JPH0788402A - Sprinkling nozzle - Google Patents
Sprinkling nozzleInfo
- Publication number
- JPH0788402A JPH0788402A JP23454493A JP23454493A JPH0788402A JP H0788402 A JPH0788402 A JP H0788402A JP 23454493 A JP23454493 A JP 23454493A JP 23454493 A JP23454493 A JP 23454493A JP H0788402 A JPH0788402 A JP H0788402A
- Authority
- JP
- Japan
- Prior art keywords
- umbrella
- umbrella member
- spray nozzle
- members
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Nozzles (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は散布ノズルに関するもの
で、より具体的には液体、粉粒体またはスラリー等を分
散供給するのに適した散布ノズルに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spraying nozzle, and more particularly to a spraying nozzle suitable for dispersing and supplying a liquid, powdery particles or slurry.
【０００２】[0002]
【従来の技術】従来粉体などを広範囲に分散供給するノ
ズルとしては特開昭６３−５９３６６号公報に示された
ような粉体噴霧用ノズルが知られている。2. Description of the Related Art Conventionally, as a nozzle for widely dispersing powder and the like, there is known a nozzle for spraying powder as shown in JP-A-63-59366.
【０００３】このノズルはノズル本体の中心に粉体噴出
用の第１の噴出孔を形成するとともに、その第１の噴出
孔の周囲に圧縮空気噴出用の第２の噴出孔を複数個形成
し、その第２の噴出孔を、その中心軸が第１の噴出孔の
中心軸を含む平面に対して交差するように傾斜させると
ともにその交差点がノズル本体の外方位置となるように
傾斜させたのである。In this nozzle, a first ejection hole for ejecting powder is formed in the center of the nozzle body, and a plurality of second ejection holes for ejecting compressed air are formed around the first ejection hole. , The second ejection hole is inclined so that its central axis intersects with the plane including the central axis of the first ejection hole, and the intersection is inclined to the outer position of the nozzle body. Of.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記公
知の粉体噴霧用ノズルは粉体の噴出孔が中心の一ヶ所で
あるため単位時間内における噴霧量が比較的少ない。ま
た、粉体は高圧空気の衝撃力によって分散するため、そ
の粉体の分散角度を大きくしようとすると極めて高圧な
圧縮空気を噴出させる必要があり経済効率が悪く、また
比較的比重の大きな粒体の散布などには適用することが
できない。However, in the above-mentioned known powder spraying nozzle, the spraying hole of the powder is located at the center, so that the spraying amount per unit time is relatively small. In addition, since powder is dispersed by the impact force of high-pressure air, it is necessary to eject extremely high-pressure compressed air if the dispersion angle of the powder is to be made large, which is not economically efficient and granules with a relatively large specific gravity. Can not be applied to the application of.
【０００５】更にまた、この公知のノズル構造を粘性
物、例えばスラリーの散布に使用した場合にはそのスラ
リーの噴出孔が比較的小さいため、使用後の清掃を十分
に行わないとスラリーの乾燥によりその噴出孔が閉塞さ
れてしまうと言った問題が生じる。Furthermore, when this known nozzle structure is used for spraying a viscous material, for example, a slurry, the ejection holes of the slurry are relatively small. There arises a problem that the ejection hole is blocked.
【０００６】本願発明は上記のような問題点に鑑みてな
されたもので、その目的は噴出孔の開口部を大きくして
単位時間内における散布量を多くすることができるとと
もにスラリーのような粘性物によって噴出孔が容易に閉
塞されることなく、また比較的比重の大きな粒体なども
効率よく広範囲に分散できる散布ノズルを提供するもの
である。The present invention has been made in view of the above problems, and its purpose is to enlarge the opening of the ejection hole to increase the amount of spray in a unit time and to increase the viscosity like slurry. An object of the present invention is to provide a spray nozzle in which the ejection holes are not easily blocked by a substance and particles having a relatively large specific gravity can be efficiently dispersed in a wide range.
【０００７】[0007]
【課題を解決するための手段】上記の目的を達成するた
め、本願発明では加圧流体源に接続されてこの流体を散
布する散布ノズルにおいて、流体の上流側から下流側に
向けて外側に傾斜した斜面を有するとともに軸方向に開
口部を形成してなる複数個の傘部材を軸方向に分離配設
し、下流側の傘部材の開口部を上流側の傘部材の開口部
よりも小さく形成してなるのである。To achieve the above object, in the present invention, in a spray nozzle connected to a pressurized fluid source and spraying this fluid, the fluid is inclined outward from the upstream side to the downstream side. A plurality of umbrella members each having an inclined surface and forming an opening in the axial direction are separately arranged in the axial direction, and the opening of the downstream umbrella member is formed smaller than the opening of the upstream umbrella member. It will be done.
【０００８】好ましくは、前記傘部材を円錐台形状また
は角錐台形状に形成するとか、或いは傘部材の斜面が球
面部を有するようにすることである。Preferably, the umbrella member is formed in a truncated cone shape or a truncated pyramid shape, or the inclined surface of the umbrella member has a spherical surface portion.
【０００９】また、好ましくは、前記複数個の傘部材の
うちの少なくとも一つの傘部材の斜面が周方向において
均一な傾斜角度でないようにすることである。It is also preferable that at least one umbrella member of the plurality of umbrella members does not have an inclined surface with a uniform inclination angle in the circumferential direction.
【００１０】更に好ましくは、前記複数個の傘部材が最
上流側の傘部材よりも大径の管体の先端部に支承され、
最上流側の傘部材の外周と管体の先端部との間に環状の
空隙が形成されるようにすることである。More preferably, the plurality of umbrella members are supported on the tip end of a pipe having a diameter larger than that of the upstreammost umbrella member,
This is to form an annular gap between the outer circumference of the upstreammost umbrella member and the tip of the tubular body.
【００１１】[0011]
【作用】加圧流体を本発明のノズルに供給すると、その
流体の一部は上流側の傘部材の斜面に衝突してその斜面
によって反射して傘部材の径方向外側に散布される。上
記の流体のその他の部分は上流側の傘部材の軸方向の開
口部から下流側の傘部材に至り、その一部は下流側の傘
部材の斜面に衝突してその斜面により反射して、前記の
場合と同様に傘部材の径方向外側に散布される。下流側
の傘部材に衝突しなかった残りの流体は下流側の傘部材
の軸方向の開口を通ってそのまま軸方向に排出される。When the pressurized fluid is supplied to the nozzle of the present invention, a part of the fluid collides with the slope of the upstream umbrella member, is reflected by the slope and is sprayed outward in the radial direction of the umbrella member. The other part of the fluid reaches the downstream umbrella member from the axial opening of the upstream umbrella member, and a part thereof collides with the slope of the downstream umbrella member and is reflected by the slope. As in the case described above, it is sprayed on the radially outer side of the umbrella member. The remaining fluid that has not collided with the downstream umbrella member is discharged axially as it is through the axial opening of the downstream umbrella member.
【００１２】例えば、加圧流体として圧縮空気を使用
し、これで粉粒体を本発明のノズルに供給した場合、傘
部材として円錐台形状のもの或いはその斜面が球面状部
を有するものを用いた場合には、傘部材に衝突した粉粒
体は平面円形に散布されるため、平面円形の空間内、例
えば貯蔵室とか混合室に散布するのに適している。一
方、平面矩形の貯蔵室とか混合室に散布する場合には角
錐台形状の傘部材を用いることが好ましい。また、貯蔵
室とか混合室の平面形状がその中心から同心状に広がっ
てない場合には傘部材の斜面の傾斜角度が貯蔵室等の形
状に対応して変化するものを用いることが好ましい。For example, when compressed air is used as the pressurized fluid and the powder or granules are supplied to the nozzle of the present invention, the umbrella member having a truncated cone shape or a sloped surface thereof having a spherical portion is used. In such a case, since the powder particles that have collided with the umbrella member are scattered in a plane circular shape, they are suitable for being dispersed in a plane circular space, for example, a storage chamber or a mixing chamber. On the other hand, it is preferable to use a truncated pyramid-shaped umbrella member in the case of spraying to a flat rectangular storage chamber or a mixing chamber. Further, when the planar shape of the storage chamber or the mixing chamber does not spread concentrically from the center thereof, it is preferable to use the umbrella member whose inclination angle changes depending on the shape of the storage chamber or the like.
【００１３】[0013]
【実施例】以下、本発明の一実施例を図面を用いて詳細
に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.
【００１４】図１は本発明のノズルを適用したセメン
ト、モルタル等の混合機の一例を示している。図におい
て、１は混合機であって，その上部にはセメント単体ま
たはセメントと砂あるいは砂利などの原材料の供給口２
が開口され、またその側部には水供給パイプ３が連結さ
れている。また、混合機１の内部には一対の回転翼が配
設され、供給口２を通して混合機１内に供給されたセメ
ント、砂あるいは砂利を水供給パイプ３からの水と混練
するようになっている。FIG. 1 shows an example of a mixer for cement, mortar, etc. to which the nozzle of the present invention is applied. In the figure, 1 is a mixer, and an upper part thereof is a supply port 2 for cement alone or cement and raw materials such as sand or gravel.
Is opened, and a water supply pipe 3 is connected to the side thereof. Further, a pair of rotary blades are arranged inside the mixer 1, so that the cement, sand or gravel supplied into the mixer 1 through the supply port 2 is kneaded with the water from the water supply pipe 3. There is.
【００１５】混合機１内には本発明の散布ノズル４が設
けられ、このノズル４はセメント混和材を混合機内に散
布するもので、圧送パイプ５を介して昇圧ポット６と接
続されている。昇圧ポット６は計量器７から排出された
混和材を受け入れる自動ダンパー８、払い出しのための
自動ダンパー９、圧縮空気を供給する自動弁１０、設定
圧力を検知する圧力センサー１１からなる。The spraying nozzle 4 of the present invention is provided in the mixer 1, and the nozzle 4 sprays the cement admixture into the mixer, and is connected to the pressurizing pot 6 via the pressure feeding pipe 5. The pressurizing pot 6 includes an automatic damper 8 for receiving the admixture discharged from the weighing device 7, an automatic damper 9 for discharging, an automatic valve 10 for supplying compressed air, and a pressure sensor 11 for detecting a set pressure.
【００１６】図２は本発明の散布ノズル４の第１実施例
を示し、この散布ノズル４はその上端に前記圧送パイプ
５に接続される管体１２を有し、その管体１２と同心上
にその下方には複数の傘部材１３ａ〜１３ｃが分離配設
され、これらの傘部材１３ａ〜１３ｃは管体１２の外周
から周方向に間隔を置いて下方に延長する複数本のロッ
ド状支承材１４によってその外周部を支承されている。FIG. 2 shows a first embodiment of the spray nozzle 4 of the present invention. The spray nozzle 4 has a pipe body 12 connected to the pressure feeding pipe 5 at its upper end, and is concentric with the pipe body 12. A plurality of umbrella-shaped support members 13a to 13c are separately disposed below the plurality of rod-shaped support members 13a to 13c, which extend downward from the outer circumference of the tubular body 12 at circumferential intervals. Its outer peripheral portion is supported by 14.
【００１７】この実施例では傘部材は３個上下に分離し
て配設され、各傘部材１３は軸方向に開口部１５を有し
上方から下方に向けて傾斜した斜面１６を有する円錐台
形状となっている。これら３個の傘部材の外径は下方の
ものほど小径となっていて、その開口部の径も下方のも
のほど徐々に小径となっている。In this embodiment, three umbrella members are vertically separated, and each umbrella member 13 has a truncated cone shape having an opening 15 in the axial direction and an inclined surface 16 inclined from the upper side to the lower side. Has become. The outer diameters of these three umbrella members are smaller toward the bottom, and the diameters of the openings are gradually smaller toward the bottom.
【００１８】本発明の上記散布ノズルを用いて混和材を
混合機１内に散布する方法について説明する。先ず、混
和材を計量器７により計量した後、自動ダンパー８を開
き昇圧ポット６内に供給する。次いで、自動ダンパー８
を閉じた後、自動弁１０を開き、圧縮空気を昇圧ポット
６内に送り込む。昇圧ポット６内の圧力が設定圧力に到
達したら、これを圧力センサー１１が検知し自動弁１０
を閉じる。次に自動バルブ９を開けると昇圧ポット６内
の混和材は圧縮空気の膨張により圧送パイプ５内に送ら
れ、散布ノズル４より混合機１内に散布される。A method of spraying the admixture in the mixer 1 using the spray nozzle of the present invention will be described. First, the admixture is weighed by the weighing device 7, and then the automatic damper 8 is opened to supply it into the boost pot 6. Next, automatic damper 8
After closing, the automatic valve 10 is opened and the compressed air is sent into the pressure rising pot 6. When the pressure in the pressure rising pot 6 reaches the set pressure, the pressure sensor 11 detects this and the automatic valve 10
Close. Next, when the automatic valve 9 is opened, the admixture in the pressurizing pot 6 is sent into the pressure feed pipe 5 by the expansion of compressed air, and is sprayed from the spray nozzle 4 into the mixer 1.
【００１９】散布ノズル４内では、図２に示すように、
圧縮空気で送られてきた混和材の一部は最上段（最上
流）の傘部材１３ａの傾斜面１６に衝突して傾斜面の角
度に対応した角度に反射され、外方に散布される。残り
の混和材は最上段の傘部材１３の軸方向の開口部１５を
通って第２段目の傘部材１３ｂに至る。第２段目の傘部
材の開口部１５は第１段目の傘部材１３ａの開口部より
も小さいため、第１段目の傘部材の開口部を通って第２
段目の傘部材に至った混和材の一部は第２段目の傘部材
の傾斜面に衝突してこれによって反射されて外方へ散布
される。その他の残りの混和材は第３段目の傘部材１３
ｃに至り、ここで前記の場合と同様に反射されて外方に
散布される。そして、上記の３つの傘部材の傾斜面１６
によって反射されなかった残りの混和材は、第３段目の
傘部材の開口部を通って真っ直ぐその下方の混合機１内
に送られる。傘部材間の間隙は下方の傘部材の傾斜面で
反射した被散布物が上方の傘部材に衝突しないように十
分な間隔をとる。In the spray nozzle 4, as shown in FIG.
A part of the admixture sent by compressed air collides with the inclined surface 16 of the uppermost (upstream) umbrella member 13a, is reflected at an angle corresponding to the angle of the inclined surface, and is scattered outward. The remaining admixture passes through the axial opening 15 of the uppermost umbrella member 13 and reaches the second umbrella member 13b. Since the opening 15 of the umbrella member of the second stage is smaller than the opening of the umbrella member 13a of the first stage, the opening 15 of the umbrella member of the first stage passes through the opening 15
A part of the admixture that reaches the umbrella member of the second stage collides with the inclined surface of the umbrella member of the second stage, is reflected by this, and is scattered outward. The other remaining admixtures are the third stage umbrella member 13
c, where it is reflected and scattered outward as in the previous case. Then, the inclined surfaces 16 of the above three umbrella members
The remaining admixture that is not reflected by is passed straight through the opening of the third stage umbrella member into the mixer 1 below it. The gap between the umbrella members is sufficiently large so that the material to be scattered reflected on the inclined surface of the lower umbrella member does not collide with the upper umbrella member.
【００２０】上記の混和材のような材料を分散させる範
囲は、円錐台形状傘部材の開口部１５の口径と斜面１６
の傾斜角度、圧縮空気の量及び圧力により調節すること
が可能である。傘部材の斜面の傾斜角度は、材料の軸方
向進行方向に対して１０度〜８０度が好ましい。この角
度が１０度より小さいと材料の分散効果が小さくなり、
また８０度を越えると材料の排出が困難になり、その結
果分散効果が小さくなる。また、圧縮空気の圧力は大き
いほど分散範囲を大きくすることができるが、７ｋｇ／
ｃｍ2 以下であることが設備管理上望ましい。圧縮空気
の供給は連続供給でもよいが、上記実施例の場合、好ま
しくは、昇圧ポット６を規定圧力に昇圧するだけの量を
間欠供給するのが圧縮空気の使用量を削減できるため望
ましい。The range in which the materials such as the above admixture are dispersed is the diameter of the opening 15 and the slope 16 of the truncated cone-shaped umbrella member.
It is possible to adjust by the inclination angle, the amount of compressed air and the pressure. The inclination angle of the slope of the umbrella member is preferably 10 degrees to 80 degrees with respect to the axial traveling direction of the material. If this angle is less than 10 degrees, the dispersion effect of the material becomes small,
If it exceeds 80 degrees, it becomes difficult to discharge the material, and as a result, the dispersion effect becomes small. Also, the greater the compressed air pressure, the greater the dispersion range, but 7 kg /
It is desirable in terms of facility management that it is not more than cm 2 . The compressed air may be supplied continuously, but in the case of the above embodiment, it is preferable to intermittently supply an amount enough to pressurize the pressurizing pot 6 to the specified pressure because the amount of compressed air used can be reduced.
【００２１】図３は本発明の第２実施例にかかる散布ノ
ズルを示し、この実施例では傘部材１７ａ〜１７ｃのそ
れぞれの傾斜面１８の角度が周方向において均一でない
変形円錐台形状で、またその開口部１９の中心が上方の
管体１２の中心に対して偏心している。その他の構成は
第１実施例の場合と実質的に同じである。FIG. 3 shows a spray nozzle according to a second embodiment of the present invention. In this embodiment, the inclined surfaces 18 of the umbrella members 17a to 17c have a deformed truncated cone shape in which the angles are not uniform in the circumferential direction. The center of the opening 19 is eccentric with respect to the center of the upper tubular body 12. The other structure is substantially the same as that of the first embodiment.
【００２２】前記第１実施例の場合には被散布物を円筒
形の容器内その中心位置から均一に散布するのに適して
いるが、第二実施例の場合には円筒容器内の中心位置に
散布ノズルを設置することができず中心位置から偏心し
た位置に散布ノズルを取り付けなければならない場合と
か、被円筒形容器、例えば楕円形容器内に散布するノズ
ルとして適している。In the case of the first embodiment, it is suitable for uniformly spraying the object to be scattered from the central position in the cylindrical container, but in the second embodiment, the central position in the cylindrical container. It is suitable for the case where the spraying nozzle cannot be installed in and the spraying nozzle has to be attached at a position eccentric from the center position, or as a nozzle for spraying in a cylindrical container, for example, an elliptical container.
【００２３】本発明を構成する傘部材の形状は上記実施
例に限られるものでなく、角錐台形状とかその斜面の一
部を球面状にしたものを使用することができる。角錐台
形状の傘部材は被分散物を収納する部屋が平面矩形の場
合に適しおり、球面状の斜面を有する傘部材の場合には
分散角度を大きくとることができる。The shape of the umbrella member constituting the present invention is not limited to the above-mentioned embodiment, and a truncated pyramid shape or a part of the sloped surface thereof may be spherical. The truncated pyramid-shaped umbrella member is suitable when the room for storing the object to be dispersed has a flat rectangular shape, and in the case of the umbrella member having a spherical slope, a large dispersion angle can be obtained.
【００２４】なお、本発明は上記の実施例に限られるも
のでなく、種々の変更が可能である。例えば、傘部材の
開口部の形状は平面円形でなく楕円形でも良い。また傘
部材の数は３個に限られるものでなく、複数個であれば
何個あってもよい。また、被散布物は粉粒体に限られ
ず、液体またはスラリーのようなものであってもよい。
また、被散布室については上記のような混合機に限られ
ず、サイロのような貯蔵室でもよい。The present invention is not limited to the above embodiment, but various modifications can be made. For example, the shape of the opening of the umbrella member may be an elliptical shape instead of a flat circular shape. Further, the number of umbrella members is not limited to three, and any number of umbrella members may be used. Further, the material to be sprayed is not limited to powder and granules, and may be liquid or slurry.
Further, the spraying chamber is not limited to the above mixer, but may be a storage chamber such as a silo.
【００２５】[0025]
【発明の効果】以上のように本発明の散布ノズルでは被
散布物が傘部材の傾斜面に当たって反射されることによ
って散布されるため、被散布物のノズルからの噴出部を
大きくとることができ、単位時間内における散布量を多
くすることができる。As described above, in the spraying nozzle of the present invention, the object to be scattered is sprayed by hitting the inclined surface of the umbrella member and reflected, so that a large jet portion from the nozzle of the object to be scattered can be taken. , It is possible to increase the amount of spraying per unit time.
【００２６】また、被散布物の散布範囲は加圧流体の圧
力だけでなく傘部材の傾斜角度によっても変更すること
ができるので、比較的比重の大きな流体の散布などに適
している。Further, the spraying range of the objects to be sprayed can be changed not only by the pressure of the pressurized fluid but also by the inclination angle of the umbrella member, which is suitable for spraying a fluid having a relatively large specific gravity.
【００２７】また、傘部材と傘部材の間の間隔は比較的
大きくとられるので、スラリーの乾燥によってその間隙
が閉塞されてしまうといった恐れはない。Further, since the gap between the umbrella members is relatively large, there is no fear that the gap will be blocked by the drying of the slurry.
【００２８】更にまた、本発明では傘部材の形状を円錐
台形状または角錐台形状とした場合、または傘部材の斜
面が球面部を有するようにした場合、或いは傘部材の傾
斜角度を周方向に均一でないようにした場合には、被散
布物を収納する部屋の形状に合わせて均一な散布をする
ことが可能となる。Furthermore, in the present invention, when the shape of the umbrella member is a truncated cone shape or a truncated pyramid shape, or when the inclined surface of the umbrella member has a spherical surface portion, or the inclination angle of the umbrella member is in the circumferential direction. When it is not uniform, it is possible to perform uniform spraying in accordance with the shape of the room in which the objects to be sprayed are stored.
【図１】本発明の散布ノズルを混合機に適用した場合の
説明図である。FIG. 1 is an explanatory diagram when a spray nozzle of the present invention is applied to a mixer.
【図２】本発明の散布ノズルの第１実施例を示す斜視図
である。FIG. 2 is a perspective view showing a first embodiment of the spray nozzle of the present invention.
【図３】本発明の散布ノズルの第２実施例を示す斜視図
である。FIG. 3 is a perspective view showing a second embodiment of the spray nozzle of the present invention.
１ 混合機 ４ 散布ノズル ５ 圧送パイプ １２ 管体 １３ 傘部材 １４ ロッド状支承材 １５ 開口部 １６ 斜面 １７ 傘部材 １８ 斜面 １９ 開口 DESCRIPTION OF SYMBOLS 1 Mixer 4 Dispersion nozzle 5 Pumping pipe 12 Tubular body 13 Umbrella member 14 Rod-like support member 15 Opening 16 Slope 17 Umbrella 18 Slope 19 Opening
Claims (6)
る散布ノズルにおいて、該流体の上流側から下流側に向
けて外側に傾斜した斜面を有するとともに軸方向に開口
部を形成してなる複数個の傘部材を軸方向に分離配設
し、下流側の前記傘部材の前記開口部を上流側の前記傘
部材の前記開口部よりも小さく形成してなることを特徴
とする散布ノズル。1. A spray nozzle connected to a pressurized fluid source for spraying the fluid, wherein the spray nozzle has a slope inclined outward from the upstream side of the fluid toward the downstream side and has an opening formed in the axial direction. A plurality of umbrella members are axially separated from each other, and the opening of the umbrella member on the downstream side is formed smaller than the opening of the umbrella member on the upstream side. .
徴とする請求項１記載の散布ノズル。2. The spray nozzle according to claim 1, wherein the umbrella member has a truncated cone shape.
徴とする請求項１記載の散布ノズル。3. The spray nozzle according to claim 1, wherein the umbrella member has a truncated pyramid shape.
ことを特徴とする請求項１記載の散布ノズル。4. The spray nozzle according to claim 1, wherein the inclined surface of the umbrella member has a spherical surface portion.
一つの傘部材の斜面が周方向において均一な傾斜角度で
ないことを特徴とする請求項１乃至３項の何れか１項に
記載の散布ノズル。5. The spray according to claim 1, wherein at least one umbrella member of the plurality of umbrella members has an inclined surface with a non-uniform inclination angle in the circumferential direction. nozzle.
よりも大径の管体の先端部に支承され、該最上流側の傘
部材の外周と該管体の先端部との間に環状の空隙が形成
されてなることを特徴とする請求項１乃至５項の何れか
１項に記載の散布ノズル。6. The plurality of umbrella members are supported on the tip of a pipe body having a diameter larger than that of the furthest upstream side umbrella member, and the outer circumference of the furthest upstream side umbrella member and the tip end of the pipe body are separated from each other. The spray nozzle according to any one of claims 1 to 5, wherein an annular gap is formed therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23454493A JPH0788402A (en) | 1993-09-21 | 1993-09-21 | Sprinkling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23454493A JPH0788402A (en) | 1993-09-21 | 1993-09-21 | Sprinkling nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0788402A true JPH0788402A (en) | 1995-04-04 |
Family
ID=16972692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23454493A Pending JPH0788402A (en) | 1993-09-21 | 1993-09-21 | Sprinkling nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0788402A (en) |
-
1993
- 1993-09-21 JP JP23454493A patent/JPH0788402A/en active Pending
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