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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">alternative</journal-id><journal-title-group><journal-title xml:lang="ru">Альтернативная энергетика и экология (ISJAEE)</journal-title><trans-title-group xml:lang="en"><trans-title>Alternative Energy and Ecology (ISJAEE)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1608-8298</issn><publisher><publisher-name>Международный издательский дом научной периодики "Спейс</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15518/isjaee.2021.09.182-190</article-id><article-id custom-type="elpub" pub-id-type="custom">alternative-2114</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЭНЕРГОСБЕРЕЖЕНИЕ. ЭНЕРГОСБЕРЕГАЮЩИЕ ТЕХНОЛОГИИ, СИСТЕМЫ, МАТЕРИАЛЫ И ПРИБОРЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ENERGY SAVING. ENERGY SAVING TECHNOLOGIES, MATERIALS, SYSTEMS, AND INSTRUMENTS</subject></subj-group></article-categories><title-group><article-title>Возможности применения термоэлектрических генераторов для повышения энергетической эффективности цементной промышленности Узбекистана</article-title><trans-title-group xml:lang="en"><trans-title>Possibilities of application of thermoelectric generators for increasing the energy efficiency cement industry of Uzbekistan</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абдурахманов</surname><given-names>Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Abdurakhmanov</surname><given-names>G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Абдурахманов Гулмурза, Доктор физ.-мат. наук, профессор</p><p>тел: +998935565714</p><p>Узбекистан 100174, Ташкент, улица Университетская, д. 4</p></bio><bio xml:lang="en"><p>Gulmurza Abdurakhmanov, DSc in physics and mathematics, professor</p><p>ph.: +998935565714</p><p>University St., Tashkent 100174 Uzbekistan</p></bio><email xlink:type="simple">gulmirzo@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Есбергенова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Esbergenova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Есбергенова Амугуль Сатбаевна, Старший научный сотрудник</p><p>тел: +998909542618</p><p>Узбекистан 100174, Ташкент, улица Университетская, д. 4</p></bio><bio xml:lang="en"><p>Amugul S. Esbergenova, Senior re-search scientist</p><p>ph.: +998909542618</p><p>University St., Tashkent 100174 Uzbekistan</p></bio><email xlink:type="simple">amugul@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный университет Узбекистана имени Мирзо Улугбека</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>National University of Uzbekistan named after Mirzo Ulugbek</institution><country>Uzbekistan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>02</day><month>04</month><year>2022</year></pub-date><volume>0</volume><issue>25-27</issue><fpage>182</fpage><lpage>190</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Международный издательский дом научной периодики "Спейс, 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Международный издательский дом научной периодики "Спейс</copyright-holder><copyright-holder xml:lang="en">Международный издательский дом научной периодики "Спейс</copyright-holder><license xlink:href="https://www.isjaee.com/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.isjaee.com/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.isjaee.com/jour/article/view/2114">https://www.isjaee.com/jour/article/view/2114</self-uri><abstract><p>Оценен объем бросового тепла цементных заводов Узбекистана и выяснено, что он составляет более 6,8 млрд. кВт∙час в год.</p><p>Изучены способы и устройства для преобразования бросового тепла в электричество на цементных заводах, их достоинства и недостатки. Выяснено, что для этих целей наиболее подходящими являются термоэлектрический генератор (ТЭГ). Показано, что существующими способами (установки ОЦР, ТЭГ с КПД около 20 %) из бросового тепла цементных заводов можно получить до 1,47 млрд. кВт∙час электроэнергии в год, удовлетворяя потребность этих заводов в электроэнергии, экономя топливо и снижая энергетическое загрязнение окружающей среды.</p><p>Достигнутые в новых материалах значения безразмерной термоэлектрической добротности ZT = 3,6 и 5-6 показывают, что ТЭГ уже становится не только конкурентоспособным против традиционных электромеханических устройств, но и может превзойти их в долговечности, снижении объема технического обслуживания и ремонта, дешево и эффективно преобразуя бросовое тепло, экономя топливо и содействуя улучшению экологии.</p><p>Изучен состав минералов Узбекистана в качестве сырья для дешевых, безопасных и достаточно эффективных термоэлектрических материалов. Установлено, что имеется ряд месторождений минералов, перспективных для этих целей, но их термоэлектрические свойства не исследованы.</p></abstract><trans-abstract xml:lang="en"><p>The volume of waste heat from cement plants in Uzbekistan has been estimated and it has been found that it is more than 6.8 billion kWh per year.</p><p>Methods and devices for converting waste heat into electricity at cement plants, their advantages and disadvantages have been studied. It was found that a thermoelectric generator (TEG) is the most suitable for these purposes. It is shown that the existing methods (ORC, TEG with an efficiency of about 20%) from the waste heat of cement plants can produce up to 1.47 billion kWh of electricity per year, satisfying the needs of these plants for electricity, saving fuel and reducing energy pollution of the environment.</p><p>The values of the dimensionless thermoelectric figure of merit ZT = 3.6 and 5-6 achieved in new materials show that TEG is already becoming not only competitive against traditional electromechanical devices, but can also surpass them in durability, reducing the volume of maintenance and repair, cheaply and effectively converting waste heat, saving fuel and contributing to a better environment.</p><p>The composition of minerals in Uzbekistan has been studied as raw materials for cheap, safe and sufficiently effective thermoelectric materials. It has been established that there are a number of mineral deposits that are promising for these purposes, but their thermoelectric properties have not been studied.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>энергетическая эффективность</kwd><kwd>прямое преобразование тепла в электричество</kwd><kwd>бросовое тепло</kwd><kwd>термоэлектрические генераторы</kwd><kwd>цементная промышленность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>energy efficiency</kwd><kwd>direct conversion of heat to electricity</kwd><kwd>waste heat</kwd><kwd>thermoelectric generators</kwd><kwd>cements industry</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Стратегия действий по пяти приоритетным направлениям развития Республики Узбекистан в 2017—2021 годах. 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