Abstract

Analysis of a heat transfer process for construction of solid fuel heating boiler equipped with additional afterburning chamber is presented. Analyzed construction of the heating device is intended for shouse heating and preparation of hot utility water. A heat exchanger in the analyzed boiler is composed of vertical tubes divided into three boiler draughts. Afterburning chamber connects main combusting chamber of the heating boiler with second and third boiler draught. The aim of this analysis is to identify the character of heat transfer through the heating boiler

Highlights

  • Low power heating boilers are very often used in domestic applications for heating and preparation of hot water for sanitary purposes

  • Authors of the paper are doing research connected with the improvement of solid fuel combustion in the domestic including emission of the combustion process and efficiency of the heat transfer

  • Numerical calculations prepared for a heating boiler supplied with afterburning chamber allows for showing a character of a flow of flue gas through the heating device

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Summary

Introduction

Low power heating boilers are very often used in domestic applications for heating and preparation of hot water for sanitary purposes. Heating systems based on solid fuels are very popular in Polish households. Authors of the paper are doing research connected with the improvement of solid fuel combustion in the domestic including emission of the combustion process and efficiency of the heat transfer. An object of research is a construction of low power heating boiler with the additional afterburning chamber. This construction cooperates with an automatic coal feeder. Nowadays production of low power heating boilers in Poland with a manual system of fuel supplying is not allowed [6]. Heating boilers supplied with automatic burners allows to achieve levels of emission complies with the present legal regulations [7]. Analyzed construction of heating boiler is presented in figure 1

Modeling
Models used in numerical calculations
Results
Summary

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