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["気化炉から黒水を高闪角阀に排出するが、その阀が塞がることで合成気の带水が発生した場合、どのように対処するか?",,"

2018-04-12View Original

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Reply #22018-04-12
继续翻译剩余的文本。
Reply #32018-04-13
这种情况重点还是要治标治本: 主要还是黑水角阀卡堵问题,重点解决
Reply #42018-04-14
首先判断是管道结垢造成还是因有灰渣进入黑水管道造成。若因结垢造成则应加大灰水置换量适当增加分散剂用量,当然效果最明显的还是换煤,一般情况下炉温控制高点灰水硬度会降低。若是灰渣进入黑水管道,则说明破渣机上部可能架桥,就得采取适当破桥处理,如利用锁斗上部二氧化碳反冲或利用锁斗与气化炉高压差连通(压差从5公斤慢慢加)。
Reply #52018-04-23
重点处理阀门堵的问题,带水严重主要是因为黑水中固含量太多,调整办法,加大碳洗塔排黑量,开大变换冷凝液阀门,可以稍微降低点黑水浓度。
Reply #62018-04-27
减负荷把水切到开工处理

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