JPH05337322A - Combined soot/smoke treatment device of main exhaust gas from sintering - Google Patents
Combined soot/smoke treatment device of main exhaust gas from sinteringInfo
- Publication number
- JPH05337322A JPH05337322A JP4170013A JP17001392A JPH05337322A JP H05337322 A JPH05337322 A JP H05337322A JP 4170013 A JP4170013 A JP 4170013A JP 17001392 A JP17001392 A JP 17001392A JP H05337322 A JPH05337322 A JP H05337322A
- Authority
- JP
- Japan
- Prior art keywords
- sintering
- exhaust gas
- soot
- main exhaust
- main
- 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.)
- Pending
Links
Landscapes
- Gas Separation By Absorption (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、焼結主排ガスの脱硫、
脱硝処理が可能な煤煙総合処理装置に関するものであ
る。BACKGROUND OF THE INVENTION The present invention relates to desulfurization of main exhaust gas for sintering,
The present invention relates to a soot and smoke comprehensive treatment device capable of denitration treatment.
【０００２】[0002]
【従来の技術】焼結主排ガス煤煙処理技術としては、除
塵技術としてＥＳＣＳ（電気集塵機）、脱硫技術として
湿式法が主流であり、脱硝技術には触媒法が採用されて
いる。また、脱硫と脱硝を行う方法として、特開昭５９
−４４２２号公報に焼結炉排ガスの脱硝方法が開示され
ている。2. Description of the Related Art ESCS (electrostatic precipitator) is mainly used as a dust removal technology and a wet method is mainly used as a desulfurization technology as a sintering main exhaust gas and soot treatment technology, and a catalytic method is adopted as the denitration technology. Further, as a method for performing desulfurization and denitration, Japanese Patent Laid-Open No.
No. 4422 discloses a denitration method for exhaust gas from a sintering furnace.
【０００３】[0003]
【発明が解決しようとする課題】最近の環境要請は厳し
さを増してきており、排煙の不可視化までも必要になり
つつある。これを達成するためには、現存実機技術では
湿式脱硫−湿式ＥＳＣＳ−触媒脱硝方法か、活性炭吸着
法しかない。Recently, environmental requirements have become more severe, and it is becoming necessary to make smoke exhaust invisible. In order to achieve this, the existing actual technology is only wet desulfurization-wet ESCS-catalytic denitration method or activated carbon adsorption method.
【０００４】しかしながら、これらの方法はいずれも初
期設備投資額が高く、運転費も高価である。また、湿式
法では水処理を伴うことや、活性炭法ではＳＯx リッチ
ガスの処理が必要であること等、維持管理に手間がかか
るという問題点を有していた。However, all of these methods require high initial capital investment and high operating costs. In addition, the wet method involves water treatment, and the activated carbon method requires treatment of SO x rich gas. Therefore, there is a problem in that maintenance is time-consuming.
【０００５】[0005]
【課題を解決するための手段】本発明は、焼結主排ガス
を導くメインダクトに上流側から乾式脱硫剤添加装置、
バグ式集塵機、乾式脱硝触媒塔を設けたことを特徴とす
る焼結主排ガスの煤煙総合処理装置である。According to the present invention, a dry desulfurizing agent adding device is provided from an upstream side to a main duct for guiding main sintering exhaust gas,
This is an integrated soot / smoke treatment device for sintering main exhaust gas, which is equipped with a bag type dust collector and a dry type denitration catalyst tower.
【０００６】[0006]
【作用】バグ式集塵機の上流側でメインダクト内に乾式
脱硫剤（Ｃａ（ＯＨ）2 ）を添加し、バグ式集塵機で除
塵・脱硫を行う。乾式脱硝触媒塔では、その前段で還元
剤（ＮＨ3 ）を添加して脱硝を行う。[Operation] A dry desulfurizing agent (Ca (OH) 2 ) is added in the main duct on the upstream side of the bag type dust collector to remove dust and desulfurize with the bag type dust collector. In the dry denitration catalyst tower, a reducing agent (NH 3 ) is added before the denitration.
【０００７】[0007]
【実施例】図１は本発明の実施例を示す概略説明図であ
る。FIG. 1 is a schematic explanatory view showing an embodiment of the present invention.
【０００８】本発明は、図１に示すように焼結主排ガス
を導くメインダクト５に、上流側から乾式脱硫剤添加装
置２、バグ式集塵機３、乾式脱硝触媒塔４を設けたこと
を特徴とする。さらに、乾式ＥＳＣＳ１、メインブロワ
ーＭＢ、ＮＨ3 添加位置６、熱交換器７を備えている。The present invention is characterized in that, as shown in FIG. 1, a main duct 5 for introducing a main exhaust gas for sintering is provided with a dry desulfurization agent addition device 2, a bag type dust collector 3, and a dry denitration catalyst tower 4 from the upstream side. And Further, a dry ESCS 1, a main blower MB, an NH 3 addition position 6 and a heat exchanger 7 are provided.
【０００９】表１に本発明装置を用いた焼結主排ガス処
理試験結果を示すが、焼結出口（乾式ＥＳＣＳ１入口）
と乾式脱硝触媒塔４出口における測定結果を比較して、
煤塵濃度で１／１２０以下、ＮＯx 濃度で１／１０以
下、ＳＯx 濃度で１／２以下といずれも大幅な低減とな
っており、本発明の有効性が実証できた。[0009] Table 1 shows the results of the sintering main exhaust gas treatment test using the apparatus of the present invention, the sintering outlet (dry ESCS1 inlet)
And the measurement results at the outlet of the dry denitration catalyst tower 4 are compared,
The dust concentration is 1/120 or less, the NO x concentration is 1/10 or less, and the SO x concentration is 1/2 or less, which are all significantly reduced, and the effectiveness of the present invention can be verified.
【００１０】[0010]
【表１】 [Table 1]
【００１１】[0011]
【発明の効果】本発明によれば、焼結主排ガスの除塵、
脱硫、脱硝処理を望ましい形で行うことが可能で、発生
物の処理が容易であり、設備費、運転費とも安価であ
り、排煙の不可視化を可能にできる等の効果を奏する。EFFECTS OF THE INVENTION According to the present invention, dust removal from the main exhaust gas of sintering,
The desulfurization and denitration treatments can be performed in a desired form, the generated substances can be easily treated, the facility cost and the operating cost are low, and the effect of making the smoke exhaust invisible can be achieved.
【図１】本発明の実施例を示す概略説明図である。FIG. 1 is a schematic explanatory view showing an embodiment of the present invention.
【符号の説明】 １ 乾式ＥＳＣＳ ２ 乾式脱硫剤添加装置 ３ バグ式集塵機 ４ 乾式脱硝触媒塔 ５ メインダクト ６ ＮＨ3 添加位置 ７ 熱交換器[Explanation of symbols] 1 dry ESCS 2 dry desulfurization agent addition device 3 bag type dust collector 4 dry denitration catalyst tower 5 main duct 6 NH 3 addition position 7 heat exchanger
───────────────────────────────────────────────────── フロントページの続き (72)発明者 田中 正秀 北九州市戸畑区大字中原46−59 新日本製 鐵株式会社機械・プラント事業部内 (72)発明者 岩本 浤一 千葉県富津市新富20−１ 新日本製鐵株式 会社技術開発本部内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Masahide Tanaka, Masahide Tanaka 46-59, Nakahara, Tobata-ku, Kitakyushu City Nippon Steel Co., Ltd., Machinery & Plant Division (72) Inventor, Jouichi Iwamoto 20-1 Shintomi, Futtsu City, Chiba Prefecture Nippon Steel Corporation Corporate Technology Development Division
Claims (1)
側から乾式脱硫剤添加装置、バグ式集塵機、乾式脱硝触
媒塔を設けたことを特徴とする焼結主排ガスの煤煙総合
処理装置。1. An integrated soot / smoke treatment apparatus for sintering main exhaust gas, comprising a dry desulfurizing agent addition device, a bag type dust collector, and a dry denitration catalyst tower provided upstream from a main duct for guiding the main sintering exhaust gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4170013A JPH05337322A (en) | 1992-06-05 | 1992-06-05 | Combined soot/smoke treatment device of main exhaust gas from sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4170013A JPH05337322A (en) | 1992-06-05 | 1992-06-05 | Combined soot/smoke treatment device of main exhaust gas from sintering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05337322A true JPH05337322A (en) | 1993-12-21 |
Family
ID=15896979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4170013A Pending JPH05337322A (en) | 1992-06-05 | 1992-06-05 | Combined soot/smoke treatment device of main exhaust gas from sintering |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05337322A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014043814A (en) * | 2012-08-27 | 2014-03-13 | National Maritime Research Institute | Exhaust gas purification system and vessel mounted with the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6274440A (en) * | 1985-09-30 | 1987-04-06 | Mitsubishi Heavy Ind Ltd | Method for systematic treatment of exhaust gas |
| JPH02303517A (en) * | 1989-05-18 | 1990-12-17 | Mitsubishi Heavy Ind Ltd | Exhaust gas treating device |
-
1992
- 1992-06-05 JP JP4170013A patent/JPH05337322A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6274440A (en) * | 1985-09-30 | 1987-04-06 | Mitsubishi Heavy Ind Ltd | Method for systematic treatment of exhaust gas |
| JPH02303517A (en) * | 1989-05-18 | 1990-12-17 | Mitsubishi Heavy Ind Ltd | Exhaust gas treating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014043814A (en) * | 2012-08-27 | 2014-03-13 | National Maritime Research Institute | Exhaust gas purification system and vessel mounted with the same |
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