[Ten years of major development in chemical equipment] 1836-2013 The first set of industrial equipment for ultrasonic dehydration of waste oil was put into operation at Yangzi Petrochemical

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2 0 2 4 Safety first, prevention first. Thumbs up for the achievements of China’s chemical technology and equipment. * * * * * * * * * * * * * * * * * * * * * * [Ten years of development of chemical equipment] Continue to update summary posts, welcome to participate in the discussion https://bbs.hcbbs.com/thread-3576046-1-1.html (Source: Haichuan Chemical Forum Network) * * * * * * * * * * * * * * * * * November 3, 2009. Yangzi Petrochemical Refinery has taken effective measures to continuously accelerate the construction of waste oil ultrasonic dehydration equipment, a technical improvement project for the quality of recycled waste oil. After the project is completed and put into use, it will * * Reduce the moisture content of waste oil, improve the quality of recycled waste oil, and at the same time save steam consumption, effectively achieving a win-win situation of environmental protection and efficiency improvement. 　　With the price of crude oil remaining high, the plant has put forward the work goal of "reducing the output of water and gasoline residues, so as to collect all receivables, reduce all receivables, and maximize corporate benefits." Re-refining the waste oil produced by recycling the sewage treatment system can not only generate considerable economic benefits, but also reduce the cost of sending pollutants out for treatment, and also help improve the quality of sewage. To this end, the water truck workshop responsible for recycling waste oil promptly adjusts the frequency of oil collection based on the amount of wastewater and the size of the oil content. ； Optimize the oil collection process of hydrocyclone separation tank ； Strengthen the control of the oil recovery liquid level to prevent the oil recovery from bringing in too much oil residue and sewage. At present, the plant uses the steam heating dehydration method to dehydrate dirty oil. The steam heating time is long, the energy consumption is high, and the dehydration rate of dirty oil is low. To this end, the water truck workshop applied for technical transformation of ultrasonic dehydration of waste oil through research. The use of ultrasonic dehydration has the advantages of small equipment footprint, high dirty oil dehydration rate, short time and low energy consumption. After the project is completed and put into operation, it can save more than 5,000 tons of steam consumption throughout the year. At the same time, it improves the dehydration rate of waste oil, ensuring that the moisture content of recycled waste oil is less than 10%, ensuring that the waste oil can be recycled in time after dehydration. Since the beginning of this year, under the unfavorable conditions of processing low-quality crude oil, the refinery has achieved a record high volume of waste oil recovery and refining, and strives to move towards the goal of "eating all the oil and squeezing it out", which has become a highlight of the plant's efficiency improvement. On February 6, 2013, the latest assessment data of the 60,000 tons/year sewage oil ultrasonic dehydration treatment device at Yangzi Petrochemical showed that compared with traditional treatment methods, this industrial demonstration device increased the treatment efficiency by more than 3 times, while reducing the amount of steam. It has made a successful demonstration for improving the dehydration efficiency of refinery sewage oil and realizing the green development of the traditional petrochemical industry. According to literature review, there are no reports of industrialization of ultrasonic waste oil dehydration technology, and its application in the petroleum and petrochemical industry is still in the experimental stage. This demonstration device is the first in China.