CE Certification Tube Dryer Manufacturer & Factories

ASME & CE Compliant Thermal Processing Solutions for Global Industrial Applications. Engineered for Maximum Heat Transfer, Energy Efficiency, and Operational Safety.

Featured Evaporation & Drying Systems

Explore our high-performance industrial equipment engineered for concentration, dewatering, and low-oxygen drying.

High-Quality MVR Evaporation Plant

High-Quality MVR Evaporation Plant

Energy-efficient solutions from China suppliers and factory. Mechanical Vapor Recompression reduces operating costs significantly by recycling latent heat.

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China Forced Circulation Evaporation Plant

China Forced Circulation Evaporation Plant

Top suppliers and factory for efficient liquid concentration solutions. Designed to handle high viscosity and fouling-prone liquids with ease.

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Jiangsu Zongheng MQG Industrial Airflow Dryer

Jiangsu Zongheng MQG Industrial Airflow Dryer

China suppliers factory design for efficient material drying. Employs high-speed hot air to suspend and fluidize particles for rapid moisture removal.

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China Zongheng Industrial Evaporation Technology

China Zongheng Industrial Evaporation Technology

Energy-efficient solutions from trusted suppliers and factory. Custom engineered for food fermentation, chemical processing, and wastewater treatment.

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China Zongheng ZXG Tube Bundle Dryer

China Zongheng ZXG Tube Bundle Dryer

Efficient, low-oxygen drying solution from reliable suppliers and factory. Ideal for temperature-sensitive materials like starch, germ, and gluten.

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Jiangsu Zongheng Single Screw Press

Jiangsu Zongheng Single Screw Press

Efficient dewatering solutions from China suppliers and factories. High mechanical pressure ensures optimal solid-liquid separation prior to drying.

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Forced Circulation Evaporation Plants

High-Quality Forced Circulation Evaporation Plants

Leading China suppliers and premier factory solutions. Engineered for continuous operation under severe fouling conditions.

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Jiangsu Zongheng High-Efficiency Single Screw Press

Jiangsu Zongheng High-Efficiency Single Screw Press

China suppliers factory design for dewatering solid materials. Robust construction ensures long service life and minimal maintenance requirements.

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Executive Technical Overview of Tube Bundle Dryers

In modern industrial processing, the Tube Bundle Dryer stands as a cornerstone of high-capacity, indirect steam-heated drying technology. Operating on the principle of conduction heat transfer, these systems are engineered to process bulk solids, crystalline materials, and organic byproducts with exceptional thermal efficiency. The material to be dried is continuously agitated by a rotating bundle of steam-heated tubes, which transfers heat directly to the product while conveying it through the stationary housing.

Unlike direct-fired rotary dryers, tube bundle dryers prevent direct contact between the heating medium and the product. This design minimizes the risk of thermal degradation, dust explosions, and off-gas emissions, making it the preferred choice for processing starch, germ, gluten, corn steep liquor, and DDGS (Distiller's Dried Grains with Solubles). Achieving compliance with European Union standards (CE Certification) ensures that these pressure vessels and mechanical assemblies meet the highest benchmarks for structural integrity, operational safety, and environmental protection.

Tube Bundle Dryer Technical Diagram

CE Certification & Regulatory Compliance for Global Operations

Understanding the rigorous engineering standards required for European market entry and safe global operation.

Pressure Equipment Directive (PED 2014/68/EU)

Because the rotating tube bundle operates under high steam pressure (typically up to 0.6 - 1.0 MPa), it falls under the scope of the PED. Compliance requires rigorous finite element analysis (FEA), certified welding procedures (WPS), and non-destructive testing (NDT) such as radiographic and ultrasonic inspections of all pressure-retaining welds.

ATEX Directive (2014/34/EU)

Organic dusts (e.g., starch, gluten) are highly explosive when suspended in air. CE-certified tube dryers must comply with ATEX regulations for Zone 20/21/22 environments. This includes explosion-proof motors, static grounding systems, spark-resistant materials, and integrated explosion venting or suppression systems to mitigate dust ignition risks.

Machinery Directive (2006/42/EC)

Ensuring mechanical safety is paramount. The Machinery Directive dictates the implementation of robust safety guards, emergency stop circuits, interlocking access hatches, and structural stability. This guarantees that operators are protected from the high-torque rotational hazards of the internal tube bundle assembly.

Jiangsu Zongheng Heavy Manufacturing Workshop

China's Supply Chain Advantages in Heavy Equipment Manufacturing

Jiangsu Zongheng Concentrating and Drying Equipment Co., Ltd. capitalizes on the unparalleled industrial infrastructure of Yixing, Jiangsu Province—a global hub for light industry machinery and chemical equipment fabrication. This geographic advantage translates directly into tangible benefits for global procurement managers:

  • Raw Material Access: Direct partnerships with top-tier domestic steel mills ensure a steady supply of high-grade stainless steels (SUS304, SUS316L, Duplex 2205) and carbon steels with full material traceability certificates.
  • Advanced Manufacturing Ecosystem: Our 54,000 m² facility is equipped with state-of-the-art automatic tube-to-tubesheet welding machines, large-scale CNC rolling machines, and dedicated cleanrooms for stainless steel fabrication to prevent cross-contamination.
  • Cost-Effective Engineering: By integrating design, pressure vessel fabrication, and thermal optimization under one roof, we reduce lead times and engineering overhead, offering premium CE and ASME-compliant equipment at highly competitive price points.

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.

Jiangsu Zongheng is a modern high-tech enterprise specializing in the manufacturing of concentration, drying, starch industry, alcohol DDGS, and Category III medium & low-pressure vessel equipment. It is currently a member enterprise of the China Starch and Alcohol Association. Our products are widely used in industries such as food fermentation, alcohol, chemical, pharmaceutical, environmental protection, and petrochemical.

Jiangsu Zongheng Factory Facility
30+
Years of Industry Experience
20+
Senior & Assistant Engineers
54,000+
Total Factory Area (m²)
22,000+
Production Plant Area (m²)

Global Procurement Requirements & Engineering Customization

Addressing the complex technical demands of multinational corporations and heavy industrial plants.

Material Selection & Metallurgy

Global buyers require strict adherence to material specifications. We offer tube bundles constructed from carbon steel for non-corrosive applications, SUS304/316L for food-grade products, and specialized duplex alloys (e.g., 2205) for high-chloride wastewater environments to prevent stress corrosion cracking.

Thermal Integration & Efficiency

To minimize operational expenditure, our tube bundle dryers can be integrated with waste heat recovery systems. By utilizing flash steam from condensate lines or preheating feed materials using evaporator exhaust vapors, we help plants achieve optimal thermal balance and reduce boiler steam consumption.

Mechanical Reliability & Maintenance

Heavy-duty continuous operation demands robust mechanical design. Our dryers feature heavy-wall seamless tubes, reinforced support rings, and high-performance spherical roller bearings. The drive system is engineered with a high service factor to handle high-torque startup conditions when the dryer is fully loaded.

Localized Support, Commissioning & Compliance Assurance

Deploying heavy industrial machinery globally requires more than just shipping a container. Jiangsu Zongheng provides comprehensive localized support to ensure seamless integration and regulatory sign-off at your facility:

  • On-Site Commissioning & Training: Our field service engineers travel to your site to supervise installation, perform laser alignment of the drive train, conduct hydrostatic testing, and train your operators on safe startup and shutdown protocols.
  • Regulatory Documentation: We supply a complete technical file with every CE-certified dryer, including material test reports (MTRs), weld maps, NDT records, pressure test certificates, and localized operating manuals in the destination country's language.
  • Preventative Maintenance Programs: To minimize unplanned downtime, we offer localized spare parts support (including replacement tubes, seals, and bearings) and remote diagnostic assistance to troubleshoot thermal performance issues.
On-site Engineering Support

Our Journey of Engineering Excellence

Over three decades of continuous growth, technological innovation, and global certification milestones.

1992

Jiangsu Zongheng Concentrating and Drying Equipment Co., Ltd, formerly known as Yixing Yangxi Light Industrial Machinery Factory, was established. The company covered a total area of approximately 15 mu and had a total of 45 employees.

1992 Factory

2002

The company took the lead in obtaining ISO9001 international quality management system certification, establishing a structured framework for quality control across all manufacturing stages.

2002 ISO Certification

2007

Recognized as a Jiangsu Provincial High-Tech Enterprise, reflecting our commitment to research and development in industrial concentration and drying technologies.

2007 High-Tech Enterprise

2009

Obtained the Special Equipment Manufacturing License of the People's Republic of China (License No.: TS2232C42), authorizing the fabrication of Category III pressure vessels.

2009 Pressure Vessel License

2012

Acquired the prestigious ASME "U" Stamp authorization, marking the company's entry into a new phase of international development and global compliance.

2012 ASME U Stamp

2015

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

2015 Quality System

2026

Today, 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.

2026 Modern Facility
Energy Efficient Evaporator System

Industry Trends: Decarbonization & Smart Thermal Processing

The industrial drying sector is undergoing a rapid transition driven by stringent carbon reduction targets and rising energy costs. Modern factories are moving away from fossil-fuel-fired drying systems toward electrified and highly integrated thermal schemes:

  • Electrification & MVR Integration: Mechanical Vapor Recompression (MVR) technology is increasingly paired with drying operations. By using electrical energy to compress and upgrade low-grade exhaust vapor from the dryer, the latent heat can be reused, reducing primary steam demand by up to 75%.
  • Smart Drying & IoT Diagnostics: Integrating temperature, moisture, and vibration sensors directly into the rotating tube bundle allows for real-time process optimization. Predictive maintenance algorithms analyze bearing vibration and thermal profiles to schedule maintenance before failure occurs.
  • Zero Liquid Discharge (ZLD): Drying systems are critical in ZLD loops, converting concentrated wastewater brine from evaporators into dry, transportable solids, ensuring compliance with local environmental discharge regulations.

Localized Application Scenarios

How our tube bundle dryers and evaporation systems perform in specific industrial settings.

Corn Wet Milling & Starch Plants

In corn processing facilities, the tube bundle dryer is used to dry corn germ, fiber, and gluten. The low-oxygen operating environment prevents product scorching and maintains high nutritional value, while the robust mechanical design handles the sticky, high-moisture feed materials without clogging.

Alcohol & DDGS Production

DDGS drying requires precise temperature control to preserve proteins and amino acids. Our tube bundle dryers operate efficiently in tandem with waste heat evaporators, utilizing concentrated corn steep liquor mixed with wet grains to produce high-quality animal feed with consistent moisture content.

Chemical & Environmental Processing

For chemical sludge and industrial wastewater treatment, our dryers reduce the volume of hazardous waste. The closed-loop design allows for the safe containment and condensation of volatile organic compounds (VOCs) and corrosive vapors, protecting plant personnel and the environment.

Enterprise Qualifications & Achievements

Our commitment to quality is backed by international certifications and rigorous manufacturing standards.

Qualification Certificate 1
Qualification Certificate 2
Qualification Certificate 3
Qualification Certificate 4

Technical Q&A: Tube Bundle Dryer Operations

Expert answers to common engineering and procurement questions regarding design, compliance, and performance.

Q1: What are the primary design differences between a CE-certified and a standard tube bundle dryer?
A CE-certified tube bundle dryer must comply with the EU Pressure Equipment Directive (PED 2014/68/EU) and Machinery Directive (2006/42/EC). This requires third-party notified body inspections, certified welding procedures (WPS), material traceability for all pressure-retaining parts, and comprehensive risk assessments for mechanical and electrical safety, including ATEX compliance for explosive dust environments.
Q2: How does Jiangsu Zongheng ensure the quality of pressure-retaining welds on the tube bundle?
We utilize automated orbital tube-to-tubesheet welding systems to ensure uniform weld penetration and eliminate human error. All critical welds undergo Non-Destructive Testing (NDT), including 100% radiographic testing (RT) or ultrasonic testing (UT), followed by a hydrostatic pressure test at 1.5 times the design pressure to guarantee structural integrity before shipment.
Q3: Can these dryers handle highly corrosive materials?
Yes. Depending on the chemical composition of the feed material, we customize the metallurgy of the contact parts. We offer high-grade stainless steels (SUS304, SUS316L) and duplex stainless steels (such as 2205) which provide superior resistance to localized pitting and stress corrosion cracking in high-chloride or acidic environments.
Q4: What is the typical energy consumption of a steam-heated tube bundle dryer?
Tube bundle dryers are highly efficient, consuming approximately 1.2 to 1.4 kg of steam per kg of water evaporated. Energy consumption can be further reduced by integrating waste heat recovery systems, such as using flash steam from the condensate return line or preheating the feed material using exhaust vapors.
Q5: How does the low-oxygen drying system prevent product degradation?
By sealing the dryer housing and controlling the exhaust gas recirculation, we maintain a low-oxygen atmosphere inside the dryer. This minimizes oxidation of organic products (like corn germ or gluten), preserving their nutritional value, color, and quality, while significantly reducing the risk of dust explosions.

Additional Industrial Evaporators & Dryers

Browse our full range of thermal processing systems designed for heavy-duty industrial applications.

High-Quality Airflow Dryer

High-Quality Airflow Dryer

High-efficiency airflow dryer from China suppliers. Jiangsu Zongheng factory MQG design ensures uniform drying for starch and light materials.

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China Zongheng Starch Washing Cyclone

China Zongheng Starch Washing Cyclone

High-quality starch refining solutions from leading suppliers and factory. Multi-stage cyclone systems optimize starch purity and yield.

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High-Quality Energy-Efficient Evaporation Solutions

High-Quality Energy-Efficient Evaporation Solutions

From China factory. High-performance suppliers for liquid concentration, designed to minimize steam consumption in large-scale plants.

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China Jiangsu Zongheng Industrial Airflow Dryer Manufacturers

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Providing professional engineering, manufacturing, and after-sales service for global industrial drying installations.

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High-Quality Energy-Efficient Evaporation Solutions by Jiangsu Zongheng

Energy-Efficient Evaporation Solutions by Jiangsu Zongheng

Top China suppliers and factory for liquid concentration. Custom multi-effect and MVR configurations to suit diverse process requirements.

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China Suppliers of MQG Airflow Dryer

China Suppliers of MQG Airflow Dryer

Efficient drying solution from Jiangsu Zongheng factory. Engineered for flash drying of temperature-sensitive powders and starches.

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China Zongheng Waste Heat Evaporator Factory

China Zongheng Waste Heat Evaporator Factory

Efficient solution for corn steep liquor and wastewater suppliers. Recovers low-grade thermal energy to concentrate process streams.

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High-Quality Falling Film Evaporation Plant

High-Quality Falling Film Evaporation Plant

From China suppliers. Efficient concentration at our factory, featuring short residence times and low evaporation temperatures to protect product quality.

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