Nowadays, natural sand is running out by the huge demand. The natural sand resources formed by hundreds of thousands of years in many countries and regions are almost exhausted.
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As a result, natural sand costs are getting higher and higher and cannot meet the increasing market demand. in this case, the artificial sand came into being.
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Artificial sand, also called crushed sand or mechanical sand m sand, refers to rocks, mine tailings or industrial waste granules with a particle size of less than 4.75 mm. it is processed by mechanical crushing and sieving.
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In china, the artificial sand was mainly used in the construction of hydropower systems. for example, the three gorges project and the yellow river xiaolangdi project used artificial sand to prepare concrete. due to the remote environment of the hydropower project and the high quality of sand and gravel, the projects have taken the materials locally.
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Many indian states have decreed the use of crushed sand in infrastructure construction because of its high compressive strength and cohesion and the adverse environmental effects of river sand mining, which will greatly boost the demand for artificial sand.
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There are both natural and human factors in the increasing demand for artificial sand. the former is that the natural sand is about to run out, while human factors include peoples requirements for environmental protection and the need for high-quality concrete.
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With the development of infrastructure, the natural sand resources formed by hundreds of thousands of years in many countries and regions have been almost exhausted, which has affected the further development of construction projects.
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Driven by huge interests, natural sand has been indiscriminately mining, which changes the river course, affects the safety of river embankments, destroys the living environment of fish and contaminates the groundwater. the crushed stone sand is an important alternative resource to change this phenomenon.
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In the process of mining river sand, it often produces a large amount of tailings which is not used reasonably. especially in small mines, the tailings are piled up at random, occupying land and polluting the environment.
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Besides, in urban planning and construction, a large amount of construction waste is generated, which actually can be crushed by the crushers to produce the artificial sand and aggregates for promoting resource utilization.
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Stone production line. 2016-11-28. the sand and gravel production line is a special production line for producing sand for construction. it can make rocks, sandstones, river pebbles and other materials into various particle sizes that meet the requirements of construction sand.
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Quarry crusher equipment production line equipment used jaw crusher impact crusher and cone crusher artificial sand making machine the effect of artificial sand production mainly related to the selection of sand making machine and sand making process to get a good artificial sand read more crusher machine
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Nov 10 2014 artificial sand making machine constructional machines manufacturer supplier exporter india metal sand production line as follows silo vibrating feeder jaw crusher impact crusher vibrating screen finished product belt conveyor are used to convey the material
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In a complete artificial sand making plant there should be feeder primary crusher secondary crusher vibrating screen sand making machine belt conveyor and sand washing machine for hard raw material like granite to produce artificial sand we suggest jaw crusher as the primary crusher and cone crusher as the secondary crusher
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Vsi impact crusher vsi crusher also known as sand making machine is a perfect choice for making artificial sand from stone the sand made by vertical shaft impact crusher is of cubical shape with less powder which is ideal for all types of construction work concreting and plastering
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The sand plant produces artificial sand and industrial sand which replace the river sand. in this plant, it can divide into the sand making plant and sand washing plant. jxsc manufactured sand equipment manufacturersoffers crushing and screening equipment, such as vsi crushers, jaw, impact, cone, hammer crusher, vibrating screen, and sand making amp washing machine. stone crusher equipment is mainly to the primary crusher, and the sand making equipment is mainly to fine crushing.
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Rock materials are fed into the jaw crusher by vibrating feeder, then crushing by cone crusher, impact crusher, sand making machine. the crushed rock that reaches the standard after screened by a vibrating screen is transported to a sand washer, last, the final product is completed. another side, not up to the standard of materials carry back sand making equipment to the machine. the recovery line is accomplished. each piece of equipment to link together is use belt conveyor. all the quarry, aggregate, limestone, iron ore, pebble, granite, basalt belongs to rock materials.
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Artificial sand can be used to the building materials, highway, railway, concrete mixing plants.
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Customer feedback the sand production line is very flexible in adjustment, high production capacity, automation operation and easy in maintenance. in addition, the service cycle of accessories is long, the maintenance rate is low, the maintenance is convenient, the production time is saved and the production cost is effectively reduced.
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Jxsc machinery sand making production line was based on the actual needs of customers, adjust the structure of the production line, to produce a variety of high-quality crushed stone aggregate. with the professional design concept and reasonable production configuration, the three high coefficient is realized high production and quality coefficient, high automation coefficient,
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Raw materialmountain stone capacity12.5th feeder size150-230mm output sizestandard sand size for gypsum which uses in concrete construction and bricklaying.
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Raw materialstone capacity150tph customer mine countryphilippines output size0-3mm, 3-6mm
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Artificial sand can be produced in two ways, dry sand making, and wet sand making.
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Dry sand-making is not to use water to remove the mud powder in the artificial sand, but through the powder, concentrator to remove the mud powder. to reduce the content of mud powder in artificial sand, so as to get better sand, guarantee the quality and taste of manufactured sand. this method of sand production is suitable for areas far away from water sources, such as arid areas.
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According to the need, the screening equipment can be divided into a variety of finished aggregate proportions. part of the return to the sand making machine cycle crushing. finally, high-quality artificial sand is obtained by using a powder separator. adopts high-efficiency dust remover dust, low cost, and solves the problem of dust pollution in dry process sand making plant and the content of sandstone powder exceeding the standard. the recovered stone powder can be used to make bricks, etc.
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Along with the large number exploitation of natural quartz, marble and all kinds of natural stone mineral resources around the world dried up. artificial quartz due to its superior performance of building decoration wear-resisting, withstand voltage, high temperature resistant, corrosion resistance, prevent infiltration, no radioactive pollution and reusable environmental features is enjoyed by all over the world, artificial quartz stone market development prospects are very broad
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Artificial quartz stone production line is use quartz powder and all kinds of artificial quartz materials for mixing, vibration, pressure, vacuum molding,high temperature curing shapes etc. process machinery,eventually manufactured high quality artificial quartz stone slab of equipment combination the production line machine performance directly determines the final quality of the artificial quartz plate is good or bad
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Because of artificial quartz large market demand, a lot of stone factory began work on artificial quartz stone production line, but because they choose not to mature of production line, eventually produce unqualified artificial quartz products, and eventually lost the market.
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So what kind of artificial quartz is to produce high quality of the production line through many years of market research, we determine the artificial quartz must meet the following four conditions completely, even if one condition does not conform belongs to the false artificial quartz stone.
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Less than 7 toughness, easy to fracture more than 12 quartz stone slab deformation easily. we know that many manufacturers of resin content at about 15, so was false quartz.
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Low pressure forming or casting forming, compactness of quartz plate is not enough, have bubble, easily fracture, no fouling resistance. a lot of factory production line equipment is given priority to with low pressure forming, is far less than 2.5 gcm3 density, so was false quartz.
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