Regularities of formation of total energy expenditures of pulse-jet bag filters at the stages of manufacturing and operation
DOI:
https://doi.org/10.34185/1562-9945-4-165-2026-14Keywords:
energy intensity, pulse-jet bag filters, construction energy expenditures, operational energy expenditures, total energy expendituresAbstract
The paper examines energy consumption throughout the lifecycle of construction and operation of pulse-jet regenerated bag filters (PJBF) for flue gas dedusting. Experimental data from PJBF developed and implemented by SE ‘’UkrSTC "Energostal" at Ukrainian mining-metallurgical enterprises over the past 30 years were collected, generalized, and analyzed. Obtained dependencies of filtration area, mass, and compressed air consumption on filter productivity enabled determination of actual energy consumption, including energy expenditures for metal production and construction of filter housing and mechanical equipment, energy for filter bags, electricity for fan operation to transport flue gases through the filter, and electricity for compressor operation for air compression in the regeneration
system.
It was established that annual operational energy expenditures are comparable to energy costs for filter unit production. Both values show similar absolute figures and dependency patterns. This equivalence offers a new perspective on the energy load structure of filtration systems over their lifecycle and highlights parameters significantly affecting total energy intensity.
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