Case Study: Poly-Skirt in Bauxita Ore Mining Application

Principal functions of Poly-skirt

• Preventing material leakage in transfer regions (turbulent zone)
• Resisting the wet material in contact with the guide roller
• Not to be aggressive to the conveyor belt

REMA TIP TOP 's?Poly-Skirt

• Polyurethane skirting with excellent wear resistance (abrasion 50mm3)
• Special polyurethane composition with lower aggressive for belt (62 Shore A)
• Optimum sealing properties, with 45° beveled edge
• Easy to assemble

Case Study

Country: Brazil

Application:

• Dewatering area of the alumina refinery
• Bauxite in pulp receiver sector
• Thin material and high abrasiveness

Problem:

• Belt edge which contact with skirting guide side, with premature wear, causing short service life (3 months)
• Short life span of skirting guide side (3 months)

Solution:

• Installation new belt
• Installation Poly-skirt on the left side of belt
• Installation new standard skirting on the right side of belt
• Installation Date: 08/12/2021

First Intervention -?Performance Comparison

Intervention Data: 04/03/2022 (3 Months after installation)?

Standard skirting?

• Wear of the entire top cover, reaching up to the third ply

Poly-Skirt

• Minimal wear on the top cover

Standard skirting

• Short service life

Poly-Skirt

• Minimum wear - will be regulated and returned to operation for at least another 3 months

Customer benefit

• Reduction of the cost with belt and skirting change
• Increased operational availability of the equipment
• Reduction staff working risk - gains in occupational?health
• Reduction of material discarded in nature-environmental gains
• Opportunity of conveyor belt can be used for another 3 months

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