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Gold Mining Gravity Recovery Centrifugal Concentrator1
Mining MachineryCentrifugal SeparatorGold Mining
Yantai Huize Mining Engineering Co., Ltd.
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Product Description Gold Mining Gravity Recovery Centrifugal Concentrator Working PrincipleCentrifugal concentrator is a kind of high rate gold recovery equipment by gravity. High-speed rotation generates very strong centrifugal force to enhance gravity separation and more effectively recovering GRG (gravity recoverable gold) existing in various minerals.As shown in the figure, the working component of the concentrator is a high-speed rotating cone composed of the wear-resistant concentrating cone and the shell. The space between the concentrating cone and the shell is the water chamber. There are several circular grooves arranged in parallel on the inner side of the concentrating cone, and a series of tangential small water holes are arranged on the side walls of the grooves. During rotation of the cone, the strong centrifugal force amplifies the difference of the mineral particles with different density, thus achieving good separating effect. The slurry is fed into the bottom of the cone. The lighter particles and water move upward along the inner surface of the concentrating cone and overflow out of the top of the cone as tailings. The heavier particles are caught in a series of grooves. The tangential water is injected opposite to the rotation direction of the cone fluidizes the heavy particles entering the groove, forming fluidized concentrating bed to prevent the heavy particles to tightly compact on the side wall of the groove caused by centrifugal force.This centrifugal concentrator works in a semi-continuous mode. After continuous runing of the concentrating cone for a period of time, the ore feed is closed and the motor is turned off. More water flows out of the fluidized holes to unload the concentrate out of the circular grooves and discharge out of the bottom of the concentrating cone.AdvantagesCleanly recover gold by gravity which avoid any chemical for environment friendly;According to the GRG size distribution of the minerals, the rotation speed of the concentrating cone can be adjusted through the frequency converter for the best recovery;Excellent GRG recovery performance. The recovery rate of 74 μm gold exceeds 98% and the recovery rate of 40 μm gold can reach more than 80%;The concentration ratio is more than 1000 times, the concentrate yield is small, and the concentrate grade is up to 3000-30000 g/t;The concentrating cone is lined by highly wear-resistant polyurethane and the slurry discharge launder is lined by wear-resistant rubber lining to obtain an extremely long life and stable continuous operation;The rotating components undergo strict balance testing, and the concentrator is equipped with good vibration isolators, which can operate smoothly without being mounted by the anchor bolts;Set process parameters through the human-machine interface, detect each data in real-time during operation, and completely automatically control the operating status of the machine to ensure process goals;Easy operation and simple maintenance;Customers can choose the optional components and functions of the concentrator to match the actual needs, and HZE will also provide the customized solutions and products according to the specific requirements of customers.ApplicationThe concentrator can be used for outdoor or indoor operation. It is suitable for recovering GRG from quartz veins, hard rocks, dump tailings, placers or alluvial sands. It can be used alone or in conjunction with grinding systems, flotation systems, leaching systems and washing systems to recover GRG without being affected by environmental and location conditions.Concentrating Cone StylesAccording to the customer's mineral situation, HZE provides two concentrating cone options: C1 and C2. C1 mainly recovers coarse GRG, and C2 is suitable for recovering both moderate and fine GRG.Specification and ModelModelALX-12ALX-XD20ALX-XD30ALX-XD40ALX-Q48Cone TypeC2C1, C2C1, C2C1, C2C1, C2Solid feeding capacity (t/h)5-1610-7050-140100-240180-380Feeding particle size (mm)Recommended 0-2, Max. 6Feeding concentration (%)0-75, optimal 50-60Max slurry flow (m3/h)2510021832554060G fluidization water consumption (m3/h)4.0-6.17-1410-21C1:17-25C2:25-34C1:26-36C2:41-55C1:40-53C2:51-70Concentrate weight per batch (kg)2.7-4.88-12C1:21-30C2:38.5-55C1:29-40C2:53-73.5C1: 44-52C2:80.5-95Power (kW)2.2-5.55.5-7.511-2230-4545-75FAQ 1.What is the main business scope of your company?HZE is a company with R&D center, design institute, manufacturing factories, installation and commissioning teams.Our customers are in the mining and mineral processing fields.Our major businesses include mineral processing EPC (engineering, procurement and construction), project consultation, engineering design, mineral processing equipment manufacturing, on-site installation, commissioning, staff training, customer project operation management, spare parts supply and technical support.Customers are free to choose any one or any combination of our services.2.What are the outstanding advantages of your company?The one-stop service of mineral processing engineering project and equipment is our core competitiveness.The most important feature that HZE distinguishes itself from other engineering companies, design companies or consulting companies is that we are also an equipment manufacturer with a production plant of 50,000 square meters, and we have complete manufacturing rout and the related equipment.HZE distinguishes itself from other equipment manufacturers by owning its own R&D center and engineering design institute.HZE distinguishes itself from many mining machinery enterprises by possessing an expert team with members including not only senior engineers of the company, but also top Chinese technical experts, university professors and researchers.3.What are the characteristics of your company's 3D design?HZE not only uses 3D software to design equipment, but also uses 3D software to design process flow, pipeline, steel structure, auxiliary facilities, etc.Of the whole mineral processing project.We even use 3D design for equipment packaging, container packing and equipment instructions manual.This greatly improves the quality of equipment and engineering, shortens the construction period, facilitates technical discussion and evaluation, facilitates project management, improves construction safety and reduces project cost.4.What are the service features of your company? Customers who whether buy our equipment, or entrust us with EPC, or require us to provide a certain service, cooperate closely with us to carry out specific operations and supervise our implementation throughout the process.HZE will try to understand the basic situation and needs of customers as detailed as possible before the sale, formulate a preliminary plan according to the specific situation of customers, and get unanimous opinions after communications and discussions with customers to determine the plan.We set up customer files for every customer who signed the contract with us and upload them to the Cloud where customers can also get an account and password.Customers can have all the documents, videos and pictures, technology, services, execution, operation, management and control, maintenance and so on related to the business.Whether it is in the process of general contracting, equipment manufacturing or providing some kind of service, we welcome customers to know about our implementation on the spot or through the network, and put forward requirements and opinions.We assist users who have used our products to formulate operation specifications and make suggestions on maintenance plans and spare parts inventories.In addition to routine on-site installation, commissioning and training, during the production period after we handing over equipment to customers for use, we often understand the equipment using situations through the network and provide guidance and training to customer management and operators.For the clients who have just start the mining business, we provide the opportunity of training and practice in China's mines for the clients' employees, until they are skilled in operation and maintenance.
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