Fulin K, Yuxin L, Tong L, Wang L, Yinan Q. Energy Saving Benefit Analysis of the Compressor Short-Stop Adjustment Method Based on TGNET.
ACS OMEGA 2021;
6:29921-29931. [PMID:
34778664 PMCID:
PMC8582042 DOI:
10.1021/acsomega.1c04404]
[Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Accepted: 10/14/2021] [Indexed: 01/10/2023]
Abstract
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Aiming at the problem
of gas emissions caused by the high-pressure
operation of a large industrial gas (O2, N2,
and Ar) pipeline network, this study establishes a mathematical model
of the oxygen transmission and distribution system (OTDS) based on
TGNET software. In addition, the study conducts transient simulation,
comprehensively considering theoretical constraints and actual operation
requirements, and adopts a large air separation company for the OTDS
as a case study. After comparing two traditional adjustment methods,
a compressor short stop adjustment strategy is proposed to reduce
the peak pressure of the pipe network system. This study determines
the energy-saving benefits and the difference in the scope of application
of compressor short-stop adjustment. Compared with the medium-pressure
release and inlet guide vane opening adjustment (IGVOA) strategies,
the compressor short-stop adjustment strategy reduced oxygen emission
by 3850.9 Nm3 and increased by 927.1 Nm3. Furthermore,
the compressor operating energy consumption was reduced by 3349 and
2919 kW h. Compared with the IGVOA strategy, the compressor short-stop
adjustment strategy has increased the application range of compressor
inlet pressure and medium-pressure pipeline pressure by more than
70%. This strategy is effective for reducing the emission of pipeline
gases caused by fluctuations in user demand.
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