What type of crusher is best for dolomite
Dolomite, a common mineral raw material, is a carbonate mineral with crystals belonging to the trigonal crystal system. It features a dense structure, strong water resistance, and high refractoriness. Many sand and gravel plants choose it as a raw material. After processing, it can be used in the construction materials, ceramics, refractory materials, and chemical industries. So, what type of crusher is best for dolomite?
The structure of dolomite is similar to that of calcite. It includes iron dolomite and manganese dolomite. Its crystal form is rhombohedral, with crystal faces often curved into a saddle shape. It typically occurs as massive or granular aggregates. It is brittle, with a Mohs hardness of 3.5–4 and a specific gravity of 2.8–2.9. Currently, there are many types of crushers available on the market. Based on their characteristics, we recommend selecting equipment such as jaw crushers, hammer crushers, impact crushers, sand-making machines, and Raymond mills. At the same time, factors such as production capacity requirements, particle size, and site conditions should be considered to make a reasonable choice.
(The technical parameters and other data mentioned in this article are subject to change as products are upgraded. Please click on the website customer service to obtain the latest equipment parameter sheet.)
01 Primary Crushing Stage
Jaw Crusher: Suitable for the primary crushing of large dolomite blocks. Operating on the principle of compression crushing, the equipment utilizes two jaw plates—a moving jaw and a stationary jaw—to form a crushing chamber, simulating the movement of an animal’s jaws to perform the operation. Through optimized motion parameters, the crushing ratio has been significantly improved. The wedge-type discharge opening adjustment design reduces manual labor and minimizes downtime, while improving the uniformity of the final product’s particle size, facilitating the secondary crushing process. Additionally, the integrated structure of the motor base and main unit simplifies installation and saves space.
Hammer Crusher: As a new-generation machine, this equipment relies on the impact force of hammers to crush materials, achieving a one-step processing goal that significantly shortens traditional production workflows. It can directly process dolomite with a feed size of up to 1,000 mm, producing standard aggregates such as 0.5, 1.2, and 1.3 mm. By changing the chamber type, it flexibly switches between coarse, medium, and fine crushing. The finished product contains no flaky or smooth particles; its multi-angular, multi-faceted shape enhances compressive strength while optimizing production efficiency and reducing operating costs.
02 Medium and Fine Crushing Stage
Impact Crusher: A machine that utilizes impact energy to crush materials, achieving fragmentation through repeated collisions between hammers and impact plates. The heavy-duty rotor design enhances rotational inertia, while the hammers are made of highly wear-resistant materials with excellent impact resistance, ensuring long-term stability in discharge particle size. The frame structure has been optimized to improve connection strength, reduce overall weight, and achieve a compact design, simplifying installation and maintenance while reducing transportation difficulties.
03 Sand Making Stage
Impact Sand Maker: A specialized fine crushing and sand-making machine that employs a combination of “stone-on-stone” and “stone-on-iron” technologies. It can directly process dolomite into sand meeting construction standards (0.25–0.5 mm). Improvements to the four-port impeller design and the impact angle within the crushing chamber increase material throughput and output. Equipped with a modular discharge head, only the worn parts need to be replaced. Additionally, the upper and lower peripheral liners can be flipped to extend service life. Combined with internal airflow recirculation in the vortex chamber, as well as a pulse dust collector and noise suppressor, it meets environmental protection requirements.
04 Powder Grinding Stage
Raymond Mill: Suitable for producing fine powder ranging from 80 to 360 mesh, it delivers high-quality, uniform results with precise grading and high sieve pass rates. Through updated and improved design, it features a compact, three-dimensional structure that reduces floor space and offers strong system integration, enabling a complete production system from raw material to finished powder. The fully automatic control system supports remote operation, while the main unit’s transmission system uses a sealed gearbox and pulleys to ensure smooth and reliable operation. The new pulse dust collector effectively reduces pollution.
As a manufacturer of OCP crushers, we have maintained 40 years of continuous innovation and development. We strictly control every stage—from raw material selection to production processes—to ensure equipment quality. For specific pricing on dolomite crushers, please consult our manager online to receive a quote and enjoy multiple discounts. Additionally, we provide one-stop services including configuration planning, free installation and commissioning, as well as post-sales maintenance and repair.
