In the workshop of Guangning Fuqiang Ceramics, the newly installed spray drying tower is effectively transforming the slurry into powder of flowing wall, reducing the coal consumption15% reduction in electricity consumption by 25% is a microcosm of the transformation and upgrading of China's electronic ceramic industry.

Electronic Ceramic Industrythese yearsWe are at a critical moment of technological breakthrough. The high-purity alumina fiber reinforced alumina composite developed by Suzhou Routao New Material Co., Ltd. successfully mixed the fiber and powder evenly through the spray drying process, solving the problem of uneven fiber dispersion in the traditional process.

1、 Characteristics and Applications of Electronic Ceramic Materials

Spray drying technology in the preparation process of boron nitride, aluminum oxide, cerium oxide and other electronic ceramic powder, spray drying has become a key process because it can significantly improve the performance of the powder. This technology directly determines the quality and market competitiveness of the final ceramic product by precisely controlling the process parameters.

2、 Multiple householdscooperationenterpriseoftechnical route

Accurate control of spray drying process is the core guarantee of powder quality. This process involves atomizing ceramic slurry intoDroplets of 50-300um form spherical particles upon rapid contact with hot air at 200-500 ℃, and parameters need to be optimized for different materials.

Shanghai Shenhe InvestmentLimited Company (formerly Shanghai Shenhe Thermomagnetic Electronics Co., Ltd.)FerroTecThe headquarters of the group (China) has been deeply involved in the semiconductor materials industry for over 30 years. The company's leading products includeAl₂O₃、AlN and other DBC copper-clad laminates have excellent electrical insulation properties, high thermal conductivity, etcIn the field of electronic ceramics, it specializes in power semiconductor copper-clad ceramic carriers (such as...) through its subsidiaries such as Jiangsu Fulehua Semiconductor Technology Co., LtdResearch and manufacturing of AMB, DCB, DPC.

Yichang Supeng TechnologyAs a specialized, refined, unique and innovative province in Hubei ProvinceThe "Little Giant" enterprise has 53 technologies. The alumina fiber reinforced alumina composite developed by it can obtain evenly distributed composite powders through the spray drying process. The final sintered products have excellent toughness and strength. The company's leading products include precious metal catalysts, ortho methylcyclohexyl acetate, and other main raw materials required for the production of hydrogen peroxide.

Suzhou Soft Ceramic New MaterialsFocusing on the innovative research and development of high-purity aluminum oxide materials, its process core is to first add chopped aluminum oxide into water, add a small amount of acid, roll mill with high-purity aluminum oxide balls, then add high-purity nano aluminum oxide dispersion and aluminum sol, and obtain composite powders through spray drying after full dispersion. This material is a fiber at the microscopic level and a powder at the macroscopic level, making it easier to shape into balls.

Blue Light Electronic IndustryWe have a deep accumulation in the field of electronic ceramics, and our products are widely used in electronic component substrates, semiconductor packaging, and other fields. The company pays attention to technological innovation and process optimization. The spray dryer cooperated with Changzhou Lima Drying Co., Ltd，Further enhancing its product quality and market competitiveness.

Highlights of cooperation with Changzhou Lima Drying: Lima Drying'sYPG, LPG, CSD (closed circuit) series spray dryerNumerous ceramic productionsWidely used in enterprises, this equipment achieves atomization by adjusting the pressure, flow rate, nozzle size, and atomization speed of the material liquid pumpAdjustment of disk material, hole type, diameter, etcObtain spherical particles of a certain size ratio as required.

IIIKey breakthrough of spray drying process

The spray drying technology of electronic ceramics has made remarkable progress in recent years, mainly in the following aspects:

Inert gas protection technology is a key breakthrough in the drying of electronic ceramic materials. Developed by the companyClosed and open spray dryer for ceramicsDifferent drying processes are required for different ceramic materials.

The precise atomization control technology determines the quality of powder particlesUniformity and sphericityThe spray dryer is realized by adjusting the spray pressure and controlling the rotation speed of the atomizer (hole diameter, hole shape)particle sizeScope control.

The atomization disc adopts ceramic atomization disc, with a hardness of up toHRA90 or aboveThe wear resistance is tens or even hundreds of times that of metals, which can maintain a smooth surface and complete geometric shape for a long time, ensuring stable atomization effect and ultra long service life.

Green manufacturing is an inevitable requirement for sustainable industrial development, and the newly developed exhaust gas heat exchange technologyWaste heat recovery systemSignificantly improve the utilization rate of exhaust heat and reduce energy consumption compared to traditional equipment.

integrationThe DCS control system realizes real-time monitoring of process parameters, data traceability, and remote operation and maintenance, improving production stability and traceability. Precision control is the key to improving product performance.

In addition to the aforementioned companies, we have successively collaborated withChina Academy of Engineering Physics, Foshan National Defense Science and Technology Industrial Technology Achievement Industrialization Application Promotion Center, Aerospace Materials and Technology Research Institute(703) InstituteAnd other research centers have cooperated with ceramic spray, mainly for processupgradeResearch and development.

In general, the spray drying technology can give consideration to the preparation of electronic ceramic powderKey technologies for shape control, performance improvement, and production efficiency. It lays a solid foundation for downstream forming and sintering processes by preparing powder particles with ideal morphology and physical properties, thus meeting the growing performance requirements of the downstream application market for electronic ceramic products.