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            螺紋換熱管:取代翅片換熱管的全新選擇

            文章作者:超級管理員 人氣:0發表時間:2023-10-13 17:10:04

            螺紋換熱管:取代翅片換熱管的全新選擇

            隨著技術的不斷進步與創新,螺紋換熱管作為一種新型的換熱部件,將會逐漸取代傳統的翅片換熱管。接下來,MingYi將從流量分配、結垢問題、傳熱效率等方面,詳細介紹螺紋換熱管的優勢與翅片換熱管相比的差異。

            1、多臺換熱器并聯運轉時的流量分配均衡問題

            翅片換熱管在多臺并聯運轉時,由于設計上的限制,往往會導致流量分配不均衡的問題。而螺紋換熱管通過螺紋槽的形成,使管內氣流形成渦流,增強了湍流狀態下的對流換熱能力,有效解決了流量分配不均的難題。

            2、結垢問題

            翅片換熱管由于結構上的特點,容易產生內部結垢問題,導致換熱效率降低。而螺紋換熱管的螺紋槽存在于管表面,增加了管表面的粗糙度,通過破壞空氣流動的邊界層,明顯改進了層流狀態下空氣的對流換熱能力,有效降低了結垢的風險。

            3、傳熱效率與能力

            螺紋槽的存在使傳熱管的傳熱表面積相比翅片換熱管大了很多,從而提高了傳熱效率。此外,螺紋換熱管的固有頻率高于翅片換熱管,減小了換熱器的振動,從而提高了傳熱器的使用壽命。

            4、其他優勢

            螺紋換熱管在使用過程中還有其他一些優勢。螺紋槽的形成引起管內氣流形成渦流,使得湍流狀態下的對流換熱能力顯著增強。此外,螺紋換熱管的粗糙表面能夠改善層流狀態下的對流換熱效率。

            綜上所述,螺紋換熱管以其出色的性能,將會逐漸取代傳統的翅片換熱管。螺紋槽的形成增強了湍流狀態下的對流換熱能力,通過破壞空氣流動的邊界層,顯著改進了層流狀態下的對流換熱效率。此外,較大的傳熱表面積和較高的固有頻率使螺紋換熱管在實際應用中具有更為廣泛的適用性和更長的使用壽命。

            然而,需要注意的是,在選擇換熱器時,不同的工況和具體需求可能需要綜合考慮多個因素,并根據實際情況作出合理的選擇。

            (聲明:本文內容僅供參考,具體應用需結合實際情況并經過專業人士確認。)

            ——名毅機械/10.13,2023


            With the continuous progress and innovation of technology, threaded heat exchanger tube, as a new type of heat exchanger component, will gradually replace the traditional finned heat exchanger tube. Next, MingYi will introduce the advantages of threaded heat exchanger tubes compared with finned heat exchanger tubes from the aspects of flow distribution, fouling problem and heat transfer efficiency.

             

            1、Multiple heat exchangers in parallel operation of the flow distribution equalization problem

            Finned heat exchanger tube in multiple parallel operation, due to design constraints, often leads to uneven flow distribution. Threaded heat exchanger tube through the formation of threaded grooves, so that the formation of vortex airflow inside the tube, enhance the turbulent state of convection heat transfer capacity, effectively solve the problem of uneven flow distribution.

             

            2、Scaling problem

            Finned heat exchanger tube due to structural characteristics, easy to produce internal scaling problems, resulting in reduced heat transfer efficiency. The threaded groove of the threaded heat exchanger tube exists on the surface of the tube, which increases the roughness of the tube surface, and by destroying the boundary layer of air flow, it significantly improves the convective heat transfer capacity of the air in the laminar flow state, and effectively reduces the risk of fouling.

             

            3、Heat transfer efficiency and capacity

            The existence of threaded grooves makes the heat transfer surface area of the heat transfer tube much larger compared with that of the finned heat transfer tube, thus improving the heat transfer efficiency. In addition, the intrinsic frequency of the threaded heat transfer tube is higher than that of the finned heat transfer tube, which reduces the vibration of the heat exchanger and thus improves the service life of the heat transfer device.

             

            4、Other advantages

            Threaded heat exchanger tube has some other advantages in the process of use. The formation of threaded grooves caused by the formation of vortices in the tube airflow, so that the turbulent state of convection heat transfer capacity is significantly increased. In addition, the rough surface of the threaded heat exchanger tube can improve the convection heat transfer efficiency under laminar flow.

             

            In summary, the threaded heat exchanger tube will gradually replace the traditional finned heat exchanger tube with its excellent performance. The formation of threaded grooves enhances the convective heat transfer capability under turbulent flow and significantly improves the convective heat transfer efficiency under laminar flow by destroying the boundary layer of air flow. In addition, the larger heat transfer surface area and higher intrinsic frequency enable the threaded heat exchanger tube to have wider applicability and longer service life in practical applications.

             

            However, it should be noted that when selecting a heat exchanger, different working conditions and specific needs may require comprehensive consideration of a number of factors, and make a reasonable choice according to the actual situation.

             

            (Disclaimer: The content of this article is for reference only, the specific application should be combined with the actual situation and confirmed by professionals.)



             ——By MingYi/October 13,2023


            螺紋管2.jpg

            螺紋管2.jpg



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