

Applicable materials:River pebble, calcite, quartzite, marble, pebble, bentonite, iron ore, bluestone, mountain stone, water slag, limestone, weathered sand, diabase, granite, basalt and so on
Project Case Study
Field Report: Solving High Dust Generation and High-Moisture Material Packing
An energy generation plant was operating a traditional secondary impact mill to reduce raw ROM coal. Because the material had a high tendency to pulverize, the existing circuit created two technical liabilities that continuously compromised their net revenue:
Uncontrolled Fines & Slack Dust: The dynamic smashing force fractured the brittle coal into more than 25% low-value fines under 3mm, creating severe environmental hazards and raw material wastage.
Crushing Cavity Blockages: Whenever ambient water content exceeded 12% during wet seasons, the internal screen grates became severely blind with sticky material, forcing operators to halt the entire system for manual scaling.

Layout of the Fully Integrated 200 TPH Coal Crushing Circuit
Following a comprehensive mineral property assay, HSM technical technicians integrated our **2PGY1500×1200 Automatic Double Roller Crusher** matching specialized manganese shell geometries.
Moving away from high-velocity impact, this setup utilizes a **low-velocity, high-torque static pressure squeeze**. The coal chunks are continuously drawn into the roll gap, nipped cleanly along their natural structural lines, and discharged directly by gravity to prevent over-milling.

Heavy Duty 2PGY Sizing Unit Anchored on Concrete Foundation
Since its initial commission, the production infrastructure has sustained reliable 24/7 continuous operation, reporting substantial optimization across key cost areas:
Partner with HSM heavy engineering to receive a customized sizing schematic and factory price quote matching your aggregate targets.


Gongyi Huashengming Heavy Industry Machinery Factory is a production of crushing and screening equipment, production, sales as one of the large machinery intelligent manufacturing enterprises. Company headquarters is located in the Central Plains of the pearl Gongyi City, the main roller crusher equipment, mobile sand making equipment, screening equipment and construction waste treatment equipment series products, our company’s production site thousands of thousands, all over the provinces and cities. Over the years we have been consistent, honest service to every customer. We sincerely look forward to cooperating with you.




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