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    • 1. 发明授权
    • Cooling method of hydrotreating plant and cooling unit therefor
    • 加氢处理装置冷却方式及冷却装置
    • US07112311B2
    • 2006-09-26
    • US09984967
    • 2001-10-31
    • Yuji YoshizumiHidekatsu HondaMasayuki ShojiToshihiko NasuKatsuhiko KawakamiJunichi Takano
    • Yuji YoshizumiHidekatsu HondaMasayuki ShojiToshihiko NasuKatsuhiko KawakamiJunichi Takano
    • B01J8/00C10G45/00
    • C10G45/02B01D53/1468B01J2219/00006
    • A cooling method of a hydrotreating plant having a desulfurization section (1) including a furnace (12) for heating liquid to be processed, reactors (14, 15) for hydrotreating sulfur to generate hydrogen sulfide, a hydrogen sulfide absorber (19) for absorbing the hydrogen sulfide generated in the reactors (14, 15), and a compressor (21) for compressing and transferring fluid from the hydrogen sulfide absorber (19) toward the reactors (14, 15), the cooling method comprising the steps of gradually depressurizing the hydrotreating plant at the desulfurization section (1) to a pressure level at which reactor material does not embrittle and gas does not leak due to difference of mechanical thermal expansion in the plant after stopping supply of the liquid to be processed, operating the compressor (21) approximately at the maximum rotation number, and completely extinguishing burners (12A, 12B) in the furnace (12) during plant shutdown operation.
    • 具有脱硫部(1)的加氢处理装置的冷却方法,所述脱硫部(1)包括用于加热待处理液体的炉(12),用于加氢处理硫以产生硫化氢的反应器(14,15),用于吸收硫化氢的硫化氢吸收剂 在反应器(14,15)中产生的硫化氢和用于将流体从硫化氢吸收器(19)压缩并输送到反应器(14,15)的压缩机(21),所述冷却方法包括以下步骤:逐渐减压 脱硫段(1)的加氢处理装置达到反应器材料不会脆化的压力水平,并且在停止供给待处理液体的操作之后,由于工厂中机械热膨胀的差异而使气体不会泄漏(操作压缩机) 21),并且在工厂关闭操作期间在炉(12)中完全熄灭燃烧器(12A,12B)。