Artificial Sand Machine
Now days, in construction of roads, buildings, dams, canals, etc., cement concrete plays an important role. Concrete is an artificial stone resulting from hardening of rationally chosen mixture of binding material, water and aggregate (Sand and crushed stone or gravel). The mixture of these materials, before it hardens, is called concrete mix. Particles of sand and crushed stone from a stone are carcass in concrete. Cement paste resulting from the interaction of concrete mix with water coating on the grains of sand and crushed stone, fills the voids between them, lubricates the aggregate and imparts mobility (fluidity) to the concrete mix. When the cement paste hardens, it binds the aggregate into an artificial stone or concrete.
High quality concrete mixture may be produced only with deep knowledge of all manufacturing procedures, a proper choice of quality constituents and their optimum ratio, suitable procedures for preparing concrete mixes, for placing, compacting and hardening them in order to obtain concrete structure of high quality, high strength, durability and low cost.
The proper sand with requisite fineness module can achieve the above requisite. The natural river sand is a cheapest resources of sand. Natural sand is weathered and worn out particles of rocks and is of various grades or of size. Depending on the account of wearing. But now a days these resources are erasing very fast. Due to dams constructed on every river the natural sand producing capacity reduce to a considerable extent. Due to fast development of the country the consumption of the sand is also increased.
Digging the sand, from riverbed in access quantity, is hazardous to environment. The deep pits dug in the riverbed, effects on ground water level. Erosion of the nearby land is also due excess sand lifting. Government has banned for lifting Sand from riverbed in many areas. The sand available and allowed to lift, is of inferior quality.
For this reason to fulfill the requirement of fine aggregate (Sand) some alternative material must be found. In foreign countries alternative to river sand is already in use. Fine cubical particles of stone below 4.75 mm are used, to replace the river sand. But as these particles have sharp edges and rough surface texture, its use in concrete requires some admixtures to increase the plasticity of the wet concrete and mortar. Such machine made sand contains flaky particles, which decreases the workability and requires more water cement ratio. The effect of more water in the concrete reduces its ultimate strength to a substantial amount. Increase in 1% water reduces the strength of the concrete by 5%.
To overcome these difficulties we have developed artificial machine made sand similar to river sand. The sand manufactured by our machine is having good surface texture and edges of the granules of the sand are rounded.
Artificial Sand is better substitute to natural river sand, and it is a need of time.
Artificial sand machine:
Artificial sand machine is a kind of crushing equipment used in artificial sand making plant which is used to produce manufactured sand.
Our is the major artificial sand machine manufacturer in China. We not only manufacture the common stone crushing machine, stone crushing plant, we also produce the artificial sand machine, artificial sand making plant. VSI crusher, VSI5X crusher and impact crusher is the major crushing machine manufactured by our to produce artificial sand.
Manufactured sand production line overview:
The sand production line consists by vibrating feeder, jaw crusher, sand making machine, vibrating screen and belt conveyor and other mining equipment. According to different process requirements, various types of mining equipment can be combined to meet the technological requirements of different customers.
Firstly, the stone was broken by primary crushing machine such as jaw crusher, impact crusher, then, the coarse sand grain was transported by belt conveyor to secondly crusher such as cone crusher for further crush. Then the broken small stone can be screened out the two major sands via vibrating screen, one kind can be transported to sand making machine, the other will be crushed again.
The small stone will be made into manufactured sand by sand making machine, after washing by sand washers（optional）, the final artificial sand was made.
Core equipment for manufactured sand production line is sand making machine such as vsi crusher, vsi5x crusher etc. There are three generations of sand making machine produced by our company and each generation has a superior performance and better economic benefits than its previous one.
The typical flow chart of artificial sand making plant is: Raw quarried stones -> vibrating feeder -> primary jaw crushing -> secondary impact crushing -> tertiary VSI crushing -> vibrating screen -> sand washing machine -> belt conveyor ->final stockpile.
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