The Boc Group, Inc.

Stephen Clements

Ron C Lee

Brian King

A method of cooling a liquid process fluid in which a liquid process stream is formed from the liquid process fluid and the process fluid contained within the liquid process stream is frozen into a conveyable particulate form. The conveyable particulate form is introduced back into the liquid process fluid. The liquid process fluid can be contained within a container and pumped through a pipe connected to the container to form the liquid process stream. A freezing chamber connected to the top of the container can be provided to countercurrently directly exchange heat between rising vaporized coolant and descending liquid process fluid. The resultant conveyable particulate form can be metered by provision of a valve.

Process fluid cooling means and apparatus

A method of forming glass containers, including the steps of drying a stream of air, passing the dried air into a vacuum-insulated mixing chamber, evaporating liquid cryogen in the mixing chamber, allowing the resulting cryogen vapor to mix with the air to form a mixture at a temperature below -20.degree. C., passing the gas mixture into a vacuum-insulated manifold, and causing the gas mixture to flow from the manifold and into the insides of glass containers being formed in molds to cool the containers.

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Wetherby, United Kingdom

Stephen Clements