| 大型储油罐一次机械密封改造的安全效果 |
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| 引用本文： | 杨扬,杨常国,韩飞,马治中.大型储油罐一次机械密封改造的安全效果[J].安全．健康和环境,2009,9(10):45-46,50. |
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| 作者姓名： | 杨扬 杨常国 韩飞 马治中 |
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| 作者单位： | 中国石化管道储运分公司黄岛油库,山东青岛,266500;中国石化管道储运分公司岚山输油站,浙江宁波,315207 |
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| 摘 要： | 介绍了大型储油罐一次机械密封结构改造为一次机械镀锌钢板加内隔膜弹性耐腐蚀橡胶软密封后，一次机械密封与二次机械密封之间的可燃气体浓度由原来的80％LEL以上下降至10％LEL以下，大型储油罐防雷击火灾取得了较好的效果。
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| 关 键 词： | 储油罐 一次机械密封 防雷击火灾 |
Safety Effect of Single Mechanical Seal Reform of Large Oil Tanks |
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| Yang Yang,Yang Changguo,Han Fei,Ma Zhizhong.Safety Effect of Single Mechanical Seal Reform of Large Oil Tanks[J].Safety Environment Health,2009,9(10):45-46,50. |
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| Authors: | Yang Yang Yang Changguo Han Fei Ma Zhizhong |
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| Institution: | Yang Yang, Yang Changguo, Han Fei, Ma Zhizhong (1 SINOPEC Pipeline and Storage Sub-company Huangdao Oil Depot, Shandong, Qingdao, 266500; 2 SINOPEC Pipeline and Storage Sub-company Lanshan Station, Zhejiang, Ningbo, 315207 ) |
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| Abstract: | Single mechanical seal of large oil tanks is reformed to double mechanical seal （single mechanical Galvanized steel seal plus anticorrosive rubber soft seal）. After the reform, the flammable gas concentration is reduced from 80%LEL to 10%LEL between the single seal and double seal. Effect is achieved to prevent lightning fire for large oil tanks. |
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| Keywords: | oil tank single mechanical seal anti-lightning fire |
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