Wet processing is the process of crushing, grinding, and hydraulic classification of ores, followed by the use of methods such as magnetic separation, gravity separation, and flotation to separate quartz.
1. Water washing and desliming+scrubbing+grading process
The quartz ore water washing and desilting+scrubbing+classification method is a method for treating silica sand ores with high mud content. This method uses physical means such as washing, scrubbing, and grading to remove impurities such as sediment from the ore, improving the purity and particle size distribution of quartz sand. The process features are as follows
1.Simple Process:This process is relatively simple and mainly includes three steps: water washing, desliming, scrubbing, and grading, making it easy to operate and manage.
2.No need for chemicals:The entire process does not use chemicals, reducing the impact on the environment and also lowering production costs.
process flow
1.Water washing and desilting:Put the raw ore into water and stir it. Utilize the difference in suspended sediment and sedimentation of quartz sand, separate the sediment from the quartz sand through hydraulic classification.
2.Scrubbing:The washed quartz sand is scrubbed using a scrubbing machine to remove impurities and dirt from the surface of the quartz sand and improve its purity.
3.Grading:By using grading equipment such as vibrating screens or hydraulic classifiers, the cleaned quartz sand is graded to separate quartz sand products with different particle sizes.
Technological advantages
1.Efficient mud removal:By washing and scrubbing with water, impurities such as sediment can be effectively removed from quartz sand, improving its purity.
2.Improve particle size distribution:The grading step can separate quartz sand products with different particle sizes, meeting the needs of different application fields.
3.Environmental Protection and Energy Conservation:The entire process does not require chemicals, saves water resources, reduces the pressure of wastewater treatment, and is environmentally friendly.
4.Easy to operate:The process flow is simple, the operation is convenient, and it is easy to manage and maintain.
2. Scrubbing+Desliming+Magnetic Separation Process
Quartz ore scrubbing+desliming+magnetic separation method is a specialized treatment method for silicon sand ore with high iron content and coarse crystal size of the target mineral. This method uses physical means such as scrubbing, desliming, and magnetic separation to remove iron impurities from the ore and improve the purity of quartz sand. The process flow is as follows
1.Scrubbing:Put the original ore into a scrubbing machine for scrubbing, use mechanical force to clean the quartz sand, remove iron impurities and dirt on the surface of the quartz sand, and improve its purity.
2.Desliming:The cleaned quartz sand is deslimed through a desliming equipment, such as a hydraulic classifier or vibrating screen, to remove impurities such as sediment from the quartz sand.
3.Magnetic Separation:The deslimed quartz sand is subjected to magnetic separation using a magnetic separator. By utilizing the magnetic differences between quartz sand and iron impurities, iron impurities are separated from the quartz sand.
Technological advantages
1.Efficient iron removal:By scrubbing, desliming, and magnetic separation, iron impurities in quartz sand can be effectively removed, improving the purity of quartz sand.
2.Improving the quality of quartz sand:The scrubbing step can remove impurities and dirt on the surface of quartz sand, improving its quality.
3.Simple Process:The process flow is relatively simple, mainly including three steps: scrubbing, desliming, and magnetic separation, which is easy to operate and manage.
4.No need for chemicals:The entire process does not use chemicals, reducing the impact on the environment and also lowering production costs.
5.Energy saving and environmental protection:The entire process saves water resources, reduces the pressure of wastewater treatment, and is environmentally friendly.
Typical beneficiation plant
Hubei Quartz Mine: The main useful mineral of this ore is quartz, with an iron content of about 0.2%. There are fewer other gangue, and the beneficiation process mainly considers reducing the iron content.
3. Scrubbing+Desliming+Flotation process
The quartz ore scrubbing+desliming+flotation method is a method specifically designed for the treatment of sand ores containing more vein minerals such as feldspar, aiming to improve the product quality of quartz sand. This method combines physical and chemical sorting methods to achieve efficient purification and purification of quartz sand. The process flow is as follows
1.Scrubbing: Put the raw ore into a scrubbing machine for scrubbing, use mechanical force to clean the quartz sand, remove the gangue minerals and dirt on the surface of the quartz sand, and improve its purity.
2.Desliming:The cleaned quartz sand is deslimed through a desliming equipment, such as a hydraulic classifier or vibrating screen, to remove impurities such as sediment from the quartz sand.
3. Flotation:The deslimed quartz sand is subjected to flotation using a flotation machine. By utilizing the differences in flotation properties between quartz sand and gangue minerals in water, appropriate flotation agents are added to separate the gangue minerals from the quartz sand.
Technological advantages
1.Efficient removal of gangue minerals:By scrubbing, desliming, and flotation, gangue minerals such as feldspar can be effectively removed from quartz sand, improving its purity.
2.Improve product quality:The scrubbing and flotation steps can remove impurities and minerals from quartz sand, improving its quality.
3.Process flexibility:The process flow can be adjusted according to the characteristics of the ore and the requirements of the required products to achieve the best sorting effect.
4.Reagent selectivity:The reagents used in the flotation process can be selected based on the characteristics of quartz sand and gangue minerals to improve sorting efficiency.
5.Energy saving and environmental protection:The entire process is relatively energy-saving, reducing the demand for water resources. At the same time, the selection and use of flotation reagents can also reduce the impact on the environment.
Typical beneficiation plant
Hebei Quartz Mine: The main useful mineral of this ore is quartz, with a mass fraction of about 80%. The main vein minerals are sericite, chalcedony, feldspar, etc.
4. Flotation+magnetic separation+acid leaching process
The quartz ore flotation+magnetic separation+acid leaching process is a comprehensive utilization of physical and chemical methods aimed at producing high-purity or ultra-high purity quartz sand. This method gradually removes impurities from quartz sand through multiple steps to achieve high purity requirements. The process flow is as follows:
1.Flotation:Put the original ore into a flotation machine for flotation. Utilize the difference in flotation properties between quartz sand and gangue minerals in water, and separate the gangue minerals from the quartz sand by adding appropriate flotation agents. This step mainly removes some impurity minerals with high density or similar floatability to quartz sand.
2.Magnetic Separation:The flotation quartz sand is subjected to magnetic separation using a magnetic separator. By utilizing the magnetic difference between quartz sand and iron impurities, iron impurities are separated from the quartz sand. This step helps to remove magnetic impurities such as magnetite.
3.Acid leaching:Put the magnetically separated quartz sand into an acid leaching tank, add an appropriate amount of acid (such as hydrochloric acid or sulfuric acid) to dissolve some impurity minerals in the quartz sand, and remove them from the quartz sand. The acid leaching process can further remove iron impurities and other soluble impurities in quartz sand.
Technological advantages
1.High purity output:Through multiple steps such as flotation, magnetic separation, and acid leaching, various impurities in quartz sand can be effectively removed, thereby producing high-purity or ultra-high purity quartz sand.
2.Flexibility:The process flow can be adjusted according to the characteristics of the ore and the requirements of the required products to achieve the best sorting effect.
3.Comprehensive utilization:This process can comprehensively utilize various physical and chemical methods to achieve the comprehensive removal of impurities in quartz sand.
4.Environmental Protection: Although acid leaching is used in this process, the impact on the environment can be minimized through reasonable environmental measures such as wastewater treatment and exhaust gas emission control.
Typical beneficiation plant
Anhui Quartzite Mine: The main impurity elements in this ore are Al, Fe, K, Mg, etc. The main useful mineral is quartz, and the main vein mineral is feldspar; The separation between quartz and feldspar can achieve the goal of quartz purification.
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