A dry ice briquette making machine converts liquid carbon dioxide (CO₂) into solid dry ice blocks through controlled expansion and compression. Unlike ordinary ice, dry ice does not melt into water. It changes directly from solid CO₂ into gas, making it useful for cold-chain transportation, food preservation, and other cooling applications.
But how does a dry ice block machine actually make solid blocks from CO₂?
How does a dry ice block machine work?
The working process mainly includes CO₂ supply, dry ice formation, compression, and block shaping.
- CO₂ supply: Liquid CO₂ enters the machine and rapidly expands, producing dry ice snow.
- Dry ice snow collection: The dry ice snow is collected and prepared for compression.
- High-pressure compression: The dry ice briquette making machine compresses the dry ice snow into a dense solid mass.
- Block forming: The compressed dry ice is shaped into blocks of the required size using a forming system or mold.
What affects dry ice block production?
Several factors influence the performance of a dry ice briquette making machine, including:
- CO₂ supply: The purity, pressure, and supply method affect production.
- Block size: Larger blocks generally require more material per piece.
- Density: Higher-density blocks can provide longer-lasting cooling.
- Machine configuration: The forming and hydraulic systems affect block quality and consistency.
Where are dry ice blocks used?
Dry ice blocks are mainly used where low-temperature cooling is required. Common applications include:
- Frozen food transportation
- Seafood and meat shipping
- Cold-chain logistics
- Food preservation
- Temperature-sensitive product transportation
Because dry ice sublimates directly into CO₂ gas without producing liquid water, it can provide cooling without leaving melted water inside the package.
The right machine depends on your required dry ice block size, production capacity, CO₂ supply, and application. Before purchasing, it is important to confirm these requirements with the supplier so the machine configuration matches your production needs.
Choosing a dry ice block making machine
If you are planning to produce dry ice blocks for cold-chain transportation or other cooling applications, send us your required capacity and block size. We can recommend a suitable dry ice briquette making machine based on your production requirements.