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7509819 |
Oxygen-fired front end for glass forming operation
A front end for a glass forming operation comprises an open channel and at least one burner. The channel has at least one surface. The surface has at least one hole therein. The burner is oriented...
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7475569 |
Exhaust positioned at the downstream end of a glass melting furnace
A glass-melting furnace ( 10 ) has an upstream end ( 6 ), a downstream end ( 8 ), and a roof ( 22 ). The upstream end is positioned upstream of the downstream end. A charger ( 32 ) is provided to...
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7454925 |
Method of forming a glass melt
A method of forming a glass melt including heating a glass feed material in a first melting furnace to form a glass melt, flowing the glass melt into a second melting furnace through a refractory...
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7392668 |
Low heat capacity gas oxy fired burner
A front end for a glass forming operation including an open channel and at least one burner. The channel surface has at least one burner port and a burner oriented in the burner port at an acute...
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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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7137277 |
Method and device for producing colored glasses
The invention relates to a method and a device for producing colored glasses. The aim of the invention is to obtain a paricularly intimate mixture and to enable a quick change of the melt at the...
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7024888 |
Method for changing glass compositions in melting installations, and corresponding melting installation
The invention relates to a method for changing glass compositions in continuously operated melting installations which has a significantly shortened melt changeover time and therefore lower costs...
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6789396 |
Method and system for feeding and burning a pulverized fuel in a glass melting furnace, and burner for use in the same
A method and system for feeding and burning pulverized fuel, such as petroleum coke, in a glass melting furnace, which includes a glass melting and a plurality of burners associated with a pair of...
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6647747 |
Multifunctional apparatus for manufacturing mineral basalt fibers
The invention discloses a multifunctional apparatus and method to manufacture mineral (basalt) fibers to be drawn/attenuated into a continuous strand made from natural rock basalts with and without...
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6615612 |
Electrostatic batch preheater and method of using the same
A method and apparatus is taught for preheating of glass batch materials by direct contact with glass furnace exhaust gases. Furnace gases 15 flow through a batch hopper 1 in horizontal tunnels...
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6540508 |
Process of installing roof mounted oxygen-fuel burners in a glass melting furnace
A process for installing a refractory burner block in a glass furnace crown, wherein the glass furnace crown comprises a second refractory material different than the burner block refractory,...
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6538193 |
Thermophotovoltaic generator in high temperature industrial process
An emitter for use with a generator has a tube closed at one end, heated from its outside with a water-cooled photovoltaic converter array mounted inside for glass-melting application. Several TPV...
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6532768 |
Process for the vitrification of a pulverulent material and apparatus for implementing the process
The present invention relates to a vitrification process for a pulverulent material and an apparatus for implementing said process. The process consists in introducing the pulverulent material into...
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6405565 |
Chalcogenide glass tubing fabrication
An apparatus and process for fabricating tubing used in the making of chalcogenide fibers. The apparatus features a three-sectioned melt/spin ampoule that allows for fabricating the chalcogenide...
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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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6349570 |
In-barrel wetting screw charger
A wet batch material charging apparatus having a charger screw housing having a batch material inlet and a batch material outlet, a dry batch material supply device adapted to deliver a dry batch...
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6289694 |
Method and apparatus for melting glass in U-flame and cross-fired tank furnaces with a reduction of the Nox and Co content of the waste gases
During the melting of glass from charging material in furnaces with burners and regenerators for the recovery of waste heat, oxygen and primary fuel are introduced into the area around the flame...
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6279351 |
Method and apparatus for making glass and particularly ceramic frits
A method for making glass and particularly ceramic frits, comprising the steps of: introducing in a wet grinding unit, after a metering step according to chosen proportions, materials which...
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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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6116170 |
Waste incinerator
A waste incinerator is provided which can completely prevent environmental pollution by dioxins. Exhaust gas from an incinerator is guided into a glass melting furnace by a duct, and blown into...
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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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6085551 |
Method and apparatus for manufacturing high melting point glasses with volatile components
In the manufacturing of high melting point glasses with volatile components, in particular of glasses from the group of boron glasses and borosilicate glasses, a furnace is provided that has a...
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6047566 |
Method and device for melting recycled silicate starting materials
The present invention concerns a method for melting recycled silicate starting materials. A rotating transport flow with helical flow filaments of transport air and starting material is supplied in...
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5979191 |
Method and apparatus 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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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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5827341 |
Method and apparatus for making glass
A method and apparatus for making float glass, wherein the glass is stirred in the conditioning zone adjacent the entrance to the float canal so as to attenuate the glass across the entire width of...
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5814121 |
Oxygen-gas fuel burner and glass forehearth containing the oxygen-gas fuel burner
An oxygen-gas fuel burner (12) for use in a refractory burner block (20) of glass distribution and conditioning channels (14) for thermally treating glass (18). The oxygen-gas fuel burner (12)...
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5795364 |
Reburning glass furnace for insuring adequate mixing of gases to reduce NO.sub.x emissions
A mixing method insures adequate mixing of gases in a glass furnace that employs a reburning process. Because of the mixing method, a novel glass furnace can be constructed that strikes an optimum...
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5785923 |
Apparatus for continuous feed material melting
The apparatus of the present invention is a melter housing having a pretreat chamber heated with a feed material heater that is partially isolated from a melter chamber. The method of the present...
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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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5773529 |
Method and apparatus which removes odor and pollutants when preparing cullet for use in an electrostatic bed filter
A method and apparatus for treating cullet before use as a raw material in a glass manufacturing process is disclosed. The method includes providing a bed of cullet; passing hot gases through the...
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5766296 |
Furnace for melting glass and method for using glass produced therein
A furnace (1) for melting vitrifiable materials, including a compartment (2) for melting and refining the glass equipped, upstream, with at least one means (4) for charging vitrifiable-materials...
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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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5709728 |
Method and device for the production of mineral wool by using mineral wool waste as recycled starting material
The melting tub for producing the molten mass from a mixture of raw material is associated with an additional melting unit by means of which a recycled molten mass is obtained from mineral wool...
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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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5609661 |
Channel for the transfer and conditioning of molten glass
A channel (1) for the outflow/conditioning of molten glass includes a duct and superstructure (5) and is designed to transfer the molten glass from a vitrifiable material melting and refining zone...
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5588978 |
Process and apparatus for coloring glass
A method and apparatus for the production of colored glass includes the steps of diverting a stream of clear molten glass from at least one glass melting furnace through one or more transport...
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5571301 |
Apparatus for making crystallized glass
An apparatus is presented for economically making crystallized glass products from waste ash produced from the sewage sludge dewatered by organic matters, which is usually regarded to be difficult...
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5558691 |
Cullet feeder
An adjustable vibrating plate cullet feeder for feeding recycle glass to melting furnaces. Independent control of the rate of cullet feed is obtained by adjustment of at least one of: the angle of...
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5556443 |
Method for cullet preheating and pollution emission reduction in the glass manufacturing process
A method and apparatus for simultaneously preheating cullet and removing pollutants from glass furnace gases is disclosed. Raw moist cullet having fine glass dust material and other impurities...
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5542804 |
Modular solids charger
A modular solids charger for feeding granular solid material to a reactor, the charger comprising a chassis, a charger plate support frame vertically and angularly adjustable with respect to the...
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5447547 |
Annular batch feed furnace and process
A particle suspension furnace having an upper injector section, an intermediate combustion section and a lower separation section. The injector section comprises a central fuel conduit for...
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5439496 |
Method for the vitrification of waste materials and apparatus to carry out the method
A method and apparatus for vitrifying waste materials containing a high quantity of carbon are provided which include the use of a secondary combustion chamber for burning the waste gases resulting...
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5417732 |
Oxygen fired glass furnace with burners in the upstream end
A furnace for melting and refining E glass comprises a melting and refining tank for melting and refining the glass batch materials into glass and a forehearth, downstream of the tank, for further...
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5399181 |
Method and apparatus for preheating charging material having organic contaminants for glass melting furnaces
A method and apparatus for preheating material in a glass melting furnace is provided. An indirect heat exchanger is utilized in which exhaust gases from the glass melting furnace are directed, in...
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5342427 |
Apparatus for cullet preheating and polluting emission reduction in the glass manufacturing process
A apparatus for simultaneously preheating cullet and removing pollutants from glass furnace gases is disclosed. Raw moist cullet having fine glass dust material and other impurities adhered to its...
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5312471 |
Method and apparatus for the manufacture of large optical grade SiO.sub.2 glass preforms
The disclosed process involves the feeding of particulate SiO 2 into a rotating cylindrical furnace in which a gas plasma arc has been established, for melting the feed at a temperature of at...
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