【正文】 水泵圖譜一定要明白。 H 應(yīng)為 倍的理論計(jì)算值。 摘要的英文翻譯應(yīng)當(dāng)重新翻譯，作者水平有限，錯(cuò)誤甚多。press balance 畢業(yè)設(shè)計(jì)（論文） III 目 錄 摘要 ..................................................................I ABSTRACT .............................................................II 第一章 緒論 ...........................................................1 設(shè)計(jì)題目 .................................................... 1 原始資料 .................................................... 1 設(shè)計(jì)地區(qū)氣象資料 ...................................................................................................................... 1 設(shè)計(jì)參數(shù)資料 ............................................................................................................................... 1 基本設(shè)計(jì)要求 ............................................................................................................................... 1 第二章 熱負(fù)荷的計(jì)算及熱負(fù)荷延續(xù)圖的繪制 ..........................2 集中供熱系統(tǒng)熱負(fù)荷的概算 ..................................... 2 集中供熱系統(tǒng)以及熱負(fù)荷的類型 .............................................................................................. 2 熱負(fù)荷的計(jì)算 ................................................. 2 采暖設(shè)計(jì)熱負(fù)荷的計(jì)算 ................................................................................................................ 2 生活用熱的設(shè)計(jì)熱負(fù)荷 ................................................................................................................ 5 年負(fù)荷的計(jì)算 ................................................................................................................................. 6 熱負(fù)荷延續(xù)時(shí)間圖的繪制 ....................................... 7 繪制熱負(fù)荷延續(xù)時(shí)間圖的意義 ................................................................................................... 7 熱負(fù)荷延續(xù)時(shí)間圖的繪制 ........................................................................................................... 7 第三章 供熱方案的確定 ...............................11 室外供熱管道的平面布置 ...................................... 11 供熱管道的平面布置類型 ......................................................................................................... 11 供熱管道的定線原則 .................................................................................................................. 11 熱水供應(yīng)方案的確定 ................................................................................................................ 12 第四章 管網(wǎng)水力計(jì)算與水壓圖 .........................................14 一級(jí)網(wǎng)的水力計(jì)算 ............................................ 14 計(jì)算方法 ...................................................................................................................................... 14 畢業(yè)設(shè)計(jì)（論文） IV 水力計(jì)算的步驟 ......................................................................................................................... 14 部分管路計(jì)算實(shí)例 .................................................................................................................. 15 二級(jí)網(wǎng)水力計(jì)算 .............................................. 19 計(jì)算步驟 ...................................................................................................................................... 19 繪制網(wǎng)路水壓圖 .............................................. 21 繪制網(wǎng)路水壓圖的必要性 ....................................................................................................... 21 網(wǎng)路水壓圖的原理及其作用 ................................................................................................... 22 繪制水壓圖的原則和要求 ....................................................................................................... 22 繪制熱水網(wǎng)路水壓圖水壓圖的步驟和方法 ......................................................................... 22 第五章 熱水供暖系統(tǒng)的運(yùn)行調(diào)節(jié)調(diào)節(jié)曲線 ...........................24 運(yùn)行調(diào)節(jié)概述 ................................................ 24 運(yùn)行調(diào)節(jié)的意義 ......................................................................................................................... 24 調(diào)節(jié)方式的確定 .......................................................................................................................... 24 二級(jí)網(wǎng)的調(diào)節(jié)曲線的確定 ..................................................................................................... 24 確定一級(jí)網(wǎng)路質(zhì)量 — 流量調(diào)節(jié)曲線 ...................................................................................... 27 第六章 設(shè) 備選擇 ......................................................29 一級(jí)網(wǎng)設(shè)備選擇 .............................................. 29 循環(huán)水泵的選擇 ............................................ 29 補(bǔ)水泵的選擇 .............................................. 31 波紋管補(bǔ)償器 ............................................................................................................................. 34 二級(jí)網(wǎng)設(shè)備選擇 ............................................................................................................................. 34 循環(huán)水泵的選擇 ......................................................................................................................... 35 補(bǔ)給水泵的選擇 ......................................................................................................................... 37 換熱器的選取 .............................................. 40 分水器、集水器 ......................................................................................................................... 43 補(bǔ)水箱的選擇 ............................................................................................................................. 44 除污器的選擇 ............................................................................................................................. 44 第七章 管道的敷設(shè)與保溫 ......................................... 46 管道的保溫 .................................................. 46 保溫的目的 ................................................................................................................................. 46 保溫材料的選擇 ......................................................................................................................... 46 畢業(yè)設(shè)計(jì)（論文） V