Spill-ex Skirt Sealing

Tega SPILL-EX shown fitted on to a conveyor

Tega Skirting Blocks

"SPILLEX" skirt sealing system is designed to seal the skirt at the loading station of the conveyor. The segmented rubber blocks guided by the guide plate on one face and supported by serrated clamps plates on the other face ensure effective sealing to match belt profile.

In transferring bulk solids cost-effectively through a belt conveyor, it is important to ensure that each component is designed to give optimal performance. Tega, has for the past twenty-five years, been solving problems generally encountered at loading stations. Renowned for its pioneering work in the design of impact bars, universal support bars and pulley bars, Tega also offers the SPILL-Ex skirt sealing system.

Trends in Technical Improvement of Conveyor Loading Stations
The loading station, where bulk material is received on belt conveyors, is a critical area that is often exposed to a variety of problems. Spillage is one such problem.

The material when loaded on the belt, remains in an agitated state and needs to be guided to a certain distance till its condition stabilises. This has traditionally been done with the help of skirt boards that extend from the discharge chute on both edges of the belt. To seal the gap between the bottom edge of the skirt board and the moving belt, lateral rubber strips were introduced. This did control the spillage, but only to a limited extent, as the strip could not be adjusted to match with the belt profile. This led to the development of segmented type rubber sealing that could be individually adjusted to the belt contour. However, to avoid spillage completely, the gap between adjacent segments still needed to be eliminated. This required design ingenuity.

Responding to this need, Tega patented the SPILL-EX skirt sealing design. A simple yet effective construction, SPILL-EX has succeeded in making conveyor loading stations completely spillage free. The use of SPILL-EX has also enabled many companies to achieve ISO14000 certification which places great emphasis on the control of environmental degradation.

How SPILL-EX functions
The SPILL-EX skirt sealing system comprises a specially designed backing plate, rubber blocks and serrated clamps that completely seal the belt edges at the loading station.

The rubber skirt blocks are slid on to guides provided on the backing plates and are help in position by means of the serrated clamps and bolts. The design of the forward-angled serrated clamps prevents the rubber skirt block from moving up or away from the belt and allows them to be hammered down towards the belt.

SPILL-EX Features

• Fits easily to existing or new conveyor systems
• Soft but firm contact gives complete sealing
• Special wear-resistant rubber ensures long life
• Simple to install and adjust
• Individual blocks can be replaced without damaging adjacent ones
• The soft rubber eliminates belt damage
• Wide range to suit all site conditions

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