I. Why Is Graphite Screening So Difficult?
Due to its light weight, easy dusting, and tendency to agglomerate under static electricity, graphite powder easily clogs the screen mesh during screening, resulting in a sharp reduction of effective screening area and low output capacity. Meanwhile, the dusting of ultrafine graphite powder not only wastes materials but also threatens the workshop environment and employee health. Especially for high-end applications such as lithium battery anode materials, which have extremely high purity requirements, traditional screening methods can hardly meet increasingly stringent process standards. When conventional vibrating screens handle such materials, problems like screen clogging, poor accuracy, and low efficiency become particularly prominent.
II. What Is Gaofu Ultrasonic Vibrating Screen for Graphite?
The Gaofu ultrasonic vibrating screen for graphite is a special screening equipment developed on the basis of the classic S49 Series three-dimensional rotary vibrating screen, with an innovative ultrasonic mesh cleaning system. It is specially designed for the screening of difficult-to-handle ultrafine powders such as graphite powder and anode materials.
Its working principle is simple: the equipment converts ordinary electric energy into high-frequency electric energy through an ultrasonic generator, drives a transducer to generate high-frequency mechanical vibration, and transmits it to the screen surface, producing ultrasonic vibration waves with low amplitude and high frequency on the mesh. Materials on the screen undergo both conventional three-dimensional rotary motion and ultrasonic high-frequency micro-vibration, effectively breaking agglomeration, reducing electrostatic adsorption, and achieving rapid screening and automatic mesh cleaning.
III. Why Choose the Gaofu Ultrasonic Vibrating Screen for Graphite?
1. Solves the Problem of Screen Clogging
The main causes of screen clogging by graphite powder are electrostatic adsorption, particle agglomeration, and the "bridging" effect. By superimposing high-frequency (18–40kHz) ultrasonic vibration on the screen, the Gaofu ultrasonic vibrating screen suspends graphite particles at the micron level, greatly reducing friction between materials and the screen, and eliminating electrostatic adsorption and agglomeration between particles. High-frequency micro-vibration continuously weakens the static adhesion of materials to the mesh and breaks the "bridge" structure formed by graphite powder in the screen openings, keeping the mesh unobstructed at all times.
Data support: Taking 200-mesh graphite screening as an example, a traditional rotary vibrating screen with a 100kg feed yields only about 20kg per hour, while the ultrasonic vibrating screen achieves a yield of 50kg/h under the same conditions. Screening efficiency is improved by 2–5 times compared with traditional equipment.
2. Greatly Improved Screening Accuracy
The Gaofu ultrasonic vibrating screen can accurately separate ultrafine powder up to 500 mesh (approx. 25μm) and finer. Screening accuracy is increased by more than 80% compared with traditional equipment, making it ideal for applications requiring strict particle size distribution, such as lithium battery anode materials.
3. Closed & Eco-Friendly Design for a Green Workshop
The whole machine adopts a fully enclosed structure, effectively preventing graphite dust overflow during screening, reducing material loss, improving the working environment, and easily meeting strict environmental protection requirements. In addition, ultrasonic mesh cleaning replaces traditional mechanical cleaning methods such as bouncing balls, avoiding material contamination caused by rubber ball wear.
4. No Metal Contamination for High-Purity Material Quality
Parts in contact with materials can be made of stainless steel (304/316L) or special alloys, preventing metal ion contamination during graphite screening. It is especially suitable for high-purity applications including battery anode materials and high-purity graphite.
5. Multi-Layer High-Efficiency Classification, Multi-Purpose in One Machine
The equipment supports series operation with 1–5 layers of screens, enabling classification and impurity removal of multiple particle sizes in one feeding, greatly improving production efficiency.
IV. Product Technical Parameters
The Gaofu ultrasonic vibrating screen for graphite adopts the S49-AC Series, with a screening diameter ranging from Φ560mm to Φ1920mm and a screening area of up to 2.9㎡. Screen mesh specifications cover 2–500 mesh, with 1–5 layers optional. Motor power ranges from 0.25kW to 2.2kW. Ultrasonic frequency is 36kHz, compatible with 220V/50Hz or 110V/60Hz power supply. Customized configuration solutions are available according to your material characteristics and capacity requirements.
V. Typical Application Scenarios
The Gaofu ultrasonic vibrating screen for graphite is widely used in graphite deep-processing fields, including:
Lithium battery anode materials (particle size control and gradation of artificial graphite and natural graphite micropowder)
High-purity graphite powder (semiconductor and nuclear industry)
Expanded graphite raw materials and products
Graphite sealing materials
Special graphite powder (isostatic pressing graphite, fine-grained graphite)
Graphene-related materials (dispersion and screening of precursors and graphene oxide powder)
VI. About Gaofu Machinery — Your Trustworthy Partner
Gaofu researches, develops, and manufactures vibrating screening equipment, conveying equipment, coal crushing equipment, filtering equipment, and automated material handling systems. Our products are widely used in food, pharmaceutical, chemical, metallurgical, building materials, mining, thermoelectric, environmental protection, new energy, and other industries.
They are sold not only across Greater China but also exported to more than 100 countries and regions including Russia, Canada, New Zealand, Brazil, and South Africa. We have become a supplier to many Fortune Global 500 enterprises such as CATL, Tianci Materials, Guoxuan High-Tech, Shanshan Technology, Ronbay Technology, CNGR Advanced Materials, Greenmate, Do-Fluoride, and Silicon Treasure Technology. We have won the trust and praise of over 10,000 customers worldwide.
VII. More Than Equipment — We Provide Full-Process Services
At Gaofu, we firmly believe that "equipment is the foundation, and service is the soul". Our technical engineers will visit your site to understand material properties, processing capacity requirements, and process bottlenecks, providing one-to-one model selection and scheme design.
From pre-sales consultation and customized solutions to installation, commissioning, and after-sales maintenance, we provide full-cycle services to ensure stable and efficient operation of your production line.