Small Liquid Nitrogen Plant

Small Liquid Nitrogen Plant is simple, convenient and fast, especially suitable for small liquid nitrogen preparation devices in scientific research institutes and other occasions. It solves the technical problems existing in the existing technology, such as the production of liquid nitrogen by cryogenic treatment after nitrogen output, large investment and high cost, and is only suitable for large-scale production of liquid nitrogen.

 

1.Parameter (Specification) of Small Liquid Nitrogen Plant

 

Model	LN20	LN50	LN100	LN240	LN500	LN1000
LN2 Capacity	20L/day	50L/day	100L/day	240L/day	500L/day	1000L/day
Power	1.2KW	3KW	7KW	11KW	25KW	50KW
Feed N2 Pressure	≥0.6Mpa	≥0.6Mpa	≥0.6Mpa	≥0.6Mpa	≥0.6Mpa	≥0.6Mpa
Cooling Method	Air Cooled	Air Cooled	Air Cooled	Water Cooled	Water Cooled	Water Cooled
Cooling Water	-	-	-	≥4T/h	≥8T/h	≥15T/h

 

Remark: More models and specifications please contact us.

Aiming at different requirements of different users in different industries, ZHONGRUI can provide individuation and professional small liquid nitrogen plant to meet different customers’ requirements.

Small liquid nitrogen plant uses high quality carbon molecular sieve as adsorbent to separate nitrogen from air, based on the principle of pressure swing adsorption under certain pressure. Purified and dried compressed air is adsorbed when pressurizing and desorbed when depressurizing in adsorption towers. Owing to dynamical effect, oxygen diffusion rate in carbon molecular sieve pores is faster than that of nitrogen. Before reaching adsorption balance, nitrogen is concentrated to be product nitrogen gas. Then, depressurize to normal pressure, oxygen is desorbed to regenerate. There are two adsorption towers in the system, which separate nitrogen and oxygen alternatively, with the automatic control of PLC, to get high purity nitrogen gas continuously. Then, qualified nitrogen gas enters into air cooling oil-free recycle compressor and liquefaction plant to get liquid nitrogen.

This equipment has futures of simple technical process, high automation degree, convenient start on/off, less consumable parts, easy maintenance and low production cost, etc.

 

2. Quality Assurance of Small Liquid Nitrogen Plant manufacturer

1) Strict contract auditing involved all departments to assure the feasibility of each order.

2) Process design and validation before bulk production.

3) Strictly control on all raw and auxiliary materials, all raw materials reach the world advanced level.

4) On-site inspection to all processes, inspection record keeps traceable for 3 years.

5) All inspectors are skilled with international certificates.

6) Qualified and professional welders guarantee welding quality.

7) 100% inspection of finished systems before shipment.

8) Regular training for inspection staff

 

3. Shipment of Small Liquid Nitrogen Plant

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Cryogenic Liquid Nitrogen Plant