We Have More Than 40 Years of Experience. [email protected]
  1. Home > 
  2. patent of iron ore process

patent of iron ore process

US2799572A -Iron orepelletizingprocessand product - GooglePatents Iron orepelletizingprocessand product Download PDF Info Publication number ...iron orefines Prior art date 1953-04-03 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as ...

Get Price

Relate Product

WO2014063211A1 - Iron ore concentration process with
WO2014063211A1 - Iron ore concentration process with

This application claims priority from U.S. Patent Application No.61/719,143, titled "Specification for Iron Ore (Itabirite)Concentration Process with Milling Circuit and Dry Desliming and Dryor...

Get Price
CN101294243A - Pelletisation process for iron ore
CN101294243A - Pelletisation process for iron ore

The invention relates to a granulating methodof iron oreconcentrate sintering mixture, and belongs to the metallurgical field. The method solves the technical problem that the granulating method of theiron oreconcentrate sintering mixture is provided, wherein, the granulating method can increase the quality of sintering minerals. The granulating method of theiron oreconcentrate sintering ...

Get Price
US Patent for Iron carbide process Patent (Patent
US Patent for Iron carbide process Patent (Patent

A basicprocessof producingironcarbide by the reductionof iron oreinvolves the use of a fluidized bed reactor in which anironoxide containing feed stock, typically comprising magnetite (Fe.sub.3 O.sub.4) and hematite (Fe.sub.2 O.sub.3), is reduced toironcarbide by action of a reactant gas.

Get Price
US4313757A - Process for upgrading iron ore pellets
US4313757A - Process for upgrading iron ore pellets

In aprocessfor hardening oxidizable greeniron orepellets in a closed horizontal grate or a circular grate furnace adapted therefor, and in which zone the flow of gases is in a downward direction towards the pellets on the grate, the improvement comprising: (a) covering the periphery of at least part of the zone with at least two hoods to provide a hooded area on each side of the top of the ...

Get Price
US20070157761A1 - Google Patents
US20070157761A1 - Google Patents

A method of using aninduction furnacetoprocess iron oreinto an iron product such aspig ironin which iron ore is the main or exclusive source of iron fed into the induction furnace....

Get Price
US Patent Application for ENHANCED BINDERS FOR IRON ORE
US Patent Application for ENHANCED BINDERS FOR IRON ORE

Jun 20, 2017· Theiron orepelletizingprocessagglomerates the fine groundoreinto pellet using binders. The use of pellets increases the productivity in blast furnace and reduces coke consumption. ... and all U.S. and foreignpatentsandpatentapplications are specifically and entirely incorporated by reference. The term comprising, where ever used, is ...

Get Price
Iron processing | Britannica
Iron processing | Britannica

First, in 1856,Henry Bessemerpatented his converter process for blowing air through molten pig iron, and in 1861 William Siemens took out a patent for his regenerative open-hearth furnace.

Get Price
Frank M. Stephens, Jr. Inventions, Patents and Patent
Frank M. Stephens, Jr. Inventions, Patents and Patent

Mar 22, 2000· Process for the production of iron carbide from iron oxide using external sources of carbon monoxide. Patent number:6428763. Abstract: The present invention is a process for the rapid conversion of iron oxide-containing material into iron carbide. The process includes a first step in which the iron oxide-containing material is contacted with a reducing gas that contains a high concentration …

Get Price
Process for the thermal treatment of granulated iron ore
Process for the thermal treatment of granulated iron ore

US Patent for Process for the thermal treatment of granulated iron ore prior to thereduction Patent(Patent # 6,352,572 issued March 5, 2002) - Justia Patents Search The wet granulated iron ore is initially conducted through a drying zone. The ore leaves the drying zone at a temperature of 120-400° C.

Get Price
Microbial reductionof iron ore(Patent) | DOEPatents
Microbial reductionof iron ore(Patent) | DOEPatents

This patent provides a method of reducing sponge iron ore. The process consists of reacting a solid carbonaceous fuel with a gas containing at least 85% oxygen at temperatures suitable for the reduction of sponge iron ore to produce a reducing gas containing at least 70% …

Get Price
USPatentfor Upgrading the nickel content from low grade
USPatentfor Upgrading the nickel content from low grade

1. Aprocessof upgrading nickel from nickel lateriticiron orehaving anironcontent by weight of over 10%, silica of over 25% and a nickel content of at least 0.5%, comprising, grinding theore, thoroughly mixing the groundorewith calcium carbonate, calcium sulphate and coke, spraying the mixedorewith a solution of sodium chloride and making pellets therefrom, drying the pellets ...

Get Price
patent of iron ore process
patent of iron ore process

patent of iron ore process US1865869A Process for the magnetic treatment of iron process iron ores ores ore Prior art date 19260810 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Get Price
USPatentforProcessfor a direct reductionof ironoxide
USPatentforProcessfor a direct reductionof ironoxide

JustiaPatentsWith Consolidation (e.g., Pelletizing, Etc.) Of Solid MetallicIron(fe) Product After Reduction USPatentforProcessfor a direct reductionof ironoxide containing materials to form Fe.sub.3 CPatent(Patent# 5,527,379)

Get Price
Machine
Machine

Processof producing pigironfromiron ore. 1986-5-27 · We claim: 1. In aprocessfor producing pigironby reducingiron oreconcentrate in which solid pre-reducediron ore, coal, oxygen gas, and slag formers are injected beneath the surface of a moltenironbath contained in a reactor vessel, and react to produce said pigiron, slag, and exhaust gases including CO 2, CO, H 2 and H 2 O ...

Get Price
USPatentforProcessfor the production of yellowiron
USPatentforProcessfor the production of yellowiron

1. Aprocessfor the production of yellowironoxide comprising a) adding anironcomponent comprising FeSO 4 or FeCl 2 with an Fe(III) content of 0.5 to 1.5 mol % Fe(III) and a Mn content of up to 0.7 wt. %, based on the Fe content of FeSO 4 or FeCl 2, to a solution or suspension of an alkaline component that has been heated to a temperature of between 42 and 75° C., and

Get Price
Iron OreAgglomeration Processes and their Historical
Iron OreAgglomeration Processes and their Historical

Dec 28, 2015· Pelletizingof iron oreis a method of Swedish origin, patented in 1912 by AG Andersson (Yamaguchi et al., 2010). Theprocesswas developed in the USA in the 1940s, and the first commercial plant started operation in Babbitt, Minnesota in 1952. The firstiron orepellet plant of the grate-kiln type was established at Humboldt Mine, Michigan in ...

Get Price
iron oregrindingpatent- COMO NOOSA
iron oregrindingpatent- COMO NOOSA

「USPatentforIron oreconcentrationprocesswith grinding」Iron oreconcentrationprocesswith grinding circuit, dry desliming and dry or mixed (dry and wet) concentration Oct 25, 2013 VALE S.A. The present invention discloses an advantageous and effectiveprocessfor the concentrationof ironores, which can be fully dry.

Get Price
PyroGenesis to trialiron oreplasma torch - Mining Magazine
PyroGenesis to trialiron oreplasma torch - Mining Magazine

The company, which has developed a 900-kW plasma torch for theprocess, has apatentregistered for "plasma heated furnace foriron orepellet induration", covering a tunnel furnace heated by plasma torches, wherein "the generation of CO2 by the conventionaliron orepelletizing processes is reduced by using electricity powered plasma torches".

Get Price
USPatentforIronremoval from bayerprocessliquor
USPatentforIronremoval from bayerprocessliquor

The following inorganic compoundsof iron, when added to Bayerprocessliquors, form a precipitate of the finely dividedironpresent in:A. Ferric oxide;B. Ferrous salts; orC. Ferrous salts in combination with ferric oxide.The precipitate is removed using a polymeric flocculating agent. This treatment reducesironlevels below those obtained using otherironremoval treatments.

Get Price
iron orepellets-Company Profiles, Project,Process
iron orepellets-Company Profiles, Project,Process

Iron orepellets ExportersPatent. An Apparatus & method for Recycling dust & sludge containingironinironmakingprocessusing coal & fineore.Iron orepelletprocess; Firediron orepellets having macro pores; Manufacturing castironwith pre reducediron orepellets ...

Get Price
Abraham Darby and theIronRevolution
Abraham Darby and theIronRevolution

Nov 05, 2019· He developed theprocessof sand molding that allowedironand brass goods to be mass-produced at a lower cost per unit. Before Abraham Darby, brass andirongoods had to be individually cast. Hisprocessmade the production of castironand brass goods a continuousprocess. Darby received apatentfor his sand casting in 1708.

Get Price
Beneficiationof Iron Ore- Mineral Processing & Metallurgy
Beneficiationof Iron Ore- Mineral Processing & Metallurgy

Beneficiationof Iron Oreand the treatment of magneticirontaconites, stage grinding and wet magnetic separation is standard practice.This also applies toironores of the non-magnetic type which after a reducing roast are amenable to magnetic separation. All such plants are large tonnage operations treating up to 50,000 tons per day and ultimately requiring grinding as fine as minus 500 ...

Get Price
Processfor Manufacturingof IronCarbide – IspatGuru
Processfor Manufacturingof IronCarbide – IspatGuru

It reducesiron oretoironcarbide in a fluidized bed reactor, by contacting theiron orewithprocessgas consisting primarily of methane (CH4) and hydrogen (H2). Theprocessfor the manufacturingironcarbide was originally designed and developed at Hazen Research Inc. in Golden, Colorado, USA by the technical vice president Dr. Frank M ...

Get Price
BETHLEHEMPATENTS IRON ORE PROCESS-The New York Times
BETHLEHEMPATENTS IRON ORE PROCESS-The New York Times

BETHLEHEMPATENTS IRON ORE PROCESS. Oct. 13, 1961 ... The Bethlehem Steel Company said that millions of tons of previously unusableironores found in the Lake Superior region and in foreign ...

Get Price
(PDF)Iron OrePelletizingProcess: An Overview
(PDF)Iron OrePelletizingProcess: An Overview

Oct 06, 2017· This chapter aims to provide an overview and the evolutionof iron orepelletizingprocess. ... T able 3 shows somepatentsfrom chemical industries claiming the employment of organic.

Get Price
Iron OreProcessing - SchenckProcess
Iron OreProcessing - SchenckProcess

SchenckProcesshas been an international expert atiron oreprocessing. Our applications, ranging from weighing, feeding, screening and automation, are suitable for different kindsof iron oreprocessing to enhance theiron orerecovery rate.

Get Price
toTop
Click avatar to contact us
Hi,may I help you with products, price, etc?
Chat Online