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algeria refractory material patent

Periclase spinelled refractory material

FIELD construction SUBSTANCE suggested periclase spinelled refractory material containing molten chromiferous filler and dispersed periclase powder contains molten chromitopericlase at the weight ratio MgO/Cr 2 O 3 2550 and AlO 3 /Cr 2 O 3 010020 with maximum grains size of 6 mm and fineness modulus 2024 as chromiferous filler and molten periclase with specific

Sintering of dry vibratable refractory materials for EAF

Steelmaking electric arc furnaces EAF bottoms are usualy built up with dry vibratable refractory mixes During furnace operation the refractory mix undergoes sinterization slag attack and chemical interaction with steel aterial sintering is needed in the upper part of the EAF bottom in order to develop enough mechanical strength and wear resistance during operation

FURNACES AND REFRACTORIES Modern Eq

201994 Any material can be described as a ‘refractory’ if it can withstand the action of abrasive or corrosive solids liquids or gases at high temperatures The various coinations of operating conditions in which refractories are used make it necessary to manufacture a range of refractory materials with different properties

Sinterability properties of a ceramic synthesized from

Sinterability properties of a ceramic synthesized from Algerian kaolin and spent magnesiacarbon refractory bricks Noveer 2021 The International Journal of Advanced Manufacturing Technology 117

Patent TrademarkIntellectual Property

2021930 Founded in 2002 in Shenzhen SBZL is an IP firm that can provide clients with allaround services relating to patent trademark copyright judicial protection of intellectual property and other intellectual property rights

Magnesiasilie refractories

For its production we use technogenic raw materials slag from the production of highcarbon ferrochrome 3 table The invention relates to refractory industry and can be used for the production of magnesiasilie refractories used in the linings of heating roasting furnaces and other heating units

About Refractories WRA

Refractories play the triple role of providing mechanical strength protection against corrosion and thermal insulation They are adapted to each specific appliion through finetuning and a careful choice of the different raw materials and their processing Innovative refractory products provide resourceefficient solutions to downstream

Henan Ruitai Refractory Materials Technology

AddressNORTH SIDE OF 26KM AWAY FROM S102XUEDIAN TOWNXINZHENG CITY (451100)HENAN PROVINCE CHINA Tel+8637162590789 Fax+8637162585779 [email protected]

WIPO Algeria Office

2022327 WIPO Algeria Office The WIPO Algeria Office was opened in 2019 to support the implementation of intellectual property IP projects and activities in Algeria

Refractory materials Goricon Metallurgical Services Limited

If desired a particulate refractory material for example crushed refractory brick may be incorporated in the reaction mixture for reasons of economy to improve the erosion resistance of the slag or to moderate the exothermic reaction or to reduce fume evolution Up to 10 of a flux eg calcium fluoride may be added if desired

Refractory Installation Dickinson Group of Companies

Refractory materials are essentially heatresistant materials such as refractory bricks castables ramming or gunning materials which are designed to maintain their strength at high temperatures These materials are often used in highly technical industries as the building blocks for large production facilities such as smelters and

About Refractories WRA

Refractories play the triple role of providing mechanical strength protection against corrosion and thermal insulation They are adapted to each specific appliion through finetuning and a careful choice of the different raw materials and their processing Innovative refractory products provide resourceefficient solutions to downstream

Recycling of refractory bricks used in basic steelmaking

201911 Because of concerns with chromium toxicity spentchrome containing refractories were the first to attract recycling attention with research dating back to the early 1980s Fang et al 1999 and a first patent on reprocessing of spent magnesiumchrome bricks into refractory raw materials published in 1985 Nazirizadeh et al 1985Increasing environmental awareness

0 Materials with the Highest Melting Point

4 Tungsten 3400 ℃ Tungsten takes the 4th spot in our list of the materials with the highest melting point Tungsten is a steelgray or silverwhite metal with high hardness high melting point and resistance to air erosion at room

Beijing ZBSD Patent Trademark Agent Ltd

2021519 Established in 2003 Beijing ZBSD Patent Trademark Agent Ltd hereinafter referred to as “ZBSD” has been committed to providing its clients with valuable services of high quality holding ‘Honesty Diligence and Efficiency’ as its business concepts Its excellent services in IP area have won the trust and praise of its clients

2021813 21 Annual Patent Grants of Three Kinds Originated from Home and Abroad 22 Patent Grants for Invention Originated from Home by Origin 23 Patent Grants for Utility Model Originated from Home by Origin 24

Refractory Coatings High Temperature Paint REFCOTEC

HIGH TEMP PAINT / COATINGS REFCOBAR Waterborne core and mold coatings produced in an array of refractory minerals depending on the appliion and casting typeThese products can be torch air or oven dried each drying process yielding the same end result

Production and properties of refractory raw materials

201751 Most of the acid refractory materials can be described on the system Al 2 O 3 SiO 2 Fig 1 This system is characterized by three phases silica mullite and corundum They are thermodynamically stable at high temperature with a congruent melting point at respectively 1726 1853 and 2054 °C re

Henan Ruitai Refractory Materials Technology

AddressNORTH SIDE OF 26KM AWAY FROM S102XUEDIAN TOWNXINZHENG CITY (451100)HENAN PROVINCE CHINA Tel+8637162590789 Fax+8637162585779 [email protected]

Pyrotek Innovation Patents Pyrotek

Pyrotek Innovation Patents T o advance the efficiency of our customers’ operations Pyrotek invests hundreds of millions of dollars in research and development in new capital equipment and consumables across Aluminum and other high temperature process industries we support Pyrotek is proud that many of our new solutions are awarded patents

Refractory material The Dow Chemical Company

4 The refractory grain material of claim 1 wherein the material has a compressive strength at 1540° C of at least 1000 pounds per square inch 5 The refractory grain material of claim 1 wherein MgO CaO SiO 2 Al 2 O 3 and at least one oxide selected from the group consisting of Fe 2 O 3 and B 2 O 3 are present to the exclusion of other

Foundry Coating Technology A Review

20131224 These refractory materials in clude Pluago silica graphite coke anthracite zircon flour magnesite Chalmette olivine clays talc chromite alumina mica 31213 The material of which sand moulds and cores are made generally exert influence upon the surface quality of the castings formed from these moulds and cores

Patents Assigned to Westmoreland Advanced Materials

2013920 Justia Patents Patents and Patent Appliion Resources Abstract The present invention provides for a refractory aggregate composition comprising an improved calcium aluminate clinker having the formula CnAx wherein C is calcium oxide and A is aluminum oxide wherein n is an integer from about 1 to about 12 wherein x is an integer from about 1 to about

Production and properties of refractory raw materials

201751 Most of the acid refractory materials can be described on the system Al 2 O 3 SiO 2 Fig 1 This system is characterized by three phases silica mullite and corundum They are thermodynamically stable at high temperature with a congruent melting point at respectively 1726 1853 and 2054 °C re

Method of making cellular refractory thermal insulating

Method of making cellular refractory thermal insulating material United States Patent 3121050 Inventors Ford Walter D Appliion Nuer US5715560A Publiion

Patents Assigned to Westmoreland Advanced Materials

2013920 Justia Patents Patents and Patent Appliion Resources Abstract The present invention provides for a refractory aggregate composition comprising an improved calcium aluminate clinker having the formula CnAx wherein C is calcium oxide and A is aluminum oxide wherein n is an integer from about 1 to about 12 wherein x is an integer from about 1 to about