Optimization of Condensate Transfer Pump in the Hydrocarbon Condensate Stabilization Unit of Natural Gas Liquefaction Plant – An Industrial Case

International Journal of Applied Science and Engineering Pub Date : 2022-11-07 DOI:10.30560/ijas.v5n2p1

Donny Ridwan Prihadi, Ronggo Ridwan Prihadi, S. H. Pranolo, J. Waluyo, Firman Asto Putro

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Abstract

PT. Badak NGL is a commercial LNG producer located in Bontang, Indonesia. In recent years, the decline in LNG production of PT. Badak NGL results in a lower hydrocarbon condensate flow rate. To prevent power losses since its pump operated at below rating, a new operation scheme was proposed. This new scheme adjusts the way of pump is operated without any alteration in terms of pump characteristics. Three pumps operated intermittently for 8 hours per day at a maximum flow rate. The pump power consumption was calculated based on electric current data monitored relay panel. The results show that the pump energy saved by 60% with the absolute value of annual energy efficiency of 957.7 MWh. This study contributes to reducing the greenhouse effect by 412 tons eq CO and the annual production cost of around USD 130,000. The new scheme reliability examines by evaluating pump vibration, pump performance, hydrocarbon condensate quality, and condensate tank liquid level. The result shows that the pump’s vibration in the range of 0.21 in/sec with a steady winding temperature.

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天然气液化装置烃类凝析稳定装置凝析液输送泵的优化——一个工业实例

PT. Badak NGL是一家位于印度尼西亚Bontang的商业液化天然气生产商。近年来，PT. Badak NGL的液化天然气产量下降，导致凝析油流量下降。为防止泵在低于额定功率下运行造成的功率损失，提出了一种新的运行方案。新方案在不改变泵特性的前提下，调整了泵的运行方式。三台泵每天以最大流量间歇运行8小时。根据继电器面板监测到的电流数据，计算泵的功耗。结果表明，泵节能60%，年能效绝对值为957.7 MWh。本研究有助于减少温室效应412吨当量CO，年生产成本约13万美元。通过对泵的振动、泵的性能、凝析油质量、凝析油罐液位等进行可靠性检验。结果表明，泵的振动在0.21 in/sec范围内，绕组温度稳定。

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来源期刊

International Journal of Applied Science and Engineering Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

CiteScore

2.90

自引率

0.00%

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期刊介绍： IJASE is a journal which publishes original articles on research and development in the fields of applied science and engineering. Topics of interest include, but are not limited to: - Applied mathematics - Biochemical engineering - Chemical engineering - Civil engineering - Computer engineering and software - Electrical/electronic engineering - Environmental engineering - Industrial engineering and ergonomics - Mechanical engineering.