- 专利标题: ENHANCED HEAT TRANSFER PIPE, AND PYROLYSIS FURNACE AND ATMOSPHERIC AND VACUUM HEATING FURNACE COMPRISING SAME
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申请号: EP18870014.0申请日: 2018-10-25
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公开(公告)号: EP3702713A1公开(公告)日: 2020-09-02
- 发明人: WANG, Guoqing , LIU, Junjie , ZHANG, Lijun , ZHOU, Cong , ZHANG, Zhaobin , YANG, Shasha , SHEN, Dongfa , LI, Xiaofeng , YANG, Shifang , DU, Zhiguo , ZHANG, Yonggang , SHI, Ying , GUO, Jinghang
- 申请人: China Petroleum & Chemical Corporation , Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- 申请人地址: 22 Chaoyangmen North Street Chaoyang District Beijing 100728 CN
- 专利权人: China Petroleum & Chemical Corporation,Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- 当前专利权人: China Petroleum & Chemical Corporation,Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- 当前专利权人地址: 22 Chaoyangmen North Street Chaoyang District Beijing 100728 CN
- 代理机构: Hoffmann Eitle
- 优先权: CN201711029500 20171027; CN201711023424 20171027; CN201711056794 20171027; CN201711027588 20171027; CN201711057043 20171027
- 国际公布: WO2019080885 20190502
- 主分类号: F28F1/40
- IPC分类号: F28F1/40 ; C10G9/20
摘要:
The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10),wherein the fin (11) has one or more fin sections extending spirally in the axial direction of the pipe body (10), and each fin section has a first end surface facing the inlet (100) and a second end surface facing the outlet (101), at least one of the first end surface and the second end surface of at least one of the rib sections is formed as a transition surface along spirally extending direction. The heat transfer enhancement pipe can reduce thermal stress of itself, thereby increasing service life of the heat transfer enhancement pipe.
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