Mining crushing equipment

Introduction: VSI is the abbreviation of Vertical Shaft Impact. Vertical shaft impact crusher is an efficient fine crushing and shaping equipment, mainly used for crushing and shaping of medium and high hardness materials. It is widely used in sand and gravel production, mining, construction, building materials and other industries, especially in the field of artificial sand making and stone shaping. It ejects the material through the high-speed rotating rotor, and crushes the material through impact, collision and friction. Compared with other types of crushers, VSI crusher has a unique structure and working principle. Working principle: Material enters the crushing chamber: The material enters from the feed port of the crusher and falls on the high-speed rotating rotor. The rotor is the core component of the VSI crusher, usually driven by a motor, with a very high speed (up to 60-70 m/s). Rotor accelerates the material: The rotor in the crusher rotates at high speed and accelerate...

Vibrating screen is an important screening machine used by various industries to classify materials according to particle size. It is a tool that downstream production feed particle size in industries such as aggregates, mining and construction depends on. Vibrating screen s can be divided into circular vibrating screen s and linear vibrating screen s according to design and vibration form. Different working principles Circular vibrating screen : The vertical vibrating motor generates three-dimensional vibration, which makes the material move in a spiral motion on the screen surface, thereby achieving screening. The material enters from the center and gradually spreads outward. Fine particles pass through the screen and coarse particles are discharged from the discharge port. It is widely used in material screening in industries such as ore, coal, fertilizer, and building materials, especially for screening operations of medium-sized materials. Linear vibrating screen: It is an effici...

What is a vibrating screen ? Vibrating screen is a screening equipment widely used in mining, metallurgy, coal, building materials and other industries. It separates materials of different particle sizes by vibration, and is usually used for grading and screening of liquid or solid particles. The working principle of the vibrating screen is to make the material do parabolic motion on the surface of the screen through the strong vibration generated by the vibrating motor or vibrator, and separate materials of different particle sizes through the screen. There are many types of vibrating screen s according to different structural forms and working principles. Common ones include circular vibrating screens, linear vibrating screens, circular vibrating screens, etc. They can be selected according to the required screening accuracy, processing capacity, working environment, etc. Composition structure of vibrating screen The vibrating screen is mainly composed of a screen box, a vibrator, ...

Cone crusher is a very common mining crushing equipment. The crushing chamber is conical and is mainly used for crushing various ores of medium hardness and above. It adopts the extrusion crushing principle of the conical crushing chamber, with high crushing efficiency, large processing capacity, convenient operation, and low later maintenance cost. It is widely used in metallurgy, construction, mining, chemical industry and other industries. Below, New High-end Heavy Industry will introduce in detail the classification, advantages and application fields of cone crushers. Classification of cone crushers Single cylinder hydraulic cone crusher Single-cylinder hydraulic cone crusher is a high-efficiency crusher designed in combination with the performance of metal materials. The unique bottom single-cylinder design realizes functions such as direct adjustment of the discharge port, iron prevention, and cleaning of the cavity. It is mainly composed of upper frame, fixed cone, lower frame, ...

Limonite is a secondary iron ore with a high iron content, generally around 50%. The main component of limonite is iron oxide, which is generally brown and is a natural multi-mineral mixture. Usually, limonite is irregular, strip-shaped or earthy, and has a relatively soft texture. The formation of limonite is relatively complex. Under the mutual sulfidation of acidic igneous rocks and  limestone s, the sulfide gradually turns into limonite, and then after a long oxidation, it evolves into the iron cap limonite deposit today. The answer is: FeOOH or Fe₂O₃·nH₂O (n=1～3) From the chemical formula, we can see that limonite is mainly composed of iron and oxygen elements, and contains a certain amount of crystal water. When the chemical formula of limonite is FeOOH, it means that the iron element mainly exists in the form of iron hydroxide. When the chemical formula of limonite is Fe₂O₃·nH₂O, it indicates that the iron element mainly exists in the form of ferric oxide. Limonite propert...

Introduction Antimony is a potentially toxic and carcinogenic metalloid element in nature. It exists in the form of various antimony minerals. There are as many as 120 known antimony-containing minerals. Only minerals containing more than 20% of antimony have industrial value, and there are only more than 10 kinds. Physical properties of antimony Antimony is a gray metal element with a metallic luster. It exists in solid form at room temperature and generally exists in a silver-gray or silver-white rhombus crystal structure. Antimony has a large specific gravity, but poor electrical and thermal conductivity. The melting point, boiling point and density of antimony are 631℃, 1587℃ and 6.68g/cm³ respectively. It is a soft metal with a hardness of about 3. Antimony also has unique characteristics of thermal contraction and cold expansion and a decrease in resistivity with increasing temperature. Chemical properties of antimony The chemical symbol of antimony is Sb. It does not have red...