Sand making machine equipment is one of the important equipment in sand making production line, and the amount of sand returned is an important technical parameter to measure the production of sand making machine. What will affect the sand returning quantity of the sand making machine? Let's give you a detailed introduction below.
The sand returning quantity of the sand making machine is mutually supportive and restrictive with the original ore feed volume of the crushing equipment and the overflow particle size. It can be said that if the sand returning volume of the sand making equipment increases suddenly beyond the specified amount, it will see that the output of the equipment will also change, resulting in the increase of the ore volume, or the change of the water volume, and the decrease of water volume will result in the overflow concentration too low. When the pulp concentration is constant, if the ore quantity of the sand making machine is increased, the rising velocity and horizontal velocity of the slurry will also increase, which will make the overflow particle size coarser. On the contrary, when the ore volume is reduced, the overflow grain size becomes fine, and the fine particle content in the return sand is increased. As a result, the quantity of sand feeding machine should be suitable, and uniform and stable should be maintained before the sand making process can be carried out normally, so as to improve the quality and output of sand making machine and obtain good sand making effect. The return to ore ratio is controlled between 300% and 500%, that is, the sand returning volume of the sand making machine is 3~5 times that of the original ore feed, and the effect is better. Practice has proved that when the total load is the same, the return sand ratio of the hard ore is larger than that of the soft ore. The new sand making machine has the advantages of simple structure, reliable operation and convenient operation. It is easy to form a closed cycle with a mill less than 3.2m in diameter, and the water content in the sand returning machine is low.
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