| 摘要 |
<p>Method of defouling a heat exchanger used for cooling gases laden with dust and contaminants, originating notably from fused-salt electrolysis in the manufacture of aluminium; said heat exchanger comprising at least one tube through which there flows a heat-transfer fluid capable of cooling the gas; characterized in that the method comprises the following steps: - circulating gas through a main circuit during normal phases of operation (20), said heat exchanger being arranged in said main circuit, and - circulating gas through a circuit F that bypasses the heat exchanger during defouling phases (22).</p> |
