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ISO 9001 Variable Power 20 Ton LRF In Steel Making

Categories LRF Steel Making
Brand Name: Yushun
Model Number: Customized
Certification: ISO 9001
Place of Origin: Jiangsu, China
MOQ: 1 set
Price: Negotiated
Payment Terms: L/C, T/T
Supply Ability: Negotiated
Delivery Time: 30 days
Packaging Details: normal package naked or pack it according to customers' request
Name: 1-20ton Ladle Refining Furnace
Type: Ladle furnace
Melting capacity: 10-150T
Dimension: All size, Customized
Application: Melting metal
Condition: New
Transformer capacity: 4000KVA
Power: Variable
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ISO 9001 Variable Power 20 Ton LRF In Steel Making

1-20ton Ladle Refining Furnace

Product details

Structure characteristics: ladle furnace with LD, VD, VOD, AOD four kinds type of furnace, the user can choose according to the type of furnace or boiler type combination steel and smelting process production.

As the refining equipment arc furnace, converter, induction furnace refining furnace with initial refining furnace.

With arc heating, argon stirring, vacuum degassing, temperature and sample alloying and other functions.


Equipment composition

1.Ladle
2.Ladle and towing device
3.The heating tray and a roller device
4.Heating furnace cover and lifting device
5.Electrode lifting mechanism
6.Electric furnace transformer
7.Busbar
8.Argon blowing system
9.Cooling system
10.Hydraulic system
11.Low voltage electrical control system

Parameter

Main Technical Parameter
Ladle rated capacity50T
Free board600mm(for 40 tons molten steel)
Ladle car travel speed2-20m/min
Ladle car driving method

Mechanical, VVVF


Ladle car position accuracy±10mm
Roof constructionWater cooled ,tubular
Roof lifting distance400mm
Electrode diameter350mm
Pitch circle diameter600mm
Electrode lifting distance2200mm
Electrode travel speed

4m/min(up, automatic)

3m/min(down, automatic)

Temperature rising rate≥4℃ max 5℃ after heat balance
Transformer capacity10MVA+20%
Primary voltage22KV, 3 P, 50Hz
Number of taps and voltage steps5 (off-load)
Cooling modeOFWF
Short net Impedance≤2.4mΩ
Three phase unbalance≤4%
Hydraulic pressure12MPa
Hydraulic mediumWater-glycol
Water pressure

0.5MPa (for roof cooling)

0.3MPa(for the other)

Inlet water temperature≤35℃
Outlet water temperature≤55℃
Total water consumption250m3/h
Compressed air pressure0.4-0.6Mpa
Compressed air flow rate120L/min
Argon gas pressure0.8Mpa (max 1.6Mpa)
Argon flow rate250L/min(max)


Function


1. Electric arc heats up and temperature rises under constant pressure, measure temperature and take samples, finally temperature control is accurate so as to optimize casting temperature.


2. Synthetic slag goes through refining, desulfuration, deoxidation, degasification and removal of inclusions


3. Bottom blowing argon siring. make liquid steel temperature uniform and make components uniform and pure.


4. Alloy fine adjustment makes component controlled accurately. The finally required chemical composition could be achieved with high efficiency through ferroalloy element or aluminum or wire feeding.


5. Being equipped with wire feeder makes liquid steel realize desulfuration and deoxygenation, changes inclusion pattern and distribution and accurately controls alloy elements. And it has high alloy yield, low temperature drop and low environmental pollution.


6. As buffering equipments between primary melting furnace and continuous casting machine, ensure matching production of primary meting furnace and continuous casting, realize sequence casting.



Characteristics


1. Adopting the water cooled furnace roof equipped with dedusting interface of which the size of smoke outlet is adjustable to keep the tiny barotropic atmosphere and reducing atmosphere inside the furnace.


2. Using the cooper-steel composited conductive arm, reducing electrode pitch circle diameter and prolonging lining service life.


3. Equipped with automatic or manual temperature measurement and sampling device to measure the liquid steel temperature accurately.


4. Large current system adopts large-section water cooled cable, compensators and copper-steel composite conducive arm, thus reduce major loop impedance.


5. Using alloy and slag automatic charging device to accurately measure the charging volume.


6. Equipped with PLC control system and smelting model.


Selling Units: Single item

Single package size: 150*100*170cm

Single gross weight: 100,000kg

Package Type: Safety Seaworthy Package

Lead Time:

Quantity (Tons)1-100>100
Est. Time(Days)60To be negotiated

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