Ingeniería Química · 2018

Diseño conceptual de un sistema de separación (knockout drum) para la prevención de fallas por arrastre de líquido en compresores de gas

In the present work, the design of a two-phase separation system (gas-liq) is carried out in a Diesel hydrotreating unit in Cartagena, with the central equipment being the knock out drum (KNO). The KNO is a device used in several industrial applications to separate vapor-liq phases, whose main objective will be to avoid the dragging of liquids to a compressor of the process. Which, is responsible for sending the sulfuric acid-free hydrogen to other sections where required. To achieve the proposed objective, initially the operational information of the teams involved in the process was collected, such as the gas stripping device, the rich amine drum and the compressor already mentioned above. Subsequently, a sequence of calculations was established for the design of the gasliq separator where parameters such as the compressibility factor, viscosity and gas capacity, critical speed and settling speed, nozzle diameter of the inlet, liquid capacity among others intervened. factors necessary for the proper sizing of the equipment. Finally, an economic analysis was carried out to know the viability of the project. It was implemented when the initial investment started compared to the United States. Ultimately, the compressor failure only represents 0.12% of the cost of repairs and the cost of production for the stops required in this time...

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