本文選題：氨合成塔 + 壓力升高��； 參考：《西安石油大學(xué)》2015年碩士論文

【摘要】：新疆庫爾勒塔里木大化肥項(xiàng)目合成氨設(shè)計(jì)生產(chǎn)能力45萬t/a,采用丹麥托普索公司S一300徑向合成氨生產(chǎn)工藝,是目前國(guó)內(nèi)單套生產(chǎn)能力最大的化肥裝置之一。為了降低能耗,提高氨的產(chǎn)量,達(dá)到設(shè)計(jì)產(chǎn)能。論文從各個(gè)方面分析了氨合成塔壓力升高的原因,通過采取有效的方法消除了不利因素,控制了壓力,提高了氨產(chǎn)量。論文對(duì)引起合成塔壓力升高的各種因素做了全面的理論分析,并結(jié)合生產(chǎn)實(shí)際,提出了具體的消減措施。理論結(jié)合實(shí)際。通過一系列的驗(yàn)證手段,如氨壓縮機(jī)出口冷凝器在線清洗;合成塔進(jìn)出口換熱器泄漏原因及工藝處置;液氨受槽至不凝氣氨冷器,低壓馳放氣流量的最佳值確認(rèn)等,提高了裝置的生產(chǎn)能力,保證了裝置的平穩(wěn)運(yùn)行。同時(shí),還為國(guó)內(nèi)同類裝置類似問題,提供了有效的處置方案,具有極高的現(xiàn)實(shí)意義。本文對(duì)方案措施進(jìn)行量化處理,具體體現(xiàn)在可執(zhí)行性和可操作性。步驟清晰明確,是經(jīng)過數(shù)次反復(fù)失敗后,反復(fù)確認(rèn)后的精確數(shù)據(jù)。如對(duì)壓縮機(jī)轉(zhuǎn)速、防喘閥的控制都是極為科學(xué)合理的。論文所涉及的經(jīng)濟(jì)效益是驚人的,問題的解決,每年可以為企業(yè)挽回1.9億的經(jīng)濟(jì)損失,這相當(dāng)于一個(gè)大型化工廠的效益總和。
[Abstract]:The design capacity of ammonia synthesis in Kuerle Tarim chemical fertilizer project in Xinjiang is 450000 t / a, and the production process of S-300 radial synthetic ammonia is adopted in Topso, Denmark. It is one of the largest single chemical fertilizer units in China at present. In order to reduce energy consumption, increase ammonia production, achieve design capacity. In this paper, the causes of pressure rise in ammonia converter are analyzed from various aspects. The unfavorable factors are eliminated, the pressure is controlled and the ammonia output is increased by adopting effective methods. This paper makes a comprehensive theoretical analysis of various factors that cause the pressure rise of the converter, and puts forward the concrete measures for reducing the pressure in combination with the production practice. Theory is combined with practice. Through a series of verification measures, such as on-line cleaning of the outlet condenser of ammonia compressor, leakage cause and process disposal of heat exchanger at the inlet and outlet of the converter, confirmation of the optimum value of the flow rate of low-pressure gallop through the ammonia condenser from the tank to the non-condensed gas, etc. The production capacity of the device is improved and the smooth operation of the device is ensured. At the same time, it also provides an effective disposal scheme for similar devices in China, which is of great practical significance. This article carries on the quantification processing to the plan measure, concretely manifests in the execution and the maneuverability. The steps are clear and clear, after several repeated failures, after repeated confirmation of accurate data. Such as compressor speed, anti-surge valve control is extremely scientific and reasonable. The economic benefit involved in the paper is amazing. The solution of the problem can save 190 million of the economic loss for the enterprise every year, which is equivalent to the sum of the benefits of a large chemical plant.
【學(xué)位授予單位】：西安石油大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TQ113.252

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