How to ensure product stability in the selection of raw materials
Release time:
2025-04-16 00:00
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1. When controlling the moisture of granularity-sensitive raw materials such as calcite white jade, in addition to conventional drying and drying treatment, microwave drying technology can be used to achieve efficient and accurate dehydration. Microwaves can penetrate the inside of the material, causing water molecules to generate high-frequency vibration friction and heat generation, which is 3-5 times more efficient and more evenly distributed than traditional hot air drying. At the same time, the near-infrared spectrometer is used to monitor the moisture content of raw materials in real time, and when the detected value deviates from the set range, the operating parameters of the drying equipment are automatically adjusted to form a closed-loop control system to ensure that the moisture content of raw materials is stable in the process requirement range.
2. As an important additive of special glass, the particle size distribution of barium oxide has a significant impact on the optical properties of glass. Studies have shown that glass refractive index uniformity is best when the average barium oxide particle size is controlled at 1 - 3 microns. In actual production, barium oxide can be ground to the required particle size by jet grinding technology, which uses high-speed air flow to make particles collide and rub against each other, avoiding impurity pollution caused by mechanical grinding. In addition, barium oxide is easy to react with moisture in the air to form barium hydroxide at high temperatures, so vacuum packaging or nitrogen-filled packaging is required to isolate moisture and ensure the purity of raw materials.
3. The application of barium sulfate and barium carbonate in glass production is developing in the direction of functionalization. Through surface modification technology, a layer of titanium dioxide film is coated on the surface of barium carbonate particles, which can significantly improve its shielding ability against ultraviolet rays and is used in the production of radiation-resistant glass. In terms of the application of barium sulfate, it is compounded with graphene to prepare a new glass raw material, which can endow the glass with excellent thermal conductivity and meet the needs of heat dissipation glass for electronic equipment. At the same time, with the stricter environmental protection regulations, industrial barium carbonate with low lead and low sulfur content has become a development trend, enterprises need to establish a more stringent impurity detection process, and use inductively coupled plasma mass spectrometry (ICP-MS) technology to detect heavy metal impurities at the parts per million level to ensure that products meet green production standards.
4. In order to realize the fine control of the particle size and uniformity of glass raw materials, the digital management system has gradually become the industry standard. The chemical composition, particle size distribution, moisture content and other data of raw materials are entered into the cloud database, and combined with machine learning algorithms, a prediction model of raw material performance and finished glass quality is established. When the parameters of a batch of raw materials fluctuate, the system automatically recommends adjustment plans, such as changing the ratio of raw materials and optimizing the mixing process. At the same time, the 3D laser particle size analyzer is used to monitor the mixed raw materials in real time to ensure that each raw material meets the process requirements and ensure the quality stability of glass products from the source.
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