Electric Solid Asphalt Melting Device - China Suppliers & Factory for Quick Heating Solutions
Core Function
Directly melt solid asphalt: Block / Barrel-packed cold asphalt → Pumpable liquid.
Temperature control and insulation: Precise temperature control to prevent asphalt aging and coking.
Environmentally friendly and safe: No open flame, no smoke, no thermal oil / steam system.
Fast feeding: Continuous discharge, used with buffer tank and filter.
Typical Structure
Tank Body
Vertical cylinder, carbon steel + insulation layer (rock wool / silicagel)
Electric Heating Elements
Built-in heating rods / electric heating tubes (stainless steel, far-infrared); Bottom / side wall heating plates / heating jackets; Heating cables (auxiliary insulation)
Internal Divisions
Feeding area (Solid input), Melting area (Main heating), Insulation area (Constant temperature), Sludge area (Bottom slag discharge)
Attachments
Feed/discharge/sewage ports, Level gauge, thermometer, temperature control cabinet, Explosion-proof equipment, Overheat protection, Optional stirring.
Working Principle
Solid bitumen is added from the top.
Electric heating elements directly heat, local rapid melting.
Solid blocks are immersed in liquid bitumen to accelerate melting (heat conduction + convection).
Temperature control system maintains 140–180℃.
Liquid bitumen is discharged by the lower discharge pump; impurities settle at the bottom.
Main Types
Box type / Small unit
Capacity: 0.5–5m³. Ideal for on-site construction, small batch, and mobile needs.
Vertical Continuous Tank
Capacity: 5–20m³. Suitable for carbon, waterproof, and continuous mixing station production.
Electric Heating Drum Separator
Special for 200L standard drums. Features automatic drum separation and rapid melting.
Advantages (vs Thermal Oil/Steam)
Simple & Fast: No boiler or complex pipelines; plug in and use immediately.
Precise Control: ±5℃ accuracy ensures bitumen quality and prevents aging.
Clean & Safe: No smoke, no leakage, no open flame, and explosion-proof.
Low Maintenance: Fewer moving parts, no oil pumps or complex valves to clean.
Application Scenarios
- Carbon Factory
- Waterproof Sheets & Coating
- Road Construction Sites
- Modified/Emulsified Asphalt Lines
- Bitumen Warehouses
Electric vs. Thermal Oil Melting
Electric Heating
Uses electricity, simple structure, superior temperature control. Best for small-to-medium clean production.
Thermal Oil
Complex system, large capacity. Best for continuous, long-term, large-scale industrial production.