CPC F25D 3/11 (2013.01) [A01N 1/0252 (2013.01); B01J 2/06 (2013.01)] | 21 Claims |
1. An apparatus comprising:
a fluid chamber containing a freezing liquid;
a liquid dispenser disposed above a surface of the freezing liquid contained in the fluid chamber and configured to dispense a droplet of liquid onto the surface of the freezing liquid contained in the fluid chamber;
a gas injector disposed above the surface of the fluid contained in the fluid chamber and configured to inject a stream of gas transversely to the surface of the freezing liquid contained in the fluid chamber; and
a transporter configured to transport the fluid chamber between a first position below the liquid dispenser and a second position below the gas injector, and wherein the liquid dispenser is configured to dispense the droplet of liquid onto the surface of the freezing liquid contained in the fluid chamber when the fluid chamber is in the first position, and the gas injector is configured to inject the stream of gas transversely to the surface of the freezing liquid contained in the fluid chamber when the fluid chamber is in the second position.
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