalytic absorption denitrification equipment has high reliability and stability, and can maintain stable denitrification efficiency under various working conditions. In addition, the SCR low-temperature catalytic absorption denitrification equipment technology has good adaptability and adjustability, and can be adjusted and optimized according to different flue gas components and emission requirements.、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 SCR low-temperature catalytic absorption denitrification equipment 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 initial investment of technology may be high, but in the long run, its economic feasibility is remarkable. The high-efficiency denitration ability of SCR low-temperature catalytic absorption denitrification equipment technology can significantly reduce the environmental emission cost of enterprises and avoid fines and legal risks due to illegal emissions. In addition, SCR low-temperature catalytic absorption denitrification equipment technology can also reduce operating costs and improve the economic benefits of enterprises by recycling heat energy.。

SCR low-temperature catalytic absorption denitrification equipment

SCR low-temperature catalytic absorption denitrification equipmentStrong adaptability,Strong adaptability,Environmental protection and pollution-free,Promote sustainable development,Less secondary pollution，it can be used in cement plant, iron and steel plant, building materials, coal-fired power station, building materials and other industries。