{"id":3521,"date":"2025-08-06T13:29:19","date_gmt":"2025-08-06T12:29:19","guid":{"rendered":"https:\/\/izvestiyakbncran.ru\/?page_id=3521"},"modified":"2026-04-13T09:59:28","modified_gmt":"2026-04-13T08:59:28","slug":"27-3-5-en","status":"publish","type":"page","link":"https:\/\/izvestiyakbncran.ru\/index.php\/en\/27-3-5-en\/","title":{"rendered":"27.3.5 En"},"content":{"rendered":"\n

Simulation modeling of black liquor combustion subsystem in a recovery boiler furnace<\/strong><\/h1>\n\n\n\n

D.A. Kovalev<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/p>\n\n\n\n

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Upload the full text<\/strong><\/strong><\/p>\n\n\n\n

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Abstract<\/strong>.<\/strong> <\/em>A simulation model of the subsystem for black liquor burning in the recovery boiler furnace has been developed to effectively address problem of obtaining target products resulted from black liquor combustion \u2013 sodium carbonate and sodium sulfide. The model developed enables the following processes to be simulated: black liquor combustion: to study influence of black liquor composition, air flow rate, temperature and other factors on the recovery boiler efficiency; sodium sulfate reduction: to study the influence of temperature, gas composition and carbon content on the rate of sodium sulfate reduction to sodium sulfide in the recovery boiler. Application of the simulation model allows optimizing the combustion process, minimizing pollutants emitted into the air, diminishing the use of resources and the generation of waste, and increasing the overall efficiency of the regenerative cycle.<\/p>\n\n\n\n

Keywords<\/strong>:<\/strong> <\/em>recovery boiler, simulation model of recovery boiler, black liquor combustion subsystem, pyrolysis zone, oxidation zone<\/p>\n\n\n\n

For citation<\/strong>.<\/strong> Kovalev D.A. Simulation modeling of black liquor combustion subsystem in a recovery boiler furnace. News of the Kabardino-Balkarian Scientific Center of RAS.<\/em> 2025. Vol. 27. No. 3. Pp. 73\u201387. DOI: 10.35330\/1991-6639-2025-27-3-73-87<\/p>\n\n\n\n

R<\/strong>eferences<\/summary>\n
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  12. Novikova M.A., Kovalev D.A. Modeling the process of black liquor combustion in the furnace of a soda recovery boiler. Izvestiya Sankt-Peterburgskogo gosudarstvennogo tekhnologicheskogo instituta (tekhnicheskogo universiteta) [Bulletin of the St. Petersburg State Technological Institute (Technical University)]. 2024. Vol. 68. No. 94. Pp. 106\u2013109. DOI: 10.36807\/1998-9849-2024-68-94-106-109. EDN: DKNRXR. (In Russian)<\/li>\n\n\n\n
  13. Kovalev D.A., Kurkina V.V., Rusinov L.A. Modeling the degree of sodium sulfate reduction in the melt for the process of burning black liquor in the furnace of a soda recovery boiler. Vserossiyskaya nauchnaya konferentsiya po problemam upravleniya v tekhnicheskikh sistemakh [All-Russian Scientific Conference on Control Problems in Technical Systems]. 2023. Vol. 1. Pp. 69\u201372. EDN: YWDMNH. (In Russian)<\/li>\n\n\n\n
  14. Kovalev D.A. Decomposition of a soda recovery boiler unit as a complex control object. Izvestiya Tul’skogo gosudarstvennogo universiteta. Tekhnicheskiye nauki [Bulletin of Tula State University. Technical sciences]. 2025. No. 2. P. 566\u2013577. DOI: 10.24412\/2071-6168-2025-2-566-567. EDN: XSGIZB. (In Russian)<\/li>\n<\/ol>\n<\/details>\n\n\n\n
    Information about the author<\/strong><\/summary>\n
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    Dmitriy A. Kovalev<\/strong>, Candidate of Technical Sciences, Associate Professor, Head of the Department
    of Automation of technological processes and productions, Higher School of Technology and Power
    Engineering, Saint Petersburg State University of Industrial Technology and Design;
    198095, Russia, Saint Petersburg, 4 Ivan Chernykh street;
    d.a.kovalyov@yandex.ru, ORCID: https:\/\/orcid.org\/0000-0002-0668-8593, SPIN-code: 3884-5685<\/p>\n\n\n\n

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    Simulation modeling of black liquor combustion subsystem in a recovery boiler furnace D.A. Kovalev Upload the full text Abstract. A simulation model of the subsystem for black liquor burning in the recovery boiler furnace has been developed to effectively address problem of obtaining target products resulted from black liquor combustion \u2013 sodium carbonate and sodium […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"wp-custom-template-home","meta":{"footnotes":""},"class_list":["post-3521","page","type-page","status-publish","hentry"],"yoast_head":"\n27.3.5 En - \u0418\u0417\u0412\u0415\u0421\u0422\u0418\u042f \u041a\u0410\u0411\u0410\u0420\u0414\u0418\u041d\u041e-\u0411\u0410\u041b\u041a\u0410\u0420\u0421\u041a\u041e\u0413\u041e \u041d\u0410\u0423\u0427\u041d\u041e\u0413\u041e \u0426\u0415\u041d\u0422\u0420\u0410 \u0420\u0410\u041d\u00bb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/izvestiyakbncran.ru\/index.php\/en\/27-3-5-en\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"27.3.5 En - \u0418\u0417\u0412\u0415\u0421\u0422\u0418\u042f \u041a\u0410\u0411\u0410\u0420\u0414\u0418\u041d\u041e-\u0411\u0410\u041b\u041a\u0410\u0420\u0421\u041a\u041e\u0413\u041e \u041d\u0410\u0423\u0427\u041d\u041e\u0413\u041e \u0426\u0415\u041d\u0422\u0420\u0410 \u0420\u0410\u041d\u00bb\" \/>\n<meta property=\"og:description\" content=\"Simulation modeling of black liquor combustion subsystem in a recovery boiler furnace D.A. 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Kovalev Upload the full text Abstract. 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