譚建榮

摘 要：針對(duì)我國(guó)大型鋼鐵、大型石化、大型火電等重大工程必需的復(fù)雜空氣分離類(lèi)成套裝備超大型化與低能耗化的關(guān)鍵技術(shù)難題，探索解決“低能耗驅(qū)動(dòng)的大尺度混合流復(fù)雜界面漸變形成規(guī)律、超大型化多機(jī)組多變量關(guān)聯(lián)的變量（場(chǎng)）分離與耦合原理”與“高可靠性關(guān)鍵部機(jī)的壽命均衡設(shè)計(jì)與穩(wěn)定運(yùn)行理論”等基礎(chǔ)科學(xué)問(wèn)題。針對(duì)3個(gè)關(guān)鍵科學(xué)問(wèn)題，設(shè)置了6個(gè)課題：大尺度混合流與非定常流動(dòng)界面形成規(guī)律、大型裝備中動(dòng)力學(xué)非線性耦合機(jī)理、復(fù)雜工況多機(jī)組多變量關(guān)聯(lián)設(shè)計(jì)理論、多機(jī)組同步穩(wěn)定與壽命均衡設(shè)計(jì)原理、關(guān)鍵部機(jī)高強(qiáng)度大構(gòu)件保質(zhì)制造技術(shù)和超大型空分裝備性能實(shí)驗(yàn)仿真與集成。通過(guò)該研究，闡明大型空氣分離類(lèi)成套裝備大尺度混合流界面對(duì)氣體傳熱傳質(zhì)的影響機(jī)理，揭示裝備內(nèi)部多相流體的非定常交變流動(dòng)機(jī)理與能量遷移規(guī)律；闡明復(fù)雜工況大型裝備動(dòng)力學(xué)非線性耦合機(jī)理，建立跨機(jī)組多變量多參數(shù)關(guān)聯(lián)的裝備性能分析與工藝設(shè)計(jì)理論；揭示空分成套裝備關(guān)鍵機(jī)組與關(guān)鍵部機(jī)高可靠性長(zhǎng)壽命機(jī)理，提出關(guān)鍵機(jī)組與關(guān)鍵部機(jī)大型結(jié)構(gòu)件的均衡壽命設(shè)計(jì)與保質(zhì)制造方法；從而，為新一代空氣分離類(lèi)成套裝備理論突破提供科學(xué)基礎(chǔ)。

關(guān)鍵詞：復(fù)雜空氣分離類(lèi)成套裝備 超大型化 低能耗化 大尺度混合流 耦合關(guān)聯(lián)設(shè)計(jì) 壽命均衡 保質(zhì)設(shè)計(jì)制造

Abstract：Focusing on the key technique problems of super-large complex air separation equipment with low energy consumption which is a necessity of steel， petrochemical， and thermal power industry in China， several basic scientific questions are explored， "complex large-scale mixed flow interface gradient formation law driven by low energy consumption”，“super-large multi-set multivariable field coupling and decoupling principle"， "key sets life balance design and stable operation theory with high reliability" etc. Six topics are set up centered on these three key scientific questions， interface formation laws of large-scale mixed flow and unsteady flow， dynamics nonlinear coupling mechanism of large equipment， multivariable and multi-set correlation design theory under complicated conditions， multi-sets synchronization stability and life balance principle， key sets high-strength component quality-ensured manufacturing， super-large complex air separation equipment performance test， simulation， and integration. The research of this project clarified the affection of super-large complex air separation equipment large-scale mixed flow to the mechanism of gas heat and mass transfer， revealed the poly-phase fluid unsteady flow alternating mechanism and energy migration law in equipment， illuminated dynamics nonlinear coupling mechanism of large equipment under complicated conditions， established the equipment inter-set multi-variable multi-parameter performance analysis and process design theory， uncovered air separation equipment key set and unit high reliability and long duration mechanism， proposed key set and unit large-scale structure life balance design and quality-ensured manufacturing method， thus providing the scientific basis for next generation air separation equipment theoretical breakthrough.

Key Words：Complex Air Separation Equipment；Super-large Trend；Lower Energy Consumption；Large-scale Mixed Flow；Coupling Correlation Design；Life Balance；Design for Quality and Manufacturing

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