Preliminary study on bricks drying process using microwave technology

Clay brick is one of the essential materials in building construction. The demand for clay brick has been increased over the years as it goes along with the rise of world population and industrial building constructions. The current state of brick manufacturing process is still very traditional wher...

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Main Author:	Bagaber, Salem Salah Abdullah
Format:	Thesis
Language:	English
Published:	2015
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.utm.my/id/eprint/53708/1/SalemSalahAbdullahBagaberMFKM2015.pdf
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spelling	my-utm-ep.537082020-09-02T02:20:20Z Preliminary study on bricks drying process using microwave technology 2015-06 Bagaber, Salem Salah Abdullah TJ Mechanical engineering and machinery Clay brick is one of the essential materials in building construction. The demand for clay brick has been increased over the years as it goes along with the rise of world population and industrial building constructions. The current state of brick manufacturing process is still very traditional where drying of clay brick takes very long time and labour intensive. Adding to this problem, uneven heating during drying and firing affect a lot to bricks quality which often cause cracks. This research aims to evaluate the effectiveness of microwave energy source against the conventional methods for drying four different types of clay bricks. Green clay samples were pressed into a slab specimen at different compositions (%clay, %water, %lime, %fly ash). Later, the green samples were dried under four different mediums (natural, hot air, electric oven and microwave). The quality of dried bricks was compared in terms of water absorption, density, and porosity. It is found that microwave heating outperforms the three conventional heating methods by drying all types of brick samples without crack. Design of experiment (DOE) was utilized to evaluate significant factors (temperature (60-70-80oC), time (6-8-10 min) and percentage of charcoal (0-3-6%)) to dry red brick samples. Responses were crack density, brick density, water absorption and moisture contents. Analysis of variance indicates that all three factors are significant. Temperature is the most influential factors among the three affecting all responses. It is found that drying bricks at 70oC succeeding without any crack generation on the samples. It is also noted that a significant faster drying rate is seen when adding various percentages of charcoal contents in brick samples. From the results obtained, it is concluded that microwave technology has a great potential to be applied as a heating source in the production of bricks. The usage of this technology is foreseen able reduce the intensive labour dependent in brick manufacturing industry and this method is able to manufacture brick in a more sustainable environment. 2015-06 Thesis http://eprints.utm.my/id/eprint/53708/ http://eprints.utm.my/id/eprint/53708/1/SalemSalahAbdullahBagaberMFKM2015.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:85033 masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Bagaber, Salem Salah Abdullah Preliminary study on bricks drying process using microwave technology
description	Clay brick is one of the essential materials in building construction. The demand for clay brick has been increased over the years as it goes along with the rise of world population and industrial building constructions. The current state of brick manufacturing process is still very traditional where drying of clay brick takes very long time and labour intensive. Adding to this problem, uneven heating during drying and firing affect a lot to bricks quality which often cause cracks. This research aims to evaluate the effectiveness of microwave energy source against the conventional methods for drying four different types of clay bricks. Green clay samples were pressed into a slab specimen at different compositions (%clay, %water, %lime, %fly ash). Later, the green samples were dried under four different mediums (natural, hot air, electric oven and microwave). The quality of dried bricks was compared in terms of water absorption, density, and porosity. It is found that microwave heating outperforms the three conventional heating methods by drying all types of brick samples without crack. Design of experiment (DOE) was utilized to evaluate significant factors (temperature (60-70-80oC), time (6-8-10 min) and percentage of charcoal (0-3-6%)) to dry red brick samples. Responses were crack density, brick density, water absorption and moisture contents. Analysis of variance indicates that all three factors are significant. Temperature is the most influential factors among the three affecting all responses. It is found that drying bricks at 70oC succeeding without any crack generation on the samples. It is also noted that a significant faster drying rate is seen when adding various percentages of charcoal contents in brick samples. From the results obtained, it is concluded that microwave technology has a great potential to be applied as a heating source in the production of bricks. The usage of this technology is foreseen able reduce the intensive labour dependent in brick manufacturing industry and this method is able to manufacture brick in a more sustainable environment.
format	Thesis
qualification_level	Master's degree
author	Bagaber, Salem Salah Abdullah
author_facet	Bagaber, Salem Salah Abdullah
author_sort	Bagaber, Salem Salah Abdullah
title	Preliminary study on bricks drying process using microwave technology
title_short	Preliminary study on bricks drying process using microwave technology
title_full	Preliminary study on bricks drying process using microwave technology
title_fullStr	Preliminary study on bricks drying process using microwave technology
title_full_unstemmed	Preliminary study on bricks drying process using microwave technology
title_sort	preliminary study on bricks drying process using microwave technology
granting_institution	Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department	Faculty of Mechanical Engineering
publishDate	2015
url	http://eprints.utm.my/id/eprint/53708/1/SalemSalahAbdullahBagaberMFKM2015.pdf
_version_	1747817617965449216

Preliminary study on bricks drying process using microwave technology

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