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Africa
Angola Dolomite Grinding Mill
Angola Dolomite Grinding Mill from HAMAC - a Chinese manufacturer established in 2005. European-type trapezium mills and high-pressure Raymond mills for fine powder Send your output requirement and get a matched proposal within one working day.
Industrial Grinding Mills
Angola Dolomite Grinding Mill
HAMAC supplies the MTW European-type trapezium mill for larger capacity and higher classification accuracy, and the YGM high-pressure suspension mill for mid-range output with excellent fineness control. Both integrate feeding, grinding, classification, dust collection and packing into a closed negative-pressure circuit.
Because dust is both a health hazard and a product loss, both ranges use pulse-jet collectors and fully sealed conveying rather than open transfer points.
Buyers usually compare two things: whether the machine will hold its rated output on a hot day with damp aggregates, and whether anyone will answer the phone in year three. HAMAC designs for both.
Key Advantages of Angola Dolomite Grinding Mill
Integrated packing
Valve bag packers and jumbo bag stations complete the line so no secondary handling is needed.
High classification accuracy
Cage classifiers cut fines cleanly, narrowing particle size distribution for premium products.
Energy-efficient drive
Optimised gear-box ratios and balanced rotors reduce kWh per tonne of finished powder.
Turnkey engineering
We supply layout, power distribution, dust collection design and commissioning as one scope.
Negative-pressure operation
The whole circuit runs below atmospheric pressure, keeping the plant clean and safe.
Wear-resistant grinding parts
High-chromium alloy rollers and rings extend service life on abrasive materials.
Technical Parameters
Indicative ranges for standard configurations. Final values are confirmed against your project requirements.
| Parameter | Specification |
|---|---|
| Mill type | MTW European-type trapezium mill / YGM high-pressure suspension mill |
| Feed size | ≤ 30 mm |
| Output fineness | 80 - 2500 mesh (0.18 - 0.005 mm) |
| Capacity | 1 - 45 tonnes per hour |
| Main motor power | 18.5 - 315 kW |
| Classifier | Cage type with variable frequency control |
| Dust collection | Pulse-jet bag filter / cyclone + filter combination |
| System configuration | Negative-pressure closed circuit with bucket elevator and packing line |
Typical Applications
On typical projects this equipment is selected where output reliability governs the whole schedule.
Ceramic and refractory raw materials
Fine body preparation with tight particle control
Calcium carbonate and limestone powder
Fillers for plastics, paper, paints and PVC products
Gypsum and plaster operations
Calcined gypsum used in board manufacturing and plasters
Barite and talc grinding
Weighting agents and cosmetic-grade powder production
Coal gangue and slag processing
Supplementary cementitious material for blended cements
From Enquiry to Commissioning
Six defined stages, each with named deliverables, so nothing is left to interpretation.
Requirement study
We start with your mix design, hourly output target, aggregate size, jobsite power supply and site layout — not with a catalogue page.
Scheme design
Our engineering team issues a layout drawing, foundation loads, power requirement and an equipment list matched to the target output.
Quotation & contract
A fixed specification quotation with clear technical annexes protects both sides; no vague "standard configuration" wording.
Production & inspection
Weekly production photos, welding and pressure test records, plus third-party inspection if your project requires it.
Delivery & installation
Container or break-bulk shipment, then on-site supervision of assembly, alignment, calibration and dry-run.
After-sales
Remote diagnostics by video call, spare parts dispatch within 48 hours for stocked items, and periodic return visits.
Frequently Asked Questions about Angola Dolomite Grinding Mill
How much power does the whole line consume?
Roughly 25-45 kWh per tonne of finished powder depending on fineness and feed hardness.
What fineness can I achieve for my product?
Most industrial fillers run between 200 and 1250 mesh; we recommend a laboratory test.
What is the wear-part life?
Grinding roller and ring sets typically run 2,000-4,000 hours depending on feed abrasiveness.
How do I choose between MTW and YGM?
MTW suits larger capacity and harder feed above roughly 20 t/h; YGM is economical mid-range and excels in very high fineness applications.
Do you test my material before quoting?
We recommend sending 20-30 kg of sample; we perform a laboratory grind test and report achievable fineness and capacity.
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Request pricing
Get a Matched Proposal for Angola Dolomite Grinding Mill
Tell us the required output, material characteristics, site power supply and destination port. Our engineers return a complete technical and commercial proposal, normally within one working day.
- Layout drawing and foundation loads supplied before order
- Fixed specification quotation with a technical annex
- Spare parts recommendation and operating cost estimate
Email: [email protected]
WhatsApp: +8619138100129
Talk to an engineer
Discuss Your Angola Dolomite Grinding Mill Requirement
Twenty years of export experience across eighty countries. One engineer follows your project from enquiry to commissioning.