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推流的办法有哪些

首页- 新闻资讯 > 行业资讯 > 2022-07-15

脱硫办法能够分为湿法、半干法和干法。湿法脱硫在日本占98%、美国占92%、德国占90%、中国占91%,世界均匀占85%。大型燃煤机组大多采用湿法脱硫。我国当前燃煤发电在整个发电行业内占比超越70%,绝大多数燃煤电厂采用“石灰石—石膏湿法脱硫工艺”。

Desulfurization methods can be divided into wet method, semi dry method and dry method. Wet desulfurization accounts for 98% in Japan, 92% in the United States, 90% in Germany, 91% in China, and 85% in the world. Most large coal-fired units use wet desulfurization. At present, coal-fired power generation accounts for more than 70% of the whole power generation industry in China. The vast majority of coal-fired power plants adopt the "limestone gypsum wet desulfurization process".
湿法脱硫是一种非常高效、稳定且投资较低的脱硫工艺。但遭到国内局部中央政府除湿、消白政策的影响,目前在钢铁、焦化行业半干法、干法遭到喜欢,并有逐渐取代湿法脱硫的趋向。而随着人们对雾霾构成机理的进一步认识,生态环境部发文央求不得强迫企业管理湿烟羽”。因而,湿法脱硫仍有生存空间。
Wet desulfurization is a very efficient, stable and low investment desulfurization process. However, affected by the dehumidification and whitening policies of some domestic central governments, semi dry and dry methods are currently favored in the steel and coking industries, and there is a trend to gradually replace wet desulfurization. With the further understanding of the formation mechanism of haze, the Ministry of ecological environment issued a document requesting that enterprises should not be forced to manage wet plumes ". Therefore, there is still room for wet desulfurization.
湿法脱硫和干法、半干法脱硫的副产物差别很大,不同的脱硫工艺,副产物也不尽相同。
The by-products of wet desulfurization, dry desulfurization and semi dry desulfurization are very different, and the by-products are also different in different desulfurization processes.
(1)目前常用的脱硫工艺有钙法、钠法、氨法、镁法、活性炭法,副产物的品种和状态各不相同,其中钙法的脱硫副产物(石膏)产量最大,应用率也较高。
(1) At present, the commonly used desulfurization processes include calcium method, sodium method, ammonia method, magnesium method and activated carbon method. The varieties and states of by-products are different. Among them, calcium method has the largest output of desulfurization by-products (gypsum) and high application rate.
(2)在中小范围的烟气脱硫中,钠法、镁法、氨法运用较多,其脱硫副产物回收缺乏,致使传统多为丢弃法。
(2) In the small and medium-sized flue gas desulfurization, sodium method, magnesium method and ammonia method are used more, and the recovery of desulfurization by-products is lack, resulting in the traditional method of discarding.
(3)半干法和干法脱硫副产物由于反响不完好、成分复杂,处置明显比湿法工艺艰难,目前应用率很低。
(3) The semi dry and dry desulfurization by-products are obviously more difficult to dispose than the wet process due to incomplete response and complex composition, and the current application rate is very low.
(4)脱硫工艺的选择,很大水平上受脱硫副产物影响,目前脱硫存在湿改干的趋向,会招致脱硫副产物进一步增加,且脱硫灰的处置较难;因而,要加大对脱硫灰的处置处置研讨。
(4) The selection of desulfurization process is largely affected by desulfurization by-products. At present, desulfurization has the trend of changing wet to dry, which will lead to the further increase of desulfurization by-products, and the disposal of desulfurization ash is difficult; Therefore, it is necessary to increase the discussion on the disposal of desulfurization ash.
以上就是为大家介绍的有关沼气脱硫的详细的介绍,希望对您有所帮助.如果您有什么疑问的话,欢迎联系海洋之神app.海洋之神app将以专业的态度,为您提供服务.http://www.hdtvorigin.com
The above is a detailed introduction about biogas desulfurization, which I hope will be helpful to you If you have any questions, please contact us We will provide you with professional service http://www.hdtvorigin.com

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