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Chrome Corundum Furnace

Chrome Corundum Furnace

Chrome Corundum Furnace
Chrome Corundum Furnace
Categories Ferroalloy Smelting Equipment
Brand Name: Shaanxi Chengda
Model Number: Negotiate based on equipment processing capacity
Certification: ISO 9001
Place of Origin: China
MOQ: 1 unit
Price: The price will be negotiated based on the technical requirements and supply scope of Party A
Payment Terms: L/C,T/T,Western Union
Supply Ability: Complete production supply chain, supply on time, and meet quality standards
Delivery Time: 2 months
Packaging Details: Discuss according to the specific requirements of Party A
Durability: High resistance to thermal shock and corrosion
Temperature Range: 1000-1800℃
Parameter Of Apparatus: customizable
Showroom Location: Indonesia, Russia, South Africa
Data Analysis: Accurate
Capacity: Varies from small-scale to large-scale industrial production
Country Of Origin: Shaanxi, China
Operatingtemperature: Up to 1600°C or higher depending on alloy type
Use: Melting Furnace
Key Selling Points: Competitive Price
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Company Info.
Shaanxi CHENGDA Industry Furnace MAKE Co., Ltd.
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Chrome Corundum Furnace

Chrome Corundum Furnace


Equipment Introduction and Technical Parameters


1. Equipment Introduction


1.1 Application Purpose


The chrome corundum furnace is a three-phase tilting electric arc smelting furnace. It takes industrial alumina and chromium oxide powder as main raw materials. Through ultra-high temperature arc melting and reduction crystallization, it produces chrome corundum (chromium single-crystal corundum).

The finished product features high hardness, high toughness, high temperature resistance, and acid & alkali corrosion resistance. It is widely used in precision abrasives, stainless steel / high-speed steel grinding, ceramic refractory materials, special wear-resistant parts, high-end sandblasting and polishing industries.

1.2 Structural Features


Adopts hydraulic tilting electric arc furnace overall structure:

  • Furnace Body: Welded steel plate shell lined with high-temperature resistant refractory castable; high overall strength, excellent thermal shock resistance.
  • Furnace Roof: Enclosed water-cooled furnace cover, reserved with electrode holes, feeding holes and dust removal & smoke exhaust interfaces.
  • Electrode System: Graphite electrode with hydraulic / frequency conversion lifting; PLC intelligent constant power adjustment for stable arc temperature.
  • Short Network System: Water-cooled cables and copper conductive cross arm; balanced three-phase current and low heat loss.
  • Tilting System: Hydraulic drive for smooth furnace tilting and discharging, no impact and high safety.
  • Cooling System: Circulating forced water cooling for furnace roof, conductive cross arm and water-cooled cables; equipped with water pressure and temperature monitoring and alarm.
  • Control System: Fully automatic electric control cabinet, real-time monitoring of current, voltage, furnace temperature and cooling parameters.

1.3 Working Principle


Three graphite electrodes are energized to generate electric arcs, forming an ultra-high temperature zone above 2000℃ inside the furnace to melt the mixed materials of alumina and chromium oxide.

After high-temperature melting and alloying reaction, the molten liquid is poured, slowly cooled, crystallized, crushed, screened and magnetically separated to make chrome corundum abrasives of various particle sizes.

2. Main Technical Parameters (Standard Common Models)


Parameter ItemTechnical Specification
Furnace TypeThree-phase AC hydraulic tilting electric arc furnace
Melting Capacity per Batch5–15 t/furnace
Transformer Rated Capacity3000KVA / 5000KVA / 6300KVA
Primary Input Voltage10KV
Secondary Working Voltage100–220V Stepless Regulation
Graphite Electrode Diameter400–500mm
Electrode Lifting ModeAutomatic hydraulic lifting, PLC constant current arc control
Melting Working Temperature2000–2300℃
Unit Power Consumption1700–2100 KWh/t
Discharging Tilt AngleForward 45°
Cooling ModeCirculated pure water forced cooling
Power Supply Standard3-phase, 50Hz, 10KV
Control ModePLC full automatic control + HMI monitoring

3. Physical & Chemical Index of Chrome Corundum Finished Product


Performance IndexStandard Parameter
Al₂O₃ Content97.0%～99.0%
Cr₂O₃ Content1.5%～3.0%
Mohs Hardness≥9.0
Melting PointApprox. 2040℃
Bulk Density≥3.85 g/cm³
ApplicationSpecial for precision grinding, stainless steel and alloy steel


Product Tags:

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Chrome Corundum Furnace

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