Industrial Process Engineering

China Evaporator And Crystallizer Manufacturer & Service

Providing high-performance thermal concentration, crystallization separation, and industrial drying systems designed to minimize energy consumption and achieve Zero Liquid Discharge (ZLD).

Industrial Evaporation & Processing Systems

Premium solutions designed for concentration, separation, and thermal purification.

China Zongheng Industrial Evaporation Technology

China Zongheng Industrial Evaporation Technology - Energy-Efficient Solutions from Trusted Suppliers and Factory

Advanced heat transfer solutions and configurations optimized for heavy industrial concentrations and wastewater processing operations.

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China Zongheng Industrial Evaporation Technology

China Zongheng Industrial Evaporation Technology: Leading Suppliers & Factory of Energy-Efficient Solutions

Tailored energy reduction thermal networks designed to recover latent heat, decreasing overhead costs across processing industries.

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YDX Starch Washing Cyclone

China Suppliers Factory YDX Starch Washing Cyclone for High-Quality Starch Refining and Impurity Removal

High-efficiency multi-stage cyclonic separation technology specifically developed for refining corn, potato, and cassava starch suspensions.

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MQG Airflow Dryer

China Suppliers Factory MQG Airflow Dryer - Efficient High-Speed Hot Air Drying Solution for Materials

Suspends and fluidizes raw feed using high-velocity thermal streams, ensuring flash drying and moisture elimination within seconds.

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ZXG Tube Bundle Dryer

China Suppliers: Jiangsu Zongheng ZXG Tube Bundle Dryer - Efficient Indirect Steam Heating Factory Solution

Utilizes indirect steam-heated contact drying in low-oxygen environments, making it ideal for processing heat-sensitive organic products.

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Degerming Mill Machine

China Zongheng Degerming Mill Machine - Top Suppliers & Factory for Efficient Maize Processing

Precision grain debranning and cracking machinery designed to cleanly separate germs from corn kernels with minimal starch loss.

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Single Screw Press

China Efficient Single Screw Press by Jiangsu Zongheng: Leading China Suppliers and Factory for Dewatering Solutions Service, Factory

Continuous solid-liquid mechanical separation equipment for dewatering fibrous slurries, spent grains, and industrial pulps.

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Falling Film Evaporation Plant

CE Certification Falling Film Evaporation Plant for Heat-Sensitive Liquids - Top China Suppliers & Factory Solutions Manufacturers, Suppliers

Complies with rigorous European safety standards to provide rapid evaporation under vacuum, preserving the quality of organic concentrates.

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Global Industrial Status of Separation Technologies

Modern industrial processing increasingly requires systems that operate efficiently with low energy use. Evaporators and crystallizers are essential components in chemical manufacturing, wastewater management, lithium battery material processing, and starch wet milling. As strict environmental regulations on wastewater discharge take effect worldwide, Zero Liquid Discharge (ZLD) systems have transitioned from niche options to standard industrial requirements.

To address these changing demands, industrial thermal separation technology has evolved from steam-intensive Multi-Effect Evaporators (MEE) to Mechanical Vapor Recompression (MVR) systems. By recompressing secondary vapors, MVR systems significantly reduce the energy needed for evaporation. Choosing the right industrial separation partner is essential for optimizing heat transfer, mitigating tube fouling, and ensuring stable plant operations.

Technical Capabilities & Design Criteria

  • MVR Thermal Efficiency: Low electricity consumption per ton of water evaporated, replacing traditional coal or gas steam boilers.
  • Advanced Material Selection: Processing corrosive brines and acid concentrates with corrosion-resistant alloys, including Titanium (Gr. 1, Gr. 2), Duplex Stainless Steel (2205, 2507), and Hastelloy.
  • Fouling Mitigation: Custom liquid distribution plates and forced circulation pump sizing reduce scale formation on critical heat transfer surfaces.
  • Integrated Mechanical Dewatering: Pre-concentration using decanters or Single Screw Presses helps minimize the thermal load on final drying systems.

Technology & Equipment Matrix

Engineered systems built for demanding continuous industrial production lines.

Jiangsu Zongheng Industrial Evaporation Technology

Industrial Evaporation Systems

We provide a comprehensive range of concentration equipment, including Falling Film Evaporators for heat-sensitive organic feeds, Forced Circulation Evaporators for crystallizing brines, and energy-efficient MVR systems.

ZXG Tube Bundle Dryer

ZXG Tube Bundle Dryers

These systems utilize indirect steam heating within a low-oxygen chamber, making them suitable for bulk drying applications like corn germ, fiber, starch feeds, and gluten meals.

MQG Airflow Dryer

Suspension Airflow Dryers

MQG flash drying systems use high-speed hot air to suspend particles, providing rapid heat transfer for powdery materials while preserving the functional properties of the feed.

Design Focus: Falling Film Heat Transfer Mechanics

A falling film evaporator concentrates heat-sensitive liquids by introducing feed at the top of vertical tube bundles. The liquid is distributed evenly, forming a thin film that flows downward under gravity. Steam jackets or recompressed vapors heat the tube walls, causing partial evaporation.

Maintaining proper liquid distribution and complete tube wall wetting is essential. If the film breaks, it can lead to localized drying, fouling, and reduced heat transfer efficiency. Our systems feature engineered liquid distributors that prevent dry spots and maximize evaporation rates.

Milestones & Credentials

Decades of engineering development, quality certifications, and manufacturing experience.

30+
Years in Operation
20+
Senior Engineers
54,000+
Factory Area (㎡)
22,000+
Workshop Area (㎡)
1992

Founding & Infrastructure Establishment

Established as Yixing Yangxi Light Industrial Machinery Factory on a 15-mu site with 45 employees, supplying simple evaporator components and light industrial machinery.

2002

ISO9001 Certification

Standardized quality management systems to meet international protocols for pressurized chemical vessel manufacturing.

2007

High-Tech Enterprise Designation

Recognized as a Jiangsu Provincial High-Tech Enterprise, expanding technical R&D in energy-efficient separation systems.

2009

Pressure Vessel Manufacturing License

Obtained the Special Equipment Manufacturing License of the People's Republic of China (License No.: TS2232C42) for fabricating medium-pressure vessels.

2012

ASME "U" Stamp Authorization

Acquired the ASME "U" Stamp certificate, qualifying the company to manufacture pressure vessels compliant with North American codes.

2015

International Quality Integration

Acquired international quality system certification (Certificate No.: 45021), establishing a complete quality assurance system aligned with international standards.

2026

Modern High-Tech Facility Operations

Operating from a 54,000 square meter facility with 22,000 square meters of production workshops. Our team of 120 professionals includes 3 senior engineers and over 20 specialized design engineers.

Technology Roadmap & Future Outlook

Innovating separation systems to support global decarbonization efforts.

Smart Process Monitoring

Integrating sensors and automated monitoring to trace heat transfer coefficients in real time. This system alerts operators to scaling, helping plan maintenance cycles and reduce unplanned downtime.

Advanced Vapor Recompression

Developing high-pressure ratio vapor compressors capable of handling larger boiling point elevations (BPE). This technology expands the use of MVR systems in complex chemical concentrations.

Hybrid Zero Liquid Discharge

Combining membrane pre-concentration (RO/ED) with falling film pre-evaporators and forced circulation crystallizers to optimize energy efficiency in ZLD installations.

Industrial Application Scenarios

Tailored concentration and separation equipment built for diverse manufacturing sectors.

Corn & Starch Refining

Our systems integrate YDX Starch Washing Cyclones, Degerming Mills, and ZXG Tube Bundle Dryers to optimize starch extraction and process byproducts like fiber, germ, and corn steep liquor (CSL) efficiently.

Alcohol & DDGS Recovery

Concentrating spent thin stillage using multiple-effect or waste heat evaporators. The resulting syrup is blended with wet cake and dried in tube bundle dryers to produce commercial-grade DDGS feed.

Environmental & Saline ZLD

Processing high-salinity industrial wastewater from chemical plants, gasification operations, and lithium extraction lines. Our systems concentrate and crystallize mixed mineral salts for recovery or landfill disposal.

Expert Q&A: Industrial Evaporation and Crystallization

Technical guidance on system selection, energy optimization, and operational best practices.

What are the primary differences between MVR and MEE systems?

Mechanical Vapor Recompression (MVR) uses a mechanical compressor to repressurize and heat secondary vapors, returning them to the heating chest. This process requires electricity rather than live steam, making it highly cost-effective when electricity prices are stable.

Multiple-Effect Evaporators (MEE) route vapors through a series of boiling chambers operating at progressively lower pressures. MEE systems depend on a continuous steam supply, making them suitable for facilities with low-cost waste steam or high boiling point elevations that exceed MVR compressor capacities.

How does boiling point elevation (BPE) impact evaporator design?

Boiling Point Elevation (BPE) is the temperature difference between a boiling solution and pure water at the same pressure. High BPE values reduce the effective temperature difference driving heat transfer.

When designing MVR systems, high BPE requires larger compressor temperature rises, which may necessitate multiple compression stages in series. For MEE systems, it reduces the number of effects that can be run on a given steam pressure limit.

Which materials are best for handling corrosive industrial brines?

High-chloride brines, such as those containing sodium chloride or calcium chloride, can cause pitting and stress corrosion cracking in standard stainless steels.

To prevent corrosion, we build wet components using Duplex Stainless Steel (2205/2507) for moderate chloride levels, Titanium (Grade 2) for high-temperature chloride solutions, and Hastelloy or Nickel alloys for highly acidic, corrosive mixtures.

What causes tube fouling in falling film evaporators, and how is it managed?

Fouling occurs when solutes precipitate, scale forms, or organic matter bakes onto the internal surfaces of heat transfer tubes.

We address this by sizing recirculation flows to maintain a consistent film thickness, designing uniform liquid distribution systems, and scheduling periodic Clean-in-Place (CIP) wash cycles to clear deposits before they harden.

System Components & Ancillary Equipment

Browse our full line of industrial dryers, dewatering presses, and crystallization machinery.

High-Performance Evaporation Plant

China High-Performance Evaporation Plant from China Suppliers - Trusted Factory Solutions for Industry Supplier, Suppliers

Engineered multi-effect thermal concentration units configured to maximize vapor recovery and process high volumes of industrial feedstocks.

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Waste Heat Evaporator

China Suppliers Factory Waste Heat Evaporator for Efficient Wastewater Treatment and Reduced Steam Consumption

Harnesses low-grade exhaust steam and waste gases from dryers to run concentration processes, minimizing total facility energy use.

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Forced Circulation Evaporation Plant

CE Certification Forced Circulation Evaporation Plant - Top China Suppliers and Factory for Efficient Liquid Concentration Solutions Manufacturers, Factory

Maintains high liquid velocity inside heat exchanger tubes, preventing scaling and suspended solids settling during crystallization.

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Falling Film Evaporation Plant

China Efficient Falling Film Evaporation Plant from China - Leading Suppliers and Factory Solutions for Heat-Sensitive Liquids Suppliers, Factories

Designed to maintain a low temperature differential and short residence time, preventing thermal degradation of delicate mixtures.

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Falling Film Evaporation Plant

China Falling Film Evaporation Plant - High-Efficiency Suppliers and Factory for Heat-Sensitive Liquid Concentration

Optimized liquid distribution system and thin-film heat exchangers designed to process sensitive liquid bases under deep vacuum.

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Degerming Mill Machine

China Zongheng Degerming Mill Machine - High-Precision Germ Removal from Trusted Suppliers and Factory

Engineered to crush corn kernels cleanly, releasing the starch while keeping the germ intact to simplify downstream oil extraction.

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ZXG Tube Bundle Dryer

China Suppliers - Jiangsu Zongheng ZXG Tube Bundle Dryer Factory for Efficient Low-Oxygen Indirect Steam Drying

Features an enclosed design that prevents oxidation of organic materials during high-temperature steam contact drying cycles.

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YDX Starch Washing Cyclone

China Suppliers Jiangsu Zongheng Starch Washing Cyclone - Effective Starch Refining & Purification Factory Equipment

A multi-stage wash system designed to wash starch slurries, remove fine fibers, and extract soluble proteins efficiently.

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Begin Your Process Optimization Project

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