【摘要】：針對(duì)某石化企業(yè)煉油裝置原油輸送雙吸泵振動(dòng)嚴(yán)重超標(biāo),嚴(yán)重影響企業(yè)安全的問(wèn)題,對(duì)原油泵振動(dòng)原因進(jìn)行了分析研究,具有一定的理論意義和較大的工程實(shí)用價(jià)值。通過(guò)雙吸泵工作現(xiàn)場(chǎng)的勘察、振動(dòng)測(cè)點(diǎn)的選擇、泵工作狀態(tài)下振動(dòng)測(cè)試,并利用專用儀器對(duì)雙吸泵的振動(dòng)信號(hào)進(jìn)行了頻譜分析。結(jié)合振動(dòng)信號(hào)頻譜分析結(jié)果,對(duì)引起雙吸泵振動(dòng)的原因進(jìn)行了詳細(xì)分析,同時(shí)考查了變負(fù)荷條件下,雙吸泵的振動(dòng)變化情況,找出了引起雙吸泵振動(dòng)超標(biāo)的主要原因。結(jié)合實(shí)際對(duì)不同泵組分別給出了不同的檢修方案和改造措施。方案和改造措施實(shí)施后,對(duì)雙吸泵組的振動(dòng)再次進(jìn)行了測(cè)試。結(jié)果表明,泵組的振動(dòng)明顯減小,已達(dá)到泵振動(dòng)的相關(guān)控制標(biāo)準(zhǔn),滿足長(zhǎng)期安全運(yùn)轉(zhuǎn)的振動(dòng)條件,取得了良好的效果。
[Abstract]:In view of the problem that the vibration of the crude oil conveying double suction pump in a petrochemical enterprise is seriously exceeding the standard and seriously affecting the safety of the enterprise, the causes of the vibration of the original oil pump are analyzed and studied, which has certain theoretical significance and great engineering practical value. Through the field investigation of double suction pump, the selection of vibration measuring points, the vibration test under the pump working state, and the frequency spectrum analysis of the vibration signal of double suction pump with special instrument. Combined with the results of frequency spectrum analysis of vibration signals, the causes of vibration of double suction pumps are analyzed in detail. At the same time, the vibration changes of double suction pumps under variable load conditions are investigated, and the main causes of vibration exceeding the standard of double suction pumps are found out. Combined with practice, different overhaul schemes and revamping measures are given for different pump groups. The vibration of the double suction pump group was tested again after the implementation of the scheme and the retrofitting measures. The results show that the vibration of the pump group is obviously reduced, which has reached the relevant control standard of the pump vibration and satisfied the vibration conditions of long-term safe operation, and achieved good results.
【學(xué)位授予單位】：華東理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TE964

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