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濕法煙氣脫硫與氣發(fā)脫硫技術

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2022-04-23

濕法煙氣脫硫技術：優(yōu)點：濕法煙氣脫硫技術為氣液反應，反應速度快，脫硫效率高，技術成熟，適用面廣。缺點：生成物是液體或淤渣，較難處理，設備腐蝕性嚴重；洗滌后煙氣需再熱，能耗高；占地面積大，投資和運行費用高；系統(tǒng)復雜、設備龐大、耗水量大、一次性投資高，一般適用于大型電廠。常用的濕法煙氣脫硫技術有石灰石-石膏法、間接的石灰石-石膏法、檸檬吸收法等。干法煙氣脫硫技術：優(yōu)點：干法煙氣脫硫技術為氣同反應，相對于濕法脫硫系統(tǒng)來說，設備簡單，占地面積小、投資和運行費用較低、操作方便、能耗低、生成物便于處置、無污水處理系統(tǒng)等。缺點：反應速度慢，脫硫率低，的可達60-80%。此外，吸收劑利用率低，磨損、結垢現(xiàn)象比較嚴重，在設備維護方面難度較大，設備運行的穩(wěn)定性、可靠性不高。分類：常用的干法煙氣脫硫技術有**碳吸附法、電子束輻射法、荷電干式吸收劑噴射法、金屬氧化物脫硫法等。

Wet flue gas desulfurization technology: advantages: wet flue gas desulfurization technology is gas-liquid reaction, fast reaction speed, high desulfurization efficiency, mature technology and wide application. Disadvantages: the product is liquid or sludge, which is difficult to deal with and the equipment is seriously corrosive; The flue gas after washing needs to be reheated, with high energy consumption; Large floor area and high investment and operation costs; With complex system, huge equipment, large water consumption and high one-time investment, it is generally suitable for large power plants. Common wet flue gas desulfurization technologies include limestone gypsum method, indirect limestone gypsum method, lemon absorption method, etc. Dry flue gas desulfurization technology: advantages: dry flue gas desulfurization technology is the same reaction of gas. Compared with wet desulfurization system, dry flue gas desulfurization technology has the advantages of simple equipment, small floor area, low investment and operation cost, convenient operation, low energy consumption, easy disposal of products, no sewage treatment system, etc. Disadvantages: slow reaction speed, low desulfurization rate, advanced up to 60-80%. In addition, the utilization rate of absorbent is low, the phenomenon of wear and scaling is serious, it is difficult to maintain the equipment, and the stability and reliability of equipment operation are not high. Classification: common dry flue gas desulfurization technologies include * * carbon adsorption method, electron beam radiation method, charged dry absorbent injection method, metal oxide desulfurization method, etc.

以上就是為大家介紹的有沼氣脫硫的詳細的介紹,希望對您有所幫助.如果您有什么疑問的話,歡迎聯(lián)系我們.我們將以的態(tài)度,為您提供服http://www.bjlidejia.com

The above is a detailed introduction to biogas desulfurization. I hope it will help you If you have any questions, please contact us We will provide service for you with professional attitude http://www.bjlidejia.com

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