Patents for C03B 5 - Melting in furnaces; Furnaces so far as specially adapted for glass manufacture (8,174)
05/1991
05/08/1991EP0426054A1 Method of removing sulphur dioxide and if applicable nitrogen oxides and other impurities from the exhaust gas of waste incineration
05/08/1991DE4035049A1 Nitrifying fly ash from incinerators - by heating to melt and break down harmful products followed by quenching
05/08/1991DE4000147C1 Sewage sludge vitrification - by burning waste material above bath of molten glass for ashes in upper furnace section for carbon combustion etc.
05/07/1991CA1283845C Burner design for melting glass batch and the like
05/02/1991EP0258456B1 Process for manufacturing glass
04/1991
04/23/1991US5009511 Inorganic recycling process
04/17/1991CN1050711A Ceramic welding process andlance for use in such process
04/10/1991EP0421490A2 Method for producing molten glass
04/09/1991US5006145 Center biased stirring for improved glass homogenization
04/09/1991US5006144 Redox system;melting under oxidizing conditions, then reducing
04/09/1991US5006141 Thermally efficient melting for glass making
04/09/1991US5005635 Refractory elements for the construction of heat regenerators
04/09/1991US5005494 Apparatus and method for high temperature disposal of hazardous waste materials
04/09/1991US5005493 Hazardous waste multi-sectional rotary kiln incinerator
04/06/1991CA2026944A1 Ceramic welding process and lance for use in such process
04/04/1991WO1991004443A1 Method and apparatus for making solid waste material environmentally safe using heat
04/04/1991DE4027679A1 Control of glass level in glass melting appts. - by weighing glass and appts. to calculate glass wt. and comparing to a preset wt. permitting controlled addn. of raw glass
04/02/1991CA1282245C Vitrification of asbestos waste
03/1991
03/26/1991US5002910 Particulate composition for surface treatment of refractories
03/26/1991US5002805 Process of surface treatment of refractories and coating
03/21/1991WO1991003439A1 Zircon refractories with improved thermal shock resistance
03/20/1991EP0417520A1 Method and apparatus for the pollution-free disposal of environment-detrimental residues
03/20/1991EP0417107A1 Shaft furnace with a melt collecting chamber
03/12/1991CA1281190C Vacuum refining of glassy materials with controlled foaming
03/07/1991WO1991003435A1 The destruction and re-use of mineral wool scrap
03/06/1991CN1011886B Glass batch feed arrangement with directional adjustability
02/1991
02/26/1991CA1280606C Ablation melting with thermal protection
02/26/1991CA1280605C Support and drive system for rotating liquefaction vessel
02/20/1991EP0413128A1 Ceramic orifice ring
02/19/1991US4994099 Method for fining molten glass
01/1991
01/30/1991EP0410338A1 Melting vessel for the preparation of glass
01/23/1991EP0408702A1 Process and device for combustion and post-combustion of residues.
01/23/1991CN1011338B Process for melting materials capable of forming fibres
01/22/1991US4986748 Wide range oxy-fuel burner and furnace operation
01/22/1991CA1279191C Melting and refining of glass or the like with vacuum refining
01/16/1991CN1048534A 玻璃熔化 Glass melting
01/08/1991US4983202 Glass sheet heating furnace and method of using
01/08/1991US4983198 Glass melting method and apparatus
01/08/1991CA1278686C Apparatuses in the manufacture of mineral wool
01/03/1991DE3920768A1 Vitrifier for waterless solid toxic waste prods.
01/02/1991EP0405211A1 Device for the process of transforming solid, extensive dry waste products into a glaseous form
01/02/1991EP0405124A2 Method for thermal disposal or waste material or residual material such as ashes, sludge or the like
01/02/1991CN2068505U Durable graphite crucible for producing quartz glass
01/02/1991CN1048208A Avoidance of nickel sulfide stones in glass melting operation
01/02/1991CA1278428C Air cooled rotary kiln collar
01/02/1991CA1278425C Method for reducing nitrogen oxide emissions particularly melting of glass
01/01/1991US4981504 Process and device for melting glass
12/1990
12/27/1990EP0404144A1 Avoidance of nickel sulfide stones in a glass melting operation
12/27/1990EP0269663B1 Method of preparing a melt for the production of mineral wool
12/26/1990CN1048025A Fused and cast refractory products having high zirconium dioxide content
12/25/1990US4980091 Method and device enabling molten radioactive glass to be cast into a container
12/19/1990EP0403387A1 Fusion cast refractories with a high content of zirconia
12/19/1990EP0403289A1 Method and apparatus for equalization of temperature in a forehearth in glass manufacture
12/19/1990EP0403184A2 Glass melting
12/19/1990EP0403183A2 Glass melting
12/18/1990US4977837 Process and apparatus for reducing heavy metal toxicity in fly ash from solid waste incineration
12/18/1990CA1277836C Glass batch preheating and liquefying with recycling of particulates
12/12/1990CN1047663A Method and apparatus for heat processing glass batch materials
12/12/1990CN1010775B Method and apparatus for homogenizing flat glass
12/12/1990CN1010774B Improved glass kiln
12/04/1990US4974666 Refractory brick assembly for a heat regenerator
11/1990
11/27/1990US4973346 Glassmelting method with reduced nox generation
11/27/1990CA1276789C Heating vessel construction
11/22/1990EP0398699A1 A process for the treatment of liquid materials
11/15/1990WO1990013522A1 Method of firing glass-melting furnace
11/14/1990EP0271557B1 Treatment of refractory linings
11/13/1990US4969942 Glass melter exhaust duct cleaning method and apparatus
11/13/1990US4969940 Apparatus and method for making mineral wool from coal-ash
11/01/1990WO1990012761A1 Shaft kiln
10/1990
10/31/1990EP0394640A1 Method for making silica tubes or tubes with a high content of silicic acid with low diameter variation
10/31/1990EP0394391A1 Process and device for processing slag and other combustion residues from waste incineration plants.
10/31/1990DE4013314A1 Processing industrially useful residues by melting - with vapour collection as solids for further melting treatment
10/31/1990CN1010228B Arrangment of electrodes
10/30/1990CA1275572C Foam control method for vacuum refining of glassy materials
10/24/1990EP0393882A2 Method and apparatus for processing molten glass
10/23/1990US4965812 Electrode for a glass melting
10/23/1990CA1275422C2 Soda-lime-silica glass product
10/18/1990WO1990012760A1 Method and melting furnace for manufacturing glass
10/18/1990CA2050933A1 Method and melting furnace for manufacturing glass
10/17/1990CN2063939U Coal-burning crucible furnace
10/17/1990CN1046146A Glass melting furnace for generator gas
10/17/1990CN1010004B Combustor design for materials i.e. the melting glass charge
10/17/1990CA2012301A1 Furnace for fining molten glass
10/16/1990US4963731 Optical level measurement system
10/11/1990DE3911164A1 Process for improving the heat utilisation in the glass melt, and brick and tank furnace for use in this process
10/10/1990CN1045928A Process for purification of waste gases emitted from melting furnace
10/09/1990US4961772 Method and apparatus for continuously melting glass and intermittently withdrawing melted glass
10/02/1990US4960380 Method and apparatus for the reduction of solid waste material using coherent radiation
10/02/1990CA1274873A1 Furnace bottom heating
09/1990
09/28/1990CA2013264A1 Process for the purification of waste gases emitted from a melting furnace
09/26/1990EP0389314A1 Process and apparatus for melting materials containing mineral fibres
09/20/1990DE3908510A1 Glass melting furnace
09/18/1990US4957527 Combustion preheater
09/09/1990WO1990010604A1 Method and apparatus for heat processing glass batch materials
09/06/1990DE3904613A1 Environmentally friendly process for converting solid waste materials into glass form (vitrification)
08/1990
08/23/1990WO1990009211A1 A method of treating toxic waste
08/21/1990US4950321 Ceramic orifice ring
08/14/1990US4948411 Glass melting furnace for glazing environmentally hazardous wastes
08/09/1990DE3903016A1 Batch glass melting furnace
07/1990
07/31/1990US4944785 Process using melt accelerator for the conversion of solid waste substances into glass
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