The HCM Raymond mill is capable of grinding marble ore into fine powder ranging from 80 to 400 mesh. The models available for marble grinding include HC800, HC1000, HC1300, HCQ1500, HCQ1850, HCQ2000, HCQ2300, HCQ2600, and HC3000. What is the maximum output capacity of these models for marble grinding? What are some notable engineering applications?
Here is a successful case study of the HCM Raymond Mill marble grinding project.
1.A case study of HCM mill manufacturer's 325-mesh marble powder production project for the building materials industry.
1-1.Grinding Mill Selection: This project utilizes the HC series 1900 Raymond mill (HC1900 model), featuring 5 grinding rollers and a 1900mm nominal diameter grinding ring. It is capable of processing non-metallic ores and slag with hardness below 7 and moisture content below 6%, with a maximum feed particle size of ≤40mm. The product particle size ranges from 80 to 400 mesh, and the production capacity ranges from 10 to 35 tons per hour. The total power consumption of the mill is approximately 597KW.
1-2.Technical specifications for marble powder in the building materials industry:
HC1900 Raymond Mill for marble ore grinding. The client requires a 325-mesh fineness of the marble ore powder with an 8t/h production capacity. This project's marble ore powder is used in the construction materials industry for manufacturing waterproof coatings, putty powder, and gypsum products. Technical specifications for the marble ore powder are as follows:
The whiteness must be ≥85% (ISO standard); if below this standard, it will affect the appearance and color of the finished product.
The calcium carbonate content must be ≥96%. If the purity is below this standard, it may result in reduced strength and color variation of the final product.
The fineness (325-mesh pass rate) must be ≥98%. Insufficient pass rate may result in a granular texture, compromising the smoothness of the formed product.
The moisture content of finished marble powder should be ≤0.5%, otherwise it may cause voids and cracks in building materials.
Acid-resistant and stable in weakly acidic environments, it must meet acid rain resistance requirements when used in outdoor building materials.
The marble powder has a Mohs hardness of 3-4, which prevents scratches on processing equipment while ensuring wear resistance of the finished product.
2.A Case Study of HCM Pulverizer in the 325-mesh Marble Powder Production Project for the Plastic Industry
2-1.Grinding Mill Selection: This project utilizes the HC series 1500 Raymond mill, featuring 4 grinding rolls and a mill ring with a nominal diameter of 1500mm. It is capable of processing non-metallic ores and slag with a Mohs hardness below 7 and moisture content under 6%, with a maximum feed particle size of ≤30mm. The product particle size ranges from 80 to 400 mesh, with a production capacity of 6-13t/h and a total power consumption of approximately 286KW.
2-2.Technical specifications for marble powder in the plastics industry:
This project produces 325-mesh marble mineral powder using materials such as terrestrial PVC pipes and profiles, PE film, PP injection-molded parts, and plastic masterbatches (5%-30% filler content). The detailed technical specifications are as follows:
The whiteness of marble powder must be ≥88%, and ≥92% when used for white or light-colored plastics.
The calcium carbonate content must be ≥97%. Impurities such as iron or magnesium may compromise the plastic's aging resistance.
The oil absorption value is 25-35g/100g. If it is too high, the amount of plasticizer will be increased and the production cost will be increased.
For activated powder with 95% activation (modified powder), unmodified powder requires surface treatment to ensure compatibility with plastics.
Particle size distribution: D50=45 μm ± 5 μm. Particle size uniformity affects the mechanical properties of plastics (tensile/impact strength).
Heavy metal content must comply with RoHS standards, and when used in food packaging plastics, it must also meet FDA requirements.
3.Market Demand for Marble Powder: Marble powder has extensive applications, with its market demand steadily increasing. By 2025, global consumption of marble powder (including heavy calcium carbonate powder) is projected to exceed 120 million tons, with industrial-grade (325 mesh and above) accounting for approximately 65%. The Asia-Pacific region is expected to contribute 45%-50% of global demand, while North America and Europe will account for 20%-25% and 15%-20%, respectively. The global marble powder demand is projected to grow at a compound annual growth rate (CAGR) of 4.5%-5.0% in 2025, primarily driven by industries such as construction, plastics, papermaking, and coatings. Additionally, the EU REACH and U.S. EPA regulations promoting low-VOC and biodegradable fillers have increased demand for surface-modified powders (stearic acid, coupling agents), with modified powders having an activation degree ≥95% commanding a premium of 10%-15%. The proportion of recycled industrial solid waste (e.g., stone processing waste) in marble powder production is expected to rise, reaching 35% in Europe by 2025.
With the rising demand for marble ore powder, the need for marble grinding machines is also increasing. HCM's HC large Raymond mill and HLM vertical mill can produce 80-400 mesh marble ore powder, while the HLMX ultra-fine vertical mill and HCM ring roller mill can manufacture ultra-fine marble ore powder ranging from 325 to 3000 mesh. HCM grinding machines can customize particle size according to industry requirements, allowing a single machine to produce multiple grades of fine ore powder. These machines feature high output, precise classification, and shock-absorbing bushings made of specialized rubber and wear-resistant materials for excellent vibration control and long service life. Equipped with offline pulse cleaning systems or residual air pulse cleaning systems, they deliver strong dust removal performance, making them eco-friendly grinding equipment. HCM grinding machines meet international advanced standards, replacing expensive imported models and meeting the needs of large-scale, intelligent, and intensive industrial powder production. For inquiries about HCM grinding machine pricing, technical specifications, shipping procedures, and after-sales services, please contact us for consultation. contacts：Engineer Yao，e-mail:[email protected], Wechat：18878317068
