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7628038 |
System and method for controlling the environment around one or more vessels in a glass manufacturing system
A system and method are described herein that control the environment (e.g., oxygen, hydrogen, humidity, temperature, gas flow rate, pressure) around one or more vessels in a glass manufacturing...
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7628039 |
System and method for controlling the environmental around one or more vessels in a glass manufacturing system
A system and method are described herein that control the environment (e.g., oxygen, hydrogen, humidity, temperature, gas flow rate, pressure) around one or more vessels in a glass manufacturing...
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7621154 |
Solid fuel combustion for industrial melting with a slagging combustor
A method for supplying heat to a melting furnace for forming a molten product using ash-containing fuels. A fuel having an ash component is introduced into a slagging chamber of a slagging...
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7498731 |
Glass for an EEFL fluorescent lamp, process for making the glass and devices including articles made with the glass
Glass for gas discharge tubes, which are used in fluorescent lamps, especially EEFL and miniaturized lamps, LCD displays, computer monitors, telephone displays and TFT displays, and a process for...
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7475568 |
Method of fining glass
A method of forming an oxide glass including heating a glass melt having a β —OH concentration of at least about 0.35 in a vessel comprising a metal selected from the group consisting of...
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7409838 |
Reducing corrosion and particulate emission in glassmelting furnaces
A glassmelting furnace is heated by combustion of fuel having an atomic ratio of hydrogen to carbon of 0.9 or less.
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7296440 |
Device and method for melting glass
When waste glass that is strongly laden with organic impurities is melted, the organic constituents present in the melt give rise to so-called “black hearts” which can no longer be eliminated...
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7191619 |
Process for producing glass and glass-melting apparatus thereof
A process for producing a high-quality glass from highly reactive raw materials and a glass-melting apparatus for use therewith, comprising the step of charging a material for the glass to a molten...
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7168269 |
Gas injection for glass melting furnace to reduce refractory degradation
A glass melting furnace has a gas inlet positioned proximate to a charging section oxy-fuel combustion region to introduce gas into the region and to at least partially displace gas having a...
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6945077 |
Method for treating steel plant slag
A method is presented for the treatment of slag from electric steel plants which comprises the following steps: (a) transference of the slag into a metallurgical receptacle; (b) defoaming of the...
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6871514 |
Method of making glass, a method and device for the control and setting of the redox state of redox fining agents in a glass melt
There is now provided a method and a device for the control and setting of the redox state of redox fining agents in a glass melt, in which method, during the melting process, essentially oxygen...
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6862899 |
Method and apparatus for heating glass melting furnaces with fossil fuels
During the heating of glass melting furnaces having a combustion chamber with regenerators for preheating oxidation gases, with port necks that open into the combustion chamber, with primary...
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6813902 |
Systems and methods for increasing production of spheroidal glass particles in vertical glass furnaces
A retrofit technology for air-fuel fired, vertical glass furnace for oxygen firing or boosting to provide additional heat to the process to increase furnace production capacity. The additional...
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6722161 |
Rapid glass melting or premelting
A method for melting glass forming batch material includes charging the glass forming batch material to a glass melting apparatus; impinging a flame proximate to the surface of the batch materials...
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6715319 |
Melting of glass
A method of producing flat glass in which foam which appears on the surface of molten glass melted using oxy-fuel burners is dispersed by directing a diffuse, luminescent flame onto the surface of...
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6708527 |
Glass feeder operated with oxy-gas combustion
A glass feeder comprises an enclosed chamber through which molten glass can pass, and passing through each side wall into the chamber at least one burner comprising first and second burner head...
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6705118 |
Method of boosting a glass melting furnace using a roof mounted oxygen-fuel burner
In an industrial glass furnace which contains recuperators, regenerators, electric boost or other devices for providing heat to glass batch material an oxy-fuel burner mounted in the roof of the...
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6705117 |
Method of heating a glass melting furnace using a roof mounted, staged combustion oxygen-fuel burner
In an industrial glass furnace, which optionally contains recuperators, regenerators, electric boost or other devices for providing heat to glass batch material, at least one staged combustion...
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6588234 |
Device and method of plaining glasses or glass-ceramics
A device and method for the plaining of glasses or glass-ceramics. The device is provided with a melting vat, at least two plaining containers serially connected after the outlet of the melting...
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6576807 |
Method and apparatus for incinerating and vitrifying of waste, in particular radioactive waste
The present invention provides a method of processing organic waste (D) in divided solid and/or liquid form, the method being implemented in a single reactor ( 1 ) containing a bath of molten gas...
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6532771 |
Method for controlling glass furnace atmosphere
Glass is produced in a glassmelting furnace by combusting fuel and oxidant having an oxygen content greater than 80 vol. % oxygen in a melting zone to form molten glass, wherein the surface of the...
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6519973 |
Glass melting process and furnace therefor with oxy-fuel combustion over melting zone and air-fuel combustion over fining zone
A process and furnace for melting glass is set forth wherein the majority of the combustion energy over the melting zone of the furnace is provided by oxy-fuel combustion while a majority of the...
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6357264 |
Apparatus for melting molten material
This apparatus is a furnace for heating molten material which employs oxygen-fuel burner assemblies. Preferably, the assemblies are submerged in the molten material. They are water cooled top down...
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6354110 |
Enhanced heat transfer through controlled interaction of separate fuel-rich and fuel-lean flames in glass furnaces
In an industrial furnace used to melt glass batch or glass melt least two oxy-fuel burners are employed in the roof or side-wall of the furnace. At least one oxy-fuel burner is operated with a...
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6350118 |
Combustion assembly for a furnace and method of use
Combustion assembly adapted to be placed in a wall of a furnace including an axis having at least one pair of burners with axes, one oxidant lance arranged between the burners of the pair and...
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6334337 |
Air bubbler to increase glass production rate
In a glass melter, a precious metal insert is used to protect a gas bubbler from corrosion at the orifice of the bubbler through which gas is injected into the melt. The use of a precious...
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6332340 |
Process for manufacturing technical glass and burner for implementing such a process
Provided is a process for the manufacture of technical glass. The process includes, heating a glass bath with at least one flame, wherein the at least one flame is a non-hard flame which is blue in...
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6253578 |
Glass melting process and apparatus with reduced emissions and refractory corrosion
A glassmelting apparatus which reduces alkali corrosion comprising: a glassmelting furnace having a plurality of walls, a crown, a charge end, a batch melting area and a fining area; at least two...
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6237369 |
Roof-mounted oxygen-fuel burner for a glass melting furnace and process of using the oxygen-fuel burner
Briefly, according to the present invention there is provided a refractory lined glass melter for producing refined glass from raw glass-forming material using at least one oxygen-fuel burner...
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6233974 |
Oxygen-gaseous forehearth burner for air-fuel and oxy-fuel forehearth burner block geometries
An oxy-gaseous fuel burner for a forehearth system having an oxygen conduit, a fuel conduit disposed concentrically within the oxygen conduit and forming an annulus between the fuel conduit and the...
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6209355 |
Method for melting of glass batch materials
An apparatus for melting materials is provided comprising a melter body having a batch injection portion including a batch inlet port, a batch melting portion including a batch melting chamber...
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6101847 |
Method of firing a glass melting furnace with oxygen
A method for melting and refining glass, such as E glass, comprises feeding glass batch materials into a melting and refining tank for melting and refining the glass batch materials into glass and...
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6047565 |
Method and device for reducing the NO.sub.x emission in a glass furnace
A method and apparatus involving combustion for melting glass. The fuel and oxidizer of the combustion are both supplied in such a way as to spread out the fuel/oxidant contact over time and to...
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6041622 |
Method and apparatus for heating the change of a glass furnace
A combustion assembly adapted for a furnace is provided. The assembly includes an axis comprising at least one pair of burners having axes. An oxidant lance is arranged between the burners of the...
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5922097 |
Water enhanced fining process a method to reduce toxic emissions from glass melting furnaces
A method of glass formation which provides for reduced levels of toxic emissions is disclosed wherein conventional batch fining agents such as Na 2 SO 4 , As 2 O 5 or Sb 2 O 5 are used in...
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5906119 |
Process and device for melting glass
A process and a device for melting glass. According to the invention, the melting of vitrifiable materials is performed in a melting compartment by at least one fuel burner, the combustive material...
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5855639 |
Process for the conversion of a glass furnace with the aid of a combustion with oxygen
Provided is a process for the production of a loop-shaped flame in a glass furnace. The furnace includes, in a rear part, a glass melting zone heated by injecting through at least one port a fuel...
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5853448 |
Method of heating the charge of a glass furnace
Method of heating the charge of a glass furnace in which at least one burner is placed in a wall of a furnace so as to heat the bath of glass, characterized in that at least one assembly consisting...
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5807418 |
Energy recovery in oxygen-fired glass melting furnaces
A method for improving the energy efficiency of oxygen-fired glass melting furnaces wherein heat from hot flue gases from the melting furnace is used to heat all or part of the combustion oxidant...
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5795363 |
Reduction of solid defects in glass due to refractory corrosion in a float glass operation
The present invention provides an apparatus and method for reducing the occurrences of solid defects in float glass due to corrosion of refractory in a glass melting and refining furnace. In making...
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5779754 |
Process and horseshoe flame furnance for the melting of glass
A process for melting glass in a horseshoe-flame furnace including a rear, a forward and a lateral wall and a longitudinal axis comprising the steps of: introducing a charge into a region of the...
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5755846 |
Regenerative glass melting furnace with minimum NO.sub.x formation and method of operating it
A method of operating a regenerative glass melting furnace with end-firing or cross-firing utilizes burners to provide sub-stoichiometric combustion and super-stoichiometric combustion along the...
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5728190 |
Melting furnace and process for the inertization of hazardous substances by vitrification
A tank furnace for the inertization of non-flammable batch, which contains hazardous substances, metals and less than 10% by weight of carbon, by vitrification with glass forming aggregates by...
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5713977 |
Fixed bed filtering preheater process for high temperature process furnaces
A glassmelting or particle heating system wherein hot flue gas is radiatively cooled in a gas cooling zone integrated within a preheating vessel and a fixed or non-moving bed of material is formed...
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5672190 |
Pool separation melt furnace and process
Process and furnace for the continuous production of a molten pool from particulate meltable batch materials such as glass-forming raw materials. The raw materials, in particulate form, are...
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5665137 |
Method for controlling secondary foam during glass melting
A method for controlling secondary foam in a glass melting process is provided in which an oxidizing agent is added to a second melt region (32) of a glass furnace (14) where secondary foam (52) is...
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5655464 |
Apparatus for melting glass
A furnace for melting vitrifiable materials having a compartment (1) for the melting/refining of the glass and which is provided in its upstream part with at least one opening (12) to be supplied...
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5643348 |
Oxygen/fuel fired furnaces having massive, low velocity, turbulent flame clouds
An oxygen-fuel firing system for a furnace comprising separate, spread apart nozzles for introducing gaseous streams of oxygen and fuel into the furnace at spaced apart locations. The gaseous...
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5632795 |
Reduction of nitrogen containing glass batch materials using excess oxygen
A method for decreasing the amount of nitrogen and oxygen containing compounds employed in glass batch mixtures. Oxygen fuel burners are utilized to provide an oxidizing atmosphere to the molten...
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5628809 |
Glassmelting method with reduced volatilization of alkali species
A glassmelting method wherein fuel and oxidant combust in a combustion zone in the upper level of a furnace and shield oxygen is passed over the molten glass surface at a low velocity to form a...
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