XY-1880 Screw Sand Washer Few Wear Parts Stable Operation Oil Bath Transmission

XY Spiral Sand Washer with 90-110 t/h Capacity And Fully Enclosed Oil-Bath Drive

Sand washing is often treated as an afterthought—a necessary but messy step before stockpiling. At Sichuan Xinyida Machinery, we see it differently. The XY Spiral Sand Washer was not designed to simply "clean" sand. It was engineered to solve three persistent problems in aggregate processing: muddy output, disappearing fines, and maintenance headaches.

The Mud Problem, Solved by Motion

Most screw washers rely on brute agitation. The XY takes a more calculated approach. Inside its inclined tank, a large-diameter screw rotates at a carefully selected speed—fast enough to lift heavy particles upward, yet slow enough to let clay and silt remain suspended and overflow. The result is not just cleaner sand, but predictable, repeatable cleanliness. Mud doesn't sneak through. It flows out the designated discharge opening, leaving behind aggregate that passes visual and laboratory inspection.

Keeping the Valuable Fines Where They Belong

Here is a little-known fact in the sand business: many washers unintentionally discard the very particles that improve concrete workability—medium-fine sand and stone powder. The XY Spiral Sand Washer addresses this with an extended tank bottom and a customized overflow weir plate. By adjusting the weir height, operators control exactly which particle sizes stay and which wash away. Stone powder, often wrongly considered waste, is retained. Fine sand stays in the product. This means better gradation, a stable fineness modulus, and more usable sand per ton of feed.

Fewer Parts That Touch the Material

Wear is inevitable when sand and steel meet. But the XY minimizes the number of components exposed to abrasion. The screw flights, tank bottom bent plate, and discharge opening are the primary contact points. Everything else—the drive, the bearings, the seals—lives above or outside the slurry line. This design choice has a direct consequence: fewer parts to replace, fewer weekends spent on repairs, and a machine that keeps running while others are down for maintenance.

Oil-Bath Drive: The Quiet Foundation

Open drives attract grit. Grit destroys gears. The XY's fully enclosed oil-bath transmission breaks this cycle. The motor, gear reducer, and coupling operate inside a sealed housing where lubricant stays clean and components stay cool. The 20-degree fixed incline of the machine is not arbitrary—it matches the natural angle of repose for dewatering, allowing gravity to assist rather than fight the drive unit. The result is a sand washer that sounds different: quieter, smoother, and less strained under full load.

One Machine, Two Jobs

Some operations buy a washer and then buy a dewatering screen. The XY eliminates the second purchase. As the screw conveys sand up the 20-degree incline, free water drains back down through the material bed. By the time sand reaches the top discharge, it has been both washed and dewatered. The separated water, still carrying fine particles, flows into the fine sand recovery unit on the opposite side—not wasted, but recaptured.

For Roads, Dams, and Buildings That Last

Impurities in sand weaken concrete and degrade asphalt. The XY Spiral Sand Washer is already proven on highway projects, hydropower stations, and commercial construction sites where material specifications are non-negotiable. Whether feeding a batching plant or supplying a ready-mix operation, this machine delivers sand that builders trust.

Xinyida Machinery builds equipment for the long haul. The XY Spiral Sand Washer is a statement of that commitment—clean sand, low loss, and fewer problems. Contact us to see how it performs with your material.