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污油泥處理的需要注意的事項?(The need note of treatment of dirty oily sludge?)

污油泥處理的需要注意的事項?(The need note of treatment of dirty oily sludge?)

  • 分類:行業新聞
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  • 發布時間:2022-09-14
  • 訪問量:0

【概要描述】 隨著自然資源的消耗加快,一些廢棄物的利用技術越來越被企業所關注,而在我國的自然資源短缺狀況尤為嚴重。因此,大家也看到了其實一些廢棄物的資源化利用研究在我國就顯得更為重要。那么你知道污油泥處理的需要注意的事項?


With the accelerated consumption of natural resources, some waste utilization technologies are increasingly concerned by enterprises, and the shortage of natural resources in China is particularly serious. Therefore, we have also seen that recycling research of some wastes is more important in China. So you know the need to pay attention to the disposal of sludge?

污油泥處理的需要注意的事項?(The need note of treatment of dirty oily sludge?)

【概要描述】 隨著自然資源的消耗加快,一些廢棄物的利用技術越來越被企業所關注,而在我國的自然資源短缺狀況尤為嚴重。因此,大家也看到了其實一些廢棄物的資源化利用研究在我國就顯得更為重要。那么你知道污油泥處理的需要注意的事項?


With the accelerated consumption of natural resources, some waste utilization technologies are increasingly concerned by enterprises, and the shortage of natural resources in China is particularly serious. Therefore, we have also seen that recycling research of some wastes is more important in China. So you know the need to pay attention to the disposal of sludge?

  • 分類:行業新聞
  • 作者:
  • 來源:
  • 發布時間:2022-09-14
  • 訪問量:0
詳情

  隨著自然資源的消耗加快,一些廢棄物的利用技術越來越被企業所關注,而在我國的自然資源短缺狀況尤為嚴重。因此,大家也看到了其實一些廢棄物的資源化利用研究在我國就顯得更為重要。那么你知道污油泥處理的需要注意的事項?

With the accelerated consumption of natural resources, some waste utilization technologies are increasingly concerned by enterprises, and the shortage of natural resources in China is particularly serious. Therefore, we have also seen that recycling research of some wastes is more important in China. So you know the need to pay attention to the disposal of sludge?

  在污油泥處理的同時,還產生“三污泥”。油泥是“三泥”的一部分,主要來自浮選產生的浮渣、回收污水油脫水產生的油泥、隔油池底部污泥的排放。當然,它是石油化工行業的主要污染源之一。除此之外,這里還需要知道的是,其煉油污水中含油污泥的含油量一般為4%~8%,水分為60%~99%,其余為固體物質如如泥土、沙子和微生物。膠團、懸浮物和絮凝劑的聚合物等。除了這些話,大家還需要知道的是,一般中小型煉油廠每年產生數萬噸污泥。如果不進行處理,直接排放和積累到自然環境中,其中的有害物質和石油烴會隨著雨水的侵蝕而嚴重污染土壤和環境。污油泥處理長期露天存放,許多低分子揮發性污染物會揮發到空氣中,對大氣造成污染。同時,污油泥處理在厭氧條件下會產生大量硫化氫,影響周圍空氣環境。甚至對人員安全構成威脅。

In the treatment of oil sludge, but also produce "three sludge". Oil sludge is a part of "three mud", which mainly comes from the scum produced by flotation, the oil sludge produced by the dewatering of recycled sewage oil, and the sludge discharged from the bottom of the grease trap. It is, of course, one of the main sources of pollution in the petrochemical industry. In addition, it is also necessary to know that the oil content of the oily sludge in the refinery sewage is generally 4%~8%, the water content is 60%~99%, and the rest is solid material such as soil, sand and microorganisms. Polymers of micelles, suspensions and flocculants, etc. In addition to these words, you need to know that the average small and medium-sized refinery produces tens of thousands of tons of sludge every year. If not treated, directly discharged and accumulated into the natural environment, the harmful substances and petroleum hydrocarbons will seriously pollute the soil and environment with the erosion of rain. Long term open storage of oil sludge treatment, many low molecular volatile pollutants will volatilize into the air, causing air pollution. At the same time, a large amount of hydrogen sulfide will be produced by sludge treatment under anaerobic conditions, which will affect the surrounding air environment. Even poses a threat to personnel safety.

  污油泥處理的難點在于含油污泥是多介質混合物混合在一起形成相對穩定的懸浮液。油泥可先靜置沉淀,分離油泥中的水分。在剩余的懸浮液中,這也主要是由于固體顆粒上附著有石油類物質,石油類物質具有較強的附著力,從而形成了較為穩定的混合液。除了這些話,大家需要知道的是,這種混合溶液采用靜置沉降的方法處理效果很差。過去,許多設備嘗試使用真空過濾機、板框壓濾機和帶式壓濾機進行過濾。由于石油類物質的存在,特別是它們的高粘度,濾網和濾布很快就被堵塞了。污油泥處理量小,運行周期短,分離效果也很不理想。使用轉鼓離心機對含油污泥進行脫水是一種能耗低、效果顯著的方法。由于污油泥處理中存在石油類物質,形成的混合物相對穩定。通常,新生成的油泥中仍有一部分游離水。當然,這部分水可以通過自然靜沉來分離,其體積一般占總體積的15%~40%,含油量較小。

The difficulty of oily sludge treatment lies in the fact that oily sludge is a mixture of multiple media to form a relatively stable suspension. The sludge can be settled to separate the water in the sludge. In the remaining suspension, this is mainly due to the solid particles attached to petroleum substances, petroleum substances have strong adhesion, thus forming a more stable mixture. In addition to these words, you need to know that this mixture of solutions by standing sedimentation method is very poor treatment. In the past, many devices tried to use vacuum filter, plate and frame filter press and belt filter press for filtration. Due to the presence of petroleum substances, especially their high viscosity, the screens and press cloths quickly become clogged. The waste oil sludge treatment capacity is small, the operation cycle is short, and the separation effect is not ideal. Using rotary centrifuge to dehydrate oily sludge is a method with low energy consumption and remarkable effect. Due to the presence of petroleum substances in the sludge treatment, the mixture formed is relatively stable. Usually, there is still some free water in the newly generated sludge. Of course, this water can be separated by natural sedimentation, and its volume generally accounts for 15% ~ 40% of the total volume, with a small oil content.

  通過上述內容對介紹以后,我們也污油泥處理的需要注意的事項有了進一步的了解。以后再看到他的時候就不會感到陌生了,而且在使用的過程中也不會經常出現問題。好了,今天的內容就說到這里。

After the introduction of the above content, we also have a further understanding of the need to pay attention to the treatment of oil sludge. When I see him again, I will not feel strange, and I will not often have problems in the process of using him. Well, that's all for today.

 

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污油泥處理:下面介紹下含油污泥處理工藝概述(Oily sludge treatment: The following introduction of oily sludge treatment process overview)
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污油泥處理的一些好處?(Some benefits of sludge treatment?)
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