Development of energy efficient system of gas cooling of mobile diesel compressor stations of oil and gas industry
DOI:
https://doi.org/10.31471/1993-9868-2020-1(33)-81-89Keywords:
mobile compressor station, diesel power drive, increase of energy efficiency, system of cooling of compressed gas, use of heat.Abstract
The developments of domestic and foreign specialists in the field of improving the energy efficiency of mobile diesel compressor stations of the oil and gas industry is studied. The disadvantages of existing mobile diesel
compressor stations in terms of their energy efficiency are identified. Theoretical studies of energy efficiency directions and designs of existing mobile diesel compressor stations have been carried out. It has been studied that for efficient operation of a compressor station it is rational to increase the load of compressors and organize the operation of equipment in energy-efficient modes. Ways to improve the energy efficiency of mobile diesel compressor
stations with various options are proposed. It has been established that the optimal way to increase energy
efficiency is to reduce the gas temperature to lower temperatures, in comparison with the existing gas cooling
systems of compressor stations. It is found that with an increase in the degree of pressure, the savings in gas
compression for a compressor with a promising scheme for intermediate gas cooling also increase. An indicator diagram of compressor stations with various cooling schemes has been built. The scheme of the existing system of multi-stage gas cooling of mobile diesel compressor stations is investigated. An improved energy-efficient cooling system for compressed gas by using the heat of compression of gases is proposed. The conclusion about the existence of a reserve to reduce the energy costs of compression due to the use of a coolant-cooler with a temperature significantly lower than the ambient temperature is presented. The description of the working processes of mobile diesel compressor stations according to the existing and perspective schemes is made.
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