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沼气净化的提纯设备的这些特性你了解吗?

时间:2021-07-28
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鉴于化石燃料枯竭危机,生物质燃料的开发和应用已成为关注的焦点。其中,沼气作为可再生能源,具有利用成本低,对环境没污染的特点。它们是高质量的环保燃料,可替代传统的化石能源。随着大型沼气和沼气项目的迅速发展,对用于高附加值沼气的沼气净化的提纯设备的需求日益迫切。沼气净化技术已得到不同程度的应用和发展。
In view of the depletion crisis of fossil fuels, the development and application of biomass fuels have become the focus of attention. Among them, biogas, as a renewable energy, has the characteristics of low utilization cost and no pollution to the environment. They are high-quality environment-friendly fuels and can replace traditional fossil energy. With the rapid development of large-scale biogas and biogas projects, the demand for biogas purification equipment for high value-added biogas is becoming more and more urgent. Biogas purification technology has been applied and developed to varying degrees.
厌氧反应会产生沼气,通常含有一定量的硫化氢。不同工业废水中沼气中硫化氢的含量不同。如果硫化氢的含量过高,则在进入锅炉之前必须去除沼气中的硫化氢,以免腐蚀管道和锅炉。您对沼气净化的提纯设备的这些特性是否足够清楚?
Anaerobic reaction will produce biogas, which usually contains a certain amount of hydrogen sulfide. The content of hydrogen sulfide in biogas is different in different industrial wastewater. If the content of hydrogen sulfide is too high, the hydrogen sulfide in biogas must be removed before entering the boiler to avoid corroding the pipeline and boiler. Are you clear enough about these characteristics of biogas purification equipment?
这是一种使用生物菌株从沼气中去除高腐蚀性和剧毒硫化氢气体的方法。该工艺具有自动化程度高,工艺简单,运行成本低的优点。厌氧发酵产生的沼气进入洗涤塔,并与基本循环喷雾器吸取反应,以从沼气中去除硫化氢。从富液吸取的硫化氢返回到生物反应器。生物转化后,将硫化氢转化为固体硫,并将溶液再生为碱性吸取液,可用于洗涤沼气,然后完成吸取剂的循环利用。硫固体的分离通过硫沉淀器完成。
This is a method of using biological strains to remove highly corrosive and highly toxic hydrogen sulfide gas from biogas. The process has the advantages of high degree of automation, simple process and low operation cost. The biogas generated by anaerobic fermentation enters the washing tower and absorbs reaction with the basic circulation sprayer to remove hydrogen sulfide from the biogas. The hydrogen sulfide absorbed from the rich solution is returned to the bioreactor. After biotransformation, hydrogen sulfide is converted into solid sulfur, and the solution is regenerated into alkaline absorption solution, which can be used to wash biogas, and then complete the recycling of absorbent. The separation of sulfur solids is completed by sulfur precipitator.
沼气净化的提纯设备将弱碱性条件下硫化氢的物理和化学吸取与空气中碱性溶液的生物再生相结合。没有硫化氢的沼气从洗涤塔顶部逸出,含有硫化氢的溶液流入生物反应器。在限制氧气供应的条件下,它被氧化成元素硫和碱。少量废水和副产物硫不含硫化物,可以直接排放。
The purification equipment of biogas purification combines the physical and chemical absorption of hydrogen sulfide under weak alkaline conditions with the biological regeneration of alkaline solution in the air. Biogas without hydrogen sulfide escapes from the top of the scrubber, and the solution containing hydrogen sulfide flows into the bioreactor. Under the condition of limiting oxygen supply, it is oxidized to elemental sulfur and alkali. A small amount of wastewater and by-product sulfur do not contain sulfide and can be discharged directly.

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