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当前位置:首页 > 临时分类 > 畜禽养殖污水处理工程实例刘玉川
:2018-07-04:(1975-),,,,,.(,221018):“+UASB+SBR”,600m3/d,:HRT=8.0h,200m3。UASB1250m3,3d。SBR:2;H=5m;0.5m;m=1/4;MLSS=4000mg/L。487,792/d,1.01/m3。GB8978—1996《》。:;;;;:X7:A:1674-4829(2018)05-0049-04AnExampleofWastewaterTreatmentEngineeringofLivestockandPoultryLIUYu-chuan(XuzhouEnvironmentalMonitoringCentralStation,Xuzhou221018,China)Abstract:Thisprojectadoptstheadvanced“pretreatment+UASB+SBR”methodinthetreatmentoflivestockandpoultrywastewater.Totalsewagedischargeisabout600m3/d.Themainstructuresanddesignparameters:HRTandeffectivevolumeofprimarysettlingtankandbalancetankwhichare8.0hand200m3.TheactualvolumeofUASBis1250m3,andHRTis3d.ThenumberofreactionpoolSBRistwo,anddepthofwhichis5m.TheMinimumdepthofactivatedsludgeinterfaceis0.5m,andm=1/4,MLSS=4000mg/L.Thetotalinvestmentoftheprojectis4.87millionyuan,Methanerevenueis792yuan/d.Thedailyoperationcostofsewageis1.01yuan/m3.Afternormaloperation,thewastewatercanreachethefirstleveldischargestandardofsewagecomprehensivedischargestandard(GB8978—1996).Keywords:Treatmentoflivestockandpoultrywastewater;Treatmentprocess;Majorstructures;Designparameter;Dischargerequirement0,,,。,,,,,。,、,,。,,,,。。180000。()()2,CODCr,BOD5,SS,NH3-N,TP,600m3/d。315201810EnvironmentalScienceandTechnologyVol.31No.5Oct.2018201810。GB8978—1996《》[1]。1。2、、。,[2-4]。,[5-6]。1。1ρ(CODCr)/(mg·L-1)12000100ρ(BOD5)/(mg·L-1)700020ρ(SS)/(mg·L-1)1300070ρ(NH3-N)/(mg·L-1)15015ρ(TP)/(mg·L-1)300.5pH()5.5~8.57~91,,,,70%UASB,,30%,SBR,SBR。、。UASB、SBR、,,,。UASB。:(1)()(),,,,,,2()。0.2~0.3m,B=0.50m,9。(2),。,HRT=20min,14.0m3,。(3),、,,:8.3m3。。、、()4。,,,,。HRT=8.0h,200m3,14.5m×4.0m×5.3m,,。(4),HRT=8.0h,200m3,16m×4.0m×3.5m,,。(5)UASB1250m3,3d,2m×5m×5m,25m×10m×5m2UASB。SBRUASB50315。:q=Q/A=17.5/250=0.07m3/(m2·h)(6)SBR2,,SBR。,HRT=4.0h,100m3,,。(7)SBRQmax=0.0104m3/s,t=20℃,BOD5400mg/L,,1kgSS0.75kg。2,H=5m,0.5m,m=1/4,MLSS=4000mg/L。Q=14.2m3/min,ps=5.0mH2O,YH-125S3,21。(8)Q=14.2m3/min,49.0kPa,YH-125S3,21。:1550r/min,DN125mm,9.55m3/min,58.8kPa,18.5kW,12kW,330kg。()1550mm×760mm,2107mm。(9)33.3m3/h,30%,CQF-3200,2。2CQF35/mmΦ3200/(m·h-1)35/kW1.85/t16.8/kW7ΦD×H/(m×m)Φ1.5×2.3/kW0.34/t4.2(2)/kW0.7433.1,,,,GJH-100,,DN100,DN32。3.2UASB(1),pH6.8~7.2,,pH,,2000~5000mg/L,pH,,1000mg/L,pH,。pH。:NaCO3,NaHCO3,NaOHGa(OH)2。UASBpH,,pH,UASBpH,UASBpH,,UASB,pH;,UASBpH,,,pH。(2),、、,,,,,(“”),,,30~60min3min,、、、,。(3)、3。(4)189,298,3123456pH()CODCrBOD5SSNH3-NTPρ/(mg·L-1)5.5~8.51200070001300015030ρ/(mg·L-1)7~97916559.80.31/%9999999398.951201810(3)、、、、,,2.77/t。。【】[1],,,.、Fenton[J].,2017,30(1):16-20.[2].[D].:,2012.[3],,.-UASB-[J].,2017,37(8):66-69.[4],,,.[J].,2012,32(11):24-27.[5],,.-EGSB-PVB[J].,2015,28(1):28-30.[6]ZHANGCH,HEXW,WANGH,etal.AdvancedtreatmentofcokingwastewaterbyUBAFandbipolarthree-dimensionalelectrode[J].Journalofchinacoalsociety,2010,35(5):820-824.[7],.[J].,2014(6):49-52.[8],,,.DOP[J].,2012,6(2):540-544.[9].[D].:,2013.[10].[M].4.:,2002.[11],.[J].,2016,29(3):41-44.[12],,,.--[J].,2015,41(12):59-61.[13],,,.Fenton-[J].,2012,38(10):62-64.()(48)、、、0.14/d,792/d,1.01/m3。4(1)“+UASB+SBR”CODCr,BOD5,SS,NH3-N,TP99%,99%,99%,93%,98.9%,GB8978—1996《》。(2)UASB,、、。(3),、、,,30~60min3min。(4),,《》。,、、。。(5),,+UASB+SBR,,,,。[][1].:GB8978—1996[S].:,1996.[2].:HJ487—2009[S].:,2009.[3],.[J].,2008,2(2):72-74.[4].[J].,2011,24(1):29-31.[5].:HJ2013-2012[S].:,2012.[6],,.UASB-SBR-Fentor[J].,2014,27(5):44-48.()52
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