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Energy

Waste Heat Management

Submerged Combustion Melter

Submerged combustion melting is a process for producing mineral melts in which fuel and oxidant are fired directly into the bath of material being melted.  The combustion gases bubble through the bath, creating a high heat transfer rate to the bath material and turbulent mixing.  Melted material with a uniform product composition is drained from a tap near the bottom of the bath.  Batch handling systems can be simple and inexpensive because the melter is tolerant of a wide range in batch and cullet size and does not require perfect feed blending.  High shear from forced convection provides both rapid particle dissolution and temperature uniformity.

Early SCM approaches suffered from excessive refractory wear, excessive bubbling because air was used, and a shallow bed.  The SCM approach being developed in the present work was developed by the Gas Institute (GI) of the National Academy of Sciences of Ukraine and was commercialized a decade ago for mineral wool production in Ukraine and Belarus.  Five commercial 75 ton/day melters are in operation producing mineral wool. 

Articles

Oxy Fuel

Gas-fired Solutions for Tin Baths

As leading source for industrial process heating solutions, Eclipse is offering an extensive array of burners and systems for the glass industry.  Read more......

The following articles are courtesy of dmg world media and were published in Glass International.

Tall Crown Furnace Technology for Oxy-Fuel Firing

An advanced oxy-fuel fired furnace design has been proven to extend the life of silica crowns while achieving high fuel efficiency and low NOx and particulate emissions.  H. Kobayashi, K.T. Wu, G.B. Tuson, F. Dumoulin and H.P. Kiewall show us how.  Read more...

Oxygen Technologies for Recovery and Boosting of Glass Furnaces

Neil G. Simpson examines the options available for increasing furnace capacity to cope with changes in product demand.  Read more...

A Fully Automatic Screening Apparatus

Glass screening apparatus for the automatic glass melt of small quantities.  Read more...

Gas for Glass - a New Approach

When Pilkington's German plant needed to increase flat glass production, the company undertook a review of its on-site gas generation system.  Gavin Whitlock explains how an outsourced management and maintenance system was found.  Read more...

Development of a High Luminosity Flat Flame Burner

Val Smirnov and Chet Allen demonstrate how the design of a high luminosity burner can significantly reduce fuel consumption and NOx emissions.  Read more...

DeNOx Oil and Gas Burners

Andreas Birle describes how growing requirements for energy saving, NOx reduction and productivity in the glass melting process have encouraged the development of a new generation of DeNOx burners for heavy oil as well as for natural gas.  Read more...

Combustion Under Control

This article explains how a single premix unit feeding different burners can improve combustion efficiency.  Read more...

Forehearth Control for Electric Glassmaking

Controlling resistance very quickly, coupled with changes in furnace design and operation can lead to improvements in operation and efficiency, explains George A. Sites.  Read more...

The Challenge of Conventional Furnace Design

Dr. Matthias Lindig examines the feasibility of reducing greenhouse gas emissions in the glass industry, in line with European Union objectives.  Read more...

Conference Examines Highly Efficient Melting Methods

Glassmakers from 17 different countries attened the 13th Czech conference on glass melting Read More...

EB Glass Melting Electrodes"

This article explains the use of recycled molybdenum for the manufacture of electron beam glass melting electrodes.  Read more...

A System for Optimal Glass Furnace Control

Josef Muller, Robert Bodi and Frantisek Matustik describe the advantages of using advanced control to achieve high-quality glass production.  Read more...

Barrier Walls:  A New Approach

Stuart Hakes advocates the use of water-cooled bubblers for container furnaces.  Read more...