镁碳整体出钢口
Magnesiacarbonwholetappinghole
ThetapholeofconverteristheuniquechannelfromtheBoftotheladle,itiscrucialforthesteelplantstoimprovetheworkingratio,increasetheoutputwithintheunittimewhiletheworkingconditionofthetapholeisextremeharsh:1.Itisimpactedbysteelwaterunder1500-1700degreesagainandagain;
2.Itisoxidized,washedanderodedfrequently;
3.Itiseasydestroybecauseofthequickcoolingintreat.
Underthesevereworkingenvironment,theinsidediameteroftapholeisexpandedmoreandmore,tappingtimedecreasewiththeusagefrequency’sincreasing,tappingtimeisshorterthanstimulateones,thenslagentrapmentwillbecometheinevitablephenomenon,thiswilleffecttheoutputheavily.Atthissituationwehavetochangethetaphole.
TheservicelifeoftapholewilleffecttheMetallurgicalcycle,steelproductivity,effectofslagoftheconverter,andthenthequalityofthesteeldirectly.Thegooddegreesoftapholewillcontroltheamountofslagofconverterimmediately,andeffecttheabsorbforthealloytogetherwiththecontinuetreatmentdirectly.
Inviewofabovereasons,thesteelplantsbyconverterpaymuchmoreattentiontothetaphole,listthetechnicalandmanufactureintothemostimportantitem,soitisanindisputablerealitythatitisfortheconverterthatthetapholeisvitalimportant.
Manufacture:
1.Usethe99%Largecrystalasthemainrawmaterial,itcanmakethebricks’structuredense,
withthestrongresistanceforwashinganderrosion,andthenprovetherefractoriness,strengthen
theresistancefromtheslag
Atthesametimeweadd599flakegraphiteasbinder,thiskindoflargePhosphate
tabletscanimprovetheabilityofresistingoxidizing.
- WeimportCaB6andusethiskindofmaterialastheadditive,whichcanrefinetheresistanceofoxidizingobviously;
- Mixtherawmaterialaboveandotheronestogetherevenly
- Formingbyisostaticpressingmachineanddryunderhightemperature.
Productfeature:
5Perfectthermalshockability,canresisttheextremecoldandhot
- Densestructure,highresistanceforwashinganderosion,
- .excellentresistanceforoxidizingslagandspalling
- .highrefractoriness;
- Wonderfulsinterability,andadhesion
Productapplication:applytothesteelwaterpouringoutforBOFandelectricarcfurnace
|
specification |
Item |
Number |
|
Chemical |
MgO |
:≥78% |
|
C: |
≥12% |
|
|
physical |
CCS |
≥30MPa |
|
AP |
≤5% |
|
|
BD |
≥2.9g/cm3 |
|
|
Refractoriness |
1500℃-1600℃ |
Construction:Toinstall
Packing:
Store:
1.undertheroomtemperature.
2.Time:halfayear
Payattentionto:
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镁碳整体出钢口 | Magnesiacarbonwholetappinghole ThetapholeofconverteristheuniquechannelfromtheBoftotheladle,itiscrucialforthesteelplantstoimprovetheworkingratio,inc... |
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