Shanghai Dingbo Machinery Co.

Limestone grinder is designed by our own engineers and technical workers, basing on industrial mill research of many years and adopting world-leading-powder processing technology. Our machine adopts many advantages from numbers of mill all over the world, such as trapezium’s working surface, flexible connection, roll linked pressure boost, etc. Limestone grinder has overcome the traditional mill’s defect completely in application, capacity, fineness, energy consumption, service life, etc. And it is the ideal substitute of the traditional mill, such as raymond mill, high pressure suspension mill, ball mill, etc. 3-22t/h capacity limestone grinder best feature: 1. The mining processing grinder is featured by vertical structure, small floor area, and strong system. It is an independent production system from the primary process of raw materials to powder making and packaging. 2. The screening rate is up to 99% compared to other mills. 3. The transmission of the machine adopts confined gear box and pulley which guarantees stable transmission and reliable operation. 4. The key parts are all made of high-quality casting and section bars with exquisite craftwork which guarantees the duration of the whole equipment. 5. The electrical system uses centralized control with advanced and reasonable selection and high automatization. 3-22t/h capacity limestone grinder parameters: Name Mtm100 Mtm130 Mtm160 Ring roll number(pcs) 4 5 6 Major diameter of roller(mm) F310x170 F410x210 F440x270 Inner diameter of roller(mm) F950x170 F1280x210 F1600x270 Revolving speed(rmin) 130 103 82 Max feed size(mm)

The crusher consist of frame, transmission device, hollow eccentric shaft, bowl-shaped bearing, crushing cone, springs and hydraulic pressure station for adjusting discharge opening.During operation, the motor drives the eccentric shaft shell to turn around through ahorizontal axle and a pair of bevel gear. The axle of crushing cone swings with the force of eccentric shaft shell so that the surface of the crushing wall is close to the roll mortar wall from time to time. In this way, the ores and rocks will be pressed and crooked and crushed.PY series spring cone crusher is widely used for secondary and fine crushing in the fields of mining,building materials, metallurgies and so on. The PY series high-efficient cone crusher can crush materials with middle and high hardness, such as, metal ore, basalt, granite, limestone, cobblestone, sandstone and so on. 2.Features of Spring Cone Crusher: 1.Spring cone crusher has the advantages of reliable construction, high productivity, easy adjustment and less cost in operation. 2.The spring cone crusher release system of cuusher actsan overload protection system that allows tramp to pass through the crushing chamber without any damage 3.The cone crusher use two kinds of sealed formation: dry oil and water which can make plaster stone and engine oil seprated and assure reliable performance 4.The tcone crushing chamber depends on the size of deed and fineness of the crushed product. gyratory cone crusher price in india Technical Parameter: Type Diam-eter of crush-ing cone(mm) Max. feeding size(mm) Width of discharge opening(mm) Processing capacity(t/h) Motor power(kw) Swing frequ-ency of main shaft(r/min) Weight(t) Dimensions(L*W*H) (mm) PYB 600 600 65 12-25 40 30 356 5 2234×1370×1675 PYD 35 3-13 12-13 5.5 2234×1370×1675 PYB 900 900 115 15-50 50-90 55 333 11.2 2692×1640×2350 PYZ 60 5-20 20-65 11.2 2692×1640×2350 PYD 50 3-13 15-50 11.3 2692×1640×2350 PYB 1200 1200 145 20-50 110-168 110 300 24.7 2790×1878×2844 PYZ 100 8-25 42-135 25 2790×1878×2844 PYD 50 3-15 18-105 25.3 2790×1878×2844 PYB 1750 1750 215 25-50 280-480 160 245 50.3 3910×2894×3809 PYZ 185 10-30 115-320 50.3 3910×2894×3809 PYD 85 5-13 75-230 50.2 3910×2894×3809 PYB 2200 2200 300 30-60 59-1000 280-260 220 80 4622×3302×4470 PYZ 230 10-30 200-580 80 4622×3302×4470 PYD 100 5-15 120-340 81.4 4622×3302×4470 Any change of technical data shall not be advised additionally.

Model Specification(mm) Feed opening(mm) Max feeding size(mm) Capacity(t/h) Model of motor Power(kw) Weight(t) Overall dimension(mm) Pf-1007 F1000*700 400*730 250 15-60 Y250m-6 37 9.5 1800*1600*1800 Pf-1010 F1000*1050 400*1080 300 50-90 Y315s-6 75 14 2340*2007*2500 Pf-1210 F1250*1050 400*1080 300 70-130 Y315l1-6 110 17 2582*2053*2809 Pf-1214 F1250*1400 400*1430 300 90-180 Y315l2-6 132 22 2582*2403*2809 Pf-1315 F1320*1500 860*1520 350 120-250 Y2-355m2-6 200 26 2930*2761*3053 When stone entering the stone impact crusher, materials are continuously thrown to the impact device above the rotor by the high-speed rotating blow bar. Then they are rebounded from the impact plate to the working area of the blow bar, and are impacted again. The materials from large to small are to be crushed by the first and second impact rack repeatedly. The process won’t stop until the materials are crushed to the required size and then discharged from the outlet. Adjusting the distance between the impact rack and the rotor frame can change the shape and size of the final product.

Coarse Grinding Mill widely used in metallurgy, mining, chemical, cement coal ,dry stone, construction, sand, refractories  and  ceramin  industrial  and  mining  enterprises,  engaged  in  breaking  and  crushing  the  material  in  the  operation.  It  is  mainly  suitable  for  crushing  compression  strength  not  higher  than  320MPa  of  various  soft  and  hard  ore. Features:1.the production capacity, high crushing ratio; 2.low power consumption, uniform particle size; 3.mechanical structure is simple, compact and lightweight; 4.low investment costs, management, and convenient. Working Principle:the Coarse Grinding Mill casing, rotor, bearing the hammer and the grate bars and other components. Upper and lower case in two parts, welded together by a steel plate after cutting, the remaining parts bolted into one. Set with high manganese steel liner inside the case, to facilitate replacement of worn; its array of rules installed on the spindle distribution of the hammer, hammer and rotary table and through the rotor shaft formed. Host through the motor, V-belt driven spindle, so that the rotor rotates, hammer by the centrifugal force generated by rotation around the stretch to, bulk materials from the feed inlet into the crushing chamber, the high-speed movement of the hammer will be crushed. Broken by passing the material under. Specification: Model PC4008-75 PC4012-90 PC4015-132 Rotor diameter /mm 750 900 1150 Rotor length/ mm 800 1200 1500 Rotor speed  r/min 800-1000 800-1000 550-800 Feed head size/mm 320×930 400×1200 500×1500 Max feed size/mm

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