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drift loss, drift eliminator

2009-03-05View Original

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Higher than expected drift loss from the cooling towers necessitated another system modification. The thermatic drift eliminators were replaced with Munters drift eliminators within the first year of the plant’s operation.
Reply #22009-03-05
It seems to be a component on the cooling tower, used to reduce water loss. Thermatic and Munters are likely two different designs. Search for “drift eliminator” on Google; there are many explanations available, so go and look for them yourself! This post was last edited by ludinggi on 2009-3-5 15:57.]
Reply #32009-03-05
drift loss: refers to the drift loss in cooling towers; drift eliminators: refer to the droplet eliminators in cooling towers
Reply #42009-03-05
Drift loss: This refers to the loss of water that occurs when circulating water is sprayed downward from the top of the cooling tower; it results from splashing caused by external wind forces and suction generated by fans. All such losses in water volume are collectively referred to as drift loss. The amount of water lost due to wind is influenced not only by the type and structure of the cooling tower but also by the wind speed. To reduce wind-induced losses, a water absorber can be installed inside the tower top. The wind-induced loss is generally around 0.2% to 0.5% of the circulating water volume ; Well-designed cooling towers can achieve 0.1% to 0.2%. Additional modifications to the system were required due to the cooling tower being higher than the expected wind loss. In the first year of operation of the plant, the Thermatic splash eliminator was replaced with a Munters splash eliminator
Reply #52009-03-06
It is called a water collector in China. It’s the stuff used for cooling towers. Thermatic drift refers to the movement of water caused by thermal evaporation; the corresponding term should be mechanical drift (to be determined), which refers to the movement of water in the form of droplets.
Reply #62009-03-06
Here, thermatic and munter should be modifying eliminator, referring to the water removal principle of the dehydrator. In cooling towers, drift loss refers to the wind-induced loss discussed in the previous sections. This post was last edited by niuky on 2009-3-6 13:50]
Reply #72009-03-06
In that term Munter, the ‘M’ is in uppercase; it’s a brand name. So what that sentence means is: in the first year of operation, the heat (evaporation) water collector was replaced with a Munters unit. Munters condensers are also condensers used to eliminate evaporation losses.
Reply #82009-03-06
Wind drift loss: The amount of water lost due to evaporation in the air and wind-driven dispersion of the sprayed water droplets. www.water800.com/szbz/4/w20050711-1.pdf This post was last edited by RainWolf on 2009-3-6 at 13:55.]
Reply #92009-03-06
You’re not talking about cooling towers here. In any book on cooling towers, evaporation losses and wind-induced losses are discussed separately. http://www.cheresources.com/ctowerszz.shtml http://en.wikipedia.org/wiki/Cooling_tower The definition of drift loss is given on the 4th page.
Reply #102009-03-06
Then how do you explain that thermic?

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