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Nuclear Power Special Air Conditioning Unit

Product Description

Design Standards for Air Handling Units Dedicated to Nuclear Power Plants:
Main design standards adopted:
RCC-M Code for Design and Construction of Mechanical Equipment in the Nuclear Island of Pressurized Water Reactor Nuclear Power Plants
RCC-E Code for Design and Construction of Electrical Equipment in the Nuclear Island of Pressurized Water Reactor Nuclear Power Plants
ASME AG-1 Code for Nuclear Air and Gas Treatment
NEMA MG-1 Motors and Generators
UL 900 UL Standard for Safety: Air Filter Units
GB/T14294-2008 "Modular Air Conditioning Units"
GB/T 14296-2008 Air Coolers and Heaters
Nuclear Safety Level Standards
RCC-P3 (NNS)
Whole-machine seismic resistance category
Class I or Class II
Overall machine warranty level
QRA1
Overall machine cleanliness level
Grade B
 
Key technical features:
● Primarily applicable to air handling processes both inside and outside nuclear power plants.
●The frame is made of hot-dip galvanized steel sheets that have been bent multiple times, offering excellent corrosion resistance and high seismic strength.
● The frame and enclosure adopt an anti-"cold bridge" structure, eliminating condensation.
● Uses 50mm-thick box panels with high-pressure polyurethane foam (50 kg/m³), offering excellent thermal insulation and high strength.
● Uses seamless injection-molded foam sealing, with a whole-machine air leakage rate of less than 1.0%.
● Employs an integrated bypass heating coil to enhance the precision and speed of air supply control.
● Large-scale units are assembled on-site, reducing the size of lifting openings and using bolted connections that do not damage the anti-corrosion coating.

Main functional sections of the unit:



Acceleration sensor installation location





On-site seismic testing of the prototype.



 

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