Study of clean combustion of wood in a stove-fireplace with accumulation

Sornek, Krzysztof; Filipowicz, M.; Rzepka, Kamila

doi:10.1016/j.joei.2016.05.001

Cited by 25 publications

(9 citation statements)

References 9 publications

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“…The use of biomass potential for heating purposes in the municipal and housing sector should include not only compacted biomass fuel, but also biomass fuels with low heating value and bulk density as well as waste biomass generated during the production of high calorific value food [4][5][6][7][8][9], based on effective and low emission fuel power units suitable for small scale applications (individual farms and district heating networks) [10].…”

Section: Introductionmentioning

confidence: 99%

Chemical Characteristics of Biomass Ashes

et al. 2018

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The aim of the conducted research was to obtain information on the main components of ashes from 35 biomass species used in combustion processes to obtain reference data for the development of utility possibilities for these ashes, with particular emphasis on agricultural use. The examined biomass samples were divided into groups depending on origin: woody biomass and energetic woody plants I-WWB, herbaceous and grassy energy plants II-EC, agricultural waste III-AR, forest waste IV-FR and waste from the agri-food industry V-AFIW. The analysis of the studied elements contents was carried out in the designated groups. The chemical composition of ash was dominated by the macroelements Ca, K, P and S, which suggests the possibility of their agricultural use. At the same time, the low content of toxic elements such as As and Pb should not be a limiting feature in their use, with the exception of wood biomass. In addition, ashes obtained from the biomass combustion were enriched with microelements such as Zn, Cu and Mn, which further increases their possibilities of fertilizer use. The potential use of ash from each type of biomass in the aspect of its chemical composition should be considered individually, regardless of the division into groups depending on the origin of biomass.

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Section: Introductionmentioning

confidence: 99%

Chemical Characteristics of Biomass Ashes

et al. 2018

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“…The stove shape was set as a square for the easier ramming process and formwork limitations. The geometry of the fuel bed was optimised according to suggestions by [6,7], by distributing the cold air flow through six vents and two surface sections. Despite the moisture content and curing time, only the surface of the stove layers had the moisture content below 5 % which could cause heat loss in convection and the physical deterioration of the stove.…”

Section: Resultsmentioning

confidence: 99%

Accumulation of residual energy of an experimental stove after burning

Stone

Dráb²,

Vranay³

2017

ChemTech

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Engineers, architects and designers increasingly rely on mathematical constructs incorporated into civil engineering programs to explain physical and mechanical phenomena. A low thermal diffusivity represents a material's ability to slow down the rate of heat transfer due to heat absorption and storage, so that high thermal masses are desirable. The thermal inertia of the earth structures in general is an under-researched topic, especially regarding their unique ability to delay and attenuate temperature responses. The paper uses a high temperature difference example, in the form of an experimental stove, to highlight the benefits of a thermal mass. Countries such as Austria, the Czech Republic and Slovakia are known for their ornate historical masonry stoves that grace many stately houses, castles and palaces. They were stoked once or twice daily and radiated heat constantly during the winter months. This guild developed and thrived until the advent of modern HVAC systems in the 20th century. The paper sets out to monitor the temperature difference produced by stoking and firing a simplified experimental stove and analyses the decrease in temperature until it approaches a fixed room temperature. Temperature and heat flux are then observed to determine the total residual heat energy after burning, and the results are discussed in the conclusion. Inspired by these sound principles, based on lessons from the vernacular building traditions that have been used for centuries, the output of this work could be used in future to design an appropriate amount of the thermal mass to maximize thermal efficiency in fireplaces and stoves and as a precedent for a synergetic combination of the thermal mass and renewable energy sources.

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“…Heat produced during wood combustion is stored in the accumulative heat exchanger and dissipated up to 12 hours after the fire has died out. As a result, the thermal efficiency of SFA is high and close to 90% [12,13]. The idea of such device was shown in Fig.…”

Section: Experimental Rigmentioning

confidence: 99%

A study of selected aspects of the operation of thermoelectric generator incorporated in a biomass-fired stove

Sornek

2016

E3S Web Conf.

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Abstract. High demands in the field of energy efficiency and clean combustion make it necessary to looking for the new developments in the field of stoves, fireplaces and stove-fireplaces with accumulation. An interesting idea is to use the thermoelectric modules, which receive a heat from flue gas and convert it to the electricity. Electricity generated in this way may be used to power combustion optimizers and other components. This paper shows results of studied carried out to determine the possibility of combined heat and power generation using the stove-fireplace with accumulation. Thermoelectric generator with maximum hot side temperature at a level of 150°C was placed on the surface of the exchanger. Cooling down was realized using the dedicated water exchanger as well as the heat sink without and with an air fan. The experimental results allowed to define the effect of the different cooling systems on the output TEG voltage. Moreover, dependence of the current-voltage characteristics and generated power from the temperature was obtained.

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Study of clean combustion of wood in a stove-fireplace with accumulation

Cited by 25 publications

References 9 publications

Chemical Characteristics of Biomass Ashes

Chemical Characteristics of Biomass Ashes

Accumulation of residual energy of an experimental stove after burning

A study of selected aspects of the operation of thermoelectric generator incorporated in a biomass-fired stove

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