JP4236593B2 - ごみ焼却炉 - Google Patents
ごみ焼却炉 Download PDFInfo
- Publication number
- JP4236593B2 JP4236593B2 JP2004008577A JP2004008577A JP4236593B2 JP 4236593 B2 JP4236593 B2 JP 4236593B2 JP 2004008577 A JP2004008577 A JP 2004008577A JP 2004008577 A JP2004008577 A JP 2004008577A JP 4236593 B2 JP4236593 B2 JP 4236593B2
- Authority
- JP
- Japan
- Prior art keywords
- secondary air
- combustion chamber
- combustion
- gas
- refuse incinerator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002699 waste material Substances 0.000 title description 12
- 238000002485 combustion reaction Methods 0.000 claims description 65
- 239000000567 combustion gas Substances 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 7
- 238000003756 stirring Methods 0.000 description 5
- 239000002243 precursor Substances 0.000 description 3
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 2
- 150000002013 dioxins Chemical class 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Images
Description
さらに上記各二次空気噴出管を、壁部の上部から二次燃焼室内の中心に水平方向で突出するように設けるとともに、その先端部を所定高さ分だけ90°下方に曲げて二次空気の噴出口が下方に向くようにしたものである。
また、請求項3に係るごみ焼却炉は、請求項1または2に記載の焼却炉における二次空気噴出管の先端部に噴出口を複数形成したものである。
さらに、請求項5に係るごみ焼却炉は、請求項1乃至3のいずれかに記載の焼却炉における二次空気に水蒸気を混入させたものである。
以下、本発明の実施の形態に係るごみ焼却炉を、図1および図2に基づき説明する。
このごみ焼却炉は、例えばストーカ式のもので、図1に示すように、炉本体1の底部には、一端側から他端側に向って、すなわち前方から後方に向って、給じん部2、乾燥段火格子部3、燃焼段火格子部4および後燃焼段火格子部5が設けられ、また燃焼段火格子部4の直ぐ上方には、主燃焼域となる燃焼室6が形成されるとともに、この燃焼室6の上方には、二次燃焼域となる水平断面が四角形状(例えば、略正方形状)の二次燃焼室7が形成されている。燃焼ガスの流れ方向を基準にすると、燃焼室6の下流側に(上方に)二次燃焼室7が配置されていると言える。また、二次燃焼室7の上方には、当該二次燃焼室7にて燃焼された排ガスを排出する排ガス排出路(図示せず)が連設されており、炉本体1底部の後燃焼段火格子部5の後方側には、燃焼後の灰が排出される灰排出口8が設けられている。なお、図示しないが、排ガス排出路の下流側には、集塵装置、煙突などが設けられている。
6 燃焼室
7 二次燃焼室
11 二次空気噴出ノズル
12 二次空気噴出管
12a 噴出口
Claims (5)
- 燃焼室の上方に二次燃焼室が設けられてなる炉本体の上記二次燃焼室を形成する前壁部の幅方向の中心位置で且つ上下において所定間隔おきに、水平方向で二次空気を噴出させる二次空気噴出ノズルを複数個設けるとともに、上記二次燃焼室の上部における左右の各二次燃焼室部分の中心部において、燃焼ガスの流れとは逆方向に二次空気を噴出させる二次空気噴出管をそれぞれ設け、
さらに上記各二次空気噴出管を、壁部の上部から二次燃焼室内の中心に水平方向で突出するように設けるとともに、その先端部を所定高さ分だけ90°下方に曲げて二次空気の噴出口が下方に向くようにしたことを特徴とするごみ焼却炉。 - 二次空気噴出ノズルを上下方向で所定間隔おきに複数個設けたことを特徴とする請求項1に記載のごみ焼却炉。
- 二次空気噴出管の先端部に噴出口を複数形成したことを特徴とする請求項1または2に記載のごみ焼却炉。
- 二次空気の一部または全部を燃焼排ガスとしたことを特徴とする請求項1乃至3のいずれかに記載のごみ焼却炉。
- 二次空気に水蒸気を混入させたことを特徴とする請求項1乃至3のいずれかに記載のごみ焼却炉。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004008577A JP4236593B2 (ja) | 2004-01-16 | 2004-01-16 | ごみ焼却炉 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004008577A JP4236593B2 (ja) | 2004-01-16 | 2004-01-16 | ごみ焼却炉 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005201548A JP2005201548A (ja) | 2005-07-28 |
JP4236593B2 true JP4236593B2 (ja) | 2009-03-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004008577A Expired - Lifetime JP4236593B2 (ja) | 2004-01-16 | 2004-01-16 | ごみ焼却炉 |
Country Status (1)
Country | Link |
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JP (1) | JP4236593B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10386064B2 (en) | 2014-09-12 | 2019-08-20 | Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | Stoker-type incinerator |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5219468B2 (ja) * | 2007-11-15 | 2013-06-26 | 日立造船株式会社 | 二次燃焼室における二次燃焼空気の吹き込み方法 |
WO2020189394A1 (ja) * | 2019-03-15 | 2020-09-24 | 日立造船株式会社 | 焼却炉 |
-
2004
- 2004-01-16 JP JP2004008577A patent/JP4236593B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10386064B2 (en) | 2014-09-12 | 2019-08-20 | Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | Stoker-type incinerator |
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JP2005201548A (ja) | 2005-07-28 |
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