Case Study 1: Replacement and Repair of Thermal Fluid Heating System at a Biomass Mill
At Sigma Thermal, we offer a wide range of industrial retrofit and upgrade services for process heating systems. Without proper planning and execution, the retrofitting process can be a frustrating one for many companies. Conducting a retrofit project without the proper knowledge and experience may result in poor functionality, damage to the system, or extended downtimes.
Sigma Thermal’s retrofit team utilizes expert skill and knowledge to ensure your retrofitting project is a success. We can assess your needs and make recommendations that will help improve your setup, resulting in optimal service for the life of your equipment.
During efficiency improvements, we provide our customers with an estimated return on investment (ROI) timeframe. Basically, we calculate the energy savings, compare that with the cost of the retrofit, and provide an estimate of how long it will be before they have “paid” for the retrofit with the saved fuel costs, and estimated annual savings thereafter.
Depend on our retrofit team to help you retrofit existing heaters for improved functionality, repair damaged systems, or upgrade older systems to more modern solutions.
Retrofitting industrial heating equipment presents a wide range of operational benefits. These benefits include:
Our extensive retrofit services include emission upgrades and system modifications. Sigma Thermal also conducts retrofits on systems built by other suppliers. The type of retrofit that best suits your application is dependent on a handful of factors, the most important being the type of system that you have in place. As an example, systems running on wood call for different retrofit processes than those that run on natural gas or diesel fuel.
Our retrofit services include:
Replacing worn or damaged parts is key to a successful retrofit. We can replace ash conveyors, feeders, and lids on wood furnaces and heaters. We can also replace fuel trains and burners on natural gas and diesel process systems.
Our team can modify existing systems for more efficient operation or improved capabilities. For example, we can switch out a water-based cooling system for an air-cooled design.
The Sigma Thermal team will visit your site to identify areas for improvement in your heating system.
Our repair teams identify problems and repair your process systems to restore functionality.
Our experienced technicians can offer custom retrofitting solutions for a wide variety of thermal fluid systems and alternative fuel types.
At Sigma Thermal, our suite of aftermarket services includes parts, maintenance and service plans, and retrofits. We offer long-term service plans designed to guarantee the performance and longevity of your system.
Sigma Thermal engineered a temporary blind while still giving them access to the damaged equipment so it could be replaced. This allowed the customer to run half of their process and maintain
production with the other half of their system.
This project consisted of replacing 2 natural draft burners with 2 forced draft burners, along with all the required supporting parts required to make the change. Once the project was installed, the service group went on site to fine tune the new burners. This change greatly reduced the start-up time for the heaters – as the purge time for a natural draft burner is near 15 minutes – where the forced draft is closer to 2 minutes.
Sigma Thermal made required modifications to the heater lid, fuel train, electrical system, and controls, all of which were included in this project.
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