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artificial sand making process in india

artificial sand - what is it and how to make it | fote machinery

artificial sand - what is it and how to make it | fote machinery

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.

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.

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.

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 people's requirements for environmental protection and the need for high-quality concrete.

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.

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.

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.

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.

With the rapid development of concrete technology, the comprehensive performance of high-performance concrete and high-strength structural concrete has higher requirements on the quality of aggregates, requiring it with stable quality, good gradation and shape, while less and less natural sand meets the requirements. Therefore, people are turning their focus on artificial sand.

Artificial sand and mixed sand are mainly used in building construction, municipal construction, transportation, and other projects whose concrete strength grade is below C60. When meeting the corresponding technical requirements, they can also be used for concrete projects such as ports and water conservancy.

The vibrating feeder feeds the stone evenly into the coarse crushing machines for the primary crushing of the stone. The crushed stone from the coarse crushing equipment is transported through the belt conveyor to the fine crushing machines for the secondary crushing.

The primary crushing equipment directly processes supplied materials from the stone material factory and is the foremost processing plant. The jaw crusher is the ideal choice for primary crushing.

The secondary crushing equipment is responsible for the middle and fine crushing in the stone crushing process. The secondary crushing equipment mainly includes impact crushers and cone crushers.

The crushed material is conveyed by the belt conveyor to the crushed sand making machine for fine crushing. The finely crushed material is then screened through the vibrating screen for coarse sand, medium sand, fine sand and other specifications.

VSI sand making machine is called high cost-effective sand making equipment with low initial investment cost and good use effect. It is high in operation efficiency with the PLST crushing cavity.

The HVI sand making machine manufactured by Fote is more advanced in technology. Its butt ends and lubrication scheme are modular in design, and the peripheral guard plate can be turned up and down to extend its life cycle. It has the effects of sand making and shaping at the same time.

For those with strict requirements on the powder content of sand, a sand washing machine can be installed behind the sand manufacturing machine, and the sewage discharged from the sand washing machine can be recycled by the fine sand recovery plant.

The following video shows clearly the difference between crushed sand and river sand from the aspects of source, wastage, setting time, shape, silt content and so on. It is worth collecting and sharing with friends.

The table below shows the mix ratio of M15 M55 and M55 M55 concrete designed for artificial sand and river sand. The results show that in the same Concrete Mix Design, the strength of concrete by artificial sand is higher.

As the demand for aggregates from China, Africa, Latin America, Europe,etc. will continue to rise, and the price of artificial sand will also increase, the outlook for the global aggregate market for sand and gravel is worth looking forward to.

According to the Global Sandstone Aggregate report, by 2020, the demand for aggregates of sand and gravel in the Asia-Pacific region will increase the fastest in the world, and the growth rate of India, Vietnam, Malaysia, Indonesia and other regions will be among the best.

Due to the economic transformation, the demand for sand and gravel aggregates in China will slow down. However, the report predicts that by 2020, China will still be the world's largest aggregate demander, accounting for almost half of the world's total aggregate.

The Global Sandstone Aggregate report shows that the reserves of natural sand are gradually decreasing globally, and in some developing countries where the demand for aggregates and sand is huge, illegal sand mining has happened frequently. According to the report, by 2020, the reserves of natural sand resources in some countries will be quickly depleted.

The depletion of natural sand resources will lead to a sharp increase in the price of aggregates and artificial sand, especially in areas where the demand for aggregates is huge. It can be seen that the profit margin of the artificial sand is very large.

The m sand manufacturing machine produced by the supplier Fote is suitable for m sand making production line of high hard and abrasion-resistant materials such as limestone, quartz stone, granite, river pebble, basalt, cement, various ores, glass raw materials, mechanism building stone, gold slag, etc.

The limestone, widely distributed in nature, is easy to obtain. It is the main raw material for manufacturing cement, lime and calcium carbide. After being processed, limestone is used in large quantities as building materials. Generally, simple processing process is through the limestone sand production line.

Quartz is a hard, wear-resistant, chemically stable silicate mineral mainly composed of silicon dioxide. It is an important industrial mineral raw material generally used in glass, building materials, ceramics, high-tech electronics industry, etc. after crushing and sand making.

The granite has the characteristics of hard texture, high strength, abrasion resistance and weathering resistance. It has the title of "The King of Rocks" and is a good building material. It is rich in resources with low mining costs but high product value. Granite is a popular choice when the product needs to be weather-resistant or durable.

The river pebble resources are rich with low collection costs and high application value. After making sand from river pebble, it is widely used in water conservancy and hydropower, expressways, high-speed railways, passenger dedicated lines, bridges, airport runways, municipal engineering and high-rise buildings in the engineering field.

Basalt is the best material used for repairing roads, railways and airport runways. With the characteristics of strong compressive resistance, low crushing value and strong corrosion-resistance, it is the best cornerstone for the development of railway transport and road transport.

As a professional manufacturer of mechanical sand production equipment, Fote Heavy Machinery has rich experience in the design of mechanical sand production equipment, a perfect service system and professional after-sales team.

As a leading mining machinery manufacturer and exporter in China, we are always here to provide you with high quality products and better services. Welcome to contact us through one of the following ways or visit our company and factories.

Based on the high quality and complete after-sales service, our products have been exported to more than 120 countries and regions. Fote Machinery has been the choice of more than 200,000 customers.

artificial sand making process, sand making and washing plant

artificial sand making process, sand making and washing plant

In the sand artificial making process(sand plant), the raw materials are evenly fed into the jaw crusher machine for primary crusher by the vibratory feeder. Then the crushing materials are conveyed to impact crusher and vsi sand making machine for secondary crushing(fine crusher). The belt conveyor transports the finally crushing materials to vibrating screen for separation. The require sand size product would be sent to the sand washing machine for clearance. Unrequested product will be returned to the sand making machine for repeated crushing until getting all required size. The process of artificial sand making is complete.

There are mainly three steps of crushing, washing and screening in the artificial sand making process. The crusher machines of crushing step may employ use jaw crusher, impact crusher, cone crushing, hammer crusher, sand maker. The artificial sand size different, the crushing equipment is different. The equipment of washing sand step is wheel sand washing machine or spiral sand washing machine. Spiral equipment washes much cleaner. Then the last step is to use sand screening machine for sand separation.

There are many materials that can make manufactured sand. For example, granite, basalt, river pebbles, pebbles, limestone, calcite, andesite, rhyolite, Diorite, diabase, sandstone, tailings, slag, quartz, etc. They vary in strength and grain size of artificial sands is because of the rock different. Exposition of the use of some rocks for making sand as follows.

Basalt The sand made of basalt mixed with concrete that can reduce the weight of concrete. And it is still very firm, also sound insulation and heat insulation. It is a good aggregate of lightweight concrete for high-rise buildings.

2. Operation and Maintenance. Standard operation and regular maintenance can improve the sand production rate of the sand machine. If not, the crushing equipment wears parts will wear speed up, and reduce equipment life. The rate of sand making machine lessens.

3. Quality Sand maker quality is good, not only energy-saving, environmental protection, and can easily achieve the expected output of equipment. JXSC who crushing machine manufacturers use new-high-wear-resistant materials and international more advanced production technology. Our equipment can meet the production requirements of customers. Provide a favorable guarantee for continuous, efficient and safe production

4. Project design. The design of the whole sand plant must rationalize. The production plant not only requires a reasonable production capacity of the sand making machine, but also requires that the handling capacity of the jaw crusher, the cone crusher and the belt conveyor match it. Otherwise, the final sand production rate will definitely fail.

Artificial sand is produced by reducing larger pieces of aggregate into sand-sized aggregate particles. Manufactured sand can be manufactured to be a certain grain size that the buyer chooses, while natural sand can be a mix of coarse and fine grains. Manufactured sand tends to be more angular and flaky due to the crushing process. Highly angular particles tend to increase the paste content of concrete because additional lubrication is required for particles with sharp corners. Supplies of artificial sand are limited only by the capacity of those making it, and where natural sand is in short supply or logistically difficult to obtain, artificial sand is a better solution.

Natural sand has an ideal shape for use as fine aggregate in concrete. The natural sand particles are well-round and are usually nearly spherical. Spherical particles decrease the percentage of voids within the concrete mixture so no additional paste require to fill these voids. Well-shaped natural sands are ideal for workability of mixtures. Natural sand does not require more water to enhance the workability of the mixture so the amount of bleed water in the concrete will not be increased.

Long ago, when the industry was undeveloped, the river sand was not strictly controlled and could be mined by everyone. The method of mining mainly depends on manual mining. When the water is shallow, the sand-picking tools like Dustpan are put on the bottom of the river, and the sand-passing boat is pulled up bit by bit by manual force. Shipped Ashore, hand-picked to the sands.

Now, it uses mechanically mined, using gravel pumps to suck the sand directly from the river, and then loaded into trucks or piled up in coastal sand fields. But because excessive mining which destroyed the ecological environment, now, many countries are strictly prohibited from Mining River Sand. Therefore, the Walkerpump gravel pump is hardly used for sand mining, but for dredging, gravel suction, dredging channels, mining, and metal smelting slag transportation.

Jiangxi Shicheng stone crusher manufacturer is a new and high-tech factory specialized in R&D and manufacturing crushing lines, beneficial equipment,sand-making machinery and grinding plants. Read More

how to start sand manufacturing business - process, licenses, machines

how to start sand manufacturing business - process, licenses, machines

Sand is an essential component in the construction industry. River sand is the natural source of the sand. Natural or River sand are weathered and worn out particles of rocks. These are of various grades or sizes. It depends upon the amount of wearing. The artificial sand produced by proper machines can be a better substitute for river sand.

The sand must be of proper gradation. When fine particles are in proper proportion, the sand will have fewer voids. The cement quantity required will be less. Such sand is more economical. Sand manufacturing is a profitable business. It demands substantial capital investment in Plant setup.

Manufactured sand is produced by passing boulders and stones. It goes through a series of jaw and cone crushers for size reduction. Artificial sand making has a bright future in the construction industry. The demand for artificial sand is increasing rapidly. Here are the few reasons why artificial sand making has a good market opportunity in India.

First of all, you have to procure the major required machines. The list includes vibrating feeder, jaw crusher, impact crusher and vibrating screen for sand making. However, only, sand manufactured by VSI crusher/Rotopactor is cubical and angular in shape. Sand made by other types of machines is flaky, which is troublesome in working.

The Jaw crushers are generally used for crushing stones into metal/aggregates. Manufactured sand from jaw crusher, cone crusher, roll crusher often contain a higher percentage of dust and have the flaky particle.

The manufacturing of the Sand process involves three stages. These are crushing of stones in to aggregates by VSI, then fed to Rotopactor to crush aggregates into the sand to required grain sizes (as fines). Then, do the screening to eliminate dust particles and Washing of sand eliminates very fine particles present within. Finally, the end product will satisfy all the requirements of IS:383. It can be used in Concrete & construction. However, the VSI Plants are available capacity up to 400Ton Per Hour (TPH).

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