| 摘要 |
A device for preventing freezing of a pipeline has a pipe bringable into contact with the pipeline and having a supply branch and a return branch, a container for accommodating a heating medium, a unit for supplying the heating medium into the supply branch and returning the medium from the return branch back into the container, and a heating unit for heating the container and therefore the heating medium so that the heated medium is supplied from the container into the supply branch, transfers heat to the pipeline and returns through the return branch back into the container for further reheating.
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