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Cooling tower Field erected type

Views: 2     Author: Site Editor     Publish Time: 2023-05-20      Origin: Site

A cooling tower is a device that rejects waste heat to the atmosphere by cooling a coolant stream, usually a stream of water, to a lower temperature.Cooling towers can use the evaporation of water to remove process heat and cool the working fluid to near wet-bulb air temperature or in the case of dry cooling towers, rely on air alone to cool the working fluid to near dry-bulb temperature. Bulbs using radiators air temperature.Common applications include cooling circulating water used in refineries, petrochemical and other chemical plants, thermal power plants, nuclear power plants, and HVAC systems used to cool buildings.Classification is based on the type of wind entering the tower:The main types of cooling towers are natural draft and induced draft cooling towers.

Cooling tower

Cooling towers vary in size, from small rooftop units to very large double-curved structures (as shown in the adjacent images), up to 200 meters (660 feet) in height and 100 meters (330 feet) in diameter, or rectangular Structures that can exceed 40 meters (130 feet) in height and 80 meters (260 feet) in length.Hyperboloid cooling towers are commonly associated with nuclear power plants,although they are also used in some coal-fired power plants and to some extent in some large chemical plants and other industrial plants. Despite the prominence of these large towers, the vast majority of cooling towers are much smaller, Includes a number of devices installed on or near buildings to reject heat generated by air conditioning. Cooling towers are also often perceived by the public as emitting smog or noxious gases, when in fact the emissions from these towers mostly have no carbon footprint and consist only of water vapour.However, in coal-fired power plants, the flue pipes are usually led directly into the cooling tower, so the cooling tower can indeed also be used as a chimney.

Classified by structure

Type of packaging:

These types of cooling towers are factory pre-assembled and can simply be transported by truck since they are compact machines. Modular towers have limited capacity, so they are usually the first choice for facilities with low heat removal requirements, such as food processing plants, textile mills, some chemical processing plants, or buildings such as hospitals, hotels, shopping malls, automobile factories, etc.Sound level control is a relatively more important issue for packaged cooling towers since they are often used in or near residential areas.

Field erected type

Facilities such as power plants, steel processing plants, oil refineries, or petrochemical plants often have field-mounted cooling towers because of their greater heat removal capacity.Field installed cooling towers are usually much larger in size than packaged cooling towers.A typical field-installed cooling tower has a pultruded fiber-reinforced plastic (FRP) structure, FRP cladding, ventilation mechanisms, and drift eliminators.

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