Abstract
The issue of increasing the reliability of gas exhaust devices remains quite relevant, since a large number of violations of vacuum deaeration of water are associated with their failures. Jet gas removal devices - ejectors, are used as devices for removing non-condensable corrosive gases from vacuum deaerators. The article provides a detailed description of the designs and existing types of steam-jet and water-jet ejectors, provides a classification of ejectors, their scope. Moreover, in this paper, schemes for switching on ejectors are presented, the positive and negative aspects of each of the types of ejectors are considered. In particular, in this work, the scheme of operation of a combined heat and power plant (CHP) with the combined use of steam-jet and water-jet ejectors is considered, and an assessment is made of the modernization carried out at Ulyanovsk CHP-2, associated with an additional installation of a water-jet ejector.
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