Engineered Solutions for High-Efficiency Concentration & Thermal Processing
Custom thermal designs utilizing multi-effect configurations and vapor compression models to slash operations overhead and minimize footprint.
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Designed specifically for heat-sensitive food, pharma, and chemical liquids requiring short residence times and precise temperature control.
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Leverages high-speed fluidized hot air vectors to yield instant moisture extraction from granular and crystalline processing streams.
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Highly optimized industrial airflow architecture ensuring complete drying consistency for starch, agricultural, and mineral materials.
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Heavy-duty mechanical dewatering designed to extract liquids from fiber-rich slurries and industrial sludge, lowering drying loads.
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Uniform liquid distribution system across vertical tube structures guaranteeing high heat transfer coefficients and scale prevention.
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Cutting-edge thermal engineering integrating MVR, TVR, and multi-effect designs for severe chemical and wastewater environments.
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Robust corn germ separation systems offering clean starch extraction, maximizing output purity and by-product valuation.
Learn MoreThermodynamic Principles, Structural Quality compliance, and Future System Architectures
Industrial water evaporation machines are foundational components in chemical synthesis, bio-pharmaceutical isolation, starch processing, and wastewater mitigation (Zero Liquid Discharge - ZLD). The thermodynamic baseline dictates that the transition of water from the liquid to vapor phase requires roughly 2260 kJ/kg of energy. Minimizing primary steam intake during this phase transition defines modern system engineering.
Mechanical Vapor Recompression (MVR): By using a mechanical compressor (centrifugal fan or roots blower), MVR systems recompress the overhead exhaust vapor, elevating its temperature and pressure. The recompressed steam is then fed back as the heating medium into the calandria. This cycle virtually eliminates the demand for external prime boiler steam, operating purely on electrical energy driving the compressor.
Falling Film Plants: Optimal for heat-sensitive streams, feed liquor is distributed evenly across vertical heat exchanger tubes. The fluid cascades down internal surfaces as a continuous thin film under vacuum conditions, accelerating heat transfer coefficients while maintaining low thermal degradation risk.
For high-viscosity products, crystal-containing slurries, and scaling-prone wastewaters, Forced Circulation Evaporators represent the industry standard. High axial flow pumps circulate the liquid rapidly inside heat exchanger tubes under hydrostatic pressure, preventing boiling on the tube walls. Boiling only occurs when the liquid flashes into the separator vessel, successfully mitigating crystallization deposits on high-value heat transfer surfaces.
In starch processing plants, integration with the MQG Airflow Dryer and Single Screw Press is vital. Solid-liquid separation reduces the thermodynamic burden of the downstream flash dryers, while concentration of the filtrate streams ensures high organic recovery rates. The synergistic operation of these systems guarantees zero production waste.
Deploying heavy industrial capital machinery internationally demands adherence to rigorous structural, safety, and operational standards. For European markets, CE Certification is mandatory, confirming that pressure vessels, electrical components, and structural frames comply with the Pressure Equipment Directive (PED) 2014/68/EU and the Machinery Directive 2006/42/EC. Global operators look for standard validations such as the ASME "U" Stamp for code-welded pressure components, ISO 9001 quality frameworks, and localized environmental certifications.
As a leading hub of manufacturing infrastructure, China's modern factories leverage advanced robotic welding, precise CNC machining, and vertically integrated supply chains. This keeps lead times down and maintains consistent material quality. Selecting corrosion-resistant alloys, such as duplex steels (2205/2507), Hastelloy, and high-purity Titanium (Grades 1 & 2), ensures prolonged equipment life even when handling aggressive chlorides in industrial effluents.
Integrating Industry 4.0 IoT Monitoring & Ultra-Low Carbon Thermodynamic Loops
Real-time thermodynamic optimization via predictive AI algorithms. Prevents scaling before it forms by monitoring thermal resistance changes dynamically across the evaporative surfaces.
Complete compliance with PED, Machinery Directives, and ASME Section VIII Div 1. Rigorous non-destructive testing (NDT) including radiography, ultrasonic testing, and hydrostatic trials.
Engineered systems that integrate waste flash streams from dryers, stack emissions, and boiler blowdowns, turning waste heat into process energy to lower operating costs.
A Legacy of Thermal Engineering and Precision Manufacturing Since 1992
Jiangsu Zongheng Concentrating and Drying Equipment Co., Ltd (formerly Yixing Yangxi Light Industry Machinery Factory), founded in 1992, is situated in Zhoutie Town, Yixing City, on the scenic shores of Taihu Lake. Over three decades of growth, the company has established a facility spanning 54,000 square meters, with specialized heavy fabrication workshops occupying over 22,000 square meters.
We are a high-tech manufacturer specializing in evaporation plants, continuous drying equipment, starch cyclones, and Category III medium and low-pressure vessels. As an active member of the China Starch and Alcohol Association, our machinery plays a critical role in food fermentation, pharmaceuticals, environmental wastewater ZLD, and global petrochemical applications.
Over 30 Years of Technical Innovation & Quality Approvals
Our facilities cover more than 54,000 square meters, with a dedicated team that includes 3 senior structural engineers, 20+ specialized application engineers, and 120 technicians manufacturing equipment for global process markets.
Obtained international quality assurance standard compliance certification (Certificate No.: 45021), establishing a structured quality control workflow for pressure and thermal plant projects.
Acquired ASME "U" Stamp authorization for pressure vessel welding and assembly, enabling the company to design and deliver compliant process vessels for the North American market.
Acquired the Special Equipment Manufacturing License of the People's Republic of China (License No.: TS2232C42) for fabricating Category II and III pressure vessels.
Officially recognized as a Jiangsu Provincial High-Tech Enterprise, honoring our investment in thermodynamic research and manufacturing process development.
Achieved ISO 9001 Quality Management System registration, standardizing our engineering design, manufacturing inspection, and project delivery procedures.
Established as Yixing Yangxi Light Industrial Machinery Factory, covering 15 mu of land with 45 pioneering employees dedicated to building agricultural processing machinery.
Fully Integrated Process Equipment for Industrial Plant Configurations
Zongheng provides energy-efficient, high-performance evaporation solutions including MVR, TVR, falling film, and forced circulation plants tailored to chemical and environmental wastewater streams.
Specifically engineered for heat-sensitive liquids. The feed forms a thin film flowing down vertical tubes, maximizing heat transfer efficiency while minimizing residence time.
A heavy-duty system built for highly viscous, scaling, or crystallizing streams. High circulation velocity prevents tube fouling and ensures continuous operations.
Mechanical Vapor Recompression plants compress exhaust steam to reuse it as the heat source, reducing utility bills and carbon footprints.
Integrates drying vapors, stack emissions, and other low-temperature waste heat sources to drive the concentration cycle without using live steam.
Efficiently dewaters solid-containing slurries and industrial fibers, lowering drying energy requirements downstream.
Provides low-oxygen drying for temperature-sensitive granular products, utilizing steam-heated tube bundles for gentle processing.
Employs high-velocity hot air vectors to fluidize, suspend, and flash-dry granular materials during pneumatic transport.
Engineered for precise corn wet-milling, separating the germ from kernel structures to ensure starch purity.
YDX multi-stage hydrocyclone systems engineered for high-efficiency washing, refinement, and concentration of starch suspensions.
Field-Proven Systems for Diverse Global Sectors
Verified Quality Management Systems Meeting European & ASME Standards
Our quality system is verified across international industrial design and fabrication directives, including ASME "U" authorization, Chinese pressure equipment manufacturing permits, and CE certification for European plant installations.
Key Design Parameters, Operation Standards, and Metallurgy Selection
Thermodynamic Analysis & Process News
Jun 18, 2026
The evaporator absorbs heat to vaporize media, while the condenser releases heat to liquefy vapor; the two perform opposite cooling and heating functions. Operating under low pressure, the evaporator generates cold energy and concentrates liquid products through advanced thermodynamic vapor loops.
Read Full ArticleGet in touch with our engineering team for customized thermodynamic calculations, layout designs, and compliance documentation templates.
Compliance, Performance, and Value Engineering
High-velocity liquid loop systems designed to handle high-salinity organic process wastewater and crystallization plants without scaling.
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Verified for compliance with European PED directives. Features optimized steam-saving loops and integrated automated heat recovery exchangers.
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High-speed rotor mills engineered for crushing maize to separate germ fractions without damaging oil-bearing components.
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Recovers heat from flue gases and drying exhausts to run evaporation processes, helping facilities lower operational carbon footprints.
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Advanced concentration system featuring high heat transfer coefficients and low liquor hold-up times, perfect for dairy and sugar refining.
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Heavy-duty crystallization evaporation loop certified for European PED specifications, equipped with automated boiling control systems.
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Utilizes high-performance turbo compressors to recycle latent heat of vaporization, reducing overall facility energy costs.
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Engineering service and manufacture of specialized waste heat concentration packages designed to utilize hot process water and dryer exhaust loops.
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