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Xinhai mineral processing equipment mainly include: grinding equipment, flotation equipment, dewatering equipment, magnetic separation equipment, and so on. Some of the equipment is Xinhai independent research and development, and has been awarded national patent. View details
Gold CIL (Carbon in Leach) Process is an efficient design of extracting and recovering gold from its ore. By cyaniding and carbon leaching crushed gold ore slurry simultaneously, CIL process lower the gold mining operation cost and increase gold recovery rate to a degree of 99%. View details
On October 11, the 3-day CHINA MINING Conference and Exhibition 2019 was conclud...
Based on 20 years of experience in mineral processing industry, Xinhai has been committed to the development and innovation of flotation separation process, aiming at providing professional flotation process equipment and comprehensive service, including from previous beneficiation test analysis, middle flotation process design and equipment selection, and later installation and debugging. Currently, Xinhai has provided the advanced professional Xinhai flotation process for many mineral processing projects at home and abroad.
Flotation process is one of the most widely mineral processing method used in the production. It uses the difference of physical and chemical properties in mineral surface, and rely on air bubbles buoyancy in the pulp to realize mineral separation process. On the basis of this process, Xinhai has developed a series of flotation reagents, which not only reduce 10% reagent consumption, but also increase 20% flotation efficiency.
Xinhai flotation process can be widely used in non-ferrous metal, ferrous metal and nonmetal minerals, especially used in roughing and scavenging of large and medium-sized flotation plant. It can process non-ferrous metals, such as gold, silver, copper, iron, tungsten, lead, zinc, tin, molybdenum, nickel, tantalum, niobium and manganese ore; and also process nonmetal minerals, such as fluorite, talc, etc.
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Compared with common flotation reagents, Xinhai special flotation reagents not only enhances the mineral surface hydrophobicity, mineral adhesive fastness and selectivity on the bubble, but also improves more 25% mineral flotation speed, which plays a very important role in separation efficiency and flotation index.
In May 2016, Iranian client commissioned Xinhai Mine Research Institute to conduct beneficiation test after collected 50kg samples in the site. After tested the ore properties of sample ore, Xinhai lab concluded that the ore was gold-bearing quartz vein deposit, the metal mineral were pyrite, limonite and natural gold. The ore grade is 5.61g/t.
Xinhai mineral processing plan: After finished the test in July, Xinhai Mine Research Institute carried on the preliminary exploration of its processing conditions. After compared flotation with cyanide leaching process, Xinhaia Mine Research Institute found that the gold recovery rate in flotation process was far higher than in cyanide leaching process. Therefore, after consulting with the client, Xinhai decided to adopt two-stage closed circuit crushing, one-stage grinding and single flotation process to get the gold concentrate. After the grinding, then one roughing, three scavenging, three concentration, the process got 87.16% recovery rate of gold concentrate.
According to the beneficiation test and process requirements, Iran 300tpd gold floatation project needs the following flotation equipment model:
In August 2016, Xinhai sent professional engineers to the site to learn about the mineral resources and construction conditions. Considered its location, mineral characteristics, the project needs to solve the following problems:
1) The project was located in the Iranian plateau, which was about 2,000 meters above sea level. The weather was cold in the winter, which needed to take into consideration;
2) The investment fund was limited, so the project needed to be completed as soon as possible.
1) Adopted reasonable and compact layout.
Makes full use of the high difference to complete self-flow layout in the workshop design, meanwhile, makes the industrial plants as compact and warm as possible, which is easy to produce in winter.
2) Optimized flotation process, improved efficiency.
According to ore characteristics, Xinhai timely controlled the dosage of flotation reagents, especially the dosage of xanthate, strictly controlled concentration density, and greatly improved the gold concentrate grade. At the same time, in order to complete the project construction fast and efficient, Xinhai personnel decisively abandoned home holiday arrangement, worked hard in the first line, so completed the construction of plant workshop 15 days in advance.
Xinhai production plant was producing flotation equipment of this project.The flotation equipment of this project was finished in Xinhai manufacturing plant, and was prepared for packaging.
After manufactured and purchased equipment, Xinhai installation and commissioning technicians started equipment installation and commissioning.
To help Iranian workers to operate as soon as possible, Xinhai technicians showed on-site training for plant workers, explained equipment operation notes, helped customers quickly establish own technical team, laid foundation for later stable operation.
In Iran 300 tpd gold flotation project, the ore grade was 5.61 g/t, gold concentrate grade was 78.85 g/t, flotation recovery rate was as high as 87.16%, the final recovery rate was up to 87.16%,the customers gave high praise for these results. From the beneficiation test, mine design, equipment manufacture, installation and debugging to the worker training and standard reached, Xinhai provided a series of flotation process service.
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© 2017 Shandong Xinhai Mining Technology & Equipment Inc. Technical Support: 北京鑫互联科技有限公司
© 2017 Shandong Xinhai Mining Technology & Equipment Inc.