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    旋轉噴霧幹燥煙氣脫硫是怎麽進行的

    旋轉噴霧幹燥煙氣脫硫工藝

    Rotary spray drying flue gas desulfurization process
    噴霧幹燥法脫硫工藝以石灰為脫硫吸收劑，石灰經消化並加水製成消石灰乳，消石灰乳由泵打入位於吸收塔內的霧化裝置，在吸收塔內，被霧化成細小液滴的吸收劑與煙氣混合接觸，與煙氣中的SO2發生化學反應生成CaSO3,煙氣中的SO2被脫除。與此同時，吸收劑帶入的水分迅速被蒸發而幹燥，煙氣溫度隨之降低。
    The spray drying desulfurization process uses lime as the desulfurization absorbent. Lime is digested and added with water to make hydrated lime milk. The hydrated lime milk is pumped into the atomization device located in the absorption tower. In the absorption tower, the absorbent atomized into fine droplets is mixed and contacted with the flue gas, which reacts with SO2 in the flue gas to produce CaSO3, and SO2 in the flue gas is removed. At the same time, the moisture brought in by the absorbent is quickly evaporated and dried, and the flue gas temperature decreases accordingly.
    脫硫反應產物及未被利用的吸收劑以幹燥的顆粒物形式隨煙氣帶出吸收塔，進入除塵器被收集下來。脫硫後的煙氣經除塵器除塵後排放。為了提高脫硫吸收劑的利用率，一般將部分除塵器收集物加入製漿係統進行循環利用。該工藝有兩種不同的霧化形式可供選擇，一種為旋轉噴霧輪霧化，另一種為氣液兩相流。
    Desulfurization reaction products and unused absorbent are brought out of the absorption tower with flue gas in the form of dry particles, and then enter the dust collector for collection. The flue gas after desulfurization is discharged after dedusting by dust collector. In order to improve the utilization rate of desulfurization absorbent, part of the dust collector collection is generally added to the pulping system for recycling. There are two different forms of atomization for this process, one is rotary spray wheel atomization, and the other is gas-liquid two-phase flow.
    噴霧幹燥法脫硫工藝具有技術成熟、工藝流程較為簡單、係統可靠性高等特點，脫硫率可達到85%以上。該工藝在美國及西歐一些國家有一定應用範圍(8%)。脫硫灰渣可用作製磚、築路，但多為拋棄至灰場或回填廢舊礦坑。
    The spray drying desulfurization process has the characteristics of mature technology, relatively simple process flow and high system reliability, and the desulfurization rate can reach more than 85%. The process has a certain application range (8%) in the United States and some Western European countries. Desulfurized ash can be used for making bricks and building roads, but most of them are discarded to the ash yard or backfilled with waste mines.
    以上就是為大家介紹的有關生物脫硫的詳細的介紹,希望對您有所幫助.如果您有什麽疑問的話,歡迎聯係蜜桃免费在线视频.蜜桃免费在线视频將以的態度,為您提供服務http://www.oagood.com
    The above is a detailed introduction about biological desulfurization. I hope it will help you If you have any questions, please contact us We will provide you with professional service http://www.oagood.com

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