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Custom Waste Heat Recovery Heat Exchangers for Thermal Reuse

A waste heat recovery heat exchanger captures heat from exhaust gas or process streams and reuses it elsewhere in the plant. The recovered heat can support preheating, steam generation, or other process needs.

At Krueger Engineering, we approach these applications through our broader heat exchanger capability, applying detailed thermal modeling, mechanical design, and precision fabrication to match each system’s duty and operating conditions. Our work is supported by HTRI analysis, PV-Elite and Compress design tools, CNC machining, and ASME-compliant fabrication, along with in-house testing to verify performance. Krueger Engineering also designs and fabricates waste heat boilers, providing adjacent expertise in energy recovery applications where process heat is converted into useful output such as steam or process heating.

Engineered Performance for Waste Heat Recovery Heat Exchangers

We apply our heat exchanger and boiler/reboiler manufacturing capabilities to develop custom thermal equipment that supports energy recovery, stable operation, and long service life under demanding process conditions.

Capabilities & Specifications

  • Custom heat exchanger thermal designEach system is developed around process temperatures, flow conditions, and energy recovery requirements.
  • Mechanical design for pressure-duty requirements

Engineering solutions for pressures, temperatures, and loading issues.

  • Corrosion/erosion protection considerations

Material and design considerations for dealing with corrosive and erosive environments.

  • Advanced flow-path and heat-transfer layoutsInternal configurations are optimized to capture and transfer heat efficiently across the exchanger.
  • CNC precision machining and fabrication

Machining precision ensures the fit-up, alignment, and seal integrity of the fabricated product.

  • ASME-certified fabricationManufacturing follows established pressure vessel standards for safety and durability.
  • Hydrostatic and NDT testingEach unit is tested to verify structural integrity before delivery.
  • In-house coating and finishing supportSurface preparation and coatings are applied to protect against corrosion and extend service life.

Benefits

  • Recovery of usable process heatExtracts energy which would have been wasted and uses it productively.
  • Improved overall thermal efficiencyReduces energy waste and supports more efficient process operation.
  • Reduced energy loss from hot exhaust streamsLimits heat rejection to the environment by transferring energy back into the system.
  • Support for downstream heating or process reuseRecovered heat can be applied to preheating, steam generation, or other process needs.
  • Reliable performance in demanding industrial environmentsEquipment is aligned with actual service conditions and operating requirements.
  • Custom design for application-specific heat recovery goalsEach solution is engineered around the energy recovery objectives of the process.

Krueger Engineering delivers custom heat recovery solutions that combine efficient energy reuse, application-specific engineering, and dependable long-term performance in industrial service.

Explore Our Full Range of Products

Boilers
Boilers

Krueger Engineering and Manufacturing specializes in the design and production of high-capacity boilers, including waste heat recovery systems, built to your exact process requirements. We turn complex thermal specifications into rugged, reliable equipment that powers your most critical operations.

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Waste Heat Boilers
Waste Heat Boilers

Krueger Engineering and Manufacturing designs and fabricates waste heat recovery boiler systems that capture thermal energy from industrial process gases and convert it into usable steam for power generation, refining, and petrochemical operations.

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Heat Exchangers
Heat Exchangers

Krueger Engineering delivers advanced heat exchanger systems, from feed-effluent designs to rod baffle and transfer line configurations, optimized for thermal efficiency, uptime, and durability.

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Reboilers
Reboilers

Krueger Engineering and Manufacturing designs and fabricates high-performance reboilers, including specialized glycol reboilers and process heaters. Our team ensures every unit is tailored to meet your unique specifications and exacting process requirements.

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Glycol Reboilers
Glycol Reboilers

Krueger Engineering manufactures high-performance glycol reboilers designed to efficiently regenerate glycol in natural gas dehydration systems, ensuring reliable operation under demanding industrial conditions.

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Heaters
Heaters

Krueger Engineering and Manufacturing is a leading industrial heater manufacturer delivering heavy-duty thermal systems engineered for high-pressure, high-temperature, and corrosive process environments across critical industrial operations.

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Fuel Oil Heaters
Fuel Oil Heaters

Krueger Engineering and Manufacturing designs and builds fuel oil heaters that precisely raise the temperature of heavy fuel oils to the required viscosity, ensuring stable pumping and atomization for efficient combustion.

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Steam Coils
Steam Coils

Krueger Engineering manufactures custom industrial steam coils designed to efficiently heat air by transferring latent heat as steam condenses, delivering precise thermal control for complex industrial processes.

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Condensers
Condensers

Krueger Engineering and Manufacturing delivers custom, ASME-compliant industrial condensers tailored to your exact process specifications for maximum thermal efficiency and long-term reliability.

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Surface Condensers
Surface Condensers

Krueger Engineering and Manufacturing delivers custom, ASME-compliant surface condensers tailored to your exact process specifications for maximum thermal efficiency and long-term reliability.

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Steam Condenser
Steam Condenser

Krueger Engineering delivers reliable, ASME-compliant gland condensers in-house, capable of capturing and condensing leakage steam for turbine protection and water recovery.

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Dump Condenser
Dump Condenser

Krueger Engineering designs and manufactures custom ASME-compliant dump condensers for condensing turbine exhaust steam and supporting efficient plant operation.

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End-to-End Fabrication Services for Industrial Thermal Equipment

Krueger Engineering and Manufacturing provides a full suite of in-house services to ensure every component of your custom equipment meets our strict quality and performance standards:

Beveling

Krueger Engineering provides precision edge preparation for steel plates up to 2” thick, ensuring optimal weld penetration and structural integrity for your most demanding projects.

Eccentric & Concentric Cones

We manufacture eccentric and concentric cones to meet exact project requirements across demanding industrial applications.

Forming

Krueger Engineering provides precision steel forming services for heavy industrial parts and custom-fabricated components.

Pipe and Plate Forming

Krueger Engineering provides precision pipe and plate forming services for heavy-duty industrial applications. We form heavy walls and high-strength pipe with the accuracy and consistency required for demanding projects.

Plasma Cutting

Krueger Engineering delivers precision plasma cutting services for industrial plate fabrication and edge preparation. Our equipment is built to produce accurate parts, clean cuts, and dependable results for demanding applications.

Plate Bending

Krueger Engineering provides high-capacity plate bending services for industrial projects that require accuracy, repeatability, and dependable performance. Our operation is built to support heavy-duty forming for pressure, structural, and custom fabrication applications.

Plate Crimping

Krueger Engineering provides advanced crimping solutions to shape heavy-gauge steel into precise, repeatable geometries. We ensure every profile meets the rigid standards required for large-scale industrial and thermal projects.

Post Weld Heat Treat

Krueger Engineering provides post weld heat treat processing for large fabricated components and tank-related applications.

Rolled Cylinders

Krueger Engineering delivers high-precision cylinders tailored for pressure vessels, storage tanks, and heavy structural applications.

Rolling

Krueger Engineering provides high-capacity plate rolling services for industrial projects that require controlled forming, repeatable geometry, and dependable fabrication performance.

Welding and Cutting

Krueger Engineering delivers welding and cutting services for complex fabrication work that demands strength, control, and code-focused execution.

Engineering

Krueger delivers engineering support for custom heat transfer equipment and complex industrial projects. Our team combines specialized design software with experienced technical review to develop solutions that are practical to build and built to perform.

Get Engineering Support for Your Waste Heat Recovery Exchanger Design

Share your process conditions, temperatures, pressure requirements, and heat recovery goals with Krueger Engineering, and we’ll help define the right waste heat recovery exchanger solution for your application. Our team supports custom engineering, fabrication, and testing to deliver reliable long-term performance.

Frequently Asked Questions

Hot exhaust gases, flue gas, and other hot process streams with recoverable energy are typically well suited for waste heat recovery.
It is often used for preheating fluids, generating steam, or supporting downstream heating requirements.
Temperature, flow, pressure, and the nature of the fluid involved determine the design of the equipment.
Dirty or corrosive streams require appropriate materials and design considerations to reduce fouling risk and support reliable operation.
Heat exchangers should be considered when heat recovery is needed, while boilers are for the production of steam.
Stainless steel, high alloy, and special alloy materials would be selected depending on the operating conditions.
Important inputs include temperatures, flow rates, pressure conditions, fluid properties, and desired heat recovery output.

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