CE Certification Tube Bundle Drying Machine Manufacturers & Manufacturer

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Featured Evaporators & Dewatering Systems

China Falling Film Evaporation Plant

High-efficiency suppliers and factory for heat-sensitive liquid concentration. Ideal for starch, sugar, and food processing applications.

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High-Quality Airflow Dryer from China

Jiangsu Zongheng Factory for efficient material drying. Employs high-speed hot air to suspend and fluidize materials dynamically.

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CE Certification Falling Film Evaporation Plant

CE certified high-quality factory solutions for heat-sensitive liquids. Strict safety standards alignment for the European market.

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Waste Heat Evaporator for Wastewater

Innovative plant designs for corn steep liquor concentration and industrial wastewater treatment recycling.

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CE Certified Forced Circulation Evaporation Plant

Leading China supplier and factory solutions for heavy fouling liquids, crystallization, and chemical processes.

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China MVR Evaporation Plant Suppliers

High-efficiency factory solutions for ultra-low energy consumption using Mechanical Vapor Recompression technology.

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ZXG Tube Bundle Dryer China Factory

Jiangsu Zongheng factory-direct efficient indirect steam drying solutions. Designed for high-volume solid processing with optimal heat exchange.

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China Efficient Single Screw Press

Leading dewatering solutions for fibrous and bulk materials, reducing moisture content significantly before thermal drying.

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Engineering Principles of Tube Bundle Dryers

At the core of industrial-scale bulk solids drying, the ZXG Tube Bundle Dryer represents the pinnacle of indirect steam-heated drying technology. Designed to accommodate high moisture processing demands, this machine transfers thermal energy through a rotating bundle of concentric steam tubes submerged in a stationary housing.

As the heating steam enters through a robust rotary joint, it distributes evenly across the seamless tubes. Material is introduced into the drying chamber and continuously scooped up by lifting paddles fixed to the rotating bundle, cascading across the hot tube surfaces. This mechanism ensures uniform moisture evaporation kinetics, avoiding localized overheating, and preserving chemical integrity—a critical requirement for organic products like corn gluten, germ, and brewers' spent grains.

By operating under counter-current air flow configurations, the vapor generated is rapidly swept away with minimal carrier air. This achieves unmatched thermal efficiencies, keeping specific steam consumption (SSC) down to ranges of 1.2 to 1.3 kg of steam per kg of evaporated water.

Global Market Insights

Key Industry Trends for Tube Bundle Drying Systems

Decarbonization & Waste Heat Recovery

Modern plant operations demand deep thermodynamic integration. Our systems link directly with waste heat sources, such as utilizing dryer exhaust vapor to pre-heat inputs in multi-effect falling film evaporation plants, drastically cutting primary energy demands.

European Regulatory Compliance (CE & ATEX)

With the surge in biomass and organic processing, explosion proof (ATEX) configurations and CE conformity according to Pressure Equipment Directive (PED 2014/68/EU) are mandatory. We design with reinforced housings and rupture discs to guarantee site safety.

Material Upgrades for Duplex Alloys

To counter the aggressive corrosive nature of chemical processing waste liquids, standard carbon steel is being replaced by Duplex Stainless Steels (e.g., SAF 2205). This extends system service lifetime up to three-fold in starch and fermentation environments.

30+

Years of Engineering Experience

20+

Senior & Process Engineers

54,000+

Total Factory Area (m²)

22,000+

Production Plant Area (m²)

Jiangsu Zongheng Smart Factory Manufacturing

China Factory 4.0: Production Precision & Quality

Jiangsu Zongheng Concentrating and Drying Equipment Co., Ltd. (formerly Yixing Yangxi Light Industry Machinery Factory, established in 1992) drives fabrication excellence from the heart of the Taihu industrial cluster in Zhoutie Town, Yixing City. Utilizing Industry 4.0 manufacturing processes, we integrate automated submerged arc welding, state-of-the-art non-destructive testing (NDT), and advanced CNC machining centers to ensure all pressure boundaries of our Tube Bundle Dryers meet strict global standards.

Securing the prestigious ASME "U" Stamp in 2012 and the Special Equipment Manufacturing License of the PRC (TS2232C42) in 2009, our quality system is built to survive high-stakes third-party audits. By using a fully localized steel raw material supply chain and digital logistics, we neutralize geopolitical supply risks, delivering custom drying equipment within standard lead times that Western OEM competitors cannot match.

Milestones of Innovation

Our Development History

2026

Our infrastructure covers over 54,000 square meters. The staff includes 3 senior research engineers and 20+ specialized application engineers driving smart industrial thermal drying systems globally.

2015

Received international quality system certification (Certificate No.: 45021), establishing a complete quality assurance workflow aligned directly with international ISO standards.

2012

Acquired the ASME "U" Stamp authorization, marking a major milestone for global industrial boiler and pressure vessel export capabilities.

2009

Obtained the Special Equipment Manufacturing License of the People's Republic of China (License No.: TS2232C42), authorizing the build of high-pressure utility elements.

2007

Official recognition as a Jiangsu Provincial High-Tech Enterprise, indicating consistent R&D achievements in process engineering.

2002

Acquired our first ISO9001 certification, standardizing internal project management and materials tracking.

1992

Company founded as Yixing Yangxi Light Industrial Machinery Factory with 45 employees, laying the groundwork for our industrial thermal drying division.

Deep Technical Focus

Industrial Dryers & Evaporation Plants

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. This design ensures rapid, uniform, and efficient drying throughout the entire transportation process within the system.

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.

Field Installations

Product Application Gallery

Industrial Evaporation Facility

Screw Press System Integration

High Efficiency Spin Dryer

Tubular Bundle Dryer Setup

Continuous Drying System

Steam-Heated Cylinder Assembly

Large Scale Tube Bundle Dryer

Starch Refining Dryer Unit

Quality Assured

Enterprise Qualifications & Certificates

Technical Articles

Industry News & Engineering Updates

Published on June 18, 2026

Principles of Cooling & Vaporization: Heat Exchange Integration

Today, Jiangsu Zongheng Concentration and Drying Equipment Co., Ltd., a manufacturer of evaporators and industrial dryers, provides key insights into the thermodynamic properties of high-efficiency equipment. 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 process liquids. Understanding this heat flow is essential to optimizing complete tube bundle drying lines combined with waste heat recovery networks.

Strategic Sourcing

Global Sourcing Demands & Localized Case Scenarios

Universal Industrial Procurement Requirements

When international plant engineering managers procure massive industrial drying systems, their evaluations extend beyond the initial capital expenditure. Modern supply chains focus on three major variables:

Total Cost of Ownership (TCO): Highly focused on mechanical reliability, specific steam consumption, and spare parts availability (bearings, steam joints, shovel heads).
Validation and Certifications: Direct compliance with the EU Pressure Equipment Directive (PED) and ASME codes is necessary to clear local safety inspections.
Process Customization: The capability of the factory to adapt structural steel thickness, alloy selection, and drying tube counts to feed characteristics (e.g., highly sticky sludge versus granular starch).

Localized Application Case Profiles

Depending on geographic requirements, our machines are optimized to handle unique local situations:

North American Corn Wet Milling: Large-scale processing (600+ TPD dry base) requiring heavy ASME-certified tube bundles to yield corn gluten meal with consistent moisture profiles.
European Biofuel & DDGS Lines: Explosion-proof (ATEX Zone 22) setups featuring dust monitoring loops and automatic deluge suppression systems to meet stringent environmental regulations.
Southeast Asian Cassava Starch Factories: High-humidity environments requiring corrosion-resistant alloys and optimized vapor venting setups to prevent product degradation.

Expert Knowledge Base

Frequently Asked Questions: Tube Bundle Dryers

What is the typical specific steam consumption (SSC) of a ZXG Tube Bundle Dryer?

For typical organic materials (e.g. corn starch germ or spent grain), the Specific Steam Consumption of the ZXG Tube Bundle Dryer ranges from 1.2 to 1.3 kg of steam per kg of evaporated water. This makes it significantly more energy-efficient than direct-fired hot air systems or spin dryers, as thermal energy is transferred indirectly through the clean tube walls.

Why is CE certification and ASME compliance critical for pressure vessel dryers?

Since the heating medium inside the tube bundle is high-pressure steam (typically 0.4 to 0.8 MPa), the tube bundle operates as a Category III pressure vessel. CE certification (under the PED 2014/68/EU Directive) and the ASME "U" Stamp prove that the mechanical designs, welding quality, and materials are verified, preventing structural failures.

How does the system prevent material fouling and tube scaling?

We use a combination of electro-polished external tube surfaces to reduce adhesion, and custom-angled lifting paddles and scraper mechanisms. These paddles continuously lift and move the material, preventing it from sticking to the hot tube surfaces.

Which materials are recommended for the inner tubes and outer shell?

For standard, non-corrosive processes, high-grade carbon steel or SS304 is used. For highly corrosive chemical sludges or acidic products (such as corn steep liquor and wastewater treatment residue), we build contact areas using SS316L or Duplex Stainless Steel (e.g., SAF 2205) to ensure durability.

Can the vapor from a tube bundle dryer be recycled?

Yes. The exhaust vapor can be routed to a waste heat evaporator or MVR system to pre-heat feed liquids, creating a highly integrated thermal loop that lowers overall utility consumption.