Nitrogen deoxygenation tank
'Nitrogen deoxygenation container' typically refers to the core reaction equipment used to prepare deoxygenated nitrogen gas. Its primary function is to remove residual oxygen from nitrogen gas, producing high-purity nitrogen gas with extremely low oxygen content (typically reaching the ppm level). This container is the key unit for achieving deep deoxygenation of nitrogen gas.
The following is a detailed analysis of nitrogen deoxygenation containers: Core Principles: The deoxygenation process primarily relies on two mainstream technologies, with corresponding differences in container design: Catalytic Deoxygenation Method: Principle: Under the influence of specific catalysts (such as palladium-based, platinum-based, or copper-manganese-based catalysts), trace amounts of oxygen in the nitrogen gas react with an appropriate amount of hydrogen gas to form water: 2H2+ O2 → 2H2O.
Container Function: Serves as a catalytic reactor, providing a reaction space for gas-solid catalytic reactions. Post-Treatment: The generated water vapour must be removed via subsequent drying equipment (e.g., adsorption dryers, condensers). Adsorption Deoxygenation Method: Principle: Utilises the selective adsorption capacity of special adsorbents (such as certain modified molecular sieves or activated carbon-loaded metal oxides) to adsorb and remove oxygen from nitrogen. Container function: Acts as an adsorption tower, typically employing pressure swing adsorption (PSA) or temperature swing adsorption (TSA) technology. At least two towers are required to alternate between adsorption and regeneration (desorption) operations. Features: No hydrogen is introduced, and the process is relatively simple. However, the adsorbent has limited capacity and requires periodic regeneration. Features and Benefits
Main features High efficient heat transfer: The combination of fins and plates makes the heat transfer coefficient much higher than that of traditional shell and tube heat exchangers.
Compact and lightweight: Large heat transfer area per unit volume, suitable for space-constrained scenarios
Multi-fluid heat transfer: To adapt to complex working conditions, they are designed with multiple processes or channels Pressure resistance and temperature limitation: Pressure capacity is usually lower than plate heat exchanger, suitable for low and medium pressure scenarios.
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A : Russia, Iraq, New Zealand, etc...