本文選題：輸配平衡 + 水力平衡�。� 參考：《哈爾濱工業(yè)大學(xué)》2015年碩士論文

【摘要】：在我國北方地區(qū),集中供熱已得到較為廣泛的應(yīng)用,供熱規(guī)模擴大化、供熱形式多樣化、供熱系統(tǒng)智能化已經(jīng)成為主要的發(fā)展趨勢。隨之而來的水力失調(diào)和熱力失調(diào)問題也越來越復(fù)雜,成為集中供熱技術(shù)發(fā)展的關(guān)鍵,因此對該問題作出深入研究、探索解決該問題的方法和策略就成為促進集中供熱領(lǐng)域重中之重。本文首先基于供熱管網(wǎng)水力和熱力特性提出了適用于間接連接供熱系統(tǒng)不同運行階段的熱網(wǎng)輸配平衡調(diào)節(jié)方法——平均溫度調(diào)節(jié)法,詳細闡述了該方法的理論依據(jù)和調(diào)節(jié)流程,并以某市集中供熱系統(tǒng)為實際案例對該方法的可行性進行了驗證。其次,在原有方法基礎(chǔ)上,對其應(yīng)用范圍進行了拓展性研究,提出了適用于多種不同類型復(fù)雜供熱系統(tǒng)的平均溫度調(diào)節(jié)法。對于同時包含間接連接、無混水裝置直接連接、混水直接連接三種熱網(wǎng)連接方式,同時包含散熱器采暖和地板輻射采暖兩種不同采暖形式熱用戶,以及同時包含不同采暖需求熱用戶的供熱系統(tǒng),提出各種不同組合方式下原有方法的修正方式,極大地拓寬了平均溫度調(diào)節(jié)法的適用范圍和調(diào)節(jié)精度。建立了含自管站的集中供熱管網(wǎng)水力分區(qū)模式,并對水力分區(qū)的目的進行了說明。在該水力分區(qū)模式中,提出以水力相關(guān)性系數(shù)為評價指標進行水力分區(qū),并提出以水力影響度來衡量各自管站對供熱管網(wǎng)水力失調(diào)度的影響程度。基于熱網(wǎng)水力分區(qū),提出了包括水力分區(qū)的隔離措施、水力分區(qū)內(nèi)自管站的隔離措施及水力分區(qū)內(nèi)的自調(diào)節(jié)措施三個方面的熱網(wǎng)輸配平衡改造方案。并提出了基于水力分區(qū)和平均溫度調(diào)節(jié)法的輸配平衡調(diào)節(jié)策略及熱網(wǎng)運行調(diào)節(jié)策略。
[Abstract]:In the north of China, central heating has been widely used. The scale of heating is enlarged, the form of heating is diversified, and the intelligence of heating system has become the main development trend. The subsequent problems of hydraulic and thermal imbalance are becoming more and more complex and become the key to the development of central heating technology. Exploring the methods and strategies to solve this problem has become the most important in the field of promoting central heating. In this paper, based on the hydraulic and thermodynamic characteristics of the heating network, a new method of heat transmission and distribution balance adjustment, which is suitable for the different operation stages of indirectly connected heating system, is proposed in this paper. The theoretical basis and regulation flow of this method are described in detail. The feasibility of this method is verified by taking the central heating system of a certain city as a practical case. Secondly, on the basis of the original method, the application scope of the method is studied, and the average temperature regulation method suitable for many different types of complex heating systems is put forward. For the combination of indirect connection, direct connection without mixing device, direct connection of mixing water with three kinds of heat network connection, and heat users with two different heating forms, radiator heating and floor radiation heating, At the same time, the heat supply system with different heating demand is proposed, and the modification of the original method under different combinations is put forward, which greatly widens the scope of application and the adjustment precision of the average temperature regulation method. The hydraulic partition model of central heating network with self-pipe station is established and the purpose of hydraulic partition is explained. In the hydraulic zoning model, the hydraulic correlation coefficient is taken as the evaluation index for the hydraulic zoning, and the degree of hydraulic influence is proposed to measure the degree of hydraulic maladjustment of the heating network by their respective pipe stations. Based on the hydraulic partition of heat network, the transformation scheme of heat network transmission and distribution balance is put forward in three aspects, which include the isolation measure of hydraulic partition, the isolation measure of self-pipe station in hydraulic zone and the self-regulating measure in hydraulic zone. Based on the method of hydraulic zoning and average temperature adjustment, the strategy of balance regulation of transmission and distribution and the strategy of operation regulation of heat network are put forward.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TU995.3

【引證文獻】

相關(guān)會議論文 前1條

1 孫德興;陳海波;張吉禮;;低溫熱水地板輻射采暖地面散熱量的分析與計算[A];全國暖通空調(diào)制冷2002年學(xué)術(shù)文集[C];2002年

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本文編號：1892881