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dam ring cement mill

wear solutions for air flow & dam rings in cement plants | welding alloys

wear solutions for air flow & dam rings in cement plants | welding alloys

Original parts supplied in a vertical mill do not have a long lifetime and have to be replaced, particularly once a wear pattern has been established as these parts will quickly deteriorate, leading to leakages through the mill body. To provide a solution for this, Welding Alloys has developed a special range ofwear platescalled Hardplatethat can endure the working temperature and aggressive environment within the vertical mill. These wear plates can be supplied fabricated ready to fit, or as standard plates to protect the internal lining of the vertical mill.

Welding Alloysjoining wires, used for on-site installations, are designed to achieve the best results. These wires eliminate the normal weak points at intersections and joints, therefore the join will not wear before the plates.

Recently, Welding Alloys was approached by a customer operating in the rail industry, working specifically on the repair and maintenance of rails. The customer was having difficulty hardfacing the crossings and as a result, the weld detached from the base material.

review on vertical roller mill in cement industry & its performance parameters - sciencedirect

review on vertical roller mill in cement industry & its performance parameters - sciencedirect

India is the world's second largest producer of cement and produces more than 8 per cent of global capacity. Due to the rapidly growing demand in various sectors such as defense, housing, commercial and industrial construction, government initiative such as smart cities & PMAY, cement production in India is expected to touch 550600 million tones per annum (MTPA) by the end of year 2025.

With recent growth and success journey there is also a threat approaching to cement industry that its input cost is increasing. Power cost, fuel cost, raw material cost have doubled up in recent years whereas cement price has not hiked in that fashion. Also 40% of the cement production costs are energy costs out of which more than 60% of the total electricity is used in grinding circuits. In order to survive and sustain in the market they need to increase their profitability which can only be achieved by increasing productivity and reducing power consumption. High productivity and low power costs can be achieved by increasing output, lowering breakdowns and optimizing the energy consuming grinding process.

The objective of the study, is to draw attention to the need of Cement grinding process optimization to minimize power consumption and achieve higher productivity. In the study the advantages of vertical roller mill are discussed over ball mills. VRM construction, its process and parameters which affects the performance and productivity of vertical roller mill are discussed. Also the consequences of variations in parameter explained. With proper optimization of these parameters, the productivity of vertical roller mill can be improved and performance stability can be achieved by addressing root causes.. This study can benefit the organizations using VRM and are not able to utilize its full productivity due to some bottlenecks or constraints.

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