Glass Furnace Temperature Sensors

Temperature Sensors for Glass

Many furnaces in the glass manufacturing industry experience temperature control issues. Glass furnace temperature can range from around 1100 °C to 1600 °C. It is therefore important that the glass furnace temperature sensors we supply can withstand the environment in order to produce an accurate reading. Because of the severe heat of glass furnaces, rare metal thermocouples are the most common solution for glass furnace temperature measurement.

Measuring Temperature In A Glass Furnace

Melter Furnace

During the initial melting of glass cullet, sufficient melt temperature is required to achieve the glass condition required for processing. However excess heating uses extra fuel, shortens plant life and can affect the glass batch properties in an undesirable way.

Melter furnaces have temperature sensors in their walls, roof (crown) and bottom. These sensors can often be identified as they are tagged: Melter Bottom, Sump Bottom, Riser sidewall, Channel bottom, Crown, Melter Side wall and so on.

Forehearth

Melter output goes to the working end. A forehearth conditions the glass to the requirements of the forming machinery. In a typical container glass factory the primary requirement of the forehearth is glass homogeneity to help reduce stress in the end product. The glass temperature affects the viscosity, which is also a vital attribute for gob uniformity and subsequent processing.

Forehearths employ an array of tri level thermocouples, immersed in the glass, to determine the characteristics of the glass stream. Extra heating in the stream will optimise the flow uniformity. A final temperature sensor in the spout bowl is common along with Glass level electrodes

Other glass furnace temperature applications

In glass plants, thermocouples are also used to assist in obtaining flue and re-generator temperature measurements.

Choose Peak Sensors

The team at Peak Sensors can design, manufacture and supply temperature sensors for your furnace within the glass manufacturing process.

We welcome any inquiries for glass plant thermocouples, cables, glass bubbler assemblies and glass level electrodes amongst other custom-built temperature sensors we can provide for your industry.

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