【正文】 防和安全工作；負責(zé)系統(tǒng)臨時掛牌工 Indian NCC 2660MW Supercritical Coalfired Power Plant Page 4 of 27 作；負責(zé)完成吹管臨時測點的安裝工作；負責(zé)靶板的安裝更換等工作； 負責(zé)做好運行設(shè)備與施工設(shè)備的安全隔離措施；負責(zé)靶板的準備工作；吹管結(jié)束后，負責(zé)完成臨時系統(tǒng)的恢復(fù)工作；在吹管結(jié)束后參加簽證驗收工作。 The work and test before first light up will be checked. ? 首次進行鍋爐點火工作，對鍋爐進行熱態(tài)的全面檢查。在鍋爐正式向汽機送汽前，用蒸汽吹掃的方法將這些雜物 清除，以確保機組的安全、經(jīng)濟運行。 鍋爐主蒸汽減溫水系統(tǒng)的水沖洗； The water flushing of boiler main steam desuperheater system。 Indian NCC 2660MW Supercritical Coalfired Power Plant Page 3 of 27 機組高壓旁路系統(tǒng)管道； The high pressure bypass piping of unit。 Reheat steam system: exhaust of high pressure cylinder → low temperature reheater in front flue gas duct of backpass → high temperature reheater in the horizontal flue gas duct. 蒸汽（水沖洗）吹掃范圍 the range of steam blowing(water flushing) 鍋爐過熱器系統(tǒng)，主蒸汽管道； Boiler superheater system, main steam piping。 Feedwater and superheat steam system: feedwater pipe → economizer →the inlet header of waterwall →the middle mix header of water wall →the outlet header of waterwall →mix header → separator, the water to storage water tank → drain flashing tank/condenser/。 The unit has high pressure and low pressure twostage series bypass system, and capacity of bypass system of the turbine will be set temporarily based on 60% of BMCR working condition of boiler。在任何 6臺磨煤機運行時，鍋爐能長期帶 BMCR負荷運行。在鍋爐 BMCR工況下， 6臺運行 2臺備用。該鍋爐為變壓運行、一次中間再熱、單爐膛、平衡通風(fēng)、固態(tài)排渣、全鋼架懸吊結(jié)構(gòu)、露天布置的 π 型超臨界鍋爐，采用不帶再循環(huán)泵的大氣擴容式啟動系統(tǒng)，采用四角切圓燃燒方式、低 NOx 燃燒器， 32 只燃燒器分 8 層布置。 2 660 MW SUPER CRITICAL COAL FIRED THERMAL POWER PROJECT NCCPPL, NELLORE, ANDHRA PRADESH (INDIA) 印度納佳 2 660 MW 超臨界燃煤熱電項目 Boiler Steam Blowing Commissioning Procedure 鍋爐 蒸汽吹管 調(diào)試措施 NO.: CNTICTEPCTSJWZ0092020 RAV:A PROJECT: 2 660 MW SUPER CRITICAL COAL FIRED THERMAL POWER PROJECT DOCUMENT TITLE: Boiler Steam Blowing Commissioning Procedure DOCUMENT NO. : CNTICTEPCTSJWZ0092020 REV. NO. : A ENDORSEMENTS Liu Yunqian REV. NO. DATE DESCRIPTION PREP. BY SIGN.(INITIAL) REVW. BY SIGN.(INITIAL) APPD BY SIGN.(INITIAL) 目錄 Content 1 工程概況 Project description ............................................................................................................. 1 Project description .......................................................................................................... 1 Boiler design capacity and parameter .............................................................. 1 Boiler feedwater and steam flow .................................................................. 2 （水沖洗）吹掃范圍 the range of steam blowing(water flushing) .......................................... 2 2編制依據(jù) Basis of Compilation.......................................................................................................... 3 3編制目的 purpose of pilation ...................................................................................................... 3 3組織與分工 Organization division ..................................................................................................... 3 4調(diào)試前應(yīng)具備的條件和準備工作 Preparations and Conditions before missioning ................... 5 的條件 the condition of mechanical.............................................................................. 5 、熱控應(yīng)具備的條件 the condition of electrical, Camp。I ............................................................. 10 the required condition of civil engineering .................................................... 11 其它應(yīng)具備的條件 the other required conditions ......................................................................... 12 、資質(zhì) The allocation, qualification of missioning personnel ........................ 12 The equipments and instruments required................................................. 12 5調(diào)試程序和方法 missioning Procedure and Method................................................................ 12 steam blowing method ................................................................................................. 12 steam blowing system flow.................................................................................... 13 計算 Steam blowing coefficient and calculation of the coefficient ...... 15 temporary facilities of steam blowing................................................................ 16 operation step for steam blowing .......................................................................... 19 6蒸汽吹管質(zhì)量標準 the quality standard for steam blowing ............................................................ 25 7安全注意事項 safety caution ............................................................................................................ 26 Indian NCC 2660MW Supercritical Coalfired Power Plant Page 1 of 27 1 工程概況 Project description 工程概況 Project description 印度納佳 2660MW 電站項目工程所采用的鍋爐設(shè)備是由哈爾濱鍋爐廠有限公司制造的型號為 HG2020/ 超臨界鍋爐。采用中速磨直吹式制粉系統(tǒng)，配北 京電力設(shè)備總廠制造的 8 臺 ZGM133NII 型中速磨煤機。 The boiler for 2x660 MW super critical coal fired thermal power project, the type of boiler for NCC project is HG2020/, made by Harbin Boiler Works, LTD. The boiler is π type outdoor arrangement supercritical boiler with variable pressure operation, single intermediate reheat, single furnace, balanced draft, dry ash removal and total steel frame suspending structure. It has atmospheric flash type startup system without recirculating pump and adopts tangential firing, low NOx bustion burners, 32 burners are arranged in 8 layers. The boiler is equipped with 8 units ZGM133NII medium speed mills directfired system