Introduction to Iron ore
Iron ore is an important industrial source, is an iron oxide ore, a mineral aggregate containing iron elements or iron compounds that can be economically utilized, and there are many types of iron ore. Among them, the iron smelting products mainly include Magnetite, siderite, and hematite and so on. Iron exists in nature as a compound, and iron ore can be gradually selected after natural iron ore is crushed, milled, magnetically selected, flotation, and reselected. Therefore, iron ore is an important raw material in the field of steel production; generally iron ore grade less than 50% needs to go through the dressing before smelting and utilization. At present, the current status of the integrated steel industry and the resource characteristics of China's iron ore resources must be continuously improved in China's metallurgical ore beneficiation process in order to promote the rapid development of the industry, equipment investment in crushing and grinding operations, production costs, electricity consumption and steel consumption and other factors will largely determine the development of the industry and market efficiency.
Application of Iron ore
Main application areas of iron ore is the steel industry. In nowadays, steel products are widely used in the national economy and people's daily lives, is the basic material necessary for social production and life, steel as one of the most important structural materials in the national economy, occupies an extremely important position and has become an important pillar for social development.
Steel, steel production, variety, quality has always been a measure of a country's industrial, agricultural, national defense and science and technology an important symbol of the level of development, of which iron as the basic raw material for the steel industry, is an important raw material supporting the entire steel industry, iron ore plays a huge role in steel industry, can be smelted into pig iron, wrought iron, ferroalloy, carbon steel, alloy steel, special steel, pure magnetite can also be used as a catalyst for ammonia.
In order to give full play to the advantages of iron ore resources, in light of the characteristics of iron ore lean ore, less rich ore, more associated minerals, complex ore components and mostly finer grain size of ore ores, the ore dressing technology and ore dressing equipment need to keep pace with time, can we comprehensively improve the quality of iron ore products, quantity and comprehensive economic efficiency of enterprises.
Process flow of iron ore pulverization
Iron ore ingredient analysis sheet
|
IngredientVariety |
Containing Fe |
Containing O |
Containing H2O |
|
Magnetite iron ore |
72.4% |
27.6% |
0 |
|
Hematite iron ore |
70% |
30% |
0 |
|
Limonite iron ore |
62% |
27% |
11% |
|
Siderite iron ore |
Main ingredient is FeCO3 |
||
Iron ore powder making machine model selection program
|
Specification |
End product fineness :100-200mesh |
|
Equipment selection program |
Vertical grinding mill or Raymond grinding mill |
Analysis on grinding mill models
1.Raymond Mill, HC series pendulum grinding mill: low investment costs, high capacity, low energy consumption, equipment stability, low noise; is the ideal equipment for Iron ore powder processing. But the degree of large-scale is relatively lower compared to vertical grinding mill.
2. HLM vertical mill: large-scale equipment, high capacity, to meet the large-scale production demand. Product has high degree of spherical, better quality, but the investment cost is higher.
3. HCH ultrafine grinding roller mill: ultrafine grinding roller mill is efficient, energy-saving, economical and practical milling equipment for ultrafine powder over 600 meshes.
4.HLMX ultra-fine vertical mill: especially for large-scale production capacity ultrafine powder over 600 meshes, or customer who has higher requirements on powder particle form, HLMX ultrafine vertical mill is the best choice.
Stage I: Crushing of raw materials
The large Iron ore material is crushed by the crusher to the feed fineness (15mm-50mm) that can enter the grinding mill.
Stage II: Grinding
The crushed Iron ore small materials are sent to the storage hopper by the elevator, and then sent to the grinding chamber of the mill evenly and quantitatively by the feeder for grinding.
Stage III: Classifying
The milled materials are graded by the grading system, and the unqualified powder is graded by the classifier and returned to the main machine for re grinding.
Stage V: Collection of finished products
The powder conforming to the fineness flows through the pipeline with the gas and enters the dust collector for separation and collection. The collected finished powder is sent to the finished product silo by the conveying device through the discharge port, and then packaged by the powder tanker or automatic packer.
Application examples of iron ore powder processing
Model and number of this equipment: 1 set of HLM2100
Processing raw material: iron ore
Fineness of finished product: 200 mesh D90
Capacity: 15-20 T / h
The engineers of Guilin Hongcheng are conscientious and responsible from intentional ordering, field investigation, production, commissioning to installation. They not only successfully completed the delivery task, but also the equipment operation site situation is considerable, the equipment operation is stable, the performance is reliable, the production efficiency is very high, and the energy conservation is also relatively environmental protection. We are very satisfied and confident in Hongcheng's equipment.
Post time: Oct-22-2021
