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China Suppliers FULLCRYO Hydrogen Liquefaction Unit - 200-5000 kg/Day Capacity, High Purity Factory Solutions
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
- Compressors: Used to compress hydrogen gas to a high-pressure state.
- Heat Exchangers: Facilitate heat transfer between different temperature levels, gradually lowering the temperature of hydrogen gas.
- Expanders: Provide cooling effect through gas expansion.
- Cold Box: Contains the above components and provides an insulated environment to minimize heat loss.
- 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
Q: What is the main function of a hydrogen liquefier?
A hydrogen liquefier converts gaseous hydrogen into liquid hydrogen through cooling and compression, which significantly increases its energy density and simplifies storage and transportation.
Q: Which cooling principle does the Fullcryo hydrogen liquefaction unit use?
Fullcryo’s hydrogen liquefaction unit operates on the Brayton Cycle principle, which uses helium or hydrogen as a refrigerant to achieve cooling and liquefaction through a reverse Brayton cycle.
Q: What capacity options are available in the FHH series?
The FHH series ranges from FHH 300 to FHH 3000, offering daily liquefaction capacities of 0.5 T/D, 1 T/D, 1.5 T/D, 2.5 T/D, and 5 T/D.
Q: What are the purity and temperature specifications of the output liquid hydrogen?
The system achieves a hydrogen purity of over 99.9999% and a para hydrogen content exceeding 95%, with an outlet temperature of 20K.
Q: What is the power consumption rate for Fullcryo's liquefiers?
The power consumption for the liquefaction process is highly efficient, ranging between 15 to 20 kw.h/kg LH2.
Q: Does Fullcryo provide custom engineering solutions?
Yes, Fullcryo’s experienced engineering team can customize storage and transportation solutions based on specific project requirements or provide complete turnkey solutions directly to the user.