【正文】 ...................... 13 （二）供熱范圍 ..................................................................................................................................................... 13 （三）供熱首站 ..................................................................................................................................................... 13 （四）一次管網(wǎng) ..................................................................................................................................................... 14 （五）熱力站 ......................................................................................................................................................... 14 第二章 供熱規(guī)劃及熱源選擇 .................... 14 一、供熱面積 ......................................................................................................................................................... 14 二、熱源 ................................................................................................................................................................. 15 三、 二期 供熱規(guī)劃 ................................................................................................................................................. 16 第三章 熱負荷及供熱溫度的確定 ................. 16 一，供熱范圍 ......................................................................................................................................................... 16 二、供熱負荷 ......................................................................................................................................................... 16 三、熱指標 ............................................................................................................................................................. 17 四、采暖熱負荷： ................................................................................................................................................. 20 五、供回水溫度的確定 .......................................................................................................................................... 20 第四章 首站 熱力站及一次管網(wǎng) ................ 22 iii 一，首站設置 ......................................................................................................................................................... 22 （ 一）熱力系統(tǒng)流程說明 ...................................................................................................................................... 22 （二）設計參數(shù) ..................................................................................................................................................... 22 （三）新增主要設備 .............................................................................................................................................. 22 二、熱力站 ............................................................................................................................................................. 23 （一）設置原則 ..................................................................................................................................................... 23 （二）熱力站設置 ................................................................................................................................................. 23 （三）熱力站的連接方式及設備 .......................................................................................................................... 24 三、一次管網(wǎng) ......................................................................................................................................................... 25 （一）布置原則 ..................................................................................................................................................... 25 （二）一次管網(wǎng)走向 .............................................................................................................................................. 25 （三）敷設方式 ..................................................................................................................................................... 25 （四）補償方式 ..................................................................................................................................................... 26 （五）一次管網(wǎng)的保溫及防腐 .............................................................................................................................. 26 （六）閥門設置 ..................................................................................................................................................... 26 四、一次管網(wǎng)水力計算 .......................................................................................................................................... 26 （一）水力計算的條件和原則 .............................................................................................................................. 26 （二）水力計算的結果及計算表 .......................................................................................................................... 27 （三）水力計算 結論： .......................................................................................................................................... 28 （四）水壓圖： ..................................................................................................................................................... 30 五、熱網(wǎng)運行調(diào)節(jié) ................................................................................................................................................. 30 六、供熱管網(wǎng)監(jiān)控系統(tǒng) .......................................................................................................................................... 32 （一）供熱管網(wǎng)監(jiān)控系統(tǒng)的結構 .......................................................................................................................... 32 熱網(wǎng)監(jiān)控中心 SCC系統(tǒng)功能 .......................................................................................................................... 33 系統(tǒng)通訊 ..........................................