Over 10,000+ customers' choice, Focus on screening industry 40+ years
Food workshops have far stricter hygiene requirements for equipment than general industrial settings. As equipment that comes into direct contact with flour, the vacuum feeder's hygienic design directly affects the safety of the final product.
Material selection: Food‑grade stainless steel is the basic requirement.
All parts that contact flour should be made of 304 or 316L food‑grade stainless steel. 304 stainless steel offers good corrosion resistance and oxidation resistance, capable of withstanding moisture and acidic components in flour; 316L stainless steel provides even better corrosion resistance for applications with higher hygiene standards. The main structure of Gaofu's vacuum feeding system is constructed of 304/316L food‑grade stainless steel, with polished internal surfaces that are smooth, non‑stick, and easy to clean. The equipment complies with GMP (Good Manufacturing Practice) standards, making it an ideal choice for bakery chains and food processing enterprises.
Structural design: No dead corners, easy to clean.
The structural design of food equipment should avoid dead corners – any corner where material may accumulate and be difficult to clean can become a breeding ground for microorganisms. Gaofu's feeding system uses fully enclosed pneumatic conveying design – the internal surfaces of conveying pipes are mirror‑polished, with no dead corners and minimal material residue. This prevents dust contamination and foreign matter intrusion at the source, building the first line of defence for food safety.
Fully enclosed conveying: Eliminating secondary contamination.
Raw materials should never contact air or personnel directly from feeding through conveying. Gaofu's vacuum feeding system features a fully enclosed structure, combined with a dust‑free feeding station and vacuum feeder – material is conveyed from bag opening to delivery in a negative‑pressure environment, effectively suppressing dust emission. The system effectively controls workshop dust concentration to ≤10 mg/m³, complying with the requirements of the General Hygiene Standard for Food Production (GB 14881‑2013). There is no raw material exposure or secondary contamination throughout the process, fully meeting the hygiene standards of commercial food production.
Food production typically operates in continuous mode – equipment downtime means the entire production line stops. The operational stability of the vacuum feeder directly affects the plant's capacity and profitability.
Fully automatic control reduces manual intervention.
Gaofu's vacuum feeding system incorporates an intelligent coordinated control module – flour, sugar powder, and other ingredients are automatically fed at the right rate according to the process sequence, without manual intervention, achieving seamless "feeding‑mixing‑forming" operation. The system features a touchscreen interface for preset recipes – one‑click start of the feeding process. Operators simply set parameters, and the system runs automatically according to preset programmes, significantly reducing the risk of production interruptions caused by human error.
Durable key components ensure low failure rates.
The core components of the vacuum feeder – vacuum pump, filters, conveying pipes – directly affect operating life and failure rates. Gaofu's vacuum feeder achieves efficient, dust‑free, automated material conveying through vacuum suction. The system operates stably without leakage, with a simple structure and easy maintenance. Mean time between failures is extended, and maintenance cycles are reduced from several times per week to once per month.
Explosion‑proof safety design eliminates hazards.
Flour dust is a combustible dust – accumulation to a certain concentration in the workshop poses a safety hazard. Gaofu's vacuum feeding system core equipment has passed national explosion‑proof (CNEX) certification, reducing explosion risks. The system is equipped with explosion‑proof design and dust explosion protection systems. During equipment selection, confirm that the equipment meets dust explosion protection design requirements.
Flour is a classic dust‑prone powder – dust control at the feeding stage is one of the core reasons food plants choose vacuum feeders.
Negative‑pressure dust collection actively captures dust.
The dust‑free feeding station maintains a micro‑negative pressure during feeding. Dust generated when operators open and tip bags is directionally drawn into the filtration system rather than escaping. Gaofu's dust‑free feeding station uses negative‑pressure dust collection technology, controlling dust emission to below 0.1 mg/m³. This active collection method is more effective than simply relying on an enclosed structure – dust is not just "contained," it is "captured and processed."
Vacuum conveying – fully enclosed throughout.
The vacuum feeder uses a vacuum pump to evacuate the system, creating a vacuum state. Powdered material is drawn into the suction nozzle with outside air, forming an air‑material mixture that travels through the conveying pipe to the hopper, where air and material are separated. The separated material enters the receiving equipment. Fully enclosed pipe conveying – dust‑free, leak‑free – keeps the workshop clean.
Pulse‑jet reverse cleaning maintains sustained efficiency.
The equipment is equipped with a pulse‑jet cleaning device that automatically cleans filter elements at regular intervals, maintaining consistent filtration efficiency. Operators do not need to manually clean filters frequently – the equipment runs stably for extended periods.
The value of a vacuum feeder lies not only in dust control but in fundamentally transforming the feeding method – from manual handling, bag opening, and tipping (physical labour) to automated, intelligent equipment operation.
Significantly improved feeding efficiency.
Automated feeding is 3‑5 times faster than manual operation, increasing single‑line capacity by over 30%. Gaofu's vacuum feeding system covers conveying capacities of 200‑6000 kg/h, with conveying distances of 1‑30 metres. For food processors with large daily throughput, this means the feeding stage no longer bottlenecks the entire production line.
Substantial labour cost reduction.
One system can replace 3‑5 workers – no manual handling, weighing, or dumping of ingredients. For a medium‑sized bakery, the system replaces 12 manual positions, saving approximately RMB 800,000 in annual labour costs. Each production line requires only 1‑2 operators, significantly reducing labour and management costs.
Greatly reduced material loss.
The fully enclosed negative‑pressure design means no material loss during feeding – raw material conveying loss rate drops from 3% in traditional processes to 0.5%. Material loss rate drops from 2.3% to below 0.8%. The material savings accumulated over long‑term operation are substantial.
Modern food production places increasing demands on data traceability. The intelligent control capability of vacuum feeders is a dimension that food plants should not overlook during selection.
Recipe management and precise metering.
Gaofu's vacuum feeding system is equipped with dedicated automatic metering modules – accuracy for flour and sugar powder ≤±0.5%, for oil and water ≤±0.3%. The system supports multiple preset recipes – one‑click product changeovers. It is equipped with recipe confidentiality management – password‑protected access, automatic recipe‑based batching. For medium‑to‑large batches, batching accuracy can reach ±0.2%; for small batches, error ≤±0.1%.
Real‑time data monitoring and traceability.
The system monitors equipment current, operating time, and other performance data in real time. It can interface with MES information systems – raw material usage data is uploaded in real time for digital management. Production data including material consumption, feed rate, and equipment status are collected and synchronised in real time. Managers can monitor the entire production process through the touchscreen interface.
Remote maintenance and AI learning.
The system supports remote diagnostics and programme optimisation, with automatic reminders according to maintenance schedules. Weighing and batching modules feature intelligent learning programmes that automatically calibrate accuracy parameters.
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.
