Over 10,000+ customers' choice, Focus on screening industry 40+ years
Plastic powders may develop different particle irregularities during storage, conveying, grinding, and blending. Common issues include:
Oversized particles: Particles that have not been sufficiently ground, or larger fragments mixed into the powder, may result in an uneven particle size distribution.
Powder agglomeration: Depending on material properties, storage conditions, and environmental factors, fine powders may form lumps that affect material flow.
Processing residues: During material transfer or production, particles with different sizes or characteristics may enter the powder stream.
Variations in fine particle content: The proportion of fine particles may vary between batches, creating different requirements for downstream blending and processing.
Not all these issues can be addressed through screening alone. However, when oversized particles, larger agglomerates, or other unwanted materials differ sufficiently in size from the target powder, a properly configured screening machine can help separate them.
A plastic rotary vibratory sieve uses vibration to move material across the screen surface. Particles are separated according to whether they can pass through the selected mesh openings. For plastic powder manufacturers, this process can be used for raw material preparation, powder classification, and screening before subsequent production stages.
Oversized particle removal: A suitable mesh size can retain larger particles on the screen surface while allowing particles that meet the required size range to pass through.
Agglomerate separation: Larger powder agglomerates that can be distinguished by size may be retained and separated using an appropriately selected mesh. If the agglomerates are tightly bonded to the powder, additional pretreatment may be necessary depending on the material condition.
Multi-size classification: By configuring screen decks with different mesh openings, the vibrating screening machine can divide plastic powders into several particle size fractions for different production requirements.
These applications allow a rotary vibratory sieve to support particle size control in plastic powder processing and help reduce the amount of material outside the target size range entering subsequent production stages.
Different plastic powders have different particle sizes, flow characteristics, and screening requirements. Equipment configuration should therefore be matched to the specific application. Gaofu Machinery's plastic rotary vibratory sieve can be configured with consideration for the following factors.
1. Screen Decks and Mesh Apertures
Select single-deck or multi-deck screen arrangements according to the required classification process. When several particle size fractions need to be separated, different mesh openings can be combined to achieve the desired screening arrangement.
2. Screen Mesh Material and Structure
Choose suitable mesh materials and structures based on powder characteristics and screening requirements. Consider screening accuracy, service life, and ease of maintenance when selecting the screen configuration.
3. Screen Cleaning Methods and Optional Accessories
Some plastic powders may be prone to static buildup, adhesion, or fine-particle accumulation in the mesh openings. For these applications, optional accessories such as bouncing balls or ultrasonic screen cleaning systems can be evaluated to help maintain screen passage. The appropriate configuration should be determined according to material characteristics and screening test results.
4. Feeding, Discharge, and Production Line Integration
Arrange the equipment's inlet and discharge connections according to the material flow and layout of the plastic production line. A suitable configuration allows the rotary vibratory sieve to connect with upstream grinding and conveying equipment, as well as downstream blending and storage systems, helping reduce unnecessary material handling.
A rotary vibratory sieve is not an isolated machine in a plastic production line. It is one part of the overall raw material handling process.
For example, a screening stage can be installed before a blending machine to separate oversized particles and larger agglomerates according to process requirements. Where tighter particle size classification is needed, a multi-deck screening arrangement can divide the powder into different size fractions.
For PVC, PE, PP, and certain modified plastic powders, screening solutions can be selected according to the specific material properties and production requirements.
It is important to note that a rotary vibratory sieve separates materials primarily according to particle size. It does not replace magnetic separation, metal detection, air classification, or chemical purification. If contaminants need to be removed based on material type rather than particle size, additional separation processes may be required.
Particle size control is an important part of plastic powder preparation and downstream processing. For applications involving oversized particles, larger agglomerates, and the classification of different particle size fractions, selecting suitable screening equipment can help improve the raw material handling process within a plastic production line.
Gaofu Machinery's plastic rotary vibratory sieve can be configured for PVC, PE, PP, and other plastic powders according to material characteristics, screening accuracy, throughput, and production line layout. It provides an equipment solution for plastic powder screening, particle size classification, and process integration. Material testing and application-specific equipment selection can help manufacturers identify a configuration that better meets their production requirements.
Food Industry Client Testimonials
Nestlé, CP Group, Haitian Flavour & Fragrance, Yihai Kerry, Yili, Mengniu,Shuanghui, Wahaha, Master Kong, Want Want, Anjoy Foods, Angel Yeast,Yangyuan Foods, Uni-President Enterprises, Qiaqia Food, Luhua Group,Alpenliebe, Golden Monkey, Orion, Xizhilang,Sanquan Foods, Synear Food, Oishi, Wong Lo Kat, Yanjing Beer, Seamild,Jinpai, Chubang, Hengshun Vinegar Industry, Longda Group, Beijing Daoxiangcun, Anhe Dairy,Weiwei Group, Xiangpiaopiao, Maiquer, Tianbing, Binqi Food, Ligao Okun
Fortune 500 Client Testimonials
CNPC、CSCEC、Sinochem Holdings、CRCC、China Minmetals Corporation、CNOOC、CR、Sinopharm、CHN Energy、COFCO Corporation、Huawei Technologies、PowerChina、CITIC Group、Wuchan Zhongda Group、NORINCO、Chalco、CNBM、 Shaanxi Coal and Chemical Industry Group、Ansteel Group、CETC、CSSC、CASC、CEC、Jinchuan Group、CASIC、Conch Cement、CNNC、SPH、Shanxi Coking Coal Group、 Zhongtai Chemical、GPHL、DEC、Sinosteel Corporation、MCC、China National Salt Industry Chemical、China Baowu Steel Group、China Animal Husbandry Industry Co., Ltd.、CECEP
About Gaofu
Xinxiang Gaofu Machinery Co., Ltd. was founded back in the 1980s. With over 40 years of development, it has been certified as a National-level Specialized, Refined, Unique & Innovative Little Giant Enterprise, National Green Factory, National High-tech Enterprise, and National Intellectual Property Advantage Enterprise, and serves as the President Unit of China Vibration Screening Industry Association.
The company is accredited with the Henan Provincial Industrial Design Center, Henan Provincial Engineering Technology Research Center for Intelligent On-line Screening System, and Xinxiang Municipal Engineering Technology Research Center for Fine Screening.
Gaofu has obtained more than 500 patents including invention patents, utility model patents and design patents, been awarded the Science and Technology Achievement Prize issued by the Ministry of Industry and Information Technology of China, and participated in drafting and formulating 4 national standards.
Gaofu's product portfolio covers multiple series and hundreds of specifications, including vibrating screening equipment, conveying equipment, coal crushing equipment, filtration equipment and automatic material handling systems.
Core products include vibrating screens, screening machines, vibratory sifters, rotary vibrating screens, ultrasonic vibrating screens, linear vibrating screens, airflow screens, gyratory screens, roller screens, dewatering screens, bar screens, vacuum feeding machines, dust-free feeding stations, bulk bag feeding stations, feeding systems, automatic powder feeding systems, automatic slag-discharging filters, leaf filters, clay filters, toothed roll crushers, coal crushers and other machinery.
These products are widely applied in food, pharmaceutical, chemical, metallurgy, construction materials, mining, thermal power, environmental protection and many other industries, winning recognition and trust from over 10,000 clients worldwide.
Gaofu products enjoy strong sales across Greater China, and are exported to more than 100 countries and regions such as Russia, Canada, the United States, New Zealand, Japan, Brazil and South Africa.
Upholding the corporate mission of Improving material quality & efficiency to fully satisfy customer demands, Gaofu maintains long-term partnerships with clients to achieve win-win development.
At present, Gaofu is an official qualified supplier for numerous Fortune Global 500 enterprises, including CNPC, Sinopec, Sinochem Holdings, China Resources Group, Sinopharm Group, COFCO, China National Building Material, China Aerospace Science and Technology Corporation, Jinchuan Group and more.
Gaofu Machinery ranks No.1 in global sales volume of vibrating screens.
In May 2024, Frost & Sullivan, a world-renowned international consulting firm, issued a Market Position Verification Certificate confirming that Gaofu achieved the world's largest shipment volume of vibrating screens in the global market in 2023.
