The new type of sand making machine equipment has small particle size, less dust, uniform particle size, large production capacity, long hammer life, small supporting power, three-level crushing, secondary crushing, simple structure, stable operation, convenient maintenance, etc. Features. This sand making machine investment is 50% lower than traditional craft equipment of the same scale, and the output efficiency is higher than 40% of the traditional scale sand making craft equipment of the same scale. (For example, river pebbles are used: once finished grain size ≤ 5mm accounts for more than 90%). In addition, the cost of long-term operation and maintenance of the third-generation sand-making machine is lower than that of traditional sand-making machines of the same scale, and is widely used in such industries as sand and gravel, cement, refractories, and metallurgy.
The center feed is accompanied by annular waterfall feeding: the material falls into the feed hopper of the sand making machine, falls through the annular hole, is divided into two pieces of material by the dividing plate, and one flings wheel that enters the high-speed rotation through the dividing plate, and the other The stock fell from the all-around tray. The material entering the rejection wheel is rapidly accelerated in the rejection wheel, its acceleration can reach several tens of times the acceleration of gravity, and then it is thrown from the rejection wheel at high speed, firstly impacted and broken by another part of the materials that fall freely around the distributor, and then Together impacted on the vortex lining of the vortex chamber, rebounded by the material lining, impacted obliquely upwards to the top of the vortex chamber, changed its direction of movement, deflected downward movement, and formed a continuous collision with the material ejected from the impeller runner to form a continuous Material screen. In this way, a piece of material received two or more chances of impact, friction and abrasive crushing in the vortex crushing chamber. The broken material is discharged from the lower discharge port.
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