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備案號(hào):JXXX-XXXXDL
中華人民共和國(guó)電力行業(yè)標(biāo)準(zhǔn)
DL/T5190.2—XXXX
P替代DL5190.2-2012
電力建設(shè)施工技術(shù)規(guī)范
第2部分:鍋爐機(jī)組
Technicalspecificationforthermal
powererectionandconstruction
Part2:Boilerunit
(征求意見稿)
****-**-**發(fā)布****-**-**實(shí)施
國(guó)家能源局發(fā)布
DL/T5190.2—××××
I
DL/T5190.2—××××
目次
1總則.........................................................................1
2術(shù)語(yǔ).........................................................................2
3基本規(guī)定.....................................................................4
3.1一般規(guī)定....................................................................................................................................4
3.2安裝與建筑的銜接....................................................................................................................5
3.3綠色施工與成品保護(hù)................................................................................................................5
4鍋爐構(gòu)架及有關(guān)金屬結(jié)構(gòu).......................................................6
4.1一般規(guī)定....................................................................................................................................6
4.2鍋爐基礎(chǔ)檢查、劃線和墊鐵安裝...........................................................................................6
4.3鍋爐構(gòu)架安裝和二次灌漿.......................................................................................................7
4.4工程驗(yàn)收..................................................................................................................................11
5受熱面......................................................................12
5.1一般規(guī)定..................................................................................................................................12
5.2汽包、汽水分離器、聯(lián)箱.....................................................................................................13
5.3水冷壁......................................................................................................................................14
5.4過(guò)熱器、再熱器、省煤器和減溫器.....................................................................................15
5.5鍋爐連通管道..........................................................................................................................16
5.6爐頂?shù)鯍煅b置..........................................................................................................................16
5.7鍋爐門孔安裝..........................................................................................................................16
5.8鍋爐密封部件..........................................................................................................................16
5.9循環(huán)流化床鍋爐受熱面設(shè)備.................................................................................................17
5.10水壓試驗(yàn)................................................................................................................................19
5.11工程驗(yàn)收................................................................................................................................19
6鍋爐附屬設(shè)備................................................................21
6.1一般規(guī)定..................................................................................................................................21
6.2空氣預(yù)熱器..............................................................................................................................21
6.3燃燒裝置..................................................................................................................................23
6.4爐水循環(huán)泵及啟動(dòng)循環(huán)泵.....................................................................................................24
6.5吹灰系統(tǒng)..................................................................................................................................24
6.6工程驗(yàn)收..................................................................................................................................25
7鍋爐附屬管道及附件..........................................................26
7.1一般規(guī)定..................................................................................................................................26
7.2鍋爐附屬管道..........................................................................................................................26
7.3啟動(dòng)系統(tǒng)..................................................................................................................................26
7.4汽包水位計(jì)..............................................................................................................................26
7.5安全閥......................................................................................................................................27
7.6工程驗(yàn)收..................................................................................................................................27
II
DL/T5190.2—××××
8煙、風(fēng)、燃(物)料管道及附屬設(shè)備.............................................28
8.1一般規(guī)定..................................................................................................................................28
8.2煙、風(fēng)、燃(物)料管道的組合及安裝.............................................................................28
8.3煙、風(fēng)、燃(物)料管道附件及裝置.................................................................................28
8.4煙氣余熱回收裝置安裝.........................................................................................................30
8.5爐膛及煙風(fēng)系統(tǒng)密封性試驗(yàn).................................................................................................30
8.6工程驗(yàn)收..................................................................................................................................31
9燃油系統(tǒng)設(shè)備................................................................32
9.1一般規(guī)定.................................................................................................................................32
9.2卸油裝置安裝.........................................................................................................................32
9.3油罐及其附件安裝.................................................................................................................32
9.4燃油泵房設(shè)備.........................................................................................................................32
9.5燃油系統(tǒng)受油前應(yīng)具備的條件............................................................................................33
9.6工程驗(yàn)收.................................................................................................................................33
10鍋爐輔助機(jī)械...............................................................34
10.1一般規(guī)定...............................................................................................................................34
10.2輔機(jī)安裝通則.......................................................................................................................34
10.3輔機(jī)油系統(tǒng)...........................................................................................................................38
10.4磨煤機(jī)...................................................................................................................................38
10.5風(fēng)機(jī).......................................................................................................................................40
10.6給煤機(jī)...................................................................................................................................41
10.7空氣壓縮機(jī)...........................................................................................................................42
10.8除灰設(shè)備...............................................................................................................................42
10.9撈渣機(jī)...................................................................................................................................42
10.10冷渣器設(shè)備.........................................................................................................................43
10.11工程驗(yàn)收.............................................................................................................................43
11輸煤設(shè)備...................................................................44
11.1一般規(guī)定...............................................................................................................................44
11.2膠帶輸送機(jī)...................................................................................................................44
11.3膠帶輸送機(jī)的卸煤設(shè)備.......................................................................................................47
11.4磁鐵分離器...................................................................................................................48
11.5碎煤機(jī)...........................................................................................................................48
11.6篩煤機(jī)...........................................................................................................................49
11.7卸車設(shè)備...............................................................................................................................50
11.8煤場(chǎng)設(shè)備...............................................................................................................................51
11.9工程驗(yàn)收...............................................................................................................................52
12爐墻砌筑...................................................................54
12.1一般規(guī)定...............................................................................................................................54
12.2不定形耐火耐磨料施工.......................................................................................................56
12.3定型耐火耐磨料施工...........................................................................................................58
12.4循環(huán)流化床鍋爐烘爐...........................................................................................................59
12.5工程驗(yàn)收...............................................................................................................................60
III
DL/T5190.2—××××
13鍋爐機(jī)組啟動(dòng)試運(yùn)及驗(yàn)收.....................................................61
13.1一般規(guī)定...............................................................................................................................61
13.2鍋爐化學(xué)清洗前及清洗后檢查..........................................................................................61
13.3鍋爐機(jī)組蒸汽吹管前及吹管后檢查..................................................................................62
13.4蒸汽嚴(yán)密性試驗(yàn)及安全閥調(diào)整..........................................................................................63
13.5整套啟動(dòng)試運(yùn)中的檢查.......................................................................................................63
13.6工程驗(yàn)收...............................................................................................................................64
附錄A生活垃圾焚燒鍋爐安裝.....................................................65
附錄B燃?xì)狻羝?lián)合循環(huán)電站余熱鍋爐安裝.......................................68
附錄C鍋爐鋼結(jié)構(gòu)的制造和裝配公差...............................................70
附錄D高強(qiáng)度螺栓連接工程檢驗(yàn)項(xiàng)目...............................................77
附錄E鍋爐基礎(chǔ)軸線與外形尺寸允許偏差...........................................81
附錄F火電安裝中常用鋼材的臨界溫度.............................................82
附錄G受熱面管的外徑和壁厚的允許偏差...........................................86
附錄H管式空氣預(yù)熱器的制造和裝配公差...........................................87
附錄J水壓試驗(yàn)臨時(shí)管路與堵頭的強(qiáng)度計(jì)算要求....................................89
附錄K煙風(fēng)道、燃(物)料管道制造尺寸的允許偏差................................90
附錄M大型動(dòng)力設(shè)備基礎(chǔ)的允許偏差...............................................91
附錄N軌道鋪設(shè)要求.............................................................92
附錄P墊鐵面積計(jì)算要求.........................................................93
標(biāo)準(zhǔn)用詞說(shuō)明...................................................................94
引用標(biāo)準(zhǔn)名錄...................................................................94
條文說(shuō)明.......................................................................96
IV
DL/T5190.2—××××
Contents
1Generalprovisions······························································································1
2Terms··············································································································2
3Basicrequirement································································································4
3.1Generalprovisions··············································································································4
3.2Therelationshipbetweeninstallationandcivilinplantconstruction···················································5
3.3Greenconstructionandproductprotection·················································································5
4BoilerFrameworksandMetalStructures···································································6
4.1Generalprovisions··············································································································6
4.2Boilerfoundationcheck,mark,parallelserection···········································································6
4.3Boilerframeworkerectionandgrouting····················································································7
4.4Acceptanceandcheck··························································································11
5Boilerpressureparts··························································································12
5.1Generalprovisions·····························································································12
5.2Steamdrum,steam-waterseparator,header····································································13
5.3Waterwalls·································································································14
5.4Superheater,reheater,economizer,desuperheater·····························································15
5.5Boilerconnectedline···························································································16
5.6Tophangingdevice···························································································16
5.7Furedoor,peepdoorandfurnacewallaccessory·······························································16
5.8Boilersealing··················································································································16
5.9Circulationfluidizedbedboilerpressureparts·································································17
5.10Boilerhydraulictest···························································································19
5.11Acceptanceandcheck·························································································19
6Boilerauxiliaries································································································21
6.1Generalprovisions·····························································································21
6.2Airpreheater····································································································21
6.3Combustionapparatus··························································································23
6.4Boilercirculationpump,startupcirculationpump·····························································24
6.5Sootblowersystem·····························································································24
6.6Acceptanceandcheck·······················································································25
7BoilerAccessorialPipelineandAccessories····························································26
7.1Generalprovisions·····························································································26
7.2BoilerAccessorialPipeline····················································································26
7.3Start-upsystem································································································26
7.4Steamdrumwaterstagegauge·················································································26
7.5Safetyvalve····································································································27
7.6Acceptanceandcheck·························································································27
8Fluegasduct,AirDuct,CoalDustPipe,FuelChannelandAccessory·································28
V
DL/T5190.2—××××
8.1Generalprovisions·····························································································28
8.2Fluegasduct,airduct,coaldustpipe,fuelchannelassemblyanderection····································28
8.3Fluegasduct,airduct,coaldustpipe,fuelchanneldeviceandaccessory·····································28
8.4Installationoffluegaswasteheatrecoveryunit.······························································30
8.5Leakagetestofthefluegas,airductandfurnacechamber···················································30
8.6Acceptanceandcheck·························································································31
9FuelOilSystemDevices·····················································································32
9.1Generalprovisions·····························································································32
9.2Oilunloadingdevice·······················································································32
9.3Oiltankandaccessories·······················································································32
9.4Fueloilservicingfacilities·····················································································32
9.5FueloilsystemPrerequisitebeforeoil-taking·································································33
9.6Acceptanceandcheck·························································································33
10BoilerAuxiliaryMachinery··················································································34
10.1Generalprovisions····························································································34
10.2Machineryerectionregulation················································································34
10.3Auxiliarymachineoilsystem·················································································38
10.4Coalmill······································································································38
10.5Fan········································································································40
10.6Coalfeeder·································································································41
10.7Aircompressor·····························································································42
10.8Deashingdevice·······························································································42
10.9Slagdraggingmachine························································································42
10.10Ashcoolermachine····························································································43
10.11Acceptanceandcheck·························································································43
11CoalHandlingPlant···························································································44
11.1Generalprovisions····························································································44
11.2Beltcoalconveyer····························································································44
11.3Coalunloadingdeviceforthebeltcoalconveyer·····························································47
11.4Magneticseparator····························································································48
11.5Coalcrusher···································································································48
11.6Coalscreen····································································································49
11.7Unloadingequipment·························································································50
11.8Coalyard······································································································51
11.9Acceptanceandcheck·························································································52
12FurnaceWallMasonry························································································54
12.1Generalprovisions····························································································54
12.2Non-stereotypedrefractoryabrasiveconstruction···························································56
12.3Finalizetheconstructionofrefractoryabrasives·····························································58
12.4Circulatingvulcanizedbedboileroven······································································59
12.5Acceptanceandcheck·······················································································60
13Start-upCommissioningandAcceptanceInspectionofboiler&Unit······························61
13.1Generalprovisions························································································61
VI
DL/T5190.2—××××
13.2Conditionandcheckforchemicalcleaningofboiler···············································61
13.3Conditionandcheckforrinseandblowwashofconduit··········································62
13.4Steamleakandsafetyvalueregulate·································································63
13.5Completesetstart-upforcommissioningoperation···············································63
13.6Acceptanceandcheck·····················································································64
AppendixAInstallationofdomesticwasteincinerationboiler·········································65
AppendixBInstallationofheatrecoveryboilerforgasturbine··············································68
AppendixCFabricatingandassemblingtolerancesofboilersteelstructure····························70
AppendixDInspectionitemsofconnectionofhighstrengthbolts···································77
AppendixEAllowabledeviationsofoveralldimensionsofboilerfoundation··························81
AppendixFReferencedataofcriticaltemperatureoffrequently-usedrolledsteelforerectionof
thermalpowerplantequipment·································································82
AppendixGAllowabledeviationsofouterdiameterandwallthicknessofheatingsurfacetubes··86
AppendixHManufactureandfittoleranceoftubulartypeairpreheater······························88
AppendixJStrengthcalculationrequirementsoftemporarypipelinesandblankplugsforHydraulic
Test····································································································90
AppendixKAllowabledeviationsofmanufacturingdimensionsofair/gas/coalducts···········91
AppendixMAllowabledeviationsoffoundationsforlargescalepowerequipment···················92
AppendixNStandardsfortracklaying········································································93
AppendixPShimareacalculationrequirements················································94
ExplanationofWordinginThisStandard········································································95
ListofQuotedStandards···························································································96
Addition:ExplanationofProvision·············································································97
VII
DL/T5190.2—××××
1總則
1.0.1為了進(jìn)一步提高電站鍋爐安裝施工水平,促進(jìn)技術(shù)進(jìn)步,適應(yīng)科學(xué)發(fā)展,確保工程質(zhì)量
和安全生產(chǎn),特修訂本部分。
1.0.2本部分適用于額定蒸汽壓力9.8MPa及以上的電站鍋爐機(jī)組施工。
1.0.3生活垃圾焚燒鍋爐和燃?xì)?蒸汽聯(lián)合循環(huán)電站余熱鍋爐的施工應(yīng)分別按本部分附錄A、附
錄B執(zhí)行。
1.0.4進(jìn)口機(jī)組的施工應(yīng)執(zhí)行合同的規(guī)定,如合同無(wú)明確規(guī)定,則應(yīng)執(zhí)行本部分。
1.0.5電站鍋爐安裝施工除應(yīng)符合本部分外,尚應(yīng)執(zhí)行國(guó)家、行業(yè)現(xiàn)行有關(guān)標(biāo)準(zhǔn)規(guī)定。
1
DL/T5190.2—××××
2術(shù)語(yǔ)
2.0.1間距偏差distancedeviation
表示鍋爐結(jié)構(gòu)、設(shè)備部件設(shè)計(jì)中心線之間相對(duì)尺寸安裝時(shí)允許的偏差(如柱子之間、橫梁
之間、水冷壁與鋼結(jié)構(gòu)之間等)。
2.0.2對(duì)角線差diagonaldeviation
表示鍋爐結(jié)構(gòu)、設(shè)備部件外形設(shè)計(jì)方形或
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