【摘要】：隨著我國供熱事業(yè)的迅速發(fā)展,供熱面積逐漸增長,相應(yīng)對供熱工程的投資力度也逐漸加大,供熱系統(tǒng)的重要性越來越突出。供熱系統(tǒng)是一個復(fù)雜的產(chǎn)、輸、配、用一體系統(tǒng),研究供熱系統(tǒng)的運(yùn)行優(yōu)化對提高系統(tǒng)的能源利用率和經(jīng)濟(jì)性及保證系統(tǒng)安全運(yùn)行至關(guān)重要。供熱系統(tǒng)的運(yùn)行受多變量控制和多因素影響,復(fù)雜程度高。怎樣的工況使供熱系統(tǒng)的運(yùn)行更穩(wěn)定、更經(jīng)濟(jì)是供熱系統(tǒng)運(yùn)行優(yōu)化的重點研究內(nèi)容。本文首先從數(shù)學(xué)的角度出發(fā),基于集合間的序關(guān)系定義了同一集合不同元素間的偏優(yōu)關(guān)系,在偏優(yōu)關(guān)系的基礎(chǔ)上提出與偏優(yōu)關(guān)系表述一致的優(yōu)函數(shù);其次將偏優(yōu)關(guān)系及優(yōu)函數(shù)應(yīng)用到供熱系統(tǒng)運(yùn)行優(yōu)化與調(diào)節(jié)中;然后基于供熱系統(tǒng)運(yùn)行參數(shù)向量間的偏優(yōu)關(guān)系建立關(guān)于系統(tǒng)運(yùn)行費用的優(yōu)函數(shù),以優(yōu)函數(shù)為目標(biāo)函數(shù),在按需供熱及系統(tǒng)安全穩(wěn)定運(yùn)行的約束條件下建立供熱系統(tǒng)數(shù)學(xué)優(yōu)化模型;最后在實際供熱工程中應(yīng)用數(shù)學(xué)優(yōu)化模型,通過求解模型得到系統(tǒng)運(yùn)行的偏優(yōu)工況,依據(jù)所得的偏優(yōu)工況對供熱系統(tǒng)進(jìn)行優(yōu)化調(diào)節(jié),實現(xiàn)供熱系統(tǒng)穩(wěn)定經(jīng)濟(jì)運(yùn)行的目標(biāo)。
[Abstract]:With the rapid development of heating in China, the heating area is gradually increasing, and the corresponding investment in heating projects is also gradually increasing, and the importance of heating system is becoming more and more prominent. Heating system is a complex system of production, transportation, distribution and use. It is very important to study the operation optimization of heating system in order to improve the energy efficiency and economy of the system and ensure the safe operation of the system. The operation of heating system is affected by multivariable control and many factors, and the complexity is high. What kind of working conditions make the operation of heating system more stable and economical is the key research content of heating system operation optimization. In this paper, from the point of view of mathematics, based on the order relation between sets, the partial optimal relation between different elements of the same set is defined, and the optimal function which is consistent with the expression of partial optimal relation is put forward on the basis of partial optimal relation. Secondly, the optimal relationship and optimal function are applied to the operation optimization and regulation of heating system. Then, based on the partial optimal relationship between the operation parameter vectors of the heating system, the optimal function about the operating cost of the system is established, and the optimal function is taken as the objective function. The mathematical optimization model of heating system is established under the constraint of on-demand heating and safe and stable operation of the system. Finally, the mathematical optimization model is applied in the actual heating engineering, and the optimal operating conditions of the system are obtained by solving the model, and the heating system is optimized and adjusted according to the obtained preferential working conditions, so as to achieve the goal of stable and economic operation of the heating system.
【學(xué)位授予單位】：河北建筑工程學(xué)院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TU995

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