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生物脫硫設(shè)備的應(yīng)用及自身防腐怎么做

硫會對環(huán)境造成嚴(yán)重污染,在環(huán)境保護工作中,治理硫氧化物和硫化氫對大氣的污染,硫酸鹽、硫化氫對水體的污染,一直是人們關(guān)注的課題。 但就像電力行業(yè)的熱電廠一樣,在消耗過程中需要熄滅大量的燃煤,如果燃煤中含有硫元素,熄滅后必然會釋放出大量的SO2,如果不停止治理,將對環(huán)境造成巨大危害,因此電力行業(yè)普遍使用生物脫硫設(shè)備,那么,下面一起了解下生物脫硫設(shè)備的應(yīng)用及自身防腐吧!

Sulfur will cause serious pollution to the environment. In the environmental protection work, it has always been a topic of concern to control the pollution of sulfur oxides and hydrogen sulfide to the atmosphere, and the pollution of sulfate and hydrogen sulfide to water bodies. But like the thermal power plants in the power industry, a large amount of coal needs to be extinguished in the process of consumption. If the coal contains sulfur, a large amount of SO2 will be released after being extinguished. If the treatment is not stopped, it will cause great harm to the environment. Therefore, biological desulfurization equipment is widely used in the power industry. Now let's learn about the application of biological desulfurization equipment and its own anti-corrosion!
生物脫硫設(shè)備
Biological desulfurization equipment
說到脫硫,目前業(yè)界的脫硫方法主要有三種。 分別是熄燈前脫硫、熄燈中脫硫和熄燈后脫硫。 其中一般使用石灰石停止使用脫硫的方法,所以今天的就集中在其中使用的生物脫硫設(shè)備吧。
Speaking of desulfurization, there are three main desulfurization methods in the industry. Desulfurization before light off, during light off and after light off. Among them, limestone is generally used to stop desulfurization, so today's Hengneng focuses on the biological desulfurization equipment.
生物脫硫設(shè)備的原理是將石灰石加水成漿,它能阻止煙氣中的二氧化硫和氧化反響,生成硫酸鈣。 經(jīng)過不斷的反響,硫酸鈣達到一定的飽和度后,就構(gòu)成了結(jié)晶二水石膏。 然后停止這些石膏的脫水處理,堆放在石膏儲藏室。 生物脫硫后的煙氣經(jīng)過除霧器和換熱器后,可通過煙囪排入大氣,經(jīng)脫硫設(shè)備處理的煙氣脫硫效率可達95%。
The principle of biological desulfurization equipment is to add water to limestone to form slurry, which can prevent sulfur dioxide and oxidation reaction in flue gas and generate calcium sulfate. After constant response, calcium sulfate reaches a certain degree of saturation, which forms crystalline dihydrate gypsum. Then stop the dehydration of these gypsum and stack them in the gypsum storage room. The flue gas after biological desulfurization can be discharged into the atmosphere through the chimney after passing through the demister and heat exchanger, and the desulfurization efficiency of flue gas treated by the desulfurization equipment can reach 95%.
這種脫硫方法如此方便,除了自身的脫硫原理外,還需要高質(zhì)量的脫硫設(shè)備,為了更好地發(fā)揮脫硫效果,生物脫硫設(shè)備需要一定的耐腐蝕性,理由如下:
This desulfurization method is so convenient. In addition to its own desulfurization principle, it also requires high-quality desulfurization equipment. In order to give better play to the desulfurization effect, biological desulfurization equipment needs certain corrosion resistance. The reasons are as follows:
1 .化學(xué)腐蝕,主要是指煙道中有腐蝕性的介質(zhì)在一定溫度下與金屬設(shè)備發(fā)生化學(xué)反響,生成可溶性鐵鹽,隨時間的推移對設(shè)備產(chǎn)生腐蝕作用。
1. Chemical corrosion mainly refers to the chemical reaction between the corrosive medium in the flue and the metal equipment at a certain temperature, which generates soluble iron salts and corrodes the equipment over time.
2 .電化學(xué)腐蝕,這主要是指金屬設(shè)備外表含水和電解質(zhì)時,外表構(gòu)成一次電池,產(chǎn)生電流,經(jīng)過一段時間也會產(chǎn)生腐蝕作用。
2. Electrochemical corrosion, which mainly refers to that when the surface of metal equipment contains water and electrolyte, the surface forms a primary battery and generates current, which will also cause corrosion after a period of time.
3 .磨損腐蝕,主要是指煙道中殘留固體顆粒,這些顆粒會停止與生物脫硫設(shè)備外表的摩擦,不時更新外表,加速與設(shè)備外表的腐蝕過程,使設(shè)備外表變薄。
3. Abrasion corrosion mainly refers to the residual solid particles in the flue. These particles will stop the friction with the surface of the biological desulfurization equipment, update the surface from time to time, accelerate the corrosion process with the surface of the equipment, and make the surface of the equipment thinner.
由此可見,生物脫硫設(shè)備的生產(chǎn)必須關(guān)注設(shè)備防腐性能的設(shè)計,這一環(huán)節(jié)在整個生物脫硫過程中也起著重要的作用。
It can be seen that the production of biological desulfurization equipment must pay attention to the design of equipment anti-corrosion performance, which also plays an important role in the whole biological desulfurization process.
以上就是為大家介紹的有關(guān)生物脫硫詳細的介紹,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,為您提供服務(wù)http://www.mimi5.cn
The above is a detailed introduction of biological desulfurization for you, and we hope it will be helpful to you. If you have any questions, please contact us. We will provide services for you with our attitude http://www.mimi5.cn

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