High-Quality Effect Evaporator Manufacturers & Suppliers

Providing Leading Thermal Concentration and Separation Technology Globally. Engineered by Jiangsu Zongheng.

Premium Solutions

Featured Industrial Systems

Zongheng Degerming Mill Machine

Zongheng Degerming Mill Machine

High Precision Corn Processing Factory Solutions engineered for maximum yield and dry starch purity.

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Degerming Mill Machine Suppliers

Efficient Degerming Mill

High-Performance Suppliers & Factory solutions for efficient maize processing plants seeking high germ recovery rates.

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Forced Circulation Evaporation Plant

Forced Circulation Evaporation Plant

Reliable Suppliers & Factory systems built for high viscosity, scaling-prone liquid concentrations and crystallizers.

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Waste Heat Evaporator

Waste Heat Evaporator Plant

Optimized for industrial wastewater treatment. Substantially reduces primary steam usage and overall operating costs.

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ZXG Tube Bundle Dryer

ZXG Tube Bundle Dryer

Efficient indirect steam drying system for starch, agricultural residues, and chemical bulk materials processing.

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Jiangsu Zongheng Waste Heat Evaporator

Zongheng Waste Heat System

Designed specifically to capture and utilize waste vapor from dryers and distillation loops, cutting emissions.

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Falling Film Evaporation Plant

Falling Film Evaporation Plant

Ensures mild, uniform thermal treatment for heat-sensitive liquids. Ideal for food, starch, and pharma.

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High-Performance Evaporation Technology

High-Performance Evaporation System

Energy-efficient configuration built to maximize heat recovery ratios and secure optimal throughput metrics.

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Industry Technical Insights

High-Efficiency Evaporation Systems: Engineering and Energy Dynamics

In modern process engineering, industrial evaporation is a critical thermal unit operation used to concentrate non-volatile solutes from volatile solvents. The selection of an appropriate configuration—whether a Multi-Effect Evaporator (MEE), Mechanical Vapor Recompression (MVR), or a hybrid system—directly determines the OPEX and environmental footprint of plant operations. As global manufacturing targets carbon neutrality, the optimization of steam-to-solvent ratios has shifted from a financial metric to a strict regulatory requirement.

At Jiangsu Zongheng Concentrating and Drying Equipment Co., Ltd., we utilize thermodynamic principles to design evaporative plants that optimize heat transfer coefficient (U), minimize thermal degradation of heat-sensitive compounds, and significantly suppress fouling rates. By matching process kinetics with fluid behavior, our systems achieve lower temperature differences (ΔT) between effects, thereby increasing overall energy efficiency.

Evaporation Technology Type Typical Steam Consumption Ratio Best Suited Feed Materials Primary Energy Source Capital Investment (CAPEX)
Falling Film Evaporation 0.20 - 0.25 (for 5-Effect) Low to medium viscosity, heat-sensitive juices, corn steep liquor Thermal Steam Moderate
Forced Circulation Evaporation 0.22 - 0.28 (for 5-Effect) High scaling, salting, crystallization slurries, wastewater concentrates Thermal Steam & Pump Power High
Mechanical Vapor Recompression (MVR) 0.01 - 0.05 (Steam Equivalent) Highly diluted, stable liquids, clean wastewater stream recovery Electrical Energy Very High
Waste Heat Driven Evaporation Near Zero (uses waste vapor) Light industrial wastewater, distillery residues, thin vinasse Dryer Exhaust / Flash Steam Moderate to High
Original Core Categories

Jiangsu Zongheng Product Categories & Technical Focus

Evaporator

Energy-efficient, high-performance evaporation solutions including falling film, forced circulation, MVR, and waste heat layouts tailored to handle challenging fluids.

Single Screw Press

Specially engineered for efficient dewatering of corn fiber, germ, and various solid-containing process materials prior to drying cycles.

Tube Bundle Dryer

Guarantees safe, low-oxygen drying via indirect steam heating, specifically designed for temperature-sensitive bulk solids.

Airflow Dryer

Leverages high-speed hot air to suspend and dry materials continuously. Prevents thermal damage to final product grains.

Degerming Mill

Provides ultra-precise mechanical germ separation for corn milling systems to ensure high yield, low starch content in recovered germ.

Starch Washing Cyclone

High-efficiency multicyclone plants engineered to wash, concentrate and refine crude starches to reach superior chemical purity.

Airflow Dryer Technology

MQG Airflow Dryer Technology

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.

  • Rapid, uniform, and efficient drying during transport.
  • Saves plant space compared to standard rotary kilns.
  • Maintains material purity without environmental degradation.
Falling Film Evaporation Plant

Falling Film Evaporation Plant Systems

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.

  • Short residence time within heating tubes to preserve vital product traits.
  • Low operating temperature differentials minimize thermal damage.
  • Optimal distribution and wetting prevent dry spots and fouling.
Global Procurement Demands

Macro-Industry Concentration & Waste Solutions

Corn & Starch Wet Milling

In starch processing plants, energy consumption is highly concentrated in steepwater evaporation and gluten/fiber drying loops. Our integrated multi-effect falling film evaporators use the flash steam of tube bundle dryers to concentrate corn steep liquor (CSL). This system saves up to 40% in thermal utility usage, turning a volatile byproduct into clean condensates and premium animal feed inputs.

Zero Liquid Discharge (ZLD)

For chemical and pharmaceutical plants, managing high-salinity industrial effluent is a critical operating challenge. Forced circulation crystallizers, powered by MVR technology, recover pure water for internal recycling. This system effectively separates solid salts (e.g., sodium chloride, sodium sulfate) for safe disposal, ensuring compliance with strict environmental regulations.

Bio-Ethanol & DDGS Plants

In bio-refineries, the distillation and dehydration steps produce large quantities of thin vinasse. Our multi-effect waste-heat evaporators utilize vapor from the distillation columns to concentrate thin vinasse into syrup. This syrup is then mixed with wet grains to produce DDGS, optimizing process energy use and reducing emissions.

Technological Innovation

The Evaporator Engineering Roadmap & Future Trends

The next generation of industrial concentration equipment focuses on the integration of materials science, advanced thermodynamic modelling, and real-time process control. Jiangsu Zongheng is actively investing in three primary technology areas:

  1. Advanced Corrosion Resistance: Utilizing duplex stainless steels (such as SAF 2205 and SAF 2507) and titanium tubes to construct calandrias that process highly acidic or chloride-rich solutions without localized pitting or stress corrosion cracking.
  2. Dynamic Liquid Distribution: Development of proprietary distribution plates and nozzle designs that maintain uniform film thickness even during volatile flow rates, preventing localized boiling dry and chemical fouling.
  3. AI-driven Predictive Control: Implementing smart sensor arrays connected to feed pumps, vacuum control valves, and vapor compressors to dynamically adjust to changing raw feed conditions, avoiding manual system overrides.

By focusing on these technologies, we help plants reduce maintenance downtime and achieve stable operations, supporting long-term, energy-efficient production cycles.

Get to Know Us

About Jiangsu Zongheng

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. The company covers an area of over 54,000 square meters, with a production workshop area of over 22,000 square meters.

As a modern high-tech enterprise, we specialize in the manufacturing of concentration, drying, starch industry, alcohol DDGS, and Category III medium & low-pressure vessel equipment. We are an active member of the China Starch and Alcohol Association, serving partners worldwide in food fermentation, chemical, pharmaceutical, and environmental protection sectors.

30+
Years of Experience
20+
Senior Engineers
54k+
Factory Area (m²)
22k+
Production Plant (m²)
Milestones & Growth

Company History & Milestones

1992 Zongheng 1992 Foundation

Foundation

Established as Yixing Yangxi Light Industrial Machinery Factory, covering 15 mu with 45 employees.

2002 Zongheng ISO Certification

ISO Certification

Took the lead in obtaining ISO9001 quality management system certification, formalizing quality control processes.

2007 High-Tech Enterprise

State Recognition

Officially recognized as a Jiangsu Provincial High-Tech Enterprise for innovations in thermal evaporation.

2009 Manufacturing License

Special Equipment License

Obtained the Special Equipment Manufacturing License of the P.R.C. (License No.: TS2232C42) for pressure vessels.

2012 ASME Certification

ASME Authorization

Acquired the ASME "U" Stamp authorization, marking a major milestone for global supply expansion.

2015 International Quality System

Global Standards

Upgraded international quality system certification (Certificate No.: 45021) for advanced quality assurance.

2026 Zongheng Modern Factory

Modern Enterprise

Grew to over 54,000 m² total area with 22,000 m² of modern workshops and a professional engineering team.

Proven in Practice

Industrial Application Domains

Evaporator Application

Evaporator Systems

Concentration of industrial feedstocks.

Screw Press Application

Screw Press Solutions

Organic fiber dewatering operations.

Spin Dryer Application

Spin Dryer Systems

High-efficiency granular product separation.

Tubular Bundle Dryer App 1

Tubular Bundle Dryer

Indirect heating and drying of biological bulk solids.

Tubular Bundle Dryer App 2

Process Dehydration

Industrial-scale drying for starch lines.

Tubular Bundle Dryer App 3

Thermal Processing

Reliable drying for byproducts.

Tubular Bundle Dryer App 4

Organic Bulk Drying

Handling challenging animal feed compounds.

Tubular Bundle Dryer App 5

Industrial Driers

High-capacity moisture reduction systems.

Quality Assured

Rewards & Quality Certificates

Company Honors Overview
Cert 1
Cert 2
Cert 3
Cert 4
Cert 5
Cert 6
Cert 7
Cert 8

Are you ready to start?

We warmly welcome friends from various industries, both domestic and international, to visit us for cooperation and mutual development!

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Contact Us

Get to know our detailed contact information and get in touch with our technical sales division directly today.

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Media Center

Latest Industry News

Evaporator vs Condenser
Icon Jun 18, 2026

Today, Jiangsu Zongheng Concentration and Drying Equipment Co., Ltd., a manufacturer of evaporators...

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 processing liquids, establishing the thermal basis for separation loops.

Read Full Story →
Information Gain FAQ

Technical Questions & Expert Answers

Q1: What are the primary advantages of utilizing MVR over traditional Multi-Effect Evaporators? +
Mechanical Vapor Recompression (MVR) systems recycle latent heat by compressing secondary vapor using a mechanical compressor, raising its temperature and pressure before feeding it back as the heating source. This eliminates the need for live boiler steam during stable operations, reducing energy costs by up to 90% compared to a single-effect thermal system. However, Multi-Effect Evaporators (MEE) remain preferred for low feed volumes, highly corrosive liquids, or applications where low-cost waste heat is readily available.
Q2: How does Jiangsu Zongheng prevent scaling and fouling in high-viscosity concentrations? +
We utilize Forced Circulation Evaporation Plants for materials prone to crystallization and scaling. By using high-capacity axial flow pumps, we maintain high fluid velocities inside the heat exchanger tubes. This creates turbulent flow conditions that minimize boundary layer buildup and scouring. In addition, our falling film evaporators use customized liquid distributors to ensure complete tube wetting and prevent dry spots.
Q3: What certifications do your pressure vessels and evaporation plants carry for export? +
Jiangsu Zongheng holds the ASME "U" Stamp authorization, CE Certification for the European market, and ISO9001 International Quality System Certification. All Category III medium and low-pressure vessels are designed, fabricated, and pressure-tested under strict compliance codes. This ensures safety and smooth import clearance in major international markets.
Q4: Can waste heat from dryers or distillation towers be recovered for evaporation? +
Yes, our waste heat evaporators are specifically designed to capture low-grade thermal energy, such as exhaust steam from tube bundle dryers or column vapors from ethanol distillation. By integrating these waste heat sources as the thermal driving force, plants can achieve concentration processes with near-zero additional utility steam, reducing overall operating costs.
Q5: What factors should be analyzed during procurement to size an evaporation system? +
Key factors include: feed chemistry (solute concentration, pH, viscosity, density, boiling point elevation), desired outlet solids content, thermophysical properties, scaling trends, available utility capacity (steam pressure, electrical power, cooling water volume), and space constraints. Our engineering team conducts pilot testing and utilizes specialized process software to size and configure your system.
Global Product Catalog

Process Components & Related Equipment

Single Screw Press for Corn Fiber

Corn Fiber Single Screw Press

High-efficiency solid dewatering system for corn fiber, germ, and residue processing lines.

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MQG Airflow Dryer

MQG Airflow Dryer Systems

Employs high-speed hot air to suspend and dry starch and chemical materials uniformly.

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CE Certified MVR Evaporation Plant

CE Certified MVR Plant

Complies with EU directives. Features mechanical vapor recompression for energy efficiency.

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Starch Washing Cyclone

Starch Washing Cyclone

High-purity refining equipment designed for multi-stage washing and concentration loops.

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ZXG Tube Bundle Dryer

Zongheng ZXG Dryer

Indirect steam heating system designed for uniform moisture reduction in bulk solids.

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Energy-Efficient Evaporation

Liquids Concentration Evaporator

Optimized evaporation technology for liquid concentration and operational cost management.

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Efficient Single Screw Press

Industrial Single Screw Press

Dewatering equipment for organic slurries, paper pulp, and starch process residues.

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CE Certified Screw Press

CE Certified Screw Press

High-efficiency solid-liquid separator manufactured under strict CE safety guidelines.

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