Heat exchangers used for exhaust gas heat recovery need to be robust in order to cope with the physical and chemical stresses imposed on them from the exhaust gases, which are both hot and corrosive.

Watlow attained INMETRO certification on its Hydrosafe indirect heat exchanger. A certificate of compliance to the INMETRO regulations ensures electrical and electronic products can be sold and distributed in Brazil.

Scraped surface heat exchangers can provide thermal treatment for products such as viscous foods and slurries, which have a high fouling potential. A common type has rotary scrapers within a tube, but several designs variations are offered by different manufacturers.

Graphite cubic block heat exchangers have a small footprint with a high amount of heat transfer surface area. Heat exchangers in excess of 400 ft2 of surface area can be supplied.

Heat exchangers used for processes such as pasteurization and sterilization must be properly designed and built in order to ensure product safety. In terms of design, there are two main methods to prevent cross-contamination between the product and the service medium (heating or cooling).

Sandvik’s team based in Dubai will partner with Serck Services of United Arab Emirates to manufacture heat exchangers. Duplex tube-to-tube sheet welding is key to fabrication, and Sandvik will offer this support as part of the agreement.

The process-efficiency benefits of utilizing heat from one part of an industrial process in another are well understood. Heat reuse — sometimes referred to as regeneration — is widespread across a range of processes: pasteurization and sterilization, evaporation, drying, distillation, pressurization, cooking, space and media heating, and reactor heating, to name a few. In fact, the list of applications is as varied as the industries themselves.

The Federal Laboratory Consortium (FLC) recognized Sandia’s work to develop and commercialize innovative technologies for heat exchangers.

Evaporative systems provide cooling below dry bulb ambient temperature. 

Heatex added a stacking machine to its U.S. operations to optimize manufacturing of its best-selling plate heat exchanger sizes.