Ultra High Purity Quartz Sand (6N-8N) Production Line and Solutions

Ultra High Purity Quartz Sand (6N-8N) Production Lines and Solutions

Solution Overview

This solution focuses on the production of 6N-8N grade ultra-high purity quartz sand, through the integration of precision classification, chemical deep purification, high-temperature treatment and other cutting-edge processes, to achieve the depth of the removal of impurity elements, to meet the semiconductor, photovoltaic single-crystal crucibles, fiber optic communications and other cutting-edge science and technology fields of the extreme requirements of the basic materials.

Core Technology

1. Precision raw material selection

   • Color separation, laser beneficiation and other technologies are used to accurately pre-enrich high-purity quartz raw ore.

2. Thermal and Mechanical Crushing

   • Through high-temperature calcination and water quenching, internal cracks are created in the ore to optimize the efficiency of subsequent dissociation and purification.

3. Deep Physical Sorting

   • High-voltage electrowinning is utilized to separate minerals based on differences in electrical conductivity.

   • Superconducting magnetic separation, with its extremely high field strength, completely removes weakly magnetic impurities.

4. Chemical Deep Purification

   • Leaching under high temperature and pressure using a mixture of acids to dissolve surface and interlattice impurities.

   • High-temperature chlorination under a specific atmosphere gasifies and removes stubborn impurities such as alkali metals.

5. High purity and non-pollution processing

   • The whole process is carried out in a clean environment, using high-purity reagents to avoid secondary pollution.

   • Finished products are packaged in special clean packaging to ensure the purity of the products during transportation and storage.

System Core Advantages

• Ultimate purity: The process is designed to target purity of 7N and above, removing all kinds of trace impurities in depth.

• Technology Integration: Comprehensive use of physical, chemical, thermal and other cutting-edge purification technology, synergistic effect.

• Closed production line: The core process is carried out in a closed or clean environment, effectively controlling the risk of environmental pollution.

• Intelligent control: The whole process is controlled automatically and monitored online to ensure the accuracy and stability of process parameters.

• Professional customization: process optimization and customization can be carried out according to customer's requirements for the control of specific impurity elements.

Main application areas

• Quartz crucibles and devices for semiconductor chip manufacturing

• Prefabricated fiber optic rods for fiber optic communication

• High purity quartz crucibles for photovoltaic single crystal growth

• Precision optical devices

• High-end laboratory and analytical instruments

This program represents the highest level of quartz sand deep-processing technology. By building a technology-intensive and tightly controlled production system, it provides basic core materials with extreme performance and reliable quality for high-end science and technology industries.