Gas hydrate prevention technology in low-temperature conditioning using ultra-high frequency radiation energy
DOI:
https://doi.org/10.33271/crpnmu/84.134Keywords:
hydrate formation, methanol, ultra-high frequency electromagnetic radiation, energy efficiency, gas treatment, low-temperature separation, natural gas, mathematical modelingAbstract
Purpose. Improving the efficiency of methanol use in low-temperature gas treatment processes under hydrate formation conditions by utilizing ultra-high frequency radiation energy. The methods. The analysis of hydrocarbon was carried out using physical, chemical and physicochemical research methods. The study of methanol content in technological lines of low-temperature gas separation plants was carried out using the Aspen HYSYS simulator. The power of electromagnetic radiation was determined using the Pipe3 computer program developed by the author. The results of industrial implementation and the economic efficiency of the developed technology were analyzed using industrial data processing and analysis methods. Findings. The technology for using methanol in low-temperature gas preparation processes using microwave radiation energy has been developed. The choice of a site for installing a magnetron between the choke device and the second-stage separator has been substantiated. A new design of a removable insert with a magnetron has been proposed. A distinctive feature of the development is the creation of a resonant zone between the choke and the diaphragm. The installation of a microwave emitter in the technological scheme of a low-temperature separation installation has been proposed. A method for selecting the magnetron power depending on the concentration of hydrates in the flow has been determined. Technical limitations of the technology for pressure, pipeline diameter and phase movement regime have been established. The results of testing a new technology for using methanol in the conditions of the Zakhidny Radchenko gasification plant are presented. The originality. New approximate dependences of specific methanol and electricity consumption on daily gas consumption have been established for the use of microwave radiation technology in low-temperature gas preparation processes in a certain range of gas consumption. Practical implementation. The proposed technology for methanol application in low-temperature gas treatment processes using ultra-high frequency radiation energy ensures hydrate-free operation of integrated gas treatment units, reduces the consumption of expensive and toxic methanol, and lessens the environmental impact.References
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