Argon system load changing method for large oxygen generator unit

A variable load and unit technology, applied in refrigeration and liquefaction, liquefaction, solidification and other directions, can solve the problems of wasted steam, energy waste, environmental noise pollution, etc., and achieve the effect of reducing the discharge of liquid argon and eliminating energy waste.

Active Publication Date: 2019-05-17
BAOTOU IRON & STEEL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the unstable export of liquid argon products, the supply of liquid argon is in short supply during the peak season, and when the liquid argon storage tank is full in the off-season, it needs to be discharged outside, which wastes liquid argon resources and wastes steam, and causes noise pollution to the environment, resulting in a certain amount of energy waste.

Method used

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  • Argon system load changing method for large oxygen generator unit
  • Argon system load changing method for large oxygen generator unit
  • Argon system load changing method for large oxygen generator unit

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Embodiment 1

[0024] The method for changing the load of the argon system of a large-scale oxygen generator provided by the present invention, after the actual operation and adjustment, concludes that the load changing operation of the argon system can adopt the following two effective operation methods:

[0025] 1) The argon production increase operation method can increase the argon production from the design value of 1500Nm3 / h to 1700Nm3 / h. When the argon supply is tight, the pressure of the pipeline network can be supplemented and the liquid argon product can be increased.

[0026] 2) The argon production reduction operation method can reduce the argon production from 1700Nm3 / h to 900Nm3 / h to reduce the production of liquid argon to reduce waste and save energy.

[0027] However, in the process of changing the load, it will have a certain impact on the main tower and the argon system. For example, nitrogen plugs in the argon system will be encountered during production increase and decr...

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Abstract

The invention discloses an argon system load changing method for a large oxygen generator unit. Through adjustment of crude argon flow, the opening degree of a V701 valve and argon content of argon cut fraction, the purpose of increasing or reducing argon production of the large oxygen generator unit is achieved.

Description

technical field [0001] The invention relates to a method for changing the load of the argon system of a large-scale oxygen generator. Background technique [0002] The argon products produced by the 9# oxygen generator in the oxygen operation department of Baotou Iron and Steel Plant, except for the steelmaking users of the supply company, most of the remaining liquid argon is sold as liquid argon products, and can also be stored as a backup system . In the event of an air separation unit failure and tripping, the pressure of the argon pipe network is supplemented by an external liquid pump. However, due to the unstable export of liquid argon products, the supply of liquid argon is in short supply during the peak season. When the liquid argon storage tank is full in the off-season, it needs to be discharged outside, which wastes liquid argon resources and wastes steam, and causes noise pollution to the environment, resulting in a certain amount of energy waste. Contents o...

Claims

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Application Information

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IPC IPC(8): F25J3/04
CPCF25J3/04412F25J3/04678F25J3/04703F25J3/04727F25J3/048F25J3/04963F25J2235/58F25J2250/42F25J2250/58
Inventor 赵鹏贾永忠宋海波
Owner BAOTOU IRON & STEEL GRP
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