Cov xuab zeb ntsuab txheej txheem yuav tsum tau ntxiv cov hmoov av, bentonite thiab dej hauv cov txheej txheem cov xuab zeb, uas yog sib xyaw thiab sib xyaw los ntawm GS siab ua haujlwm rotor xuab zeb tov khoom, thiab tom qab ntawd cov xuab zeb yog tsim los ntawm Jolt-squeezing molding tshuab lossis Hydraulic ntau- piston molding tshuab.
Cov xuab zeb ntsuab txheej txheem yuav tsum tau ntxiv cov hmoov av, bentonite thiab dej hauv cov txheej txheem cov xuab zeb, uas yog sib xyaw thiab sib xyaw los ntawm GS siab ua haujlwm rotor xuab zeb tov khoom, thiab tom qab ntawd cov xuab zeb yog tsim los ntawm Jolt-squeezing molding tshuab lossis Hydraulic ntau- piston molding tshuab. Bestech Machinery suav nrog lub luag haujlwm ntawm cov hmoov av hauv cov xuab zeb ntsuab txheej txheem ua ke nrog Cov khoom siv xuab zeb casting.
Cov hmoov av hmoov av rau casting yog hmoov ua los ntawm kev sib tsoo bituminous thee, uas yog dav siv los tsim cov xuab zeb ntub rau lo rau ntawm cov hlau cam khwb cia. Nws muaj qhov ua tau zoo los tiv thaiv cov nplaum xuab zeb thiab tuaj yeem txhim kho qhov saum npoo zoo ntawm castings. Nws yuav tsum tau hais tias qhov tseem ceeb tshaj plaws kom zoo dua ntawm cov hmoov av yog nws tus nqi qis thiab cov khoom siv ntau.
1 、 Los tiv thaiv nplaum cov nyom ntawm cov hmoov av
Txawm hais tias cov hmoov av tau ntev tau siv dav cov ntaub ntawv pabcuam, tab sis cov txheej txheem ntawm nws cov nplaum los tiv thaiv cov xuab zeb los txog tam sim no tseem tsis tau meej meej, ob peb nqe lus uas twb muaj lawm rau siv, yam no tseem xav tau mus kawm ntxiv.
1.1 roj zaj duab xis tau hais tias lub luag haujlwm: xuab zeb nrog cov hmoov av, tom qab nchuav, vim qhov hloov pauv hloov pauv hauv cov hmoov av thiab cov hmoov av sib xyaw ua ke tsis tiav CO, hauv cov hlau, sib cuam tshuam los tsim cov yeeb yaj kiab tiv thaiv roj, uas yuav txo FeO. Ntxiv mus, vim tias cov yeeb yaj kiab roj muaj lub siab, nws tuaj yeem tiv thaiv silicate thiab hlau los ntawm kev nkag mus rau hauv cov xuab zeb pwm.
1.2 Coke zaj duab xis nyhuv: Tom qab casting, hlau, casting interface yog nyob rau hauv lub xeev ntawm oxygen deprivation. Raws li qhov xwm txheej no, cov hmoov av pib yaj ntawm 450 ℃ thiab yaj tag li ntawm 650 ℃. Cov kua ua kua, nws yog ib qho yooj yim kom sib npaug rau saum npoo ntawm cov xuab zeb silica. Tom qab qhov hloov pauv feem me me ntawm cov pa tawm mus, nws dhau los ua coke. Cov coke no tau khov kho rau saum cov xuab zeb, nws yuav tsis yaj los ntawm FeO, thiab tuaj yeem ua rau txo FeO. Ntxiv mus, cov hmoov av yaj thiab coking, ntim kom nthuav dav (casting thee tuaj yeem nthuav dav 6 txog 8 zaug ntim), nthuav dav tshwm sim, ntxiv rau txheej txheej ntawm cov xuab zeb, tuaj yeem ua qhov khoob ntawm cov xuab zeb nplej.
1.3 lub luag haujlwm ntawm cov pa roj carbon:&& quot; cov pa roj carbon&& quot; txog tam sim no tseem tsis tau muaj lub ntsiab lus tseeb, tuaj yeem hais tau tias yog hom carbon zaj duab xis tsim los ntawm pyrolysis ntawm cov pa roj carbon hydrocarbons. Hais txog nws cov qauv, nws txawv ntawm carbon dub, coke thiab graphite. Cov qauv thiab xwm txheej ntawm cov pa roj carbon tsim los ntawm hydrocarbon pyrolysis nyob ntawm qhov tsim cov xwm txheej, lub hauv paus tseem ceeb yog qhov xwm txheej ntawm hydrocarbon thiab nws qhov kev xav, qhov kub pyrolysis, lub sijhawm pyrolysis, saum npoo (qhov loj thiab lub xeev) ntawm cov pa roj carbon tso tawm, lwm yam.
Yog li ntawd, cov feem hloov pauv tau ua los ntawm cov cua sov ntawm cov hmoov sib tsoo hauv cov hom xuab zeb thiab cov yeeb yaj kiab carbon tso rau saum cov cam khwb cia tom qab pyrolysis yog cov pa ci. Cov pa roj carbon ci ci tiv thaiv cov xuab zeb ntawm silica los ntawm kev cuam tshuam nrog FeO thiab tsim cov fusible silicates, yog li tiv thaiv kev nkag mus rau hlau.
2, Cov kev phom sij ntawm cov hmoov av
Cov hmoov av hmoov av, cov khoom siv los tiv thaiv cov nplaum xuab zeb, tseem siv dav, tab sis nws cov kev phiv kuj tseem yog qhov tseem ceeb rau tib neeg
Tom qab ntxiv cov hmoov av hauv cov xuab zeb, cov pa roj ntau ntxiv, thiab muaj peev xwm tsim cov pore ntau ntxiv
Cov coking ntawm cov hmoov zeb pulverized yog cov tshuaj tiv thaiv tshav kub, uas yuav ua rau cov hlau txias sai dua. Ib qho ntxiv, vim kev nthuav dav ntawm cov hmoov av thaum yaj, thaiv qhov sib txawv ntawm cov xuab zeb nplej, nws yuav ua rau cov xuab zeb hom permeability poob. Tag nrho cov xwm txheej saum toj no tsis muaj txiaj ntsig zoo rau kev sau cov castings nrog hemlock. Yog li ntawd, thaum tsim cov phab ntsa nyias nyias, qee zaum cov thee tsis ntxiv rau hauv cov xuab zeb.
Tom qab ntxiv cov hmoov av hauv cov xuab zeb pwm, cov pa taws tau nce ntxiv thaum lub sij hawm pov tseg thiab tsim ntau cov pa roj carbonaceous zoo. Nws raug nquahu kom nruab cov tshuab nqus plua plav pov tseg, uas tuaj yeem tshem tawm cov pa taws thiab hmoov av uas tsim tawm thaum lub sijhawm pov tseg.