地下土壤渗滤系统处理农村生活污水应用研究沈晓清

沈晓清　王卫琴(　201100)　　　　,9,45,90m2200m2。,,(CODCr、BOD5、TP、NH3-N)。、,,90-300m2。　　　　　TheApplicationResearchofSubsurfaceSoilInfiltrationSystemsonRuralDomesticWastewaterTreatmentSHENXiao-qing　WANGWei-qin(ShanghaiMinhangWaterAffairsBureau　Shanghai201100)Abstract　Thispaperstudiestheapplicationofsubsurfacesoilinfiltrationsystemsonruraldomesticwastewatertreatment,andcomparesthedifferencesoftreatmentefficiencyamongdifferentareaoftreatmentsystem,suchas9m2,45m2,90m2and200m2.Thisstudyshowsthatwiththeincreaseoftheareaoftreatmentsystem,everyeffluentqualityindex(CODCr,BOD5,TP,NH3-N)wil1bebetter.Combinedwiththecharacteristicsofconstruction,operationandmanagement,itisrecommendedthatthedomesticwastewatershouldbecollectedandthecentralizedtreatmentissuitableforextension,withthesystemtreatmentarea90m2A300m2.Keywords　subsurfacesoilinfiltrationsystems　ruraldomesticwastewater　applicationresearch　　,,《》(GB18918-2002)B,,,、、[1-3]。,、、、,,,。,,,,,[4]。“”,,,,。1　,5。,,,1。1　mg/LCODCrBOD5NH3-NTP350-420150-20060-1006-8　　2,,,3,9m2,11。,,3,45,90200m2,170。1.1　1,,,。,。1　2,,,,,3.5h,。1.2　—,,·15·2009357July2009　　　　　　　　　　　　　　　IndustrialSafetyandEnvironmentalProtection2　,。:CODCr,BOD5,TP,NH3-N。《》4。2　2.1　COD3,CODCr,。3,,,3。3　,《》B,COD60mg/L,。9m2,3,。SSCOD,SS20mg/L,COD60mg/L;SS300mg/L,COD250mg/L,,COD,SS。,(SS),,SS10mg/L。2.2　BOD,BOD5100g/(m2·d),10g/(m2·d)。,BOD。4,BOD,。90m2200m23.7mg/L11.2mg/L。,,,9m245.6%,200m229.3%,9m217-20min,200m230-35min,,,,。4　2.3　NH3-N,N、P,,-、。,,。,,,-;,。52,,。5　NH3-N90m2200m2A,NH3-N6mg/L,3.5-5.2mg/L,。9m245m2NH3-N,9m2,,。,,,。,200m2,,;9m2、;·16·2,,。,,。,;,,2m,,,。2.4　TP,2000mg/100g(/)。62,,9m2,3,。,90m2200m29m245m2TP,0.25mg/L。90m2200m2TP,0.087mg/L。6　,,。,9m2,,,,,,。,,,,,。45m2,90m2200m2,,,,。,9m2,,,、,,。,。3　3.1　(1),,,200m2A。(2),。,50cm。,,,,,,,。(3)、,80%。,。3.2　,、,、,---。、、。,,。,90m2。,,20m,4∶1,,300m2。[1]..:,2002.[2],..:,2001.[3],..:,1991.46-50.[4],,,..,2002,22(5):438-441.　沈晓清,男,1980年生,本科,助工,长期从事水环境工程管理工作。(:2008-07-08)　　塔式起重机在使用中,会偶遇某些意外情况,这时,操作人员必须沉着冷静并慎重处理。制动器突然失灵:重物被吊在空中时,制动器突然失灵,操作人员不可惊慌失措,而应首先发出报警信号,同时根据现场人员分布的位置和所吊重物的重量、体积,采取果断的处理措施。比如采取继续提升,并将重物移至较空旷处,用电动机控制(点动停机)使重物缓慢地下降到安全场地。突然停电:当重物吊在空中突然发生停电,应先查明停电原因。如果停电时间过长,应采取措施使重物下降到地面。比如用扳手逐渐松开制动的闸瓦,便可使重物慢慢落地。摘自《冶金安全》·17·