How To Control Sand Fineness Of Sand Crusher Production Line FlexiblyLast Update:2020-05-06 07:19:25
With the rapid development of the construction industry, the requirements of the industry for building materials are higher and higher, and the application proportion of mechanism sand in the construction gradually exceeds that of natural sand. In order to meet the increasing market demand, many large-scale project construction teams and building materials suppliers have to adopt sand and stone crushing production line to improve the quality and production efficiency of construction sand and stone.
Why use a production line? We know that natural sand is a kind of non renewable resource. It is not only inconvenient to mine, but also requires various processing equipment. If we use it a little, it will be less. Therefore, in the current building materials market, the supply of natural sand is falling, while the price is rising. On the other hand, the quality of natural sand is not as high as that of mechanism sand. The machine-made sand is produced by a series of crushing processes by the sand crusher, with stable supply source, optional raw materials and adjustable fineness. It is more important that the materials can be screened by vibrating screen, and the sand particle size is uniform and the grading is complete. Mechanical sand has these advantages, so what method can be used to flexibly control the fineness of sand and stone on the production line?
Crushing ratio is the ratio of the particle size of the imported material and the crushed finished material. The larger the ratio, the larger the crushing ratio, and vice versa. Of course, a large crushing ratio means that the content of needle and flake in the finished sand is increased. Moreover, this law is not only applicable to jaw crusher, but also to cone crusher, which has nothing to do with the crusher type. However, if the crushing ratio is too small, the output of the whole system will be reduced, the internal circulation will increase, the wear of crusher will increase, resulting in poor economy and low production efficiency. Therefore, in the whole production process, it is very important to choose the appropriate crushing ratio.
Before the material enters the beginning of the production line, ensure that the feed particle size is within the bearing range of the production line. Avoid overload operation of crusher, and adjust the size of discharge port under normal load of crusher to control the size of sand raw materials. According to statistics, when the feed particle size is reduced from 100 mm to 50 mm, the content of needle and flake in the finished product decreases by 38%.
In the secondary crushing process, circulation is divided into circulation and closed-circuit circulation. The former is called first screening and then crushing, and the latter is called first crushing and then screening. Screening before crushing refers to crushing the materials after primary crushing, screening the finished products first, and then entering the secondary crushing inlet for crushing, so that the output of the finished products increases, and the content of needle and flake also increases; crushing before screening refers to entering the primary crushing materials into the secondary crusher inlet for re breaking and then entering the finished products for screening. The whole system is a closed system, without Broken material loss, cycle load is large, but the product shape is good.
Sand production line is a special equipment for producing sand and stone for construction. The sand production line produced by Shanghai Shibang has the advantages of high automation, low operation cost, large output, less pollution, high efficiency and energy saving, which is 50% more energy-saving than the traditional sand machine. The manufactured sand conforms to the national construction sand standard, with uniform and reasonable grain size. If you are interested in sand and stone production line design, sand and stone crusher quotation and other issues, please visit the official website of Shibang to learn more.
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