SPX DRY COOLING  

Air Cooled Condensers directly condense exhaust steam from the steam turbine without water consumption. They are frequently used in electrical power plants and waste to energy plants of all sizes.

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Traditional A-Frame, is the state-of-the-art Air Cooled Condenser (ACC), suitable for small to large power plants in a large variety of site conditions (low ambient temperature, high wind, high seism, low noise…).

The heat exchanger’s finned tube, the core technology of the Air Cooled Condenser, is the Single-Row Condenser (SRC®) tube – an elongated aluminum cladded carbon steel flat tube with brazed aluminum fins.

The excellent corrosion and freeze resistant SRC® finned tubes are manufactured in the SPX Dry Cooling fully owned state of the art factories.

Heat exchangers are supported by an A-Frame structure, which can be mounted on concrete or steel structure. Both primary and secondary type heat exchangers are provided to ensure good non-condensable gas extraction to the air evacuation unit.

Airflow is delivered by forced draft axial fans, driven by electric motors and gearboxes, installed below the heat exchangers.

The typical scope for an ACC installation includes the heat exchangers, the fan motor groups, the supporting structure, the steam ducting from the steam turbine interface, auxiliaries such as the condensate and drain pumps, condensate tank, the air evacuation units and related piping works, electrical and instrumentation. With over 200 SRC ACC installations, SPX Dry Cooling has extensive experience in designing, manufacturing, delivering and constructing A-Frame ACC’s all over the world.

Advanced design ModuleAir® ACC modules are made up of standard finned tubes of approximately 2 meters in length, arranged in delta on top of a supporting structure. A large portion of the steel structure is made of factory pre-assembled steel trusses for an easy erection on site.

Airflow is delivered by forced draft axial fans, driven by electric motors and gearboxes, installed below the heat exchangers.

The factory pre-assembled ModuleAir® fin tube bundles with Single-Row Condensers (SRC®) tubes, include steam and condensate manifolds, eliminate site welding ensuring ultimate quality. Both primary and secondary finned tube zones are provided to ensure good non-condensable gas extraction to the air evacuation unit.

The heat exchanger’s finned tube, the core technology of the Air Cooled Condenser, is the Single-Row Condenser (SRC®) tube an elongated aluminum cladded carbon steel flat tube with brazed aluminum fins.

The excellent corrosion and freeze resistant SRC® finned tubes are manufactured in the SPX Dry Cooling fully owned state of the art factories.

The typical scope for an ACC installation includes the heat exchangers, the fan motor group, the supporting structure, the steam ducting from the steam turbine interface, auxiliaries such as the condensate and drain pumps, condensate tank, the air evacuation units and related piping works, electrical and instrumentation

The heat exchanger’s finned tubes, the core technology of the Air Cooled Condenser, is the Single-Row Condenser (SRC®) tube – an elongated aluminum cladded carbon steel flat tube with brazed aluminum fins.

The excellent corrosion and freeze resistant SRC® finned tubes are manufactured in the SPX Dry Cooling fully owned state of the art factories.

Finned tubes are arranged vertically on the sides of the Hexacool®, where both primary and secondary finned tubes zones are provided to ensure good non-condensable gas extraction to the air evacuation unit.

Airflow is delivered by induced draft axial fans, driven by electric motors and gearboxes, installed above the heat exchangers.

The typical scope for an ACC installation includes the heat exchangers, the fan motor groups, the supporting structure, the steam ducting from the steam turbine interface, auxiliaries such as the condensate and drain pumps, condensate tank, the air evacuation units and related piping works, electrical and instrumentation.

BoxAir ACC® is an ACC type, integrating standard boxes that are easy to erect. The extended standardization, also enables to insure a very short delivery schedule, and a high reliability level.

BoxAir ACC‘s® typical applications are waste incineration plants, biomass, solar and geothermal power plants, or capacity increase of any existing power plant.

BoxAir ACC® is an Induced Draft Air Cooled Condenser (ACC), made of several standard boxes in- stalled side by side.

The Single-Row Condenser tubes (SRC®) are arranged in two deltas inside the BoxAir ACC® box. The deltas are delivered with welded-on steam manifold and condensate collection headers.

The air is drawn across the finned tubes thanks to two axial ow fans located on top of the BoxAir ACC® box.

This ACC concept drastically reduces site welding and presents a much higher degree of preassembly, compared to a standard A-frame design. The construction duration is therefore minimized.

With its unique “W” heat exchanger arrangement, the amount of structural steel and overall ACC height are dramatically reduced as compared to traditional forced draft arrangements. With its reduced finned tube length as compared to other ACCs, reduced ACC back pressure can be achieved and ow accelerated corrosion risk notably reduced. The W-Style ACC module utilizes our proven Single-Row Condenser (SRC®) finned tubes. The heat exchangers are arranged in a “W” orientation. Two large steam manifolds at the bottom distribute the steam to the heat exchangers. To promote erective non-condensable gas extraction, the heat exchanger arrangement includes primary, secondary and tertiary tubes. Mounted above the heat exchangers are the induced draft axial fans, gearboxes and motors. The “W” arrangement provides central support for the fan bridge mitigating vibration.

The induced draft arrangement mitigates the erect of wind on the ACC performance. The fan deck provides easy access for fan drive maintenance.

The “W” arrangement reduces number of foundation and provided increased flexibility in the foundation location.