中国首套大型LNG储罐内潜液泵开发与工业化测试

发布时间：2018-03-31 22:20

本文选题：LNG　切入点：储罐　出处：《油气储运》2017年04期

【摘要】：为了实现大型LNG储罐内潜液泵国产化,开展了总体结构设计、关键部件设计、强度分析与材料选择、水力模型优化设计、转子动力学分析以及轴向力平衡设计等关键技术研究,成功开发了国内首套大型LNG储罐内潜液泵(额定流量430 m3/h,额定扬程256 m)。该设备完成了水力性能测试,在低温测试台上进行了LN2低温性能测试,并依托浙江LNG接收站完成了样机现场变流量运转性能测试和长周期可靠性运转试验。结果表明:样机运行平稳,噪声和振动值均满足设计要求;样机低温材料的选取和结构设计合理,在低温环境下的机械性能良好;样机安全保障性能良好,可靠性强;运行参数达到预期设计目标。该设备的成功研制标志着我国对大型LNG潜液泵技术的全面掌握,填补了国内空白,并显著提升了我国LNG装备的技术水平,同时有利于大幅降低LNG关键设备的采购成本和后期检维修费用,具有重要的推广应用价值。
[Abstract]:In order to realize the localization of submersible pump in large LNG tank, the key technologies such as overall structure design, key component design, strength analysis and material selection, hydraulic model optimization design, rotor dynamics analysis and axial force balance design are carried out. The first domestic submersible pump (rated flow rate 430m3 / h, rated lift 256mg / h) has been developed successfully. The equipment has completed the hydraulic performance test and carried out the LN2 low temperature performance test on the low temperature test bench. Based on Zhejiang LNG receiving station, the performance test of variable flow operation and long period reliability operation of the prototype are completed. The results show that the prototype runs smoothly and the values of noise and vibration meet the design requirements. The low temperature material selection and structure design of the prototype are reasonable, the mechanical properties are good in low temperature environment, the safety and security performance of the prototype is good, and the reliability of the prototype is strong. The successful development of the equipment marks our country's overall grasp of the large LNG submersible pump technology, fills up the domestic blank, and improves the technical level of our country's LNG equipment. At the same time, it is helpful to reduce the purchasing cost of LNG key equipment and the cost of later inspection and maintenance, so it has important value of popularization and application.
【作者单位】：中海石油气电集团有限责任公司技术研发中心;大连深蓝泵业有限公司;中国石油大学(北京);
【基金】：中国海洋石油总公司科研项目“大型LNG储罐内潜液泵国产化联合研制”,CNOOC-KJ 125 ZDXM 14 QD010 QD2013
【分类号】：TE97

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