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Christian Heerup, Business Manager for Refrigeration from Danish Technological Institute, presenting in ATMOEurope2023
Christian Heerup, Business Manager for Refrigeration from Danish Technological Institute, presenting in ATMOEurope2023

ATMO Europe: Danish Technological Institute Says Its Hands-on Training Courses Teach Students to ‘Transform Ammonia Refrigeration Systems’

Christian Heerup, Business Manager for Refrigeration at DTI, called its ammonia training ‘a crucible where future experts are formed.’

The Danish Technological Institute’s (DTI) hands-on ammonia (R717) refrigeration training courses are teaching students how to “transform” the systems to solve major challenges, according to Christian Heerup, Business Manager for Refrigeration at DTI.

DTI offers a two-day course in ammonia refrigeration systems as well as CO2 (R744) refrigeration systems, which mix theory with hands-on practice, according to DTI’s website. In describing the ammonia training facility, Heerup called it “not just a center of learning but a crucible where future experts are formed.”

“Working hands-on with ammonia systems teaches our trainees to transform them, equipping them with the skills and confidence to tackle the industry’s most pressing challenges,” he stated.

Heerup spoke about DTI’s training programs during a presentation at the ATMOsphere (ATMO) Europe Summit 2023 held in September in Brussels and hosted by ATMOsphere, publisher of R744.com.

DTI also offers a one-day class in large-scale heat pumps – which it defines as heat pumps with a capacity greater than 1MW (284.3TR) – for industry and district heating.

“DTI’s training programs are designed to meet a wide range of needs, both locally and internationally,” said Heerup. “Our programs in the use of natural refrigerants like CO2 [R744] and ammonia, as well as large-scale heat pump systems for industrial and district heating applications, are significant.”

The Taastrup-based institute offers a renewable energy certification for the installation of domestic heat pumps and training in basic refrigeration technology in Danish, according to Heerup.

“[These training courses] lay the foundation for a new generation of skilled technicians and engineers,” Heerup explained. “This training is crucial for maintaining and installing domestic heat pumps, a key element of Denmark’s renewable energy infrastructure.”

In addition to training for individuals, Heerup said DTI provides customized company-specific training sessions available onsite.

“We have company-specific training to meet the needs of businesses, covering various topics from basic refrigeration principles to the intricacies of large-scale heat pump operation,” said Heerup.

“The modules are being transported to Iceland, Estonia, Germany and the U.K. to provide training to service technicians, planners, designers and engineers,” Heerup continued. “We’re not just sharing knowledge: We’re spreading opportunity and ensuring that wherever there’s a need for expertise in refrigeration, DTI’s training is within reach.”

Demonstration activities

Along with training, Heerup also outlined several of DTI’s demonstration initiatives designed to achieve the high outlet temperatures necessary for process heating application. One of these initiatives focuses on the implementation of advanced hydrocarbon and steam compression systems.

“Our focus on hydrocarbon systems, specifically utilizing butane [R600] and isopentane [R601a], aims to push boundaries of what is possible in sustainable heating applications,” explained Heerup. “The hydrocarbon systems are designed to achieve temperatures up to 120°C [248°F] with butane and 160°C [320°F] with isopentane, leveraging Bock piston compressors for high efficiency.”

“The full-scale tests conducted in 2023 are a precursor to our on-site demonstration planned for early 2024,” Heerup added.

Parallel to the hydrocarbon project, Heerup said DTI is also researching steam compression systems. These systems are engineered for high-pressure ratios and are designed to provide a temperature lift to 50K (50°C/122°F) using spindle and two-stage turbo compressors, which provides the high refrigerant flow rates necessary to enable industrial industrial applications. According to Heerup, the system was full-scale tested in 2023, and a demonstration is planned for 2024.

“Our work at DTI, from comprehensive training programs to cutting-edge development projects, is a testament to Denmark’s leadership in the global shift towards sustainable refrigeration technologies,” said Heerup. “We’re not just addressing the needs of today; we’re preparing for the challenges and opportunities of tomorrow.”

“Our work at DTI, from comprehensive training programs to cutting-edge development projects, is a testament to Denmark’s leadership in the global shift towards sustainable refrigeration technologies. We’re not just addressing the needs of today; we’re preparing for the challenges and opportunities of tomorrow.”

Christian Heerup, Business Manager for Refrigeration at DTI

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