l工程概況及工程量.doc

l.工程概況及工程量 Project profile and quantity1.1、工程概況 Project profile本工程為上海鍋爐廠生產(chǎn)的660MW超臨界變壓運行直流鍋爐，一次中間再熱、單爐膛、平衡通風(fēng)、露天布置、固態(tài)排渣、全鋼結(jié)構(gòu)、全懸吊型結(jié)構(gòu)，蒸汽壓力為27MPa，溫度為570。鍋爐17m層為運轉(zhuǎn)層。The project is about supercritical variable pressure running a-through boiler of 660MW made in Shanghai Boiler Works, which is a reheat, single furnace, balance ventilation, open arrangement, solid state slag-tap, whole suspension structure, steam pressure of 27MPa, temperature of 570 and operation floor located in 17m level.1.2 水壓試驗范圍 Hydro-test range本次水壓包括一次汽系統(tǒng)及連接管道、二次汽系統(tǒng)及連接管道、鍋爐本體范圍內(nèi)一次門以內(nèi)的承壓管道。具體如下：Hydraulic Pressure includes first steam system and its connection pipeline, secondary steam system and its connection pipeline, and a bearing pipe inner gate 1within the limit of boiler proper. As followings:1.2.1一次汽系統(tǒng)包括：First steam system including:省煤器（從高壓給水閥經(jīng)給水管道到省煤器入口聯(lián)箱，省煤器、省煤器出口聯(lián)箱），水冷系統(tǒng)（水冷壁前后左右墻下集箱、螺旋段水冷壁、水冷壁前后左右墻中間集箱、垂直段水冷壁、水冷壁前后左右墻出口集箱），啟動分離器、過熱器系統(tǒng)（頂棚過熱器、包墻過熱器、低溫過熱器、屏式過熱器、末級過熱器），以上各系統(tǒng)之間聯(lián)絡(luò)管道、噴水減溫管道及疏水、排空、取樣加藥、排污、熱工測點，各系統(tǒng)水壓試驗截止到一次門。Economizer (from water valve with high pressure through water pipe to header at the entrance of economizer, economizer, header at the exit of economizer), water cooling system (lower header on the front, back , left and right side water-cooled wall, spiral water wall, intermediate header on the front, back , left and right side water-cooled wall, vertical water wall, outlet header on the front, back , left and right side water-cooled wall), start-up separator, super- heater system (roof super-heater, wrapped wall super-heater, low temperature super-heater, platen super-heater, final super-heater), connection pipeline, sprinkling and Attemperation pipeline, drainage, air extraction, adding drugs to samples, blowdown, thermodynamic measuring points of above systems, hydro-test of all systems ends in gate 1.1.2.2二次汽系統(tǒng)包括：Secondary steam system including: 低溫再熱器、高溫再熱器、部分冷段、熱段及再熱系統(tǒng)所有聯(lián)絡(luò)管、疏水、排空、噴水減溫系統(tǒng)、熱工測點，各部分水壓試驗截止到一次門。Low temperature reheater, high temperature reheater, all pipelines of cold leg, hot leg and reheated systems, drainage, air extraction, sprinkling and Attemperation system, thermodynamic measuring points, every hydro-test ends in gate1.,1.2.3水壓試驗整體方案（具體見水壓系統(tǒng)圖）Plan of hydro-test (see picture of hydraulic pressure system)1.2.4水壓試驗的目的 Target on hydro-test在冷態(tài)下檢驗鍋爐承壓部件的嚴密性、有無變形、損傷情況，保證鍋爐安全、穩(wěn)定、可靠的運行。Check the tightness, deformation and damage of bearing components in cold state to ensure the safety, stability and reliable operation of the boiler.1.2.5 水質(zhì) Water quality水壓用水為除鹽水，水質(zhì)應(yīng)滿足以下要求：氯離子含量小于0.2mg/L；聯(lián)胺或丙酮含量為200-300mg/L；PH值為9.5-10.5（通過氨水調(diào)節(jié)），水壓水溫要求在2170。The water used to produce pressure is water without salt, the requirements of water quality: chlorine ion content is less than 0.2mg/L: diamide or acetone content is 200-300mg/L;ph=9.5-10.5 (adjusting with ammonia), water temperature is 21701.2.6風(fēng)壓 Wind pressure正式水壓前對承壓件進行風(fēng)壓試驗：自施工用柴油空壓機上接1（DN25）的膠皮管至臨時升壓管上。通過升壓管進行一、二次汽系統(tǒng)的風(fēng)壓試驗，風(fēng)壓試驗壓力為0.3Mpa。Wind pressure test to bearing components before formal hydro-test: Connect diesel air compressor with flexible hose (see 1 DN25) up to temporary pressor tube. Begin the wind pressure test of first or secondary steam systems through pressor tube and the wind pressure is 0.3 Mpa. 1.2.7 上水、排水 Water feeding and drainage合格的除鹽水經(jīng)正式管道至凝結(jié)水儲水箱（除氧器），從啟動鍋爐的供汽母管上引一路894的管子至凝結(jié)水儲水箱，給除鹽水加熱，然后用鍋爐上水泵上水；由泵出口引1084管至2199的放水母管。一次汽系統(tǒng)通過省煤器入口聯(lián)箱疏水管上水；自2196放水母管接1084臨時管至前輻射式再熱器入口集箱的手孔堵的管座，分左右兩路給二次汽系統(tǒng)上水。水壓結(jié)束后，利用上水管放水。Qualified desalted water enters the tank of condensational water (deaerator) past formal pipelines, from main steam supply pipe used to start boiler up to pipe of894 and then go to the tank to heat the desalted water, and use boiler pump to feed water; direct pipe of 1084 to main discharging pipe of 2199. A steam system get water fed by header at the entrance of economizer; the main discharging pipe of2196 links the temporary pipe of1084 to socket of hand-hole plug in header at the entrance of radial reheater and feed secondary steam system water by left and right paths. After water pressure, it makes use of pipe for feeding water to discharge water.1.2.8 升壓 Pressor升壓用兩臺柱塞式升壓泵（編號為A、B），泵通過高壓金屬軟管與水壓升壓管連接，升壓管接一塊Y150 P40 1.5級壓力表。一次汽系統(tǒng)升壓管用284無縫管，接到前水冷壁下聯(lián)箱定排管一、二次門之間的三通上，進行升壓，三通后接兩個PN40 DN20的高壓門，用于泄壓控制；二次汽系統(tǒng)升壓管用284無縫管，接到1084上水管上，進行升壓。用一個2m3水箱為升壓泵補水。水壓試驗分兩部分進行：先進行一次汽系統(tǒng)水壓試驗，檢驗合格后進行二次汽系統(tǒng)水壓試驗。在一次汽系統(tǒng)放水同時，即開始二次汽系統(tǒng)水壓試驗。Tow plunge-type pumps are used for raising water pressure( code A.B),the pumps are connected with pipes for raising water pressure by high mental hose, one pressure gauge of Y150 P40 1.5 is attached to the pipes for raising water pressure. Seamless pipes of284 are used as secondary steam system pressor pipe., linked to tees between gate1 and gate2 that is located in lower header of water wall to praise the pressure. Behind tees there are tow high pressure door of PN40 DN20 used to discharge pressure. Seamless pipes of284 are used as secondary steam system for raising pressure, linked upper water pipe of 1084 to boost pressure. A water tank of 2m3 provides water for pressor pump. Two parts of hydro-water: after hydro-test of a steam system is qualified, hydro-test of secondary steam system is done. Hydro-test of secondary steam system begins while the a steam system is discharging water.1.2.9臨時加熱系統(tǒng)Temporary heating system 根據(jù)鍋爐廠說明書要求“上水溫度應(yīng)在2170之間，且不應(yīng)低于環(huán)境溫度；水壓過程中，金屬壁溫不得低于21”。所以需安裝臨時加熱蒸汽管路。汽源從啟動鍋爐房供汽管道上引出，用894管接至凝結(jié)水儲水箱內(nèi)臨時制作的孔式加熱器，用于加熱水壓用水。The specification of Boiler Works says “the feeding water temperature is between 21 and 70, not below environment temperature; in process of water running, the temperature of mental wall is no less than 21, so the temporary heating steam pipes are needed. The steam comes from pipes of start-up boiler room and pipes of894 are joined with temporary hole-typed heater in condensation water tank for heating the feeding water. 1.2.10試驗壓力 Test of pressure一次汽系統(tǒng)以1.25倍末級過熱器出口集箱工作壓力進行水壓試驗，試驗壓力為：1.25P1.2527=33.75Mpa。在高溫過熱器出口集箱上裝一塊Y250 P40 1.5級壓力表；在末級過熱器出口集箱連接管（左側(cè)或右側(cè)的一根）的壓力試驗接頭上接163管到爐頂87米處，然后安裝一塊Y250 P40 1.5級壓力表。Hydro-test about a steam system makes use of working pressure produced by outlet header of 1.25 times.final superheater. Test pressure: 1.25P1.2527=33.75Mpa. One pressure gauge of Y250 P40 1.5 is fixed to letout header of high superheater. The test joint which belongs to pipe (left or right one)of outlet header in final superheater is linked to the pipe of163 up to boiler roof of 87m, then attached to one pressure gauge of Y250 P40 1.5.二次汽系統(tǒng)以1.5倍低溫再熱器進口集箱工作壓力進行水壓試驗，試驗壓力為：1.5P=1.5P Mpa，在末級再熱器出口集箱連接管（2根）的壓力試驗接頭上接163管到爐頂87米處，然后安裝兩塊Y150 P10 1.5級壓力表。Hydro-test about secondary steam system makes use of working pressure produced by outlet header of 1.5 times.final superheater. Test pressure: 1.5P1.5P Mpa. The test joints which belong to pipe s(two)of outlet header in final reheater is linked to the pipe of163 up to boiler roof of 87m, then attached to two pressure gauges of Y150 P10 1.5.1.2.11 水壓過程中各部件的水容積表（單位：m3）Water volume table of all components in water pressure(unit: m3）部件名稱(name of commponents)省煤器(economizer)啟動分離器(start-up separator)水冷壁及連接管(Water wall and connection pipe)過熱器(Super-heater)再熱器reheater合計total水容積(water volume)1.3 工作量（水壓臨時系統(tǒng)安裝、水壓所需藥品等）Quantity(installment of temporary water pressure system and drugs needed etc.)序號Number名稱Name規(guī)格型號Type數(shù)量Quantity備注Memo1內(nèi)螺紋截止閥internal thread cut-off valve12升壓水箱補水Provide water for water tank of raising pressure2無縫鋼管seamless steel tube89480m水箱加熱管道Pipe of tank heating3熱壓彎頭hot-pressing elbowDN80104截止閥cut-off valvePN1.6 DN802J41H-80；蒸汽加熱管道Steam heating pipe5平焊法蘭 plate flangePN1.6 DN804六角螺栓hexagonal boltM166032 sets石棉墊asbestos padDN8046無縫鋼管seamless steel tube1084240m上水管Pipe for feeding water7熱壓彎頭hot-pressing elbowDN100508截止閥cut-off valvePN1.6 DN1001J41H-100；泵循環(huán)用Cycling using pump平焊法蘭plate flangePN1.6 DN1002六角螺栓hexagonal boltM166516 sets石棉墊asbestos padDN10029截止閥cut-off valvePN10 DN1002J41H-100；二次汽上水Water feeding of secondary steam 對焊凸法蘭Counter welding convex flangePN10 DN1004雙頭螺栓 studM2716032 sets石棉墊asbestos padDN100410無縫鋼管seamless steel tube219630m排水管Drainpipe11熱壓彎頭 hot-pressing elbowDN200812截止閥cut-off valvePN1.6 DN2001J41H-200；排水管用Used for drainpipe平焊法蘭plate flangePN1.6 DN2002六角螺栓hexagonal boltM207524 sets石棉墊asbestos padDN200213無縫鋼管seamless steel tube322.550m1m3箱補水1m3 tank for water supply14截止閥 cut-off valvePN1.6 DN251J41H-25；1m3水箱補水用1m3 tank for water supply平焊法蘭plate flangePN1.6 DN252六角螺栓hexagonal boltM12508 sets石棉墊asbestos padDN25215大小頭transition pipePN6.4 DN2001001接上水管Join with pipe of water feeding16無縫鋼管seamless steel tube28480m升壓管道Pipe for raising pressure17截止閥 cut-off valvePN40 DN208升壓用Used for raising pressure18等徑三通equal diameter teesPN40 DN202升壓管連放水管Pipe for raising pressure connects with drainpipe19異徑三通different diameter teesPN40 DN2020102壓力表用Used for pressure gauge20大小頭transition pipePN40 DN80201接一次汽升壓管Connect pipe for raising pressure of first steam 21水箱 water tank2m3122膠皮管flexible hose1”30m23氨水a(chǎn)mmonia濃度：25%2850Kguncertainty24針型閥 needle valvePN40 DN106壓力表用Used for pressure gauge25針型閥 needle valvePN10 DN106二次汽壓力表用Used for pressure gauge of secondary steam26鍍鋅管galvanized pipe1/220m上水泵冷卻水箱補水Pump for feeding water cools the water tank and provide water.27鍍鋅管galvanized pipe110m升壓泵冷卻水箱補水Pump for raising water pressure cools the water tank and provide water.28槽鋼 channel steel10#60mTemporary scaffold29紫銅墊copper pad30 30盤形彎 disk bendingPN40 DN10831無縫鋼管seamless steel tube16380m壓力表管道Pipe of pressure gauge32鎖母 lock net10 sets33巖棉管圈 rock wool circle189503m3臨時管道保溫Temporary pipe insulation34巖棉管圈 rock wool circle 208508m3臨時管道保溫Temporary pipe insulation35巖棉管圈 rock wool circle 319503m3臨時管道保溫Temporary pipe insulation36油氈felt=3，寬度1200300m臨時管道保溫Temporary pipe insulation37鉛絲lead wire16#80Kg臨時管道保溫Temporary pipe insulation2.編制依據(jù)： Compilation basis:2.1設(shè)計圖紙及相關(guān)技術(shù)要求等 Design blueprint and relevant technical requirements etc. 2.2中國電力建設(shè)施工規(guī)范 Standards of China power construction.2.3業(yè)主委托、設(shè)計變更等技術(shù)圖紙、資料 Proprietor entrusts ,designs and changes the technical blueprint and material. 3.作業(yè)前必須具備的條件和應(yīng)作的準備：Necessary conditions and preparations before construction: 3.1. 施工部分：與水壓有關(guān)的項目施工完畢，并驗收合格。Construction: projects concerning water pressure are completed and passed the test. 3.1.1 鍋爐平臺樓梯全部完善，焊接部位符合要求。Boiler platform stairs have been improved completely and welding parts accord with requirements.3.1.2 由鍋爐上水管電動閘閥后至主蒸汽管道主汽門前的汽水系統(tǒng)全部貫通；由冷段水壓試驗閥后至末級再熱器出口導(dǎo)管水壓試驗閥的汽水系統(tǒng)全部貫通Electric gate valve of water feeding pipe and steam-water system in front of main steam gate of main steam pipe work well; testing valve of cold segment water pressure back to steam-water system of water pressure testing valve of pipe at the exit of final reheater are workable.3.1.3 加熱面設(shè)備所有承壓焊口焊接、無損檢驗完畢，返修口已全部處理完并檢驗合格。Bearing weld bonds of all heating equipment are undamaged, rework bonds have been disposed and qualified.3.1.4 鍋爐密封裝置一次密封件安裝、焊接完畢（主要包括前、后頂棚內(nèi)護板、折焰角內(nèi)護板、爐底內(nèi)護板、省煤器出口膨脹密封板、垂直頂棚包覆框架、折焰角包覆框架、爐底包覆框架、輻再入口密封板）。A seal installation of boiler seal device and welding are done mainly including inner guard-plates of front and back ceiling, furnace arch and hearth; expanded seal plate at the exit of economizer, wrapped frames of vertical ceiling, furnace arch and hearth; seal plate of spoke entrance).3.1.5 鍋爐附件安裝完畢（主要包括吹灰孔、看火孔、檢修孔、熱工測點密封盒、火焰電視監(jiān)視孔、繩孔裝置）。Affixes of boiler are finished setting including soot-blowing hole, fire-watching hole, check hole, thermal measuring points seal box, flame television monitoring hole, rope-penetrating device)3.1.6 爐頂?shù)鯍煅b置調(diào)整完畢，絲扣破壞，所有吊桿受力均勻。Suspending device on the roof of boiler is adjusted, screw threads broken and all the suspenders are uniformly forced.3.1.7 過熱器、再熱器固定及防磨裝置安裝完。Anti-abrasion device of super-heater and reheater is installed.3.1.8 爐墻密封條加塞完、密封縫焊接完。3.1.9 加熱面設(shè)備、鋼結(jié)構(gòu)上的臨時焊件打磨、刷漆完。Weldments of heating equipment and steel structure polishing and painting have been finished.3.1.10 參加水壓試驗的安全門的水壓裝置安裝完。Water pressure device of safety door in hydro-test is installed.3.1.11 鍋爐雜項管道安裝（主要包括疏水、放空、排污、加藥、取樣管道，全安裝到一次門或二次門）。Other pipes installation of boiler including drainage, blowdown, drugs addition, pipes for samples which are all installed to gate1 and gate2).3.1.12 鋼架安裝齊全，高強螺栓終緊完畢、齊全。Steel frame is installed, high-strength bolt is screwed and complete.3.1.13 啟動分離器及水冷壁上中下聯(lián)箱內(nèi)部檢查，人孔門封閉完。Start-up separator plus up, middle and below headers of water wall have finished inner check; the gate to hole is sealed.3.1.14 鍋爐上水泵安裝完，電機4小時空負荷試轉(zhuǎn)完，泵分步試運完。Pump of boiler for water feeding is completed, motor without load finished trying running for 4h, pumps finished running step by step.3.1.15 與加熱面設(shè)備焊接的保溫鉤、保溫骨架安裝完。Insulation hook welded to heating equipment and insulation skeleton are finished.3.1.16 熱工儀表管安裝至一次門、表面熱電偶焊接完。Thermal instrument is fixed to gate1, surface thermocouple is welded.3.1.17 鍋爐合金部件光譜復(fù)查完。Alloy parts spectra of boiler is checked.3.1.18 水處理系統(tǒng)具備投入條件。Water disposal system is qualified for use.3.1.19 500800(m3)凝)結(jié)水儲水箱安裝、清理完畢，具備上水條件。Tank for condensation water of 500800m3)is clean and fixed, qualified for water feeding.3.1.20 升壓泵檢修、安裝、試轉(zhuǎn)完畢；水壓臨時系統(tǒng)安裝完畢。Pump for raising water pressure has been checked, installed and operated; temporary water pressure system is completed. 3.1.21 施工中發(fā)現(xiàn)的缺陷已處理完并經(jīng)簽證。The flaws found in construction has been eliminated and certified.3.1.22 施工用空壓機保證正常使用。Air-compressor is ready to good work under construction.3.1.23 強制循環(huán)泵水壓臨時堵板安裝完。Temporary filling-up plates of compulsory cycling pump pressure are fixed.3.1.24 啟動鍋爐房具備投入條件。Boiler room for start is qualified.3.1.25 鍋爐充氮管道安裝至一次門。Boilers pipes for filling nitrogen have been installed to gate1.3.1.26 汽水分離器及聯(lián)箱上所有手孔、試驗接頭封堵完畢。Steam-water separator and all the hand-holes and test joints on header are sealed.3.1.27 定期排污擴容器排污池、地下排污水管道具備使用條件，廢水排放符合環(huán)保要求。Regular blowdown system, blowdown pool and blowdown pipe underground are ready to use and waste discharge is in line with environmental requirements.3.1.28 水壓試驗范圍內(nèi)的設(shè)備、構(gòu)件及管道上的承壓焊縫、其他應(yīng)該檢查的部位不準保溫及油漆。Equipment, components, bearing weld on the pipe and other parts within the hydro-test are kept away from insulation and paint.3.1.29 水壓試驗系統(tǒng)圖及升降壓曲線圖已張掛于現(xiàn)場，操作卡已編制好，并為操作人員所掌握。Hydro-test systematic drawing and graph of pressure raising and reducing have been in site; operation card is compiled and gained by operators.3.1.30 水壓試驗組織機構(gòu)及人員分工已落實。Organizations and staffs work for hydro-test are implemented.3.1.31 鍋爐本體照明施工完。Lighting of boiler proper is completed.3.1.32 鍋爐封閉骨架施工完。Closed skeleton of boile