JP2000254520A - Catalyst structure - Google Patents
Catalyst structureInfo
- Publication number
- JP2000254520A JP2000254520A JP11060411A JP6041199A JP2000254520A JP 2000254520 A JP2000254520 A JP 2000254520A JP 11060411 A JP11060411 A JP 11060411A JP 6041199 A JP6041199 A JP 6041199A JP 2000254520 A JP2000254520 A JP 2000254520A
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- frame
- support rod
- catalyst structure
- dust
- 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.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 80
- 230000003197 catalytic effect Effects 0.000 claims abstract description 7
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 20
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 229910003460 diamond Inorganic materials 0.000 abstract 2
- 239000010432 diamond Substances 0.000 abstract 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 14
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000010813 municipal solid waste Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910004688 Ti-V Inorganic materials 0.000 description 1
- 229910010968 Ti—V Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、触媒構造体に係
り、特に被処理排ガス中のダストの堆積を防止すること
ができる、排ガス処理用の触媒構造体に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a catalyst structure, and more particularly to a catalyst structure for treating exhaust gas, which can prevent the accumulation of dust in the exhaust gas to be treated.
【０００２】[0002]
【従来の技術】排ガス中の、例えば窒素酸化物を処理す
る触媒構造体としては、例えば板状触媒の積層体をガス
流通方向が開口した枠体に収納したものが知られてい
る。2. Description of the Related Art As a catalyst structure for treating, for example, nitrogen oxides in exhaust gas, there has been known a catalyst structure in which, for example, a laminate of plate-like catalysts is accommodated in a frame having an open gas flow direction.
【０００３】図６は、従来の、垂直に流通する排ガスを
処理する垂直流型の触媒構造体の説明図である。図にお
いて、この触媒構造体（以下、触媒ユットという）４
は、板状触媒（以下、触媒エレメントという）１が垂直
または略垂直になるように多数組み合わせられた触媒積
層体を、例えば、厚さ約１mmの側壁からなる、上下両面
が開口した枠体２に収納したものである。触媒エレメン
ト１は、枠体２の４つの側壁のうち、相対する２面を構
成する支持板３で落下しないように支持されている。す
なわち、支持板３の下端部は、図７に示すように内側に
折り曲げられており、この下部折り曲げ部８によって触
媒エレメント１の落下が防止されている。また、支持板
３の上端部も図７に示すように、内側に折り曲げられて
おり、この上部折り曲げ部９は支持板３の剛性を増すと
同時に、触媒ユニット４または枠体２自体を吊り下げる
ときの、支持具として機能するものである。FIG. 6 is an explanatory view of a conventional vertical flow type catalyst structure for treating exhaust gas flowing vertically. In the figure, this catalyst structure (hereinafter referred to as catalyst unit) 4
The present invention relates to a catalyst stack in which a large number of plate-like catalysts (hereinafter, referred to as catalyst elements) 1 are combined vertically or substantially vertically, for example, into a frame 2 having side walls having a thickness of about 1 mm and having open upper and lower surfaces. It is stored in. The catalyst element 1 is supported so as not to drop on a support plate 3 constituting two opposing surfaces of the four side walls of the frame 2. That is, the lower end portion of the support plate 3 is bent inward as shown in FIG. 7, and the lower bent portion 8 prevents the catalyst element 1 from falling. The upper end of the support plate 3 is also bent inward as shown in FIG. 7, and the upper bent portion 9 increases the rigidity of the support plate 3 and simultaneously suspends the catalyst unit 4 or the frame 2 itself. It functions as a support at the time.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来技術の触媒構造体は、図８に示すように、排ガス中の
ダストが支持板３の下部折り曲げ部８に堆積し易いとい
う欠点があり、これによって種々の不都合が発生してい
た。However, the conventional catalyst structure described above has a drawback that dust in exhaust gas tends to accumulate on the lower bent portion 8 of the support plate 3 as shown in FIG. Caused various inconveniences.
【０００５】すなわち、例えば都市ごみ焼却炉等から排
出される燃焼排ガス処理用の、脱硝触媒または脱ダイオ
キシン触媒は、温度が低いと十分な触媒活性が得られな
いことから、排ガス温度が２００〜３００℃の場所で使
用される場合が多く、特に触媒反応器の前流側に高温Ｅ
Ｐ方式の除塵器が設置される場合には、触媒温度は２５
０〜３００℃程度になる。That is, for example, a denitration catalyst or a dioxin catalyst for treating combustion exhaust gas discharged from a municipal solid waste incinerator or the like does not have sufficient catalytic activity if the temperature is low. ° C in many cases, especially high temperature E upstream of the catalytic reactor
When a P type dust remover is installed, the catalyst temperature is 25
It will be about 0-300 ° C.
【０００６】ところで、都市ごみ焼却炉等から排出され
る燃焼排ガスに含まれるダストは、該ダスト中の有機化
合物と塩素（Ｃｌ）との反応により、２５０〜５５０℃
程度の温度域でダイオキシンを再合成することが知られ
ている。従って、２５０〜３００℃雰囲気で使用される
脱硝用、脱ダイオキシン用または脱硝および脱ダイオキ
シン用触媒ユニットにおいて、図８に示したようにダス
トが堆積すると、ダイオキシンの再合成を引き起こす
か、またはダイオキシンの除去率が著しく低下するとい
う問題が生じる。なお、脱硝触媒の中で脱ダイオキシン
活性を有するものとしては、例えばＴｉ−Ｖ系の触媒が
知られている。By the way, dust contained in flue gas discharged from a municipal solid waste incinerator or the like is heated to 250 to 550 ° C. by a reaction between an organic compound in the dust and chlorine (Cl).
It is known to resynthesize dioxin in a moderate temperature range. Therefore, in the catalyst unit for denitration, deoxidation, or denitration and deoxidation used in an atmosphere of 250 to 300 ° C., if dust accumulates as shown in FIG. 8, it causes resynthesis of dioxin, or There is a problem that the removal rate is significantly reduced. As a denitration catalyst having a dioxin activity, for example, a Ti-V catalyst is known.
【０００７】本発明の課題は、上記従来技術の問題点を
解決し、ダイオキシン等の有害物質が再合成する原因と
なるダストの堆積しにくい触媒ユニットを提供すること
にある。An object of the present invention is to solve the above-mentioned problems of the prior art and to provide a catalyst unit in which dust which causes re-synthesis of harmful substances such as dioxin is less likely to be deposited.
【０００８】[0008]
【課題を解決するための手段】上記課題は、触媒ユニッ
トの枠体に設けられた、触媒エレメント支持用の折り曲
げ部をなくし、ダストの堆積しにくいエレメント支持手
段に代えることによって解決される。The above object can be attained by eliminating the bent portion for supporting the catalyst element provided on the frame of the catalyst unit, and replacing it with an element supporting means which is less likely to accumulate dust.
【０００９】すなわち、本願で特許請求する発明は、以
下のとおりである。 （１）板状触媒を多数積層し、上下に開口部を有する枠
体内に収納した、垂直流型触媒反応器に用いる触媒構造
体において、前記枠体の上下開口端の対向する内壁間
に、それぞれ断面形状が流線型または菱形の支持棒を、
該流線型または菱形の長軸がガス流れ方向と平行になる
ように架設したことを特徴とする触媒構造体。That is, the invention claimed in the present application is as follows. (1) In a catalyst structure used for a vertical flow type catalytic reactor in which a large number of plate-like catalysts are stacked and housed in a frame having openings at the top and bottom, between the inner walls facing the upper and lower opening ends of the frame, Each support rod has a streamlined or rhombic cross section,
A catalyst structure, wherein the streamlined or rhomboidal long axis is parallel to the gas flow direction.
【００１０】（２）前記枠体の上部開口端に架設された
支持棒と、枠体内に収納された板状触媒の上端部との間
に、前記支持棒断面の長軸方向の長さの少なくとも３倍
の間隙を設けたことを特徴とする上記（１）に記載の触
媒構造体。 （３）前記枠体の側面に複数の貫通孔を設けたことを特
徴とする上記（１）または（２）に記載の触媒構造体。(2) The length of the cross section of the support rod in the major axis direction is provided between the support rod erected at the upper open end of the frame and the upper end of the plate catalyst accommodated in the frame. The catalyst structure according to the above (1), wherein at least three times the gap is provided. (3) The catalyst structure according to the above (1) or (2), wherein a plurality of through holes are provided on a side surface of the frame.
【００１１】[0011]
【発明の実施の形態】次に、本発明を図面を用いて詳細
に説明する。図１は、本発明の一実施例である触媒ユニ
ット（触媒構造体）を示す説明図、図２は、図１のII−
II線矢示方向断面図、図３は、図２の一部拡大図であ
る。Next, the present invention will be described in detail with reference to the drawings. FIG. 1 is an explanatory view showing a catalyst unit (catalyst structure) according to one embodiment of the present invention, and FIG.
2 is a partially enlarged view of FIG. 2.
【００１２】図１および２において、この触媒ユニット
４は、触媒エレメント（板状触媒）１を多数積層し、上
下に開口部を有する枠体２内に収納した、垂直流型触媒
反応器に用いる触媒ユニットであり、前記枠体２の上下
開口端の対向する内壁間に、それぞれ断面形状が流線型
または菱形の支持棒５を、該流線型または菱形の長軸が
ガス流れ方向と平行になるように架設したものである。1 and 2, the catalyst unit 4 is used for a vertical flow type catalytic reactor in which a large number of catalyst elements (plate-like catalysts) 1 are stacked and housed in a frame 2 having openings at upper and lower sides. A catalyst unit, and a support rod 5 having a streamlined or rhombic cross section is provided between opposed inner walls at the upper and lower open ends of the frame body 2 so that the long axis of the streamlined or rhombic shape is parallel to the gas flow direction. It was erected.
【００１３】触媒エレメント１の積層数は、例えば７６
枚であり、枠体２の寸法は、例えば縦４６０ｍｍ×横４
６０ｍｍ×高さ５５０ｍｍである。枠体２の上部開口端
に架設された支持棒５と、枠体２内に収納された触媒エ
レメント１の上端部との間隔は、前記支持棒５の断面の
長軸方向の長さの少なくとも３倍とした。図３におい
て、支持棒５の傾き角、すなわち支持棒５の断面菱形の
一辺ａが枠体２の上端辺７と交わる角度θは、例えば６
０度である。このような構成の触媒ユニット４は、必要
に応じて多数積層され、垂直流型触媒反応器内に収納さ
れ、垂直に流れる、例えば都市ごみ焼却炉から排出され
る燃焼排ガスの処理に適用される。The number of stacked catalyst elements 1 is, for example, 76
The dimensions of the frame 2 are, for example, 460 mm (vertical) × 4 (horizontal).
It is 60 mm × height 550 mm. The distance between the support rod 5 erected at the upper open end of the frame 2 and the upper end of the catalyst element 1 housed in the frame 2 is at least as long as the length of the cross section of the support rod 5 in the major axis direction. It was three times. In FIG. 3, the inclination angle of the support bar 5, that is, the angle θ at which one side a of the rhombic cross section of the support bar 5 intersects the upper end side 7 of the frame 2 is, for example, 6
0 degrees. A large number of the catalyst units 4 having such a configuration are stacked as necessary, accommodated in a vertical flow type catalytic reactor, and applied to the treatment of vertically flowing combustion exhaust gas discharged from, for example, a municipal solid waste incinerator. .
【００１４】本実施例によれば、枠体２の上下の開口端
の対向する内壁間に、それぞれ支持棒５を架設したこと
により、該支持棒５で触媒エレメント１の荷重を支持す
ることができるので、枠体２の折り曲げ部分をなくして
ダストの堆積を防止することができる。また、枠体２の
板厚が薄い場合でも十分な強度が得られるので、枠体２
が触媒エレメント１のパック圧によって外側へ湾曲する
のを防止できる。According to this embodiment, the support rods 5 are provided between the inner walls of the upper and lower open ends of the frame 2 so that the load of the catalyst element 1 can be supported by the support rods 5. As a result, the bent portion of the frame 2 can be eliminated to prevent dust accumulation. In addition, since sufficient strength can be obtained even when the thickness of the frame 2 is small,
Can be prevented from being bent outward by the pack pressure of the catalyst element 1.
【００１５】本実施例によれば、枠体２の上部の支持棒
５と、触媒エレメント１の上端部との間に、前記支持棒
５の断面の長軸方向の長さの少なくとも３倍の間隙を設
けたことにより、上部支持棒５の下部に生じ易いガス流
の乱れ（渦）が少なくなり、触媒エレメント１の上端部
へのダストの堆積を防止することができる。また本実施
例によれば、支持棒５の傾き角θを６０度としたことに
より、該支持棒５にダストが堆積することはない。According to this embodiment, the length of the cross section of the support rod 5 between the support rod 5 at the upper part of the frame 2 and the upper end of the catalyst element 1 is at least three times the length in the long axis direction. By providing the gap, the turbulence (vortex) of the gas flow which tends to occur at the lower portion of the upper support bar 5 is reduced, and the accumulation of dust on the upper end of the catalyst element 1 can be prevented. According to the present embodiment, dust is not deposited on the support bar 5 by setting the inclination angle θ of the support bar 5 to 60 degrees.
【００１６】本実施例おいて、触媒エレメント１の荷重
は、下部の支持棒５によって支持されが、触媒エレメン
ト１の芯金としては、例えばメタルラス（ＳＵＳのラ
ス）が用いられており、十分な強度を有するので支持棒
５の小さな支持面積でも触媒エレメント１を十分に支持
することができる。In the present embodiment, the load of the catalyst element 1 is supported by the lower support rod 5, but a metal lath (SUS lath) is used as the core of the catalyst element 1, for example. Due to the strength, the catalyst element 1 can be sufficiently supported even with a small support area of the support rod 5.
【００１７】本実施例において、上部の支持棒５と触媒
エレメント１の上端部との間隙を、前記支持棒５の断面
の長軸方向の長さの少なくとも３倍としたが、５倍程度
であることが好ましい。この間隔が小さすぎると触媒エ
レメントの上端部にダストが堆積し易くなる。In this embodiment, the gap between the upper support rod 5 and the upper end of the catalyst element 1 is at least three times the length of the cross section of the support rod 5 in the major axis direction. Preferably, there is. If this interval is too small, dust tends to accumulate on the upper end of the catalyst element.
【００１８】本実施例において、支持棒５の傾き角を６
０度としたが、傾き角が５５度以上であれば支持棒５へ
のダストの堆積を防止できる。本実施例において、支持
棒５の数は、上下各１本に限定するものではなく、必要
に応じて増やしてもよい。支持棒５を上下に各１本づつ
架設する場合は、触媒エレメント１の積層方向に沿って
設けることが好ましい。In the present embodiment, the inclination angle of the support rod 5 is set to 6
Although the angle is set to 0 degree, if the inclination angle is 55 degrees or more, accumulation of dust on the support rod 5 can be prevented. In the present embodiment, the number of the support rods 5 is not limited to one each in the upper and lower directions, but may be increased as necessary. When the support rods 5 are provided one by one vertically, it is preferable to provide the support rods 5 along the stacking direction of the catalyst elements 1.
【００１９】図４は、本発明の他の実施例を示す斜視図
である。この触媒ユニット４が図１のものと異なるとこ
ろは、枠体２に多数の貫通孔１０を設けた点である。枠
体２の板厚は、例えば１mmであり、例えば直径６mmの貫
通孔１０が、例えば開口率５０％となるように設けられ
ている。FIG. 4 is a perspective view showing another embodiment of the present invention. This catalyst unit 4 differs from that of FIG. 1 in that a large number of through holes 10 are provided in the frame 2. The thickness of the frame 2 is, for example, 1 mm, and the through-hole 10 having a diameter of, for example, 6 mm is provided so as to have an opening ratio of, for example, 50%.
【００２０】本実施例によれば、枠体２に多数の貫通孔
を設けたことにより、触媒ユニット４の軽量化が図れ
る。また、枠体２に貫通孔１０を設けることによって前
記枠体２の剛性は小さくなり、触媒エレメント１のパッ
ク圧によって枠体２が外側に湾曲しようとするが、上下
開口端の内壁間にそれぞれ触媒ユニット積層方向に沿っ
て支持棒５が架設されているので、該支持棒５によって
枠体２の湾曲を防止することができる。本実施例におい
て、枠体２の開口率を、例えば５０％としたが、枠体２
の強度を確保できる範囲で開口率を変更してもよい。According to this embodiment, the weight of the catalyst unit 4 can be reduced by providing a large number of through holes in the frame 2. Further, the rigidity of the frame 2 is reduced by providing the through holes 10 in the frame 2, and the frame 2 tends to curve outward due to the pack pressure of the catalyst element 1. Since the support bar 5 is provided along the catalyst unit stacking direction, the support bar 5 can prevent the frame 2 from being bent. In this embodiment, the opening ratio of the frame 2 is, for example, 50%.
The aperture ratio may be changed as long as the strength of the opening can be ensured.
【００２１】図５は、本発明の別の実施例における、枠
体２の上下開口端に架設された支持棒５の断面形状の一
例を示したもので、それぞれ断面が、ガス流れ方向、す
なわち上下方向に沿って長い、楕円形、六角形、８角形
を呈している。このように、支持棒５の断面形状がガス
流れ方向に沿った流線型であれば、前記支持棒５にダス
トが堆積することはない。FIG. 5 shows an example of the cross-sectional shape of a support rod 5 erected at the upper and lower open ends of the frame 2 in another embodiment of the present invention. It has an elliptical shape, a hexagonal shape, and an octagonal shape that are long along the vertical direction. As described above, if the cross-sectional shape of the support rod 5 is streamlined along the gas flow direction, dust does not accumulate on the support rod 5.
【００２２】本発明において、触媒ユニットを積み重ね
る場合、隣接する上下の触媒ユニットを交互に水平面上
９０度回転させた状態で積層することが好ましい。これ
によって、下側の触媒ユニットの上部支持棒と、上側触
媒ユニットの下部支持棒が９０度交差した状態で接触す
るので、上部触媒ユニットは下部触媒ユニットによって
安定に支持される。In the present invention, when the catalyst units are stacked, it is preferable that the adjacent upper and lower catalyst units are alternately rotated by 90 degrees on a horizontal plane. As a result, the upper support bar of the lower catalyst unit and the lower support bar of the upper catalyst unit come into contact with each other in a state of crossing 90 degrees, so that the upper catalyst unit is stably supported by the lower catalyst unit.
【００２３】[0023]
【発明の効果】本願の請求項１に記載の発明によれば、
枠体の上下開口端の対向する内壁間に、それぞれ断面形
状が流線型または菱形の支持棒を、該流線型または菱形
の長軸がガス流れ方向と平行になるように架設したこと
により、該支持棒で触媒エレメントが支持されるので、
ダストが堆積し易い枠体折り曲げ部分をなくすことがで
きる。従って、ダストの堆積に起因するダイオキシン等
の再合成を防止することができる。According to the invention described in claim 1 of the present application,
A support rod having a streamlined or diamond-shaped cross section is provided between opposed inner walls at the upper and lower open ends of the frame so that the major axis of the streamlined or diamond-shaped is parallel to the gas flow direction. The catalyst element is supported by
It is possible to eliminate the bent portion of the frame where dust easily accumulates. Therefore, re-synthesis of dioxin and the like due to accumulation of dust can be prevented.
【００２４】本願の請求項２記載の発明によれば、枠体
の上部開口端に架設された支持棒と、枠体内に収納され
た触媒エレメントの上端部との間に、前記支持棒断面の
長軸方向の長さの少なくとも３倍の間隙を設けたことに
より、上記発明の効果に加え、前記支持棒の下部におけ
るガス流の乱れ（渦）をなくして触媒エレメント上端部
へのダストの堆積を回避することができる。According to the invention as set forth in claim 2 of the present application, the cross section of the support rod section is provided between the support rod erected at the upper open end of the frame and the upper end of the catalyst element housed in the frame. By providing the gap at least three times the length in the major axis direction, in addition to the effects of the above-described invention, turbulence (vortex) of the gas flow at the lower portion of the support rod is eliminated, and dust is deposited on the upper end of the catalyst element. Can be avoided.
【００２５】本願の請求項３記載の発明によれば、枠体
の側面に複数の貫通孔を設けたことにより、上記発明の
効果に加え、強度低下を生ずることなく、触媒ユニット
の軽量化が図れる。According to the invention of claim 3 of the present application, by providing a plurality of through holes on the side surface of the frame, in addition to the effect of the above invention, the weight of the catalyst unit can be reduced without lowering the strength. I can do it.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の一実施例である触媒ユニットを示す斜
視図。FIG. 1 is a perspective view showing a catalyst unit according to an embodiment of the present invention.
【図２】図１のII−II線矢示方向断面図。FIG. 2 is a sectional view taken along the line II-II in FIG.
【図３】図２の一部拡大図。FIG. 3 is a partially enlarged view of FIG. 2;
【図４】本発明の他の実施例を示す斜視図。FIG. 4 is a perspective view showing another embodiment of the present invention.
【図５】別の実施例における支持棒の断面形状の一例を
示す図。FIG. 5 is a diagram showing an example of a cross-sectional shape of a support rod according to another embodiment.
【図６】従来の触媒ユニットを示す斜視図。FIG. 6 is a perspective view showing a conventional catalyst unit.
【図７】図６の触媒エレメント支持部を示す説明図。FIG. 7 is an explanatory view showing a catalyst element support section of FIG. 6;
【図８】従来技術における触媒ユニット内のダスト堆積
状況を示す図。FIG. 8 is a view showing a dust accumulation state in a catalyst unit according to a conventional technique.
１…触媒エレメント（板状触媒）、２…枠体、３…支持
板、４…触媒ユニット（触媒構造体）、５…支持棒、６
…ダスト、７…枠体の上端辺、８…下部折り曲げ部、９
…上部折り曲げ部。DESCRIPTION OF SYMBOLS 1 ... Catalyst element (plate catalyst), 2 ... Frame, 3 ... Support plate, 4 ... Catalyst unit (catalyst structure), 5 ... Support rod, 6
... dust, 7 ... upper edge of frame, 8 ... lower bent part, 9
... the upper bent part.
フロントページの続き Ｆターム(参考） 4D048 AA06 AA14 AA17 AA21 BB02 BB11 CA01 4G069 AA11 CA02 EA11 EA20 EA26 EA27 EA28 EB02 EB10 EB14Y ED10 Continued on the front page F term (reference) 4D048 AA06 AA14 AA17 AA21 BB02 BB11 CA01 4G069 AA11 CA02 EA11 EA20 EA26 EA27 EA28 EB02 EB10 EB14Y ED10
Claims (3)
有する枠体内に収納した、垂直流型触媒反応器に用いる
触媒構造体において、前記枠体の上下開口端の対向する
内壁間に、それぞれ断面形状が流線型または菱形の支持
棒を、該流線型または菱形の長軸がガス流れ方向と平行
になるように架設したことを特徴とする触媒構造体。1. A catalyst structure used for a vertical flow type catalytic reactor in which a large number of plate-like catalysts are stacked and housed in a frame having openings at the top and bottom, between the inner walls opposed to the upper and lower opening ends of the frame. And a support rod having a streamlined or rhombic cross-section, each having a major axis parallel to the gas flow direction.
棒と、枠体内に収納された板状触媒の上端部との間に、
前記支持棒断面の長軸方向の長さの少なくとも３倍の間
隙を設けたことを特徴とする請求項１に記載の触媒構造
体。2. A method according to claim 1, wherein a support rod provided at an upper open end of the frame and an upper end of a plate-like catalyst housed in the frame are provided.
The catalyst structure according to claim 1, wherein a gap is provided at least three times as long as the length of the support rod cross section in the major axis direction.
ことを特徴とする請求項１または２に記載の触媒構造
体。3. The catalyst structure according to claim 1, wherein a plurality of through holes are provided on a side surface of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06041199A JP3765939B2 (en) | 1999-03-08 | 1999-03-08 | Catalyst structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06041199A JP3765939B2 (en) | 1999-03-08 | 1999-03-08 | Catalyst structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000254520A true JP2000254520A (en) | 2000-09-19 |
| JP3765939B2 JP3765939B2 (en) | 2006-04-12 |
Family
ID=13141422
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06041199A Expired - Fee Related JP3765939B2 (en) | 1999-03-08 | 1999-03-08 | Catalyst structure |
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| Country | Link |
|---|---|
| JP (1) | JP3765939B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019511953A (en) * | 2016-02-04 | 2019-05-09 | アモグリーンテック カンパニー リミテッド | Catalyst carrier module for large capacity catalytic reactor |
-
1999
- 1999-03-08 JP JP06041199A patent/JP3765939B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019511953A (en) * | 2016-02-04 | 2019-05-09 | アモグリーンテック カンパニー リミテッド | Catalyst carrier module for large capacity catalytic reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3765939B2 (en) | 2006-04-12 |
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