Preliminary Project Design Reference
This reference organizes a preliminary process drawing prepared for a specific 41.8 t/h polymetallic ore requirement. It is not an operating case: final equipment selection and process parameters must be confirmed by ore testing and detailed engineering.
The source drawing defines the material, feed size, throughput and preliminary process scope below. It does not establish final recovery or concentrate quality.
| Ore Type | Polymetallic ore |
|---|---|
| Feed Size | 10 mm |
| Design Throughput | 41.8 t/h |
| Daily Throughput | 1000 t/d |
| Process Scope | Grinding + classification + gravity concentration + flotation + dewatering |
| Design Status | Preliminary process reference |
This is a simplified reading of the supplied preliminary drawing: grinding and classification are shown before representative gravity, flotation and dewatering branches. Actual stream routing, split, return paths, reagent scheme and operating conditions require testwork and detailed engineering confirmation.
Grinding and classificationThe supplied drawing shows: feed → ball mill → hydrocyclone group
Gravity branchRepresentative branch shown: centrifugal concentrator → shaking tables → gravity concentrate
Flotation branchRepresentative branch shown: conditioning → flotation cells → concentrate thickening / vacuum filtration, plus a tailings dewatering option
Representative branch relationships are simplified from the supplied drawing; confidential assay and project identifiers are removed.
Representative branch relationship - actual stream split requires testwork confirmation.
Original preliminary engineering drawing, privacy-redacted for publication.
These models and quantities are transcribed from the supplied preliminary drawing. They are reference selections, not a final equipment schedule.
| Stage | Equipment | Model / Size | Quantity / Note |
|---|---|---|---|
| Feeding | Vibrating feeder | GZ-4 | Shown before the mill feed conveyor |
| Grinding | Ball mill | Φ3.0 × 4.0 m | 1 line shown |
| Classification | Hydrocyclone group | FX300×5 | 1 group |
| Gravity concentration | Centrifugal concentrator | STLB-80 | 2 units — 1 operating + 1 standby |
| Gravity cleaning | Shaking table | 6-S | 4 units |
| Conditioning | Agitation tank | XB-3500 | 1 shown |
| Reagent preparation | Reagent agitation tank | BJW1500 | 4 units |
| Flotation | Flotation cells | SF-4.0 | 4 cells |
| Flotation | Flotation cells | SF-8.0 | 16 cells |
| Concentrate thickening | High-efficiency thickener | NZS-12 | 1 shown |
| Concentrate filtration | Vacuum filtration equipment | GP-15 | 2 units — 1 operating + 1 standby |
| Tailings dewatering option | Filter press | XMZK800/2000-40U | 3 units — 2 operating + 1 standby |
Mill feed conveyorB650 × 20 m belt conveyor
Mill discharge pump6/4D-AH, 250 m³/h, 35 m, 55 kW; 2 units (1 operating + 1 standby)
Process slurry pump3/2C-AH, 32 m³/h, 16 m, 7.5 kW; 2 units
Thickener discharge pump2/1.5B-AH, 21 m³/h, 20 m, 45% slurry concentration, 7.5 kW; 2 units (1 operating + 1 standby)
Tailings slurry pump100LZ2-1, 279 m³/h, 52 m, 90 kW; 4 units (3 operating + 1 standby)
Product conveyorB500 × 10 m belt conveyor
Tailings conveyorsB500 × 15 m, 3 units; B650 × 20 m, 1 unit
The first sentence in each item records the drawing. The second provides general mineral-processing context and is not a project performance claim.
Drawing fact: The GZ-4 feeder and belt conveyor send 10 mm feed to a Φ3.0 × 4.0 m ball mill.
Engineering context: Separation depends on mineral liberation, so a 10 mm feed still needs finer grinding before gravity and flotation stages can be evaluated.
Drawing fact: An FX300×5 hydrocyclone group receives the mill discharge slurry.
Engineering context: Hydrocyclone classification separates slurry streams by particle behavior and helps control which material returns or moves to subsequent recovery stages.
Drawing fact: The gravity branch includes STLB-80 centrifugal concentrators and four 6-S shaking tables, with product and return streams shown.
Engineering context: Centrifugal concentration can recover valuable heavy components from a suitable classified stream; shaking tables can then clean a gravity concentrate.
Drawing fact: The flotation area includes BJW1500 reagent tanks, an XB-3500 agitation tank, SF-4.0 cells and SF-8.0 cells.
Engineering context: Flotation can treat floatable components after conditioning, but reagent selection and residence time must come from ore testwork.
Drawing fact: One concentrate stream is routed to an NZS-12 thickener and GP-15 vacuum filtration equipment.
Engineering context: Thickening reduces the water load before filtration; the required final moisture determines the actual dewatering design.
Drawing fact: A separate dewatering option uses XMZK800/2000-40U filter presses and belt conveyors.
Engineering context: Whether this route is required depends on slurry behavior, water recovery, disposal method and the project’s final tailings specification.
Actual mineral recovery behavior depends on mineralogy, liberation size and testwork.
These are existing Zhongji ball mill images for equipment context. They are not photographs of the preliminary project described on this page.
