Mining vibrating screens
High-Frequency Vibrating Screen for Fine Cuts
Short answer: a high-frequency screen uses a fast, short stroke to keep fine particles moving and the fine mesh open. It makes cuts that conventional screens blind on, typically after grinding and before separation.
A high frequency vibrating screen (high-frequency vibrating screen) is used for fine cuts on mineral and sand duties. It is a mining screen, not a Φ1200 ceramic vibratory sieve.
Specifications on request — send your material, capacity and mesh size.
Working principle
Ordinary screens rely on a large, slower stroke that suits coarse particles. Fine particles need many quick contacts with the mesh instead. A high-frequency drive gives that fast, small motion; the bed stratifies quickly, fines reach the openings, and the vibration helps shed near-size particles that would otherwise block them.
Position in the line
In quartz and silica sand flowsheets the sequence is often mill, classifier, high-frequency screen, then the magnetic separator. Screening first removes oversize that the separator should not see and helps it run on a stable feed. See the silica sand iron removal guide and the wet slurry magnetic separators used on fine pulps.
Wet or dry duty
Wet high-frequency screens handle pulps from the grinding circuit and can also de-slime. Dry duty needs dust-tight covers and attention to moisture, because damp fines blind fine mesh. Tell us which you have.
Selection checklist
- Feed: material, top size and the share of fines or clay; whether it is dry, damp or a slurry.
- Cut: the aperture or mesh you separate at, and how many products you need (this sets the deck count).
- Throughput: tonnes per hour reaching the screen, including any circulating load from a crusher or mill.
- Duty: dry sizing, wet sizing with spray bars, de-sliming or dewatering.
- Screen media: woven wire, polyurethane or rubber panels, or perforated plate, matched to abrasion and blinding risk.
- Plant interface: feed chute and discharge positions, structure height, and the local supply voltage and frequency.
Specifications
Specifications on request — send your material, capacity and mesh size. Deck size, deck count, screen media and drive are confirmed in the quotation for your duty.
High-Frequency Vibrating Screen: questions
What is a high-frequency vibrating screen used for?
Fine wet or dry classification, typically after grinding and classification and before magnetic separation, and for de-sliming or fine dewatering.
Why does fine screening need high frequency?
Fine particles need many quick contacts with the mesh. A fast, short stroke stratifies the bed quickly and helps keep the openings clear.
Does a high-frequency screen lower iron content?
Not by itself. It separates by size; iron removal is done by the magnetic separator that follows.
How much does a high-frequency vibrating screen cost?
It depends on screen area, media, wet or dry duty and drive. PTMS does not publish prices; send your material, capacity and mesh size for a quotation by email.
Related equipment
- Linear Vibrating Screen
- Circular Vibrating Screen
- Dewatering Screen
- All mining vibrating screens
- PTMS-1200-3S vibratory sieve (dry powders and granules)
- PTMS-FP-1250 membrane filter press
- Dry powder magnetic separators
- Wet / slurry magnetic separators
- Mining screens: inquiry and supply to India (dellamagnet.com)
Get a factory quotation by email
Send your material, capacity and mesh size (or target cut). Our engineers match the screen type, deck count and screen media and reply with a quotation.
Get a factory quotation by email Email [email protected] WhatsApp +86 139 2990 7491