| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 065134400 | Oxygen enriched or nitrogen reduced gas utilized (i.e., modified air) | 32 |
| 20080271491 | 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 combustor and at least partially combusted with a first oxidant mixture and a second oxidant mixture within the slagging chamber. Ash component is collected as a layer of molten slag in the slagging chamber. Slagging combustor gas effluent is passed from the slagging chamber of the slagging combustor into the combustion space of the melting furnace at high temperature to supply heat to form the molten product. Molten slag is withdrawn from the slagging chamber of the slagging combustor and may be selectively introduced into the melting furnace or not introduced into the melting furnace. | 11-06-2008 |
| 20080276648 | Method for Glass Preparation - The invention concerns a method for preparing glass from raw materials in powder form in a furnace comprising three side walls, a roof, an upstream pinion and at least one air injector associated with a gas or liquid fuel injector, at least one of said injectors being arranged in said side walls, in said roof or in said upstream pinion. Said method includes the following steps: injecting air and gas or liquid fuel through said injectors, at least one flame being generated immediately proximate the zone where said raw materials in powder form cover the glass solution. | 11-13-2008 |
| 20090044568 | Submerged fired vertical furnance - A furnace is heated by submerged heating equipment. An exhaust stack is vented directly to outside the furnace. A portion of hot gases may pass into at least one shaft via which incoming material and a stage of pre-heating occurs. | 02-19-2009 |
| 20090044569 | BUBBLING BRICK - The invention pertains to a bubbling brick with at least two bores for introducing two different gases into a glass melt. In order to increase the variability of the glass melt process, these bores together form an included angle α>0. | 02-19-2009 |
| 20090084139 | HEATING GLASSMAKING MATERIALS WITH RADIATIVE HEAT TRANSFER - Heat in a stream of combustion products obtained from a glassmelting furnace heated by oxy-fuel combustion is passed to incoming glassmaking materials in a heat exchanger without requiring reduction of the temperature of the stream yet without causing softening of the glassmaking material. | 04-02-2009 |
| 20090084140 | GLASS FURNACE FLUE GAS TO HEAT GLASSMAKING MATERIAL AND OXIDANT - Heat in a stream of combustion products obtained from a glassmelting furnace heated by oxy-fuel combustion is passed to incoming glassmaking materials in a heat exchanger without requiring reduction of the temperature of the stream yet without causing softening of the glassmaking material. | 04-02-2009 |
| 20090158777 | Method and Device for Recycling Mineral Wool Waste Containing Organic Components - Method for recycling mineral wool waste containing organic components, comprising the steps of:
| 06-25-2009 |
| 20100212362 | METHOD AND APPARATUS FOR PREHEATING GLASSMAKING MATERIALS - Heat in a stream of combustion products obtained from a glassmelting furnace heated by oxy-fuel combustion is passed to incoming glassmaking materials in a heat exchanger without requiring reduction of the temperature of the stream yet without causing softening of the glassmaking material. | 08-26-2010 |
| 20100307196 | BURNER INJECTION SYSTEM FOR GLASS MELTING - A burner for melting glass forming batch material includes a burner assembly constructed and arranged with a first passage for providing a fuel stream and a second passage for providing an oxidant stream, the first and second streams coacting to produce a supersonic combustion jet flame penetrable into glass melt. A method for melting glass forming batch material is also provided and includes providing a fuel stream; providing an oxidant stream; mixing the fuel and oxidant streams with sufficient force for providing a supersonic combustion jet flame; directing the supersonic combustion jet flame to contact the glass forming batch material; and penetrating the glass forming batch material to a select depth with the supersonic combustion jet flame. | 12-09-2010 |
| 20100326137 | LOW NOX GLASS FURNACE WITH HIGH HEAT TRANSFER - A method of heating molten glass using a furnace including side walls including transverse burners and fitted with regenerators. At least one transverse burner is supplied with oxidant including less than 30 vol % oxygen and with fuel such that the ratio of the impulse of the oxidant to the impulse of the fuel ranges from 5 to 13. This method of operation provides excellent heat transfer to the glass and creates little pollution. | 12-30-2010 |
| 20110011134 | INJECTOR FOR HYDROGEN AND OXYGEN BUBBLING IN GLASS BATHS - A bubbler for injecting gas bubbles into a glass bath in a melter includes an injector mounted to a bottom portion of the melter beneath the glass bath, the injector having a surface exposed to the glass bath; a plurality of passageways formed in the injector extending through the injector and opening at the surface for providing the gas bubbles into the glass bath; and a controller connected to the bubbler for controlling origination and release of the gas bubbles for injection into the glass bath. | 01-20-2011 |
| 20110072857 | GLASS MELTING FURNACE - The present invention relates to a glass melting furnace, comprising a channel-shaped melting tank, the batch material being charged at an upstream end, the molten glass being recovered at the downstream end, said furnace being heated by means of burners, in which 80% of the combustion energy is produced by oxycombustion, oxygen being supplied continuously from a production plant located nearby or via a gas pipe from remotely located plants, characterized in that the furnace is fitted with oxygen storage means such that, should continuous supply cease, the furnace can operate at least in a temperature-maintaining mode for a maximum time of eight hours. | 03-31-2011 |
| 20110079050 | GLASS MELTING FURNACE - The present invention relates to a glass meting furnace comprising a channel-shaped melting tank, the batch materials being introduced at an upstream end, the molten glass being recovered at the downstream end, said furnace being heated by means of burners, in which the combustion energy is produced by oxy-fuel combustion in respect of at least 65% thereof, the burners being distributed on the walls along the length of the furnace, in which flue gas discharge is mostly localized close to the upstream end near the openings through which the batch materials are introduced, the rest of the flue gas being removed close to the downstream part so as to maintain dynamic sealing with respect to the surrounding atmosphere. | 04-07-2011 |
| 20110271717 | SYSTEM AND METHOD FOR CONTROL OF GLASS TRANSMITTANCE - This application relates to methods of making glass compositions, and glasses resulting from these methods. More particularly, the disclosure relates to a method of making a glass having high total solar transmittance and high light transmittance in the visible and near infrared ranges with the use of oxygen-fuel burners in a furnace. Such glass compositions are useful, for example, in glass-based solar cells. | 11-10-2011 |
| 20120304699 | PROCESS FOR COARSE DECARBURIZATION OF A SILICON MELT - The present invention relates to a novel process for coarse decarburization of a silicon melt, and to the use thereof for production of silicon, preferably solar silicon or semiconductor silicon. | 12-06-2012 |
| 20130086949 | BURNER APPARATUS, SUBMERGED COMBUSTION MELTERS INCLUDING THE BURNER, AND METHODS OF USE - Apparatus includes a first and second conduits configured to form an annulus between them. An adjustable structure includes a body having an upper surface, a lower surface, and a circumferential surface abutting a portion of the internal surface of the second conduit. The structure is adjustable axially in relation to and removably attached to the first conduit via a hub. The hub defines a central passage for fuel or oxidant. The body has one or more non-central through passages configured such that flow of an oxidant or fuel therethrough causes the fuel or oxidant to intersect flow of fuel or oxidant exiting from the central passage in a region above the upper surface of the body. | 04-11-2013 |
| 20130091898 | METHOD AND DEVICE FOR MELTING MELTABLE STOCK - A method for melting meltable stock, such as glass includes a melting furnace ( | 04-18-2013 |
| 20130111956 | GLASS MELTING FURNACE - The present invention relates to a glass meting furnace comprising a channel-shaped melting tank, the batch materials being introduced at an upstream end, the molten glass being recovered at the downstream end, said furnace being heated by means of burners, in which the combustion energy is produced by oxy-fuel combustion in respect of at least 65% thereof, the burners being distributed on the walls along the length of the furnace, in which flue gas discharge is mostly localized close to the upstream end near the openings through which the batch materials are introduced, the rest of the flue gas being removed close to the downstream part so as to maintain dynamic sealing with respect to the surrounding atmosphere. | 05-09-2013 |
| 20130180289 | METHOD AND DEVICE FOR MELTING MELTABLE STOCK - A method and a device are provided for melting meltable stock, such as glass, wherein a melting furnace is heated via a burner flame generated by means of a burner port, to which fuel and oxidizer are supplied, a fuel-rich fuel-oxygen mixture being introduced into the furnace downstream from the burner port via at least one substoichiometrically operated burner and/or a fuel or fuel mixture being introduced into the furnace downstream from the burner arrangement via at least one fuel nozzle, and a gas stream containing oxygen being introduced into the furnace downstream from the at least one substoichiometrically operated burner and/or the at least one fuel nozzle. | 07-18-2013 |
| 20130180290 | CONTROLLING GLASSMELTING FURNACE GAS CIRCULATION - Injecting one or opposed gaseous streams into the atmosphere over molten glassmaking materials in a glassmelting furnace, in a region of the refining zone, improves the quality of the glassmelt and lessens the risk of crown corrosion. | 07-18-2013 |
| 20130192308 | METHOD FOR PRODUCING AND REFINING A GLASS MELT IN A GLASS - In a method for producing and refining a glass melt in a glass melting end, a mixture is fed to the glass melting end, the mixture is transformed into the glass melt under the action of heat in the glass melting end, and fuel is combusted with air and/or oxygen being supplied above the glass melt in order to generate heat in the glass melting end. In order to improve the thermal conditions inside the glass melting end, according to the invention wood dust is introduced as fuel into the combustion space present above the glass melt in the glass melting end and is combusted there, with air and/or oxygen being supplied. | 08-01-2013 |
| 20130219968 | GLASS FINING METHOD USING PHYSICAL BUBBLER - A method for fining a glass melt comprises providing a glass melt in a melting vessel, moving the glass melt to a fining vessel via a first channel, and physically introducing gas bubbles to the glass melt in the fining vessel to form a fined glass, wherein the melting vessel and the fining vessel are in a horizontal orientation with respect to each other. | 08-29-2013 |
| 20130276481 | CONTROLLING GLASSMELTING FURNACE OPERATION - Injecting one or opposed gaseous streams into the atmosphere over molten glassmaking materials in a glassmelting furnace, in a region of the refining zone, and combusting fuel in the refining zone, improve the quality of the glassmelt and lessen the risk of crown corrosion. | 10-24-2013 |
| 20130298609 | METHOD FOR OPERATING A GLASS MELTING FURNACE - The present invention relates to a glass melting furnace, comprising a channel-shaped melting tank, the batch material being charged at an upstream end, the molten glass being recovered at the downstream end, said furnace being heated by means of burners, in which 80% of the combustion energy is produced by oxycombustion, oxygen being supplied continuously from a production plant located nearby or via a gas pipe from remotely located plants, characterized in that the furnace is fitted with oxygen storage means such that, should continuous supply cease, the furnace can operate at least in a temperature-maintaining mode for a maximum time of eight hours. | 11-14-2013 |
| 20140090421 | METHODS AND SYSTEMS FOR CONTROLLING BUBBLE SIZE AND BUBBLE DECAY RATE IN FOAMED GLASS PRODUCED BY A SUBMERGED COMBUSTION MELTER - Methods and systems for controlling bubble size and bubble decay rate of glass foams formed during submerged combustion melting. Flowing a molten mass of foamed glass comprising molten glass and bubbles entrained therein into an apparatus downstream of a submerged combustion melter. The downstream apparatus has a floor, a roof, and a sidewall structure connecting the floor and roof. The foamed glass has glass foam of glass foam bubbles on its top surface, and the downstream apparatus defines a space for a gaseous atmosphere above and in contact with the glass foam. The downstream apparatus includes heating components to heat or maintain temperature of the foamed glass. Adjusting composition of the atmosphere above the glass foam, and/or contacting the foam with a liquid or solid composition controls bubble size of the glass foam bubbles, and/or foam decay rate. | 04-03-2014 |
| 20140090422 | METHODS AND SYSTEMS FOR DESTABILIZING FOAM IN EQUIPMENT DOWNSTREAM OF A SUBMERGED COMBUSTION MELTER - Methods and systems for de-stabilizing foam produced in submerged combustion melters. A molten mass of glass and bubbles is flowed into an apparatus downstream of a submerged combustion melter. The downstream apparatus includes a floor, a roof and a wall connecting the floor and roof, but is devoid of submerged combustion burners and other components that would increase turbulence of the molten mass. The molten mass has foam on at least a portion of a top surface of the molten mass. One method includes directly impinging an impinging composition onto at least a portion of the foam in the downstream apparatus. Systems for carrying out the methods are described. | 04-03-2014 |
| 20140144183 | GLASS MANUFACTURING APPARATUS AND METHODS - Low-carbon monolithic refractories are provided. Methods of manufacturing glass employing low-carbon monolithic refractories are also provided. Methods and apparatuses for glass manufacture for reducing the formation of carbon dioxide blisters during glass manufacture are also provided. | 05-29-2014 |
| 20150128647 | GLASS FURNACE FOREHEARTH HEATING - Described are a burner and its method of operation that are useful in providing heat within an enclosure such as the forehearth associated with a glassmelting furnace. | 05-14-2015 |
| 20150344344 | CONTROLLING GLASSMELTING FURNACE GAS CIRCULATION - Injecting one or opposed gaseous streams into the atmosphere over molten glassmaking materials in a glassmelting furnace, in a region of the refining zone, improves the quality of the glassmelt and lessens the risk of crown corrosion. | 12-03-2015 |
| 20150344345 | CONTROLLING GLASSMELTING FURNACE GAS CIRCULATION - Injecting one or opposed gaseous streams into the atmosphere over molten glassmaking materials in a glassmelting furnace, in a region of the refining zone, and combusting fuel in the refining zone, improve the quality of the glassmelt and lessen the risk of crown corrosion. | 12-03-2015 |
| 20160075587 | BURNER FOR SUBMERGED COMBUSTION MELTING - Submerged combustion burners having a burner body and a burner tip body connected thereto. The burner body has an external conduit and a first internal conduit substantially concentric therewith. The external conduit and first internal conduit form an annulus for passing a cooling fluid there between. A second internal conduit substantially concentric with the external conduit forms a second annulus between the first and second internal conduits. A burner tip body is connected to the burner body at ends of the external and first internal conduits. The burner tip body includes a generally central flow passage for a combustible mixture, the flow passage defined by an inner wall of the burner tip body. The burner tip body further has an outer wall and a crown connecting the inner and outer walls. The crown includes at least one physical convolution sufficient to increase surface area and fatigue resistance of the crown. | 03-17-2016 |
| 20160076764 | SUBMERGED COMBUSTION BURNERS AND MELTERS, AND METHODS OF USE - Submerged combustion burners having a burner body, a burner tip connected thereto. Submerged combustion melters including the burners and methods of using them to produce molten glass. The burner body has an external conduit and first and second internal conduits substantially concentric therewith, forming first and second annuli for passing a cooling fluid therethrough. The burner tip body is connected to the burner body at ends of the external and second internal conduits. The burner tip includes a generally central flow passage for a combustible mixture, the flow passage defined by an inner wall of the burner tip. The burner tip includes a crown portion defining a circumferential concavity. | 03-17-2016 |
