Explore our high-performance manufacturing range engineered for maximum operational efficiency and thermal economy.
In modern chemical, starch, and fermentation manufacturing landscapes, mechanical dewatering stands as the crucial gateway process prior to thermal drying. A high-efficiency screw dehydrator (commonly designated as a single screw press) functions under strict mechanical compression parameters, utilizing variable pitch flights to continuously force aqueous mixtures through a calibrated wedge wire screen. Globally, process plants face mounting operational pressures to reduce carbon emissions and optimize energy utility. The thermal energy required to evaporate water is approximately 2,260 kJ/kg, whereas mechanical separation requires only a fraction of this energy. By selecting a high-performance screw press system, engineering consultants can minimize overall utility expenditures and drastically optimize downstream thermal systems.
"From agricultural starch concentration to municipal digestate dewatering and waste heat distillation circuits, mechanical pre-concentration plays an essential role in reducing energy overheads by up to 60% compared to traditional dry-only systems."
Industrial screw dehydrators (single screw press units) utilize a rotating helical screw shaft inside a cylindrical screen chamber. As the feed material moves axially from the inlet hopper to the discharge outlet, the shaft volume increases and the screw pitch decreases progressively. This spatial reduction generates intense volumetric compression, forcing the liquid filtrate out through the surrounding screen profiles while retaining compacted solids. The cake thickness and dryness levels are regulated by an adjustable discharge regulator cone or pneumatic cylinder system, maintaining consistent counter-pressure and maximizing solid cake dryness.
Jiangsu Zongheng’s Single Screw Press products are engineered to optimize this dynamic dewatering curve. By selecting high-tensile alloys and utilizing precision-ground flight profiles, our equipment minimizes internal frictional losses, prevents screen binding (filter blinding), and increases torque resilience under extreme industrial loads.
China’s manufacturing landscape, particularly represented by specialized hubs like Yixing in Jiangsu Province, offers unparalleled benefits to global procurement managers:
Our dewatering systems are deployed in various heavy industrial configurations:
The solid-liquid separation industry is moving rapidly toward automation and zero-emission goals:
Jiangsu Zongheng Concentrating and Drying Equipment Co., Ltd (formerly known as Yixing Yangxi Light Industry Machinery Factory), established in 1992, is situated in Zhoutie Town, Yixing City, on the shores of Taihu Lake. The company spans over 54,000 square meters, featuring production workshops exceeding 22,000 square meters.
As a premier high-tech enterprise, Jiangsu Zongheng specializes in concentration, drying, starch extraction, DDGS, and Category III medium & low-pressure vessels. As a trusted member of the China Starch and Alcohol Association, our machinery serves food fermentation, pharmaceutical, petrochemical, and environmental industries globally.
A legacy of manufacturing excellence, safety compliance, and technological milestones over three decades.
Today, the company operates across 54,000+ m² with 22,000+ m² of advanced workshop space, employing 120 skilled staff including 3 senior engineers and 20+ specialized engineers.
Achieved International Quality System Certification (Certificate No: 45021), reinforcing our global quality assurance standards.
Acquired the prestigious ASME "U" Stamp Authorization, opening doors to major global projects and Western markets.
Obtained the Special Equipment Manufacturing License of China (License No: TS2232C42) for manufacturing low-and-medium pressure vessels.
Recognized officially as a Jiangsu Provincial High-Tech Enterprise for outstanding innovation in drying and concentration technology.
Took the industry lead by securing ISO9001 Quality Management System certification, validating our production protocols.
Established as Yixing Yangxi Light Industrial Machinery Factory, covering 15 mu with a dedicated team of 45 pioneers.
Combining mechanical press extraction with advanced evaporation & air-suspension drying systems.
Jiangsu Zongheng's MQG Airflow Dryer employs high-speed hot air to suspend and fluidize materials. By utilizing impulse airflow generated from varied tube diameters, it tumbles the particles while conveying them, ensuring rapid, uniform drying.
Designed for concentrating heat-sensitive liquids. The feed forms a thin film flowing down vertical tubes to evaporate quickly. It ensures a short residence time and low temperatures, preserving product quality while preventing fouling.
Specifically designed to efficiently dewater solid-containing slurries. Perfect for pre-treatment of corn fiber, germ, and industrial sludges, significantly reducing the downstream thermal load.
We maintain robust quality assurance programs certified under ISO9001 and ASME Section VIII. Our systems are engineered to withstand hazardous environments, ensuring continuous, high-performance plant operations.
The evaporator absorbs heat to vaporize media, while the condenser releases heat to liquefy vapor. Operating under low pressure, the evaporator generates cold energy and concentrates liquid mixtures. This mechanism underpins our modern MVR systems...
Expert technical answers regarding dewatering physics, screen maintenance, system throughput, and global standards.
Consult with our process engineers today to receive a customized technical proposal for your dewatering and concentration needs.
Engineered for high reliability, low energy consumption, and structural durability.
Zongheng