Tube bundle heat exchanger

The utility model discloses a tube bundle heat exchanger which comprises a sleeve type shell, tube supports arranged at the two ends of the shell, a front end cover, a rear end cover and heat exchanging tubes arranged between the two tube supports. The front end cover is connected with one end of th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SONG JIA, WANG JIAN, GAI JIANGBO, QIN LIFENG, JIN HAIBO, ZHANG XIANZHE, TAN JIABIN, HU XUYAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a tube bundle heat exchanger which comprises a sleeve type shell, tube supports arranged at the two ends of the shell, a front end cover, a rear end cover and heat exchanging tubes arranged between the two tube supports. The front end cover is connected with one end of the shell, is located on the outer side of the corresponding tube support and defines an air inlet cavity with the tube support, and the rear end cover is connected with the other end of the shell, is located on the outer side of the corresponding tube support and defines an air exhaust cavity with the tube support. Each heat exchanging tube comprises a front end portion, a main tube body and a rear end portion, wherein the inner diameter of the rear end portion is larger than the inner diameter of the main tube body, the inner diameter of the main tube body is 1.2 times the inner diameter of the front end portion, and the length of the main tube body is 0.6 times the overall length of the heat exchanger. A water inl