LF炉温度控制曲线.docxVIP

LF炉温度控制曲线

撤Ar

撤Ar管、行车吊包至后处理工序

SteelcarrunningtoLFfurnace

SteelcarrunningtoLFfurnace

BlowargonmixingHeating

Blowargonmixing

Heating

TemperaturemeasuringandsamplingAddslag

Temperaturemeasuringandsampling

Addslag

SmokedustremovalAlloyfine-tuning

Smokedustremoval

Alloyfine-tuning

Steelcarrunningtocraneladlewirefeedingstation

Steelcarrunningtocraneladlewirefeedingstation

Artuberemoved,drivingcranepacketstopost-treatmentprocedure

Artuberemoved,drivingcranepacketstopost-treatmentprocedure

2作业周期（min）

2Operationcycle(min)

No.

Item

Ladleservicetime（min）

Remarks

电炉出钢、初炼钢水兑入精炼钢包、粗合金化、加保护渣

Electricarcfurnacetapping,initialsmeltingmoltensteelrefiningladle,blendedcrudealloying,plusprotectiveslag

测温取样

Temperaturemeasuringandsampling

0.5

钢包车载包运行至加热工位

Ladlecarpackageruntotheheatingstation

0.5

水冷炉盖下降到位，送电加热，补加渣料0.5～1%。

Watercooledfurnacelidfallinplace,tosendelectricheating,addingslag0.5～1%.

5

停电、测温取样

Poweroff,temperaturemeasuringandsampling

0.5

送电、补加合金料，S高时仍需补加0.5～1%渣料，待渣料化匀，用还原剂还原，分批加入撒匀，以确保炉内埋弧渣良好，渣中（FeO0.5%）。

Powertransmission,addingalloymaterial,Sisstillneededtobeaddedin0.5~1%slag,theslagofuniform,withareductantbatchaddition,sprinkle,toensurethatthefurnacesubmergedarcslag,slag(FeO0.5%).

15

渣白，停电，测温取样。

Slagwhite,poweroff,temperaturemeasuringandsampling.

0.5

根据钢水温度，调整电压、电流，用少许还原剂保持白渣（保温等样）。

Accordingtothetemperatureofthemoltensteel,adjustthevoltage,current,withareducingagenttomaintainwhiteslag(heatpreservationandthelike).

4

测温，取样

Temperaturemeasurement,sampling

0.5

[S]进入规格，微调成份，停电提升电极、炉盖

[S]intothespecification,fine-tuningingredients,poweroffascensionelectrode,thefurnacecover

5

钢包车开出、喂丝软吹（不裸露钢液）

Ladlecarout,threadfeedingsoftblow(notbaresteelliquid)

8

吊包至后处理工位。

Cranepacketstopost-processingworkstation.

0.5

小计

Total

40

No.

Item

Ladleservicetime（min）

Remarks