本文選題：空分裝置 + 變負(fù)荷�。� 參考：《浙江工業(yè)大學(xué)》2014年碩士論文

【摘要】：生產(chǎn)調(diào)度能為企業(yè)帶來明顯的經(jīng)濟(jì)效益,基于數(shù)學(xué)規(guī)劃的調(diào)度問題的建模與求解,是理論和應(yīng)用研究的一個熱點(diǎn)問題。本論文以鋼鐵企業(yè)用氧調(diào)度為背景,研究多個可變負(fù)荷的空分裝置聯(lián)產(chǎn)調(diào)度問題。 本文研究工作主要包括以下三個方面： 1.現(xiàn)有的空分調(diào)度模型通常采用線性方程描述空分裝置中各產(chǎn)品的比例關(guān)系,與變負(fù)荷裝置中氧、氬、氮等產(chǎn)品的內(nèi)在關(guān)系差別較大。因此本文引入變負(fù)荷空分裝置機(jī)理方程,建立單臺空分變負(fù)荷的非線性約束方程。 2.考慮到空分流程的復(fù)雜性及聯(lián)產(chǎn)調(diào)度中存在等價設(shè)備的情況,選擇資源任務(wù)網(wǎng)絡(luò)作為建模方法,用以描述整個系統(tǒng)中可使用的設(shè)備情況及物料流股的流動方向,避免遺漏方程。然后以某鋼鐵企業(yè)為背景,建立空分聯(lián)產(chǎn)變負(fù)荷調(diào)度模型。 3.通過人工調(diào)度仿真結(jié)果進(jìn)行調(diào)度模型的參數(shù)估計(jì),估算出管網(wǎng)氧氣流量與壓力關(guān)系式中的參數(shù)K。其次用仿真獲得的氮?dú)獾漠a(chǎn)量與人工調(diào)度實(shí)際的氮?dú)猱a(chǎn)量進(jìn)行對比,驗(yàn)證模型中引入機(jī)理方程的準(zhǔn)確性。最后求解以企業(yè)經(jīng)濟(jì)效益最大為目標(biāo)的聯(lián)產(chǎn)變負(fù)荷調(diào)度命題,分別以無放散,及放散量不受限制兩種約束條件進(jìn)行求解,求解結(jié)果優(yōu)于人工調(diào)度,驗(yàn)證調(diào)度模型的有效性。
[Abstract]:Production scheduling can bring obvious economic benefits to enterprises. Modeling and solving scheduling problems based on mathematical programming is a hot issue in theory and application research. In this paper, based on oxygen scheduling in iron and steel enterprises, the co-generation scheduling problem of multiple air separation units with variable load is studied. The research work of this paper mainly includes the following three aspects: 1. The existing air separation scheduling models usually use linear equations to describe the proportion of each product in the air separation unit, which is different from the internal relationship of oxygen, argon, nitrogen and other products in the variable load plant. Therefore, this paper introduces the mechanism equation of the air separation unit with variable load, and establishes the nonlinear constraint equation for the variable load of a single air separation unit. 2. Considering the complexity of the air separation process and the existence of equivalent equipment in the joint production scheduling, the resource task network is selected as the modeling method to describe the available equipment and the flow direction of the material flow unit in the whole system, and to avoid the omission of the equation. Then, based on the background of a certain iron and steel enterprise, the model of combined air separation and variable load dispatching is established. 3. 3. The parameters of the scheduling model are estimated by artificial scheduling simulation results, and the parameters K in the relationship between oxygen flow and pressure are estimated. Secondly, the simulation results of nitrogen production are compared with the actual nitrogen production by manual scheduling to verify the accuracy of the mechanism equation introduced in the model. Finally, the proposition of cogeneration variable load scheduling, which aims at the maximum economic benefit of the enterprise, is solved with two constraints: no release and no restriction. The result is superior to that of manual scheduling, which verifies the validity of the scheduling model.
【學(xué)位授予單位】：浙江工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TB497

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