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Special Unit for Nuclear Power Station
Name : Special Unit for Nuclear Power Station

Air Handling Unit for nuclear power stations has the functions of ventilation, cooling, heating, humidifying, dehumidifying and air purifying and so on. Rated air volume range 2000-80000m3/h, cooling capacity: 12-681 kW, heating capacity: 14-1086kW, fan total pressure more than 2000Pa. The unit is sorted into two types: standard units and fresh air units, with 16 specifications respectively.

The Air Handling Unit for nuclear power stations are mainly applied in technique workshops such as conventional island and Balance of Plant (BOP), and non-technique workshops.


①.  High quality and superior performance: main components are selected from international branded product, such as fan, motor, humidifier, filter, heat exchanger, aluminum fins, and key parts for control system and so on.

②.   Reliable quality: Jirong owns internationally advanced testing center, ensuring unit performance through inspection on air volume, air pressure, cooling capacity and heating capacity.

③.   Modular design: This design enables flexible product, design, function sections to meet with client requirements

④.   Aluminum framework structure, firm and durable, good heat insulation and air tightness.
Aluminum alloy framework structure, smooth inner surface, dead zone free, smooth external surface,
Aluminum lining steel channel, anti-corrosive, good mechanical strength, maximum static pressure 2000Pa
Anti-cold bridge design ensures the surface free of condensation phenomenon. Dual-layer steel plate with inner plate made of stainless steel and external plate made of spray coating, radiation resistant cold-rolled steel plate; built-in reinforced framework, with 50mm polyurethane insulation material in between.
Multi-point locking mechanism for access door, improving air-tightness of the unit and ensuring no cold bridge and no condensation phenomenon.
Radiation resistant sealing strip between panel and framework, ensuring air tightness and insulation of the unit. Air leakage rate ≤1%.

⑤.   High efficient heat exchanger: the surface cooler and heater are made of copper tube and double sine-wave type copper fins, and conducted by mechanical expansion. The surface cooler is sized of 4, 6, and 8 rows. The framework and water pan are made of stainless steel.

⑥.   Dry type water pan with inclination, ensuring smooth drainage. Keep dry without bacteria.

⑦.   All main components are salt spray resistant, and all non-metallic materials are radiation resistant.

⑧.   Flexible supply: small units are assembled for delivery and large units are delivered in sections.


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