Specially engineered for efficient dewatering of corn fiber and germ. Ideal for starch extraction preprocessing.
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Designed for high-viscosity products, crystal suspension feeds, and severe fouling liquids across global industrial operations.
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Industry-leading concentration solution for heat-sensitive liquids, ensuring short residence times and optimal thermal balance.
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Leverages high-speed fluidization principles to provide instant, uniform material drying during pneumatic transport.
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Custom energy-efficient multi-effect and waste heat thermal recovery evaporation designs tailored to complex liquor loads.
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High-precision germ removal machinery that preserves the structure of kernels for maximum oil extraction ratios.
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Optimized wetting design preventing tube fouling while concentration processing sensitive pharmaceutical extracts.
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Built with high-wear resistance rotors and screen designs to guarantee long operational lifespans under heavy corn wet milling.
Learn MoreIn modern industrial processing, dewatering is not simply an isolated unit operation; it is a critical process boundary condition directly impacting operational cost, production efficiency, and systemic carbon output. In industrial applications ranging from large-scale corn wet milling, food fermentation, bio-ethanol production, and pulp processing, to complex waste stream management, the goal is always to maximize dry solids recovery with minimal energy expenditure.
Our integrated approach utilizes mechanical compression (Single Screw Press) in tandem with targeted heat-sensitive liquid concentration (Falling Film & Forced Circulation Evaporator) and final pneumatic convective heat transfer (Airflow Dryer / Tube Bundle Dryer). This system architecture guarantees that the moisture content is reduced in the most thermodynamically sensible stages: first by pressure, then by low-temperature vacuum evaporation, and finally by convection, eliminating waste heat and maximizing process integration.
By routing the compressed vapor from mechanical vapor recompression (MVR) or waste heat from bundle dryers directly to preheat incoming slurries, plants can reduce their primary steam dependence by up to 45%. Mechanical dewatering using a screw press remains the most cost-effective stage, as extracting water physically requires significantly less energy than phase-change evaporation.
Globally, processors face a dual challenge: rising raw material and energy costs combined with increasingly strict environmental regulations regarding wastewater discharge and dry residue targets. From agricultural hubs in North America and starch refineries in Europe to tapioca processing centers in Southeast Asia, the requirement for heavy-duty, continuous-operation dewatering systems is scaling rapidly.
China has established itself as the global manufacturing center for high-capacity dewatering presses and concentration plants. Factories like Jiangsu Zongheng bridge the gap between premium western heavy-duty engineering standards (certified under ASME specifications) and highly cost-competitive, vertically-integrated component sourcing. This provides global customers with robust capital equipment that features lowered total cost of ownership (TCO) without compromising on reliability, structural integrity, or operating lifespan.
Different materials present entirely unique rheological behaviors. Dewatering corn fiber demands high shear resistance and structured compression profiles to expel interstitial water trapped within the fibrous matrix. Degerming, on the other hand, requires precision grinding to prevent starch yield loss. In the starch industry, our YDX Starch Washing Cyclone isolates and refines starch slurries through multi-stage hydrocyclone systems, while falling film evaporators concentrate steepwater into high-value condensed corn steep liquor (CCSL).
For industrial distilleries handling distillers wet grains (DDGS), the combination of forced circulation evaporators (designed for heavy fouling tendencies) and high-load tube bundle dryers converts problematic high-moisture slops into stable, nutrient-dense animal feed. The mechanical reliability of these systems under continuous 24/7 run conditions forms the operational foundation of modern biorefineries.
The future of dewatering equipment lies in dynamic feedback control systems. Next-generation single screw presses are incorporating real-time torque and moisture sensing. If the feed slurry's consistency varies, high-speed microcontrollers automatically adjust the backpressure cone displacement and variable frequency drive (VFD) speed. This avoids cake-slipping or screen clogging, keeping the output moisture content consistently within a ±0.5% tolerance range.
Similarly, smart evaporators utilize multivariable predictive control algorithms that monitor feed temperatures, pressure, and boiling point elevation, adjusting vacuum levels dynamically to optimize heat transfer efficiency under varying thermal loads. This AI-guided approach prevents over-evaporation, reduces cleaning cycles, and extends continuous operating times.
Established as Yixing Yangxi Light Industrial Machinery Factory in Zhoutie Town, Yixing City on the shores of Taihu Lake. Started with a modest team of 45 employees and 15 mu of factory area.
Pioneered the industry segment by securing the international ISO9001 quality system certification, establishing structured quality control metrics across all design and fabrication processes.
Formally recognized as a Jiangsu Provincial High-Tech Enterprise, underscoring our continuous research and development in industrial thermal concentration and mechanical drying systems.
Obtained the Special Equipment Manufacturing License of the People's Republic of China (License No.: TS2232C42) allowing the design and manufacturing of critical pressure vessel equipment.
Acquired the prestigious ASME "U" Stamp authorization, marking a major milestone for exporting pressure vessels, evaporators, and bundle dryers to western hemisphere markets.
Obtained updated international quality system certifications (Certificate No.: 45021), implementing a comprehensive, modern QA/QC infrastructure matching global engineering standardizations.
Operating a world-class manufacturing base covering 54,000+ square meters, with workshops exceeding 22,000 square meters. The company employs 3 senior engineers, 20+ specialized design engineers, and 120 dedicated manufacturing staff.
Jiangsu Zongheng is an active member of the China Starch and Alcohol Association. We maintain complete design-to-build control internally, adhering strictly to global frameworks such as the ASME Boiler and Pressure Vessel Code and European CE Directives. This allows us to supply fully compliant vessels, evaporators, and bundle dryers globally.
Our localized support structure coordinates with engineering installation teams globally. From mechanical installation oversight, electrical configuration integration, control system loop verification, to operational commissioning, our engineers ensure seamless deployment on site.
Designed with progressive pitch variation and narrowing channel depth to continuously compress incoming solids. Employs heavy-duty stainless steel wedge-wire screens with mechanical backpressure control to prevent cake blowout while maximizing liquid extraction yield.
High-efficiency liquid distribution trays form a continuous, uniform film inside the tubes. Gravity-assisted flow reduces residence time to seconds, preserving active components in heat-sensitive syrups or fermentation liquors with minimal fouling.
Utilizes high-velocity hot air currents to fluidize and transport wet particles. Pulse tube configurations generate rapid acceleration variations, allowing moisture extraction from inside the particles during pneumatic transport.
A steam-heated tube bundle rotates slowly within a stationary housing. Combines conductive heating with low-oxygen environments to dry starch and grain residues efficiently, preventing dust explosion hazards.
Specifically designed for corn wet milling processes. Features adjustable disc clearance to break kernels open cleanly and release the germ intact, maximizing downstream germ flotation separation efficiency.
Utilizes hydrocyclone separation cells connected in multi-stage counter-current washing arrays. Ensures maximum removal of soluble proteins, fine fiber, and mineral impurities to yield high-purity refined starch.
Our engineering division will customize a solution based on your material's initial moisture, target dryness, and operational energy limits.
Single screw presses excel in processing coarse, fibrous slurries with solid-containing matrices. Typical applications include corn fiber, corn germ, brewer's spent grains, agricultural waste residues, and wood pulp. High-mucilage, gel-like materials typically require conditioning or the addition of filtering aids to prevent screen extrusion.
Our falling film evaporators establish a vacuum inside the tubes, significantly reducing the boiling point of the liquid feed. Because the feed flows down the inner walls of the tubes as a thin film, it concentrates quickly. The residence time is only seconds, preventing thermal degradation and preserving the quality of vitamins, sugars, and proteins.
In forced circulation evaporators, high-capacity pumps move the slurry through the heat exchanger tubes at high velocity. The liquid is kept under pressure to prevent boiling inside the tubes. Boiling only occurs in the flash separator, which minimizes scale deposition, fouling, and crystallization on heat-transfer surfaces.
MQG airflow dryers are convective, pneumatic systems that dry free-flowing, fine particles almost instantly using high-speed hot air currents. ZXG tube bundle dryers are indirect steam-heated systems that dry larger quantities of materials by keeping them in contact with rotating, steam-heated tubes. This makes bundle dryers ideal for dense, sticky corn fiber cake or spent grains.
Yes. Since 2012, Jiangsu Zongheng has maintained official ASME U-stamp authorization. All pressure vessels, evaporators, and tube bundle dryers intended for international markets are designed, manufactured, and inspected in strict compliance with ASME Section VIII Division 1 guidelines and CE PED standards.
High-efficiency mechanical press dewatering systems built for long-term continuous operation in modern starch mills.
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Robust multi-stage concentration solutions engineered for high viscosity liquids, crystallization, and heavy fouling streams.
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Optimized with variable tube diameters to produce pneumatic turbulence, improving dry solids output consistency.
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Advanced thermal designs that increase heat transfer coefficients while reducing utility consumption.
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Multi-stage design developed specifically for starch refining, ensuring maximum recovery rates and clean, high-grade starch output.
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Engineered for high-yield germ separation in maize mills. Built for durability and easy disc adjustments.
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Industrial scale falling film evaporators engineered to process delicate, heat-sensitive feeds at low temperatures.
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Reliable and energy-efficient pneumatic drying systems built for continuous processing of fine grains and starches.
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