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China Suppliers: FULLCRYO Small and Medium Hydrogen Liquefaction Unit Factory - 200-5000 kg/Day Capacity
Product Description
A hydrogen liquefier is a device that converts gaseous hydrogen into liquid hydrogen through a series of cooling and compression steps. Liquid hydrogen has a higher energy density and is easier to store and transport compared to its gaseous form. Here are some key aspects of hydrogen liquefiers:
Basic Principles
The primary principle behind hydrogen liquefiers is to cool gaseous hydrogen to its liquefaction temperature (approximately 20.28 K or -252.87°C). Common liquefaction methods include:
◆ Claude Cycle
Utilizes the expansion and cooling effect of hydrogen gas through multi-stage compression and expansion.
◆ Joule-Thomson (JT) Effect
Achieves cooling and liquefaction through the adiabatic expansion of hydrogen gas.
◆ Brayton Cycle
Uses helium or hydrogen as a refrigerant to cool and liquefy hydrogen through a reverse Brayton cycle. This is exactly the principle of Fullcryo’s hydrogen liquefaction unit.
Key Components
1
Compressors: Used to compress hydrogen gas to a high-pressure state.
2
Heat Exchangers: Facilitate heat transfer between different temperature levels, gradually lowering the temperature of hydrogen gas.
3
Expanders: Provide cooling effect through gas expansion.
4
Cold Box: Contains the above components and provides an insulated environment to minimize heat loss.
5
Liquid Hydrogen Storage Tanks: Used to store the liquefied hydrogen.
5TPD Hydrogen Liquefaction Unit Flow Chart and Cold Box
Fullcryo provide customers with a complete set of liquid hydrogen storage and transportation solutions directly to end users. Fullcryo's experienced engineer team can specifically for the customized requirement of the project, or provide turnkey solution directly to the user.
Product Parameters
| HYDROGEN LIQUEFIER SERIES | FHH 300 | FHH 600 | FHH 900 | FHH 1500 | FHH 3000 |
| LIQUEFACTION CAPACITY (T/D) | 0.5 | 1 | 1.5 | 2.5 | 5 |
| HYDROGEN PURITY | > 99.9999% | ||||
| PARA HYDROGEN CONTENT | > 95% | ||||
| OUTLET PRESSURE | ≥1.0 bar | ||||
| OUTLET TEMPERATURE | 20K | ||||
| POWER CONSUMPTION | 15~20 kw.h/kg LH2 | ||||
Rendergraph of 1.5TPD Hydrogen Liquefaction Plant
Frequently Asked Questions
What is a hydrogen liquefier and why is it used?
A hydrogen liquefier is a device designed to convert gaseous hydrogen into its liquid state through compression and cooling steps. Liquid hydrogen is preferred because it has a significantly higher energy density, making storage and long-distance transportation much more efficient and manageable compared to high-pressure gaseous hydrogen.
What liquefaction methods are utilized in Fullcryo's systems?
Common liquefaction principles include the Claude Cycle, Joule-Thomson (JT) Effect, and the Brayton Cycle. Fullcryo’s hydrogen liquefaction units specifically utilize the Brayton Cycle, which uses helium or hydrogen as a refrigerant to safely and efficiently cool and liquefy hydrogen.
What are the capacity options available for Fullcryo's Hydrogen Liquefier Series?
Fullcryo offers a wide range of models to meet different scale requirements: FHH 300 (0.5 T/D), FHH 600 (1 T/D), FHH 900 (1.5 T/D), FHH 1500 (2.5 T/D), and FHH 3000 (5 T/D).
What is the purity and para-hydrogen content of the output liquid hydrogen?
Fullcryo systems guarantee exceptionally high purity levels. The output liquid hydrogen features a purity level of > 99.9999% and a para-hydrogen content of > 95%, ensuring optimal stability and performance for storage and end-use applications.
What is the energy consumption rate of these liquefaction units?
The power consumption of Fullcryo's hydrogen liquefaction units ranges between 15 to 20 kw.h/kg of liquid hydrogen (LH2), representing a highly optimized energy-to-yield efficiency ratio for industrial operations.
Does Fullcryo provide custom integration and turnkey solutions?
Yes, Fullcryo's experienced engineering team provides complete, customized liquid hydrogen storage and transportation solutions tailored to specific project demands, as well as direct turnkey solutions for end users.