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首页> 外文期刊>Petroleum Technology Quarterly >Mitigating environmental impacts,saving time and reducing costs: cleaning a heat exchanger network using a renewable cleaning agent
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Mitigating environmental impacts,saving time and reducing costs: cleaning a heat exchanger network using a renewable cleaning agent

机译：缓解环境影响，节省时间和降低成本：使用可再生清洁剂清洁热交换器网络

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High energy costs and environmental regulatory demands mean that there is an ever increasing focus on energy efficiency in the oil refining industry.Crude oil distillation is an energy intensive process consuming around 20% of a refinery's total energy consumption.The oil is first heated in a preheat exchanger network by recovering the heat from the product and reflux streams.It is then further heated in a furnace prior to entering the flash zone of the distillation column.In order to reduce fuel consumption in the furnace,the efficiency of the exchangers in the preheat train is crucial.Crude oil is complex in nature,containing many impurities,and the preheat exchangers are prone to severe fouling,which in turn reduces the thermal and hydraulic performance of the network.The immediate financial and environmental penalties associated with this are increased energy consumption at the furnace,higher C02 emissions and eventually loss of capacity throughput.The total estimated cost of all heat exchanger fouling in the UK is in the order of $2.5 billion and $15 billion in America.1
机译：高能量成本和环境监管要求意味着炼油业的能源效率越来越关注。化油蒸馏是一种能源密集的过程，占炼油总能耗的20％约20％。石油首次加热通过从产品和回流流中回收热量来预热交换器网络。然后在进入蒸馏塔的闪光区之前进一步加热在炉子中。为了降低炉内的燃料消耗，交换机的效率预热火车至关重要。石油本质上是复杂的，含有许多杂质，预热交换机易于严重污垢，这又降低了网络的热和水力性能。与之相关的立即有关的金融和环境处罚增加炉子的能耗，高于CO 2排放量，最终损失容量吞吐量。所有H的总估计成本在英国吃交换机污染，大约为25亿美元和150亿美元的美国

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