【正文】
The temporary pipe used before the target frame inside should do sandblasting processing, adopt argon arc welding backing. Target board after pipe and muffler internal should be clean, there should be no sundries. 5)為保證靶板處流場穩(wěn)定,靶板器前應(yīng)有 4~5倍管徑的直管段,靶板器后應(yīng)有 2~3倍管徑的直管段 。 G 、 ? 、 0G 、 0? The steam flow and steam specific volume separately at the condition of steam blowing and BMCR condition. 吹管系數(shù)近似按下面公式計(jì)算: k= ΔP/ΔP0 Steam blowing coefficient approximate calculation according to the following formula: k=ΔP/ΔP0 式中: ΔP、 ΔP0 分別為鍋爐吹管時(shí)和 BMCR 工況時(shí)分離器至過熱器出口或再熱器入口至出口的蒸汽壓降。 The main steam desuperheater regulating valves of first stage and main steam desuperheater regulating valves of second stage and desuperheater water flow orifice not installed. Lead to temporary tube before first stage attemperator and second stage attemperator, the each side of the first, second temporary tube bined with a diameter of tee derivation, finally led to the security area of the plant emissions. The water flushing work of main steam desuperheater system carry out in the duration of water flushing before boiler acid cleaning, flush the eligibility criteria for drainage transparent clear. 在再熱器事故噴水減溫器前將事故噴水減溫管道斷開,并用等徑臨時(shí)管引至地溝排放。在汽機(jī)房側(cè)冷段管道上加裝集粒器,排汽口加裝消音器,中主門后臨時(shí)管道上加裝靶板器進(jìn)行驗(yàn)靶。 Static test of DAS system is pleted. 。 MFT test and the action after MFT tested. ? 燃油 OFT試驗(yàn)及 OFT后的聯(lián)動試驗(yàn)。 Auxiliary steam system installation, insulation work finished. ? 各輔汽系統(tǒng)的電動門調(diào)校完畢。安全門校驗(yàn)完畢。 MDBFP ready condition. ? 爐本體各人孔門、檢查孔門完備,并封閉。 Boiler body expansion system, by the parties to the joint inspection, confirmed that no hinder expansion. The inflation indicator is plete, and adjusted to zero. ? 爐本體各處梯子、平臺、欄桿完整,照明充足,爐本體清理干凈。 The hydro pressure test of boiler finished and qualified. ? 疏放水、放空氣、 儲水罐 水位調(diào)節(jié)閥管路系統(tǒng)安裝、保溫工作全部結(jié)束。 Indian NCC 2660MW Supercritical Coalfired Power Plant Page 7 of 27 The installation and insulation work of fuel oil system finish. ? 爐前燃油系統(tǒng)水壓試驗(yàn)結(jié)束,經(jīng)水沖洗或蒸汽沖洗合格。 ID fan, FD fan and seal air fan subsystem missioning finished. ? 煙風(fēng)系統(tǒng)各風(fēng)門、檔板的檢查、調(diào)整工作結(jié)束,驗(yàn)收合 格。 Commissioning guide : Be responsible for piling missioning measures, directing in missioning and acceptance signature work after missioning. 4 調(diào)試前應(yīng)具備的條件 和準(zhǔn)備工作 Preparations and Conditions before missioning 機(jī)務(wù)應(yīng)具備的條件 the condition of mechanical temporary piping system for steam blowing ? 臨時(shí)管道安裝完畢(包括疏水、保溫等工作)。 Be responsible for verification and put forward the adjustment scheme of steam blowing coefficient。 Responsible for the installation of the target plate replacement work。 In the supereheater, reheater and the relative steam system of new erection boiler, there are unavoidable have some rusty, welding slag and other sundries. Before the boiler supply the steam to turbine, steam blowing will clean the sundries to ensure the safety and economical of unit running. ? 檢查鍋爐首次點(diǎn)火前的各項(xiàng)試驗(yàn)工作。 the steam to roof superheater → backpass/ horizontal flue gas duct steam cooled wall → low temperature superheater → platen superheater → high temperature superheater. 再熱蒸汽系統(tǒng): 高壓缸排汽→豎井前煙道的低溫再熱器→水平煙道內(nèi)的高溫再熱器。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(jī)。在鍋爐 BMCR工況下, 6臺運(yùn)行 2臺備用。 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。 The work and test before first light up will be checked. ? 首次進(jìn)行鍋爐點(diǎn)火工作,對鍋爐進(jìn)行熱態(tài)的全面檢查。 Responsible for the operation of equipment and construction equipment safety isolation measures. The preparation of target plates。 Fill in the steam blowing acceptance protocol table and write steam blowing summary report。 Temporary pipeline installation has been finished (including drain, insulation etc). ? 臨時(shí)控制門、旁路門、疏水門等安裝調(diào)試完成。 Dampers, baffles of air flue system the inspection and adjustment work finish, acceptance. ? 二次風(fēng)量標(biāo)定、一次風(fēng)調(diào)平試驗(yàn)、入磨一次風(fēng)標(biāo)定、鍋爐冷態(tài)動力場試驗(yàn)完成 Secondary air flow calibration, Primary air balance test , Air flow calibration at mill entrance, Cold state boiler air dynamic field test have been pleted 火焰檢測系統(tǒng) flame detection system ? 火檢冷卻風(fēng)機(jī)單體試運(yùn)完畢,驗(yàn)收合格。 The hydraulic pressure test of fuel oil system has been finished, and the pipeline of system upon qualified water flushing or steam blowing. ? 燃油系統(tǒng)蒸汽吹掃管道安裝、吹掃完畢,各吹掃閥調(diào)試完畢。各電動閥門調(diào)試完畢,驗(yàn)收合格。 Boiler body everywhere plete ladder, platform, railings, lighting is adequate, clean up the furnace body. ? 爐酸洗結(jié)束,系統(tǒng)恢復(fù)。 Boiler body each manhole and inspection hole instant, and closed. 吹灰器系統(tǒng) soot blower system ? 爐本體、對流煙道及空氣預(yù)熱器的吹灰器及其管道安裝、保溫工作結(jié)束。 Air reservoir for instrument pressed air and service pressed air installation finished. Safety valve setting finished. ? 各儀用、雜用空氣管道氣 吹掃 合格。 All electric valves of auxiliary steam system have been checked. ? 輔汽系統(tǒng)管道吹掃完畢 Auxiliary steam system blowing have been done. 開式 水、凝結(jié)水、給水 等系統(tǒng)調(diào)試完畢,具備投運(yùn)條件。 Fuel OFT test and the action after MFT tested. Indian NCC 2660MW Supercritical Coalfired Power Plant Page 11 of 27 ? 燃油泄漏試驗(yàn)。 Emergency power supply has put into operation conditions. 土建應(yīng)具備的條件 the required condition of civil engineering 試運(yùn)現(xiàn)場道路暢通照明充足,事故照明可靠。過熱器和再熱器通過濾網(wǎng) (集粒器 )連接實(shí)現(xiàn)全流程吹掃(一步法)。沖洗時(shí)流量孔板及再熱器事故噴水調(diào)節(jié)門及減溫器前逆止門先不裝,水沖洗時(shí)間安排在化學(xué)專業(yè)進(jìn)行爐前管道沖洗期間進(jìn)行。 Indian NCC 2660MW Supercritical Coalfired Power Plant Page 16 of 27 In the formula: ΔP、 ΔP0 separately is the pressure difference between separator and outlet of superheater or the pressure difference between the inlet and outlet of reheater at the condition of steam blowing and BMCR condition. 吹掃的臨時(shí)設(shè)施 temporary facilities of steam blowing 1)吹管時(shí)汽機(jī)高壓主汽門內(nèi)裝假門芯,接臨時(shí)管,加臨時(shí)門。 In order to ensure the target plate flow stability, there should be 4 ~ 5