ЧИСЛЕННОЕ ИССЛЕДОВАНИЕ ВЛИЯНИЯ ИЗБЫТКА ПЕРВИЧНОГО ВОЗДУХА НА ПРОЦЕССЫ ГОРЕНИЯ В ТОПОЧНОЙ КАМЕРЕ ЭНЕРГЕТИЧЕСКОГО КОТЛА С МНОГОКАНАЛЬНЫМИ ВИХРЕВЫМИ ГОРЕЛКАМИ

Translated title of the contribution: Numerical study of effect of primary air excess on combustion in a furnace chamber of a utility boiler with multi-channel swirl burners

Andrey V. Gil, Alexander S. Zavorin, Oleg M. Koksharev, Elena S. Vorontsova

Research output: Contribution to journalArticlepeer-review

Abstract

The relevance. It is necessary to find optimal solutions for organizing the combustion of polyfractional pulverized coal fuel, taking into account the reduction of emissions of harmful substances, in particular nitrogen oxides, at existing and new thermal power plants. Currently, the problem of increasing the environmental parameters of thermal power plants in Russia is very acute, since most of the existing plants do not meet modern environmental standards and requirements. The aim of the research is to determine the impact of the organization of solid fuel combustion using low-emission burners with possible modernization on combustion and to assess the possibility of efficient combustion by increasing the rate of primary air. Object: furnace chamber of the power boiler in the design version and with the replacement of the design burners with low-emission ones. Method. The numerical study was performed using the Ansys Fluent V.12.1 software package, mathematical modeling of physical and chemical processes - in a furnace chamber based on Euler-Lagrangian approaches. Result. A mathematical model is developed based on a package of application programs with a qualitative representation of complex physical and chemical processes in the volume of the furnace chamber. The estimation of the possibility of organizing the burning of Ekibastuz coal in low-emission burners with the optimal ratio of primary and secondary air without changing the installation angles of the blade swirlers is given.

Translated title of the contributionNumerical study of effect of primary air excess on combustion in a furnace chamber of a utility boiler with multi-channel swirl burners
Original languageRussian
Pages (from-to)18-27
Number of pages10
JournalBulletin of the Tomsk Polytechnic University, Geo Assets Engineering
Volume331
Issue number9
DOIs
Publication statusPublished - 2020

ASJC Scopus subject areas

  • Materials Science (miscellaneous)
  • Fuel Technology
  • Geotechnical Engineering and Engineering Geology
  • Waste Management and Disposal
  • Economic Geology
  • Management, Monitoring, Policy and Law

Fingerprint Dive into the research topics of 'Numerical study of effect of primary air excess on combustion in a furnace chamber of a utility boiler with multi-channel swirl burners'. Together they form a unique fingerprint.

Cite this