【摘要】：近年來(lái)國(guó)內(nèi)外石化企業(yè)由于油品泄露導(dǎo)致污染的案例屢見(jiàn)不鮮。沿海油庫(kù)毗鄰大海,一旦發(fā)生泄漏會(huì)對(duì)海洋環(huán)境造成重大污染,尤其是在雨季排水量激增時(shí)后果更為嚴(yán)重。研究沿海大型原油庫(kù)污水處理系統(tǒng)可靠性對(duì)于防止海洋污染、降低油庫(kù)的經(jīng)濟(jì)損失具有重要意義。論文以黃島油庫(kù)為例,對(duì)沿海大型原油庫(kù)污水處理系統(tǒng)可靠性進(jìn)行了研究。在對(duì)黃島油庫(kù)污水處理系統(tǒng)進(jìn)行詳細(xì)調(diào)研的基礎(chǔ)上,利用Fluent軟件選取RNGk-?模型湍流模型和Mixture多相流模型對(duì)油庫(kù)污水處理系統(tǒng)中的關(guān)鍵設(shè)施——罐區(qū)隔油池在雨季作為初期隔油措施的可靠性進(jìn)行數(shù)值模擬,確定了模擬中的油滴粒徑和水封高度,分析了入口含油量、積水深度等因素對(duì)隔油池隔油效果的影響;對(duì)罐區(qū)隔油池的形狀和結(jié)構(gòu)進(jìn)行了優(yōu)化,得出了圓柱形隔油池隔油效果優(yōu)于現(xiàn)用方形隔油池、增設(shè)溢油口的隔油池優(yōu)于現(xiàn)有無(wú)溢油口隔油池的結(jié)論,根據(jù)模擬結(jié)果對(duì)黃島油庫(kù)罐區(qū)隔油池結(jié)構(gòu)改造提出了合理化建議;在對(duì)罐區(qū)隔油池?cái)?shù)值模擬的基礎(chǔ)上,通過(guò)建立隔油池室內(nèi)實(shí)驗(yàn)?zāi)Ｐ?對(duì)隔油池隔油效果進(jìn)行了實(shí)驗(yàn)研究,并與模擬結(jié)果進(jìn)行了比較;為了檢驗(yàn)整個(gè)污水處理系統(tǒng)的可靠性,對(duì)系統(tǒng)中的其它關(guān)鍵設(shè)備抗強(qiáng)降雨沖擊性能進(jìn)行了分析,結(jié)合分析結(jié)果對(duì)現(xiàn)場(chǎng)操作提出了建議。
[Abstract]:In recent years, domestic and foreign petrochemical enterprises caused by oil leakage pollution cases are common. The coastal oil depots are adjacent to the sea, which will cause serious pollution to the marine environment once the oil spill occurs, especially when the discharge surge in the rainy season is more serious. It is of great significance to study the reliability of sewage treatment system for large crude oil depots in coastal areas for preventing marine pollution and reducing the economic losses of oil depots. Taking Huangdao Oil Depot as an example, the reliability of sewage treatment system of large crude oil depot in coastal area is studied in this paper. On the basis of the detailed investigation on the sewage treatment system of Huangdao Oil Depot, RNGk-? is selected by using Fluent software. The model turbulence model and the Mixture multiphase flow model are used to simulate the reliability of the oil tank, the key facility of the oil depot sewage treatment system, as an early oil separation measure in the rainy season. The size of the oil droplet and the water seal height in the simulation are determined. The influence of oil content at inlet and depth of water on the oil separation effect of oil separator is analyzed. The shape and structure of the oil tank in the tank area are optimized, and the conclusion is drawn that the oil separation effect of the cylindrical oil separator is better than that of the square oil separator, and the oil spill opening is better than the existing oil spill tank. According to the simulation results, reasonable suggestions are put forward for the reconstruction of the oil separation tank structure in the oil tank area of Huangdao Oil Depot. On the basis of the numerical simulation of the oil separation tank in the tank area, through establishing the indoor experimental model of the oil separation tank, the oil separation effect of the oil separation tank is studied experimentally, and the results are compared with the simulation results. In order to test the reliability of the whole sewage treatment system, the performance of other key equipments in the system against heavy rainfall shock is analyzed, and some suggestions for field operation are put forward in combination with the analysis results.
【學(xué)位授予單位】：中國(guó)石油大學(xué)(華東)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TE972

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本文編號(hào)：2357144