As Process Heating wraps up another year of serving industrial processors who use low temperature industrial heating equipment and supplies, its editorial staff offers readers this handy reference guide to the feature articles published in 2017.

Industrial Boilers

Making a Case for Modular, On-Demand Steam Boilers

Modular boilers allow facilities to install several smaller boilers rather than a single large one. A short startup means that the boilers can be cycled on only when steam demand warrants it. January 2017, p. 24.

Automotive Components Maker Saves on Boiler Fuel Costs After Retrofit

Replacing an ’80s-era boiler with a modern, four-pass wetback boiler with custom combustion control allowed one automotive components maker to save significantly on their natural gas fuel costs. February 2017, p. 30.

Equipment Overview: Industrial Boilers

Used for generating steam for power, processing or space heating, or for producing hot water to heat products or a hot water supply, a boiler delivers steam or hot fluid to the end use point at the desired pressure and temperature. But once you know that you need a boiler, how do you find a supplier? One source is Process Heating’s annual Equipment Overview on Boilers. April 2017, p. 28.

Using Ultra-Low Water Content, On-Demand Boilers

Traditional high pressure steam boilers serve effectively, but they present safety hazards should a pressure-vessel breach occur. Boiler designs with low water content and on-demand operation hold less water and, therefore, potential for steam flash off. May 2017, p. 21.

Avoiding Safety Issues with Natural Gas-Fired Steam Boilers

These energy sources drive the process industry but require attention to safety. August 2017, p. 18.

5 Questions to Ask Before Selecting a Used Boiler

Purchasing a used industrial boiler may make sense for your plant. Before you buy, ask these questions to help ensure you’re buying a system that will operate effectively for your application. September 2017, p. 16.

Industrial Burners

Meeting Increasingly Strict NOX Emissions Standards

Advanced burner and control solutions ensure minimal pollutant formation without sacrificing operational reliability or efficiency. February 2017, p. 12.

Automotive Components Maker Saves on Boiler Fuel Costs After Retrofit

Replacing an ’80s-era boiler with a modern, four-pass wetback boiler with custom combustion control allowed one automotive components maker to save significantly on their natural gas fuel costs. February 2017, p. 30.

Equipment Overview: Burners

An apples-to-apples comparison of the capabilities of a range of burner manufacturers, our Equipment Overview on Burners will help you narrow the field of potential suppliers to those that can satisfy your process needs. August 2017, p. 38.

6 Benefits of Upgrading Your Process Heater

A burner-management system helps heater applications run safely and efficiently. September 2017, p. 26.

Industrial Chillers

Chiller Designs Support Process Uptime

Designing in features that support chiller and process uptime help minimize unplanned production interruptions due to lack of cooling. April 2017, p. 34.

How Variable-Speed Portable Chillers Can Help

An alternative for process cooling applications, variable-speed compressors coupled with advanced PLCs continuously monitor the heat load and adjust the compressor speed for peak efficiency and temperature control. October 2017, p. 22.

Industrial Combustion Controls

Reducing Energy Use in Existing Gas-Fired Ovens and Furnaces

The Industrial Internet of Things uses automation technology to help reduce energy use in thermal processing operations. August 2017, p. 21.

Improving Fired Heater Performance

Basic improvements to instrumentation and control can characterize combustion for more economical operation. August 2017, p. 25.

6 Benefits of Upgrading Your Process Heater

A burner-management system helps heater applications run safely and efficiently. September 2017, p. 26.

Improved NOX Limitation Standard to Reflect Combustion Efficiency

In many locations throughout North America, nitrogen oxide (NOX) emissions of gas-heated furnaces and ovens are limited by code or law. This is typically the case in urban areas or in places where special topographical characteristics intensity the negative local and regional effects of NOX emissions. October 2017, p. 26.

Industrial Dryers

Pelletizing Systems Rely on Circular Fluid-Bed Dryers

Converting bulk powders to spherical pellets requires precise drying to avoid altering the pellets’ size, shape or properties. For one company, fluid-bed drying technologies fit the bill best. February 2017, p. 30.

How to Solve Common Rotary Biomass Dryer Problems

Dryer drum and shell erosion, fires and explosions, and nonuniform moisture content in the final product can all be tracked to the three most common problems in rotary-dryer systems. February 2017, p. 16.

Equipment Overview: Industrial Dryers

Whether it is a batch, paddle or spray dryer, or something else altogether, Process Heating’s Equipment Overview on Dryers allows you to search by dryer configuration or type, material processed, energy source, manufacturing process or industry. Find prospective suppliers using our Equipment Overview. June 2017, p. 26.

5 Considerations When Recycling Air and Material in Fluid-Bed Drying

Although a fluid-bed dryer may be right for your product, it may not make sense to invest in recovering the air for your process. Does recycling the exhaust air makes sense for your process? September 2017, p. 23.

Industrial Fans & Blowers

Common Failures in High Temperature Fans

Lessons learned from the production line: real-world fan failures help illustrate how and why fan bearings, wheels and shafts fail in industrial heating equipment. March 2017, p. 16.

Industrial Heat Exchangers

Hybrid Heat Exchangers Overcome Bitumen Processing Challenges

Hybrids provide a solution that handles the associated variance in temperature and pressure. March 2017, p. 20.

Improving Process Heating in Refineries with Welded Plate Heat Exchangers

Compact welded heat exchangers can perform the same duty as larger shell-and-tube units in a smaller footprint. In refinery applications where space is limited, compact welded heat exchangers provide advantages. March 2017, p. 24.

Understanding ID Eddy-Current Inspection of Heat Exchanger Tubing

Eddy-current testing can be a useful tool when it is planned for a specific purpose, and the manufacturer, fabricator and owner-operator communicate effectively. May 2017, p. 14.

Spring Maintenance To-Do: Coil Cleaning

A coil-cleaning program should be an integral part of maintaining some kinds of process cooling equipment. June 2017, p. 38.

Equipment Overview: Industrial Heat Exchangers

An apples-to-apples comparison of the capabilities of industrial heat exchanger manufacturers, our Equipment Overview will help you narrow the field of potential suppliers. October 2017, p. 34.

3 Process Applications for Heat Exchangers

Industrial lasers, medical electronics and food and beverage processing have one thing in common: each can be effectively cooled with industrial heat exchangers. Learn more about these versatile indirect heat exchange devices. November 2017, p. 28.

Industrial Heat Recovery

Saving Energy and Operating Costs through Heat Recovery

Take a look at various methods and systems for recovering heat from a regenerative thermal oxidizer. March 2017, p. 12.

Industrial Heat Transfer

6 Q&A About Heat-Resistant Gloves

Asking these six questions can help you find the right heat-resistant glove to provide protection in your heat processing application. February 2017, p. 24.

Q&A: Maintaining Pipe Temperature

Self-regulating heating cable plays a key role in many pipe-temperature maintenance applications. Learn how to employ this technology effectively. June 2017, p. 20.

10 Ways to Ensure a Winning Heat Trace Partnership

Before teaming up with a heat tracing supplier, compare and contrast the contenders to identify those with the experience you need. September 2017, p. 20.

Protecting Materials against Heat

Cooling blankets can help manage heat gain and control product temperatures. November 2017, p. 32.

Industrial Heat Transfer Fluids

Overhauling a Thermal Fluid Heating System

For a company manufacturing precast concrete deck panels for the new Tappan Zee Bridge, rehabilitating its indirect heating system helps ensure curing speed, quality and costs. January 2017, p. 28.

Equipment Overview: Heat Transfer Fluids

Published in print and online at, Process Heating’s Equipment Overview on Heat Transfer Fluids offers a side-by-side comparison of manufacturers of thermal fluids for industrial applications. January 2017, p. 14.

TEG: A High Temperature Heat Transfer Fluid Alternative

While propylene glycol and ethylene glycol are the most widely used glycols, another member of the glycol family — TEG — fills a niche for systems that need liquid process cooling and heating. June 2017, p. 24.

Organic Heat Transfer Fluid Oxidation and Its Prevention

To evaluate oxidation response of various commercially available heat transfer fluids, an oxidation stress test was developed to compare one synthetic aromatic-based heat transfer fluid with other thermic fluids. August 2017, p. 14.

Which to Use: Ethylene or Propylene Glycol?

Learn how to choose a glycol base for your water-based fluid cooling application. August 2017, p. 33.

Industrial Heaters

5 Advantages of Fiber Optic Technology in Heated Sulphur Pipelines

Long thought of as a data transmission media, fiber optic cable can be used to detect minute temperature changes along the length of a heated sulphur or crude oil pipeline. April 2017, p. 20.

Equipment Overview: Convection and Conduction Heaters

Whether you need hot air, water or other media to indirectly heat your process and product, or you need a contact heater to drive the temperature up just where you need it, convection and conduction heaters are the tools for the job. Find prospective suppliers using our Equipment Overview. May 2017, p. 26.

Using Electric Heaters to Provide Process Heat

Each application that requires heat has unique characteristics which help determine the best heating solution. Understand what must be heated — and to what temperature, for how long. May 2017, p. 18.

Don’t Overlook Thermal Fluid Heater Maintenance

Thermal fluid heating equipment needs proper maintenance to ensure safe, trouble-free operation and a long life. May 2017, p. 10.

Improving Fired Heater Performance

Basic improvements to instrumentation and control can characterize combustion for more economical operation. August 2017, p. 25.

Identifying and Preventing Physical Damage to Tubular Air Heaters

Tubular air heater damage and leakage can affect system performance and increase costs. Learn how erosion, corrosion, plugging and exceeding operational limits could be robbing your plant of capacity. September 2017, p. 12.

The Importance of Expansion and Drain Structure in Hot Oil Systems

Preplanning during design can save time and money during planned or unplanned shutdowns. October 2017, p. 12.

Heaters Help Deliver Packaging for Food Safety and Consumer Acceptance

Packaging innovations such as heat-sealed packages, tamper-resistant bottles and shrink wrap are all a result of evolution in process heating technologies. Though process heating is essential to many effective packaging solutions, too often, it is an afterthought. October 2017, p. 18.

Industrial Infrared Heaters

Infrared Technology Improves Finishing Process

Infrared preheaters are a proven solution for web converting, fabric finishing and nonwovens processing. April 2017, p. 24.

Equipment Overview: Infrared Heaters

Infrared heaters are used to transfer heat through a process or to a product via radiation. Our Equipment Overview on Infrared Heaters provides an apples-to-apples comparison of the capabilities of a range of radiant heater makers. September 2017, p. 30.

Industrial Ovens

Finding the Correct Dryer for Paper-Pulp Packaging

Once formed, molded-fiber packaging must be dried in a hot-air convection oven with specific characteristics. January 2017, p. 20.

Equipment Overview: Industrial Ovens

Whether you want a booster oven or a completely new thermal processing system, use Process Heating’s annual Equipment Overview on Ovens to find suppliers and save time specifying your oven. March 2017, p. 32.

Heat Soaking Tempered Float Glass

Heat soaking in a process oven can provide an effective means for tempering float glass, thereby reducing spontaneous breakage. August 2017, p. 30.

Industrial Oxidizers/Pollution Control

The Impact of Thermal Oxidizer Sizing on Melt-System Capacity

It is important to understand rate-limiting factors when sizing a secondary aluminum recovery system. February 2017, p. 20.

Secondary Heat Recovery from Exhausts and Oxidizers

Does it make sense to add secondary heat recovery systems to your thermal process to capture and repurpose the BTUs you have created before they escape out the top of the stack? An economic analysis can help you determine whether it is justified at your plant. November 2017, p. 12.

Industrial Process Control

Contextual HMI for Process Heating Valves

Moving out of the control room and onto the plant floor provides several benefits. April 2017, p. 16.

Temperature Measurements: Going with the Heat Flow

Surface-mounted instruments read through pipe and vessel walls to provide accurate temperature measurement without process penetrations. April 2017, p. 12.

Using a Datalogger to Improve Industrial Laundry Sanitation

This demanding process must be kept at certain temperatures under difficult conditions to be effective. A datalogger provides the means verify wash water temperatures. June 2017, p. 32.

Industrial Temperature Controls

Equipment Overview: Temperature Controls

What kind of control does your process need? Process Heating helps you select an industrial temperature controller and equipment supplier. February 2017, p. 28.

Temperature Control Solutions Improve Operational Efficiencies and Reduce Downtime

Temporary solutions help avoid project delays and costly commitments on short- and mid-term needs. June 2017, p. 10.

Industrial Temperature Sensors

Temperature Profiling Optimizes Batch Oven Processes

Using dataloggers to track temperature can increase profitability and product quality. March 2017, p. 28.

Temperature Measurements: Going with the Heat Flow

Surface-mounted instruments read through pipe and vessel walls to provide accurate temperature measurement without process penetrations. April 2017, p. 12.

Temperature Measurement Flexibility Helps Quality and Validation

Understanding different sensor types helps create better temperature profiles. October 2017, p. 30.

Measuring Process Temperature Using Fiber-Optic Sensors

Optical determination of temperature gradients within the smallest space enables optimized reaction. November 2017, p. 16.

Industrial Water Treatment

Improving Water Treatment in Boiler Applications

Hydraulic and solenoid metering pumps along with filter feeders can be go-to technologies for injecting and dosing the chemicals that are critical in delivering optimal boiler operation. April 2017, p. 30.

Strategies and Tips for the Feed and Control of Chlorine to Cooling Water Systems

If biofilm is not well controlled, the result can be loss of heat transfer, reduction in energy efficiency, downtime for cleaning, illness or death, corrosion-related failure and costly equipment repair or replacement. To minimize or prevent these issues, it is important to have a robust cooling water treatment program with a strong emphasis on biofilm control. May 2017, p. 30.

4 Ways to Maximize Your Steam Boiler’s Cycles of Concentration

Improve your steam heating return on investment by optimizing the cycles of concentration, enabling a higher condensate return. Other strategies include producing higher quality makeup water and implementing remote continuous operation and monitoring. June 2017, p. 28.

Evaluating Alternative Cooling Tower Makeup Water Options

One approach that facilities can adopt to reduce their draw from fresh-water supplies — thus reducing stress on drinking water reserves — is to use alternative makeup water sources. Learn how to evaluate the options for your plant objectively. September 2017, p. 34.

Tips for Industrial Boiler Lay-Up

Boiler lay-up is performed for many reasons but always with one main objective: to keep the boiler in good condition until it is time to put it back into operation. Vapor-phase corrosion inhibitors can help make this process safer and easier. November 2017, p. 20.

Water Quality: Essential to Cooling Tower Health and Operation

When evaporative cooling systems are commissioned, careful attention should be given to water quality during the initial fill. After commissioning, maintaining consistent water quality throughout the system is important for the health of the entire condenser water system. November 2017, p. 24.