JPH0427533Y2 - - Google Patents
Info
- Publication number
- JPH0427533Y2 JPH0427533Y2 JP1986130815U JP13081586U JPH0427533Y2 JP H0427533 Y2 JPH0427533 Y2 JP H0427533Y2 JP 1986130815 U JP1986130815 U JP 1986130815U JP 13081586 U JP13081586 U JP 13081586U JP H0427533 Y2 JPH0427533 Y2 JP H0427533Y2
- Authority
- JP
- Japan
- Prior art keywords
- lining
- absorption tower
- spray
- support beam
- type absorption
- 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.)
- Expired
Links
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案はスプレー式吸収塔内張取付構造に係
り、特に排煙脱硫装置に使用される吸収塔又は各
種形式の充填塔等におけるスプレー部付近の構造
に関する。[Detailed description of the invention] [Industrial field of application] The present invention relates to a spray-type absorption tower lining installation structure, particularly around the spray part of an absorption tower used in flue gas desulfurization equipment or various types of packed towers. Regarding the structure of
〔従来の技術〕
従来、排煙脱硫装置に使用する吸収塔又は各種
形式の充填塔においては、塔内上部でスプレー管
にスプレーノズルを取付け、このスプレーノズル
から吸収液を塔内に均一に分布させて、排ガス中
の硫黄酸化物と気液接触を行う構造を有してい
る。[Prior art] Conventionally, in absorption towers or various types of packed towers used in flue gas desulfurization equipment, a spray nozzle is attached to a spray pipe at the top of the tower, and the absorption liquid is uniformly distributed within the tower from this spray nozzle. It has a structure that allows gas-liquid contact with sulfur oxides in exhaust gas.
第６図は、従来のスプレー塔形式の吸収塔の要
部断面図、第７図は第６図のＣ−Ｃ矢視図であ
る。サポート梁７はＨ形鋼又はＩ形鋼の形鋼類
（SUS316L）が使用され、このサポート梁７は炭
素鋼（SS41）からなる塔胴板１に溶接にて固定
される。また、吸収塔内で噴霧される吸収液は酸
性液であり、腐食性を有するために塔胴板１の内
壁面側とサポート梁７の塔胴板１との溶接部付近
の外周面に内張（樹脂ライニング）１２が施され
ている。 FIG. 6 is a sectional view of a main part of a conventional spray tower type absorption tower, and FIG. 7 is a view taken along the line C--C in FIG. 6. The support beam 7 is made of H-section steel or I-section steel (SUS316L), and is fixed to the tower body plate 1 made of carbon steel (SS41) by welding. In addition, the absorption liquid sprayed in the absorption tower is an acidic liquid and is corrosive. A lining (resin lining) 12 is applied.
上記のＨ形鋼やＩ形鋼のような形状のサポート
梁７では角隅部が多く、この部分の端部に樹脂ラ
イニング１２を行うには3R以上の滑らかな面に
仕上げる必要がある。また、これらの端部は樹脂
が付着しににく、また樹脂ライニング１２の欠陥
が生じ易い。さらにスプレーノズル６から噴霧さ
れるスラリ液は、ノズル背圧が１Kg／m2Ｇ、さら
にスラリの流速は相当な高速という環境下で噴霧
されるためにスプレーノズル６から噴霧される範
囲内の側壁面の樹脂ライニングの摩耗対策は不十
分なものであつた。
The support beam 7 shaped like the above-mentioned H-beam or I-beam has many corners, and in order to apply the resin lining 12 to the ends of these parts, it is necessary to finish the surface to a smooth surface of 3R or more. Furthermore, resin is difficult to adhere to these ends, and defects in the resin lining 12 are likely to occur. Furthermore, since the slurry liquid sprayed from the spray nozzle 6 is sprayed under an environment where the nozzle back pressure is 1 Kg/m 2 G and the slurry flow rate is considerably high, the side within the range where it is sprayed from the spray nozzle 6 is sprayed. Measures against wear of the resin lining on the wall surface were insufficient.
本考案の目的は、上記した従来技術の問題点を
解消し、スプレー式吸収塔のスプレーノズルを支
持するサポート梁の端部形状を施工に容易な形状
とし、かつスプレーノズルから噴霧される吸収液
に対する耐腐食性および耐摩耗性を向上させたス
プレー式吸収塔内張取付構造を提供することにあ
る。 The purpose of the present invention is to solve the above-mentioned problems of the conventional technology, to make the end shape of the support beam that supports the spray nozzle of the spray type absorption tower easy to construct, and to make the absorption liquid sprayed from the spray nozzle An object of the present invention is to provide a spray-type absorption tower lining mounting structure with improved corrosion resistance and abrasion resistance.
上記目的は、スプレーノズルから噴霧される液
が衝突する領域の吸収塔内壁面にSUS材等のよ
うな耐腐食性および耐摩耗性を有する鋼材からな
る内張を設け、サポート梁の吸収塔内壁面側の両
端部にSUS材等のような耐腐食性および耐摩耗
性を有する鋼材からなる当て板を固定し、該当て
板と前記内張とを溶接にて密封することによつて
達成される。
The above purpose is to install a lining made of corrosion-resistant and wear-resistant steel material such as SUS material on the inner wall surface of the absorption tower in the area where the liquid sprayed from the spray nozzle collides, and to This is achieved by fixing a patch plate made of a corrosion-resistant and wear-resistant steel material such as SUS material to both ends of the wall side, and sealing the plate and the lining by welding. Ru.
当て板を介した吸収塔内壁面の内張は、サポー
ト梁の形状に関係なく溶接施工の容易な形状を選
定できる。溶接施工が容易となり、スプレーノズ
ルから噴霧される液が衝突する領域は耐腐食性お
よび耐摩耗性を有する鋼材により構成されるの
で、長期の運転においても耐腐食性および耐摩耗
性を維持できる。
For lining the inner wall surface of the absorption tower via the backing plate, a shape that can be easily welded can be selected regardless of the shape of the support beam. Welding work is easy, and since the area where the liquid sprayed from the spray nozzle collides is made of steel that has corrosion and wear resistance, corrosion and wear resistance can be maintained even during long-term operation.
以下、本考案の実施例を図面に基づいて説明す
る。第１図は本考案にかかるスプレー式吸収塔内
張取付構造を有する吸収塔の全体構成を示す概略
的構成図、第２図は第１図の要部拡大断面図、第
３図は第２図のＡ−Ａ矢視図である。
Hereinafter, embodiments of the present invention will be described based on the drawings. Fig. 1 is a schematic configuration diagram showing the overall structure of an absorption tower having a spray-type absorption tower lining installation structure according to the present invention, Fig. 2 is an enlarged cross-sectional view of the main part of Fig. It is an AA arrow view of a figure.
吸収塔の側壁を構成する塔胴板１にそれぞれの
両端部が固定された配管サポート梁７が所定の間
隔をおいて複数段配置されている。各段に配置さ
れた配管サポート梁７によつて塔胴板１を貫通し
た複数のスプレー配管５が所定の間隔をおいて支
持され、このスプレー配管５にスプレーノズル６
が設けられている。この吸収塔は、スプレーノズ
ル６から噴霧される吸収液があたる領域に相当す
る塔胴板１の内壁面にはSUS内張２が施工され
ている。 A plurality of piping support beams 7, each having both ends fixed to the tower body plate 1 constituting the side wall of the absorption tower, are arranged at predetermined intervals. A plurality of spray pipes 5 passing through the tower body plate 1 are supported at predetermined intervals by pipe support beams 7 arranged at each stage, and spray nozzles 6 are connected to the spray pipes 5.
is provided. In this absorption tower, a SUS lining 2 is installed on the inner wall surface of the tower body plate 1, which corresponds to the area where the absorption liquid sprayed from the spray nozzle 6 hits.
サポート梁７の両端部は、第２図に示すように
内張２と同材質からなる当て板８が溶接に固定さ
れている。一方、塔胴板１の内壁面に設けられた
内張２には前記当て板８の形状に相当する切欠部
が形成され、この切欠部に当て板８が嵌めこま
れ、この当て板の周縁部はシール溶接により密封
されている。 As shown in FIG. 2, backing plates 8 made of the same material as the lining 2 are fixed to both ends of the support beam 7 by welding. On the other hand, a notch corresponding to the shape of the patch plate 8 is formed in the inner lining 2 provided on the inner wall surface of the tower body plate 1, and the patch plate 8 is fitted into this notch, and the periphery of this patch plate is The parts are sealed by seal welding.
次に上記のように構成されるスプレー式吸収塔
内張取付構造の作用について説明する。 Next, the operation of the spray-type absorption tower lining mounting structure configured as described above will be explained.
第１図に示す吸収塔において、排ガス（未処理
ガス）１０は、図中矢印で示すようにガス入口３
から塔内に導入され、スプレーノズル６から噴霧
される吸収液との気液接触により排ガス中の硫黄
酸化物が吸収除去され、処理ガス１１はガス出口
ダクト４から排出される。このような排ガスの処
理時、スプレーノズル６から噴霧される吸収液範
囲は、耐食性および耐摩耗性を有する内張２とこ
の内張２と同材質の当て板８とを備えているの
で、耐食性および耐摩耗性を維持できる。さらに
当て板８は、サポート梁７の形状に関係なく矩形
状に形成され、SUS内張２に形成された切欠部
に嵌めこまれてその周縁部を溶接により全面施工
し、密封している。したがつて、角隅部の減少に
よつてSUS内張施工が容易となり、また、腐食
液、ガスの浸透による塔胴板１の腐食および摩耗
を確実に防止でき、その信頼性を高めることがで
きる。 In the absorption tower shown in FIG.
Sulfur oxides in the exhaust gas are absorbed and removed by gas-liquid contact with the absorption liquid sprayed from the spray nozzle 6 , and the treated gas 11 is discharged from the gas outlet duct 4 . When treating such exhaust gas, the absorption liquid range sprayed from the spray nozzle 6 has corrosion resistance and abrasion resistance because it is equipped with an inner lining 2 and a backing plate 8 made of the same material as this lining 2. and can maintain wear resistance. Further, the backing plate 8 is formed into a rectangular shape regardless of the shape of the support beam 7, is fitted into a notch formed in the SUS lining 2, and the entire peripheral edge thereof is welded and sealed. Therefore, by reducing the number of corners, it becomes easier to install the SUS lining, and it is also possible to reliably prevent corrosion and wear of the tower body plate 1 due to penetration of corrosive liquid and gas, thereby increasing its reliability. can.
第４図は、本考案にかかるスプレー式吸収塔内
張取付構造の他の実施例を示す要部断面図、第５
図は第４図のＢ−Ｂ矢視図である。 FIG. 4 is a sectional view of main parts showing another embodiment of the spray-type absorption tower lining installation structure according to the present invention;
The figure is a view taken along the line B--B in FIG. 4.
この実施例において、サポート梁７の端部にカ
バー板９を接合し、形鋼類のサポート梁７の端部
を箱型の形状に構成し、この箱型の端部を内張２
に形成された矩形状の切欠部に嵌め込み、その周
縁部をシール溶接により密封している。このよう
なカバー板９の使用は、サポート梁７のサイズに
より任意に選定できる。 In this embodiment, a cover plate 9 is joined to the end of the support beam 7, the end of the support beam 7 made of shaped steel is formed into a box shape, and the end of the box shape is connected to the inner lining 2.
It is fitted into a rectangular notch formed in the hole, and its peripheral edge is sealed by seal welding. The use of such a cover plate 9 can be arbitrarily selected depending on the size of the support beam 7.
以上のように本考案によれば、サポート梁の形
状に関係なく、このサポート梁と塔胴板との接合
部を矩形状等のような内張、施工の溶接作業が容
易な形状にでき、このため腐食液、ガスの浸透に
よる胴板の腐食および摩耗を防止でき、その信頼
性を高めることができる。
As described above, according to the present invention, regardless of the shape of the support beam, the joint between the support beam and the tower body plate can be made into a shape such as a rectangle that facilitates the welding work of lining and construction. Therefore, corrosion and wear of the shell plate due to penetration of corrosive liquid and gas can be prevented, and its reliability can be improved.
第１図は本考案にかかるスプレー式吸収塔内張
取付構造を有する吸収塔を概略的構成図、第２図
は第１図の要部拡大断面図、第３図は第２図のＡ
−Ａ矢視図、第４図は本考案にかかるスプレー式
吸収塔内張取付構造の他の実施例を示す要部断面
図、第５図は第４図のＢ−Ｂ矢視図、第６図は従
来のスプレー式吸収塔内張取付構造の例を示す断
面図、第７図は第６図のＣ−Ｃ矢視図である。
１……塔胴板（炭素鋼）、２……内張（SUS）、
５……スプレー配管、６……スプレーノズル、７
……サポート梁、８……当て板、９……カバー
板。
Fig. 1 is a schematic configuration diagram of an absorption tower having a spray-type absorption tower lining installation structure according to the present invention, Fig. 2 is an enlarged sectional view of the main part of Fig. 1, and Fig. 3 is an A of Fig. 2.
4 is a sectional view of main parts showing another embodiment of the spray-type absorption tower lining installation structure according to the present invention, and FIG. 5 is a sectional view taken along line B-B in FIG. FIG. 6 is a sectional view showing an example of a conventional spray type absorption tower lining installation structure, and FIG. 7 is a view taken along the line C--C in FIG. 6. 1... Tower body plate (carbon steel), 2... Lining (SUS),
5...Spray piping, 6...Spray nozzle, 7
...Support beam, 8...Painting plate, 9...Cover plate.
Claims (1)
配管を支持するサポート梁を吸収塔内壁間に架
設したスプレー式吸収塔において、前記スプレ
ーノズルから噴霧される液が衝突する領域の吸
収塔内壁面に耐腐食性および耐摩耗性を有する
鋼材からなる内張を設け、前記サポート梁の吸
収塔内壁面側の両端部に耐腐食性および耐摩耗
性を有する鋼材からなる当て板を固定し、該当
て板と前記内張とを溶接にて密封したことを特
徴とするスプレー式吸収塔内張取付構造。 (2) 前記内張と前記当て板とは、同材質の鋼材か
らなることを特徴とする実用新案登録請求の範
囲第(1)項記載のスプレー式吸収塔内張取付構
造。 (3) 前記内張は当て板は、それぞれSUS材から
なることを特徴とする実用新案登録請求の範囲
第(1)項記載のスプレー式吸収塔内張取付構造。[Claims for Utility Model Registration] (1) In a spray-type absorption tower in which a support beam for supporting a spray pipe equipped with a spray nozzle is installed between the inner walls of the absorption tower, the liquid sprayed from the spray nozzle is A lining made of a steel material having corrosion resistance and wear resistance is provided on the inner wall surface of the absorption tower in the collision area, and a lining made of steel material having corrosion resistance and wear resistance is provided at both ends of the support beam on the inner wall surface side of the absorption tower. A spray type absorption tower lining installation structure characterized in that a backing plate is fixed, and the corresponding plate and the lining are sealed by welding. (2) The spray type absorption tower lining mounting structure according to claim 1, wherein the lining and the backing plate are made of the same steel material. (3) The spray-type absorption tower lining mounting structure according to claim 1, wherein the lining and backing plates are each made of SUS material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986130815U JPH0427533Y2 (en) | 1986-08-27 | 1986-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986130815U JPH0427533Y2 (en) | 1986-08-27 | 1986-08-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6335421U JPS6335421U (en) | 1988-03-07 |
| JPH0427533Y2 true JPH0427533Y2 (en) | 1992-07-02 |
Family
ID=31028680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986130815U Expired JPH0427533Y2 (en) | 1986-08-27 | 1986-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427533Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107213770B (en) * | 2017-07-03 | 2023-03-17 | 江苏新世纪江南环保股份有限公司 | Ammonia desulphurization absorption tower and establishing method and operation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4979967A (en) * | 1972-12-11 | 1974-08-01 |
-
1986
- 1986-08-27 JP JP1986130815U patent/JPH0427533Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6335421U (en) | 1988-03-07 |
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