Investigation of the possibilities for energy economy in continuous dryers through reduction of the drying time

Penkova, Nina; Mladenov, Boian

doi:10.1051/e3sconf/202020701011

Cited by 2 publications

(1 citation statement)

References 2 publications

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“…Therefore, research into the thermal characteristics of construction materials is a step forward in the production of unbacked clay-based bricks with binders from waste raw materials. The addition of waste raw materials from plant agricultural crops to unbaked bricks leads to an improvement of their thermophysical properties [9][10].…”

Section: Introductionmentioning

confidence: 99%

Thermal characteristics analyses of clay bricks with wheat straw additives

Zlateva

2023

IOP Conf. Ser.: Earth Environ. Sci.

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The production technology of the environmentally polluting baked bricks suggests that they can be replaced by bricks that are produced in an ecologically clean environment, such as the unbaked ones. In the present research work, different brick samples were made and studied, built with clay, sand and agricultural waste raw materials. With the development of the construction industry and increasing environmental requirements, research studies in the field continue to improve the thermal characteristics of the new construction materials. Thus, in the presented work bricks were made, which are a mixture of yellow clay and sand with added 5, 10, 15 and 20% wheat straw. The finished bricks are 0.35/0.08/0.17 m in size. Then, non-destructive measurements were carried out and thermal conductivity coefficient (k), specific heat capacity (Cp), thermal diffusivity (a) and density (ρ) were determined. The results of the measurements show that as the amount of wheat straw increases, the thermal characteristics of the samples improve. Finally, it is proved that the use of unbacked bricks from local clays and the utilization of binders from agricultural waste raw materials, will help to improve the energy performance of the produced environmentally friendly and economically beneficial structural building materials.

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Section: Introductionmentioning

confidence: 99%

Thermal characteristics analyses of clay bricks with wheat straw additives

Zlateva

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Research of the energy parameters of the most demanded wood biomass pellets on Bulgarian market

Murzova,

Zlateva

2023

IOP Conf. Ser.: Earth Environ. Sci.

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The following research focuses on exploring the energy parameters of the most demanded wood biomass pellets on the Bulgarian market. To assess the accuracy and reliability of the information provided on the packaging of wood pellets, a comparative analysis was conducted. The initial step involved conducting experimental tests to determine the energy characteristics of the most demanded brands of waste wood raw materials, as reported by the surveyed customers. These parameters included diameter, calorific value, ash content, and moisture content. By comparing the data obtained from the experiments with the information stated on the packaging, it was observed that all analysed parameters met the requirements outlined in the ENplus quality certificate. Additionally, the results confirmed that the wood pellets belonged to class A1, indicating their high quality and adherence to the specified standards.

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Investigation of the possibilities for energy economy in continuous dryers through reduction of the drying time

Cited by 2 publications

References 2 publications

Thermal characteristics analyses of clay bricks with wheat straw additives

Thermal characteristics analyses of clay bricks with wheat straw additives

Research of the energy parameters of the most demanded wood biomass pellets on Bulgarian market

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