• Shaanxi CHENGDA Industry Furnace MAKE Co., Ltd.
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    シャンシ・チェンダ工業炉株式会社 電気弧炉の稼働を完了し 労働者は チェンダの技術者と 慎重に協力して 機械の操作を学びました中国とパキスタンの民間の深遠な友情と優れた協力を示す.
  • Shaanxi CHENGDA Industry Furnace MAKE Co., Ltd.
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    1ヶ月以上の集中的な制作とデバッグの後熱交換煙ガス沉着室機器2セットが成功して稼働開始しました ~ プロジェクトに関与したすべてのスタッフが一生懸命働きましたほら!
  • Shaanxi CHENGDA Industry Furnace MAKE Co., Ltd.
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    温かいおめでとう 韓国のシャンシー・チェンダ工業炉製造会社北チョンチェョン郡 宝石の溶融炉の設備の設置と慎重な製造と厳格な稼働相互に有益な協力を達成するために,より多くの分野での未来を期待しています!
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Fly Ash Rock Wool Electric Furnace

起源の場所 中国
ブランド名 Shaanxi Chengda
証明 ISO 9001
モデル番号 設備の処理能力に応じてご相談させていただきます
最小注文数量 1台
価格 The price will be negotiated based on the technical requirements and supply scope of Party A
パッケージの詳細 当事者Aの具体的な要件に従って協議する
受渡し時間 2ヶ月
支払条件 L/C、T/T、ウェスタンユニオン
供給の能力 生産サプライチェーンを完成させ、予定通りに供給し、品質基準を満たします
商品の詳細
ハイライト

fly ash rock wool furnace

,

electric furnace for hazardous waste

,

solid waste treatment furnace

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製品の説明

Introduction to Fly Ash Rock Wool Electric Furnace


Fly Ash Rock Wool Electric Furnace is a specialized submerged‑arc electric melting furnace designed for high‑temperature vitrification of municipal solid waste incineration fly ash and production of high‑quality rock wool insulation materials. It converts hazardous fly ash into value‑added rock wool via electric heating, achieving harmless disposal and resource recycling simultaneously.



Core Working Principle


  1. Raw Material Preparation: Fly ash is mixed with modifiers (e.g., lime, feldspar) to adjust acidity coefficient (1.5–2.0) and melt viscosity.
  2. Electric Melting: Three‑phase AC or DC power generates submerged arcs, heating the furnace to 1,350–1,550°C to fully melt the mixture into homogeneous molten slag.
  3. Vitrification & Purification: High temperature decomposes dioxins (destruction rate >99.99%) and stabilizes heavy metals in the glassy phase.
  4. Fiber Formation: Molten slag flows continuously to a centrifuge at 3.3–4.0 t/h to form rock wool fibers.



Main Structure


  • Furnace Body: Steel shell with high‑purity MgO‑C refractory lining, resistant to high temperature and corrosive slag.
  • Electrode System: 3 graphite electrodes (φ400–600 mm) with automatic lifting; powered by a dedicated transformer.
  • Power Supply: Transformer capacity 3,000–10,000 kVA (common: 5,000–7,500 kVA).
  • Tilting & Tapping: Hydraulic tilting (max 45°) and bottom tapping for continuous slag discharge.
  • Control System: PLC/DCS for automatic temperature, power, and flow regulation.
  • Auxiliary Systems: Dust collection, waste heat recovery, and flue gas treatment.



Typical Technical Parameters


Parameter Common Range Typical 7,500 kVA Furnace
Transformer Capacity 3,000–10,000 kVA 7,500 kVA
Furnace Shell ID φ5,200–6,500 mm φ6,200 mm
Melting Temperature 1,350–1,550°C 1,450°C
Molten Slag Flow Rate 3.3–4.0 t/h 3.8 t/h
Slag Acidity Coefficient 1.5–2.0 1.8±0.3
Smelting Cycle Continuous operation >8,000 hours/year
Hourly Output (Rock Wool) 4–6 t/h 5.5 t/h
Annual Capacity 30,000–50,000 t 45,000 t
Unit Power Consumption 300–400 kWh/t 350 kWh/t
Electrode Consumption 1.5–2.5 kg/t 2.0 kg/t
Dioxin Destruction Rate >99.99% >99.99%
Carbon Reduction ~245 kg CO₂/t ~245 kg CO₂/t



Product Specifications (Rock Wool)

Item Standard
Density 60–150 kg/m³
Thermal Conductivity ≤0.044 W/(m·K)
Acidity Coefficient ≥1.8
Fiber Diameter ≤7.0 μm
Fire Resistance Non‑combustible (Class A)
Heavy Metal Leaching Meets GB/T 41015–2021



Key Advantages


  1. Harmless Disposal: Destroys dioxins and stabilizes heavy metals, fully complying with fly ash treatment standards.
  2. Resource Recycling: Converts hazardous waste into high‑value insulation material.
  3. Energy Efficient: Electric heating reduces energy consumption by >40% vs. coke‑fired cupolas.
  4. Stable Quality: Precise temperature control ensures uniform fiber properties.
  5. Low Emission: Near‑zero dust and flue gas pollution.
  6. Long Service Life: Continuous operation >8,000 hours annually.



Typical Application Process


  1. Batching: Fly ash + modifiers → proportioning and mixing.
  2. Charging: Continuous feeding into the electric furnace.
  3. Melting: Submerged‑arc heating to form molten slag.
  4. Refining: Slag homogenization and impurity removal.
  5. Fiberization: Slag → centrifuge → rock wool fibers.
  6. Post‑Treatment: Cooling, curing, and cutting into finished products.



Applications


  • Waste Treatment: Harmless disposal of municipal solid waste incineration fly ash.
  • Building Insulation: High‑performance rock wool for walls, roofs, and pipelines.
  • Industrial Insulation: High‑temperature insulation for furnaces and equipment.