Yuav kom nkag siab txog txoj kev suav ntawm qhov ceev ntawm refractory castable, lub qhov cua yog dab tsi?
1. Muaj peb hom pores:
1. Ib sab yog kaw thiab lwm sab yog sib txuas lus nrog sab nraud, uas yog hu ua qhib pore.
2. Cov pore kaw yog kaw hauv cov qauv thiab tsis txuas nrog lub ntiaj teb sab nraud.
3. Qhov dhau ntawm qhov yog hu ua los ntawm qhov.
Tag nrho cov porosity, uas yog qhov tseeb porosity, hais txog qhov feem pua ntawm tag nrho cov ntim ntawm qhov pores hauv tag nrho cov ntim ntawm cov qauv;Feem ntau, qhov los ntawm lub qhov yog ua ke nrog lub qhov qhib, thiab lub qhov kaw yog tsawg thiab nyuaj rau kev ntsuas ncaj qha.Yog li ntawd, lub porosity yog qhia los ntawm qhib porosity, uas yog, pom porosity.Pom tseeb porosity hais txog qhov feem pua ntawm tag nrho cov ntim ntawm qhov qhib pores hauv cov qauv mus rau tag nrho cov ntim ntawm cov qauv.
Qhov ntau ntom yog hais txog qhov sib piv ntawm cov ntim ntim ntawm cov qauv qhuav rau nws qhov ntim tag nrho, uas yog, qhov sib piv ntawm cov ntim ntim ntawm lub cev ntxeem tau rau nws qhov ntim tag nrho, qhia hauv Kg / m3 lossis g / cm3.Qhov pom meej porosity thiab bulk ntom yog ib qho ntawm cov hauv paus rau kev tswj kom muaj nuj nqis ntawm refractory castable hauv kev tsim kho.Ob qhov kev ntsuas kev ua tau zoo tuaj yeem ntsuas nrog tib tus qauv.Cov hauv qab no yog qhov ntom ntom thiab pom meej porosity ntawm feem ntau siv refractory castable.
2. Cov hauv qab no yog qhov ntom ntom thiab pom tseeb ntawm feem ntau siv refractory castable.
CA-50 cement siab alumina castable, 2.3-2.6g / cm3, 17–20 : kuv
CA-50 cement av nplaum castable, 2.2-2.35g / cm3, 18–22 : kuv
Av nplaum nplaum siab alumina castable, 2.25-2.45g / cm3, 16-21 : kuv
Tsawg cement siab aluminium castable, 2.4-2.7g / cm3, 10–16
Ultra low cement siab alumina castable, 2.3-2.6g / cm3, 10–16
CA-70 cement corundum castable, 2.7-3.0g/cm3, 12-16
Dej iav av nplaum castable, 2.10-2.35g / cm3, 15-19 : kuv
High aluminium phosphate castable, 2.3-2.7g / cm33, 17–20 : kuv
Aluminium phosphate siab aluminium castable, 2.3-2.6g / cm3, 16-20
3. Qhov ntom ntawm cov cement castable luv luv tau qhia hauv qab no
Cov cement castable tsawg yuav siv calcium aluminate cement ua binder, thiab castables nrog CaO cov ntsiab lus tsawg dua 2.5% feem ntau hu ua low cement castables.Sib txawv ntawm cov tsoos castables, qis cement castables yog npaj los ntawm kev hloov feem ntau los yog tag nrho cov siab alumina cement nrog superfine hmoov (particle loj tsawg dua 10 microns) nrog agglomeration bonding nrog tib los yog zoo sib xws tshuaj muaj pes tsawg leeg ntawm cov khoom tseem ceeb, optimizing particle loj. tis, micro hmoov, particle puab thiab lwm yam, thiab ntxiv ib tug me me ntawm dispersant (dej reducer), ib tug nruab nrab npaum li cas ntawm retarder thiab lwm yam composite additives.
Qhov ceev ntawm cov av nplaum qis cement refractory castable yog 2.26g / cm³ txog.
Qhov ceev ntawm siab alumina tsawg cement refractory castable yog 2.3 ~ 2.6g / cm³ txog.
Corundum low cement refractory castable nrog qhov ceev ntawm 2.65 ~ 2.9g / cm³ txog.
Post lub sij hawm: Oct-24-2022