4、计算AbstractThis article mainly according to the given parameters and technical requirements to design the corresponding tube heat exchanger. At first, this paper calculated according to the process conditions, select heat exchanger type, the design selected fixed tube plate shell and tu
5、be heat exchanger, heat exchanger parameters. Then carries on the structure design and strength calculation, four kinds of working condition checking, the result is meet the requirements. Finally take over reinforcement, hydrostatic test, the result is meet the requirements. According
6、to the standard selection of takeover, flange, saddle support, gaskets. Firstaccordingtothegiventemperatureanddesignpressuretodeterminethestructureofdeviceandtheshellsideandtubesideofthematerial,thenaccordingtothenatureofthematerialandtheheattransferareatodeterminetheheatexchangetubema