350TPH Limestone Sand Making Line in Egypt
Egypt has abundant limestone resources and booming infrastructure construction, which has a huge demand for high-quality machine-made sand. A 350TPH limestone sand making line i
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Egypt has abundant limestone resources and booming infrastructure construction, which has a huge demand for high-quality machine-made sand. A 350TPH limestone sand making line in Egypt has been put into operation stably, using local limestone as raw material to produce high-quality machine-made sand, solving the problem of natural sand shortage.
### Project Overview
Project Location: Cairo, Egypt
Processing Material: Limestone (CaO content ≥52%, low mud content, Mohs hardness 3-4)
Production Capacity: 350TPH (daily output 8,400 tons, annual output 2.52 million tons)
Finished Products: 0-5mm machine-made sand (for commercial concrete, high-rise buildings and road construction)
Process Flow: Primary crushing → secondary shaping → screening → washing → drying
### Equipment Configuration & Process Advantages
The production line adopts a "primary crushing + secondary shaping + screening + washing + drying" process to ensure the quality of machine-made sand. Primary crushing uses a large jaw crusher to crush large limestone blocks (≤500mm) into ≤50mm particles. Secondary shaping uses an impact sand making machine, adopting the rock-on-rock crushing principle to make the finished product particle shape cubic and uniform.
The screening stage uses 4 sets of 2-layer vibrating screens to separate qualified machine-made sand and unqualified materials (return to shaping for reprocessing). The washing stage uses a spiral sand washing machine to remove dust and fine mud, ensuring the mud content of finished sand is ≤1%. The drying stage uses a rotary dryer to reduce the moisture content of machine-made sand to ≤5%, avoiding caking during storage and transportation.
The whole line is equipped with a fully enclosed workshop and pulse dust collectors, meeting Egypt's environmental protection standards. The intelligent control system realizes automatic operation and real-time monitoring, reducing labor costs by 60%.
### Operation Effect
Since commissioning, the production line has operated stably with a failure rate of ≤1.2%. The machine-made sand has stable quality, fineness modulus of 2.7-3.0, and compressive strength ≥30MPa, which fully meets Egypt's commercial concrete standard. The project has an annual output value of about 2.2 million US dollars, and the investment return cycle is 1.6 years.
For more limestone sand making project cases in the Middle East, visit https://www.smpcrusher.com.
Keywords: 350TPH limestone sand making line, Egypt sand plant, machine-made sand production, sand washing and drying, Middle East construction
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