JP2004321938A - Cyclone type separator - Google Patents

Cyclone type separator Download PDF

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Publication number
JP2004321938A
JP2004321938A JP2003120230A JP2003120230A JP2004321938A JP 2004321938 A JP2004321938 A JP 2004321938A JP 2003120230 A JP2003120230 A JP 2003120230A JP 2003120230 A JP2003120230 A JP 2003120230A JP 2004321938 A JP2004321938 A JP 2004321938A
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Japan
Prior art keywords
dust
pipe
outlet pipe
outlet
dust collecting
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JP2003120230A
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JP4119298B2 (en
Inventor
Takanobu Otani
貴信 大谷
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Kurimoto Ltd
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Kurimoto Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To lengthen an exchange cycle of an outlet pipe 8 by preventing the outlet pipe 8 from being exposed to a dust-containing gas a and abraded to generate a hole. <P>SOLUTION: A swirl is generated on the dust-containing gas a fed to a dust-collection pipe 7 by a vane 9 to separate the dust b, the dust b is discharged from the dust-collection pipe 7 and cleaned air c is discharged from the outlet pipe 8. The inside the casing 1 is divided to three chambers 4, 5, 6 by partition plates 2, 3 and a receiving pipe 10 is fixed to the partition plate 3. The outlet pipe 8 is rotatably inserted to the receiving pipe 10 through a packing 11 and is made rotatable around the axis against the dust-collection pipe 7. A new surface is made to face a position exposed to the dust-containing gas by appropriately rotating the outlet pipe 8 by a pin 14 just before the hole is formed on the surface abraded by the dust-containing gas. Thereby, one outlet pipe 8 can be used just before the hole is formed on the whole peripheral surface of the outlet pipe 8 by abrasion to the maximum and it becomes advantageous at a cost such as that the exchange cycle is lengthened. The vane 9 is mounted to the dust-collection pipe 7 and is always positioned in no relation to the outlet pipe 8. Thereby, it is not required that the vane 9 is positioned in every exchange of the outlet pipe 8. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
この発明は、例えば、工場で発生する含塵ガス（粉塵ガス）を清浄空気と粉塵に分離するサイクロン式分離機に関するものである。
【０００２】
【従来の技術】
この種のサイクロン式分離機にマルチサイクロンがあり、そのマルチサイクロンは、図３乃至図５に示すように、ケーシング１内を２枚の仕切板２、３で区画し、その両仕切板２、３で挟まれた区画室を含塵ガスの導入室４、下側仕切板２とケーシング１の区画室を集塵室５、上側の仕切板３とケーシング１の区画室を清浄空気室６としたものである。集塵室５には集塵管７がその上端を仕切板２に固定して設けられ、導入室４には出口管８が集塵管７の上端入口からベーン９を介在して挿入され、その出口管８は仕切板３を気密に貫通して清浄空気室６に開口している。
【０００３】
このマルチサイクロンは、セメント工場、製鉄所等で発生する含塵ガス（粉塵ガス）ａが、空気輸送などにより、矢印のごとく導入室４に送り込まれ、その含塵ガスａは、集塵管７にベーン９を介して入り込み、そのベーン９の通過により旋回流となって集塵管７内で塵ｂを分離し、その分離塵ｂは集塵管７の出口から集塵室５に排出されるとともに、塵ｂの分離されたガス（空気）ｃは出口管８にその下端入口から入り込んで上端出口から清浄空気室６に至り、必要な処理がされた後、大気に排出される。集塵室５の集塵は適宜に排出される（特許文献１、２参照）。
【０００４】
【特許文献１】
特開平５−１７３２６号公報
【特許文献２】
特開平５−２０４６号公報
【０００５】
【発明が解決しようとする課題】
このマルチサイクロンなどのサイクロン式分離機において、図５に示すように、出口管８は導入室４内に露出して含塵ガスａに晒されるため、摩耗が激しい。特に、導入室４の入口に臨む面はその含塵ガスａをまともに受けるため、その摩耗は激しく、その摩耗はその面に局部的に生じて穴が早期に開く。
【０００６】
従来では、出口管８は仕切板３に溶接などにより固定されているため、出口管８は摩耗により穴が開くまで使用し、穴が一個所でも開けば、その出口管８を溶接部の除去及び切断などにより取外して新しい出口管８に交換している。この一部の欠陥で出口管８を交換するのは無駄であり、コスト的に問題である。また、このとき、ベーン９は出口管８に取付けているため、出口管８の交換毎に、そのベーン９を最適な位置にセットしなければならず、その作業は煩雑となっている。因みに、ベーン９が所要の位置（最適な位置）にないと、有効に旋回流が生じず、円滑な集塵（分離）ができない。
【０００７】
この発明は、上記実情に鑑み、出口管の交換サイクルを長くすることを課題とする。
【０００８】
【課題を解決するための手段】
上記課題を解決するために、この発明は、出口管をその軸心周りに回転可能とし、穴が開く寸前に出口管を回して、摩耗の少ない面を摩耗し易い面に臨ませるようにしたのである。
【０００９】
このようにすれば、最大限、出口管の全周面に穴が開く寸前まで一つの出口管を使用でき、交換回数が少なくなる（交換サイクルが長くなる）などコスト面において有利となる。
【００１０】
【発明の実施の形態】
この発明の実施の形態としては、上下方向の集塵管にその上端から出口管をベーンを介在して挿入し、前記集塵管にその上端入口から流体を送り込み、前記ベーンによりその流体に旋回流を生じさせて固形物を分離し、その分離物を集塵管の出口から排出するとともに、分離流体を出口管の下端入口から導入して上端出口から排出するサイクロン式分離機において、前記出口管を集塵管に対しその軸心周りに回転可能とした構成を採用し得る。
【００１１】
このサイクロン式分離機は、通常、ケーシング内に設けられ、その場合、上記ケーシング内は出口管の出口と集塵管の入口と集塵管の出口がそれぞれ仕切板により区画されており、前記出口管の出口と集塵管の入口の仕切板に出口管の受管を固定し、その受管に出口管を回転可能に挿通するとともに、出口管を前記集塵管の入口と集塵管の出口の仕切板に挿通して、出口管を集塵管に対しその軸心周りに回転可能とした構成を採用することができる。
【００１２】
これらの構成において、上記ベーンは集塵管に取付ければ、出口管の取付位置には関係なく、ベーンは常に位置決めされているため、出口管の交換毎にベーンの位置決めをする必要はなくなる。
【００１３】
【実施例】
一実施例を図１及び図２に示し、この実施例は、図３、４に示したマルチサイクロンに係わり、同一の符号は同一物を示し、その特徴は、ベーン９を集塵管７に取付け、そのベーン９内に出口管８をその軸心周りに回転可能に嵌め、その出口管８の上端部を仕切板３に貫通し、その上端部を仕切板３に固定の受管１０にパッキング１１を介して回転可能に支持した点である。受管１０は止め板１２を介して溶接などにより仕切板３に固定されており、その上端全周にはフランジ１０ａを有する。このフランジ１０ａにパッキング押え１３をねじ止めしてパッキング１１を押えて受管１０と出口管８の間の気密性を保つ。
【００１４】
出口管８の上端部にはピン１４がその両端を突出させて取付けられており、そのピン１４の両端がフランジ１０ａ（パッキング押え１３）に当接することにより受管１０に出口管８がその軸心周りに回転可能に支持される。このため、含塵ガスａに晒されることにより摩耗した面に穴が開く寸前に、ピン１４で持って出口管８を適宜に回して、その摩耗した面を含塵ガスａに晒される個所から退避させ、新たな面をその含塵ガスａに晒される個所に臨ませることにより、出口管８のほぼ全周囲が摩耗により穴が開く直前まで使用することができ、出口管８の交換サイクルはすこぶる長くなる。出口管８の回転角度は摩耗面積に応じて適宜に設定すればよいが、例えば、１２０度とすれば、三方向の面 （摩耗面）を使用でき、 一面のみの従来に比べて３倍の寿命となる。なお、出口管８、集塵管７にはクロム鋳鉄などの耐摩耗性の材質を使用すると良い。摩耗度（交換時期）は、一定期間毎、目視などによって適宜に選定する。図中、１５はバックアップリングである。
【００１５】
出口管８がその全周囲が摩耗して交換が必要となれば、受管１０からその摩耗した出口管８を外して新しい出口管８に交換する。このとき、ベーン９は集塵管７に取付けているため、出口管８の交換に関係なく、その位置は当初の最適な位置にあり、出口管８の交換と同時に円滑な集塵を行うことができる。
【００１６】
なお、集塵管７も図示のごとく、上下に分割すれば、摩耗した管７ａ又は７ｂのみを取り替えるだけで良い。
【００１７】
この発明のサイクロン式分離機は、マルチサイクロンに限らず、すべてのこの種の出口管８と集塵管７とからなる構成のものに採用することができ、その分離流体も、セメント工場、製鉄所などにおける含塵ガス（粉塵ガス）に限らず、種々の分離、例えば、砂、砂利などの分離に採用できる。砂などは水輸送となる。
【００１８】
【発明の効果】
この発明は、以上のように、出口管をその軸心周りに回転可能としたので、出口管の寿命を延すことができ、そのため、出口管の交換時の溶接・切断などの煩わしい作業もなくなる等のメンテナンス効率が向上するとともに、ランニングコストの削減を図ることができる。
【図面の簡単な説明】
【図１】一実施例の要部断面図
【図２】図１の要部拡大図
【図３】マルチサイクロンの一部切欠き斜視図
【図４】図３の要部断面図
【図５】従来例の要部断面図
【符号の説明】
ａ 含塵ガス
ｂ 分離塵
ｃ 清浄空気
１ ケーシング
２ 下側仕切板
３ 上側仕切板
４ 含塵ガス導入室
５ 集塵室
６ 清浄空気室
７ 集塵管
８ 出口管
９ ベーン
１０ 受管
１０ａ 受管フランジ
１１ パッキング
１２ 止め板
１３ パッキング押え
１４ 出口管用ピン[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cyclone separator for separating dust-containing gas (dust gas) generated in a factory into clean air and dust, for example.
[0002]
[Prior art]
There is a multicyclone in this type of cyclone separator. As shown in FIGS. 3 to 5, the multicyclone divides an inside of a casing 1 by two partition plates 2, 3. The compartments sandwiched by 3 are the dust-containing gas introduction chambers 4, the lower compartment 2 and the compartments of the casing 1 are the dust collection compartments 5, and the upper compartment 3 and the compartments of the casing 1 are the clean air compartments 6. It was done. A dust collection pipe 7 is provided in the dust collection chamber 5 with its upper end fixed to the partition plate 2, and an outlet pipe 8 is inserted into the introduction chamber 4 from the upper end entrance of the dust collection pipe 7 via a vane 9. The outlet pipe 8 passes through the partition plate 3 in an airtight manner and opens to the clean air chamber 6.
[0003]
In this multicyclone, a dust-containing gas (dust gas) a generated in a cement factory, an ironworks, or the like is sent into the introduction chamber 4 as indicated by an arrow by pneumatic transportation or the like, and the dust-containing gas a is collected by the dust collection tube 7. Through the vane 9, and passes through the vane 9 to form a swirling flow to separate the dust b in the dust collection tube 7. The separated dust b is discharged from the outlet of the dust collection tube 7 to the dust collection chamber 5. At the same time, the gas (air) c from which the dust b has been separated enters the outlet pipe 8 from the lower end inlet thereof, reaches the clean air chamber 6 from the upper end outlet, and after being subjected to necessary processing, is discharged to the atmosphere. Dust collected in the dust collection chamber 5 is appropriately discharged (see Patent Documents 1 and 2).
[0004]
[Patent Document 1]
JP-A-5-17326 [Patent Document 2]
JP-A-5-2046
[Problems to be solved by the invention]
In this cyclone type separator such as a multi-cyclone, as shown in FIG. 5, the outlet pipe 8 is exposed in the introduction chamber 4 and is exposed to the dust-containing gas a, so that the abrasion is severe. In particular, since the surface facing the inlet of the introduction chamber 4 receives the dust-containing gas a properly, its wear is severe, and the wear occurs locally on the surface, and a hole is opened early.
[0006]
Conventionally, since the outlet pipe 8 is fixed to the partition plate 3 by welding or the like, the outlet pipe 8 is used until a hole is opened due to abrasion. And it is removed by cutting or the like and replaced with a new outlet pipe 8. It is wasteful to replace the outlet pipe 8 due to some of these defects, and this is a problem in terms of cost. Further, at this time, since the vane 9 is attached to the outlet pipe 8, the vane 9 must be set to an optimum position every time the outlet pipe 8 is replaced, and the operation is complicated. Incidentally, if the vane 9 is not at a required position (optimum position), a swirling flow is not effectively generated, and smooth dust collection (separation) cannot be performed.
[0007]
The present invention has been made in view of the above circumstances, and has an object to lengthen an outlet pipe replacement cycle.
[0008]
[Means for Solving the Problems]
In order to solve the above problems, the present invention makes the outlet pipe rotatable around its axis, and turns the outlet pipe just before a hole is opened so that a surface with little wear faces a surface that is easily worn. It is.
[0009]
By doing so, one outlet pipe can be used at most until just before a hole is formed on the entire peripheral surface of the outlet pipe, which is advantageous in terms of cost such as a reduced number of replacements (extended replacement cycle).
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
As an embodiment of the present invention, an outlet pipe is inserted from the upper end of the dust collecting pipe through a vane into the vertical dust collecting pipe, fluid is sent from the upper end inlet to the dust collecting pipe, and the fluid is swirled by the vane. A cyclone-type separator that generates a flow to separate the solid matter, discharges the separated matter from the outlet of the dust collection tube, and introduces the separated fluid from the lower end inlet of the outlet tube and discharges the separated fluid from the upper end outlet. A configuration in which the pipe is rotatable around the axis with respect to the dust collection pipe may be employed.
[0011]
This cyclone type separator is usually provided in a casing, in which case the outlet of the outlet pipe, the inlet of the dust collecting pipe, and the outlet of the dust collecting pipe are respectively partitioned by a partition plate, and the outlet A receiving pipe of the outlet pipe is fixed to a partition plate at an outlet of the pipe and an inlet of the dust collecting pipe, and the outlet pipe is rotatably inserted into the receiving pipe, and the outlet pipe is connected to the inlet of the dust collecting pipe and the dust collecting pipe. It is possible to adopt a configuration in which the outlet pipe is inserted into the outlet partition plate and the outlet pipe is rotatable around the axis with respect to the dust collecting pipe.
[0012]
In these configurations, if the vane is attached to the dust collecting tube, the vane is always positioned regardless of the mounting position of the outlet tube, so that it is not necessary to position the vane every time the outlet tube is replaced.
[0013]
【Example】
One embodiment is shown in FIGS. 1 and 2. This embodiment relates to the multicyclone shown in FIGS. 3 and 4, the same reference numerals denote the same components, and the feature is that the vane 9 is attached to the dust collection tube 7. The outlet pipe 8 is rotatably fitted around its axis in the vane 9, and the upper end of the outlet pipe 8 penetrates the partition plate 3, and the upper end of the outlet pipe 8 is inserted into the receiving pipe 10 fixed to the partition plate 3. It is rotatably supported via the packing 11. The receiving tube 10 is fixed to the partition plate 3 by welding or the like via a stopper plate 12, and has a flange 10a all around its upper end. The packing presser 13 is screwed to the flange 10a to press the packing 11, thereby maintaining the airtightness between the receiving pipe 10 and the outlet pipe 8.
[0014]
A pin 14 is attached to the upper end of the outlet pipe 8 with both ends protruding, and the both ends of the pin 14 abut on the flange 10 a (packing retainer 13), so that the outlet pipe 8 is attached to the receiving pipe 10. It is supported rotatably around the heart. For this reason, just before a hole is opened in the surface worn out by being exposed to the dust-containing gas a, the outlet pipe 8 is appropriately rotated by holding it with the pin 14, and the worn surface is removed from the portion exposed to the dust-containing gas a. By retracting and exposing a new surface to the location exposed to the dust-containing gas a, almost the entire periphery of the outlet pipe 8 can be used until immediately before a hole is opened due to wear. It becomes very long. The rotation angle of the outlet pipe 8 may be appropriately set according to the wear area. For example, if the rotation angle is set to 120 degrees, a surface in three directions (wear surface) can be used, which is three times as large as that of the conventional one having only one surface. It is life. The outlet pipe 8 and the dust collecting pipe 7 are preferably made of a wear-resistant material such as chrome cast iron. The degree of wear (replacement time) is appropriately selected at regular intervals, for example, visually. In the figure, 15 is a backup ring.
[0015]
When the entire circumference of the outlet pipe 8 is worn and needs to be replaced, the worn outlet pipe 8 is removed from the receiving pipe 10 and replaced with a new outlet pipe 8. At this time, since the vane 9 is attached to the dust collecting tube 7, the position is at the initial optimum position regardless of the replacement of the outlet tube 8, and the dust is smoothly collected simultaneously with the replacement of the outlet tube 8. Can be.
[0016]
If the dust collection tube 7 is also divided into upper and lower parts as shown in the figure, it is only necessary to replace only the worn tube 7a or 7b.
[0017]
The cyclone-type separator of the present invention is not limited to a multi-cyclone, and can be employed in all types of outlet pipes 8 and dust collecting pipes 7 of this type. The present invention can be applied not only to dust-containing gas (dust gas) in places but also to various separations, for example, separation of sand, gravel and the like. Sand transports water.
[0018]
【The invention's effect】
As described above, the present invention enables the outlet pipe to be rotatable around its axis, so that the life of the outlet pipe can be extended, and therefore, troublesome work such as welding and cutting when replacing the outlet pipe is performed. Maintenance efficiency such as disappearance can be improved, and running costs can be reduced.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a main part of one embodiment. FIG. 2 is an enlarged view of a main part of FIG. 1. FIG. 3 is a partially cutaway perspective view of a multicyclone. FIG. Cross section of main part of conventional example [Explanation of reference numerals]
a Dust-containing gas b Separated dust c Clean air 1 Casing 2 Lower partition plate 3 Upper partition plate 4 Dust-containing gas introduction chamber 5 Dust collection chamber 6 Clean air chamber 7 Dust collection pipe 8 Outlet pipe 9 Vane 10 Receiving pipe 10a Receiving pipe Flange 11 Packing 12 Stop plate 13 Packing presser 14 Pin for outlet pipe

Claims (3)

上下方向の集塵管７にその上端から出口管８をベーン９を介在して挿入し、前記集塵管７にその上端入口から流体ａを送り込み、前記ベーン９によりその流体ａに旋回流を生じさせて固形物ｂを分離し、その分離物ｂを集塵管７の下端出口から排出するとともに、分離流体ｃを出口管８の下端入口から導入して上端出口から排出するサイクロン式分離機において、
上記出口管８を上記集塵管７に対しその軸心周りに回転可能としたことを特徴とするサイクロン式分離機。An outlet pipe 8 is inserted into the dust collecting pipe 7 in the vertical direction from the upper end thereof with a vane 9 interposed therebetween, and a fluid a is sent into the dust collecting pipe 7 from an upper end inlet thereof. The cyclone separator separates the generated solids b, discharges the separated substances b from the lower end outlet of the dust collecting tube 7, and introduces the separation fluid c from the lower end inlet of the outlet pipe 8 and discharges the separated fluid c from the upper end outlet. At
A cyclone type separator, wherein the outlet pipe 8 is rotatable around the axis of the dust collecting pipe 7. ケーシング１内に設けた請求項１記載のサイクロン式分離機において、前記ケーシング１内は出口管８の出口と集塵管７の入口と集塵管７の出口がそれぞれ仕切板２，３により区画されており、前記出口管８の出口と集塵管７の入口の仕切板３に出口管８の受管１０を固定し、その受管１０に出口管８を回転可能に挿通するとともに、出口管８を前記集塵管７の入口と集塵管７の出口の仕切板２に挿通して、出口管８を集塵管７に対しその軸心周りに回転可能としたことを特徴とするサイクロン式集塵機。2. The cyclone separator according to claim 1, wherein the outlet of the outlet pipe, the inlet of the dust collecting pipe, and the outlet of the dust collecting pipe are partitioned by the partition plates in the casing. The receiving pipe 10 of the outlet pipe 8 is fixed to the partition plate 3 at the outlet of the outlet pipe 8 and the inlet of the dust collecting pipe 7, and the outlet pipe 8 is rotatably inserted into the receiving pipe 10. A pipe 8 is inserted through the partition plate 2 at the entrance of the dust collection tube 7 and the exit of the dust collection tube 7, and the exit tube 8 is rotatable around the axis of the dust collection tube 7. Cyclone dust collector. 上記ベーン９を上記集塵管７に取付けたことを特徴とする請求項１又は２に記載のサイクロン式分離機。The cyclone type separator according to claim 1 or 2, wherein the vane (9) is attached to the dust collecting tube (7).
JP2003120230A 2003-04-24 2003-04-24 Cyclone separator Expired - Fee Related JP4119298B2 (en)

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JP2008080244A (en) * 2006-09-27 2008-04-10 Nippon Steel Corp Multicyclone type dust collector
KR20160012777A (en) * 2014-07-25 2016-02-03 국방과학연구소 Apparatus for collecting particles

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DE102016122225B4 (en) * 2016-11-18 2018-11-08 Voith Patent Gmbh Hydrocyclone arrangement

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JPS5715859A (en) * 1980-06-30 1982-01-27 Kobe Steel Ltd Multicyclone system waste gas dust collecting device
JPH05131158A (en) * 1991-11-11 1993-05-28 Japan Vilene Co Ltd Cyclone dust collector
JPH1179764A (en) * 1997-08-27 1999-03-23 Tokai Kogyo Kk Method of refining glass hollow ball excellent in water resistance
JP2000046278A (en) * 1998-07-31 2000-02-18 Yasushi Jo Connector
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JPS5715859A (en) * 1980-06-30 1982-01-27 Kobe Steel Ltd Multicyclone system waste gas dust collecting device
JPH05131158A (en) * 1991-11-11 1993-05-28 Japan Vilene Co Ltd Cyclone dust collector
JPH1179764A (en) * 1997-08-27 1999-03-23 Tokai Kogyo Kk Method of refining glass hollow ball excellent in water resistance
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JP2004322086A (en) * 2003-04-11 2004-11-18 Showa Denko Kk Multicyclone-type dust collection device and dust separation method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008080244A (en) * 2006-09-27 2008-04-10 Nippon Steel Corp Multicyclone type dust collector
KR20160012777A (en) * 2014-07-25 2016-02-03 국방과학연구소 Apparatus for collecting particles
KR101677982B1 (en) 2014-07-25 2016-12-06 국방과학연구소 Apparatus for collecting particles

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