Road Construction Machinery Hot Bitumen Spreader

It is used for pavement aging and bonding work: applying a thin layer of liquid petroleum asphalt or emulsified asphalt to seal surface voids, prevent moisture infiltration, and ensure a strong bond between asphalt layers and non-asphalt bases.

The machine can handle liquid petroleum asphalt, emulsified asphalt, ordinary asphalt, and potting (high-viscosity) asphalt thanks to its smooth discharge system and high-temperature resistant coating.

It uses a diesel burner with automatic temperature control. When the material reaches the set temperature the system switches to an insulation state to maintain temperature and optimize fuel use.

Indirect heating via forced circulation of heat-conduction oil provides uniform heating, reduces the risk of asphalt carbonization or localized overheating, and preserves material quality.

The two-stage melting process rapidly melts material in stages, shortening overall heating time and improving efficiency. It also permits adding grouting or asphalt at any time so the operation can continue without full shutdowns.

Yes. The machine offers controllable material flow direction to allow tidy seam filling, accurate application, and material conservation.

The smooth discharge system is designed for cleanliness and easy discharge of both potting and ordinary asphalt. Routine maintenance should follow the manufacturer manual and include regular inspection of seals, valves, and heating tubes.

Operators should follow the manufacturer's safety guidelines, wear appropriate PPE (heat-resistant gloves, eye protection, protective clothing), ensure proper ventilation for diesel burner exhaust, and avoid direct contact with hot bitumen. Regular checks for leaks and secure connections are also essential.

The machine uses imported electric heating material tubes designed for longevity and accurate temperature control. Replacement parts are generally available through the manufacturer or authorized dealers—confirm availability when ordering.

Yes. The advanced melting technology and two-stage melting process are designed to allow grouting or asphalt to be added at any time, supporting continuous operation.

Recommended routine maintenance includes checking and tightening fittings, inspecting and cleaning discharge and heating systems, verifying burner and oil-circulation pump operation, replacing worn seals, and following scheduled service intervals in the operator manual.

Energy efficiency is improved through automatic temperature control that shifts to insulation mode once the set temperature is reached, and through the indirect heat-conduction oil system which reduces overheating and fuel waste.

Yes. Trained operators should understand temperature controls, safe handling of hot bitumen, burner operation, adding material during operation, and emergency shutdown procedures. Manufacturers or dealers often provide training or documentation.

Ask for the detailed specification sheet: heating capacity, tank volume, temperature range, fuel consumption, dimensions, mounting or towing requirements, and compatibility with the specific asphalt types you plan to use. Also confirm spare part availability and warranty terms.

Warranty terms and after-sales support vary by manufacturer and dealer. Confirm the warranty duration, covered components (e.g., burner, heating tubes), availability of spare parts, and local service support before purchase.