Grate: Difference between revisions

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[[Category:Technologies & Solutions]]

[[Grate]]-type [[Incineration|incinerators]] are suitable for large irregular-shaped [[Waste|wastes]], which can be supported on a stationary or moving alloy [[Grate]] that allows air to pass through from underneath into the [[Waste|waste]]. The primary furnace is followed by a secondary [[Combustion|combustion]] chamber, where additional air and fuel are added, to ensure complete destruction of all toxic emissions. These types of [[Incineration|incinerators]] are widely used for the [[Incineration|incineration]] of solid mixed [[Municipal Solid Waste|municipal waste]] ([[MSW]]), but can also be applied to [[Sewage Sludge|sewage sludge]], [[Clinical Waste|clinical waste]], and [[Commercial and Industrial Waste|commercial and industrial waste]] (C&I)<ref name="ref1">[https://eippcb.jrc.ec.europa.eu/sites/default/files/2020-01/JRC118637_WI_Bref_2019_published_0.pdf Best Available Techniques (BAT) Reference Document for Waste Incineration]</ref>. They generally have limited application for [[Hazardous Waste|hazardous waste]] [[Incineration|incineration]] due to the high temperatures required in the chamber which could have adverse effects the structure of the [[Grate]]<ref>[https://www.sciencedirect.com/science/article/pii/B9780123736239500034 Sustainable Industrial Design and Waste Management]</ref>.

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====Reverse reciprocating grate====

The [[Grate]] bars move back and forth in the reverse direction to the flow of [[Waste|waste]]. The [[Grate]] is ~~flopped~~ from the feed end to the ash discharge end and is comprised of fixed and moving grate steps.

The [[Grate]] bars move back and forth in the reverse direction to the flow of [[Waste|waste]]. The [[Grate]] is sloped from the feed end to the ash discharge end and is comprised of fixed and moving grate steps.

====Push forward grate====

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+[[Category:Technologies & Solutions]]
 [[Grate]]-type [[Incineration|incinerators]] are suitable for large irregular-shaped [[Waste|wastes]], which can be supported on a stationary or moving alloy [[Grate]] that allows air to pass through from underneath into the [[Waste|waste]]. The primary furnace is followed by a secondary [[Combustion|combustion]] chamber, where additional air and fuel are added, to ensure complete destruction of all toxic emissions. These types of [[Incineration|incinerators]] are widely used for the [[Incineration|incineration]] of solid mixed [[Municipal Solid Waste|municipal waste]] ([[MSW]]), but can also be applied to [[Sewage Sludge|sewage sludge]], [[Clinical Waste|clinical waste]], and [[Commercial and Industrial Waste|commercial and industrial waste]] (C&I)<ref name="ref1">[https://eippcb.jrc.ec.europa.eu/sites/default/files/2020-01/JRC118637_WI_Bref_2019_published_0.pdf Best Available Techniques (BAT) Reference Document for Waste Incineration]</ref>. They generally have limited application for [[Hazardous Waste|hazardous waste]] [[Incineration|incineration]] due to the high temperatures required in the chamber which could have adverse effects the structure of the [[Grate]]<ref>[https://www.sciencedirect.com/science/article/pii/B9780123736239500034 Sustainable Industrial Design and Waste Management]</ref>.
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 ====Reverse reciprocating grate====
 [[File:Reverse feed grate.png|200px|right|Reverse feed grate. All rights reserved.]]
-The [[Grate]] bars move back and forth in the reverse direction to the flow of [[Waste|waste]]. The [[Grate]] is flopped from the feed end to the ash discharge end and is comprised of fixed and moving grate steps.
+The [[Grate]] bars move back and forth in the reverse direction to the flow of [[Waste|waste]]. The [[Grate]] is sloped from the feed end to the ash discharge end and is comprised of fixed and moving grate steps.
 <br clear=all />
 ====Push forward grate====
 [[File:Forward feed grate.png|200px|right|Forward feed grate. All rights reserved.]]