Steam Weeder - Revision history

Eric: Fixed a Redirect

2020-12-08T06:50:35Z

Fixed a Redirect

← Older revision		Revision as of 06:50, 8 December 2020
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	#REDIRECT [[~~Flame~~ Weeding]]		#REDIRECT [[Steam Weeding]]

Eric: Created a redirect to a similarly named page

2020-12-08T06:47:01Z

Created a redirect to a similarly named page

← Older revision		Revision as of 06:47, 8 December 2020
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	~~{{Category=Farm equipment}}~~		#REDIRECT [[Flame Weeding]]

	[[~~File:large_TLUD_Rob.jpg\|400px\|thumb\|right\|Large TLUD gasifier, built by Rob Diermair, [http://biocharontario.ca/ Biochar Ontario].]]~~
	~~Industrial Agriculture relies heavily on pesticides and toxic chemicals that, while effective at controlling weeds, have a variety of drawbacks.~~

	Traditionally, organic agriculture has relied on tillage or cover cropping for weed control. While these methods avoid the use herbicides, they have their downsides. Tillage can damage soil life and structure, resulting in a loss of valuable nutrients and organic matter. Cover crops may attract pests, delay ripening and compete with cash crops for nutrients and water. Flame ~~weeders have been used with success, but often rely on propane gas from fossil sources.~~

	Enter the pyrolysis-powered steam weeder, which puts out [http://en.wikipedia.org/wiki/Superheated_steam superheated steam] to kill weeds. This device can use all kinds of dry biomass for fuel. Pelletized biomass such as wood pellets should work well. Pyrolysis releases heat which turns water into steam. The saturated steam from boiling water runs through a copper coil which is externally heated in the pyrolysis unit, creating the superheated steam. [[Biochar]] ~~is generated as a byproduct, making the process carbon-negative.~~

	~~==Components==~~
	* a biomass [[gasifier]] - heat generation core
	* boiler for water
	* copper coil
	* small electric fan for air flow to the TLUD
	* an [[Arduino]] that controls the fan, thereby controlling temperature in the TLUD

	~~==Uses==~~
	* (organic) weeding
	* against invasive species
	* biomass drying, even [http://en.wikipedia.org/wiki/Torrefaction torrefaction] - generating more fuel right where it's needed.
	* possibly for [http://en.wikipedia.org/wiki/Soil_steam_sterilization soil sterilization], but will need modifications

	~~==Links==~~
	* [http://www.soil-steaming-steam-boiler-blog.com/ Soil Steaming Blog]
	* [http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00733.x/abstract paper: A direct-fired steam weeder]
	* [[Food_Drying_with_Superheated_Steam\|"food drying with superheated steam"]]
	* [http://en.wikipedia.org/wiki/Soil_steam_sterilization Wikipedia: Soil Steam Sterilization]
	* [http://www.physicalweeding.com/information/flame-vs-steam.html Flame vs. Steam]
	* [https://www.youtube.com/embed//YmAUBmPdL6k Green Steam]

Rasmus: stylistic edits

2016-02-28T17:56:59Z

stylistic edits

← Older revision		Revision as of 17:56, 28 February 2016
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	[[File:large_TLUD_Rob.jpg\|400px\|thumb\|right\|Large TLUD gasifier, built by Rob Diermair, [http://biocharontario.ca/ Biochar Ontario].]]		[[File:large_TLUD_Rob.jpg\|400px\|thumb\|right\|Large TLUD gasifier, built by Rob Diermair, [http://biocharontario.ca/ Biochar Ontario].]]
	Industrial Agriculture relies heavily on pesticides and toxic chemicals that, while effective at controlling weeds, have a variety of ~~very nasty~~ drawbacks.		Industrial Agriculture relies heavily on pesticides and toxic chemicals that, while effective at controlling weeds, have a variety of drawbacks.

	Traditionally, organic agriculture has relied on tillage or cover cropping for weed control. While these methods avoid the use herbicides, they have their ~~drawbacks~~. Tillage can damage soil life and structure, resulting in a loss of valuable nutrients and organic matter. Cover crops may attract pests, delay ripening and compete with cash crops for nutrients and water. Flame weeders have been used with success, but often rely on propane gas from fossil sources.		Traditionally, organic agriculture has relied on tillage or cover cropping for weed control. While these methods avoid the use herbicides, they have their downsides. Tillage can damage soil life and structure, resulting in a loss of valuable nutrients and organic matter. Cover crops may attract pests, delay ripening and compete with cash crops for nutrients and water. Flame weeders have been used with success, but often rely on propane gas from fossil sources.

	Enter the pyrolysis-powered steam weeder, which puts out [http://en.wikipedia.org/wiki/Superheated_steam superheated steam] to kill weeds. This device can use all kinds of dry biomass for fuel. Pelletized biomass such as wood pellets should work well. Pyrolysis releases heat which turns water into steam. The saturated steam from boiling water runs through a copper coil which is externally heated in the pyrolysis unit, creating the superheated steam. [[Biochar]] is generated as a ~~by-product~~, making the process carbon-negative.		Enter the pyrolysis-powered steam weeder, which puts out [http://en.wikipedia.org/wiki/Superheated_steam superheated steam] to kill weeds. This device can use all kinds of dry biomass for fuel. Pelletized biomass such as wood pellets should work well. Pyrolysis releases heat which turns water into steam. The saturated steam from boiling water runs through a copper coil which is externally heated in the pyrolysis unit, creating the superheated steam. [[Biochar]] is generated as a byproduct, making the process carbon-negative.

	==Components==		==Components==

Chris F: /* Links */

2011-09-04T22:12:15Z

Links

← Older revision		Revision as of 22:12, 4 September 2011
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	* possibly for [http://en.wikipedia.org/wiki/Soil_steam_sterilization soil sterilization], but will need modifications		* possibly for [http://en.wikipedia.org/wiki/Soil_steam_sterilization soil sterilization], but will need modifications

	==Links==		==Links==
	* ~~paper~~: [http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00733.x/abstract A direct-fired steam weeder]		* [http://www.soil-steaming-steam-boiler-blog.com/ Soil Steaming Blog]
	* ~~related internal page:~~ [[Food_Drying_with_Superheated_Steam\|"food drying with superheated steam"]]		* [http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00733.x/abstract paper: A direct-fired steam weeder]
			* [[Food_Drying_with_Superheated_Steam\|"food drying with superheated steam"]]
	* [http://en.wikipedia.org/wiki/Soil_steam_sterilization Wikipedia: Soil Steam Sterilization]		* [http://en.wikipedia.org/wiki/Soil_steam_sterilization Wikipedia: Soil Steam Sterilization]
	* [http://www.physicalweeding.com/information/flame-vs-steam.html Flame vs. Steam]		* [http://www.physicalweeding.com/information/flame-vs-steam.html Flame vs. Steam]
	* [https://www.youtube.com/embed//YmAUBmPdL6k Green Steam]		* [https://www.youtube.com/embed//YmAUBmPdL6k Green Steam]

Chris F at 22:11, 4 September 2011

2011-09-04T22:11:28Z

← Older revision		Revision as of 22:11, 4 September 2011
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	Enter the pyrolysis-powered steam weeder, which puts out [http://en.wikipedia.org/wiki/Superheated_steam superheated steam] to kill weeds. This device can use all kinds of dry biomass for fuel. Pelletized biomass such as wood pellets should work well. Pyrolysis releases heat which turns water into steam. The saturated steam from boiling water runs through a copper coil which is externally heated in the pyrolysis unit, creating the superheated steam. [[Biochar]] is generated as a by-product, making the process carbon-negative.		Enter the pyrolysis-powered steam weeder, which puts out [http://en.wikipedia.org/wiki/Superheated_steam superheated steam] to kill weeds. This device can use all kinds of dry biomass for fuel. Pelletized biomass such as wood pellets should work well. Pyrolysis releases heat which turns water into steam. The saturated steam from boiling water runs through a copper coil which is externally heated in the pyrolysis unit, creating the superheated steam. [[Biochar]] is generated as a by-product, making the process carbon-negative.

	~~<iframe width="560" height="345" src="https://www.youtube.com/embed//YmAUBmPdL6k" frameborder="0" allowfullscreen></iframe>~~

	==Components==		==Components==
	* a biomass [[gasifier]] - heat generation core		* a biomass [[gasifier]] - heat generation core
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	* [http://en.wikipedia.org/wiki/Soil_steam_sterilization Wikipedia: Soil Steam Sterilization]		* [http://en.wikipedia.org/wiki/Soil_steam_sterilization Wikipedia: Soil Steam Sterilization]
	* [http://www.physicalweeding.com/information/flame-vs-steam.html Flame vs. Steam]		* [http://www.physicalweeding.com/information/flame-vs-steam.html Flame vs. Steam]
			* [https://www.youtube.com/embed//YmAUBmPdL6k Green Steam]

Chris F at 22:10, 4 September 2011

2011-09-04T22:10:23Z

← Older revision		Revision as of 22:10, 4 September 2011
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	[[File:large_TLUD_Rob.jpg\|400px\|thumb\|right\|Large TLUD gasifier, built by Rob Diermair, [http://biocharontario.ca/ Biochar Ontario].]]		[[File:large_TLUD_Rob.jpg\|400px\|thumb\|right\|Large TLUD gasifier, built by Rob Diermair, [http://biocharontario.ca/ Biochar Ontario].]]
			Industrial Agriculture relies heavily on pesticides and toxic chemicals that, while effective at controlling weeds, have a variety of very nasty drawbacks.

	Traditionally, organic agriculture has relied on tillage or cover cropping for weed control. While these methods avoid the use herbicides, they have their drawbacks. Tillage can damage soil life and structure, resulting in a loss of valuable nutrients and organic matter. Cover crops may attract pests, delay ripening and compete with cash crops for nutrients and water. Flame weeders have been used with success, but often rely on propane gas from fossil sources.		Traditionally, organic agriculture has relied on tillage or cover cropping for weed control. While these methods avoid the use herbicides, they have their drawbacks. Tillage can damage soil life and structure, resulting in a loss of valuable nutrients and organic matter. Cover crops may attract pests, delay ripening and compete with cash crops for nutrients and water. Flame weeders have been used with success, but often rely on propane gas from fossil sources.

	Enter the pyrolysis-powered steam weeder, which puts out [http://en.wikipedia.org/wiki/Superheated_steam superheated steam] to kill weeds. This device can use all kinds of dry biomass for fuel. Pelletized biomass such as wood pellets should work well. Pyrolysis releases heat which turns water into steam. The saturated steam from boiling water runs through a copper coil which is externally heated in the pyrolysis unit, creating the superheated steam. [[Biochar]] is generated as a by-product, making the process carbon-negative. ~~So far, this is only a concept, published here for the purpose of creating prior art and to prevent patenting~~. ~~No prototypes have been built. Different scales are possible, from a hand-drawn cart to a larger version as a tractor implement~~.		Enter the pyrolysis-powered steam weeder, which puts out [http://en.wikipedia.org/wiki/Superheated_steam superheated steam] to kill weeds. This device can use all kinds of dry biomass for fuel. Pelletized biomass such as wood pellets should work well. Pyrolysis releases heat which turns water into steam. The saturated steam from boiling water runs through a copper coil which is externally heated in the pyrolysis unit, creating the superheated steam. [[Biochar]] is generated as a by-product, making the process carbon-negative.

			<iframe width="560" height="345" src="https://www.youtube.com/embed//YmAUBmPdL6k" frameborder="0" allowfullscreen></iframe>

	==Components==		==Components==
	* ~~as the core heat-generating unit,~~ a biomass gasifier ~~(example: modified version of a top~~-~~lit-up-draft ("TLUD") gasifier)~~		* a biomass [[gasifier]] - heat generation core
	* boiler for water		* boiler for water
	* copper coil		* copper coil
Line 22:		Line 26:
	* paper: [http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00733.x/abstract A direct-fired steam weeder]		* paper: [http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00733.x/abstract A direct-fired steam weeder]
	* related internal page: [[Food_Drying_with_Superheated_Steam\|"food drying with superheated steam"]]		* related internal page: [[Food_Drying_with_Superheated_Steam\|"food drying with superheated steam"]]
	*		* [http://en.wikipedia.org/wiki/Soil_steam_sterilization Wikipedia: Soil Steam Sterilization]
			* [http://www.physicalweeding.com/information/flame-vs-steam.html Flame vs. Steam]

Chris F: moved Open Source Steam Weeder to Steam Weeder over redirect

2011-09-04T21:55:13Z

moved Open Source Steam Weeder to Steam Weeder over redirect

← Older revision	Revision as of 21:55, 4 September 2011
(No difference)

Rasmus at 14:33, 21 February 2011

2011-02-21T14:33:06Z

← Older revision		Revision as of 14:33, 21 February 2011
Line 1:		Line 1:
	{{Category=Farm equipment}}		{{Category=Farm equipment}}

	[[File:large_TLUD_Rob.jpg\|400px\|thumb\|right\|Large TLUD built by Rob Diermair, [http://biocharontario.ca/ Biochar Ontario].]]		[[File:large_TLUD_Rob.jpg\|400px\|thumb\|right\|Large TLUD gasifier, built by Rob Diermair, [http://biocharontario.ca/ Biochar Ontario].]]
	Traditionally, organic agriculture has relied on tillage or cover cropping for weed control. While these methods avoid the use herbicides, they have their drawbacks. Tillage can damage soil life and structure, resulting in a loss of valuable nutrients and organic matter. Cover crops may attract pests, delay ripening and compete with cash crops for nutrients and water. Flame weeders have been used with success, but often rely on propane gas from fossil sources.		Traditionally, organic agriculture has relied on tillage or cover cropping for weed control. While these methods avoid the use herbicides, they have their drawbacks. Tillage can damage soil life and structure, resulting in a loss of valuable nutrients and organic matter. Cover crops may attract pests, delay ripening and compete with cash crops for nutrients and water. Flame weeders have been used with success, but often rely on propane gas from fossil sources.

Rasmus: /* Links */

2011-02-21T14:31:18Z

Links

← Older revision		Revision as of 14:31, 21 February 2011
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	==Links==		==Links==
	* paper: [http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00733.x/abstract A direct-fired steam weeder]		* paper: [http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00733.x/abstract A direct-fired steam weeder]
			* related internal page: [[Food_Drying_with_Superheated_Steam\|"food drying with superheated steam"]]
	*		*

Rasmus at 08:44, 21 February 2011

2011-02-21T08:44:58Z

← Older revision		Revision as of 08:44, 21 February 2011
Line 4:		Line 4:
	Traditionally, organic agriculture has relied on tillage or cover cropping for weed control. While these methods avoid the use herbicides, they have their drawbacks. Tillage can damage soil life and structure, resulting in a loss of valuable nutrients and organic matter. Cover crops may attract pests, delay ripening and compete with cash crops for nutrients and water. Flame weeders have been used with success, but often rely on propane gas from fossil sources.		Traditionally, organic agriculture has relied on tillage or cover cropping for weed control. While these methods avoid the use herbicides, they have their drawbacks. Tillage can damage soil life and structure, resulting in a loss of valuable nutrients and organic matter. Cover crops may attract pests, delay ripening and compete with cash crops for nutrients and water. Flame weeders have been used with success, but often rely on propane gas from fossil sources.

	Enter the pyrolysis-powered steam weeder~~. The concept discussed here is about weeding with~~ [http://en.wikipedia.org/wiki/Superheated_steam superheated steam]. ~~As fuel, this~~ device can use all kinds of dry biomass. Pelletized biomass such as wood pellets should work ~~very~~ well ~~as a fuel~~. Pyrolysis releases heat which turns water into steam. The saturated steam from boiling water runs through a copper coil which is externally heated in the pyrolysis unit, creating the superheated steam. [[Biochar]] is generated as a by-product, making the process carbon-negative. So far, this is only a concept, published here for the purpose of creating prior art and to prevent patenting. No prototypes have been built. Different scales are possible, from a hand-drawn cart to a larger version as a tractor implement.		Enter the pyrolysis-powered steam weeder, which puts out [http://en.wikipedia.org/wiki/Superheated_steam superheated steam] to kill weeds. This device can use all kinds of dry biomass for fuel. Pelletized biomass such as wood pellets should work well. Pyrolysis releases heat which turns water into steam. The saturated steam from boiling water runs through a copper coil which is externally heated in the pyrolysis unit, creating the superheated steam. [[Biochar]] is generated as a by-product, making the process carbon-negative. So far, this is only a concept, published here for the purpose of creating prior art and to prevent patenting. No prototypes have been built. Different scales are possible, from a hand-drawn cart to a larger version as a tractor implement.

	==Components==		==Components==