Jaw crushers used in primary crushing industry All SBM jaw crushers are of the single-toggle type with a deep, symmetrical crushing chamber and easy setting adjustment. Each model has a large feed opening for its size and an ideal nip angle, giving smooth material flow, high reduction efficiency and high capacity. Their simple design conceals many advanced features that give easy operation, simple maintenance, long life and a low cost per ton. Every SBM jaw crusher is a product of know-how and experience optimized by Finite Element Analysis (FEA). Each model is tested virtually for stress, strain, shock, deformation, thermal loading, vibration and noise under a wide range of load conditions. The result is exceptional reliability. What is difference between jaw crusher and gyratory crusher? Jaw crushers are primarily used for reducing various kinds of stones and lump materials into medium-grained gravel. The materials to be crushed can be hard, medium-hard and soft minerals whose compressive strength should be not more than 320 MPa. Our jaw crushers adopt V-shape inlet, resulting in higher crushing efficiency. Gyratory crushers are employed within the mining industry to interrupt and crush rock material. A gyratory crusher is the identical in basic concept to some jaw crusher, consisting of a concave surface and a conical head; both surfaces are typically lined with manganese steel surfaces. The inner cone has a slight circular movement, but doesn't rotate; the movement is generated by an eccentric arrangement. With the jaw crusher, material travels downward between the two surfaces being progressively crushed until it's sufficiently small to fall out with the gap between your two surfaces. ...read more

Graphite powder mining process: graphite --> coarse crushing --> secondary and fine crushing --> grinding --> classification --> fine grinding --> classification The graphite mining processing plant is complicated and need many graphite mining machineries, and double graphite process plant has saled to our all over the world such as South Africa, India, Austrilia, Indonesia,Philippines,Brazil,Kenya, Malaysia, Mauetc. Graphite grinding mill Double graphite grinding machine includes graphite ball mill, graphite vertical mill, graphite raymond mill, graphite trapezium mill, graphite high pressure grinding machine, graphite coarse powder grinding machine. Different machines selection depends on the selected ore hardness, final products size etc. The final grain size of double graphite grinding mill can be down to 2500 mesh.  Our technology managers can design special graphitegrinding plantswith professional grinding machine for our sincerely miners and clients. High pressure grinding machine produces thin powder and super thin powder. It is applicable to non-flammable and non-explosive materials with hardness less than 9, such as kaolin,calcite, dolomite,limestone,barite, alum earth ,variscite and other over 200 kinds of materials. Graphite benification plant Beneficiation production line plant is consisted of jaw crusher,cone crusher, classifier, magnetic separator, flotation machine, concentrator machine and drier. Also equipped with vibrating feeder, elevator and belt conveyor, these make up a full set of beneficiation production line. Double can provide graphite beneficiation plant, graphite grinding plant, dolomite beneficiation plant, manganese beneficiation plant, bentonite grinding plant, lead ore dressing plant, granite crushing plant, gold ore and silve beneficiation plant, coalcrushing plant, copper beneficiation plant, lead and zinc beneficiation plant, etc. ...read more

The crushing of limestone is an important part production link of burned limestone andcement production lines. The production line of SBM ensures a low proportion of powders and slice-shaped materials in the finished products(up to 70% of finished materials). The smart design can reduce waste, thus improving processing efficiency! Limestonecrushing equipment: The crushing and production line mainly includes the following equipements: jaw crusher(for primary crushing), limestone crusher, impact crusher(for fine crushing), impact crusher, vibrating feeder, vibrating screen, sand washer and belt conveyor. Technological process of limestonecrushingand production line: material storage bin are---vibrating feeder---jaw crusher---impact crusher---vibrating screen---finished material sand products Machines in the production line are connected by conveyors. In the first step, the vibrating feeder will send limestone materials evenly into the jaw crusher for primary crushing. Next, the produced coarse materials will be transferred to the impact crusher for secondary crushing. Then, the fine crushed materials will go to the vibrating screen where the screen will sieve particles by their size. Particles that fail to meet size requirement will be returned to the impact crusher for further crushing. Performance and features of the limestone crushing and production line: 1. The production line enjoys a high degree of automation. 2. The production line features great efficiency with low operation cost, high productivity and return. 3. The production line can change the size of produced material, featuring high crushing efficiency and energy conservancy. 4. The production line produces evenly and fine shaped particles that meet the national standard for high-speed feeding material. The production line will be deployed in accordance with our client's requirement in terms of material size, productivity and use. We offer the best pre-sale, sale and after-sale services, and We design the production line on the basis of the specific production site, bringing our clients the most reasonably deployed production line at the lowest cost. ...read more