I. Introduction

SEN type pressure swing ADSORPTION nitrogen device uses high quality carbon molecular sieve as adsorbent, and uses PSA(full name PRESSURESWING ADSORPTION) pressure swing adsorption principle to directly obtain nitrogen from compressed air.

Nitrogen flow rate can reach 10-2000nm3 /h, nitrogen purity 93 ~ 99.99% (equipped with nitrogen purification equipment, purity can be further increased to 99.9995%). The whole equipment is simple to operate, easy to install, high degree of automation, equipped with unqualified nitrogen automatic emptying device, can realize unmanned operation.

SEN nitrogen equipment is widely used in electronics, food, metallurgy, electric power, chemical, petroleum, medicine, textile, tobacco, instrumentation, automatic control and other industries.

Second, the working principle

Under a certain pressure, the diffusion rate of oxygen and nitrogen on the carbon molecular sieve is very different due to the dynamic effect. In a short time, oxygen molecules are adsorbed by the carbon molecular sieve in large quantities, and nitrogen molecules are enriched in the gas phase, so as to achieve the purpose of oxygen and nitrogen separation.

Since the adsorption capacity of carbon molecular sieve for oxygen varies significantly with the pressure, the oxygen molecules adsorbed by carbon molecular sieve can be desorbed by reducing the pressure, so that the carbon molecular sieve can be regenerated and reused.

Using two adsorption column process, one column adsorption nitrogen production, one column desorption regeneration, alternating cycles, continuous production of high quality nitrogen.

3. Technical characteristics

1. Reasonable internal components, uniform airflow distribution, minus high-speed airflow impact.

2. Unique molecular sieve protection measures to extend the service life of carbon molecular sieve.

3. Intelligent interlocking unqualified nitrogen exhaust recovery analysis to ensure the quality of finished nitrogen.

4. Optional nitrogen device flow, purity automatic adjustment system, remote control system, etc.

5. Simple operation, stable operation, high degree of automation, can achieve unmanned operation.