【正文】 ........ 55 熱工設(shè)備檢修技術(shù)規(guī)范 4 一般檢修項(xiàng)目與質(zhì)量要求 ........................................................................................................................................... 55 測(cè)試項(xiàng)目與要求 ............................................................................................................................................................ 57 驗(yàn)收 ................................................................................................................................................................................. 57 運(yùn)行維護(hù) ......................................................................................................................................................................... 58 7 DEH 系統(tǒng)檢修規(guī)程 ........................................................................................................................................................... 58 系統(tǒng)概述 ....................................................................................................................................................................... 58 DEH 控制系統(tǒng)配置 ....................................................................................................................................................... 62 系統(tǒng)軟件 ....................................................................................................................................................................... 68 DEH 控制系統(tǒng)主要功能 ............................................................................................................................................... 69 安裝調(diào)試 ....................................................................................................................................................................... 80 檢測(cè)與調(diào)試 .................................................................................................................................................................. 82 故障分析及維護(hù) .......................................................................................................................................................... 83 DEH 系統(tǒng)基本檢修、維護(hù)規(guī)程 .................................................................................................................................. 84 8 自動(dòng)調(diào)節(jié)系統(tǒng)檢修規(guī)程 ................................................................................................................................................ 90 協(xié)調(diào)控制系統(tǒng) .............................................................................................................................................................. 90 給水自動(dòng)調(diào)節(jié)系統(tǒng) ...................................................................................................................................................... 93 溫度自動(dòng)調(diào)節(jié)系統(tǒng) ...................................................................................................................................................... 95 燃燒系統(tǒng)自動(dòng)調(diào)節(jié)系統(tǒng) .............................................................................................................................................. 98 風(fēng)量調(diào)節(jié)系統(tǒng) ............................................................................................................................................................ 99 引風(fēng)調(diào)節(jié)系統(tǒng) ............................................................................................................................................................ 100 除氧器水位自動(dòng)調(diào)節(jié)系統(tǒng) ....................................................................................................................................... 101 機(jī)組除氧器壓力控制系統(tǒng) ....................................................................................................................................... 102 機(jī)組加熱器水位自動(dòng)控制系統(tǒng)（主要指高加、 1 號(hào)低加和軸加） ................................................................. 103 機(jī)組汽機(jī)凝汽器水位控制系統(tǒng) ............................................................................................................................... 103 高低壓旁路控制系統(tǒng) .............................................................................................................................................. 104 9 電動(dòng)執(zhí)行機(jī)構(gòu)的檢修規(guī)程 ....................................................................................................................................... 108 檢修項(xiàng)目與質(zhì)量要求 ................................................................................................................................................ 109 執(zhí)行機(jī)構(gòu)調(diào)校項(xiàng)目與質(zhì)量標(biāo)準(zhǔn) ............................................................................................................................... 109 運(yùn)行和維護(hù) .................................................................................................................................................................111 SIPOS 5 FLASH 電動(dòng)執(zhí)行器 .....................................................................................................................................111 10 氣動(dòng)執(zhí)行機(jī)構(gòu)的檢修規(guī)程 .......................................................................................................................................... 114 一般性檢查： ............................................................................................................................................................ 114 過濾減壓閥檢修： .................................................................................................................................................. 114 定位器的檢查： ...................................................................................................................................................... 114 基本誤差和回程誤差校準(zhǔn)： ................................................................................................................................. 114 不靈敏區(qū) (死區(qū) )校準(zhǔn)： .................................................................