Explore our heavy-duty processing machinery, designed for energy-efficient moisture reduction and chemical processing.
In modern industrial operations, solid-liquid separation represents one of the most critical stages in material processing. For decades, industries have grappled with the economics of thermal drying versus mechanical dewatering. Mechanically squeezing water out using a Single Screw Press remains the most thermodynamically and financially efficient technique for lowering moisture content before materials undergo downstream thermal processes.
Globally, the demand for screw presses is surging, driven by stricter environmental mandates, growing agricultural processing capacities, and the imperative for industrial decarbonization. From the starch processing hubs in Asia to the large-scale municipal sludge recovery units in Northern Europe, the single screw press has solidified its reputation as a rugged, low-maintenance workhorse capable of continuous operation under extreme mechanical stresses.
“By optimizing the mechanical expression phase, process operations can cut their energy usage in drying cycles by up to 50%, transforming standard plants into highly competitive, green production facilities.”
At its heart, the single screw press uses a helical screw rotating inside a cylindrical screen basket to exert continuously increasing pressure on the feedstock. As the feed enters the machine, the progressive reduction in pitch (or flight depth) forces the liquid through the screen perforated surface while retaining the compacted solids inside the chamber. The dewatered cake is continuously discharged through a variable back-pressure cone system, ensuring steady dryness levels despite fluctuations in input feed composition.
Understanding how mechanical dewatering components interface with industrial drying and evaporation loops.
Falling Film & Forced Circulation: Designed to process liquid streams by vaporizing moisture under vacuum. Crucial for concentrating feedstocks prior to crystallization or high-intensity drying.
Low-Oxygen Drying: The ZXG Tube Bundle Dryer utilizes steam-heated tubes rotating through bulk materials. It is the perfect partner for screw press dewatering, handling concentrated cake with minimal thermal stress.
MQG Impulse Dryers: Employs high-speed hot air to fluidize and dry fine particles instantly. Highly efficient for starch-based applications and light chemical powders post de-watering.
Decades of industrial manufacturing excellence on the shores of Taihu Lake.
Founded in 1992 (originally known as Yixing Yangxi Light Industry Machinery Factory), Jiangsu Zongheng Concentrating and Drying Equipment Co., Ltd. is situated in Zhoutie Town, Yixing City—a historic industrial hub. Today, we are a modern high-tech enterprise specializing in industrial concentration, drying systems, starch starch-refining technologies, alcohol DDGS plants, and Category III medium & low-pressure vessels.
As an active member of the China Starch and Alcohol Association, we serve diverse global sectors, including food fermentation, chemicals, pharmaceuticals, environmental protection, and petrochemical manufacturing. We leverage state-of-the-art production lines to engineer single screw presses that solve our clients' toughest mechanical separation problems.
A history of engineering achievements and technical quality certifications.
Yixing Yangxi Light Industrial Machinery Factory was founded with a total area of approximately 15 mu and a dedicated team of 45 employees, focusing on basic process components.
Our quality management standard was elevated, taking the lead in obtaining international ISO9001 standard certification to guarantee manufacturing uniformity.
Recognized as a Jiangsu Provincial High-Tech Enterprise, signaling our transition into advanced R&D and automated heavy industry engineering.
Obtained the Special Equipment Manufacturing License of the People's Republic of China (License No.: TS2232C42) for pressurized vessels and boilers.
Earned the American Society of Mechanical Engineers (ASME) "U" Stamp authorization, opening global export pathways for critical industrial modules.
Obtained international quality system certification (Certificate No.: 45021), aligning our workshop operations with global industrial specifications.
Our operations now span over 54,000 m² with a modern workforce of 120+ members, including senior design engineers and specialists in custom dewatering technologies.
Where mechanical separation and high-compression dewatering processes are vital.
Separation of wet corn fibers, potato pulp, cassava residues, and grain starch slurries to maximize yields and minimize energy consumption in thermal dryers.
Reducing moisture in industrial and municipal effluents, resulting in dense, handleable filter cake suitable for landfill deposition or waste-to-energy incineration.
Reject processing, fiber recovery, and processing of chemical slurries requiring constant mechanical compression and aggressive solvent extraction.
Inside the mechanics: how Jiangsu Zongheng optimizes wear resistance and performance.
To sustain operations under high hydraulic pressures and abrasive wear, a Single Screw Press must utilize premium metallurgies. Jiangsu Zongheng incorporates specialized structural materials and design options to guarantee longevity:
Our ongoing research focuses on integrating real-time moisture sensors and variable-frequency automation loops. This allows the press to automatically adjust its rotation speed and backpressure to prevent overload events while maintaining consistent moisture output.
Direct answers to critical engineering questions about single screw press applications.
Discover our complete line of industrial separators, starch washing cyclones, and specialized drying systems.
Looking for a custom mechanical separation solution? Work with our design engineers to build an efficient dewatering system configured for your plant's specific needs.
Connect with our technical support specialists for system optimization, spare parts inquiries, or details on custom manufacturing specs.
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