Membrane Separation Nitrogen Production System

Membrane separation nitrogen production system is an efficient nitrogen production device based on the principle of gas selective permeation. It uses a special hollow fiber membrane module to separate nitrogen in the air from oxygen (O₂) to produce high-purity nitrogen. This system does not require chemical reagents or adsorbents, and has the characteristics of simple structure, stable operation and convenient maintenance. It is widely used in chemical, electronics, food, energy and other industries.

Features of membrane separation nitrogen production system

1. Principle: Use the difference in the permeability rate of the hollow fiber membrane to oxygen and nitrogen in the air (the oxygen permeates quickly and the nitrogen permeates slowly) to achieve the separation of nitrogen and oxygen.

2. Advantages:

• Simple structure, no moving parts, and low maintenance cost.
• Fast startup and low energy consumption (especially suitable for small and medium-sized traffic requirements).
• No need to consume adsorbents (such as carbon molecular sieve of PSA).

3. Limitations:

• The nitrogen purity is usually 95%~99.5%, which is not as good as the PSA method (up to 99.999%) or the deep cooling method (ultra-high purity).
• The flow rate and purity are greatly affected by the number of membrane groups, intake pressure and temperature.

Technical Advantages

• High efficiency and energy saving: no need to change adsorbent frequently, energy consumption is lower than PSA and deep cooling method.
• Maintenance-free design: No moving parts, only filters need to be replaced regularly to reduce operating costs.
• Quick start and stop: The system can achieve stable output within a few minutes, suitable for intermittent gas use needs.
• Environmentally friendly and reliable: No exhaust gas emissions, comply with industrial environmental protection standards.

Application areas

Membrane separation nitrogen production system is suitable for scenarios with medium requirements for nitrogen purity (≤99.5%). Typical applications include:

• Oil and gas: pipeline purge, storage tank inert protection.
• Food packaging: fill with nitrogen to keep fresh, extend the shelf life.
• Electronic manufacturing: SMT welding, semiconductor production anti-oxidation.
• Pharmaceutical and chemical industry: Reactor covers gas and material transportation protection.

Membrane separation nitrogen production system has become an ideal choice for small and medium-sized industrial nitrogen production system with its low energy consumption, high reliability and flexible configuration. Users can match the number of membrane groups and auxiliary modules (such as compressed air purification units) according to actual needs to achieve optimal operating efficiency. If higher purity is required (>99.9%), it is recommended to combine PSA technology for integrated design.

Hot Tags: membrane separation nitrogen production system, China membrane separation nitrogen production system manufacturers, suppliers, factory, Cryogenic Liquid Nitrogen Plant