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    • 8. 发明公开
    • 공기분리장치의 한냉손실방지를 위한 운전방법
    • 用于防止空气分离器中的冷却物损失的驱动方法
    • KR1020030046252A
    • 2003-06-12
    • KR1020010076729
    • 2001-12-05
    • 주식회사 포스코
    • 조병열한상철최용영최춘기
    • F25J5/00
    • F25J3/04824F25J3/04296F25J3/04412F25J3/04957F25J2210/40F25J2230/40F25J2240/10F25J2245/40F25J2270/14
    • PURPOSE: A driving method to prevent loss of cold in an air separator is provided to reduce restarting time of equipment by generating cold with extra air exhausted from a neighboring air separator when the air separator stops for repairing for short time. CONSTITUTION: Extra high pressure air in a neighboring air separator is supplied to a booster(150A) of a cold generator(150) after an air compressor stops. Air exhausted from the booster cools a heat exchanger(140) and supplies to an expansion turbine(150B) with the air. A lower column and an upper column of a rectifying column maintain cooling by receiving air exhausted from the expansion turbine. Thereby, loss of cold is prevented by generating cold with high pressure air provided from the neighboring air separator when the air separator stops. Therein, equipment restarts rapidly.
    • 目的:提供一种防止空气分离器中的冷却失控的驱动方法,以便在空气分离器在短时间内停止修理时,通过产生具有从相邻空气分离器排出的额外空气的冷气来减少设备的重启时间。 构成:在空气压缩机停止之后,相邻空气分离器中的超高压空气被供应到冷发生器(150)的增压器(150A)。 从增压器排出的空气冷却热交换器(140)并用空气供应到膨胀涡轮机(150B)。 精馏塔的下塔和上塔通过接收从膨胀涡轮机排出的空气来保持冷却。 因此,当空气分离器停止时,通过从相邻的空气分离器提供的高压空气发生冷而防止冷的损失。 其中,设备快速重启。