Taking granite as an example we would like to introduce 6 aspects of site planning process design and equipment allocation of a machine made sand production line with an annual output of 3 million tons 1 Raw material of artificial sand There are many types suitable raw materials for processing artificial sand
·In recent years technological advancements have revolutionized the granite processing industry enabling faster production rates improved precision and enhanced product customization Innovations like CNC machinery waterjet cutting and digital templating have streamlined operations while expanding design possibilities
An English bricklayer made the first portland cement early in the 19th century by burning powdered limestone and clay on his kitchen stove With this crude method Joseph Aspdin of Leeds laid the foundation for an industry that annually processes literally mountains of limestone clay cement rock and other materials into a powder so fine it
Granite is one of the most widely applicable stones in the machine made sand market The vsi sand equipment is used to process the finely crushed granite stones again which can make the sand particle size uniform and the stone powder content less AIMIX has two series of sand making machines namely APV and APV X
·The equipment of the machine made sand production line mainly includes crushers sand making machines vibrating feeders vibrating screens or drum screens sand washing machines fine sand recovery machines
·The output of common limestone crushing sand making production line is 100 200t/h 200 400t/h 200 500t/h machine made sand stone powder and fine stone powder If there is grinding equipment it is recommended to mine the surface rock first and apply its dust to wall coating before normal production which can fully reduce the mud
Sand casting is one of the oldest and most widely used methods of metal casting dating back to around and even before 10 000 BC The process employs sand for the main mold material as this material can be shaped and compacted to form a variety of complex and large cavities for molten metal that will eventually be turned into metal castings for a host
·The production process of artificial sand includes stone → coarse crushing → medium crushing → sand making → screening → dust removal → artificial sand That is the sand making process is that big stones are crushed coarsely by the jaw crusher and sent to the impact crusher or the cone crusher for further crushing and then the
·Comparison of artificial sand and natural sand Compared with natural sand artificial sand has more advantages 1 Quality advantages The source of sand resources is stable; mechanized production mode ensures an adjustable and controllable quality ; 2 Grade advantages artificial sand has high surface energy and hydrophilicity; it
·Due to the wet production of rod grinding machine made sand part of the stone powder is taken away by water during the production process and the powder content of the final finished sand can only be controlled within 6% 12% generally which is undoubtedly suitable for the project with normal concrete as the main project
·Taking the adult period of manufactured sand MSC as the end point the flow chart of manufactured sand production was drawn As shown in Fig 1 the whole sand production process is an open circuit production process but a small closed loop process is selected in the fine crushing process of crushed stone On the one hand it reduces
·In order to carry out research on the performance of machine made sand concrete with stone powder content the cement from Qijianshang Concrete Station in Gansu Province was used in the
·LZZG Sand Making Plant Sand making plant is a special production line for producing sand and aggregate materials for construction In the sand making plant natural rocks sandstones river pebbles and other materials can be processed into artificial sand that meets the requirements of building sand so as to replace the natural river sand
·The stone powder of machine made sand is a finely ground rock powder smaller than which cannot react with cement hydration but it has excellent connection with cement crystalline stone and plays a micro aggregate filling effect in the internal layout the process of the entire production line is basically water free mainly
·The sand production line is a special device used to produce construction sand and stones and it can save as much as 50% of the energy compared with the traditional sand makers They are more suitable for the construction than the natural sand and machine made sand produced by the ordinary hammer sand maker and it can
3 ·The project adopts a combined process of machine made sand winnowing water washing fine sand collection and dehydration to ensure that the stone powder mica and mud content in the machine made sand are controlled within a qualified range
So far Aimix has done stone crushing business for more than 30 years And it can supply customers from all over the world with the following equipment jaw crusher impact crusher cone crusher gravel crusher sand making production line sand making machine mobile crushing plant vibrating screen and so on
·The machine made sand production line is composed of vibrating feeder jaw crusher sand making machine vibrating screen and conveyor According to different process requirements various types of equipment are combined to meet the different process requirements of customers
linear relationship between the MB value of machine made sand and the stone powder content It can be seen from Table 2 5 that the selected machine made sand has high calcium oxide content all exceeding 40% and the highest content is % The silica content is the second indicating that the machine made sand is a calcium oxide rock
·The machine made sand production line mainly includes a series of production links such as crushing sand making screening and sand equipment used include vibrating feeder jaw crusher cone crusher impact crusher vibrating screen sand making machine and sand washing machine made
·Stone sand making machine 1 Professional sand making equipment VSI sand making machine VSI sand making machine is a professional sand making equipment with many advantages such as good sand making effect high output and stable operation It has a high market share and saves 50% of energy compared to traditional
·Sand production occurs when the stress on the formation exceeds the formation strength and result in rock failure Rock failure happens due to tectonic activities overburden pressure pore pressure stress induced during drilling and also producing fluid drag force [2] Factors which are affected formation tendency to produce sand can be
·The semi dry production process generally refers to the pre wet and post dry production process that is the pre screening adopts the wet process to produce and control the moisture content of the discharge and some of the particles of 5 to 40 mm are dehydrated and used as the sand making raw material and the sand crushing machine
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