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Slag grinding plant equipment selection and investment returns analysis

News Date:2017-09-14 14:46:27

 Suggestions for the equipment selection

slag vertical mill

CHAENG already has more than 100 customers currently, and almost 80% of them built  slag grinding plant with annual capacity of 1,000,000 tons, 600,000 tons, 300,000 tons. Below table has shown the three main equipment in aspects of model selection, energy consumption and so on.
 

Product Specificationsct GRMS 53.41 GRMS 46.41 GRMS 33.31
Annual production (tons) 1,000,000 600,000 300,000
Designed production (t/h) 150 90 45
Raw materials input amount (t/h) 188 125 65
Actual output (t/h) 160 105 55
Final products fineness (m2/Kg) 500 500 500
Power consumption (KWh/t) 26.5 28.5 30
System power consumption (KWh/t) 35 37 42
Coal consumption (equivaient to standard coal) (kg) 17 18 18
Metal recovery of per ton slag (%) 0.2-0.3 0.2-0.3 0.2-0.3

Slag grinding plant investment returns analysis

Take our 600,000 t/y GGBFS production line as an example, the total investment of this project is RMB 50 million. It was put into production on April, 2011, and within 2 years, all the investments on equipment has returned and now is getting pure benefits. The investment details list as below:
 

Project Indicator Practical operation
Start date Date of start running April 2011
Investment calculations Total inverstment 50 million
Cost calculation Raw material cost ¥70T
Production costs (including salaries, electricity, coal, and maintenance management fees, sales charges, and so on) ¥50
Profit calculation Market sales prices ¥160T
Tons of profits ¥40T
Annual profit 40 * 600,000 = 24 million
Economic benefits Within 2 years, all the investments returned (currently in a State of pure profit)
Slag powder quality Fineness 500 m²
7d Activity index About 100%
Activity index Pass GB S95

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