About Us

MINEVIK Machinery is a leading and pioneering enterprise with the most advanced international level in R&D, manufacturing and selling of large-scale crushing & screening plants and beneficiation plants.

large-scale crushing & screening plants and beneficiation plants.

All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification.

  • In central China-Zhengzhou, covering 140 thousand square meters
  • Win-win cooperation and create more value to customers
  • Exported large quantities and high-end mobile crushing plant and milling equipments to Russia, Kazakhstan, Indonesia, Ecuador, South Africa, Nigeria, Turkey more than 100 countries .

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Our Products

AS a leading global manufacturer of crushing and milling equipment, we offer including quarry, aggregate, grinding production and complete stone crushing plant. We also supply individual crushers and mills as well as spare parts of them.

Services

Our goal is to guarantee the excellent operation equipment with high safety for our customers and minimize the downtime of the machine by predictive maintenance. Kefid service and original accessories can be 100% trusted at the time of maintenance.

SERVICE AND SUPPORT

Minevik service and original accessories can be 100% trusted at the time of maintenance.

ACCESSORIES CENTER

striving to enable customers to get the parts in the nearest place.

SALES MARKET

Our sales market is spread all over more than 100 countries and regions

patent of iron ore process

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US Patent Application for IRON ORE CONCENTRATION PROCESS

Oct 25, 2013· The present invention discloses an advantageous and effective process for the concentration of iron ores, which can be fully dry or mixed, part of the process being dry, part wet. The invention thereby improves process efficiency as a whole by increasing recovery of concentrators and increasing the useful life of the mines.

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US Patent for Iron ore concentration process with grinding

Oct 25, 2013· Opposition to Australian Patent Application No. 2013334500 Iron ore concentration process with grinding circuit, dry desliming and dry or mixed (dry and wet) concentration in the name of Vale S.A., dated May 28, 2018, pp. 1-2.

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US3337328A Iron ore beneficiation process Google Patents

US3337328A US376338A US37633864A US3337328A US 3337328 A US3337328 A US 3337328A US 376338 A US376338 A US 376338A US 37633864 A US37633864 A US 37633864A US 3337328 A US3337328 A US 3337328A Authority US United States Prior art keywords concentrate iron separation ore silica Prior art date 1964-06-19 Legal status (The

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US2799572A Iron ore pelletizing process Google Patents

US2799572A Iron ore pelletizing process and product Google Patents Iron ore pelletizing process and product Download PDF Info Publication number iron ore fines 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

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Process for the direct reduction of iron ores Hamburger

United States Patent 4248623 . Abstract: A process for the direct reduction of iron ore in a shaft furnace having an upper reducing zone and a lower cooling zone in which reducing gas is introduced to the furnace at the bottom of the reducing zone around the periphery of the furnace, exhausted reducing gas or top gas is removed from the top of

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WO2014063211A1 Iron ore concentration process with

The present invention discloses an advantageous and effective process for the concentration of iron ores, which can be fully dry or mixed, part of the process being dry, part wet, such enhancing the process

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Process for the direct reduction of iron ores Hamburger

United States Patent 4248623 . Abstract: A process for the direct reduction of iron ore in a shaft furnace having an upper reducing zone and a lower cooling zone in which reducing gas is introduced to the

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US Patent for Processing of iron-rich rare earth bearing

BACKGROUND OF THE INVENTION. This invention relates to the extracting of rare earth minerals from an iron-rich rare earth-bearing ore. Large deposits of iron-rich rare earth-beari

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BINDER COMPOSITIONS AND PROCESSES OF PREPARING IRON ORE

Binder compositions for agglomerating iron ore fines are provided, the compositions comprising: (a) about 30 to about 80% by weight one or more types of anionic or nonionic acrylamide-containing

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Process for froth flotation of silicate-containing iron ore

United States Patent 6076682 . Abstract: The present invention relates to a process for enriching an iron mineral from a silicate-containing iron ore by carrying out, at a pH of 8-11, a froth flotation in the presence of a depressing agent for the iron

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Microbial reduction of iron ore (Patent) | DOE Patents

Abstract. A process is provided for reducing iron ore by treatment with microorganisms which comprises forming an aqueous mixture of iron ore, microorganisms operable for reducing the ferric iron of the iron ore to ferrous iron

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BETHLEHEM PATENTS IRON ORE PROCESS The New York Times

BETHLEHEM PATENTS IRON ORE PROCESS. Oct. 13, 1961 The Bethlehem Steel Company said that millions of tons of previously unusable iron ores found in the Lake Superior region and in foreign

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Microbial reduction of iron ore (Patent) | DOE Patents

Abstract. A process is provided for reducing iron ore by treatment with microorganisms which comprises forming an aqueous mixture of iron ore, microorganisms operable for reducing the ferric iron of the iron ore to ferrous iron, and a substrate operable as an energy source for the microbial reduction; and maintaining the aqueous mixture for a period of time and under conditions operable to

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Microbial reduction of iron ore (Patent) | DOE Patents

Abstract. A process is provided for reducing iron ore by treatment with microorganisms which comprises forming an aqueous mixture of iron ore, microorganisms operable for reducing the ferric iron of the iron ore to ferrous iron, and a substrate operable as an energy source for the microbial reduction; and maintaining the aqueous mixture for a period of time and under conditions operable to

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Process for froth flotation of silicate-containing iron ore

United States Patent 6076682 . Abstract: The present invention relates to a process for enriching an iron mineral from a silicate-containing iron ore by carrying out, at a pH of 8-11, a froth flotation in the presence of a depressing agent for the iron mineral and a collecting agent containing a combination of an ether monoamine and an ether

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Process for the direct reduction of iron ore to steel

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a steel making process. More particularly, it pertains to a process for the direct reduction of iron ore to iron metal with hydrogen and carbon monoxide in a fluidized bed by a continuous procedure employing (1) a gas generator-chemical separation plant for the production of CO and/or H 2 to be used in the

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Ore pretreatment process EXXON RESEARCH AND

While the process of the present invention has been described in terms of preparing a feed material for a fluidized iron ore reduction process which contains below 0.2 wt. % sulfur, and below 0.10 wt. % phosphorus, it can be readily appreciated by those skilled in the art that the process is equally adaptable for preparing ore concentrates for

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Iron Ore Agglomeration Processes and their Historical

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

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Iron ore pellet process control Nippon Steel Corporation

Iron ore pellet process control . United States Patent 4131668 . Abstract: A method for controlling an iron ore pelletizing and pellet processing operation by evaluating the results of the on-stream analysis of the apparent specific gravity or apparent density distributions of the dry and fired pellet samples which permits the operator of the

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William Kelly (inventor) Wikipedia

William Kelly (August 21, 1811 – February 11, 1888), born in Pittsburgh, Pennsylvania, was an American inventor.He is credited with being one of the inventors of modern steel production, through the process of injecting air into molten iron, which he experimented with in the early 1850s. A similar process was discovered independently by Henry Bessemer and patented in 1855.

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The Six Main Steps of Iron Ore Processing | Multotec Canada

When the iron ore is extracted from the mine, it must undergo several processing stages. Six steps to process iron ore. 1. Screening. We recommend that you begin by screening the iron ore to separate fine particles below the crusher’s CSS before the crushing stage. A static screen is used to divert the fine particles for crushing.

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IRON ORE PELLET PRODUCTION AT LKAB

SWEDISH PATENT MAKES PELLETS FROM ORE During the post-war period of the 50s, there was a strong belief in the future. It was in this period of optimism that LKAB decided to begin producing pellets based on the so called sintering method. The origins of the method come from a patent taken out by A G Andersson in 1912, 1955 thus saw the

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Iron Ore Sintering: Process ResearchGate

draft sintering process (Patent no. US786814). In 1902, a iron ore sintering process, but they must be reconsidered due to the rise of coke price, the unstable supply of anthracites and

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Iron processing | Britannica

Iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned.Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a relatively dense metal with a silvery white appearance and distinctive magnetic properties. It constitutes 5 percent by weight of the Earth’s crust, and it is the

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Re: To Peter: patents for iron ore pelletization and RISE

Re: To Peter: patents for iron ore pelletization and RISE. in response to . Re: To Peter: patents for iron ore pelletization and RISE . by 007. posted on Nov 12, 2020 01:51AM . Dear Peter, On behalf of many shareholders...THANK YOU for that epic response.

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