High-Quality Multi Effect Evaporator Suppliers & Factories

Next-Generation Concentration Technology & Industrial Drying Systems

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High-Efficiency Evaporation & Drying Systems

Jiangsu Zongheng MQG Industrial Airflow Dryer

China Suppliers Factory - Jiangsu Zongheng MQG Industrial Airflow Dryer

Achieve efficient material drying through high-velocity pneumatic suspension and uniform moisture transport mechanisms.

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China Falling Film Evaporation Plant

China Efficient Falling Film Evaporation Plant Solutions

Engineered explicitly for heat-sensitive liquids, providing low residence times and superior heat transmission rates.

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China Zongheng Degerming Mill Machine

China Zongheng Degerming Mill Machine for Maize Processing

Reliable and precision germ removal systems to optimize high-performance corn milling lines globally.

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Energy-Efficient Evaporation Solutions

High-Quality Energy-Efficient Evaporation Solutions

Advanced concentration solutions tailored to lower industrial steam consumption and decrease operational expenses.

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China Zongheng ZXG Tube Bundle Dryer

China Zongheng ZXG Tube Bundle Dryer

Indirect steam-heated drying configuration utilizing low-oxygen atmospheres to dry organic matrices safely.

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Jiangsu Zongheng Degerming Mill Machine Manufacturers

High-Quality Jiangsu Zongheng Degerming Mill Machine

OEM engineering systems for precision degermination process steps, manufactured under strict ISO and CE guidelines.

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Jiangsu Zongheng MQG Airflow Dryer

China Jiangsu Zongheng MQG Airflow Dryer Systems

Pneumatic flash drying system optimizing energy and moisture removal ratios for processing lines.

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China MVR Evaporation Plant

China MVR Evaporation Plant High-Efficiency Solutions

Mechanical Vapor Recompression loops designed to recycle latent heat, dropping energy costs by up to 80%.

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Industry Whitepaper

Multi-Effect Evaporator Technology: Thermodynamic Optimization & Sustainable Industry Trends

In modern process engineering, the search for thermal optimization, moisture separation, and overall operation sustainability has elevated Multi-Effect Evaporator (MEE) designs to crucial roles. MEE plants optimize steam utilities by utilizing vapor boiled off in one evaporation stage (or effect) to heat a subsequent stage operating at a lower boiling point. Through this thermodynamic cascade, energy efficiency is significantly amplified compared to single-effect structures.

1. Global Commercial & Industrial Status of Thermal Concentration

Regulatory frameworks regarding Zero Liquid Discharge (ZLD) are reshaping industrial processes globally. In North America, the European Union, and rapidly developing regions across Asia, industrial operations must handle concentrated wastewater streams while preserving reuse-quality condensate water. The commercial pressure to reduce Carbon Intensity Index (CII) scores requires that processing plants in the chemical, food, starch, and pharmaceutical sectors transition toward high-efficiency evaporator designs.

Key industrial drivers forcing this upgrade include:

  • Thermal Energy Cost Volatility: The costs of producing industrial steam have forced plant operations managers to seek higher economy figures (mass of water evaporated per unit mass of prime steam).
  • Resource Recovery Models: Circular economy approaches require recovering clean process water and valuable by-products (such as corn steep liquor, starch derivatives, and pharmaceutical proteins) from dilute waste streams.
  • Decarbonization Mandates: Hybrid operations integrating Mechanical Vapor Recompression (MVR) systems alongside Multi-Effect setups allow factories to balance electrical power inputs and thermal steam resources.

Thermodynamic Principle: The Multi-Effect Advantage

In a standard Multi-Effect Evaporator, steam enters the first effect's heat exchanger, transferring latent heat to evaporate solvent from the process feed. The boiled-off solvent vapor then acts as the heating medium for the second effect, which is kept under a higher vacuum (and thus boils at a lower temperature). This cycle repeats through successive effects, dramatically lowering net steam demands.

2. Global Enterprise Procurement Trends: Key Requirements

Industrial procurement teams look for verified manufacturing compliance and operational reliability when evaluating evaporation plant partners. The selection process extends beyond simple cost metrics, focusing heavily on:

  • ASME and International Certifications: For pressure vessels handling high-temperature mediums, compliance with the ASME "U" stamp, ISO 9001 quality systems, and CE certifications is non-negotiable.
  • Advanced Metallurgy: Corrosive waste streams or acidic process media (like corn steep liquor or chemical waste) require high-grade materials like Duplex Stainless Steels (2205/2507), Titanium, and Hastelloy.
  • Turnkey Process Integration: Enterprises prefer suppliers capable of delivering a complete system—integrating auxiliary dewatering devices like Single Screw Presses, Tube Bundle Dryers, and Airflow Dryers to ensure smooth, single-source process flows.

3. China Factory 4.0: Supply Chain Resilience & Efficiency

China's industrial equipment manufacturing has shifted to a Factory 4.0 paradigm, combining raw engineering scale with advanced quality control. Manufacturers like Jiangsu Zongheng Concentrating and Drying Equipment Co., Ltd. leverage smart fabrication systems, robotic welding, and automated non-destructive testing (NDT) to deliver ASME-certified components globally.

This localized supply chain ecosystem ensures major benefits:

  • Material Sourcing Efficiencies: Direct integration with premier steel mills allows rapid sourcing of specialized alloys, minimizing manufacturing lead times.
  • Precision Engineering: Utilizing CNC machining and automatic orbital tube-to-tubesheet welding ensures leak-free heat exchangers, maximizing heat transfer coefficients.
  • Cost-to-Performance Dominance: Highly integrated supply chains permit substantial cost reductions without compromising material thickness, component quality, or process validation testing.

Key Technical Advantages

  • Short Residence Time: Falling Film design preserves heat-sensitive compounds.
  • High Heat Transfer: Optimized film thickness increases evaporation efficiency.
  • Anti-Fouling Actions: Forced circulation mechanisms manage high-solubility salting and scaling.
  • Smart Control Loops: PLC/DCS automation controls delta-T and vacuum levels dynamically.

Need Custom Engineering?

Our engineering group reviews feed analytics, fouling tendencies, and local utilities to customize MEE/MVR setups that lower total lifetime operational costs.

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Engineering Portfolios

Integrated Processing & Drying Solutions

Airflow Dryer

Industrial Airflow Dryer Technology

Jiangsu Zongheng's MQG Airflow Dryer employs high-speed hot air to suspend and fluidize materials. By utilizing impulse airflow generated from precisely varied tube diameters, it continuously tumbles particles while conveying them. This design ensures rapid, uniform, and efficient drying throughout the entire transportation process within the system.

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Falling Film Evaporation Plant

Falling Film Evaporation Technology

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.

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Core Equipment Portfolio

Our manufacturing capabilities encompass critical processing equipment optimized for complex production lines:

Evaporator Plants (MEE, MVR, Forced Circ)
Single Screw Press Dewatering Systems
ZXG Tube Bundle Dryers (Indirect Steam)
MQG Industrial Airflow Dryers
Precision Maize Degerming Mills
YDX Starch Washing Cyclones
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Jiangsu Zongheng Factory Facility
Fabrication workshop Precision welding
E-E-A-T Credibility

About Jiangsu Zongheng

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 shores of Taihu Lake. Our modern high-tech enterprise covers an area of over 54,000 square meters, with a specialized production workshop area of over 22,000 square meters.

As an active member enterprise of the China Starch and Alcohol Association, we specialize in concentration, drying, starch extraction, DDGS processing, and Category III medium & low-pressure vessel fabrication. Our solutions are deployed worldwide in food fermentation, petrochemicals, pharmaceuticals, chemical manufacturing, and environmental water treatments.

Discover Our Credentials
30+
Years of Experience
20+
Senior Engineers
54k+
Factory Area (m²)
22k+
Production Plant Area (m²)
Our Journey

Key Milestones & Evolution

1992
Establishment 1992

Company Founded

Established as Yixing Yangxi Light Industrial Machinery Factory, covering 15 mu with 45 dedicated staff members.

2002
ISO Certification

Quality Systems Standard

Successfully acquired ISO9001 certification, standardizing internal quality control and management structures.

2007
High Tech Enterprise

High-Tech Certification

Recognized as a Jiangsu Provincial High-Tech Enterprise, focusing on R&D innovations in concentration and drying fields.

2009
Special Equipment License

Pressure Vessel License

Obtained the Special Equipment Manufacturing License of China (License No.: TS2232C42) for regulated vessel production.

2012
ASME Certification

ASME U-Stamp Authorization

Earned the ASME "U" Stamp credentials, allowing entry into high-standard international markets and oil/gas projects.

2015
International Quality System

Global Quality Alignments

Certified under the updated International Quality System (Cert No. 45021), aligning control loops to international targets.

2026
2026 Scale

Modern Industry Scaling

Expanding production lines with over 120 employees, including 3 senior engineers and 20+ specialized field engineering staff.

Operational Contexts

Localized Applications & Process Integration

Evaporation Processing

Evaporator Systems

Screw Press Applications

Screw Press Dewatering

Spin Dryer Solutions

Spin Drying Installations

Tubular Bundle Dryer Industry

Tubular Bundle Dryer

Advanced Drying Application

Thermal Sludge Recovery

ZLD Evaporators

Industrial Waste Management

Corn Wet Milling

Starch & Sweetener Concentration

Ethanol DDGS Processing

DDGS Co-Product Recovery

Quality Frameworks

Enterprise Qualifications & Certificates

Engineering Achievements
ISO Registration Certificate
Pressure Vessel License
ASME Certificate U Stamp
High Tech Verification
Association Membership
Quality Standard Documentation
Safety Certifications
Environmental Quality Approval
Information Gain FAQ

Technical FAQ: Multi-Effect Evaporator Design & Troubleshooting

How does a falling film evaporator prevent thermal degradation of heat-sensitive materials?

By distributing the feed liquid as a thin, continuous film flowing downward under gravity on the tube surfaces, the liquid moves at high velocities. This achieves a very low liquid hold-up and a short, single-pass residence time. Lower boiling temperatures are achieved by maintaining a high vacuum inside the vessel, minimizing heat exposure and protecting delicate products.

What are the primary differences between MEE and MVR systems?

Multi-Effect Evaporators (MEE) use fresh steam to heat the first effect and rely on cascading vacuums and temperatures to reuse vapor in subsequent stages. Mechanical Vapor Recompression (MVR) systems compress the evaporated vapor using a centrifugal compressor, increasing its temperature and pressure so it can be reused as the heating source for the same effect. MVR requires electricity to run the compressor, whereas MEE relies primarily on steam.

How does Zongheng mitigate fouling in wastewater concentration applications?

For streams prone to crystallization or high scaling (such as corn steep liquor and salt wastewater), we specify Forced Circulation Evaporators. High-velocity recirculation pumps keep the liquid moving fast inside the heat exchanger tubes. This high velocity creates turbulence that prevents crystallization on the tube walls, directing solid formation into a dedicated flash separator instead.

Why is ASME certification critical for multi-effect systems?

ASME Section VIII Div 1 rules regulate pressure vessel design, fabrication, and testing. With evaporators operating under high vacuum and steam pressures, compliance ensures safety, structural integrity, and weld quality. This makes international approvals and field operation runs much smoother.

Technical Articles

Engineering Insights & Updates

Evaporator article banner
calendar icon Jun 18, 2026

Today, Jiangsu Zongheng Concentration and Drying Equipment Co., Ltd., a manufacturer of evaporators, shares basic operational comparisons:

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 solutions efficiently. Modern system configurations balance these thermodynamic steps to reduce net energy consumption while maintaining reliable, continuous operation.

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Explore Our Complete Concentrator & Dryer Portfolio

China Waste Heat Evaporator

China Waste Heat Evaporator Factory Solutions

Reclaim thermal energy from dryer vapors and process exhaust to concentrate industrial wastewater streams cost-effectively.

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China Zongheng Degerming Mill Machine

China Zongheng Degerming Mill Precision Solutions

Ensures high-efficiency germ separation in wet corn milling, increasing starch recovery rates downstream.

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China Zongheng Degerming Mill Machine Top Suppliers

China Zongheng Degerming Mill Top Supplier Factory

Heavy-duty milling equipment engineered to run continuously under demanding factory conditions.

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China Suppliers Factory Waste Heat Evaporator

Waste Heat Evaporator for Corn Steep Liquor Treatment

Specialized evaporators designed to process highly viscous liquors using waste energy streams.

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High-Quality Forced Circulation Evaporation Plants

High-Quality Forced Circulation Evaporation Plants

Our premier system for highly scaling fluids, utilizing high-velocity pumps to prevent tube fouling.

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China MVR Evaporation Plant

China MVR Evaporation Plant Energy-Efficient Technology

Advanced vapor recompression systems that lower overall energy use and carbon footprints.

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China Suppliers Factory MQG Airflow Dryer

China Factory MQG Airflow Dryer High-Speed Systems

Pneumatic flash drying system engineered for processing starches, fibers, and organic feeds.

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China Jiangsu Zongheng Single Screw Press

China Jiangsu Zongheng Single Screw Press Dewatering

Robust mechanical separation systems designed to lower moisture content in solids before drying.

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