Discover our top-tier solid-liquid separation and thermal concentration systems engineered for efficiency and global regulatory compliance.
In modern industrial operations, sludge management is no longer merely a disposal obligation but a critical metric of operational efficiency, cost control, and environmental compliance. A highly efficient CE Certification Sludge Dewatering Press serves as the cornerstone for factories aiming to reduce water content, minimize transport volumes, and recover valuable process elements.
For international buyers, particularly those within the European Economic Area (EEA) and global markets that respect European safety standards, CE compliance represents a non-negotiable benchmark. A CE-certified sludge dewatering press guarantees that the equipment aligns with the essential health, safety, and environmental protection directives. This covers the Machinery Directive (2006/42/EC), Low Voltage Directive (2014/35/EU), and Electromagnetic Compatibility Directive (2014/30/EU). Without these certifications, operators face severe operational risks, legal liability, and safety hazards in volatile industrial environments.
The transition from conventional belt presses and filter presses to advanced screw press systems has revolutionized sludge management. The multi-plate screw press operates on a sophisticated continuous filtration principle. Utilizing a slow-rotating screw shaft embedded with dynamic (moving) and static (fixed) rings, it progressively increases pressure inside the chamber to squeeze out water. This continuous self-cleaning mechanism prevents clogging, minimizes washing water consumption, and delivers superior cake dryness compared to older technologies.
Understanding the exact mechanics of concentration, evaporation, and drying systems enables process engineers to design holistic waste treatment plants.
Jiangsu Zongheng's MQG Airflow Dryer employs high-speed hot air to suspend and fluidize the material. By utilizing impulse airflow generated from precisely varied tube diameters, it continuously tumbles the particles while conveying them. This design ensures rapid, uniform, and efficient drying throughout the entire transportation process within the system.
A falling film evaporator efficiently concentrates heat-sensitive liquids. The feed liquid forms a thin film flowing down heated vertical tubes, where it partially evaporates. Vapor generated flows parallel to the liquid, enhancing the process. It ensures a short residence time and low operating temperature, preserving product quality. The system requires proper liquid distribution and complete surface wetting to prevent fouling and maintain high thermal efficiency and operational stability.
China's industrial manufacturing ecosystem has evolved into a global leader in high-capacity chemical and environmental processing equipment. The primary advantages offered by Chinese manufacturers stem from robust supply chain integration, advanced materials science applications, and cost-effective precision engineering.
Jiangsu Zongheng Concentrating and Drying Equipment Co., Ltd (formerly Yixing Yangxi Light Industry Machinery Factory), founded in 1992, is located in Zhoutie Town, Yixing City, on the shores of the beautiful Taihu Lake. Our state-of-the-art facilities cover an area of over 54,000 square meters, with a specialized production workshop area exceeding 22,000 square meters.
As a modern high-tech enterprise, Jiangsu Zongheng specializes in the manufacturing of concentration, drying, starch processing systems, alcohol DDGS, and Category III medium & low-pressure vessel equipment. We are currently an active member of the China Starch and Alcohol Association. Our technological solutions are deployed globally across industries including food fermentation, chemical processing, pharmaceuticals, environmental protection, and petrochemistry.
A history built on rigorous quality compliance, continuous research, and international engineering code approvals.
The company covers a total area of over 54,000 square meters, with production workshop space exceeding 22,000 square meters. It currently employs 3 senior engineers and over 20 engineers and assistant engineers, with a total staff of 120 people.
Obtained international quality system certification (Certificate No.: 45021), establishing a complete quality assurance system aligned with international standards.
Acquired the ASME "U" Stamp authorization, marking the company's entry into a new phase of high-pressure vessel manufacturing and international project delivery.
The company obtained the Special Equipment Manufacturing License of the People's Republic of China (License No.: TS2232C42), authorizing the production of complex industrial vessels.
Officially recognized as a Jiangsu Provincial High-Tech Enterprise, reflecting our dedication to engineering R&D and technological innovation.
The company took the lead in obtaining ISO9001 certification, standardizing internal management, design, and manufacturing protocols.
Jiangsu Zongheng Concentrating and Drying Equipment Co., Ltd, formerly known as Yixing Yangxi Light Industrial Machinery Factory, was established in 1992. The company covered a total area of approximately 15 mu and began operations with 45 dedicated employees.
Our equipment lines are integrated into full-scale circular systems to handle agricultural waste, starch concentration, alcohol production, and chemical drying processes.
Compliance, accuracy, and international standards verified by premier licensing organizations.









Procurement teams sourcing sludge dewatering machinery need to address total cost of ownership (TCO) rather than simple capital expenditures (CAPEX). A highly durable screw press reduces operational costs (OPEX) in three major areas: polymer consumption, water for washdowns, and energy use.
For heavy industrial and zero-liquid-discharge (ZLD) installations, a dewatering press alone is not sufficient. To achieve maximum efficiency, factories integrate falling film evaporators or forced circulation evaporation plants with tube bundle dryers. In this configuration, the sludge is first mechanically dewatered to remove bulk water, then concentrated via evaporation plants, and finally dried to a granular, stable powder. This sequential layout reduces fuel consumption and minimizes waste volume by up to 95%.
Broaden your facility capabilities with our industrial concentration systems, waste heat recovery evaporators, and process cyclones.
Find detailed answers to key technical questions concerning CE-certified sludge dewatering equipment, operational constraints, and international standards.
We warmly welcome partners from various industries worldwide to visit our facilities in Jiangsu, China, to discuss technical specifications and project requirements.