Medium-fired CEB - Revision history

Eric: Added an internal link

2023-05-10T01:56:50Z

Added an internal link

← Older revision		Revision as of 01:56, 10 May 2023
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	A conventional fired brick typically requires temperatures of about 900-1000°C and therefore has high [https://en.wikipedia.org/wiki/Embodied_energy embodied energy], even when an efficient system such as the [[Vertical Shaft Brick Kiln\|VSBK]] is used.		A conventional fired brick typically requires temperatures of about 900-1000°C and therefore has high [https://en.wikipedia.org/wiki/Embodied_energy embodied energy], even when an efficient system such as the [[Vertical Shaft Brick Kiln\|VSBK]] is used.

	Now if a '''CEB''' is used instead of an uncompressed (i.e. “green”) brick, how would that affect the properties of the finished brick? And could the lower temperature achieve some of the same properties of a high-fired brick? Temperatures of about 500-600°C are available as ~~“waste heat”~~ from some thermal biomass processes, such as from [[biochar]] production.		Now if a '''CEB''' is used instead of an uncompressed (i.e. “green”) brick, how would that affect the properties of the finished brick? And could the lower temperature achieve some of the same properties of a high-fired brick? Temperatures of about 500-600°C are available as “ [[Waste Heat]] ” from some thermal biomass processes, such as from [[biochar]] production.

	A brief background search did not reveal whether this had been attempted. If possible, a system similar to the [[Vertical Shaft Brick Kiln\|VSBK]] could be devised but would only have to conduct the heat, and not require an active fire inside the kiln. This could really simplify things. Such a system would have lower requirements for the lining of the kiln (firebricks). It would likely be somewhat cheaper. The largest benefit would be that waste heat could be used (co-production).		A brief background search did not reveal whether this had been attempted. If possible, a system similar to the [[Vertical Shaft Brick Kiln\|VSBK]] could be devised but would only have to conduct the heat, and not require an active fire inside the kiln. This could really simplify things. Such a system would have lower requirements for the lining of the kiln (firebricks). It would likely be somewhat cheaper. The largest benefit would be that waste heat could be used (co-production).

Rasmus: mult. typos fixed

2016-07-15T21:34:48Z

mult. typos fixed

← Older revision		Revision as of 21:34, 15 July 2016
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	Now if a '''CEB''' is used instead of an uncompressed (i.e. “green”) brick, how would that affect the properties of the finished brick? And could the lower temperature achieve some of the same properties of a high-fired brick? Temperatures of about 500-600°C are available as “waste heat” from some thermal biomass processes, such as from [[biochar]] production.		Now if a '''CEB''' is used instead of an uncompressed (i.e. “green”) brick, how would that affect the properties of the finished brick? And could the lower temperature achieve some of the same properties of a high-fired brick? Temperatures of about 500-600°C are available as “waste heat” from some thermal biomass processes, such as from [[biochar]] production.

	A brief background search did not reveal whether this had been attempted. If possible, a system similar to the [[Vertical Shaft Brick Kiln\|VSBK]] could be devised but would only have conduct the heat, and not require active ~~firing~~. This could ~~make~~ things ~~much simpler~~. Such a system would have lower requirements for the lining of the kiln. It would likely be somewhat cheaper. The largest benefit is that waste heat ~~would~~ be used (co-production).		A brief background search did not reveal whether this had been attempted. If possible, a system similar to the [[Vertical Shaft Brick Kiln\|VSBK]] could be devised but would only have to conduct the heat, and not require an active fire inside the kiln. This could really simplify things. Such a system would have lower requirements for the lining of the kiln (firebricks). It would likely be somewhat cheaper. The largest benefit would be that waste heat could be used (co-production).

	==Outlines a Research Project==		==Outlines a Research Project==
	* needed: [[Compressed Earth Blocks\|CEBs]] (should not contain any organic matter!)		* needed: [[Compressed Earth Blocks\|CEBs]] (should not contain any organic matter!)
	* “bake” at different temperatures, with different time courses (length of firing).		* “bake” at different temperatures, with different time courses (length of firing).
	* evaluate properties of bricks (~~strenght~~, durability, etc.)		* evaluate properties of bricks (microstructure, strength, durability, etc.)
	* publish findings		* publish findings

	==Related Pages==		==Related Pages==
	* [[Vertical Shaft Brick Kiln]]		* [[Vertical Shaft Brick Kiln]]
	* [[The Biochar Economy]]
	* [[Compressed Earth Blocks]]		* [[Compressed Earth Blocks]]
	* [[Kon-Tiki Kiln]]		* [[Kon-Tiki Kiln]] (as a source of waste heat)
			* [[The Biochar Economy]]

	[[Category:Housing and construction]]		[[Category:Housing and construction]]
	[[Category:Materials]]		[[Category:Materials]]

Rasmus: stylistic edits

2016-07-15T20:38:09Z

stylistic edits

← Older revision		Revision as of 20:38, 15 July 2016
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	[[Image:44_cebfab.jpg \|500px\|thumb\|Idea: fire the [[Compressed Earth Blocks\|CEB]] at low to medium temperatures for (maybe) added strength and durability. ]]		[[Image:44_cebfab.jpg \|500px\|thumb\|Idea: fire the [[Compressed Earth Blocks\|CEB]] at low to medium temperatures for (maybe) added strength and durability. ]]

	This is a rather speculative idea but if workable, could potentially have very high impact. The idea is to '''fire a [[Compressed Earth Blocks\|CEB]]'''~~, thereby~~ potentially ~~achieving~~ some of the properties of a fired brick (water resistance, stability, etc.) but at lower temperatures. Proper fired bricks require temperatures of about 900-1000°C. They therefore have high [https://en.wikipedia.org/wiki/Embodied_energy embodied energy], even when an efficient system such as the [[Vertical Shaft Brick Kiln\|VSBK]] is used. Now if a '''CEB''' is used instead of an uncompressed (i.e. “green”) brick, how would that affect the properties? And could a lower temperature achieve some of the same properties of a high-fired brick? Temperatures of about 500-600°C are available as “waste heat” from some thermal biomass uses, such as the [[biochar]] production.		This is a rather speculative idea but if workable, could potentially have very high impact. The idea is to '''fire a [[Compressed Earth Blocks\|CEB]]''' but at lower temperatures than a typical fired brick. This could potentially achieve some of the properties of a proper fired brick (water resistance, stability, etc.).

	A brief background search did not reveal whether this had been attempted. If possible, a system similar to the [[Vertical Shaft Brick Kiln\|VSBK]] could be devised but would only have conduct the heat, and not require active firing. This ~~would~~ make things much simpler.		A conventional fired brick typically requires temperatures of about 900-1000°C and therefore has high [https://en.wikipedia.org/wiki/Embodied_energy embodied energy], even when an efficient system such as the [[Vertical Shaft Brick Kiln\|VSBK]] is used.

			Now if a '''CEB''' is used instead of an uncompressed (i.e. “green”) brick, how would that affect the properties of the finished brick? And could the lower temperature achieve some of the same properties of a high-fired brick? Temperatures of about 500-600°C are available as “waste heat” from some thermal biomass processes, such as from [[biochar]] production.

			A brief background search did not reveal whether this had been attempted. If possible, a system similar to the [[Vertical Shaft Brick Kiln\|VSBK]] could be devised but would only have conduct the heat, and not require active firing. This could make things much simpler. Such a system would have lower requirements for the lining of the kiln. It would likely be somewhat cheaper. The largest benefit is that waste heat would be used (co-production).

	==Outlines a Research Project==		==Outlines a Research Project==
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	* [[The Biochar Economy]]		* [[The Biochar Economy]]
	* [[Compressed Earth Blocks]]		* [[Compressed Earth Blocks]]
			* [[Kon-Tiki Kiln]]

	[[Category:Housing and construction]]		[[Category:Housing and construction]]
	[[Category:Materials]]		[[Category:Materials]]

Rasmus: inserted images

2016-07-15T19:00:08Z

inserted images

← Older revision		Revision as of 19:00, 15 July 2016
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			[[File:Liberator_bricks.JPG\|right\|500px\|thumb\|''Fire them!'' (bricks pressed on [[The Liberator]])]]'''

			[[Image:44_cebfab.jpg \|500px\|thumb\|Idea: fire the [[Compressed Earth Blocks\|CEB]] at low to medium temperatures for (maybe) added strength and durability. ]]

	This is a rather speculative idea but if workable, could potentially have very high impact. The idea is to '''fire a [[Compressed Earth Blocks\|CEB]]''', thereby potentially achieving some of the properties of a fired brick (water resistance, stability, etc.) but at lower temperatures. Proper fired bricks require temperatures of about 900-1000°C. They therefore have high [https://en.wikipedia.org/wiki/Embodied_energy embodied energy], even when an efficient system such as the [[Vertical Shaft Brick Kiln\|VSBK]] is used. Now if a '''CEB''' is used instead of an uncompressed (i.e. “green”) brick, how would that affect the properties? And could a lower temperature achieve some of the same properties of a high-fired brick? Temperatures of about 500-600°C are available as “waste heat” from some thermal biomass uses, such as the [[biochar]] production.		This is a rather speculative idea but if workable, could potentially have very high impact. The idea is to '''fire a [[Compressed Earth Blocks\|CEB]]''', thereby potentially achieving some of the properties of a fired brick (water resistance, stability, etc.) but at lower temperatures. Proper fired bricks require temperatures of about 900-1000°C. They therefore have high [https://en.wikipedia.org/wiki/Embodied_energy embodied energy], even when an efficient system such as the [[Vertical Shaft Brick Kiln\|VSBK]] is used. Now if a '''CEB''' is used instead of an uncompressed (i.e. “green”) brick, how would that affect the properties? And could a lower temperature achieve some of the same properties of a high-fired brick? Temperatures of about 500-600°C are available as “waste heat” from some thermal biomass uses, such as the [[biochar]] production.

	A brief background search did not reveal whether this had been attempted.		A brief background search did not reveal whether this had been attempted. If possible, a system similar to the [[Vertical Shaft Brick Kiln\|VSBK]] could be devised but would only have conduct the heat, and not require active firing. This would make things much simpler.

	==Outlines a Research Project==		==Outlines a Research Project==
	* needed: [[Compressed Earth Blocks\|CEBs]] (should not contain any organic matter!)		* needed: [[Compressed Earth Blocks\|CEBs]] (should not contain any organic matter!)
	* “bake” at different temperatures, with different time courses (length of ~~baking~~).		* “bake” at different temperatures, with different time courses (length of firing).
	* evaluate properties of bricks		* evaluate properties of bricks (strenght, durability, etc.)
	* publish findings		* publish findings

Line 12:		Line 16:
	* [[Vertical Shaft Brick Kiln]]		* [[Vertical Shaft Brick Kiln]]
	* [[The Biochar Economy]]		* [[The Biochar Economy]]
			* [[Compressed Earth Blocks]]

	[[Category:Housing and construction]]		[[Category:Housing and construction]]
	[[Category:Materials]		[[Category:Materials]]

Rasmus: Created page with "This is a rather speculative idea but if workable, could potentially have very high impact. The idea is to '''fire a CEB''', thereby potentially ac..."

2016-07-15T18:52:01Z

Created page with "This is a rather speculative idea but if workable, could potentially have very high impact. The idea is to '''fire a CEB''', thereby potentially ac..."

New page

This is a rather speculative idea but if workable, could potentially have very high impact. The idea is to '''fire a [[Compressed Earth Blocks|CEB]]''', thereby potentially achieving some of the properties of a fired brick (water resistance, stability, etc.) but at lower temperatures. Proper fired bricks require temperatures of about 900-1000°C. They therefore have high [https://en.wikipedia.org/wiki/Embodied_energy embodied energy], even when an efficient system such as the [[Vertical Shaft Brick Kiln|VSBK]] is used. Now if a '''CEB''' is used instead of an uncompressed (i.e. “green”) brick, how would that affect the properties? And could a lower temperature achieve some of the same properties of a high-fired brick? Temperatures of about 500-600°C are available as “waste heat” from some thermal biomass uses, such as the [[biochar]] production.

A brief background search did not reveal whether this had been attempted.

==Outlines a Research Project==
* needed: [[Compressed Earth Blocks|CEBs]] (should not contain any organic matter!)
* “bake” at different temperatures, with different time courses (length of baking).
* evaluate properties of bricks
* publish findings

==Related Pages==
* [[Vertical Shaft Brick Kiln]]
* [[The Biochar Economy]]

[[Category:Housing and construction]]
[[Category:Materials]