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1、cI|:1671-8909(2010)06-0012-06yb!李永阔1,肖庆伟2,孟繁敬1(1.vvZs,061100;2.Sj9?Z,100080)K1:指出新建循环水系统的化学清洗和预膜,是循环水系统长期稳定运行的关键和基础;在冷态运行的初期,合理的水质稳定处理,对在热负荷下的装置运行会建立良好的运行环境。1oM:新建系统;循环水;清洗预膜;冷态运行;稳定运行ms|:X757DSM:BChemicalcleaningpre-filmandcoldrunningofnewcirculatingwaterdeviceLIYongkuo1, XIAOQingwei2, MENGFanjing1
2、(1.JuhaicompanyofCangzhouDahuaCo.,Ltd., HebeiCangzhou061100,China;2.DepartmentofPlanningandDevelopmentofChinaNationalAgrochemicalCorporation, Beijing, China100080,China)Abstract:Thepaperindicatesthenecessityofchemicalcleaningandpre-membraneofthenewcircu-latingwatersystem.Itisthekeytolong-termstableo
3、perationandinfrastructure,whilerunningintheearlystagesofcold, stablequalityandreasonabletreatment, theheatloadonthedeviceoperationwilestablishagoodoperatingenvironment.Keywords:newsystem;circulatingwater;cleaningpre-film;coldrunning;stableoperation!、5/FVMd、;#iW?3K;V=、o?、KC、,yNgk7-1b、b!,b!(b!、b!、!)b!
4、。yk7,Td,1BHW=MBHW(Hq/)。TF、ky,dHWV?rM。yN,N511。l:2010-05-08Te:(1974-),3,92%i;0.8t,b!HpH;In1p,!1.0t%8Ba,Tb!pH4。(3)D、D?T,i?Kv。(4)C!Ms!#s、F0,?SSsT。(5)M1b!04!,gF。(6)123#ZD,h,+Kk+。(2)$l15mg/L,gFJC-161600mg/L,1h7SpH。(3)1 2hgFJC-161b!450mg/Li;,epH2.55.0;$、9M0i,7Svv。1,V?7v14b!W6D。$l10mg/L,9M0il1.2mg/L,VT#,)。(
5、4)b!V3v,VQgFJC-863h41020mg/L。4.3#TdFv04ZE,PVB、7。H,gF04?T,#)z)rT1M。)!Hq:(1)50mg/L,$D,h。(2)BQgFJC-326s4100mg/L,1hgFJC-2624200mg/L,2h9i80mg/L(80mg/L,5F:JC-262),+k。(3)epH5.5 7.0S=,pHv7.0H,VFi;。(4)2048h,7vD#D,9il10mg/L,L?y。4.4b!、rTb!、H+L_rTzrZEB,-X$#T。5.3.1故障处理1)T。?Ah,56,THW,7vD。2)qv3 000S/cmH。9Fql3 000S
6、/cm,Ha9F。3)$V20mg/LH。_r。Vsgr$。B1pg$510mg/L。rE,V_$,YViZE9FKE4。4)04XH。y。6B$)ZEah#aFpH7.5 8.0,Z049。5)9M0iv1.0H。_+Kf,sdKez,a9FEK4。6,_Mc。6)dVC。gF510mg/Lh4JC-863,isy,p%。5.3.2循环水场停车保膜处理方法TB?=,V|dgD1,T)。T2 10?H,V|KE4i424P,pHe78,gF50mg/Ld34XF-9902h,1g95Di。T10?H,|KE4i446,HgF50mg/Ld34XF-990,24hi,B1pV12。5.404gF
7、db!W,04gF/T。b!H,04QgFd34#*C4gF9T:04=04s10-3。T,04kg,2 500t,04sg/t。KE4QgF9T:04=04s10-3。92 500t。dgF04H,VCT%。5.55S#sqdb!,H,deSV3e。表 3冷态运行循环冷却水系统控制指标eSpH 7.58.8q/(Scm-1) 2 000(CaCO39)/(mgL-1) 300$/NTU 209a(CaCO39)/(mgL-1) 100300(Cl-)/(mgL-1) 300(Fe2+Fe3+)/(mgL-1) 1.59i(PO43-9)/(mgL-1) 8.0 11oi/(mgL-1) 0.50.8i1.02.0:(1)sZEFskZE。(2)H,Vd#feSa,sq(1Q/d。(/41:)16b!W61I
