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Electric Furnace Equipment for Treatment of Fly Ash, Aluminum Powder, Red Mud, Coal Gangue

  • Electric Furnace Equipment for Treatment of Fly Ash, Aluminum Powder, Red Mud, Coal Gangue
Tempat asal Cina
Nama merek Shaanxi Chengda
Sertifikasi ISO 9001
Nomor model Bernegosiasi berdasarkan kapasitas pemrosesan peralatan
Kuantitas min Order 1 buah
Harga The price will be negotiated based on the technical requirements and supply scope of Party A
Kemasan rincian Diskusikan sesuai dengan persyaratan khusus Pihak A
Waktu pengiriman 2 bulan
Syarat-syarat pembayaran L/C,T/T,Western Union
Menyediakan kemampuan Menyelesaikan rantai pasokan produksi, memasok tepat waktu, dan memenuhi standar kualitas
Detail produk
Menyoroti

electric furnace for fly ash treatment

,

hazardous waste coal gangue furnace

,

aluminum powder red mud furnace
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Deskripsi Produk

Equipment Introduction & Technical Parameters


1. Equipment Type & Application


For the above four types of solid waste, the mainstream equipment includes submerged arc furnace (mineral heat furnace), DC melting furnace, rotary hearth furnace + electric furnace combination line, which achieve both harmless disposal and resource recovery.


Solid Waste Recommended Equipment Main Purpose Typical Process
Fly Ash DC Melting Furnace / Closed Submerged Arc Furnace Solidify heavy metals, decompose dioxins, separate molten salt Melting at 1400–1500℃ → Salt recovery → Slag solidification
Aluminum Powder / Aluminum Ash Submerged Arc Furnace / Aluminum Melting Furnace Recover metallic aluminum, remove impurities High-temperature melting → Aluminum settling → Reuse
Red Mud RHF + Melting Separation Furnace Recover iron, produce hot metal, utilize slag Pelletizing → Prereduction → Melting separation
Coal Gangue Submerged Arc Furnace / Electric-assisted Kiln Make bricks, ceramsite, waste heat power generation Briquetting → Sintering → Densification


2. General Process & Structure


  1. Raw Material Preparation: Crushing & grinding → Batching & pelletizing → Drying.
  2. Main System: Furnace body (steel shell + refractory lining) → Electrode system → Power supply system → Water cooling & flue gas cleaning.
  3. Key Reaction: High-temperature reduction/melting → Slag-iron separation → Tapping → Waste heat recovery.


3. Typical Technical Parameters


3.1 Electrical Parameters (General)



Parameter Range Remarks
Transformer Capacity 6,300 – 40,500 kVA Higher for red mud/fly ash
Secondary Voltage 80 – 290 V Low voltage, high current
Secondary Current 20,000 – 80,000 A Three-phase balanced
Power Factor ≥ 0.9 With reactive power compensation

3.2 Furnace & Electrode Parameters (33,000 kVA)



Parameter Value
Furnace Shell Diameter 10 – 12 m
Furnace Chamber Diameter 7 – 9 m
Lining Thickness 300 – 500 mm
Electrodes 3 pieces, Φ1.2 – 1.5 m
Furnace Top Temperature 900 – 1100℃

3.3 Process & Consumption Indexes



Material Melting Temp Daily Capacity Power Consumption Key Index
Fly Ash 1400–1500℃ 50–200 t/d 2,400–3,200 kWh/t Heavy metal leaching standard; dioxin decomposition ≥99.9%
Aluminum Ash 1200–1400℃ 80–300 t/d 1,800–2,500 kWh/t Al recovery ≥98%
Red Mud 1450–1650℃ 100–300 t/d 2,800–3,800 kWh/t Metallization rate ≥90%
Coal Gangue 1050–1300℃ 200–500 t/d 35–100 kWh/t High strength brick/ceramsite


4. Advantages


  • Strong adaptability: Handles various solid wastes.
  • Environmentally friendly: High temperature decomposes dioxins, stabilizes heavy metals.
  • Resource recovery: Recovers Fe/Al, produces building materials.
  • High automation: PLC control for temperature, electrode, feeding.


5. Selection Suggestion


  • Small scale (<100 t/d): 6,300–12,500 kVA
  • Medium (100–300 t/d): 12,500–25,000 kVA
  • Large (>300 t/d): 25,000–40,500 kVA

Closed DC furnace is preferred for fly ash for strict emission standards.


6. Typical Applications


  • Red Mud Project: 33,000 kVA submerged arc furnace, 200 t/d, hot metal + slag for rock wool.
  • Fly Ash Melting: DC furnace, salt recovery ≥95%, slag for road base.
  • Coal Gangue Utilization: Bricks + waste heat power generation.
Tag:

tungku DC

tungku busur listrik

pabrik peleburan logam