【正文】 圍護(hù)結(jié)構(gòu)的朝向修正耗熱量 ..........................................................................11 通過(guò)圍護(hù)結(jié)構(gòu)的風(fēng)力附加耗熱量 ..........................................................................11 通過(guò)圍護(hù)結(jié)構(gòu)的高度附加耗熱量 ..........................................................................11 計(jì)算冷風(fēng)滲透耗熱量 ......................................................................................................11 外門冷風(fēng)侵入耗熱量的計(jì)算 ..........................................................................................12供暖系統(tǒng)畢業(yè)設(shè)計(jì)說(shuō)明書 供暖房間熱負(fù)荷計(jì)算示例 ..............................................................................................124 供熱系統(tǒng)形式的選擇與設(shè)計(jì) ................................................................................................14 供熱系統(tǒng)形式的選擇 ......................................................................................................14 按系統(tǒng)循環(huán)動(dòng)力 ......................................................................................................14 按管道連接及熱媒流經(jīng)路程 ..................................................................................14 按系統(tǒng)每組立管數(shù)不同 ..........................................................................................14 按供水方式 ..............................................................................................................14 管道的布置 ......................................................................................................................14 散熱器的選擇計(jì)算及散熱器的布置 ..............................................................................15 散熱器材質(zhì)的選擇 ..................................................................................................15 散熱器散熱面積和片數(shù)的計(jì)算 ..............................................................................15 散熱器的計(jì)算示例 ..................................................................................................16 散熱器的布置 ..........................................................................................................175 室內(nèi)的水力計(jì)算 ....................................................................................................................18 室內(nèi)熱水供暖系統(tǒng)管路水力計(jì)算的基本原理 ..............................................................18 室內(nèi)熱水供暖系統(tǒng)管路不平衡率校核計(jì)算 ..................................................................18 室內(nèi)熱水供暖系統(tǒng)各管段壓力計(jì)算 ......................................................................18 室內(nèi)熱水供暖系統(tǒng)水力不平衡率計(jì)算 ..................................................................19 同程式系統(tǒng)水力計(jì)算示例 ...............................................................................19 異程式系統(tǒng)水力計(jì)算示例 ...............................................................................206 系統(tǒng)定壓方式選擇 ................................................................................................................22 用戶支管定壓 ..................................................................................................................22 熱水供熱系統(tǒng)定壓方式 ..................................................................................................22 膨脹水箱定壓 ..........................................................................................................22 普通補(bǔ)水泵定壓 ......................................................................................................22 氣體定壓罐定壓 ......................................................................................................22 蒸汽定壓 ..................................................................................................................22供暖系統(tǒng)畢業(yè)設(shè)計(jì)說(shuō)明書 補(bǔ)水泵變頻調(diào)速定壓 ..............................................................................................23 自來(lái)水定壓 ..............................................................................................................23 溢水定壓形式 ..........................................................................................................23 本設(shè)計(jì)的定壓方式 ..........................................................................................................237 系統(tǒng)附屬設(shè)備選型 ................................................................................................................24 循環(huán)水泵的布置與選擇 ..................................................................................................24 補(bǔ)給水泵的選擇計(jì)算 ......................................................................................................27 補(bǔ)給水泵的選擇要求 ..............................................................................................27 補(bǔ)給水泵的選擇計(jì)算 ..............................................................................................27 除污器的選擇 ..................................................................................................................28 集氣罐的選擇 ..................................................................................................................298 管道的敷設(shè)與保溫 ................................................................................................................30 管道的敷設(shè) ......................................................................................................................30 管道的保溫 ......................................................................................................................30 管道的防腐 ......................................................................................................................30 供熱系統(tǒng)的主要節(jié)能措施 ..............................................................................................31總 結(jié) ..........................................................................................................................................32參考文獻(xiàn) ....................................................................................................................................33致 謝 ..........................................................................................................................................34附表一 .....................................................................................................................................