Ladle Furnace (LF)

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PRODUCT DETAIL

(1) Saving of energy(2) Saving of ferroalloy(3)Increase productivity
(4) Decreasing refining time of EAF
(5) Decreasing tapping temperature at EAF(6) Precise temperature control
(7) lmproved of inclusions, cleanliness ofthe steel
(8)Possibilities of wrong analysis limited(9) wire-feeding, degassing,
desulfurization, de-intercalation, precisecontrol of molten steel;
(10)Buffering, adjustment and otherfunctions for the primary and continuouscasting;
Ladle furnace (LF)
ALadle Furnace is used to relieve the primary melter of most secondary refining operations,and its primary functions are:
1.Alloy additions to provide bulk or trim chemical control;2.Cored wire addition for trimming or morphology control;3.Provide a means for deep desulphurization;
4.Provide a means for dephosphorization;
5.Act as a buffer for down stream steelmaking equipment;
The function of the porous plug is to provide gas stirring of the molten metal to promotehomogenization. Normal stirring operations are performed by percolating argon gas through apurge plug arrangement in the bottom of the ladle. A top lance mechanism serves as a back upmeans for bath stirring in the event the plug circuit in the ladle is temporarily inoperable.The gassupply connection to the ladle is automatically made when the ladle is placed on the transfer car.Fumes and particulates generated during heating and alloying operations at the LF will exit thewater-cooled ladle roof through the various openings in the roof.These emissions will be captured(i.e. entrained) in ambient air drawn into a lateral draft type fume collection hood mounted onsupporting structures above the ladle roof.
The ladle roof is typically a water-cooled design with a refractory center or delta section and isconfigured to coordinate with existing ladles such that the roof will completely cover the topportion of the ladle when in the operating (i.e. fully lowered) position.

 

 

Equipment

 

composition: transformer, copper busbar system, electrode lifting device, furnace roof and roof liftingdevice, heating bridge, ladle, ladle car, wire feeder, argon gas regulation system, cooling water system, compressed airsystem, hydraulic system, measurement Temperature sampling device, automatic feeding system, high voltage powersupply system, low voltage electrical control system, automation system, etc.

 

 

 

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