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Risk-Based Inspection

API ICP Self Study Notes

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14.10 Water Spray/Deluge 水 喷 / 消 防 水<br />

This method can reduce fire damage and minimize or prevent escalation. A<br />

properly designed and operating system can greatly reduce the probability that<br />

a vessel exposed to fire. 这 方 法 减 少 火 灾 的 伤 害 或 升 级 .<br />

14.11 Water Curtain 水 幕<br />

Water sprays entrap large amounts of air into a cloud. Water curtains mitigate<br />

water soluble vapor clouds by absorption as well as dilution and insoluble<br />

vapors (including most flammables) by air dilution. Early activation is required<br />

in order to achieve significant risk reduction. The curtain should preferably be<br />

between the release location and ignition sources (e.g. furnaces) or locations<br />

where people are likely to be present. Design is critical for flammables, since<br />

the water curtain can enhance flame speed under some circumstances.<br />

API 580<br />

Charlie Chong/ Fion Zhang

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