年產(chǎn)40萬噸化學(xué)漿項目介紹

Woodyard原木、木片堆場Process:Pulpwood產(chǎn)品：木漿Capacity:SW320m3sob/h能力：針葉木，剝皮原木320m3/hWoodspecies:Pine,Fir,Alder&(Eucalyptus)樹種：馬尾松、榿木、杉木和桉木PowerFeed?infeedconveyor重力喂料型喂料運(yùn)送機(jī)Rubbertiresupporteddebarkingdrum輪胎支撐剝皮轉(zhuǎn)鼓FirstHHQ-Chipper?HHQ削片機(jī)ChipscreeningwithCSchipscreens木片篩ChipStoring&Reclaiming木片貯存和出料螺旋Barkhandling樹皮處理系統(tǒng)8005811000030ChipStoragesCooking&fiberline蒸煮和洗選漂線1242Admt/dSW,1358Admt/dHW90%ISO1242Admt/d針葉,1358Admt/d闊葉90%ISODownflowLo-Solids?Cooking1242Admt/dSW,1358Admt/dHW90%ISO降流低固形物蒸煮系統(tǒng)再沸器到蒸發(fā)到黑漿洗漿機(jī)白液洗滌濾液BrownStockWashing&O2-delignification1242Admt/dSW,1358Admt/dHW90%ISO黑漿洗滌與氧脫木素到篩選喂料槽噴放鍋來漿到蒸煮器氧化白液低壓蒸汽中壓蒸汽DD洗漿機(jī)來濾液KnotSeparationandFineScreening1242Admt/dSW,1358Admt/dHW90%ISO節(jié)子分離和良漿篩選冷凝水到蒸煮喂料系統(tǒng)到黑漿洗漿機(jī)到漂白喂料塔BleachPlant1242Admt/dSW,1358Admt/dHW90%ISO

漂白工段常規(guī)ECF輕ECF氧脫后洗漿機(jī)來漿白水到高濃漿塔Evaporation

Plant蒸發(fā)工段Huaihua7,5-effectEvaporationPlant489t/h,80%ds

懷化七效半蒸發(fā)站能力489t/h，80%干固形物濃度EvaporationPlant

懷化蒸發(fā)站MainDesignData

主要設(shè)計參數(shù)Pulprawmaterial SW+HW

原料：針葉+闊葉Numberofthermaleffects 7+HD

效數(shù)：7效+增濃效Evaporationcapacity 489t/h

蒸發(fā)能力：489t/hWeakliquordrysolids 16,3%

稀黑液濃度：16.3%Heavyliquordrysolids 80%

濃黑液濃度：16.3%Steameconomy 6,4

蒸汽效率：6.4Warmwatertemperature 45°C

溫水溫度45℃Strippingcapacity 62t/h

氣提能力62t/hEvaporationPlant

蒸發(fā)站SpecialFeatures特征Optimizedenergyefficiency能源效益最大化Partially8-effect(finalconcentrator)部分的8效（最終的高濃蒸發(fā)）Heatofhotweakliquor(120°C)isutilizedforevaporation高溫稀黑液對蒸發(fā)有利Pressurizedheavyliquorstorage帶壓濃黑液貯槽Intergratedsurfacecondenserandwarmwatertank表面冷凝器和溫水槽一體化構(gòu)造Recovery

Boiler堿爐MainDesigndata

主要設(shè)計參數(shù)

Liquor

黑液capacity能力 tds/d 2200drysolidcontent(wash) % 80

濃黑液濃度（不含堿灰）HHV MJ/kgds 14.2

高位熱值Steam&feedwater

蒸汽與給水steampressure bar(g) 92

蒸汽壓力steamtemperature °C 490

蒸汽溫度steamflow kg/s 98.6蒸汽流量feedwatertemperature °C 120給水溫度Fluegas

煙氣temperature °C 180溫度

MainDesigndata主要設(shè)計參數(shù)Furnace燃燒室Loading

負(fù)荷 tds/d/m2 19.2 kW/m2 3150Width

寬度 mm 10036Depth

深度mm 11440Heighttonose

爐鼻高度 m 30Totalheight 總高度 m 44.6 Fluegas

煙氣Nose

爐鼻 °C 1060Beforeboilerbank °C 595

管束前溫度Exittemperature °C 180

省煤器出口溫度

Customer顧客Engineering:E&I&A,piping電儀、自動化及管道設(shè)計Processpiping工藝管道系統(tǒng)Ducting輸送管道Valves閥門Boilerhouse爐膛Electrostaticprecipitator靜電除塵器E&I&IA電器、儀表、模擬信號Aux.Equipment輔助設(shè)備Sootblowers吹灰器Tanks全部罐槽Pumps全部泵類Insulation安裝Erection調(diào)試Scope供貨范圍Projectmanagement項目管理Engineering(partly)設(shè)計（部分）HPvalves全部高壓閥Pressureparts全部壓力部件Burners燃燒器SSfans不銹鋼風(fēng)機(jī)BMS燃燒管理系統(tǒng)Training,commissioning,start-up培訓(xùn)、調(diào)試和開機(jī)Deliveryterms交貨期ImportedFOB進(jìn)口貨品FOBLocalEXW國內(nèi)貨品EXW Recaust

&Limekiln苛化、石灰窯Recausticizing苛化Whiteliquorproduction

白液產(chǎn)量5200m3/dActivealkali

活性堿135g/l(NaOH)Whiteliquorsuspendedsolidsmax.20mg/l

白液懸浮物含量LimemudNacontent

白泥中Na含量最大0.3%(Na2O)max.0.3%(Na2O)Limemuddrysolids

白泥干度min.75%LimeKiln石灰窯Limeproduction

石灰產(chǎn)量400t/dResidualcarbonate

殘余碳酸鈣3%Limekilnheatconsumption石灰窯熱能消耗max.5800MJ/tLime

PulpDryingPlant漿板機(jī)DryerCutterBalingLinewarmwaterTreadedmillwaterLP-SteamPulpfromFiberlineExcesswatertoFiberlinecondensatetoBoilerBleachedPulpTowersBrokeTowerWhiteWaterTowerBlendChestScreeningPlantWetBrokePulperWWTankPressFiltrateTankMachineChestWWSiloSprayWaterTankCondensateSystemHydraulicsystemDryBrokePulperVacuumSystem1350ADMTPD3.5%3.0%12%Single–Line,單條漿板生產(chǎn)線SheetDryingandBaleFinishingSystemsProduction1350ADMTPD

產(chǎn)量Finaldryness90%

最終干度Rawmaterial:Softwood;MassonPine:Hardwood;Ald