Over 10,000+ customers' choice, Focus on screening industry 40+ years
In large‑scale food powder production, screening equipment faces far more stringent requirements than small‑batch production:
Long continuous operation – high equipment stability required. Modern food powder production lines typically operate 24/7. As a critical link in the production line, the screening equipment's stability directly affects overall line utilisation. The equipment must be capable of long‑duration continuous operation with low failure rates and long maintenance intervals.
Large throughput – must match large‑scale production rhythm. From starch, powdered sugar, and seasoning powders to flour, food powder production lines often process several tonnes per hour. If screening equipment lacks sufficient capacity, it becomes a direct bottleneck for the entire production line.
Noise control – improving the workshop environment. Food processing workshops have high requirements for the working environment. The high‑frequency vibration of conventional screening equipment is often accompanied by significant operating noise, long‑term effects on operator working conditions and concentration.
The low‑noise and stable operation of Gaofu's SZF series food powder linear vibrating screen is not a collection of isolated technical features – it is a systematic engineering achievement encompassing drive principles, screen box structure, and motor selection.
Dual vibrating motors in synchronised opposite directions – the foundation of stability. Gaofu's linear vibrating screen uses dual vibrating motors operating in synchronised opposite directions. When the two motors run in opposite directions, the lateral excitation forces cancel each other out, while the longitudinal forces are transmitted through the vibration‑transmitting body to the entire screen box, generating stable linear vibration on the screen surface.
In simple terms: the two motors "cancel out" lateral vibration and "combine forces" for longitudinal screening – this design generates stable linear vibration on the screen surface, causing material to move forward in a parabolic bouncing motion – quickly loosening, stratifying, and passing through the screen. The equipment runs smoothly, avoiding mechanical fatigue and accuracy drift caused by violent vibration.
Optimised vibration motor design – controllable noise, reasonable energy consumption. Gaofu's linear vibrating screen features vibration motors optimised for low noise, low energy consumption, and long service life – ensuring 24‑hour continuous stable operation. The robust structure and damping springs effectively cushion vibration, with stable operating noise. Energy consumption is lower compared with similar screening equipment.
Reinforced screen box structure – capable of long‑duration continuous operation. Gaofu's SZF series linear vibrating screen is constructed of high‑quality steel plate welding – with high overall structural strength, ensuring stability during long‑duration, high‑load operation. Models cover SZF‑520 to SZF‑1540, with screen sizes from 500×2000 mm to 1500×4000 mm – flexible selection according to capacity requirements.
Gaofu's SZF series food powder linear vibrating screen offers the following core technical capabilities for large‑scale production:
Large throughput – a single machine matches full line capacity. The SZF series linear vibrating screen achieves single‑machine throughput of 15‑500 t/h – suitable for both small‑batch fine screening and large‑scale continuous production line operations. For food powder processors with large daily throughput, a single linear screen matches the capacity rhythm of the entire line. Screening particle size covers 0.074‑5 mm – suitable for dry, non‑sticky powders and granules with moisture content below 7%.
Multi‑deck grading – multiple specifications from one feed. The equipment supports flexible configurations of 1 to 5 screen decks , enabling a single machine to produce 2 to 6 different particle size fractions simultaneously. For food powder production, the upper deck intercepts lumps and foreign matter, the middle decks achieve different particle size fractions, and the lower deck acts as a safety screen to ensure finished product purity – one machine, multiple functions – reducing material transfers between units. Screen mesh covers 2 to 500 mesh – flexibly adaptable to different food powder fineness specifications.
High screening accuracy – eliminating size mixing and cross‑contamination. Gaofu's linear vibrating screen achieves screening accuracy of over 95%. Screened food powder particles are uniform in size with high screening accuracy – effectively eliminating size mixing and cross‑contamination. The unique screen mounting structure ensures consistent particle size for every batch, with stable product quality.
In large‑scale food powder production, the low‑noise design of Gaofu's linear vibrating screen delivers multi‑dimensional value:
Improved workshop working environment. The vibration motors are optimised for low noise – operators are no longer exposed to high‑decibel vibration noise environments for extended periods. For large‑scale food powder processing workshops with multiple machines running simultaneously, this environmental improvement is particularly significant.
Reduced equipment fatigue. Smooth, low‑noise operation means significantly lower fatigue loads on mechanical components – extending equipment service life.
Compliant with environmental and production standards. The fully enclosed structure ensures minimal dust emission and low noise – meeting food industry environmental production standards. The fully enclosed frame, combined with a negative‑pressure dust extraction interface, effectively suppresses dust emission and improves the working environment.
Food powders are consumed directly or indirectly – placing strict requirements on screening equipment materials and hygiene standards. Gaofu's SZF series food powder linear vibrating screen is built to high food‑grade standards in materials and construction:
304/316L stainless steel construction. The entire machine is constructed of high‑quality 304 or 316 stainless steel – robust, corrosion‑resistant, and durable, meeting food and pharmaceutical industry hygiene standards. For the food and pharmaceutical industries, hygienic stainless steel models with rounded corners, no dead corners, and easy cleaning are available.
Fully enclosed structure – no dust emission. The equipment features a fully enclosed design – good sealing effectively reduces dust emission during screening. The fully enclosed frame can be paired with a negative‑pressure dust extraction interface for enhanced workshop environment.
Quick screen changes – easy maintenance. Screens use a tensioned installation structure – replacements can be made quickly without special tools. For production lines requiring frequent changes between different food powder varieties, this feature significantly reduces downtime and lowers maintenance costs.
Gaofu's SZF series food powder linear vibrating screen is widely used for screening and grading of various food powders and granular materials, including but not limited to:
Powdered sugars: White sugar powder, rock sugar powder, etc.
Starches: Corn starch, potato starch, etc.
Seasonings: Salt, monosodium glutamate (MSG), chicken powder, chilli powder, etc.
Bakery ingredients: Flour, breadcrumbs, freeze‑dried foods, etc.
Dairy products: Milk powder, whey powder, etc.
Other food powders: Dextrose, amino acids, food additives, etc.
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.
