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Advantages and disadvantages of ball mill equipment in grinding process

2020-11-18 09:37:51
Times

Ball mill is the main equipment for grinding materials after crushing. It is commonly used in grinding various ores and other materials, and is widely used in mineral mining, cement, building materials and chemical industries. It is generally suitable for dry grinding and wet grinding of various ores.


So, what are the advantages and disadvantages of the ball mill in the grinding process?


Relative to the advantages, the ball mill equipment includes:


1. Good crushing effect, large crushing ratio and easy adjustment of product fineness, meeting the production needs, strong mill structure and reliable operation.


2. It has good sealing and can operate under negative pressure. Prevent dust, reduce unnecessary waste and impact on the environment. Ball mill equipment will be easier to manage and maintain, and can run continuously for a long time.


3. Sand making machine, jaw crusher and other sand making equipment are highly adaptable to materials, so that they can meet the needs of large-scale industrial production.


4. Ball mill equipment can be used for wet grinding and dry grinding operation, and it can be used for drying, grinding, mixing and other operations at one time.


On the other hand, ball mill equipment also has the following disadvantages:


1. Ball mill equipment has low efficiency and high power consumption. The effective power only accounts for 2% of the total power consumption, which is a huge waste.


2. Due to the huge size of ball mill equipment, such as some large floating crushers or separators, rotary kiln and mineral processing equipment weighing hundreds of tons, it needs a large scale of one-time investment. Moreover, due to the lower cylinder speed (15-25 RPM), you need to configure an expensive reducer compared with ordinary motors. This is undoubtedly another investment.


3. High production cost. In the operation of ball mill, the grinding media such as steel ball, cylinder and other vulnerable parts of the mill are exposed to grinding and impact, and they are abraded and peeled under the action of abrasive materials. Therefore, in the crushing operation, the consumption of these parts will be more, resulting in relatively high use costs.


4. The noise of ball mill is big and the working environment is noisy.


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