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The working principle of FRP cooling tower.

FRP cooling tower, a lot of people know, has its presence in many places, but few people know how it works, how to achieve the effect of cooling, hebei nine bo composites co., LTD to you today with FRP cooling tower of knowledge - cooling tower work principle.

The generic term "cooling tower" is used to describe direct (open) and indirect (closed circuit) cooling equipment.Although most to come up with a "FRP cooling tower as an open direct contact heat dissipation device", indirect cooling tower, is sometimes referred to as "closed circuit cooling tower" is but it is also a cooling tower.

A direct, or open-circuit cooling tower is a means of sealing the inside of a sealed structure by spraying the circulating water in a spray, sprayed onto the fiberglass filler.The packing provides a greater contact surface, through the contact of water and air, to achieve the heat exchange effect.In addition, the fan drives the air circulation in the tower, and it will be brought out with the hot air flow after the heat exchange, so as to achieve cooling.

FRP cooling tower

Filling may include multiple, mainly is vertical, wet surface on which the spread of water (filling) or lateral splash elements has created many larger surface area of small water droplets membrane (splash) cascade of several levels.

Indirect or closed-circuit cooling towers do not involve air and liquid, usually water or ethylene glycol mixtures direct contact is cooled.Different is the open cooling tower, the cooling tower indirectly has two independent fluid circuits.One is that the water in the external circuit is in the second circuit, which is the heat flow process that is connected to the outer loop of the tube (closed coil) and is cooled and returned in closed circuit.The air is drawn through the loop through the entire heat pipe, providing a similar evaporative cooling tower.In the operating heat flow from the internal fluid circuit, through the coil tube wall, the external circuit, and then by air and water some evaporation heating, into the atmosphere.Indirect cooling tower action, therefore very similar, opened the cooling tower with an exception.This process is cooled in a "closed" loop, not directly exposed to the air or outside of the circulating water.

When the air in the countercurrent cooling tower passes through the fill or tube, the opposite water moves downwards.The water moves downward as the horizontal flow of the cooling tower moves through the filling.

Another feature of the cooling tower is the use of mechanical ventilation cooling towers, which rely on electrically driven fans to attract or forcibly fill the air.The higher exhaust stack used by the natural ventilation cooling tower provides buoyancy to the air, and the fan assists the natural wind to increase the impact of buoyancy.Many early cooling towers rely on the buoyancy of the wind to attract air.

If the cooling water is reused from the cooling tower, some of the water must be added to the replacement or composition, and the flowing part of the water evaporates.Including pure water due to evaporation, dissolution of minerals and other solid concentration of circulating water tends to increase, unless some dissolved solids, so also lost some water and waste gas (drift) droplets is carrying out, but this is often reduced to a very small amount, to install baffle device, called drift out, collecting droplet.The cooling water evaporates, blows down, and then drifts, reducing the loss of water seepage, such as wind blowouts and other water, to maintain a stable water level.

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