Centralised practice, with the advent of the Industrial Revolution and its focus on the steel industry, exploded iron ore production, followed by concentrates. In these industries, they process iron ore in different ways to maximise productivity. This iron ore processing can be divided into two categories.
The production of long-grain iron ore is dry and water-free. This method uses a special method to separate unusable and high quality stones . The most important and practical method used in this process is the use of magnetic methods. The final product is grainy iron ore. This product is of poor quality and not suitable for direct regeneration systems. However, it is mainly used in blast furnaces. Production of iron ore concentrates.
Since the normal iron ore content is lower in this process, newer methods are used to increase the iron ore content. These advanced processes will eventually be used to produce iron ore concentrates. Of course, the iron ore processing process brings with it the benefits of the craftsmen who work in this field.
The positive results of this processing include: the processing of iron ore has positive results and various advantages of the work of craftsmen in the steel industry. The benefits of iron ore processing are: Reducing costs and energy consumption during the melting process Reducing costs associated with decontamination processes Reducing pollution By now, we have gathered almost all the important information about iron ore concentrates and are aware of the importance of the availability and use of iron ore concentrates. Now we want to know how the concentrate is made. Production process for iron ore concentrate Process for the production of iron ore concentrate Step 1: Harvest This phase begins with the minerals entering the plant and transferring them to the crusher. These iron ore sizes are about 100 cm and these sizes have to be processed to convert them into smaller sizes. The process of crushing iron ore begins until it finally breaks into pieces of about 20 to 25 centimetres in size. At the entrance of the crusher is a fixed cage drill with holes in certain sizes. Thanks to this process, the iron ore blocks are separated into uniform sizes after entry into the crusher. The size of the serrated holes is the same as the product that comes from the crusher. Accordingly, it can be said that the iron ore blocks are not crushed too much and are all the same size. After this stage, the broken iron blocks move to the next breaking and grinding stage, which is carried out using conveyor belts.
The size and dimensions of the stones are very important at this stage. Due to these dimensions, the stone is broken in two stages. In the stone crushing phase, a traditional method called cone crushing is used.
This reduced the size of the mineral by about 30 mm. In order to avoid over-pollination and to control granulation, pulverisation is carried out in several stages. Step 2: The Sanding God has produced minerals up to 30 mm, and when they reach the mill they are even smaller.
That is, they measure up to about 0.5 to 1 mm. The pulverisation is carried out by pressing rollers or self-destructive or semi-self-destructive mills. Then we go to the next step. Here, the material transformed to 0.5 to 1 grain is crushed again with the help of a ball mill. This time the crushing process is carried out with a ball mill. There must be sufficient moisture where this decomposition takes place. The degree of pulverisation of these materials is controlled by a hydrocyclone.
These already floating fractures are then fed to the next stage using special pumps. Level 3: Enrichment In this stage, the important materials and waste in the crushed materials should be separated. This separation is achieved by separating the magnetic device. Therefore, the enrichment step is also called magnetic separation.
Variants of these devices are drum and water as well as magnetic. When the crushed ore pulp passes these devices, the iron-containing minerals begin to stick to the drum and are collected with special blades, the remaining minerals are collected until they pass under the device and come out.
The separators used here are divided into High Density Gradient and High Gradient, Medium Density and Low Density: Depending on the mineral properties, one of these 4 devices is used. For example, if available concentrates contain sulphur and phosphorus, flotation is used to separate minerals. Step 4: Dehydration It is time to remove the water from the stone and the result will be a piece of jewellery. At this stage, the precious stone-rich iron ore has a certain amount of water that needs to be extracted and the stone completely dried out. There are special filters for this. The concentrate must be stored after the dehydration phase. Once stored, it is time to separate the excess concentrate that needs to be taken to a mechanic for drainage.
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