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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">ast</journal-id><journal-title-group><journal-title xml:lang="ru">Архитектура, строительство, транспорт</journal-title><trans-title-group xml:lang="en"><trans-title>Architecture, Construction, Transport</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2782-232X</issn><issn pub-type="epub">2713-0770</issn><publisher><publisher-name>Industrial University of Tyumen</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31660/2782-232X-2025-4-50-62</article-id><article-id custom-type="edn" pub-id-type="custom">AWFLEP</article-id><article-id custom-type="elpub" pub-id-type="custom">ast-230</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>СТРОИТЕЛЬСТВО</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CONSTRUCTION</subject></subj-group></article-categories><title-group><article-title>Исследование золовых отложений на наружных поверхностях труб конвективных блоков твердотопливного котла малой мощности</article-title><trans-title-group xml:lang="en"><trans-title>Study of ash deposits on the outer surfaces of convective tubes in a low-power solid fuel boiler</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>Каштанов</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kashtanov</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Каштанов Дмитрий Иванович, аспирант кафедры теплогазоснабжения и вентиляции</p><p>Санкт-Петербург, 2-я Красноармейская ул., 4, 190005</p></bio><bio xml:lang="en"><p>Dmitriy I. Kashtanov, Postgraduate Student in the Department of Heat and Gas Supply and Ventilation</p><p>Saint-Petersburg</p></bio><email xlink:type="simple">dmitrii.kas@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный архитектурно-строительный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg State University of Architecture and Civil Engineering</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>07</day><month>01</month><year>2026</year></pub-date><volume>5</volume><issue>4</issue><fpage>50</fpage><lpage>62</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Каштанов Д.И., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Каштанов Д.И.</copyright-holder><copyright-holder xml:lang="en">Kashtanov D.I.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://ast.tyuiu.ru/jour/article/view/230">https://ast.tyuiu.ru/jour/article/view/230</self-uri><abstract><p>Приведены результаты исследования состояния золовых отложений на поверхности труб круглого поперечного сечения конвективных блоков двух водогрейных отопительных котлов КВу-1.0 (производитель – ООО «Балткотломаш», г. Санкт-Петербург) тепловой мощностью 1.0 МВт каждый при работе на длиннопламенном каменном угле с гранулометрическим составом 20–50 мм. Дано краткое описание физических свойств золовых отложений и факторов их формирования на поверхности труб во время работы котлов. По результатам натурных измерений отложений, сформировавшихся за отопительный сезон 2023–2024 г., выполнен анализ роста натрубных золовых отложений, где в виде графиков, построенных в проекции поперечного сечения конвективных труб диаметром 48 мм, представлена форма отложений золы. </p></abstract><trans-abstract xml:lang="en"><p>This study presents the results of an investigation into the state of ash deposits on the surface of circular cross-section pipes in the convective sections of two hot-water heating boilers, model KVu-1.0 (manufactured by Baltkotlomash LLC, St. Petersburg), each with a thermal capacity of 1.0 MW. The boilers were operating on long-flame coal with a granulometric composition of 20–50 mm. The physical properties of the ash deposits and the factors influencing their formation on the pipe surface during boiler operation are briefly described. Based on the results of in-situ measurements of deposits formed during the 2023–2024 heating season, the growth of tube ash deposits was analyzed. The shape of the ash deposits is presented through graphs depicting their cross-sectional projection on convective tubes with a diameter of 48 mm.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>золовые отложения</kwd><kwd>натурное обследование</kwd><kwd>конвективные пучки</kwd><kwd>сжигание угля</kwd><kwd>водогрейный отопительный котел</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ash deposits</kwd><kwd>in-situ measurements</kwd><kwd>convective beams</kwd><kwd>coal burning</kwd><kwd>hot-water heating boiler</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">Войцеховская О. 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