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SCR experimental desulfurization and denitrification fixed bed

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SCR experimental desulfurization and denitrification fixed bed

SCR desulfurization and denitrification fixed bed device is a high-efficiency and energy-saving flue gas treatment equipment.

  • Item NO.:

    OLT-FD03312

  • Product Orgin:

    China

  • Shipping Port:

    Xiamen

  • Model Number:

    OLT-FD03312

  • Power:

    AC 220±22V 50Hz

  • Warranty:

    1 year

  • Delivery Time:

    7-15 days
  • Product Details

The SCR desulfurization and denitrification fixed bed device is an efficient and energy-saving flue gas treatment equipment that uses fixed bed reactor technology to remove sulfur oxides (SOₓ) and nitrogen oxides (NOₓ) in industrial flue gas through the selective catalytic reduction (SCR) process. The device can effectively reduce the emission of atmospheric pollutants and meet strict environmental protection standards. It also has the advantages of compact structure, stable operation and easy maintenance.

Working Principle

The SCR desulfurization and denitrification fixed bed device is mainly based on the following two core processes:

Selective catalytic reduction (SCR) denitrification
In the fixed bed reactor, a bed pre-loaded with a highly active catalyst (such as titanium-based, vanadium-titanium-based or copper-based catalyst) fully contacts the flue gas containing NOₓ with a reducing agent (usually ammonia water or urea aqueous solution). Under suitable temperature (generally 300~400℃) and pressure conditions, NOₓ reacts with ammonia under the action of the catalyst to produce harmless nitrogen (N₂) and water (H₂O).

Catalytic adsorption/oxidation desulfurization
The adsorption desulfurization function can also be integrated in the fixed bed structure, and the SO₂ in the flue gas is converted into sulfate or sulfide through selective adsorption and oxidation reaction to achieve the removal of SOₓ.

The entire SCR desulfurization and denitrification fixed bed system is reasonably designed, and the flue gas flows in the fixed bed and is evenly distributed, ensuring that the flue gas is fully in contact with the catalyst and adsorption material to achieve efficient treatment effects.

Product Features and Advantages

High-efficiency dual purification
The SCR desulfurization and denitrification fixed bed device can remove NOₓ and SOₓ at the same time, with obvious dual treatment effect, meeting strict environmental emission standards.

Fixed bed structure design
The fixed bed reactor is used, which has a simple structure, compact equipment, convenient operation and maintenance, and is convenient for online monitoring and automatic control.

Synergy between catalyst and adsorbent
The combination of high-performance catalyst and adsorbent material is used to improve the reaction rate and removal efficiency, extend the catalyst life, and reduce operating costs.

Energy saving and environmental protection
The optimized thermal management system and reactor design reduce energy consumption, reduce secondary pollution, and achieve a win-win situation for economy and environmental protection.

Main technical parameters

Equipment name SCR desulfurization and denitrification fixed bed
Catalyst filling amount 5ml (customizable within 30ml)
Operating temperature 400℃
Operating pressure 5MPa
Material 316/316L/310S/HC276
Length of constant temperature section (mm) 60-100 (inner diameter: 10mm, 15mm customizable)
Temperature difference of catalyst bed ±1℃
Gas flowmeter N2/SO2/NH4, etc. (other gases can be added and customized)
Gas quantity 1-5;
Gas flow 100, 200, 500, 1000ml/min (customizable);
Material of high-pressure feed pump head 316L, PTFE, PEEK, FKM, perfluororubber, ceramics, etc.;
Liquid quantity 1-3;
Flow rate 0.01-10ml/min (customizable)
Control system PLC/instrumentation-customizable


Frequently Asked Questions (FAQ)

Q1: What is SCR desulfurization and denitrification fixed bed device?
  • A: An SCR desulfurization and denitrification fixed bed device is an environmental protection equipment that uses a fixed bed reactor to selectively catalytically reduce and adsorb flue gas containing NOₓ and SOₓ with a reducing agent under the action of a catalyst, thereby achieving the simultaneous removal of NOₓ and SOₓ in the flue gas.
Q2: What are the main working temperatures and pressures of the SCR desulfurization and denitrification fixed bed device?
  • A: The working temperature of the denitrification process is generally 300-400℃, and the desulfurization process temperature is 250-350℃. The specific parameters will be optimized and designed according to the actual flue gas composition and process requirements.
Q3: What are the characteristics of the catalyst used in this device?
  • A: The device uses a highly active, high-temperature resistant vanadium-titanium-based, copper-based or composite catalyst with high NOₓ reduction and SO₂ adsorption and oxidation functions, and cooperates with the adsorbent to ensure efficient dual purification.
Q4: Does the device support modular expansion?
  • A: Yes, the SCR desulfurization and denitrification fixed bed device adopts a modular fixed bed design, which is easy to expand or adjust according to the flue gas treatment volume requirements to meet the application requirements of large, medium and small devices.
Q5: Is the operation and maintenance of the equipment complicated?
  • A: The device has a built-in PLC intelligent control system to achieve real-time monitoring and automatic adjustment; the fixed bed structure is simple in design, which is easy to install, inspect and replace the catalyst, and the overall maintenance is relatively simple.





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