【正文】 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。 Erection unit: responsible for the installation of temporary system work necessary to plete the steam blowing. In the process of steam blowing, is responsible for plete the maintenance, and repair work of the equipments within the scope of the system。 Responsible for the installation of the target plate replacement work。 Commissioning unit: in the process of steam blowing technology chief is responsible, to all the participants in the steam blowing work personnel to be responsible for the safety and technical disclosure。 Be responsible for verification and put forward the adjustment scheme of steam blowing coefficient。 provide electric, Iamp。 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）。 In order to ensure the steady flow field, before target plate device should be 4 ~ 5 times the pipe diameter of straight pipe section, after target plate device should be 2 ~ 3 times the diameter of straight pipe section. ? 臨時(shí)控制門的開 /關(guān)試驗(yàn)、燈光訊號(hào)試驗(yàn)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。 The flue gas temperature probe missioning finished. 電除塵系統(tǒng) the ESP (electrostatic precipitator) system ? 電除塵器的安裝、保溫工作結(jié)束，驗(yàn)收合格。 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。 Fuel oil system related interlock protection (MFT, OFT) simulation test qualified. ? 各油槍、高能點(diǎn)火器的進(jìn)退試驗(yàn)結(jié)束。 The hydro pressure test of boiler finished and qualified. ? 疏放水、放空氣、 儲(chǔ)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。 After hydro pressure test, the block for hydraulic pressure test of superheater and reheater dismantled and recovered to normal. ? 各汽水管道的彈簧支吊架完整，完好，銷子拆除。 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(tái)、欄桿完整，照明充足，爐本體清理干凈。驗(yàn)收合格。 MDBFP ready condition. ? 爐本體各人孔門、檢查孔門完備，并封閉。 The safety valve, electric, pneumatic valve on steam source pipeline of soot blower installation and debugging finished. ? 爐本體吹灰器汽源管道吹掃臨時(shí)管安裝完畢 The temporary pipe for soot blower pipe blowing is ready. ? 空預(yù)器 吹灰操作試驗(yàn)結(jié)束。安全門校驗(yàn)完畢。 The fire control facilities plete, fireextinguishing water system drainage test. ? 控制室、電子間各消防工具齊備。 Auxiliary steam system installation, insulation work finished. ? 各輔汽系統(tǒng)的電動(dòng)門調(diào)校完畢。 To ensure the quality of steamwater, the drain piping of the main/reheat steam pipeline and temporary pipeline connect to the atmosphere. 電氣、熱控應(yīng)具備的條件 the condition of electrical, Camp。 MFT test and the action after MFT tested. ? 燃油 OFT試驗(yàn)及 OFT后的聯(lián)動(dòng)試驗(yàn)。 Air preheater (A/B) startup condition, trip condition, sequence start, sequence stop be checked. ? 引風(fēng)機(jī)（ A/B）的啟動(dòng)條件、跳閘條件、程啟、程停。 Static test of DAS system is pleted. 。 Heat supply and ventilation system debugging is good, can be put into use in order to meet the requirements of puter equipment. 其它應(yīng)具備的條件 the other required conditions 生產(chǎn)試運(yùn) 準(zhǔn)備工作就緒，操作人員配齊并經(jīng)培訓(xùn)考試合格。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。 Startup separator→ superheater→ main steam pipe→ main steam valve→ temporary pipe→ temporary blowing valve→ target plate→ cold reheat pipe→ sundries collector→ reheater→ hot reheat pipe→ main reheat valve→ temporary pipe→ target plate→ silencer→ to atmosphere 2） 流程 2：高壓旁路系統(tǒng) 吹掃： Flow2: HP bypass system blowing: 啟動(dòng)分離器 →過熱器 → 主汽管道 → 高旁臨沖門 → 冷段管道 → 集粒器 → 再熱器 → 熱段管道 → 中壓主汽門 → 臨時(shí)管道 → 靶板 → 消音器 → 排大氣 。 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。 Indian NCC 2660MW Supercritical Coalfired Power Plant Page 15 of 27 The disconnect pipe of boiler soot blower main steam source reserve according to the situation of site for steam blowing, disconnected and reserved at the end of the each proto pipe equipped with manual valve. Follow the principle of is proto pipe blowing first, after blowing the source branch steam pipe of soot blower, blowing drain pipe at the end. 吹管蒸汽參數(shù) 及吹管系數(shù)計(jì)算 Steam blowing coefficient and calculation of the coefficient 按部頒《吹 管導(dǎo)則》，對(duì)于過熱器、再熱器系統(tǒng)串聯(lián)吹掃 。 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。低壓旁路不參加吹掃，安裝單位在吹管結(jié)束后對(duì)低壓旁路門前管路進(jìn)行 清潔檢查，確保管道內(nèi)部清潔。 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