Kelvion K°Bond

cutting-edge diffusion bonded heat exchanger for the most challenging processes

K°Bond is our new diffusion bonded heat exchanger and the right choice for applications where highest temperatures and pressures have to be processed on restricted space, like offshore applications and floating units. Explore how your application can benefit from our new Kelvion K°Bond.

Compactness & Performance Bonded Together

K°Bond, Kelvion’s diffusion bonded heat exchanger, is ideal for applications involving extreme process temperatures and pressures. Combining design with welding expertise, K°Bond withstands pressures up to 1,000 bar and temperatures from cryogenic
-200 to 600 °C.  Significant savings in weight and footprint compared to common heat exchanger solutions.

K°Bond with its diffusion bonding technology is perhaps one of the most significant and game-changing solutions for projects with restricted space – May it be for offshore plants (e. g. as high pressure vaporizer) and reliquefaction on floating units.

Advantages

  • Pressure resistance up to 1000 bar
  • Working temperature: -200°C to 600°C
  • High heat transfer rate thanks to fluids proximity allowing temperature approach up to 2°C
  • Up to 6 times smaller than conventional Shell & Tube heat exchangers
  • Diffusion bonding ensures the highest safety level, without leak risk
  • Solid state block offers high resistance to cyclic services

Natural Gas

Natural gas is an essential part of 21st Century living.  As well as providing a vital energy source in homes and industries, its extraction and delivery network employs millions of people around the world. Natural gas is increasingly being used as a cleaner and cheaper alternative fuel for transportation, from heavy duty trucks, buses and railways to shipping. Vehicles powered by natural gas produce 20-30 % fewer CO2 emissions than those running on gasoline.

For decades, Kelvion has been providing innovative, reliable and hardworking heat exchangers that meet the strict requirements of the natural gas industry. The K°Bond offers advantages for applications on FPSO units and gas production platforms, as well as LNG regasification, condensate fractionation and floating LNG processes.

Natural gas process requirements covered by K°Bond

  • Gas compression intercoolers: pressures up to ~150 Bar in the last compression stage
  • High pressure ~300 bar and suitable for cryogenic design conditions
  • Compact – up to six times smaller than a conventional shell & tube heat exchanger
  • High process efficiency
  • Reliable performance

Supercritical CO2 Brayton Cycle

The  closed Brayton Cycle gas turbine, with supercritical CO2 (sCO2) as a fluid, offers a more energy-efficient way of generating electricity than the standard Rankine steam cycle used to drive most of the world’s turbines and power plants. Around 67% of the heat created by the Rankine cycle is currently wasted. The closed Brayton Cycle involves recirculating a working fluid, heated in a heat exchanger, to drive a turbine.  A supercritical fluid is one that has gone beyond its critical temperature and pressure point so that it is no longer in a liquid or gas phase. As the critical point of CO2 is 31 ⁰C and a pressure of 73.8 bar, it is thermodynamically superior to steam, resulting in a more economic energy conversion.  The sCO2 Brayton Cycle is an effective power cycle for concentrated solar power and geothermal power. It is also used to recover waste heat from chemical production processes, to be converted into electricity.

The sCO2 Brayton Cycle depends on robust and reliable heat exchange technology for heating and cooling the working fluid. Kelvion’s new K°BOND offers major advances in this area to ensure that the supercritical process is achieved safely.

sCO2 Brayton Cycle Process Requirements covered by K°Bond

  • High thermal efficiency
  • Pressure resistance up to 300 bar
  • High working temperature range up to 600⁰C
  • Compact – up to six times smaller than a conventional shell & tube heat exchanger

Hydrogen

More than 50 million tonnes of hydrogen are produced globally every year to provide fuel for a wide range of industries, including chemicals, metal and food. While hydrogen is not a fuel on its own, it stores energy created from different sources, such as solar and wind power. With more and more hydrogen fuel cell vehicles being brought to the market, the demand for hydrogen fuel stations is growing.  Cars, buses and railways powered by fuel cells do not produce harmful emissions – just water vapour.

Hydrogen fueling stations rely on heat exchange solutions that can withstand extreme temperatures and pressures, while taking up minimum space. The Kelvion K⁰Bond offers the perfect solution.

Hydrogen process requirements covered by K°Bond

  • Pressure resistance up to 1000 bar
  • Compact - up to six times smaller than a conventional shell & tube heat exchanger
  • Reliable and efficient
  • High resistance to cyclic services

At a glance


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