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Comparison between Raymond Mill, Vertical Mill and Ball MillPosted: 2020-06-30

  • The comparison between Raymond mill and vertical mill, and the difference between Raymond mill and ball mill are the issues that the mineral powder equipment purchasers, powder company owners and powder industry experts pay more attention to. Owners of powder companies, individuals with mine mining and deep processing, are difficult to decide when purchasing machinery because they do not know much about machinery. The following is a summary of the comparison between Raymond mill and vertical mill, and the difference between Raymond mill and ball mill from the three aspects of equipment energy consumption, investment cost and milling efficiency.

    Raymond mill


    Raymond mill is also called Raymond mill. It has stable performance, high cost performance and strong adaptability. It is suitable for the preparation of various mineral powders and coal powders, such as fine powder processing of raw materials, gypsum, coal and other materials. The structure is characterized by the three-dimensional structure, the fineness of the finished powder is uniform, the important parts are all made of high-quality steel, and the electrical system is centralized controlled.
    Raymond mill

    Vertical mill


    Vertical mill is an ideal equipment for the milling industry that integrates crushing, drying, grinding, and grading transportation. It can be widely used in industries such as cement, electric power, metallurgy, chemical industry, non-metallic ore, etc. It is used to grind blocky, granular and powdery raw materials into required powdery materials. After the optimized operation of the vertical mill, its characteristics are more prominent, with high milling efficiency, low operating cost, strong drying capacity, and stable product quality.
    Vertical mill
     

    Ball mill


    The ball mill is the key equipment for crushing materials after being crushed. It is widely used in production industries such as cement, silicate products, new building materials, refractory materials, fertilizers, ferrous and non-ferrous metal beneficiation, and glass ceramics. It can be used for dry or wet grinding of various ores and other grindable materials. It is characterized by simple structure, smooth operation and reliable work.
    ball mill
     

    Comparison between vertical mill and ball mill


    Due to the structure and operation principle of the ball mill, under the same power situation, the ball mill has lower grinding efficiency and higher energy consumption than the vertical mill, and the power consumption of the vertical mill is only 50%-60% of the ball mill.

    Because the vertical mill will generate a lot of heat during the grinding of the materials, these heat will play a certain drying effect, so the material moisture content of the vertical mill can be 10%, even more than 6% of the Raymond machine. The drying of the material by the ball mill requires an external heating device to pass the hot air to dry the material, which not only increases the cost, but also increases the energy consumption.

    The vertical mill uses a hydraulic cylinder to increase the grinding force, and the grinding force is greater. Therefore, the particle size of the grinding material can reach 5% of the diameter of the grinding roller, so the large and medium-sized vertical mill can save secondary crushing.

    The residence time of the material in the vertical mill is 2-3 minutes, and the ball mill needs 15-20 minutes, so the chemical composition of the product can be quickly corrected by the measurement when grinding the material with the vertical mill, so the product composition fluctuation is small, which is beneficial to Homogenization. The vertical mill relies on gas to transport materials. Qualified products can be separated in time to avoid over-grinding. The products are all in favor of calcination, so vertical mill control is more convenient.

    Due to the simple process, the vertical mill is integrated with five processes: concentrated grinding, drying, grinding, powder selection, and conveying. The process is simple, the layout is compact, the construction area is small, and the area is about 50%-70% of the ball mill system. The occupied space is small, and the building space is 50%-60% of the ball mill.

    Because the grinding roller and the grinding disc liner do not directly contact during the work of the vertical mill, there is no metal noise in the ball mill where the steel balls collide with each other and the steel balls strike the liner, so the noise is naturally much smaller.

    The comparison between Raymond mill and vertical mill The difference between Raymond mill and ball mill


    The comparison between Raymond mill and vertical mill, the difference between Raymond mill and ball mill is mainly from the power consumption

    1. Comparison of power consumption

    Depending on the abrasiveness of the raw materials and the particle size of the product, the ball mill consumes 3 to 4 times more energy than the Raymond mill. The ball mill also consumes about 30% more energy than the vertical mill, but the fine powder of the Raymond mill and the vertical mill. The content is lower than the ball mill.

    2. Cost comparison

    The initial construction cost, running cost and maintenance cost of Raymond Mill are about 40% of the ball mill and 30-40% of the vertical mill.

    3. In terms of ground materials

    Ball mills and vertical mills grinding materials with a humidity of less than 10% must be equipped with drying equipment, and Raymond mill can directly grind such materials without the need for supporting drying equipment, so it also saves a lot of money in supporting equipment .

    4. Output comparison

    If different models are used, the output of Raymond Mill can be the same as that of vertical mill and ball mill.

    5. Comparison of grinding efficiency

    Vertical mill and Raymond mill use the new technology of grinding roller device to grind materials, and the machine body is upright structure. The ball mill uses the ball collision friction method, so the grinding efficiency of the ball mill is low.


    The comparison between Raymond mill and vertical mill, the difference between Raymond mill and ball mill have their own advantages. Purchasing personnel and technical personnel of powder enterprises should select their models based on their own investment strength, powder fineness (specific surface area) requirements, production capacity requirements, plant construction land, environmental protection audit, equipment after-sales maintenance technology and services, and investment return cycle.

    Mine equipment manufacturer Shanghai Clirik Machinery Co., Ltd. has been specialized in the production of mineral milling machinery for 20 years. It has a high degree of professionalism. While learning foreign milling technology, it continuously carries out technological innovation, transformation and upgrading, and integrates with customers. Demand, not only can provide a configuration solution for the complete equipment of the milling project, but also can carry out turnkey EPC project including environmental protection assistance audit, plant construction and other turnkey projects. If you don't know how to choose your milling project, the comparison between Raymond mill and vertical mill, and the difference between Raymond mill and ball mill, please call us for more details. WhatsApp: +86-13917147829
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