[Case] Collection of Xinhai iron ore beneficiation test plan design projects!

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Iron is one of the important mineral resources in my country. Although there are many iron ore resources in China, most of them are "poor and fine" ores, and there are many polymetallic symbiotic composite deposits. In order to fully separate the monomers and realize mineral processing It is quite difficult. Therefore, it is necessary to design a suitable mineral processing process through experimental analysis to dissociate iron minerals into monomers as much as possible, improve iron mineral processing indicators, and increase return on investment. The following introduces the design plans of some of the iron ore beneficiation test projects completed by Xinhai Mining.

1. China Iron Concentrate Powder Sulfur Removal Test Project

Project Overview:Entrusted by the company, Xinhai Mining undertook the iron concentrate desulfurization test optional test research project to determine the iron ore desulfurization process and ideal process index. The multi-element analysis test results of the raw ore show that the TFe grade in the raw ore is 60.92% and the sulfur grade is 3.36%

Xinhai Plan: The grinding particle size is -200 mesh Under the conditions of accounting for 51.1%, carrying out one coarse, two sweep and two fine flotation - two stages of magnetic separation operations, an iron concentrate yield of 69.11%, a TFe grade of 70.44%, and a recovery rate of 79.84% can be obtained. The sulfur grade in the concentrate is 0.16%.

2. Malaysian iron ore beneficiation pilot project

Project Overview:The main metal mineral in the ore of this project is iron oxide , mainly hematite and magnetite, the gangue minerals are mainly mud containing aluminum and silicon, and the mud is serious. The iron grade of the raw ore is 40.91%, and the sulfur grade is 0.18%. It is a difficult-to-be-separated iron ore. Xinhai Mining Research Institute focuses on experimental research and analysis of ore mineral characteristics and mineral processing process characteristics, mineral processing methods, process flow structures, mineral processing indicators, process conditions, etc., and conducts magnetic separation, magnetic separation + reverse flotation, and roasting +Experimental comparative study of three wet magnetic separation process plans.

Xinhai Plan: After comparative testing of various technological processes, the yield and grade of the iron concentrate obtained by the weak magnetic separation process are lower; the iron concentrate obtained by the magnetic separation + reverse flotation process The concentrate cannot meet the requirements for industrial iron powder; using the raw ore roasting + wet magnetic separation process, an iron concentrate with a yield of 41.05%, an iron grade of 57.75%, and an iron recovery rate of 57.87% can be obtained.

3. Indian iron ore beneficiation pilot project

Project Overview:After the mineral processing test, Xinhai Mine installed The raw ore of this project has an iron grade of 56.60%, and only the iron element in the ore has recovery value. Iron minerals mainly exist in the form of magnetic iron minerals. The distribution characteristics of raw ore iron minerals and ore minerals are uneven, and the particle size is medium-fine and micro-fine.

Xinhai Plan:The test results show that as long as the iron mineral particles are separated into monomers, the iron minerals can be enriched and separated, that is, coarse grinding Magnetic separation and tailing to achieve the purpose of improving the grade of iron concentrate. Finally, Xinhai Mining recommended the staged grinding stage magnetic separation and tailing process.

4. Iran Copper-Iron Ore Beneficiation Pilot Project

Project Overview: Through multi-element analysis of the raw ore, Xinhai Mining concluded that the raw ore of the project contains 59.76% iron and 0.12% sulfur. The main metallic mineral is magnetite, and the main non-metallic minerals are aluminosilicates and other minerals.

Xinhai Plan:Xinhai Mining conducted systematic condition tests and process tests on the iron ore, and recommended the use of stage grinding and stage separation. The raw ore is discarded, and the coarse concentrate is reground. The regrind size is -200 mesh, accounting for 39.6%. Through weak magnetic separation, the yield can be 86.15-86.17%, the iron grade is 65.84-65.86%, and the recovery rate is 95.21-95.22%. of iron ore.

The above is part of the iron ore beneficiation test design plan completed by Xinhai Mining, and shows the relevant design flow chart. If you also have iron ore that needs to be sorted, you can contact Xinhai to help you do the beneficiation test. Design the iron ore beneficiation process flow, iron ore beneficiation construction plan and complete set of iron ore beneficiation equipment.

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