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Article

  • Title

    Influence of acidification of circulating water on differential distribution of dispersed phase

  • Authors

    Gulyaenko Oleksandr B.
    Chichenin Vadym V.
    Ahrameev Vitaliy G.

  • Subject

    ENERGETICS. HEAT ENGINEERING. ELECTRICAL ENGINEERING

  • Year 2015
    Issue 2(46)
    UDC 621.182.12:628.16.094.3
    DOI 10.15276/opu.2.46.2015.14
    Pages 75-78
  • Abstract

    The paper analyzes the connection between processing technologies of circulating water cooling tower and coagulation-aggregation properties of colloidal particles of the dispersed phase. In circulating water cooling tower when clarifying additional water the reduction of HCO3- and CO32- concentrations happens with corresponding pH increase. Absorption of atmospheric carbon dioxide by cooling tower circulating water offsets this increase. The estimation of the probability of adhesion to the surface of the dispersed phase, distributed in the volume of circulation water, and the heat exchange surface of the condenser for different degrees of evaporation of the coolant is made. The distribution of cooling water microdisperse particles which are adsorbed on the heat exchange surfaces of the condenser (deposit formation) and on the surface of larger particles (particle aggregation) reflects the efficiency of applied water treatment technology. It is shown that acidification of additional water facilitates solution of most fine fractions and increases hardness of treated water.

  • Keywords circulating water, additional water, reverse cooling system
  • Viewed: 665 Dowloaded: 4
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  • References

    Література
    1.    Кишневский, В.А. Отложение накипеобразователей в оборотных системах охлаждения / В.А. Кишневский, В.И. Ковальчук, А.В. Наумов // Пр. Одес. політехн. ун-ту. — 2006. — Вип. 1(25). — С. 69—71.
    2.    Исследование дисперсного состава и характеристик твердофазных частиц в циркуляционной воде оборотных систем охлаждения / А.Б. Гуляенко, Е.В. Кишневский, О.М. Малиновский, В.Ф. Очков // Пр. Одес. політехн. ун-ту. — 2010. — Вип. 1-2. — С. 70—75.
    3.    Чиченин, В.В. Кинетические этапы формирования шламовых частиц в известкованной воде / В.В. Чиченин, И.Л. Козлов, А.Б. Гуляенко // Вісн. Одес. держ. акад. буд-ва та архітектури. — 2011. — Вип. 42. — С. 78—84.

    References
    1.    Kishnevsky, V.A., Kovalchuk, V.I. and Naumov, A.V. (2006). Scale deposit in circulation cooling systems. Odes’kyi Politechnichnyi Universytet. Pratsi, 1, 69—71.
    2.    Guliayenko, A.B., Kishnevsky, Е.V., Maleenovsky, О.M. and Ochkov, V.F. (2010). Research of dispersion composition and characteristics of solid-phase particles in circulation water of the circulating systems of cooling. Odes’kyi Politechnichnyi Universytet. Pratsi, 1-2, 70—75.
    3.    Chichenin, V.V., I.L. Kozlov and Gulyaenko, A.B. (2011). Kinetic phases of formation of slurry particles in lime-water. Herald of Odessa State Academy of Civil Engineering and Architecture, 42, 78—84.

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