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盐穴储气库注水站整体造腔参数优化
Optimization of the solution mining parameters on salt-cavern gas storages water-injection station
 
; salt cavern gas storage; leaching schedule optimization; non-linear programming; solution mining; solution mining simulation针对盐穴储气库水溶建腔的优化问题, 综合考虑水溶建腔过程涉及的诸多因素, 结合非线性规划理论和水溶建腔的生产实际, 建立了多井造腔工艺参数优化数学模型, 计算得到最大造腔量和最经济节能两种多井造腔工艺参数优化方案。研究表明:节约能耗不仅需要降低回罐量, 而且需要保持卤水罐较低浓度;在淡水注入量一定的情况下, 采用反循环的井越多, 造腔量越大, 配合高注入量可以显著增加造腔量, 但卤水缓冲罐需维持较高浓度, 能耗较大;较多地采用正循环, 配合较低注入量, 可以在满足淡水消耗量和卤水外输量要求下, 减少回罐量, 使卤水缓冲罐维持较低浓度, 降低能耗。采用该模型, 合理配置造腔井数并合理分配各井的循环模式、 注入工质和注入量等参数, 可以得到最优多井工艺参数配置方案, 具有较好的指导意义。
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