Schwank provides perfection in heating solutions that are as versatile as our customers.
 

Radiant Power in Industrial Space Heating

 

When it comes to industrial space heaters, there are a variety in which to choose from. Industrial infrared heaters can offer instant heat, without reducing a room’s oxygen and humidity content. Its environmentally friendly benefits are but another factor to consider, as these appliances don’t add any toxic by-products to its environments.

 

Gas-fired infrared radiant heating is hugely versatile, proving its efficiency and reliability for both workplaces and leisure venues. Applications range from infrared heating outdoor systems widely used by the hospitality sector to radiant heaters employed for warehouse heating, or other large industrial spaces. Infrared space heaters offer large space heating from industrial warehouse heating, to commercial office spaces that is both cost effective and environmentally friendly.

 

Schwank carries out many types of gas radiant heating installation, from Industrial gas heaters, to smaller heating appliances with some of the most complex and fascinating involving industrial infrared heaters. Frequently, those with decision making powers about space heating options are faced with the choice of convection heaters vs radiant heaters. This can be because they have an existing convection system in place and need to take the return on investment (ROI) of a changeover to radiant heating into their space heating calculations.

 

However, with radiant industrial space heaters efficiency is proven time and time again, leading to significant energy and cost savings together with reduction in the carbon footprint of buildings. Radiant heating systems also provide excellent space saving potential, for instance by installing overhead heating systems or wall mounted ceramic heaters.

 

Schwank has a number of industrial space heating case studies which demonstrate that operating an industrial infrared heating system can lead to a significant reduction in energy costs and carbon emissions over conventional heating solutions.

 

Efficient recovery from a Radiant Heat Source

 

 For the Bauer Company, famous for the quality of their engineering skills, their old oil powered system that was heating a warehouse space and production facilities had become obsolete and heating costs were unacceptable. The solution arrived at was an innovative approach involving a Schwank radiant heating system combined with our leading-edge heat recovery technology.

 

Gas-fired radiant heating offers very effective heat recovery solutions through combining energy efficient industrial infrared heaters with innovative heat recovery systems. This process has been found to enable up to 18% of a building’s floor space to be heated through recovered heat and allows a building with an installed heating capacity of 300kW to recover 45kW through integrated heat recovery.

 

The Bauer project involved installing Schwank infrared radiant tube heaters, sometimes generically described as black heat tube heaters because of their enclosed structure which differentiates them from plaque or luminous industrial radiant heaters. This radiant heating system works in combination with hybridSchwank heat recovery technology, using waste heat recovered from the production facility to heat adjoining Bauer offices.

 

The process works in the following way:

  • Flue gas resulting from the combustion process of the radiant industrial heaters is collected via duct systems and fed into a recuperative air-water heat exchanger
  • The heated water is supplied to the hot water storage tank, with water temperatures of up to 90o being achieved in this process
  • Recovered energy in the form of heated water is stored and then reintroduced into the heating system for the office premises.

 

This industrial space heating installation has resulted in 650,000 kWh per year being saved in Bauer’s production facilities and 55,000 kWh per year at the office premises. Winter savings of 51% are being achieved for the production facility and 29% for the offices.

 

Rapid ROI when heating large industrial spaces

 

The BMW steel pressing operation covers an area of 100,000 square metres at Swindon and involved the installation of a range of Schwank radiant heating solutions. This extensive production facility is also involved in the logistics relating to direct delivery to the Mini plant in Oxford. Their decision to replace their outdated boiler system with the latest factory radiant heaters involved us in an industrial space heating project on a grand scale! Schwank supplied over 400 individual radiant industrial heaters that included both high efficiency tube and plaque heaters, offering the highest radiant factors to optimise energy savings and carbon reduction. Schwank warm air units were also supplied for certain areas where industrial radiant heaters would not have been appropriate.

 

The BMW installation demonstrated Schwank’s ability to plan and implement a range of space heating options to match the physical and operating characteristics of a given site. The heating system is completely flexible, incorporating over 50 individual zones heated by different space heating methods and controlled and monitored via a central Building Management System. Energy savings of 47% have been achieved, meaning the ROI was reached within three years, which was much earlier than previously forecast.

 

Using industrial space heaters to tackle corrosion

 

 The benefits of gas-fired industrial infrared heaters are normally associated with the comfort and wellbeing of people in the workplace, but radiant heating systems can also play a key role in product protection.

Warehouse radiant heating systems can be particularly impressive when safeguarding metals against corrosion. An example of this relates to the difficulties that can be encountered storing the massive steel coils within steel works. Moves to eradicate such a problem involved Schwank in an extensive industrial space heating installation at Tata Steel.

 

Condensation resulting from normal humidity can result in the degradation of these coils. To counter this major corrosion issue for Tata, Schwank installed 150 of our high efficiency plaque radiant heaters into a section of their site’s coil storage area. Accurate monitoring and managing of conditions within the building was implemented through Schwank’s leading-edge temperature control and humidity sensor technology. This radiant space heating system has solved the problem completely and the costs and operational issues incurred by corrosion damage are now a thing of the past for Tata!

 

Condensation inevitably occurs when an object is much colder than the air around it, but this problem can be avoided by using gas-fired infrared radiant industrial space heaters. This is because their radiation does not heat the air, but is directly absorbed by objects, which in turn convert the energy into heat. So, if a material with a temperature of 5oC is introduced into a building where the air temperature is 16oC, condensation will be avoided by heating the material until it reaches temperature equalisation with the air.

 

Generally, for the storage of steel coils, the objective is to maintain a relative humidity level well below 60%. A temperature increase from 14oC to 20oC can decrease relative humidity from 60% to 40%, achievable with maximum speed and efficiency using gas-fired infrared radiant heating.

 

These major benefits in heating warehouse space to combat metal corrosion control can be achieved via low-maintenance systems that are easy to install and that promise the cost and energy reductions associated with gas radiant heaters commercial and environmental benefits. Here, as in other varied industrial space heating applications, Schwank gas-fired infrared radiant heating systems have proved their exceptional flexibility and problem solving capabilities.

 

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