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          翅片管是用在什么地方的?

          發布時間:2019-03-25 作者:洛陽星利達熱力設備有限公司

          翅片管是用在什么地方的?

            什么地方需要使用翅片管呢?大家跟隨翅片管廠家星利達一同來解決下吧!

                 Where do you need to use finned tubes? Let's follow the fin tube manufacturer Xing Lida to solve it!

                 不銹鋼翅片管.jpg


            (1)管子兩側的換熱系數如果相差很大,則應該在換熱系數小的一側加裝翅片。

                 (1) If the heat transfer coefficient on both sides of the pipe is very different, fins should be added on the side where the heat transfer coefficient is small.


            例1:鍋爐省煤器,管內走水,管外流煙氣,煙氣側應采用翅片。

                Example 1: Boiler economizer, water in the pipe, flue gas outside the pipe, fins should be used on the flue gas side.


            例2:空氣冷卻器,管內走液體,管外流空氣,翅片應加在空氣側。

                Example 2: Air cooler, the liquid in the tube, the air outside the tube, the fins should be added on the air side.


            例3:蒸汽發生器,管內是水的沸騰,管外走煙氣,翅片應加在煙氣側。

                 Example 3: Steam generator, the water in the tube is boiling, the flue gas is taken outside the tube, and the fins should be added to the flue gas side.


            應注意,在設計時,應盡量將換熱系數小的一側放在管外,以便于加裝翅片管。

                It should be noted that, at the time of design, the side with the small heat transfer coefficient should be placed outside the tube as much as possible to facilitate the installation of the fin tube.


            (2)如管子兩側的換熱系數都很小,為了強化傳熱,應在兩側同時加裝翅片,若結構上有困難,則兩側可都不加翅片。在這種情況下,若只在一邊加翅片,對傳熱量的增加是不會有明顯效果的。

                (2) If the heat transfer coefficient on both sides of the pipe is very small, in order to enhance heat transfer, fins should be added on both sides at the same time. If there are structural difficulties, no fins may be added on both sides. In this case, if fins are added only on one side, there is no significant effect on the increase in heat transfer amount.


            例1:傳統的管式空氣預熱器,管內走空氣,管外走煙氣。因為是氣體對氣體的換熱,兩側的換熱系數都很低,管內加翅片又很困難,只好用光管了。

                Example 1: A conventional tubular air preheater, the air is taken inside the tube, and the flue gas is taken outside the tube. Because it is the heat exchange between gas and gas, the heat transfer coefficient on both sides is very low, and it is very difficult to add fins in the tube, so it is necessary to use the light pipe.


            例2:熱管式空氣預熱器,雖然仍是煙氣加熱空氣,但因煙氣和空氣都是在管外流動,故煙氣側和空氣側都可方便地采用翅片管,使傳熱量大大增加。

                Example 2: The heat pipe type air preheater, although it is still flue gas to heat the air, since the flue gas and the air flow outside the pipe, the flue pipe side and the air side can conveniently adopt the finned tube to make the heat transfer amount. greatly increase.


            (3)如果管子兩側的換熱系數都很大,則沒有必要采用翅片管。

                 (3) If the heat transfer coefficient on both sides of the pipe is large, it is not necessary to use a finned tube.


            例1:水/水換熱器,用熱水加熱冷水時,兩側換熱系數都足夠高,就沒有必要采用翅片管了。但為了進一步增強傳熱,可采用螺紋管或波紋管代替光管。

                 Example 1: Water/water heat exchanger. When heating cold water with hot water, the heat transfer coefficient on both sides is high enough, it is not necessary to use finned tubes. However, in order to further enhance heat transfer, a threaded tube or a bellows may be used instead of the light tube.


            例2:發電廠冷凝器,管外是水蒸汽的凝結,管內走水。兩側的換熱系數都很高,一般情況下,無需采用不銹鋼翅片管。

                 Example 2: Power plant condenser, outside the tube is condensation of water vapor, water in the tube. The heat transfer coefficient on both sides is very high. Under normal circumstances, it is not necessary to use stainless steel finned tubes.


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          洛陽星利達熱力設備有限公司是一家專注于生產銷售:翅片管、不銹鋼翅片管、翅片管式換熱器、燃氣爐專用翅片管等換熱元件的翅片管廠家。

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