Over 10,000+ customers' choice, Focus on screening industry 40+ years
Coconut powder is a powdered material produced from fresh coconut meat through dehydration, defatting, and grinding. Compared with other plant‑based powders, coconut powder has several notable characteristics that create practical technical difficulties in the screening process:
High fat content, prone to adhesion and screen blinding. Coconut powder contains approximately 40% to 60% fat. This high fat content makes it easy for the powder to adhere to the screen surface during screening, with fine particles gradually building up and blocking the mesh. This problem becomes especially pronounced in continuous production – as screening time increases, blinding worsens and screening efficiency declines.
Fibrous components tend to wrap around the screen. Coconut powder contains a certain proportion of plant fibre. During screening, these fibres can easily wrap around the screen wires, forming "fibre bridges" that further aggravate blinding. The combination of fat adhesion and fibre entanglement makes coconut powder significantly more difficult to screen than typical powdered materials.
Hygroscopic and prone to lumping. Coconut powder has strong hygroscopicity, absorbing moisture from the air during storage or conveying, which leads to the formation of lumps. If these lumps are not effectively removed, they will directly affect the uniformity of texture and the appearance of the final baked products.
High proportion of fines, significant dust emission risk. Coconut powder contains a large proportion of fine particles. In traditional open screening operations, dust can easily be generated, affecting the workshop environment and causing material loss.
In the baking industry's production standards, raw material de‑dusting is a critical step for quality assurance. For coconut powder, the screening process needs to achieve the following objectives:
Removal of foreign matter and impurities. During processing, packaging, and transportation, coconut powder may pick up fibres, lumps, packaging debris, and other foreign materials. If these impurities enter baked products, they not only affect mouthfeel but also pose food safety risks. According to HACCP (Hazard Analysis and Critical Control Points) standards, all food ingredients should undergo safety screening before use.
Particle size uniformity control. Baked products have specific requirements for raw material fineness. Inconsistent particle size in coconut powder leads to rough texture and uneven appearance in baked goods, affecting product consistency and market acceptance.
Ensuring continuous production capability. Modern baking production lines require a continuous supply of ingredients. Screening equipment must be capable of long‑term stable operation, avoiding production interruptions caused by frequent shutdowns for cleaning.
With over 40 years of experience in screening equipment, Gaofu Machinery has developed the S49 series three‑dimensional rotary vibrating sieve – a high‑precision machine designed for fine screening of powders and granular materials. For coconut powder and other baking ingredient applications, this series offers the following technical features:
High screening accuracy. The S49 series achieves screening accuracy up to 600 mesh (0.02 mm) and filtration precision down to 5 microns. For typical coconut powder de‑dusting and grading requirements (usually 8 to 120 mesh), this series provides ample accuracy margin.
Separate mother‑screen / fine‑screen design extends screen life. The unique design uses a mother screen to fully support the fine working screen. This effectively distributes the impact force of the material, extending the service life of the fine screen and reducing long‑term consumable costs.
Reinforced construction supports continuous operation. The reinforced frame design provides good load capacity and supports long‑duration continuous operation. For baking ingredient producers with high‑volume, continuous production needs, this feature helps ensure stable line performance.
Fully enclosed stainless steel construction meets food‑grade requirements. The entire machine is built with stainless steel and features a fully enclosed structure that prevents dust emission. The design complies with food industry requirements for clean production environments.
Anti‑blinding design tailored for high‑fat materials. Targeting the screening characteristics of high‑fat, easily adhesive materials like coconut powder, Gaofu's rotary vibrating sieve incorporates optimisations in vibration trajectory and screen tensioning structure, effectively reducing the likelihood of blinding and ensuring continuous screening.
In actual screening operations for coconut powder and coconut flakes (desiccated coconut) used as baking ingredients, the rotary vibrating sieve delivers practical improvements in several areas:
Improved product qualification rate. By effectively removing lumps, fibres, and foreign matter, the purity and particle size uniformity of the final product are ensured;
Increased throughput. The high screening efficiency and anti‑blinding design of the rotary vibrating sieve significantly increase the processing capacity per unit time;
Reduced material waste. The fully enclosed structure and efficient screening minimise spillage and waste during processing;
Lower return losses. Improved product quality consistency directly reduces customer returns due to quality issues.
About Gaofu
Xinxiang Gaofu Machinery Co., Ltd. was originally founded in the 1980s. After more than 40 years of development, the company has become a "National Specialized and Sophisticated 'Little Giant' Enterprise", a "National Green Factory", a "National High-tech Enterprise", a "National Intellectual Property Advantage Enterprise", and the "President Unit of the Vibration Association". It also hosts the "Henan Provincial Industrial Design Center", the "Henan Provincial Engineering Technology Research Center for Intelligent Online Screening Systems", and the "Xinxiang Municipal Engineering Technology Research Center for Fine Screening". The company has been granted more than 500 invention, utility model and design patents, has received the "Science and Technology Achievement Award" issued by the Ministry of Industry and Information Technology, and has participated in drafting four "National Standards".
Gaofu's product portfolio covers several series and hundreds of varieties, including vibrating screening equipment, conveying equipment, coal crushing equipment, filtration equipment, and automated material handling systems. Its main products include vibrating screens, screening machines, vibrating sifters, rotary vibrating screens, ultrasonic vibrating screens, linear screens, air flow screens, gyratory screens, roller screens, dewatering screens, bar screens, vacuum feeders, dust-free feeding stations, ton bag feeding stations, feeding systems, automatic powder feeding systems, automatic slag discharge filters, leaf filters, clay filters, toothed roll crushers, coal crushers, and other equipment. These are widely used in many industries such as food, pharmaceuticals, chemicals, metallurgy, building materials, mining, thermal power, and environmental protection, earning the trust and praise of over 10,000 customers worldwide.
Gaofu products are not only popular in Greater China but are also exported to more than 100 countries and regions, including Russia, Canada, the United States, New Zealand, Japan, Brazil, South Africa, etc. The company adheres to its mission: "Enhance material quality and efficiency, meet customer needs", walking side by side with customers for harmonious and win-win cooperation. Today, Gaofu has become an approved supplier to many Fortune 500 companies, including CNPC, Sinopec, Sinochem Group, China Resources Group, Sinopharm Group, COFCO Group, China National Building Material Group, China Aerospace, and Jinchuan Group.
Gaofu Machinery – Global No.1 in Vibrating Screen Sales. In May 2024, Frost & Sullivan, an international authoritative advisory firm, based on its research on the global vibrating screen market and calculated according to global vibrating screen sales volume in 2023, issued a market position confirmation certificate to Gaofu Machinery.
