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Ore Processing
  • Classification, Uses and Sorting Processes of Various Types of Ores! Classification, Uses and Sorting Processes of Various Types of Ores! Jun 08, 2024
    The classification and use of ores are very wide. We classify them based on many factors such as the chemical composition, physical properties and industrial applications of minerals. The following are the types of metal ores and non-metallic ores that can be roughly sorted. Metal ore Metal ores are ores containing metal elements or metal compounds, and are mainly used to extract metals. Depending on the metals they contain, metal ores can be subdivided into the following categories: 1. Precious metal ores: such as gold, silver, platinum group metal ores, etc., are mainly used in the manufacture of jewelry, currency reserves and some high-tech products. 2. Non-ferrous metal ores: including copper, lead, zinc, aluminum, etc., which are widely used in wires and cables, building materials, automobile manufacturing, aircraft manufacturing, electronic products and other fields. 3. Ferrous metal ores: such as iron ore, manganese ore, and chromium ore, which are mainly used in the production of steel and other alloys. 4. Rare metal ores: such as tantalum, niobium, lithium, etc., are crucial to high-tech industries such as electronics, aerospace, and new energy vehicles. 5. Radioactive ores: such as uranium ore and thorium ore, which are mainly used in nuclear power generation and medical fields. After mining, crushing, beneficiation and refining, these ores can be refined into metals, which are processed into various products and widely used in various industries such as construction, machinery manufacturing, electronics, transportation, aerospace, etc. Non-metallic ores Non-metallic ores contain no or almost no metal elements. They either provide industrial raw materials or are used as decorative and building materials. 1. Chemical raw material ores: such as phosphate rock, potash, limestone, etc., used in the manufacture of fertilizers and chemical products. 2. Gemstones and decorative stones: such as diamonds, rubies, jade, marble, granite, etc., used in jewelry and architectural decoration. 3. Building material ores: such as gypsum, quartz sand, and limestone, used in cement, glass manufacturing and the construction industry. 4. Ceramic and refractory ores: such as kaolin and clay, used to make ceramic utensils and high-temperature resistant materials. 5. Energy minerals: such as coal, oil, and natural gas. Although they do not strictly belong to the traditional mineral classification, they are also important natural resources and are mainly used for energy supply. In addition to being used as a building material, it is also used to manufacture chemicals, medicines, cosmetics, ceramic products, glass products, etc. It is also widely used in agriculture, environmental protection and high-tech industries. In summary, ores are various and have a wide range of uses. From metal ores to non-metallic ores, from energy ores to construction ores and chemical raw material ores, they all play an important role in their respective fields. The mining and utilization of ores is one of the foundations of modern industrial society. However, the mining process needs to consider environmental protection and sustainable development. With the advancement of science and technology and the development of industry, human demand for ores will continue to increase, and the mining and utilization of ores will become more efficient and environmentally friendly. In order to make full use of various metal and non-metallic ore resources, suitable mineral processing technology is selected for separation in combination with the physical and chemical characteristics of the ore. At present, the common mineral processing methods are mainly the following: Flotation: It is a method of separation by treating the physical and chemical properties of the ore surface to make the minerals selectively attach to bubbles. In the process of mineral processing, especially in the treatment of non-ferrous metal ores (such as copper, lead, zinc, sulfur, molybdenum, etc.), flotation is widely used. In addition, some ferrous metals, rare metals and non-metallic ores (such as graphite ore, apatite, etc.) can also be treated by flotation. Gravity separation: It is a method of separation based on the relative density (also called specific gravity) of minerals. By applying fluid dynamics and various mechanical forces in a moving medium (such as water or air), the concentrators of different densities can create suitable loose stratification and separation conditions, thereby achieving the separation of mineral particles of different densities. Magnetic separation: It is a method of separating ores by using the magnetic difference of minerals to generate different forces in the magnetic field of the magnetic separator. It is mainly used for the separation of ferrous metal ores (such as iron, manganese, and chromium), and can also be used for the separation of non-ferrous metal and rare metal ores. Electrostatic separation: It is a separation method based on the difference in the electrical conductivity of minerals. By placing the minerals in a high-voltage electric field, the electrostatic force acts differently due to the different electrical conductivity of the minerals, thereby achieving the separation of minerals. This method is mainly used for the separation of rare metals, non-ferrous metals and non-metallic ores, especially in the separation of sub-mixed coarse concentrates, such as scheelite and cassiterite, zircon, tantalite and niobium ore. Chemical beneficiation: It is a beneficiation technology that uses chemical methods to change the mineral composition and then enriches the target components through other methods. For example, copper ore containing malachite can be leached with dilute sulfuric acid to convert malachite into copper sulfate solution. By replacing the copper ions in the solution with iron filings, metallic copper (sponge copper) can be obtained. Chemical beneficiation is one of the effective methods for processing and comprehensively utilizing some poor, fine, and impure mineral raw materials that are difficult to be selected. It is also one of the important ways to make full use of mineral resources, solve the problems of wastewater, waste residue, and waste gas treatment, realize waste recycling, and protect the environment. Microbial beneficiation: also known as bacterial beneficiation, is a beneficiation method that uses microorganisms such as iron-oxidizing bacteria, sulfur-oxidizing bacteria, and silicate bacteria to remove iron, sulfur, silicon and other elements from ores. By using iron-oxidizing bacteria to oxidize iron, sulfur-oxidizing bacteria to oxidize sulfur, and silicate bacteria to decompose silicon in bauxite, the purpose of desulfurization, iron removal and silicon removal can be achieved. In addition, microbial beneficiation can also be used to recover metals such as copper, uranium, cobalt, manganese, and gold. https://www.mdoresorting.com/mingde-ai-sorting-machine-separate-phosphorite-ore Photoelectric beneficiation: It is a beneficiation method that uses the physical characteristics of the ore to be beneficiated and the gangue to identify and sort. It uses a combination of machinery and electricity to separate minerals by imitating the action of hand selection. It uses the differences in the reflection and transmittance of light of different minerals, such as color, texture, shape, gloss, spots, density and other characteristic differences for identification and sorting. The ore is mainly separated after passing through the feeding system, photoelectric system, electric control system and sorting system. As a leader in the photoelectric mineral processing industry, Mingde Optoelectronics has launched a series of equipment, involving five series and more than 20 types of equipment, mainly artificial intelligence sorting machines, ore color sorting machines, mineral sand sorting machines, X-ray intelligent sorting machines, foreign body removal robots and other products. At present, it is widely used in metal and non-metallic minerals such as quartz, potassium feldspar, calcite, calcium carbonate, dolomite, fluorite, talc, wollastonite, bauxite, pegmatite quartz, limestone, calcium oxide, sponge titanium, silicon slag, gold mine, pebbles, phosphate rock, silica, brucite, tungsten tailings, coal gangue, coal-bearing kaolin, etc.!
  • Comprehensive Analysis of X-ray Intelligent Ore Sorting Machine Comprehensive Analysis of X-ray Intelligent Ore Sorting Machine Jul 27, 2024
    I. Overview X-ray intelligent ore sorting machine is an advanced equipment that uses X-ray technology combined with artificial intelligence algorithms to efficiently sort ore. It can realize the rapid and accurate identification and sorting of ore during ore processing, thereby improving the utilization rate of ore, reducing processing costs, and reducing the impact on the environment. II. Working Principle Intelligent ore sorting machine mainly uses X-ray technology, through the transmission ability of X-rays to the internal structure of ore, combined with advanced image processing algorithms and artificial intelligence technology, to achieve rapid identification and sorting of ore. Specifically, X-ray sorting technology can form Compton effect differences according to the different density, thickness, atomic sequence and other characteristics of ore, thereby realizing the separation of ore and waste rock. The technical advantage of intelligent ore sorting machine lies in its high-precision recognition ability and high degree of automation and intelligence. It can not only improve the processing efficiency of ore, but also reduce environmental pollution, which is in line with the trend of sustainable development of mining. III. Equipment Composition The X-ray intelligent ore sorting machine is mainly composed of the following parts: Vibration distribution system: responsible for evenly distributing the ore on the conveyor belt to ensure that the ore is laid flat in a single layer for efficient sorting. X-ray transmission detection system: including X-ray generators and receivers, used to transmit ore and analyze the internal structure and density differences of the ore. High-definition image recognition system: composed of high-brightness light source and high-definition digital camera, it images the surface features of the ore and provides auxiliary identification information. Computer software algorithm system: through deep learning technology, various characteristic information of ore is studied, and an ore sorting training model is constructed to achieve fast and accurate identification of ore data. Pneumatic mine waste separation system: through the air valve array driven by high-speed actuators, the ore is separated, the waste rock is blown into the waste rock trough, and the useful minerals fall into the sorting bin. https://www.mdoresorting.com/x-ray-manganese-vanadium-sorting-machine IV. Workflow The workflow of the X-ray intelligent ore sorter mainly includes the following steps: Feeding system: After cleaning and grading, the ore is fed into the vibrating feeder, and the ore is evenly distributed on the conveyor belt through mechanical vibration, forming a single-layer flat state and entering the detection area. X-ray transmission detection: The X-ray source continuously transmits the ore, and the X-ray transmission detection system analyzes the density and structure inside the ore through the X-ray generator and receiver. Image processing: The high-definition image recognition system images the surface features of the ore, and the industrial computer processes it. Through the established model recognition and algorithm, useful minerals and gangue minerals are distinguished. Sorting execution: According to the recognition results, the high-speed actuator drives the gas valve array to sort the ore, blow the gangue minerals into the waste rock tank, and the useful minerals fall into the corresponding sorting bin. V. Technical Advantages High recognition accuracy: The X-ray intelligent ore sorter adopts high-precision X-ray transmission technology, with a recognition accuracy of up to 0.4mm, realizing the detection of the internal features of the ore without blind spots. Strong processing capacity: The equipment can handle ores of different particle sizes, and can effectively sort ores from small particles to blocky ores. Energy saving and environmental protection: Compared with traditional hand sorting and mechanical sorting, the X-ray intelligent ore sorting machine does not require water, which reduces energy consumption and environmental pollution. High degree of intelligence: Combined with artificial intelligence, the sorting machine can self-learn and optimize to adapt to the characteristics and sorting requirements of different ores.   VI. Reliability Analysis The reliability of the X-ray intelligent ore sorting machine depends on multiple factors, including but not limited to: Technical maturity: With the continuous development and improvement of technology, the technical maturity of the X-ray intelligent ore sorting machine continues to improve, and its reliability is enhanced accordingly. Equipment structure design: Reasonable structural design can improve the stability and durability of the equipment and reduce the possibility of failure. Material selection: High-quality materials can ensure that the equipment can work normally in harsh environments and extend its service life. Maintenance and overhaul: Regular maintenance and overhaul are important measures to ensure the reliability of the equipment, which can timely discover and eliminate hidden dangers. Technical support: A strong technical support team can provide rapid fault diagnosis and solutions for the equipment to ensure the continuity of production. The X-ray intelligent sorting machine launched by Mingde Optoelectronics uses high-precision dual-energy mining and transmission, which can not only identify minerals with large density differences and high content, but also identify minerals with small density differences and low content, making mineral separation more accurate. https://www.mdoresorting.com/x-ray-xrt-intelligent-mineral-sorting-machine-according-to-different-density-between-concentrate-and-tailings Ⅶ. Maintenance Cycle Analysis The maintenance cycle of X-ray intelligent ore sorting machine usually depends on the following factors: Operating environment: The environmental conditions of the equipment, such as temperature, humidity, etc., will affect the maintenance cycle. Frequency of use: The higher the frequency of use of the equipment, the shorter the required maintenance cycle. Technical condition: The technical condition of the equipment is good, and the maintenance cycle can be appropriately extended. Manufacturer guidance: Following the manufacturer's maintenance guidelines and recommendations can effectively schedule maintenance cycles. Historical records: The maintenance history of the equipment can help predict future maintenance cycles and needs. Ⅷ. Maintenance Cost Analysis Equipment structure and maintenance difficulty The design of the X-ray intelligent ore sorting machine focuses on simplicity and reliability, and its mechanical structure is relatively simple, reducing potential failure points and maintenance difficulties. In contrast, traditional equipment is more difficult to maintain due to its complex structure, and requires more professional skills and tools. The simplified design of the X-ray intelligent ore sorting machine reduces the difficulty of maintenance, and correspondingly reduces maintenance time and cost. Parts replacement cycle and cost The key components of X-ray intelligent ore sorting machines, such as X-ray tubes and other sensors, are designed with a long service life, reducing the need for frequent replacement of parts, thereby reducing maintenance costs. However, due to the rapid wear and tear of traditional equipment during use, parts often need to be replaced, and the maintenance cost is naturally high. Labor and training costs The X-ray intelligent ore sorting machine is highly automated and can achieve 24-hour unmanned ore sorting, reducing labor costs. Operators only need to perform basic monitoring and abnormal handling, which greatly reduces manpower requirements. In addition, maintenance personnel do not need too much professional training to operate proficiently, further reducing training costs. Preventive and corrective maintenance costs The X-ray intelligent ore sorting machine uses advanced predictive maintenance technology, which can detect potential faults in advance and prevent them, reducing emergency repairs. Traditional equipment often requires more regular inspections and repairs, and has higher maintenance costs. IX. Maintenance Precautions The X-ray intelligent ore sorting machine is a high-tech equipment that uses X-ray and artificial intelligence technology for ore sorting. During daily use and maintenance, matters that need attention mainly include equipment structure inspection, cleaning and maintenance, troubleshooting and repair, regular calibration, replacement of wearing parts, operator training and other aspects. Equipment structure inspection Regularly check whether the structure of the X-ray intelligent ore sorter is complete, including but not limited to whether the moving parts such as the housing, conveyor belt, roller, bearing, etc. are abnormally worn or damaged. Any damage or wear found should be replaced or repaired in time to ensure the normal operation of the equipment. Cleaning and maintenance Keep the equipment clean, especially the X-ray source and photoelectric sensor, to prevent dust and debris from accumulating and affecting the detection accuracy and stability of the equipment. Regularly clean the slag and impurities inside the equipment to avoid blockage and corrosion. Troubleshooting and repair Be familiar with the common faults of the X-ray intelligent ore sorter and their troubleshooting methods, such as the troubleshooting and repair of problems such as the power indicator light not lighting up, the conveyor belt not operating, and the X-ray source not emitting. For problems that cannot be solved immediately, professional technicians should be contacted for support in a timely manner. Regular calibration According to the guidelines provided by the manufacturer, the X-ray intelligent ore sorter should be calibrated regularly to ensure the detection accuracy and stability of the equipment. The calibration work should be performed by experienced technicians. Replacement of wearing parts Pay attention to the wearing parts of the equipment, such as X-ray tubes, conveyor belts, injection valves, etc., and replace them in time when necessary. Use original accessories to ensure that the performance of the equipment is not affected. Operator training Provide necessary training for the staff who operate the X-ray intelligent ore sorter so that they can master the correct operation methods and basic maintenance knowledge. Untrained personnel are not allowed to operate the equipment at will to avoid damage. Overall, maintaining the X-ray intelligent ore sorter is a systematic project, which needs to be started from multiple angles to ensure the long-term and stable operation of the equipment. Through regular inspection, cleaning, calibration and maintenance, the service life of the equipment can be greatly extended, and the work efficiency and sorting accuracy can be improved. At the same time, attention should also be paid to sufficient training of operators to ensure that they can properly handle emergencies and ensure the continuity and safety of production.

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