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ESR Furnace Transformers & Machines ( An ISO 9001:2008 Certified Company )

ELECTROMECH CORPORATION MAKE FULLY AUTOMATIC ESR FURNACE MACHINE.

Furnace Machine

‘ELECTROMECH’ make fully automatic, Water-cooled heavy duty ESR Transformer suitable for your different sizes of furnishing rods, with suitable clamping and water cooled heavy duty thyristorised, Latest heat sequence electronic control panel, Electronic control system consists of water-cooled thyristor assembly, necessary sensors for automation and protection & for achieving maximum productivity.

     

 ESR furnace

We can supply the complete of ESR, it has low price and high quality . ESR  Furnace is a equipment that the current through the slag, bring the resistance heat, can use the resistance heat and is abstract metal

 
 Detailed Product Description

Electroslag remelting furnace (ESR furnace) provides optimal removal of sulphur, non-metallic inclusions and gases.

ESR furnace/electroslag remelting furnace is a current production of heat using molten slag into the pool from the power level, the metal droplet liquid washing through the residue, after crystallization in water-cooled crystallizer Into the ESR of special refining equipment. As the slag to the mixture of liquid crystal effects and good conditions for ESR metal with good Purity, cast structure is uniform, no white spots and the ring-like segregation, very low sulfur content, inclusion of small dispersion and other fine performance.

Therefore, ESR in the medium-sized forgings, rough blocks the production of a monopoly position in the high-quality tool and die steel, duplex steel billet, cold Rolling
Electroslag furnace is particularly Special steel production equipment is essential. Electromech electroslag furnace company making full use of the most mature technology design, manufacturing production stereotypes Products.

 
 Equipment installation condition
Altitude <1000m
Ambient temperature

5-35 °C

relative humidity environment 85% (ambient temperature 20 ± 5 °C)
Supply voltage fluctuations

<± 5%

Cooling water inlet temperature > 0.25Mpa
Cooling water inlet pressure > 0.25Mpa
   

No conductivity and explosive dust, no corrosion and gas that damages electrical insulation,

Power distribution and control equipment need to be installed in the place with a well-ventilated, non-violent vibration
   

Main Technical Parameter of Electromech make ESR furnace / Electro Slag Remelting furnace :

Item

Unit

0.3 t

0.5t

1t

1.5t

Rated capacitance

t

0.3t

0.5t

1t

1.5t

Designed Production Capacity

t/y

500t

1000t

1300t

1700t

consumable electrode Diameter 

mm

150

190

280

320

consumable electrode Length

mm

2500

2500

2500

2500

Casting Mould Diameter

mm

240

300

410

460

Casting Mould height

mm

1100

1350

1350

1580

Transformer Capacity

kva

400

500

700

800

Transformer secondary voltage 

v

40-60

40-65

40-70

35-70

Transformer secondary current

ka

6.7

7.6

10

11.4

Transformer first voltage

kv

6(10)

6(10)

6(10)

6(10)

     
 Metallurgy of the Electroslag Remelting Process
Due to the superheated slag that is continuously in touch with the electrode tip, a liquid film of metal forms at the electrode tip. As the developing droplets pass through the slag, the metal is cleaned of non-metallic impurities which are removed by chemical reaction with the slag or by physical flotation to the top of the molten pool. The remaining inclusions in ESR are very small in size and evenly distributed in the remelted ingot
     
• Its melting point must be lower than that of the metal to be remelted;
• It must be electrically efficient;
• Its composition should be selected to ensure the desired chemical reactions;
• It must have suitable viscosity at remelting temperature.
     
The ingot surface covered by a thin slag skin needs no conditioning prior to forging. Electrodes for remelting can be used in the as-cast condition.
 
 Electroslag Remelting Furnaces
Significant advances have been made over the years in plant design, coaxial current feeding and particularly in computer control and regulation with the objective of achieving a fully-automatic remelting process. This in turn has resulted in improved metallurgical properties of the products. A fully coaxial furnace design is required for remelting of segregation-sensitive alloys in order to prevent melt stirring by stray magnetic fields.

Shielding of the melt space with protective atmosphere has been the latest trend in recent years. Remelting under increased pressure to increase the nitrogen content in the ingot is another variation of ESR. ESR furnaces can be designed for remelting of round, square and rectangular (slab) ingots.
 
• Homogeneous, sound and directionally solidified structure;
• High degree of cleanliness;
• Free of internal flaws (e.g. hydrogen flakes);
• Free of macro-segregation;
• Smooth ingot surface resulting in a high ingot yield.
     
 Main Features

ESR Transformer 120 KVA Plus 120 KVA double decors with common secondary. Total 240 KVA
ESR Transformer 150 KVA Plus 150 KVA double decors with common secondary. Total 300 KVA
Heavy duty Water-cooled thyristor assemblies
Latest Automatic Heat sequence electronic control panel.
Latest operating control panel including with Ammeter, Voltmeter Secondary Ammeter, Voltmeter other switches for easy operation.
Heavy diameter of Melting Rods.
Constant melting continuously without voltage fluctuation.
Quality Products is a result.

     
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