What is the difference between asphalt spreader and asphalt paver?

Asphalt spreader is a kind of road machinery used to transport and spray various types of liquid asphalt. After the asphalt penetration pavement is compacted, compacted and evenly spread on the gravel layer, the asphalt is sprayed for the first time on the base layer that is cleaned and kept dry, and the caulking material is spread evenly while it is hot After that, the asphalt is sprayed by the asphalt sprayer a second time until the covering asphalt is sprayed to form a road surface. The working object of the asphalt spreader is liquid asphalt.

Asphalt paver is a machine that evenly spreads the asphalt mixture on the road base, and performs preliminary consolidation and leveling. There are two types of track and tire. It consists of two parts: traction, paving, compaction and ironing. The working object of the asphalt paver is soft solid asphalt.