reverse helix bring gold back to the top front and drops gold and heaves under hopper via groves like a screw An easy way to make this part is a big piece of pvc pipe cut roughly 1 continuous cut while spinning pipe will end up with a big slinky then fix it to inside of trommel so gold will climb to the top... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.
Screen Layer: 1–2
Screen Size: 1–40mm
Brand Name: Fote Machinery
Application: Ore concentrate/separator plant
Main Equipment : Jaw crusher, impact crusher, hammer crusher, flotation machine, classifier, ball mill, concentrator, etc.
Application: Aluminum briquetting machine can not only put aluminum materials into full use, but also save great deal of resources consumption as well as economic cost for you.
Feeding Size: ≤25-≤100mm
Production Capacity: 5-100t/h
Applied Materials: River gravel, iron ore, limestone, quartz, granite and other medium or hard ores and rocks.
Feeding Size: 200-350mm
Discharging Size: 25-35mm
Production Capacity: 5-150TPH
Configuration: Lime kiln, coal mill, cooling machine, jaw crusher, vibrating feeder, etc.