【正文】 ............ 9 供熱原理 ............................................................................................................ 9 熱電聯(lián)產(chǎn)機(jī)組能流分布 ..................................................................................... 10 蒸汽管網(wǎng)現(xiàn)狀 ................................................................................................... 10 二級(jí)管網(wǎng)現(xiàn)狀 ................................................................................................... 12 熱負(fù)荷分析 ............................................................................................................ 13 熱負(fù)荷現(xiàn)狀 ....................................................................................................... 13 熱負(fù)荷發(fā)展預(yù)測(cè) ................................................................................................ 14 換熱站現(xiàn)狀 ............................................................................................................ 14 第三章 熱電廠余熱利用工藝原理 ...................................................................................... 15 概述 ....................................................................................................................... 15 吸收式熱泵技術(shù) ..................................................................................................... 15 吸收式熱泵簡述 ................................................................................................ 15 吸收式熱泵技術(shù)原理 ......................................................................................... 16 溴化鋰吸收式技術(shù)的特點(diǎn) .................................................................................. 17 吸收式熱泵在國內(nèi)外的發(fā)展 .................................................................................... 17 吸收式熱泵發(fā)展概述 ......................................................................................... 17 吸收式熱泵在余熱回收方 面的應(yīng)用進(jìn)展 ............................................................. 18 第四章 余熱利用工程方案 ................................................................................................. 19 概述 ....................................................................................................................... 19 方案基礎(chǔ)條件 ......................................................................................................... 19 設(shè)計(jì)熱負(fù)荷 ....................................................................................................... 19 循環(huán)水與熱泵機(jī)組連接方式 .............................................................................. 19 供熱管網(wǎng) .......................................................................................................... 20 工程方案一 ............................................................................................................ 21 金川鎳鈷研究設(shè)計(jì)院 可行性研究報(bào)告 金川集團(tuán)有限公司熱電循環(huán)水余熱回收利用項(xiàng)目 II 目錄 方案概況 .......................................................................................................... 21 方案一主要設(shè)備選型 ......................................................................................... 22 方案一供 熱管網(wǎng) ................................................................................................ 23 方案一存在的問題 ............................................................................................ 24 工程方案二 ............................................................................................................ 24 方案二概述 ....................................................................................................... 24 熱力系統(tǒng) .......................................................................................................... 25 方案二主要設(shè)備選型 ......................................................................................... 25 方案二供熱管網(wǎng) ................................................................................................ 27 換熱站改造 ....................................................................................................... 27 運(yùn)行方式及供熱安全 ......................................................................................... 28 方案二主要技術(shù)經(jīng)濟(jì)指標(biāo) .................................................................................. 29 工程方案三（設(shè)想） .............................................................................................. 29 概述 ................................................................................................................. 29 優(yōu)缺點(diǎn)比較 ....................................................................................................... 30 方案三展望 ....................................................................................................... 31 結(jié)論 ....................................................................................................................... 31 第五章 室外熱力工程 ........................................................................................................ 33 設(shè)計(jì)規(guī)范及標(biāo)準(zhǔn) ..................................................................................................... 33 設(shè)計(jì)原則 ................................................................................................................ 33 一般原則 .......................................................................................................... 33 壓力管道布置原則 ............................................................................................ 33 管網(wǎng)布置 ................................................................................................................ 34 管網(wǎng)布局 .......................................................................................................... 34 管材及管道敷設(shè)方式 ......................................................................................... 35 管道熱補(bǔ)償及保溫防腐 ...............................