A few days ago, the South African Department of Energy announced the second round of the second batch of wind power project winning list, the purchase orders and EPC business of the local owners of Goldwind Technology . This is the company following the April get GoldenValley project 120MW wind turbine order in South Africa, the fourth round of the first wind power project, after less than two months in this emerging market was the second unit orders. The order is for the Excelsior wind power project developed by BioThermEnergy , a leading African energy company . The Excelsior project is located in the Eastern Cape Province of South Africa with an average annual wind speed of 7.5m/s and a project capacity of 32.5MW . 13 gold wind 2.5MW ( 109/2500 ) direct-drive permanent magnet wind turbines will be used . Goldwind will also provide EPC's total solution for the project. Goldwind will continue to establish its position in South Africa by virtue of its high level of execution performance and crew record for South Africa.
Twisted Tube Heat Exchanger is to strengthen the turbulence of the flowing gas/fluid, so that the gas and the tube wall contact thoroughly. In addition to enhancing heat transfer, the twisted tube heat exchanger also has the advantages of reducing scaling, self-supporting between tube bundles, no baffle plate elements and so on.
With that being said, novel Twisted Tube Heat Exchanger is much more efficient than conventional tubular heat exchanger, or Shell And Tube Heat Exchanger. Twisted tube heat exchangers are also used in applications where the fluids are corrosive or contain particulates, as they are better able to handle these conditions than other types of shell and tube heat exchangers or Air Heat Exchanger.
Twisted tube heat exchangers are constructed from a series of twisted tubes arranged around a central tube. The tubes are twisted in such a way that the fluid will change direction multiple times as it passes through the exchanger. This increases the turbulence of the fluid and creates a larger surface area for the heat exchange, which increases the efficiency of the exchanger.
The shell is usually made from a thick metal such as carbon steel, which increases the durability of the exchanger.
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