clirik offers HGM ring roller, CLUM vertical roller and CLCM air classifier mills for dry gypsum powder, with different feed limits, fineness ranges and throughput scales to match production targets. Gypsum source, free moisture and the choice between raw powder and calcined plaster determine crushing, drying and downstream equipment. Grinding reduces particles while air classification returns coarse material for another pass.
Three clirik mills provide different mechanical routes for dry gypsum feed. The catalogue figures below describe equipment ranges; actual gypsum throughput depends on feed moisture, particle size and the selected cut size.
| Mill | Feed limit | مسحوق جاهز | Catalogue capacity | Best starting point |
|---|---|---|---|---|
| HGM ring roller | 20 mm (0.79 in) | 150–3000 mesh | 0.5–45 metric t/h (0.55–49.6 US short ton/h) | Fine gypsum powder with roller grinding and air classification. |
| CLUM vertical roller | 10 mm (0.39 in) | 400–3000 mesh | 0.2–45 metric t/h (0.22–49.6 US short ton/h) | Continuous grinding, classification and conveying in one system. |
| CLCM classifier mill | 5 mm (0.20 in) | 3–300 μm | 10–5,000 kg/h (22–11,023 lb/h) | Mechanical impact milling with a dynamic classifier at smaller throughput. |
A quotation target includes D50 or D97 and hourly output; mesh alone does not specify the full particle size distribution.
Natural gypsum can be crushed to the mill feed limit and metered into a dry grinding line. Wet FGD gypsum and phosphogypsum can carry higher free water, chlorides or other impurities, so drying, deagglomeration and material testing may be needed before a dry mill. A dry powder route runs from crushing and feeding through milling, classification, collection and storage.
Plaster of Paris production adds calcination, cooling and aging after powder preparation. Calcination removes crystal water and changes the calcium sulfate phase; finer grinding by itself does not make plaster. A line quotation should therefore identify the supplied crusher, dryer, mill, classifier, dust collector, heat system, conveying and packaging equipment separately.
Prepared gypsum enters the grinding zone, where rollers or impact elements reduce particle size. Air carries the powder into a classifier: particles below the selected cut pass to collection, while oversize returns to the mill for another pass. The classifier setting, feed rate and feed condition jointly shape the finished powder.
A production target specifies the required particle size distribution and the test point at the collected powder outlet. This distinguishes a measured D97 or retained fraction from a nominal mesh label and keeps a process trial tied to the intended gypsum product.
The three featured clirik machines cover ring roller, vertical roller and air classifier milling routes for gypsum micro powder. Their feed limits, finished size and throughput provide a starting point for a process trial.
Ring roller mill for fine natural gypsum powder; air classification returns coarse material.
Integrated vertical roller grinding, classification and conveying for continuous fine gypsum production.
Mechanical impact mill with dynamic air classification for smaller scale gypsum powder production.
clirik supplies configured gypsum milling systems and material trials. Equipment prices are quoted per selected mill, output target and included process equipment.
One representative gypsum sample starts a grinding and classification trial; the charge follows the test scope.
Minimum order is one configured mill. The quotation separates main unit, classifier, dust collector, controls and services.
Multi-line orders use negotiated per-system pricing with agreed production and shipment milestones.
Equipment manufacture is planned for 8–16 weeks after drawing approval and deposit.
EXW or FOB terms and export packing are available; freight and destination costs are quoted separately.
Supply includes commercial invoice, packing list, equipment manual and contracted test records.
Answers to process and purchasing questions that affect a milling line specification.
Grinding reduces particle size; plaster of Paris requires a separate controlled calcination step that changes gypsum hydration state.
Wet byproduct gypsum needs a feed assessment and usually drying or deagglomeration before dry grinding; free water and chloride content shape the equipment route.
A useful request gives the required D50 or D97 in micrometers, or a mesh and retained fraction, together with the test method and target hourly output.
clirik offers material analysis and grinding trials to compare achievable fineness, output and configuration with the supplied sample.
The quotation identifies whether crushing, drying, grinding, classification, dust collection, calcination, conveying and packaging are inside the supply scope.
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