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Non-Contact Monitoring in Glass Manufacturing

Post Time:Nov 07,2018Classify:Industry NewsView:845

Manufacturers can monitor the temperature of materials and machines using non-contact infrared (either pyrometers or thermal imagers) to ensure products will meet quality standards and market requirements.

Melting Tank

The melting tank is where the glass production process starts with sand, limestone, soda ash, and cullet feed into a furnace for melting. With the high temperatures and corrosive molten glass required for this process, it is important to measure equipment and materials exposed to extremely high temperatures that are often subject to heavy wear.

WHAT TO MEASURE

  • The roof and end-wall temperatures to monitor for potential refractory failures.

  • The tank bottom temperature to monitor for the erosion of the refractory lining.

  • The material temperature to ensure a uniform melting process that remains within the desired temperature thresholds.

 Flat Glass Production

Considerable mechanical stresses may develop in the glass as it cools down. Molten glass from the melting tank enters the tin bath through a canal and floats on top of the molten tin. The glass is then allowed to cool in the various heating/cooling zones.

Once the glass ribbon is formed, it moves to the annealing lehr where it can cool slowly. Ensuring the proper temperature of the cooling zones is essential to maintaining uniformity.

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Source: glassinchinaAuthor: Shangyi

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