反滲透EDI超濾設(shè)計(jì)計(jì)算

1.0 ComponentCalculation 4單元計(jì)算 41.1 RawWaterTank 4原水罐 41.2 RawWaterPump 4原水泵 41.3 BackWashPump 4反洗水泵 41.4 UltraFiltration: 5超濾： 51.5 SoftenerFilter: 5軟化器： 51.5 ROHighPressurePump 61st高壓泵 62nd高壓泵 61.6 ROdesigncalculation 7反滲透設(shè)計(jì)計(jì)算 71.7 EDIdesigncalculation 7EDI設(shè)計(jì)計(jì)算 71.8 OsmostarHeatExchanger 7Osmostar消毒熱交換器 72.0 PipingDesignCalculation 8管路設(shè)計(jì)計(jì)算 82.1 PipingCalculationofUltraFiltration 8超濾管道設(shè)計(jì)： 82.2 PipingforSoftenerFilter: 9軟化器管道： 92.3 PipingInfrontoftheROHighPressurePump 9高壓泵前管道： 92.4 PipingbehindtheROHighPressurePump 9高壓泵后管道： 92.5 1stROoutletPiping: 10一級(jí)RO出口管道： 102.6 2ndROoutletPiping: 10二級(jí)RO出口管道： 102.7 EDIoutletPiping: 10EDI出口管道： 103.0 Appendix 11附錄 113.1 AppendixA--UFCalculation 11附錄A超濾計(jì)算書 113.2 AppendixB—RODesignCalculation 14附錄BRO設(shè)計(jì)計(jì) 14ComponentCalculation單元計(jì)算原水罐Accordingtotheoperationparameterfromthesupplyer:根據(jù)供應(yīng)商提供的運(yùn)行參數(shù)：原水泵 Accordingtotheoperationparameterfromthesupplyer:根據(jù)供應(yīng)商提供的運(yùn)行參數(shù)：ThepressurelossoftheUFduringthenormaloperationisabout0.2bar~1.4bar.Becausethedistancebetweenthevesselsisveryshort,pressurelossofthepipescouldbeignored.超濾的正常運(yùn)行壓力損失在0.2bar~1.4bar,由于單體設(shè)備的管道距離短，管道的壓力損失可忽略不計(jì)。Thewatershouldkeepthepressureatleast0.5~1.0bartoreachtheinletofROunit最后水到達(dá)RO單元的壓力至少保持在0.5~1.0bar.Sowechoosetherawwaterpump:Q=10m3/h,H=所以我們選擇泵：Q=10m3/h,H=反洗水泵 Accordingtotheoperationparameterfromthesupplyer:根據(jù)供應(yīng)商提供的運(yùn)行參數(shù)：theUltraFiltration,duringthenormaloperationisabout10m3/h.theirbackwashisabout超濾正常運(yùn)行時(shí)流量為10m3/h,反洗時(shí)所需流量為約為18Sowechoosetherawwaterpump:Q=18m3/h,H=20mUltraFiltration超濾：Accordingtotheoperationparameterfromthesupplyer:根據(jù)供應(yīng)商提供的運(yùn)行參數(shù)：DetailedUFDesignpleaseseetheattachmentA詳細(xì)UF計(jì)算書請見附件A軟化器：Thetotalharnessoftherawwateris150mg/L,about3mEq/l;RegenerationPeriodis16hour;Workexchangecapacityis1000mol/m3原水進(jìn)水的總硬度小于等于160PPM,故按最大值160mg/L計(jì)算,相當(dāng)于3.2mEq/l；再生周期定為16小時(shí)；樹脂的交換容量為1000mol/m3T再生周期（h）TRegenerationPeriod(h)Q額定流量（m3/h）QWaterCapacity（m3/h）v樹脂體積（m3）VResinVolume（m3）E樹脂工作交換容量(mol/m3)EWorkexchangecapacity(mol/m3)E0硬度（meq/l）E0TotalHardness(meq/l)V=16*9*3/1000=0.46Thevolumnoftheresinis460L樹脂的容量為：460Therunningcapacityofthesofteneris9m3/hr；OperationFlowratis20軟化器的額定流量為9m3/hr；軟化器運(yùn)行流速此處定為D過濾器直徑（m）DDiameteroftheFilter（m）Q額定流量（m3/h）QWaterCapacity（m3/h）v軟化器運(yùn)行流速（m/h）VOperationFlowrat（m/h）D2=4Q/vπ=4*9/3.14/20=0.57mD=0.75mSochoosethesoftenerfilterwith750mm因此選擇D=750mmSelectedregenerationlevelis120kg(Nacl)/m選擇樹脂的再生水平為：120kg(Nacl）/mTotalNacl(100%)=120*0.460=55100%氯化鈉=120*0.460=55SaturationNaclweightpercentis26.5%at25TheWeightofSaturationNaclis52/0.265=197kgDensityofConcentratedRegenerantis1.33kg/Lat25SaturationNacl(26%)toregeneratesofteneronceis197/1.33=147L25℃飽和飽和食鹽水重量：52/0.265=197kg25℃飽和食鹽水密度：1.33kg再生一次的飽和食鹽水用量：197/1.33=147Wechoosethebrinetank350Ltosatisfytheregenerationofsoftenertwice這里選擇350L的鹽箱滿足再生兩高壓泵Accordingtothetechnicalandcontrolrequestion,ThecapacityandheadofthehighpressurepumpisQ=93/h,H=1根據(jù)工藝與控制要求：Highpressurepump:Q=9m3ThepressurebeforetheROhighpressurepumpshouldbedecreasedto0.5~1.0bar,whichwillarchievedbythepressurereducingvalve.ThiscouldallowtheproductionoftheEDIreturntothepointbeforeROhighpressurepumpwhenthelevelofthepurewatertankishigh.高壓泵前的進(jìn)水壓力需通過減壓閥減至0.5bar-1.0bar,以便純水箱高液位時(shí)EDI出水順利回水至高壓泵前。ThepressureattheoutletofROhighpressurepumpisabout15bar.Thepermeateisabout0.5~1.0bar.高壓泵出水壓力15bar左右,經(jīng)過RO膜的產(chǎn)水壓力在0.5bar-1.0bar高壓泵Accordingtothetechnicalandcontrolrequestion:Highpressurepump:Q=6.5m3根據(jù)工藝與控制要求：Highpressurepump:Q=6.5m3/h,H=1ThepressureattheoutletofROhighpressurepumpisabout14bar.Thepermeateisabout2.0~3.0bar.高壓泵出水壓力14bar左右,經(jīng)過RO膜的產(chǎn)水壓力在2.0bar-3.0barThepressureattheinletoftheEDImodulesisabout2.0~3.0bar.Theoutletpressureisabout1.0~2.0bar.EDI進(jìn)水壓力在2.0bar