Vanadium is an important chemical raw material with important applications in the steel, chemical and aerospace industries. Adding vanadium to steel can significantly improve the wear resistance, strength, hardness and toughness of steel. 0.1% vanadium can increase the strength of steel by 10%-20%, reduce the weight of steel by 15-25% and reduce the production cost of steel by 8-10%.
China's mineral processing plants commonly use a three-stage open circuit crushing process, namely coarse, medium and fine stages.
The first stage of coarse crushing completes the metering, crushing and transportation of the ore, and the coarse crushed product particle size is usually between 350-0 mm, which enters the medium crushing operation stage through a conveyor. Prior to medium crushing, an ore storage tank and a flat feeder are provided to control the feed and metering of the crushing unit; after medium crushing, the particle size is approximately 75 mm to 0 mm.
Usually a pre-screen is provided before medium crushing to increase the capacity of the crushing plant and to improve the crushing working environment; since the pre-screening is done according to the particle size of the medium crushed product, the product under the screen will fall on the tape conveyor first, so the conveyor will not be damaged by the strong impact of the large pieces of ore falling afterwards.
Fine grinding is the final crushing process, to produce qualified finished products, the vanadium and titanium ore grinding equipment is selected for grinding, so it has high requirements. In open circuit crushing, a pre-screening is usually set up to crush the product on the screen again until a product that meets the particle size requirements is obtained, and then combined with the product under the screen, which is the final crushed product. After fine grinding by vanadium and titanium ore grinding equipment, the iron ore usually has a particle size of 25-0 mm.
The ore has to go through multi-stage crushing, multi-circulation, multi-tank storage and other processes to meet the mixing requirements, which has a crucial impact on the stability of the grinding and beneficiation process.
The particle size requirement for common ore: 325 mesh sieve margin is less than 1. 5%. Therefore, vanadium and titanium ore powder mill is a kind of mill to meet this kind of processing conditions, it is a common mill. Vanadium and titanium ore powder mill is a kind of ring drum grinder, which relies on the gravity of the oscillating wheel, and the centrifugal force to crush and grind the iron ring to achieve the crushing effect on the material.
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