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Industrial kitchens have high HVAC load requirements due to high exhaust rates from hoods. Especially in cold climates to heat themakeup air in winter requires high initial and – more importantly – high operating costs. Heat recovery always looks like an attractivealternative due to the high temperatures of hood exhaust air. However, since hood exhaust is quite dirty, heat recovery sectionsare clogged very fast. Heat recovery systems are established in six restaurants in Ankara, Turkey. Hood exhaust lines equippedwith electrostatic precipitators (ESP) to keep heat recovery coils clean. Two of those six installations have ESP’s with selfcleaningautomatic washing systems and operating successfully. Four other installations have ESPs without self-cleaning automaticwashing systems and clogged very fast. One of the successfully operating systems has temperature based demand control. Theother one has manual fan speed control. Makeup air side fan speeds are interlocked with exhaust fan speeds. This studywill show ESP’s with automatic washing system protects heat recovery sections and discuss the equipment, methods, results ofthe installed systems and user behaviors including maintenance and operation.
Product Details
- Published:
- 2021
- Number of Pages:
- 7
- File Size:
- 1 file , 790 KB
- Product Code(s):
- D-IAQ2020-C07
- Note:
- This product is unavailable in Russia, Belarus
