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Barley syrup is the core raw material for beer brewing and barley beverage production. Whether it is wort preparation or barley beverage slurry formulation, the purity of the syrup directly determines the taste, colour and stability of the final product.
However, barley syrup filtration is far from straightforward.
Barley syrup is a liquid material with high viscosity and high solids content. During the mashing process, barley releases large amounts of β‑glucans and pentosans, which give the syrup strong viscosity and surface tension. During filtration, the syrup tends to adhere to the screen mesh, block the openings, and – due to inadequate sealing – splash and leak. This not only wastes material but also contaminates the workshop environment, increasing cleaning difficulty and food safety risks.
Even more challenging is that beer and barley beverage production are typically continuous flow operations. Mashing, filtration, boiling and fermentation are closely linked; if the filtration equipment stops due to blinding or leakage, the entire line is forced to halt. For large‑scale breweries, every unplanned stoppage represents lost capacity and increased costs.
The Gaofu rotary vibrating sieve for barley syrup is a specialised machine designed specifically for the above requirements. With a sealed anti‑overflow structure to prevent leakage, efficient screening technology to ensure syrup purity, and food‑grade stainless steel to meet food safety standards, it provides a professional and reliable raw material pre‑treatment solution for beer and barley beverage producers.
The most common problem in barley syrup filtration is leakage or splashing from the connection points during operation. The syrup is viscous and has poor flowability. After prolonged operation of conventional filtration equipment, seals age and locking structures loosen, causing syrup to seep through the screen frame joints – resulting in costly material waste, contamination of equipment surfaces and workshop floors, and increased cleaning difficulty.
The Gaofu rotary vibrating sieve for barley syrup addresses this problem with systematic optimisation in both sealing structure and splash‑prevention design.
Multiple seal ring protection. All connection points – between screen frames, between screen frames and dust covers, and between discharge ports and pipelines – are sealed with food‑grade seal rings. The seal material can be silicone or fluororubber, selected according to the temperature, oil and corrosion resistance requirements of the barley syrup. Silicone seals offer good elasticity and wear resistance, suitable for food‑grade syrup filtration; fluororubber seals have excellent oil resistance, maintaining their shape and performance when in contact with oily syrups. A precisely designed locking mechanism ensures a tight seal between the screen frames and the housing, physically preventing liquid permeation.
Rim‑type anti‑splash design. During vibratory filtration, syrup may splash out from the feed port due to vibration. The Gaofu rotary vibrating sieve for barley syrup features a rim‑type design with an enlarged lip at the feed port, effectively preventing splashing. The large viewing port allows operators to observe the screen surface condition in real time and adjust the feed rate as needed.
Fully enclosed chamber. The equipment has a fully enclosed structure, with strict sealing at every connection point from feed to discharge. The syrup is filtered inside a sealed chamber – no liquid leakage, no splashing. The fully enclosed design also effectively blocks external foreign matter and moisture from entering the system, ensuring the purity of the barley syrup.
With these three layers of sealing assurance combined , the Gaofu rotary vibrating sieve for barley syrup maintains "zero‑leak" operation during continuous production – keeping the workshop clean and significantly reducing material loss.
While sealing prevents leakage, the core task of barley syrup filtration – removing solid impurities – is equally important.
Barley syrup contains solid impurities such as husk fragments, undissolved starch particles and protein coagulates. If these impurities are not removed in time, they will directly affect wort clarity, beer stability and the taste of barley beverages. In addition, solid impurities can block downstream heat exchangers and fermentation equipment, increasing maintenance costs.
The Gaofu rotary vibrating sieve for barley syrup achieves efficient solid‑liquid separation through the three‑dimensional vibration principle. The equipment uses a vertical vibration motor as the excitation source, with eccentric weights at both ends converting rotational motion into compound vibration in horizontal, vertical and tilting directions. The material moves in a spiral outward trajectory on the screen surface, with the liquid portion passing through the screen quickly while solid impurities are retained on the screen surface and automatically discharged.
Core technical advantages for barley syrup filtration:
High filtration accuracy. The equipment can achieve filtration precision down to 5 microns , effectively intercepting fine particles and suspended solids in the barley syrup, ensuring a clear filtrate. For beer brewing, this means wort clarity is reliably assured, and the stability and taste consistency of the finished beer are improved.
High throughput, suited to large‑scale production. Barley syrup filtration is typically a continuous operation, requiring high flow capacity. The Gaofu rotary vibrating sieve has high throughput and can run 24 hours continuously , with impurities automatically discharged without manual intervention. A single machine can match the production rhythm of a brewery mashing department without the need for multiple units in parallel.
Anti‑blinding design. Barley syrup is highly viscous and prone to blinding the screen. The equipment uses a high‑frequency, low‑amplitude vibration mode combined with an optimised screen frame structure, allowing the syrup to flow and return rapidly on the screen surface, effectively reducing the probability of blinding. An optional bouncing ball cleaning system can be added, with balls continuously tapping the underside of the screen during operation to dislodge adhering syrup and keep the mesh clear.
360° adjustable discharge ports. The discharge ports can be rotated 360° around the axis, making it easy to connect with upstream and downstream equipment and adapt to different workshop layouts. Whether connecting to a mash kettle, a holding tank or a fermentation vessel, flexible integration is achieved.
Barley syrup is used directly in beer and barley beverage production, so the filtration equipment must meet strict material and hygiene standards.
All material‑contact parts of the Gaofu rotary vibrating sieve for barley syrup are made of food‑grade stainless steel , with finely polished surfaces, no hygiene dead corners, and easy to clean. The equipment complies with food GMP standards, eliminating the risk of metal contamination at the material source.
The equipment features a fully enclosed sealed structure with food‑grade seals, and the filtration process takes place inside a sealed chamber. The fully enclosed design provides three assurances: preventing syrup leakage, improving the workshop environment; preventing foreign matter from entering the filtration system, ensuring the purity of the barley syrup; and reducing material loss, improving raw material utilisation.
The equipment supports CIP (clean‑in‑place) cleaning , allowing cleaning and sanitisation without disassembly – meeting the high‑frequency cleaning requirements of the beer industry.
The Gaofu rotary vibrating sieve for barley syrup is suitable for the following liquid material filtration applications:
Beer wort filtration. After mashing, the wort contains solid impurities such as husk fragments and protein coagulates. The rotary vibrating sieve performs solid‑liquid separation before the wort enters the boiling kettle, ensuring clear wort and providing a pure raw material for subsequent fermentation.
Barley beverage syrup filtration. During the slurry preparation stage of barley beverage production, removing undissolved starch particles and fibre impurities to ensure the taste and stability of the beverage.
Beer raw material pre‑treatment. Filtration of syrups generated during barley steeping, germination, drying and milling – removing large particles and fibre debris.
Other high‑viscosity syrup filtration. Solid‑liquid separation and fine filtration of high‑viscosity syrups in various food and beverage industries (such as fruit purees, starch slurries, seasoning slurries, 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
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.
