Heating on new Miele Professional dryers almost for free

Exploiting waste heat to significantly reduce energy costs

Gütersloh, (PresseBox) - At the forthcoming 'Altenpflege 2012' trade show, Miele will for the first time be presenting tumble dryers with a supply connection for hot water heated centrally using waste heat. The prerequisite is a cogeneration unit which is already in existence in many nursing homes or, alternatively, district heating. In both cases, hot water is a by-product which can be put to good use on site. One such application is the feed water for washer-extractors and - from Autumn 2012 onwards, a new type of heating for Miele dryers . First pilot units have already proved their validity in field trials.

Principle of operation: The heat energy provided by hot water is used to heat the process air in a tumble dryer as it passes through the heater bank. In contrast to regular steam-heated dryers which already operate along similar lines, the entire system has been fine-tuned and optimised to run at lower water temperatures. Even the process air temperature on the new dryers has been reduced compared with conventionally heated models: These results in gentler fabric care in combination with the patented Miele honeycomb drum.

This new type of heating will be available on tumble dryers of various sizes ranging from 325 l to 800 l drum volumes for 13 to 40 kg of laundry. These dryers perfectly complement Miele washer-extractors which are already available with a hot-water fill. This technology is virtually self-funding, making central water heating in a unit-type cogeneration power station an even more attractive proposition than it already is. The same applies to outsourced district heat. An on-site power station offers double benefits: Clients producing more electricity than they need can feed surplus power into the general grid - and, in Germany, cash in on higher kilowatt-hour rates.

Miele & Cie. KG

Miele is the world leader in the field of premium domestic appliances including cooking, baking and steam-cooking appliances, refrigeration products, coffee makers, dishwashers and laundry and floorcare products. This line-up is augmented by dishwashers, washer-extractors and tumble dryers for commercial use as well as washer-disinfectors and sterilisers for use in medical and laboratory applications (Miele Professional). The company, founded in 1899, has 8 production plants in Germany and one plant each in Austria, the Czech Republic, China and Romania. 2010/11 turnover amounted to approx. EUR 2.95 bn with sales outside Germany accounting for 70%. Miele is represented with its own sales subsidiaries and via importers in almost 100 countries. The Miele company, now in the fourth generation of family ownership, employs a workforce of around 16,500 with two-thirds in Germany. The company headquarters are located in Gütersloh/Westphalia, Germany.

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