Issues Should Be Considered in Operation of Jaw Crusher
Posted Nov 29 2012 3:08am
In the technology, economy, and maintenance of the crushing operation of the jaw crusher, you must carefully consider the following problems. First, the multi-segment operation is required in the crushing plant. The last crushing process and the screen is often closed in order to remove the coarse particles of the products. However, the first segment of the operations in the circuit will not lead to the high energy for the design of the crushing plant. Second, when you choose the type and the size of the jaw crusher, the most important is to ensure the feeding particle size at any segment can smoothly enter the jaw crusher for crushing. You should also choose the jaw crusher according to the production capacity. Third, when the products are discharged from one side of the discharging port, the infrastructure investment for every ton of the products will not reduce due to the increase of the size of the jaw crusher. These facts are enough to emphasis the importance of the production capacity and the expected feeding particle size. Forth, for a specific jaw crusher, the compliance relationship between the drag power and the feeding rate is approximately linear. In addition, when the feeding rate increases, the drag power is close to the power with greater consumption. However, the relationship is determined by the particle distribution of the feeding ores and the particle distribution of the products. For a given drag power, the coarse feeding particle and the fine particle of the products will lead to the reduction of the production yield. When the crushing ratio is very large, it is favorable for the multi-stage crushing compared with the single-segment crushing. Fifth, in the feeding process of the jaw crusher, a lot of fine particles make the production rate of the coarse materials for processing reduce. Sixth, for the best performance, continuously and stably feeding materials into the jaw crusher is very important. Therefore, the production capacity of the primary jaw crusher must be larger than the average production rate of the other devices in the crushing plant.
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