| 摘要 |
A strainer device is provided for use with a water inlet for a heat exchanger tube. The strainer includes a base portion with an anchor for frictionally holding the strainer in the inlet end of the heat exchanger tube, a stop to prevent inward movement of the strainer into the heat exchanger tube past a predetermined position, and a plurality of trap bars or a strainer assembly to prevent the entry of shells and debris of a size greater than a predetermined maximum into the tube inlet while, at the same time, avoiding excessive pressure drops or the accumulation of excessive debris on or adjacent to the strainers.
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