Select graphite production line

Category: Production Line | February 28, 2014
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Select graphite production line
Removing impurities from the raw ore elect its graphite carbon content of process ore beneficiation process to become , in the deep processing of ore on the basis of continuing to improve its carbon content to achieve high purity process , becoming the purification process .

Two natural graphite mine is generally low levels of flake graphite mine ( 3 to 30% ) and microcrystalline graphite mine ( earthy or amorphous graphite ) ( 35 ~ 85% ) , floating flake graphite can be good , grade increased easily , in order to ensure its large flake and precision grinding using multi-level , multi-stage flotation , Division I has a number of domestic and foreign graphite mine design, construction and production of different flake graphite mine, the largest production line Nissan 3000 tons , the highest grade of 96 percent to reach a maximum level of 6 segment grinding, flotation seven times ; concentrate graded as follows: greater than or equal to 99.9% high purity graphite ) , high carbon graphite ( 94 % to 99.9% ) , carbon graphite ( 80 ~ 94% ) and carbon graphite ( 50-80% ) 4 classes ; ore grade microcrystalline graphite mine is generally higher , according to the amount of iron ore grading flotability drawback is poor, use not too extensive purification process should be carried out generally late ; recent years , the birth of a variety of new collectors for graphite beneficiation process of periodic shortening and return to play a certain role .
Select graphite production line
Processing the graphite concentrate , generally high temperature and ultra high temperature evaporation pickling process ; acid resistant graphite concentrate by adding sodium hydroxide and heated to about 500 degrees , the output of a soluble silicate , eluting with water and concentrated , adding hydrochloric acid or sulfuric acid wash of metallic impurities which , through chemical and acid treatment, metal and non-metallic impurities removal of almost all ; ultra-high temperature evaporation is the use of high-temperature performance of graphite , isolated from the air is heated to 2500 to 2800 degrees, most of the material is a high temperature to evaporate , cooling output of high-purity graphite , graphite after purification , the carbon content of up to 99.9%.

Basically graphite flotation beneficiation process , each designed to concentrate concentration concentrate regrinding , generally are floated in the 30 to 35 percent , you need to concentrate and then grinding, grinding concentration of 60 to 65 percent in the state better, but when dealing with microcrystalline ore concentrate processing capacity is big, the thickener is a must, not only conventional thickener covers an area of ​​big investment , because graphite density is small, the effect is still very general ; I engineers combined with advanced technology, this section concentrates concentrate regrinding , created a set of very effective and low investment in technology, especially in Indonesia Nissan 1500 tons of graphite beneficiation process, designed for grinding section 6 , 7 flotation concentrate grade of 96 % recovery rate is over 88% to less than 2% dehydrated concentrate grading 50 mesh, 50-80 mesh, 80 to 120 mesh, 120 mesh or more , according to different valuation sell sheet size the total area of ​​plant design is not over 6000 levels, for users to create a great economic benefits received by users

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