["绕管換熱器内部泄漏",,"水煤浆气化制氢、鲁奇低温甲醇洗流程，原料气冷却采用绕管+氨冷
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水煤浆气化制氢，鲁奇低温甲醇洗流程，原料气冷却采用绕管+氨冷+水分离+（喷淋甲醇）绕管流程，第一台绕管使用3年后出现内漏。有无出现过类似问题的？
绕管换热器底部是否有气液分离管线？材质？
估计堵管很难实现，难寻找。
很麻烦的事，净化气指标什么情况？
设备材质是否满足工艺温度变化，对于冷热接触面是否出现裂纹造成泄漏
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