Gypsum is categorized into natural gypsum and desulfurization gypsum, a byproduct of industrial processes, and serves as a critical raw material in the building materials, cement, chemical, and agricultural sectors. The fineness, moisture content, and temperature of gypsum powder directly impact the quality of finished products such as gypsum board, cement retarders, and mold gypsum. Since gypsum is soft and prone to degradation when exposed to heat, grinding equipment must integrate three key capabilities: drying, temperature control, and fine grinding. SBM has deep expertise in the gypsum processing sector. Leveraging equipment such as the LM Vertical Mill and MTW European Mill, the company has developed comprehensive powder production solutions tailored for both natural gypsum and desulfurization gypsum.
The core process of gypsum grinding consists of raw material pretreatment, drying and grinding, classification, dust removal, and finished product collection. Desulfurization gypsum, in particular, has a relatively high moisture content, placing higher demands on the equipment’s drying capacity. SBM’s LM Vertical Mill is perfectly suited for this application. The equipment integrates drying, grinding, and classification into a single unit, capable of directly processing gypsum raw materials with a moisture content of up to 15%. It eliminates the need for an additional dryer, completing both drying and powder production in a single step. The equipment features controllable operating temperatures, preventing gypsum degradation due to high heat. The finished product fineness is adjustable from 80 to 400 mesh, with a wide range of hourly production capacities, making it the primary equipment for large-scale building materials enterprises and desulfurization gypsum comprehensive utilization projects at power plants.
For small and medium-sized building materials plants and putty powder processing plants processing natural gypsum, the MTW European mill is the preferred choice. The equipment operates at a reasonable rotational speed with low grinding temperatures, preserving the gypsum’s original properties. The high-efficiency cage-type classifier ensures uniform particle size, resulting in stable-quality building gypsum powder and putty powder. The equipment is simple to operate, requires minimal maintenance, and features moderate investment costs, making it suitable for routine production at small and medium scales.
For ultra-fine gypsum powder used in medical molds and high-end ceramics, the LUM Ultra-Fine Vertical Mill and SCM Ultra-Fine Micropowder Mill can process the final product to 325–2500 mesh. The resulting powder features excellent flowability and high purity, meeting the stringent standards of high-end products. For enterprises seeking intelligent and energy-efficient solutions, the MTW6X Intelligent European Mill or the PMD Permanent Magnet Direct-Drive Mill are available. The former features upgraded fan energy efficiency, while the latter offers zero transmission loss, delivering outstanding energy savings. Remote control capabilities also significantly reduce management costs.
All gypsum-specific production lines feature a negative-pressure sealed design paired with high-efficiency pulse dust collectors, ensuring dust emissions comply with national standards and operating noise remains low. SBM will adjust equipment parameters based on gypsum type, moisture content, and end-use, while also providing safety operation training to ensure long-term, stable production line operation. Today, Shibang’s gypsum grinding equipment has been successfully implemented in numerous desulfurization gypsum recycling projects and building materials gypsum production lines across the country.
If you have needs for gypsum grinding or desulfurization gypsum resource recovery, please leave a message to discuss your specific operating conditions, or contact us via Business Messenger to inquire about equipment models and complete solutions!
