JPH1183151A - Spiral flow guide vane - Google Patents
Spiral flow guide vaneInfo
- Publication number
- JPH1183151A JPH1183151A JP24950497A JP24950497A JPH1183151A JP H1183151 A JPH1183151 A JP H1183151A JP 24950497 A JP24950497 A JP 24950497A JP 24950497 A JP24950497 A JP 24950497A JP H1183151 A JPH1183151 A JP H1183151A
- Authority
- JP
- Japan
- Prior art keywords
- guide
- boss
- peripheral surface
- angle
- guide vane
- 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
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 39
- 239000003595 mist Substances 0.000 description 13
- 238000000926 separation method Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- UBCKGWBNUIFUST-YHYXMXQVSA-N tetrachlorvinphos Chemical compound COP(=O)(OC)O\C(=C/Cl)C1=CC(Cl)=C(Cl)C=C1Cl UBCKGWBNUIFUST-YHYXMXQVSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
- B04C2003/006—Construction of elements by which the vortex flow is generated or degenerated
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば含塵気流か
らミストや粉塵と云った各種のダスト類を分離して捕集
する集塵装置や、その他プレダスト分離器や粉粒体分離
排出装置等に使用して好適な旋回流案内羽根の構造に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust collector for separating and collecting various dusts such as mist and dust from a dust-containing gas stream, and a pre-dust separator, a granular material separating and discharging apparatus, and the like. The present invention relates to a structure of a swirling flow guide blade suitable for use in the present invention.
【０００２】[0002]
【従来の技術】フアン（ブロアー）により吸引した含塵
気流を、旋回流案内羽根によって旋回せしめることによ
り、含塵気流中に含まれているダスト類を遠心力によっ
て分離して捕集するように構成したサイクロン式の集塵
装置として、従来より例えば特開昭５３−１３５０６７
号公報、或は、特開昭５８−６４１４２号公報等に開示
されている如きものが存在する。2. Description of the Related Art A dust-containing airflow sucked by a fan (blower) is swirled by a swirling flow guide blade to separate and collect dust contained in the dust-containing airflow by centrifugal force. As a configured cyclone-type dust collecting apparatus, for example,
And Japanese Patent Application Laid-Open No. 58-64142.
【０００３】[0003]
【発明が解決しようとする課題】上述したサイクロン式
集塵装置に用いる旋回流案内羽根に求められる機能とし
ては、分離効率が優れていること、圧力損失が少いこと
等が挙げられるが、上記前者の公報に記載されている旋
回流案内羽根（旋回流案内板）は、その第１図並びに第
２図の記載から明らかな如く、円筒状の外筒と内筒の間
に螺旋状に屈曲形成した複数枚の案内板を固着した構造
であるため、圧力損失は少くできるが、反面、気流に充
分な旋回力を与えることができず、分離効率を悪くして
しまう問題があった。The functions required of the swirling flow guide blade used in the above-mentioned cyclone type dust collector include excellent separation efficiency and low pressure loss. The swirling flow guide vane (swirl flow guide plate) described in the former publication is spirally bent between a cylindrical outer cylinder and an inner cylinder, as is apparent from the description of FIGS. Although the pressure loss can be reduced because of the structure in which the formed plural guide plates are fixed, on the other hand, there is a problem that a sufficient swirling force cannot be given to the airflow, and the separation efficiency is deteriorated.
【０００４】また、上記後者の公報に記載されている旋
回流案内羽根（傾斜案内羽根）は、その第１図に記載さ
れているように環状の空間に複数枚の傾斜案内羽根を放
射状（略直角方向）に取付けた構造であるため、優れた
分離効率を発揮できる反面、圧力損失が高くなってしま
う問題があって、いずれのものも旋回流案内羽根に求め
られる機能を充分に発揮することができなかった。The swirl guide vanes (inclined guide vanes) described in the above-mentioned publication disclose a plurality of inclined guide vanes radially (generally in an annular space) as shown in FIG. (Right angle direction), so that it can exhibit excellent separation efficiency, but has the problem of high pressure loss, and all of them can fully exhibit the functions required for swirling flow guide vanes Could not.
【０００５】従って本発明の技術的課題は、集塵装置等
に用いることによって、高い分離効率を発揮できると同
時に、圧力損失を少くできるように工夫した旋回流案内
羽根を提供することができる。Accordingly, the technical problem of the present invention is to provide a swirling flow guide blade that can be used in a dust collector or the like to achieve high separation efficiency and reduce pressure loss.
【０００６】[0006]
【課題を解決するための手段】上記の技術的課題を解決
するために本発明で講じた手段は以下の如くである。Means taken by the present invention to solve the above-mentioned technical problems are as follows.
【０００７】ボスの周面に複数枚の案内羽根を軸線に対
して螺旋状に傾斜させて取付けることにより、軸線方向
に流れる気流に旋回運動を生じさせる旋回流案内羽根で
あって、[0007] A swirling flow guide vane, in which a plurality of guide vanes are spirally inclined with respect to an axis and attached to a peripheral surface of a boss to generate a swirling motion in an airflow flowing in an axial direction,
【０００８】（１） 上記の各案内羽根の傾斜角度を、
軸線に対して入口側の先端部角度を最もきつく、出口側
の終端部角度を最も緩やかに構成して、これ等先端部と
終端部の間を入口の方向に緩やかに脹らむ曲線で結んだ
形状に構成すること。（請求項１）(1) The inclination angle of each of the guide vanes is
The shape where the tip angle on the inlet side is the sharpest with respect to the axis, and the end angle on the outlet side is the gentlest, and the tip and the end are connected by a curve that gradually expands in the direction of the inlet. To be configured. (Claim 1)
【０００９】（２） ボスの周面に取付けた複数枚の各
案内羽根の先端部から終端部に至るまでの角度αが、軸
線に対して約１０°〜９０°の範囲で順次なめらかに結
んだ曲線状に変化するように構成すること。（請求項
２）(2) The angle α from the leading end to the trailing end of each of the plurality of guide blades attached to the peripheral surface of the boss is smoothly connected in order within a range of about 10 ° to 90 ° with respect to the axis. It is configured to change in a curved shape. (Claim 2)
【００１０】（３） ボスの周面に取付けた各々の案内
羽根を、流体の流れ方向から見てその先端部と他の案内
羽根の終端部とが互いに重ならない形状に構成するこ
と。（請求項３）(3) Each of the guide blades mounted on the peripheral surface of the boss is formed in such a shape that the leading end and the end of the other guide blade do not overlap each other when viewed from the flow direction of the fluid. (Claim 3)
【００１１】（４） ボスの周面に取付けた各々の案内
羽根を、各先端部に丸みを付け、終端部に至るに従って
その肉厚を次第に薄くして、終端部を薄いエッジ状に構
成すること。（請求項４）(4) Each guide blade attached to the peripheral surface of the boss is rounded at its tip, and its thickness is gradually reduced toward the end, so that the end has a thin edge shape. thing. (Claim 4)
【００１２】（５） ボスの周面に取付ける各々の案内
羽根を、ボスセンターから少し外れた偏心位置に取付け
ること。（請求項５）(5) Each guide blade to be mounted on the peripheral surface of the boss is mounted at an eccentric position slightly deviated from the boss center. (Claim 5)
【００１３】上記（１）で述べた請求項１に係る手段に
よれば、傾斜角度を最もきつくした各案内羽根の先端部
（入口側）で旋回流が形成され、この後に続く羽根で
は、終端部（デク値側）に至るまで続く緩やかに傾斜す
る曲線に沿わせてそのまま始めの勢いを落さずに旋回さ
せることができるため、高い分離効率を発揮できると同
時に、圧力損失を少くできる理想的な機能を備えた旋回
流案内羽根を提供することを可能にする。According to the first aspect of the present invention, a swirling flow is formed at the tip end (inlet side) of each of the guide blades having the steepest inclination angles, and the swirling flow is terminated at the subsequent blades. Can be turned along the gently sloped curve that continues up to the part (dec value side) without dropping the initial momentum, so that it is possible to exhibit high separation efficiency and at the same time to ideally reduce pressure loss It is possible to provide a swirling flow guide blade having a specific function.
【００１４】上記（２）で述べた請求項２に係る手段に
よれば、各案内羽根の先端部の傾斜角度を最もきつく、
終端部の傾斜角度を最も緩やかに形成できると共に、こ
れ等先端部と終端部の間をなめらかな曲線で結んだ形状
に構成できるため、上記（１）で述べた高い分離効率
と、少い圧力損失の優れた機能を実現可能にした旋回流
案内羽根を提供することができる。[0014] According to the means of the second aspect described in the above (2), the inclination angle of the tip end of each guide blade is the most steep.
Since the inclination angle of the end portion can be formed most gently and the end portion and the end portion can be formed into a shape connected by a smooth curve, the high separation efficiency described in (1) above and the low pressure can be obtained. It is possible to provide a swirling flow guide blade capable of realizing a function with excellent loss.
【００１５】上記（３）で述べた請求項３に係る手段に
よれば、各案内羽根と先端部と他の案内羽根の終端部が
重なっていないため、案内羽根の枚数を最少限の枚数に
することができると共に、圧力損失を増すことなく高い
分離効率を維持することを可能にする。According to the means according to claim 3 described in the above (3), since the guide blade, the tip end and the end of the other guide blade do not overlap, the number of guide blades is reduced to the minimum number. And maintain high separation efficiency without increasing pressure loss.
【００１６】上記（４）で述べた請求項４に係る手段に
よれば、各案内羽根の先端部に丸みを付けることによ
り、気流との衝突による乱気流の発生を防止すると共
に、終端部側の肉厚を次第に薄くして最後にはエッジ状
に構成しているため、先端部の部分で形成された旋回流
をそのまま始めの勢いを落すことなくなめらか状態に旋
回させることができるから、優れた分離効果を発揮する
ことを可能にする。According to the fourth aspect of the present invention, the tip of each guide blade is rounded to prevent generation of turbulence due to collision with the airflow and to reduce the amount of turbulence at the end. Since the wall thickness is gradually reduced and finally formed into an edge, the swirling flow formed at the tip can be swirled smoothly without lowering the initial momentum. It is possible to exert a separating effect.
【００１７】上記（５）で述べた請求項５に係る手段に
よれば、各案内羽根は先端部より終端部に向けて順次曲
げＲが変化する３次元の構造を成しているが、これをボ
スに対して偏心させて取付けることにより、円錐形状の
素材の一部分を切取った比較的簡単な形状のものを代用
することができるから、各案内羽根を簡単に、且つ、安
価に造ることを可能にする。According to the means according to claim 5 described in the above (5), each guide blade has a three-dimensional structure in which the bending R changes sequentially from the tip to the end. By eccentrically attaching to the boss, it is possible to substitute a relatively simple shape in which a part of the conical material is cut off, so that each guide blade can be made easily and inexpensively. Enable.
【００１８】以上の如くであるから、上記（１）〜
（５）の手段によって上述した技術的課題を解決して、
前記従来の技術の問題点を解消することができる。As described above, the above (1) to (1)
By solving the above technical problem by means of (5),
The problem of the conventional technique can be solved.
【００１９】[0019]
【発明の実施の形態】本発明に係る旋回流案内羽根の実
施の形態を図面と共に説明すると、図１は本発明の側面
図、図２はその正面図、図３は背面図であって、これ等
の図面に於いて符号１で全体的に示した旋回流案内羽根
は、全体を略砲弾状に形成したボス１Ａと、このボス１
Ａの周面に間隔をあけ、且つ、螺旋状に傾斜させて取付
けた計４枚の案内羽根１Ｂ…とによって構成されてい
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a swirling flow guide blade according to the present invention will be described with reference to the drawings. FIG. 1 is a side view of the present invention, FIG. In these drawings, a swirling flow guide blade generally denoted by reference numeral 1 is composed of a boss 1A having a generally shell-like shape and a boss 1A.
A is provided with a total of four guide blades 1B spaced apart from each other on the peripheral surface of A and spirally inclined.
【００２０】上記各案内羽根１Ｂ…の傾斜角度は、軸線
に対して入口側（図１に於いて左側）の先端部１Ｂ１の
角度を最もきつく（α＝約１０°）、出口側（図１に於
いて右側）の終端部１Ｂ２の角度を最も緩やか（α＝約
９０°）に構成すると共に、これ等先端部１Ｂ１と終端
部１Ｂ２の間を流体が流れて来る方向（図１に於いて左
側）に緩やかに脹らませ、且つ、約１０°〜９０°の範
囲で順次なめらかに結んだ曲線状に変化する形状に形成
されている。The inclination angle of each of the guide vanes 1B is set so that the angle of the tip 1B1 on the inlet side (left side in FIG. 1) with respect to the axis is the most steep (α = about 10 °), and the outlet side (FIG. 1). In FIG. 1, the angle of the end portion 1B2 is set to be the gentlest (α = about 90 °), and the direction in which fluid flows between the front end portion 1B1 and the end portion 1B2 (see FIG. 1). (Left side), and is gradually expanded in a range of about 10 ° to 90 °, and is formed into a smoothly changing curved shape.
【００２１】また、上記の各案内羽根１Ｂ…は、その先
端部１Ｂ１に丸みを付け、終端部１Ｂ２に至るに従って
その肉厚を次第に薄くして、終端部１Ｂ２をエッジ状に
構成することにより、先端部１Ｂ１で形成された旋回流
の勢いを落さずに気流を旋回させて、優れた分離機能を
発揮すると共に、図２と図３に示すように、各案内羽根
１Ｂの先端部１Ｂ１と他の案内羽根１Ｂの終端部１Ｂ２
とが、気流の流れる方向に対して重ならないように構成
することによって、圧力損失を少くする工夫が成されて
いる。Each of the guide blades 1B has a rounded tip 1B1 and a gradually reduced thickness as it reaches the end 1B2, so that the end 1B2 has an edge shape. The airflow is swirled without lowering the force of the swirling flow formed at the tip 1B1 to exert an excellent separation function, and as shown in FIGS. 2 and 3, the tip 1B1 of each guide blade 1B is swung. End 1B2 of other guide blade 1B
Are designed so that they do not overlap with each other in the direction in which the air flows, thereby reducing the pressure loss.
【００２２】更に上記ボス１の周面に取付けた各案内羽
根１Ｂ…は、図２に示すようにボスセンターの方向では
なく、ボスセンターに対して少し偏心した状態（図面で
は約１０ｍｍ）で取付けることによって、その製造を比
較的容易なものにしている。Further, the guide blades 1B attached to the peripheral surface of the boss 1 are attached not in the direction of the boss center as shown in FIG. 2 but in a state of being slightly eccentric with respect to the boss center (about 10 mm in the drawing). This makes its manufacture relatively easy.
【００２３】即ち、各案内羽根１Ｂは本来順次曲げＲが
変化する３次元の構造を成していて、その製造を難しい
ものにしているが、本発明では各案内羽根１Ｂを図２の
如く偏心させてボス１Ａに取付けているため、円錐形状
の素材の一部を切取ってこれを代用することを可能にし
ている。That is, each guide blade 1B originally has a three-dimensional structure in which the bending R changes sequentially, which makes it difficult to manufacture. However, in the present invention, each guide blade 1B is eccentric as shown in FIG. Since it is attached to the boss 1A, a part of the conical material can be cut out and used instead.
【００２４】図４は、本発明に係る旋回流案内羽根１を
集塵機に用いた場合の構成を説明した側断面図であっ
て、図中、３は集塵装置の機体、２はこの機体３の一側
に設けた含塵気体の吸引管、２Ｘはその吸引通路、符号
４で示したのはこの吸引管２の内端側に一体に連設した
吸引管部であって、本発明に係る旋回流案内羽根１は図
示したように吸引管２の吸引通路２Ｘ内に取付けられて
いる。FIG. 4 is a side sectional view for explaining the structure when the swirling flow guide blade 1 according to the present invention is used in a dust collector. In FIG. A suction pipe for dust-containing gas provided on one side of the suction pipe, 2X is a suction passage thereof, and a reference numeral 4 is a suction pipe portion integrally connected to the inner end side of the suction pipe 2, which is used in the present invention. The swirling flow guide blade 1 is mounted in the suction passage 2X of the suction pipe 2 as shown.
【００２５】上記の吸引管部４は、略円錐状に形成した
外管体４Ｔと、この外管体４Ｔの内部に間隔をあけて設
けた同じく略円錐状の内筒体５と、外管体４Ｔの内端側
に連設した第２外管体１２Ａとによって構成されてい
て、内外二重に構成した内筒体５と外管体４Ｔの間隔
が、吸引通路２Ｘに連通する略円錐状の風路４Ｒを構成
している。The above-mentioned suction pipe portion 4 includes an outer tube 4T formed in a substantially conical shape, an inner tube 5 also having a substantially conical shape provided at intervals inside the outer tube 4T, and an outer tube 4T. A second outer tube body 12A continuously provided on the inner end side of the body 4T, and an interval between the inner tube body 5 and the outer tube body 4T, which are formed as a double inner and outer tube, has a substantially conical shape communicating with the suction passage 2X. An air path 4R is formed.
【００２６】更に図中、７は内部にブロアー８（フア
ン）を収めたブロアー室、８Ｍはブロアー８用のモータ
で、このブロアー室７に連設した吸引円筒体６が上述し
た第２外管体１２Ａの内部に挿入され、且つ、その先端
部６Ａが上述した内筒体５の開口された端面口５Ｈの内
部に狭い間隔をあけて同軸的に突出されていて、この狭
い間隔が略Ｓ字状（図面では逆Ｓ字状）の迂回通路５Ｘ
を構成している。Further, in the drawing, 7 is a blower chamber containing a blower 8 (fan) inside, 8M is a motor for the blower 8, and the suction cylinder 6 connected to the blower chamber 7 is the second outer tube described above. The distal end 6A is inserted into the body 12A, and its distal end 6A protrudes coaxially at a small interval into the open end face opening 5H of the inner cylindrical body 5 described above. -Shaped (reverse S-shaped in the drawing) bypass passage 5X
Is composed.
【００２７】同じく図４に於いて、１２は上記吸引円筒
体６の下側に設けたミスト・ダストＭを回収するための
密閉型のダストボックス、１２Ｒは上述した第２外管体
１２Ａとダストボックス１２の間を結ぶ回収通路、９は
機体１の上側部に設けたフイルタ室、７Ａはフイルタ室
９とブロアー室７の間を連通する連通口、１０はフイル
タ室９の内部に取付た高性能濾過フイルタ、１１は排気
口を示す。In FIG. 4, reference numeral 12 denotes a closed dust box provided under the suction cylinder 6 for collecting mist dust M, and 12R denotes the second outer tube 12A and the dust box 12 described above. 9 is a filter chamber provided in the upper part of the body 1, 7 A is a communication port communicating between the filter chamber 9 and the blower chamber 7, and 10 is a high-performance filter mounted inside the filter chamber 9. The filter 11 indicates an exhaust port.
【００２８】更に、図中１２Ｐは第２外管体１２Ａの内
側に構成されたポケット部、２Ｘ′は上記本発明の案内
羽根１を取付た部分の通気口で、４Ｘは上述した略円錐
形に形成した風路４Ｒの先端口、６Ｘは吸引円筒体６の
内部通路を示す。Further, in the figure, 12P is a pocket portion formed inside the second outer tube body 12A, 2X 'is a ventilation hole of a portion to which the guide blade 1 of the present invention is mounted, and 4X is a substantially conical shape described above. 6X indicates an inner passage of the suction cylinder 6.
【００２９】また、ＭＲ…は本発明の案内羽根１によっ
て円周方向に旋回された状態で略円錐状の風路４Ｒの外
壁に沿って進行する質量のあるミスト・ダスト、ＭＬ…
は同じく風路４Ｒの内壁に沿って進行する質量の少い又
は無いミスト・ダストであって、遠心力を受けて風路４
Ｒの外壁に沿って旋回しながら図面上右方向に進行する
質量のあるミスト・ダストＭＲ…は、風路４Ｒの先端口
４Ｘを出た後、慣性力によって第２外管体１２Ａの内部
を通って一番奥の衝突壁に衝突して失速し、回収通路１
２Ｒを通って下側のダストボックス１２内に落下、回収
される仕組に成っている。MR is a mist dust having a large mass that travels along the outer wall of the substantially conical air passage 4R while being rotated in the circumferential direction by the guide blade 1 of the present invention.
Is mist dust having a small or no mass that travels along the inner wall of the air passage 4R.
The mist dust MR having a mass traveling in the right direction on the drawing while turning along the outer wall of R exits the tip end port 4X of the air passage 4R, and then passes through the inside of the second outer tube body 12A by inertial force. Passing through, hitting the innermost collision wall and stalling, the recovery passage 1
It is configured to fall through the 2R into the lower dust box 12 and be collected.
【００３０】図５は、本発明に係る旋回流案内羽根１を
プレダスト分離器に用いた場合の構成を説明した側断面
図であって、図中、３はプレダスト分離器の機体、２は
この機体３の上側に設けた含塵気体の吸引管、２Ｘはそ
の流入通路、符号４で全体的に示したのはこの吸引管２
の下端側に一体に連設した吸引管部であって、本発明の
案内羽根１は図示したように流入通路２Ｘの内部に取付
けられている。FIG. 5 is a side sectional view for explaining the structure when the swirling flow guide blade 1 according to the present invention is used for a pre-dust separator. In FIG. A suction pipe for dust-containing gas provided on the upper side of the body 3, 2X is an inflow passage thereof, and the suction pipe 2
The guide blade 1 of the present invention is attached to the inside of the inflow passage 2X as shown in the drawing.
【００３１】上記の吸引管部４は、略円錐状に形成した
外管体４Ｖと、この外管体４Ｖの内部に間隔をあけて設
けた同じく略円錐状の内筒体５とによって構成されてい
て、内外二重に構成した内筒体５と外管体４Ｖの間隔
が、流入通路２Ｘに連通する略円錐状の風路４Ｒを構成
する一方、この風路４Ｒの下端口１４Ｔが上記機体１の
上面内側に開口されている。The above-mentioned suction pipe section 4 is composed of an outer tube 4V formed in a substantially conical shape, and an inner tube 5 also having a substantially conical shape provided at intervals inside the outer tube 4V. The space between the inner tube body 5 and the outer tube body 4V, which are formed as a double inner and outer tube, constitutes a substantially conical air passage 4R communicating with the inflow passage 2X, while the lower end port 14T of the air passage 4R is It is opened inside the upper surface of the body 1.
【００３２】更に図中、１７は濾過式の集塵機（図示せ
ず）に通じる排気ダクトであって、機体３内に取付けた
この排気ダクト１７の上端口１７Ｘが、上記内筒体５の
大きく開口した下端口１５Ｔの内部に向けて狭い間隔を
保って同軸的に突出されていて、この狭い間隔が略Ｓ字
状（図面では逆Ｓ字状）の迂回通路１５Ｔ′を構成して
いる。Further, in the drawing, reference numeral 17 denotes an exhaust duct leading to a filtration type dust collector (not shown). The upper end 17X of the exhaust duct 17 mounted in the body 3 has a large opening in the inner cylinder 5. The lower end port 15T is coaxially protruded toward the inside of the lower end port 15T with a small space therebetween, and the narrow space forms a substantially S-shaped (inverted S-shaped in the drawing) bypass passage 15T '.
【００３３】同じく図５に於いて、３Ｘは上記機体３の
内底部分に設けたミスト・ダストＭを回収するための密
閉型のダストボックス、１６は上記吸引管部４の外管体
４Ｖの下端口に連続するように、機体３の上面口を下方
に屈曲して構成した円形ガイド（第２外管体）、１７Ａ
は上記排気ダクト１７の上端口１７Ｘを円形ガイド１６
に向けて斜め下方に屈折することによって構成した円錐
ガイドで、１６Ｈはこれ等円形ガイド１６と円錐ガイド
１７Ａによって構成された上記風路４Ｒの下端口４Ｔに
通じるポケット部、１６Ｔは円錐ガイド１７Ａの下端１
７Ｓと円形ガイド１６との間の狭い落下通路であって、
風路４Ｒの下端口１４Ｔから旋回しながら落ちて来るミ
スト・ダストは、ポケット部１６Ｈを通ってこの狭い落
下通路１６Ｔから下側のダストボックス３Ｘに落下・回
収される仕組に成っている。In FIG. 5, reference numeral 3X denotes a sealed dust box provided at the inner bottom of the body 3 for collecting mist dust M. Reference numeral 16 denotes a lower part of the outer tube 4V of the suction tube 4. A circular guide (second outer tube) configured by bending the upper surface opening of the body 3 downward so as to be continuous with the end opening, 17A
Is connected to the circular guide 16 at the upper end 17X of the exhaust duct 17.
16H is a conical guide formed by being bent obliquely downward, and 16H is a pocket portion communicating with the lower end port 4T of the air path 4R formed by the circular guide 16 and the conical guide 17A, and 16T is a conical guide 17A. Lower end 1
A narrow drop passage between 7S and the circular guide 16,
The mist dust falling while turning from the lower end opening 14T of the air passage 4R passes through the pocket portion 16H and falls and is collected from the narrow falling passage 16T to the lower dust box 3X.
【００３４】尚、上記本発明の案内羽根１を取付けた部
分の流入通路２Ｘの実質通過可能面積をＳ1とし、風路
４Ｒの下端口４Ｔの実質通過可能面積をＳ2とし、更
に、排気ダクト１７の上端口１７Ｘと内筒体５の下端口
５Ｔとの間隔と、排気ダクト１７の上端内部１７Ｈの各
実質通過可能面積を夫々Ｓ3，Ｓ4とした場合に、これ等
の各関係はＳ1≦Ｓ2≦Ｓ3≦Ｓ4となるように構成され、
その結果は、各部の流速はＶ1≧Ｖ2≧Ｖ3≧Ｖ4と成るよ
うに構成されていて、本来滞溜してはならない箇所に於
ける含塵気体の滞溜を無くして、ミスト・ダストの必要
以上の落下滞溜を防止する一方、上述したポケット部１
６Ｈに流出するミスト・ダストが空気流によって排気ダ
クト１７側に押し流されないように工夫されている。[0034] Incidentally, substantially passable area of the inlet passage 2X mounting portion of the guide vanes 1 of the present invention as S 1, and S 2 a substantially passable area of the lower end opening 4T air duct 4R, further, the exhaust when the distance between the lower end opening 5T of the upper end opening 17X and inner cylinder 5 of the duct 17, the upper end each substantially passable area of the internal 17H respectively S 3, S 4 of the exhaust duct 17, which like the relationship Is configured to satisfy S 1 ≦ S 2 ≦ S 3 ≦ S 4 ,
As a result, the flow rate of each part is configured so that V 1 ≧ V 2 ≧ V 3 ≧ V 4, and the accumulation of the dust-containing gas in the place where the accumulation should not normally occur is eliminated.・ While preventing unnecessarily falling and accumulating dust, the pocket portion 1 described above is used.
Mist dust flowing into 6H is devised so as not to be swept toward the exhaust duct 17 by the air flow.
【００３５】また、ＭＲ…は本発明の案内羽根１によっ
て円周方向に旋回された状態で略円錐状の風路４Ｒの外
壁に沿って下方に進行する質量のあるミスト・ダスト、
ＭＬ…は同じく風路４Ｒの内壁に沿って下方に進行する
質量の少い又は無いミスト・ダストであって、遠心力を
受けて風路４Ｒの外壁に沿って旋回しながら図面上下側
方向に進行する質量のあるミスト・ダストＭＲ…は、風
路４Ｒの下端口１４Ｔを出た後、慣性力によって第２外
管体となる円形ガイド１６の内壁に沿って旋回しながら
狭い落下通路１６Ｔを通って機体３内に入り、ここで失
速して下側のダストボックス３Ｘ内に落下、回収される
仕組に成っている。MR is a mist dust having a large mass that travels downward along the outer wall of the substantially conical air passage 4R while being swirled in the circumferential direction by the guide blade 1 of the present invention.
ML... Are mist dusts of low or no mass that also travel downward along the inner wall of the air path 4R, and turn in the vertical direction in the drawing while turning along the outer wall of the air path 4R under centrifugal force. After traveling through the lower end 14T of the air passage 4R, the mist dust MR having advancing mass moves along the inner wall of the circular guide 16 serving as the second outer tubular body by inertial force to form a narrow falling passage 16T. After passing through the fuselage 3, the vehicle is stalled and falls into the lower dust box 3X to be collected.
【００３６】図６は、本発明に係る旋回流案内羽根１を
粉粒体分離排出装置に用いた場合の構成を説明した断面
図であって、回収ケース体２２の傾斜ガイド面２２Ｘか
ら上向きに挿入した導入管２１の先端口２１Ｘａは、排
出ダクト２２Ｓに向けて傾斜ガイド面２２Ｘの傾斜角度
（例えば上面２２Ａに対して６０°程度）より少し緩や
かな傾斜角度（例えば４５°程度）、又は、傾斜ガイド
面２２Ｘと同様の傾斜角度で斜め下方に傾斜するように
構成されていて、本発明の案内羽根１は図示したように
上記導入管２１の内部通路２１Ｒに取付けられている。FIG. 6 is a cross-sectional view illustrating a configuration in which the swirling flow guide blade 1 according to the present invention is used in a powdery material separating / discharging device, and is directed upward from the inclined guide surface 22X of the recovery case 22. The distal end port 21Xa of the inserted introduction pipe 21 has a slightly gentler inclination angle (eg, about 45 °) than the inclination angle (eg, about 60 ° with respect to the upper surface 22A) of the inclined guide surface 22X toward the discharge duct 22S, or The guide vane 1 of the present invention is configured to be inclined obliquely downward at the same inclination angle as the inclined guide surface 22X, and is attached to the internal passage 21R of the introduction pipe 21 as shown in the figure.
【００３７】そして、上記の排気管２３から吸引力を受
けて導入管２１の内部通路２１Ｒに導入された粉粒体を
含んだ気流は、この案内羽根１によって円周方向に旋回
しながら上方に向かって進行するが、この時、質量のあ
る粉粒体ＭＲ…は旋回遠心力によって気流から分離され
て導入管２１の内壁面に沿って旋回しながら上方に進行
し、導入管２１と排気管２３との間隔２２Ｒを通って斜
めにカットされた先端口２１Ｘａから回収ケース体２２
の内部２２Ｈに流入して、直接又は傾斜ガイド面２２Ｘ
上を滑って排出ダクト２２Ｓ側に排出・回収される。Then, the air flow containing the powdered and granular material introduced into the internal passage 21R of the introduction pipe 21 by receiving the suction force from the exhaust pipe 23 turns upward while rotating in the circumferential direction by the guide blades 1. At this time, the mass particles MR... Are separated from the airflow by the swirling centrifugal force, and advance upward while swirling along the inner wall surface of the introduction pipe 21. From the distal end opening 21Xa cut obliquely through the space 22R with the collecting case body 22
Flows into the interior 22H of the shaft and directly or inclines the guide surface 22X.
It is discharged and collected on the discharge duct 22S side by sliding on the top.
【００３８】一方、質量のある粉粒体ＭＲ…が分離され
た気流は、導入管２１の中央寄りを旋回しながら進行し
て、そのまま先端口２３Ｂから排気管２３側に吸引され
て外部に排気される仕組に成っている。On the other hand, the air flow from which the massive powder particles MR are separated moves while turning near the center of the introduction pipe 21, and is sucked from the front end port 23B toward the exhaust pipe 23 to be exhausted to the outside. It is a mechanism to be done.
【００３９】[0039]
【発明の効果】以上述べた次第で、本発明に係る旋回流
案内羽根によれば、高い分離効率を発揮できると同時
に、圧力損失を少くできる理想的な機能を発揮できるた
め、これを集塵装置に用いた場合には、含塵気流中より
ミスト・ダストや金属粉と云ったダスト類を効率良く分
離して捕集でき、また、これをプレダスト分離器に使用
した場合には、含塵気流中より火災の原因となるヒュー
ム粉塵（火花粉塵）やミスト・ダストを適格に分離捕集
できると共に、更にこれを粉粒体分離排出装置に用いた
場合には、高圧輸送装置によって輸送される粉粒体を輸
送管から分離して回収することができるものであって、
その効果は絶大である。As described above, according to the swirling flow guide blade according to the present invention, high separation efficiency can be exhibited, and at the same time, an ideal function of reducing pressure loss can be exhibited. When used in equipment, dust such as mist dust and metal powder can be efficiently separated and collected from the dust-containing air stream, and when used in a pre-dust separator, Fume dust (spark dust) and mist dust that cause fire from the air stream can be separated and collected appropriately, and when this is used for the particulate separation and discharge device, it is transported by a high-pressure transport device. It is possible to separate and collect the powder from the transport pipe,
The effect is enormous.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明に係る旋回流案内羽根の側面図である。FIG. 1 is a side view of a swirling flow guide blade according to the present invention.
【図２】同じく正面図である。FIG. 2 is a front view of the same.
【図３】同じく背面図である。FIG. 3 is a rear view of the same.
【図４】本発明に係る旋回流案内羽根を実施した集塵装
置の断面図である。FIG. 4 is a cross-sectional view of a dust collector in which the swirling flow guide blade according to the present invention is implemented.
【図５】本発明に係る旋回流案内羽根を実施したプレダ
スト分離器の断面図である。FIG. 5 is a cross-sectional view of a pre-dust separator implementing the swirling flow guide blade according to the present invention.
【図６】本発明に係る旋回流案内羽根を実施した粉粒体
分離排出装置の断面図である。FIG. 6 is a sectional view of a granular material separation / discharge device in which the swirling flow guide blade according to the present invention is implemented.
１ 旋回流案内羽根 １Ａ ボス １Ｂ 案内羽根 １Ｂ１ 先端部 １Ｂ２ 終端部 1 swirling flow guide blade 1A boss 1B guide blade 1B1 tip 1B2 end
Claims (5)
対して螺旋状に傾斜させて取付けることにより、軸線方
向に流れる気流に旋回運動を生じさせる旋回流案内羽根
であって、 上記の各案内羽根の傾斜角度を、軸線に対して入口側の
先端部角度を最もきつく、出口側の終端部角度を最も緩
やかに構成して、これ等先端部と終端部の間を入口の方
向に緩やかに脹らむ曲線で結んだ形状に構成したことを
特徴とする旋回流案内羽根。1. A swirling flow guide blade, wherein a plurality of guide blades are helically inclined with respect to an axis and attached to a peripheral surface of a boss to generate a swirling motion in an airflow flowing in an axial direction. The angle of inclination of each guide vane is set so that the tip angle on the inlet side with respect to the axis is the sharpest, and the end angle on the outlet side is the gentlest. The swirling flow guide vanes are formed in a shape connected by a curve that gently expands.
根の先端部から終端部に至るまでの角度αが、軸線に対
して約１０°〜９０°の範囲で順次なめらかに結んだ曲
線状に変化するように構成したことを特徴とする請求項
１記載の旋回流案内羽根。2. The angle α from the leading end to the trailing end of each of the plurality of guide blades attached to the peripheral surface of the boss is smoothly connected in order within a range of about 10 ° to 90 ° with respect to the axis. The swirl guide vane according to claim 1, wherein the swirl guide vane is configured to change in a curved shape.
を、流体の流れ方向から見てその先端部と他の案内羽根
の終端部とが互いに重ならない形状に構成したことを特
徴とする請求項１記載の旋回流案内羽根。3. Each of the guide blades mounted on the peripheral surface of the boss is formed in such a shape that a tip end thereof and a terminal end of another guide blade do not overlap each other when viewed from the fluid flow direction. The swirl guide vane according to claim 1.
を、各先端部に丸みを付け、終端部に至るに従ってその
肉厚を次第に薄くして、終端部を薄いエッジ状に構成し
たことを特徴とする請求項１記載の旋回流案内羽根。4. Each of the guide blades attached to the peripheral surface of the boss has a rounded end, and its thickness is gradually reduced as it reaches the end, so that the end has a thin edge shape. The swirl flow guide vane according to claim 1, wherein:
を、ボスセンターから少し外れた偏心位置に取付けたこ
とを特徴とする請求項１記載の旋回流案内羽根。5. The swirling flow guide blade according to claim 1, wherein each guide blade mounted on the peripheral surface of the boss is mounted at an eccentric position slightly deviated from the boss center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24950497A JP3445108B2 (en) | 1997-08-29 | 1997-08-29 | Swirling flow guide vanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24950497A JP3445108B2 (en) | 1997-08-29 | 1997-08-29 | Swirling flow guide vanes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1183151A true JPH1183151A (en) | 1999-03-26 |
| JP3445108B2 JP3445108B2 (en) | 2003-09-08 |
Family
ID=17193957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24950497A Expired - Fee Related JP3445108B2 (en) | 1997-08-29 | 1997-08-29 | Swirling flow guide vanes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3445108B2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010201280A (en) * | 2009-02-27 | 2010-09-16 | Kawata Mfg Co Ltd | Cyclone device |
| US20180361290A1 (en) * | 2015-12-17 | 2018-12-20 | Usui Co., Ltd. | Gas-liquid separator |
| CN110631059A (en) * | 2019-10-08 | 2019-12-31 | 深圳市三利来智能厨业股份有限公司 | Damp-proof insulating radiationless device of induction cooker |
| KR20200066663A (en) | 2017-10-25 | 2020-06-10 | 우수이 고쿠사이 산교 가부시키가이샤 | Gas-liquid separator |
| US10881996B2 (en) | 2015-12-17 | 2021-01-05 | Usui Co., Ltd. | Swirling flow generator for gas-liquid separation |
| KR20210015340A (en) * | 2019-08-01 | 2021-02-10 | 주식회사 엘지화학 | Axial flow cyclone apparatus |
| KR20210015339A (en) * | 2019-08-01 | 2021-02-10 | 주식회사 엘지화학 | Axial flow cyclone apparatus |
| JPWO2020174660A1 (en) * | 2019-02-28 | 2021-09-13 | 三菱電機株式会社 | Gas-liquid separator and refrigeration cycle equipment |
| US11179662B2 (en) * | 2016-12-08 | 2021-11-23 | Usui Co., Ltd | Gas-liquid separator |
-
1997
- 1997-08-29 JP JP24950497A patent/JP3445108B2/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010201280A (en) * | 2009-02-27 | 2010-09-16 | Kawata Mfg Co Ltd | Cyclone device |
| US20180361290A1 (en) * | 2015-12-17 | 2018-12-20 | Usui Co., Ltd. | Gas-liquid separator |
| US10828590B2 (en) * | 2015-12-17 | 2020-11-10 | Usui Co., Ltd. | Gas-liquid separator |
| US10881996B2 (en) | 2015-12-17 | 2021-01-05 | Usui Co., Ltd. | Swirling flow generator for gas-liquid separation |
| US11179662B2 (en) * | 2016-12-08 | 2021-11-23 | Usui Co., Ltd | Gas-liquid separator |
| KR20200066663A (en) | 2017-10-25 | 2020-06-10 | 우수이 고쿠사이 산교 가부시키가이샤 | Gas-liquid separator |
| US11313330B2 (en) | 2017-10-25 | 2022-04-26 | Usui Co., Ltd. | Gas-liquid separator |
| JPWO2020174660A1 (en) * | 2019-02-28 | 2021-09-13 | 三菱電機株式会社 | Gas-liquid separator and refrigeration cycle equipment |
| KR20210015340A (en) * | 2019-08-01 | 2021-02-10 | 주식회사 엘지화학 | Axial flow cyclone apparatus |
| KR20210015339A (en) * | 2019-08-01 | 2021-02-10 | 주식회사 엘지화학 | Axial flow cyclone apparatus |
| CN110631059A (en) * | 2019-10-08 | 2019-12-31 | 深圳市三利来智能厨业股份有限公司 | Damp-proof insulating radiationless device of induction cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3445108B2 (en) | 2003-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6802881B2 (en) | Rotating wave dust separator | |
| AU758453B2 (en) | Device for reducing pressure loss of cyclone dust collector | |
| CN101184423B (en) | Cyclonic separating apparatus | |
| US8097057B2 (en) | Particle separator | |
| JP2002503541A (en) | Purification device | |
| US20030150198A1 (en) | Filterless folded and ripple dust separators and vacuum cleaners using the same | |
| JP3832852B2 (en) | Device for separating solid or liquid particles from a gas stream | |
| CN101489460A (en) | Cyclonic separating apparatus | |
| TW201124105A (en) | Electric cleaner | |
| JP2003112082A (en) | Cyclone dust collecting device | |
| JPH1183151A (en) | Spiral flow guide vane | |
| US5505756A (en) | Ramp discharge outlet air precleaner | |
| US7070637B1 (en) | Apparatus for separating particles from a fluid | |
| US20040139709A1 (en) | Dynamic transfer chamber separator | |
| CN108289583A (en) | Cyclone type dust collecting apparatus | |
| BG61299B1 (en) | Device for multicomponent fluids separation | |
| KR102638412B1 (en) | Separation system for vacuum cleaner and vacuum cleaner including separation system | |
| JP4159843B2 (en) | Vacuum cleaner | |
| JPH10235123A (en) | Pre-dust separator | |
| US20030167741A1 (en) | Combined toroidal and cylindrical vortex dust separator | |
| CN109224644A (en) | Axial-flow type dust-extraction unit and method | |
| CN210079048U (en) | Cyclone double-pipe dust collector for shot blasting machine | |
| CN220045771U (en) | Axial flow cyclone separator, dust and dirt separator and vehicle-mounted dust collector | |
| CN109363577A (en) | Dust catcher and vortex separator | |
| CN212237796U (en) | Multi-tube cyclone dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080627 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090627 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100627 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100627 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110627 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120627 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120627 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130627 Year of fee payment: 10 |
|
| LAPS | Cancellation because of no payment of annual fees |