Horizontal Heat Exchanger

1. Extreme Water Saving & Low Operating Cost

Utilizing air as the cooling medium, eliminating the need for cooling towers and circulating pumps. It achieves zero water consumption, with operating costs only 1/3 to 1/5 of traditional water-cooled systems.

2. High Efficiency & Stable Performance

Features a finned-tube and forced convection design for high heat transfer coefficients. The induced-draft structure effectively minimizes the impact of sunlight and rain/snow on performance, ensuring stable thermal output with minimal fluctuation.

3. Durable, Reliable & Easy Maintenance

The main body is constructed with carbon steel with anti-corrosion coating or stainless steel, capable of handling corrosive media. The horizontal tube bundle features a simple internal structure, allowing for convenient descaling and maintenance.

4. High Degree of Customization

Customizable parameters such as the number of tube passes, fan configuration, and fin types can be adjusted to meet specific cooling requirements, installation space constraints, and media characteristics across various industries.

5. Eco-friendly, Energy-saving & Zero Secondary Pollution

With no cooling water discharge, it avoids issues such as scaling and water quality contamination, fully complying with the requirements of green industrial production.


Product Details

Product Overview

A Horizontal Radiator (also commonly referred to as a Horizontal Air Cooler / Horizontal Air-Cooled Heat Exchanger) is a highly efficient heat exchange device that uses air as the cooling medium to cool or condense high-temperature fluid inside the tubes. Its core feature is the horizontally arranged tube bundle paired with top-mounted fans. Widely used in industrial scenarios where water resources are scarce or water conservation is critical, it is an indispensable energy-saving cooling equipment in industries such as petrochemicals, coal chemicals, electric power, and metallurgy.

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Main Structure

Component

Material & Design Features

Function Description

Heat Exchange Tube Bundle

Base tube made of seamless copper tube; aluminum/copper fins attached on the surface; tube diameter and number of tube passes customizable

High-temperature fluid flows inside the tubes; fins greatly expand the heat dissipation area, improving heat exchange efficiency by 30%~50% compared to bare tubes

Header Box / Manifold

Made of carbon steel / stainless steel; flanged connection

Ensures uniform distribution and collection of the medium; easy for inspection and maintenance

Fan System

Axial flow fan (induced draft / forced draft optional); protection rating IP55; VFD (Variable Frequency Drive) configurable

Forces air to flow through the finned tube bundle to remove heat; induced draft design reduces environmental interference on heat exchange

Support Frame

High-strength carbon steel welded structure; platforms, ladders, and maintenance platforms can be added upon request

Supports the main equipment body; provides space for maintenance; suitable for indoor plant or outdoor installation

Auxiliary Components

Optional: louvers (for air volume adjustment), rain hood, anti-corrosion coating, temperature/pressure monitoring ports

Adapts to complex working conditions; enhances operational stability and service life of the equipment


Design Advantages

  • Easy Installation & Maintenance: The horizontal tube bundle layout has no dead corners. Descaling inside the tubes and tube bundle inspection/maintenance require no heavy lifting equipment, resulting in short downtime for maintenance.


  • Strong Adaptability for Condensation Applications: The tube rows can be designed with a slope to facilitate smooth drainage of condensate, preventing liquid accumulation from affecting heat exchange efficiency.


  • Wide Adaptability to Working Conditions: By adjusting the number of fans and fin spacing, the unit can adapt to different medium temperatures, flow rates, and ambient conditions. Customized designs are supported.



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Standard Models & Customization Services 


Item

Standard Range

Remarks

Cooling Medium

Air

No cooling water required; 100% water saving

Working Pressure

0.3 ~ 16.0 MPa

High-pressure conditions can be designed per API 661 standard

Working Temperature

-40°C ~ 450°C

Suitable for steam, thermal oil, hot oil, process gas, and other media

Heat Transfer Area

10 ~ 2,000 m²

Customized based on medium flow rate and temperature difference

Fan Power

0.75 ~ 7.5 kW/unit

Single or multiple units in parallel; VFD control supported

Number of Tube Passes

Customized to match medium flow velocity and pressure drop requirements

Installation Method

Indoor / Outdoor

Supports floor-mounted and platform-mounted installation


We offer comprehensive custom solutions tailored to your exact specifications.


Typical Application Scenarios

  • Petrochemical Industry: Cooling/condensation of crude oil, distillates, and process gases, such as overhead hydrocarbon condensation in refineries and cooling in hydrogenation units.

  • Coal Chemical Industry: Medium cooling in synthesis gas, methanol, and coal-to-liquid processes, replacing traditional water-cooling systems.

  • Power / Metallurgical Industry: Generator air coolers, hydraulic oil coolers, and waste heat recovery cooling for blast furnace hot stoves.

  • Other Fields: Refrigeration industry condensers, thermal oil system cooling, industrial quenching oil cooling, and supporting radiators for wood/food drying.


Selection & Installation Key Points

  • Selection Basis: The following information must be provided for customized heat transfer area and fan configuration: medium type, flow rate, inlet/outlet temperature, working pressure, ambient temperature, and installation space dimensions.

  • Installation Requirements: The equipment must be installed level/horizontally, with maintenance access reserved. For outdoor installation, proper rain, sun, and corrosion protection measures should be taken. Fan installation must ensure unobstructed airflow.

  • Operation & Maintenance: Clean dust accumulation on the fin surface regularly (an online blow-off device can be configured). Check the fan operating status. Conduct a pressure test on the tube bundle every 1–2 years.


Optional Configurations & Upgrades

  • Anti-Corrosion Upgrade: Tube bundle made of seamless copper tubes; fins treated with galvanized/aluminized coating, suitable for corrosive media.


  • Energy-Saving Upgrade: Fans equipped with variable frequency drive (VFD), automatically adjusting speed based on cooling load to reduce energy consumption.


  • Smart Upgrade: Addition of temperature and pressure sensors, connected to the DCS system, enabling remote monitoring and automatic control.



About Shunda – Your Expert Partner in Air Movement

Founded in 2005, Shunda Air Conditioning Equipment Group Co., Ltd., known by our distinguished brand "Jinxin Shunda," is a cornerstone of innovation in China's HVAC industry. Operating from our advanced 70,000m² facility in Shandong, our dedicated team of 27 R&D engineers drives progress across a comprehensive portfolio. As a national high-tech enterprise certified to ISO 9001, ISO 14001, ISO 45001, and holding the crucial CE Marking, we deliver more than equipment—we provide reliable, certified air movement solutions for complex industrial applications worldwide. Our products, ranging from robust high pressure centrifugal blower units to specialized corrosion-resistant systems, have been integral to landmark projects from the Beijing West Railway Station to major international constructions across Asia and Africa.

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Initiate a Technical Review

To move forward, share your project's mechanical outline and performance requirements with our engineering team. We will conduct a preliminary analysis and provide a technical submission that includes selection rationale, dimensional drawings, and a performance guarantee for your review.

Our operational principle is grounded in Innovation, Professionalism, Quality, Integrity, and Service. We apply this to every project, aiming to build long-term partnerships by ensuring your ventilation systems perform as critical, reliable assets.





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