Discovery of skarn iron-rich deposit based on gravity and …
In the early stage, thick skarn iron-rich deposits were successively revealed in the northern Litun and southern Dazhang gravity and magnetic anomalies, and great progress has been made in …
Vale successfully tests new briquette for direct reduction that …
Vale has successfully tested a new type of iron ore briquette, adapted for the direct reduction route, which will contribute to the decarbonization of steel production, supporting the steel industry's efforts to meet emission reduction targets worldwide. The new type of briquette emits about 80% less CO2 compared to pellets in its manufacture ...
CN114441574A
CN114441574A - Method for measuring contents of potassium, sodium, lead and zinc in iron ore - Google Patents Method for measuring contents of potassium, sodium, lead and zinc in iron ore Download PDF ... Shandong Iron and Steel Group Yongfeng Lingang Co Ltd Priority date (The priority date is an assumption and is not a legal conclusion. ...
Iron, boron, and sulfur isotope constraints on the ore …
The well-preserved Ashele subseafloor replacement-style volcanogenic massive sulfide (VMS) deposit in the Central Asian Orogenic Belt comprises two stages of Cu mineralization, i.e., early massive sulfides dominated by colloform and euhedral pyrite intergrown with chalcopyrite and sphalerite, which were replaced by late vein-dominated chlorite …
FR1390331A
iron ore enrichment process ore enrichment iron ore Prior art date 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.) ... Priority to FR960099A priority Critical patent/FR1390331A/en ...
US3364010A
Iron ore reduction Download PDF Info ... Priority to US510252A priority Critical patent/US3364010A/en Application granted granted Critical Publication of US3364010A publication Critical patent/US3364010A/en Anticipated expiration legal-status Critical
Iron Ore prices, news and research
Shandong Luzhong Mining to increase iron ore fine output [10-09] Market News. more>> Iron Ore. Iron. Steel Scrap. Billet. Chinese origin iron ore prices move down [09-19] Chinese origin iron ore prices drop [08-20] Chinese origin iron ore prices decrease [07-16] Chinese origin iron ore prices slip [05-21]
Large high-grade iron ore deposit found in east China
The Department of Natural Resources of Shandong Province has identified 16 high-grade iron ore bodies in the Qihe-Yucheng region. High-grade iron ore typically has a …
EP1692319B1
A process for producing iron ore agglomerates comprising agglomerating fine iron ore particles in the presence of a binder system wherein the binder system comprises a binder and alkali metal silicate and wherein the alkali metal silicate is present in an amount of between 0.0001 to 0.07 percent by weight, based on the total weight of dry iron ...
CN101050705A
The present invention relates to a high sublevel mining method for iron mine, belonging to the field of underground or ground mining method technology. It is characterized by that its sublevel height is 20 m-25 m; mine chamber parameter is 45 m X 40 m; mining area blasting parameters are: row distance is 2m, hole bottom distance is 2.5-3.0 m and deep hole diameter is 100 mm; …
US Patent Application for Iron Ore Pellets Patent …
CROSS REFERENCE TO RELATED APPLICATIONS. This application is a national stage of PCT Patent Application No. PCT/GB2018/051010, entitled "Iron Ore Pellets" to Pickett, filed Apr. 18, 2018, which claims priority to United Kingdom Patent Application No. 1706116.9, entitled "Iron Ore Pellets" to Pickett, filed Apr. 18, 2017, the disclosures of which …
Mineral separation process of magnetic iron ore
The invention discloses a beneficiation method for a pure magnetic iron ore. A crude ore is sequentially treated according to the steps such as first crushing, first-stage dry-type magnetic dressing, medium crushing, second-stage dry-type magnetic dressing, fine crushing and third-stage dry-type magnetic dressing, fine ore is obtained after a great amount of gangues are …
CN101204681A
The refined iron ore is recycled from the red mud by the invention so as to fully employ aluminum ore, save resources and energy consumption and neutralize the whole red mud. ... Benefication method for recovering ilmenite from iron tailings in Shandong area CN100571877C (en) ... Transfer of patent application or patent right or utility model ...
Fluidized bed type reducing system for reducing fine iron ore
FIELD OF THE INVENTION. The present invention relates to a fluidized bed type reducing system for reducing a fine iron ore. More specifically, the present invention relates to a fluidized bed reducing system for a fine iron ore, in which the structure of the fluidized bed reducing furnace is improved such that a fine iron ore having a wide particle size distribution …
Brazilian company patents innovative dry iron ore …
By doing this, desired levels of commercialization are achieved and New Steel can produce a highly pure iron ore concentrate in an industrial scale by obtaining a premium product of up to 68% iron ...
PROCESS FOR DRY BENEFICIATION OF FINE AND VERY FINE …
U.S. Pat. No. 9,327,292 uses a system comprised of a dryer, a series of air classifiers and magnetic separators to recover iron ore from moderately coarse to fine, low …
Shandong acquires Tonkolili iron ore mine from African …
Chinese steel company Shandong Iron and Steel Group said it had acquired the remaining 75 per cent stake in the Tonkolili iron ore mine in Sierra Leone from the mining company African Minerals for ...
Iron ore pellet iron-rich composite bonder and preparation …
A technology for iron ore balls and binders, applied in the field of iron ore pellet binders, can solve the problems of reducing the iron content of finished pellets, etc., and achieve the effects of improving high-temperature metallurgy performance and reducing iron-making costs. ... According to the survey, iron sludge is an industrial by ...
Method for agglomerating iron ore fines
a method of agglomerating iron ore fines comprising blowing fines, fuel and air into a chamber, burning the fuel in the chamber to heat the fines to a temperature of about 450 to 650 F., moistening the gases and fines in the chamber with an atomized spray of relatively cool water which does not immediately vaporize, thereby producing a water content of about 15 to 20 …
CN102312086B
The invention relates to iron ore powder balling equipment which comprises a PLC (Programmable Logic Controller) control program, hydraulic stations controlled by the PLC program and a mechanical part. The mechanical part has a buffer bin; a measuring hopper controlled by an electric valve is arranged under the bin; a discharge pipe which can be driven …
Iron ore pelletizing process and product
An indurated iron ore pellet having unusually high crushing strength and comprising a core portion composed of particles of iron ore and a casing of refractory material covering the core and bonded thereto, said pellet having properties and characteristics obtainable by forming a ball-like body of moist iron ore fines, rolling this body in ...
Method of agglomerating iron ore fines
United States Patent 3,185,564 METHOD OF AGGLOMERATING IRON ORE FINES Richmond E. Perry, 432 16th Court NW., Birmingham, Ala. No Drawing. Filed Apr. 24, 1964, Ser. No. 362,529 31 Claims. (Cl. 75-3) (Granted under Title 35,1U.S.:C0de (1952), see. 266) I This application is a continuation-in-part of my application Serial No. 857,235, filed ...
CN101104881A
The invention discloses an iron ore calcinations process, which comprises (1) detecting and regulating the weight proportions of siderite (FeCO3) and hematite (Fe2O3) in the iron ore, if the content of siderite (FeCO3) in the iron ore is low, the siderite (FeCO3) is added to allow the weight ratio of siderite to hematite is larger than or equal to 0.725; (2) crushing iron ore or a …
TISCO (Shandong) Iron and Steel Group Co., Ltd.
Taigang (Shandong) Iron and Steel Group Co., Ltd. was established in 2002. In 2006, the company transformed and focused on the operation of the steel supply chain, and has now developed into a top-ran-TISCO (Shandong) Iron and Steel Group Co., Ltd.
Hsingkuo Iron Ore Deposit In Shandong, China | The …
The Hsingkuo Iron Ore Deposit plays a crucial role in the mining industry of Shandong and has a long history of extraction, contributing to both the local economy and the global steel …
Iron ore beneficiation by selective flocculation
iron ore iron flocculant flocculation Prior art date 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.) ... Priority to US06/092,002 priority Critical patent/US4274945A/en ...
China-backed JV wins rights to prized Simandou iron ore …
A Chinese-backed joint venture has secured the rights to develop Simandou, one of the world's biggest untapped deposits of steelmaking ingredient iron ore. The award to the …
US4114956A
a dispersant such as lignosulfonate in an amount of from 0.02 to 0.4 percent by weight based on iron ore content is added to the slurry to reduce its viscosity and from 0.01 to 0.2 percent by volume of an organic polymer, preferably a high molecular weight water-soluble polyacrylamide (PAM), are added to the slurry to increase its carrying capacity and to prevent drop-out of the …
US3765869A
Green (nonfired) pellets of iron ore are prepared by pelletizing the iron ore and 2 to 8 percent by weight of finely divided metallic iron with a particle size below 45 microns in the presence of an aqueous solution, suspension or dispersion of an organic binder, preferably a carbonhydrate. Surprisingly, the low-temperature binder, i.e. the starch, dextrine or the like, in combination …
IRON ORE DAILY: Index for 63% Fe lump premium hits …
Fastmarkets' index for iron ore 65% Fe Brazil-origin fines Iron Ore Carajas: $241.00-244.20 per tonne cfr China. Port prices Pilbara Blend fines were traded at 1,435-1,445 yuan per wmt in Shandong province, Tangshan and Tianjin city on Wednesday, compared with 1,400-1,420 yuan per wmt on Tuesday.