JPH10328586A - Mixing and spraying method and mixing and spraying nozzle - Google Patents
Mixing and spraying method and mixing and spraying nozzleInfo
- Publication number
- JPH10328586A JPH10328586A JP9156039A JP15603997A JPH10328586A JP H10328586 A JPH10328586 A JP H10328586A JP 9156039 A JP9156039 A JP 9156039A JP 15603997 A JP15603997 A JP 15603997A JP H10328586 A JPH10328586 A JP H10328586A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- mixing
- mixed material
- mixed
- spraying
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】 本発明は、例えば、山岳ト
ンネル、地下構造物、半地下構造物などの防水処理や、
建物の防水処理などに利用可能な混合吹付け方法および
混合吹付けノズルに関する。TECHNICAL FIELD The present invention relates to, for example, waterproofing of mountain tunnels, underground structures, semi-underground structures, etc.
The present invention relates to a mixing spraying method and a mixing spraying nozzle which can be used for waterproofing a building.
【０００２】[0002]
【従来の技術】 従来、山岳トンネル等の防水工法とし
ては、防水面に防水シートを展張して複数枚継ぎ合わせ
ることにより防水層を形成するシート防水工法が行われ
ていた。また、建物の屋上などには、樹脂系の吹き付け
防水工法が行われていた。さらに、滑り止めを要する施
工では、樹脂を吹き付ける前後に粉体などの滑り止め材
を散布するなどしていた。2. Description of the Related Art Conventionally, as a waterproofing method for a mountain tunnel or the like, a sheet waterproofing method in which a waterproof layer is formed by spreading a waterproof sheet on a waterproof surface and joining a plurality of sheets is performed. In addition, a resin spraying waterproofing method has been used on the roof of a building or the like. Further, in the construction requiring slip prevention, a non-slip material such as powder is sprayed before and after spraying the resin.
【０００３】[0003]
【発明が解決しようとする課題】 しかしながら、上記
従来の防水シートによる工法は、施工時のシートの破れ
や、継ぎ目の接着不良などにより、完全な防水層を形成
するのが困難であった。また、上記従来の樹脂系の吹き
付け防水工法は、下地面を平滑にするための下地処理を
行わなければならず、さらに、滑り止めを要する施工で
は、樹脂を吹き付ける前後に粉体などの滑り止め材を散
布していたため、経済的・時間的なロスが生ずる等の問
題点があった。However, in the above-mentioned conventional method using a waterproof sheet, it is difficult to form a complete waterproof layer due to breakage of the sheet at the time of construction or poor adhesion of a seam. In addition, the conventional resin-based spraying and waterproofing method has to perform a base treatment for smoothing the base surface. Since the wood was sprayed, there were problems such as economic and time loss.
【０００４】 本発明は、上記従来の課題を解決するた
めになされたもので、その目的とするところは、樹脂と
混入材とが迅速かつ確実に混合されるだけでなく、均等
に分散して被吹付け面に安定して塗着せしめることがで
き、その結果、経済的かつ時間的なロスが発生する虞れ
がない混合吹付け方法および混合吹付けノズルを提供す
ることにある。The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is not only to quickly and surely mix a resin and a mixed material, but also to uniformly disperse the resin and a mixed material. It is an object of the present invention to provide a mixing spraying method and a mixing spraying nozzle which can stably coat a surface to be sprayed, and as a result, there is no possibility of economical and time-consuming loss.
【０００５】[0005]
【課題を解決するための手段】 本発明の混合吹付け方
法は、高速の空気流に反応性硬化樹脂と混入材とを噴射
すると同時に混合して被吹付け面に吹き付けることを特
徴とする。上記反応性硬化樹脂としては、例えば、ウレ
タン樹脂、エポキシ樹脂、不飽和ポリエステル樹脂、ビ
ニルエステル樹脂またはアクリル樹脂およびその混合物
を使用する。上記反応性硬化樹脂は、上記高速の空気流
に噴射する直前に、所定の比率で混合することが好まし
い。上記混入材としては、例えば、天然あるいは合成繊
維、または硅砂・ゴムチップ・発泡樹脂材等の粉状、粒
状または塊状骨材を使用する。Means for Solving the Problems The mixing and spraying method of the present invention is characterized in that a reactive curable resin and a mixed material are injected into a high-speed air flow and simultaneously mixed and sprayed onto a surface to be sprayed. As the reactive curing resin, for example, a urethane resin, an epoxy resin, an unsaturated polyester resin, a vinyl ester resin, an acrylic resin, and a mixture thereof are used. It is preferable that the reactive curable resin is mixed at a predetermined ratio immediately before being injected into the high-speed air flow. As the mixed material, for example, natural, synthetic fibers, or powdered, granular, or aggregated materials such as silica sand, rubber chips, and foamed resin materials are used.
【０００６】また、本発明の混合吹付けノズルは、高速
空気を流して被吹付け面に噴出せしめる空気管路と、該
空気管路内を流れる高速空気流に向けて樹脂を吐出せし
める樹脂塗出路と、上記空気管路の前方に位置して該空
気管路の口径より大きな口径を有する混合室と、該混合
室内に混入材を吐出する混入材塗出路と、を有すること
を特徴とする。また、上記空気管路の途中の口径を絞り
込んで絞込み部を形成し、該絞込み部に上記樹脂吐出路
の吐出口を臨ませたことも特徴とする。上記樹脂吐出路
から吐出する樹脂の吐出方向が、上記空気管路内を流れ
る空気流に対して直交するように、樹脂吐出路を配向せ
しめることが好ましい。上記混合室に臨んでいる空気管
路の先端部の周囲に、高速エアーを混合室の内壁面に向
けて噴出せしめるための高速エアー流吐出口を形成する
ことが好ましい。さらに、中央に置かれて混入材を高速
空気流で噴射する噴射管に並行して樹脂を混合するスタ
ティックミキサーを設け、上記高速空気により噴射され
る混入材に向けて上記スタティックミキサーの拡散用口
金から樹脂を噴出・混合せしめることも特徴とする。さ
らにまた、上記本発明の混合吹付けノズルにより、上記
本発明の吹付け方法を実施することも特徴とする。Further, the mixing spray nozzle of the present invention comprises an air pipe for flowing high-speed air and jetting it to a surface to be sprayed, and a resin coating for discharging resin toward the high-speed air flow flowing in the air pipe. An outlet, a mixing chamber located in front of the air pipe and having a diameter larger than the diameter of the air pipe, and a mixed material coating path for discharging the mixed material into the mixing chamber. . Further, a narrowing portion is formed by narrowing the diameter of the air pipe in the middle, and the discharge port of the resin discharge passage faces the narrowing portion. It is preferable to orient the resin discharge path so that the discharge direction of the resin discharged from the resin discharge path is orthogonal to the airflow flowing in the air conduit. It is preferable to form a high-speed air flow outlet for discharging high-speed air toward the inner wall surface of the mixing chamber around the front end of the air pipe facing the mixing chamber. Furthermore, a static mixer for mixing the resin is provided in parallel with an injection pipe which is placed at the center and injects the mixed material with a high-speed air flow, and a diffusion die of the static mixer is directed toward the mixed material injected by the high-speed air. It is also characterized by ejecting and mixing the resin from. Still further, the spraying method of the present invention is performed by the mixing spray nozzle of the present invention.
【０００７】[0007]
【発明の実施の形態】 以下、本発明の実施例について
図面を参照しながら説明する。図１において、１は混合
吹付けノズルであって、主として、高速の空気流を矢印
方向に流す空気管路１ａと、該空気管路１ａ内に反応性
硬化樹脂を吐出せしめる樹脂吐出路１ｂと、繊維や硅砂
等の混入材を吐出せしめる混入材吐出路１ｃと、上記樹
脂と混入材を混合する混合室１ｄを有する。Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a mixing spray nozzle, which mainly includes an air pipe 1a for flowing a high-speed air flow in the direction of an arrow, and a resin discharge path 1b for discharging a reactive cured resin into the air pipe 1a. And a mixing chamber 1d for mixing the resin and the mixed material with the mixed material discharge path 1c for discharging the mixed material such as fiber or silica sand.
【０００８】 上記空気管路１ａの途中には、その口径
を前後より小さく絞り込んだ絞込み部１ａ′が形成され
ていて、この部分で空気流速が速くなるようになってい
る。該絞込み部１ａ′には、上記樹脂吐出路１ｂの吐出
口が臨んでいる。本実施例では、該樹脂吐出路１ｂから
空気管路１ａ内に吐出される樹脂の吐出方向が、該空気
管路１ａ内を流れる空気流の方向に対して直交するよう
に、樹脂吐出路１ｂが配向されているが、これに限定す
るものではなく、所定の傾斜角度で吐出させてもよい。In the middle of the air pipe 1a, there is formed a narrowing portion 1a 'whose diameter is narrowed down from the front and rear, and the air flow speed is increased in this portion. The discharge port of the resin discharge path 1b faces the narrowing portion 1a '. In the present embodiment, the resin discharge path 1b is set such that the direction of the resin discharged from the resin discharge path 1b into the air line 1a is orthogonal to the direction of the air flow flowing through the air line 1a. Are oriented, but the present invention is not limited to this, and ejection may be performed at a predetermined inclination angle.
【０００９】 上記空気管路１ａの前方には、口径が一
段と大きくなった混合室１ｄが配置されている。該混合
室１ｄには、上記混入材吐出路１ｃが開口している。該
混入材吐出路１ｃから混合室１ｄ内に吐出される混入材
が、混合室１ｃ内を流れる空気流の方向に対して斜め後
方から吐出されるように、混入材吐出路１ｃが配向され
ている。A mixing chamber 1d having a larger diameter is disposed in front of the air pipe 1a. The mixing material discharge path 1c is opened in the mixing chamber 1d. The mixed material discharge path 1c is oriented so that the mixed material discharged from the mixed material discharge path 1c into the mixing chamber 1d is discharged obliquely rearward with respect to the direction of the airflow flowing in the mixing chamber 1c. I have.
【００１０】 上記混合室１ｄに臨んでいる上記空気管
路１ａの先端部の周囲には、高速エアー流吐出口１ｅが
環状に形成されていて、上記混合室１ｄの内壁面に沿っ
て高速エアーを流すようになっている。[0010] A high-speed air flow discharge port 1e is formed in an annular shape around the tip of the air pipe 1a facing the mixing chamber 1d, and a high-speed air flow is formed along the inner wall surface of the mixing chamber 1d. Is flowing.
【００１１】 図２は、上記混合吹付けノズル１に高圧
空気や樹脂や混入材等を圧送供給する装置を示すもので
あって、２は圧搾空気を供給するコンプレッサなどのエ
アーポンプ、３はウレタン樹脂、エポキシ樹脂、不飽和
ポリエステル樹脂、ビニルエステル樹脂またはアクリル
樹脂などの反応性硬化型樹脂を供給する樹脂供給装置、
４は、天然あるいは合成繊維、または硅砂・ゴムチップ
・発泡樹脂材等の粉状、粒状または塊状骨材等の混入材
を供給する混入材供給装置である。FIG. 2 shows an apparatus for supplying high-pressure air, resin, mixed material, and the like to the mixing and spraying nozzle 1 by pressure. An air pump 2 such as a compressor for supplying compressed air is shown in FIG. A resin supply device for supplying a reactive curable resin such as resin, epoxy resin, unsaturated polyester resin, vinyl ester resin or acrylic resin,
Reference numeral 4 denotes a mixed material supply device for supplying mixed materials such as natural or synthetic fibers, or powdered, granular, or aggregated materials such as silica sand, rubber chips, and foamed resin materials.
【００１２】 上記エアーポンプ２から発生する高圧空
気Ａは、圧搾空気流量調整機５を通って上記混合吹付け
ノズル１の空気管路１ａの入口（図１の左端部）および
高速エアー流吐出口１ｅに供給される。The high-pressure air A generated from the air pump 2 passes through a compressed air flow controller 5, and the inlet (the left end in FIG. 1) of the air pipe 1 a of the mixing spray nozzle 1 and the high-speed air flow outlet 1e.
【００１３】 上記樹脂供給装置３は、さらに、２つの
樹脂槽３ａ、３ｂから構成されていて、それぞれの樹脂
槽３ａ、３ｂには、上記ウレタン樹脂、エポキシ樹脂、
不飽和ポリエステル樹脂、ビニルエステル樹脂またはア
クリル樹脂などの反応性硬化型樹脂のうちの２液の樹脂
が各々収容されている。樹脂槽３ａ、３ｂ内の各樹脂
は、それぞれ樹脂用配管６ａ、６ｂを介してスタティッ
クミキサー等の混合装置７に導入されて混合される。混
合された樹脂は、上記樹脂吐出路１ｂの入口に供給され
る。The resin supply device 3 further includes two resin tanks 3a and 3b, and the resin tanks 3a and 3b respectively include the urethane resin, the epoxy resin,
Two liquid resins of a reactive curable resin such as an unsaturated polyester resin, a vinyl ester resin or an acrylic resin are accommodated respectively. Each resin in the resin tanks 3a and 3b is introduced into a mixing device 7 such as a static mixer via resin pipings 6a and 6b, and mixed. The mixed resin is supplied to the inlet of the resin discharge path 1b.
【００１４】 上記混入材供給装置４は、混入材が繊維
である場合には、例えば、図３に示すように、繊維Ｆを
回転カッター４ａにより適宜長さに切断して、上記エア
ーポンプ２からの圧搾空気により混入材用配管８を介し
て上記混入材吐出路１ｃの入口に供給するように構成さ
れている。なお、９は樹脂流量調節装置である。When the mixed material is a fiber, the mixed material supply device 4 cuts the fiber F into an appropriate length by a rotary cutter 4 a as shown in FIG. The compressed air is supplied to the inlet of the mixed material discharge path 1c through the mixed material piping 8. In addition, 9 is a resin flow control device.
【００１５】 図４は、混入材が、硅砂・ゴムチップ・
発泡樹脂材等の粉状、粒状または塊状骨材である場合の
混入材供給装置４の実施例を示すもので、ホッパー４ｂ
内の硅砂・ゴムチップ・発泡樹脂等の粉状、粒状または
塊状骨材Ｐを回転型定量供給器４ｃにより所定量ずつ繰
り出して、上記エアーポンプ２からの圧搾空気により混
入材用配管８を介して上記混入材吐出路１ｃの入口に供
給するように構成されている。４ｄは撹拌羽根、４ｅお
よび４ｆは空気流量調節器である。FIG. 4 shows that the mixed materials are silica sand, rubber chips,
This shows an embodiment of the mixed material supply device 4 in the case of a powdery, granular or massive aggregate such as a foamed resin material, and a hopper 4b.
The powdered, granular or massive aggregate P such as silica sand, rubber chips, foamed resin and the like in the inside is fed out by a predetermined amount by a rotary type quantitative feeder 4c, and is compressed by the compressed air from the air pump 2 through the mixed material pipe 8. It is configured to supply the mixture to the entrance of the mixed material discharge path 1c. 4d is a stirring blade, 4e and 4f are air flow controllers.
【００１６】 次に、上記実施例装置による混合吹付け
方法について説明する。高圧空気がエアーポンプ２から
混合吹付けノズル１の空気管路１ａに圧送され、該高圧
空気は空気管路１ａ内を高速で矢印方向に流れる。ま
た、樹脂槽３ａ、３ｂ内の各樹脂は混合装置７に送られ
て、混合される。反応性硬化樹脂は混合と同時に反応す
る。混合された樹脂は混合吹付けノズル１の樹脂吐出路
１ｂに送られて、上記空気管路１ａの絞込み部１ａ′内
に吐出される。絞込み部１ａ′内を流れる空気は更に高
速となっているので、樹脂を積極的に吸引・霧化して、
続く混合室１ｄ内に噴出・分散する。Next, a method of mixing and spraying using the above-described apparatus will be described. High-pressure air is sent from the air pump 2 to the air line 1a of the mixing and spraying nozzle 1, and the high-pressure air flows in the air line 1a at high speed in the direction of the arrow. Each resin in the resin tanks 3a and 3b is sent to the mixing device 7 and mixed. The reactive cured resin reacts upon mixing. The mixed resin is sent to the resin discharge path 1b of the mixing spray nozzle 1 and discharged into the narrowing portion 1a 'of the air pipe 1a. Since the air flowing through the narrowing portion 1a 'is at a higher speed, the resin is actively sucked and atomized,
It is jetted and dispersed into the following mixing chamber 1d.
【００１７】 混合室１ｄ内には、混入材供給装置４か
ら混入材吐出路１ｃに圧送される混入材が吐出されて、
上記樹脂に混合・撹拌される。該混合室１ｄ内で混合さ
れた樹脂と混入材は、上記高速空気流により混合吹付け
ノズル１から噴射され、構造物の壁面や建物の屋上等の
被吹付け面に塗着し、防水層を形成する。なお、混合さ
れる混入材は、天然あるいは合成繊維、または硅砂・ゴ
ムチップ・発泡樹脂材等の粉状、粒状または塊状骨材で
あるが、これらに限定するものではなく、実質的に同じ
作用効果を発揮し得る材料であればいずれでもよく、ま
た、これらの混入材の１種または２種以上の組み合わせ
のいずれであってもよい。In the mixing chamber 1d, the mixed material which is fed from the mixed material supply device 4 to the mixed material discharge path 1c is discharged,
The resin is mixed and stirred. The resin and the mixed material mixed in the mixing chamber 1d are jetted from the mixing and spraying nozzle 1 by the high-speed air flow, and are applied to a surface to be sprayed, such as a wall surface of a structure or a roof of a building, to form a waterproof layer. To form The mixed materials to be mixed are natural or synthetic fibers, or powdery, granular or massive aggregates such as silica sand, rubber chips, foamed resin materials, etc., but are not limited thereto, and have substantially the same effect. Any material can be used as long as it can exhibit the following, and any one or a combination of two or more of these contaminants may be used.
【００１８】 図５は、本発明の混合吹付けノズルの別
の実施例を示すもので、繊維等の混入材を高速空気流で
噴射する噴射管１０ａと、該噴射管１０ａの両側に並行
して設けられる樹脂供給用のスタティックミキサー１０
ｂから構成されている。上記噴射管１０ａには、上記混
入材供給用エアーポンプ２ｂおよび混入材供給装置４等
から高圧空気とともに混入材が圧送されて、噴射口部１
０ａ′から混入材を高速空気と共に噴出せしめるように
なっている。また、上記スタティックミキサー１０ｂ
は、上記樹脂槽３ａ、３ｂ等から樹脂を導入して、内部
で混合し、拡散用口金１０ｂ′から拡散状態で上記高速
空気・混入材中に噴射し、混合しながら被吹付け面に吹
き付けるようになっている。FIG. 5 shows another embodiment of the mixing and spraying nozzle of the present invention, in which an injection pipe 10a for injecting a mixed material such as fiber by a high-speed air flow, and parallel to both sides of the injection pipe 10a. Static mixer 10 for resin supply
b. The mixed material is pressure-fed to the injection pipe 10a together with the high-pressure air from the mixed material supply air pump 2b, the mixed material supply device 4, and the like.
The mixed material is ejected from 0a 'together with the high-speed air. In addition, the static mixer 10b
The resin is introduced from the resin tanks 3a, 3b, etc., mixed inside, and is injected into the high-speed air / mixed material in a diffusion state from the diffusion mouthpiece 10b ', and is sprayed onto the surface to be sprayed while mixing. It has become.
【００１９】[0019]
【実施例】 以下、実施例および比較例を挙げて本発明
を説明するが、本発明はこれらにより何ら限定されるも
のではない。各実施例で用いた反応性硬化樹脂は、以下
のものを意味する。なお、実施例で用いた「部」は重量
部を、「％」は容量％を示す。 Ａ：武田薬品工業（株）製（ウレタン樹脂）ＴＱスプレ
イ８０主剤 Ｂ：武田薬品工業（株）製（ウレタン樹脂）ＴＱスプレ
イ８０硬化剤 Ｃ：武田薬品工業（株）製（ビニルエステル樹脂）プロ
ミネートＰ−３１３ＡＰ Ｄ：日本油脂（株）製（メチルエチルケトンパーオキサ
イド）パーメックＮEXAMPLES Hereinafter, the present invention will be described with reference to Examples and Comparative Examples, but the present invention is not limited thereto. The reactive cured resin used in each example means the following. The “parts” used in the examples indicate parts by weight, and “%” indicates% by volume. A: Takeda Pharmaceutical Co., Ltd. (urethane resin) TQ spray 80 main agent B: Takeda Pharmaceutical Co., Ltd. (urethane resin) TQ spray 80 curing agent C: Takeda Pharmaceutical Co., Ltd. (vinyl ester resin) Prominate P-313AP D: Nippon Yushi (Methyl Ethyl Ketone Peroxide) Permec N
【００２０】[0020]
【実施例１】 Ａ１１５部、Ｂ１０４部を吹付け機（Ｕ
ＮＩＰＲＥＧ４１／２Ｄ；ＵＮＩＰＲＥ社製）にセット
し、ビニロン繊維（クラレ社製）を連続繊維切断（供
給）機にセットして、本発明ノズルを用いて、立ち面に
吹付けを行い、繊維含有率とタレ性の関係を評価した。
また、硬化物の引裂強度も測定した。その結果を表１に
示す。Example 1 A115 part and B104 part were sprayed with a spraying machine (U
NIPREG 41 / 2D; manufactured by UNIPRE), vinylon fiber (manufactured by Kuraray) set in a continuous fiber cutting (supply) machine, and spraying was performed on the upright surface using the nozzle of the present invention. And the relationship of sagging was evaluated.
Further, the tear strength of the cured product was also measured. Table 1 shows the results.
【表１】 [Table 1]
【００２１】[0021]
【実施例２】 Ｃ１００部、Ｄ４部をジオクチルフタレ
ート（東邦理化工業社製）６部で希釈した１０部を吹付
け機（ＵＮＩＰＲＥＧ４１／２Ｄ；ＵＮＩＰＲＥ社製）
にセットし、ビニロン繊維（クラレ社製）を連続繊維切
断（供給）機にセットし、本発明のノズルを用いて、立
ち面に吹付けを行い、繊維含有率とタレ性の関係を評価
した。また、硬化後の引張強度も測定した。その結果を
表２に示す。Example 2 100 parts of C and 4 parts of D were diluted with 6 parts of dioctyl phthalate (manufactured by Toho Rika Kogyo Co., Ltd.), and 10 parts were sprayed (UNIPREG 41 / 2D; manufactured by UNIPRE).
And a vinylon fiber (manufactured by Kuraray Co., Ltd.) was set in a continuous fiber cutting (supplying) machine, and spraying was performed on an upright surface using the nozzle of the present invention to evaluate the relationship between the fiber content and sagging property. . Further, the tensile strength after curing was also measured. Table 2 shows the results.
【表２】 [Table 2]
【００２２】[0022]
【実施例３】 Ａ１１５部、Ｂ１０４部を吹付け機（Ｕ
ＮＩＰＲＥＧ４１／２Ｄ；ＵＮＩＰＲＥ社製）にセット
し、、軽量骨材（株式会社サンライト社製）を連続粉体
定量供給機にセットして、本発明のノズルを用いて、立
ち面への吹付けを行い、骨材含有率とタレ性の関係を評
価した。また、単位時間当たりの吹付け容量も測定し
た。その結果を表３に示す。Embodiment 3 A115 part and B104 part were sprayed with a spraying machine (U
NIPREG41 / 2D; manufactured by UNIPRE), lightweight aggregate (manufactured by Sunlight Co., Ltd.) is set on a continuous powder metering machine, and sprayed on a standing surface using the nozzle of the present invention. Was performed to evaluate the relationship between the aggregate content and the sagging property. The spraying capacity per unit time was also measured. Table 3 shows the results.
【表３】 [Table 3]
【００２３】[0023]
【実施例４】 Ｃ１００部、Ｄ４部をジオクチルフタレ
ート（東邦理化工業社製）６部で希釈した１０部を吹付
け機（ＵＮＩＰＲＥＧ４１／２Ｄ；ＵＮＩＰＲＥ社製）
にセットし、軽量骨材（株式会社サンライト社製）を連
続粉体定量供給機にセットして、本発明ノズルを用い
て、立ち面への吹付けを行い、骨材含有率とタレ性の関
係を評価した。また、単位時間当たりの吹付け容量も測
定した。その結果を表４に示す。Example 4 100 parts of C and 4 parts of D were diluted with 6 parts of dioctyl phthalate (manufactured by Toho Rika Kogyo Co., Ltd.), and 10 parts were sprayed (UNIPREG 41 / 2D; manufactured by UNIPRE).
And a lightweight aggregate (manufactured by Sunlight Co., Ltd.) is set on a continuous powder metering machine, and spraying is performed on the upright surface using the nozzle of the present invention, and the aggregate content and sagging The relationship was evaluated. The spraying capacity per unit time was also measured. Table 4 shows the results.
【表４】 [Table 4]
【００２４】[0024]
【実施例５】 Ａ１１６部、Ｂ１０４部を吹付け機（Ｕ
ＮＩＰＲＥＧ４１／２Ｄ；ＵＮＩＰＲＥ社製）にセット
し、ゴムチップ（鈴木商店製）を連続粉体定量供給機に
セットして、本発明ノズルを用いた、立ち面への吹付け
を行い、チップ含有率とタレ性の関係を評価した。ま
た、硬化物の反発係数（ＪＩＳ Ｋ６３０１に準拠）も
測定した。その結果を表５に示す。Embodiment 5 A116 part and B104 part were sprayed with a spraying machine (U
NIPREG 41 / 2D; manufactured by UNIPRE Co., Ltd.), a rubber chip (manufactured by Suzuki Shoten) was set on a continuous powder metering machine, and the nozzle of the present invention was sprayed on a standing surface, and the chip content and The relationship of sagging was evaluated. The coefficient of restitution of the cured product (based on JIS K6301) was also measured. Table 5 shows the results.
【表５】 [Table 5]
【００２５】[0025]
【発明の効果】 １）高速の空気流に反応性硬化樹脂と
混入材とを噴射すると同時に混合して被吹付け面に吹き
付けるように構成したので、樹脂と混入材とが迅速かつ
確実に混合されるだけでなく、均等に分散して被吹付け
面に安定して塗着せしめることができ、更に効率よく厚
膜を形成することができるので、その結果、経済的かつ
時間的なロスが発生する虞れがない。また、反応性硬化
樹脂と硅砂、ゴムチップ等とを混合して被吹付け面に吹
き付けるようにしたため、従来、樹脂吹付けの前後に粉
体・粒体などを散布していた手間がなくなり、その結
果、経済的かつ時間的なロスが発生する虞れがない。 ２）反応性硬化樹脂を、高速の空気流に噴射する直前
に、所定の比率で混合するようにしたので、安定した混
合を得ることができる。 ３）混入材に繊維や硅砂や発泡樹脂材（発泡スチロール
塊等）を使用することにより、立ち面や天井面の吹き付
けにおいてタレを効果的に防止したり、高価な樹脂を節
約しながらダメ空間を効果的に吹き付け充填することが
できる。 ４）混合吹付けノズルが、高速空気を流して被吹付け面
に噴出せしめる空気管路と、該空気管路内を流れる高速
空気流に向けて樹脂を吐出せしめる樹脂塗出路と、上記
空気管路の前方に位置して該空気管路の口径より大きな
口径を有する混合室と、該混合室内に混入材を吐出する
混入材塗出路を有するので、樹脂と混入材とが迅速かつ
確実に混合されるだけでなく、均等に分散して被吹付け
面に安定して塗着せしめることができる。 ５）空気管路の途中の口径を絞り込んで絞込み部を形成
し、該絞込み部に上記樹脂吐出路の吐出口を臨ませたの
で、樹脂を効果的に霧化して拡散せしめることができ、
樹脂と混入材を迅速かつ均等に混合することができる。 ６）樹脂吐出路から吐出する樹脂の吐出方向が、空気管
路内を流れる空気流に対して直交するように、樹脂吐出
路を配向せしめたので、ノズル全体の長さを短くするこ
とが可能となった。 ７）混合室に臨んでいる空気管路の先端部の周囲に、高
速エアーを混合室の内壁面に向けて噴出せしめるための
高速エアー流吐出口を形成したので、混合室の内壁面に
空気膜を形成して、樹脂の付着を効果的に防止すること
ができる。 ８）中央に置かれて混入材を高速空気流で噴射する噴射
管に並行して樹脂を混合するスタティックミキサーを設
け、上記高速空気により噴射される混入材に向けて上記
スタティックミキサーの拡散用口金から樹脂を噴出・混
合せしめるように混合吹付けノズルを構成することによ
り、構造が簡単で安価に提供でき、樹脂と混入材を迅速
かつ効果的に混合することが可能なノズルを得ることが
できる。 ９）本発明は、山岳トンネル、地下構造物、半地下構造
物などの防水処理や、建物の防水処理の他に、劣化した
構造物の補修、プールサイドや競技場などの滑り止めを
要する表面皮膜処理、断熱性を要する壁などの処理、あ
るいは弾性舗装材層・通気層・断熱層の形成などに利用
可能である。Advantages of the Invention 1) Since the reactive curable resin and the mixed material are sprayed and mixed at the same time as the high-speed air flow, and mixed and sprayed onto the surface to be sprayed, the resin and the mixed material are quickly and reliably mixed. Not only is it possible to disperse evenly and stably on the surface to be sprayed, and it is also possible to form a thick film more efficiently, resulting in economical and time-consuming loss. There is no risk of occurrence. In addition, since the reactive hardening resin is mixed with silica sand, rubber chips, etc. and sprayed on the surface to be sprayed, there is no need to disperse powders and granules before and after the resin spraying, As a result, there is no possibility that an economical and time loss occurs. 2) Since the reactive curable resin is mixed at a predetermined ratio immediately before being injected into the high-speed air flow, stable mixing can be obtained. 3) By using fiber, silica sand, or foamed resin material (such as styrofoam lump) as a mixed material, it is possible to effectively prevent sagging when spraying a standing surface or a ceiling surface, and to reduce wasteful space while saving expensive resin. It can be spray-filled effectively. 4) an air pipe through which the mixing and blowing nozzle causes high-speed air to flow and jet to the surface to be sprayed; a resin coating path to discharge resin toward the high-speed air flow flowing through the air pipe; It has a mixing chamber located at the front of the passage and having a diameter larger than the diameter of the air pipe, and a mixed material application path for discharging the mixed material into the mixing chamber, so that the resin and the mixed material can be mixed quickly and reliably. In addition to this, it can be evenly dispersed and stably applied to the surface to be sprayed. 5) Since a narrowing portion is formed by narrowing the diameter in the middle of the air pipeline, and the discharge port of the resin discharge path faces the narrowing portion, the resin can be effectively atomized and diffused,
The resin and the mixed material can be mixed quickly and uniformly. 6) Since the resin discharge path is oriented so that the direction of discharge of the resin discharged from the resin discharge path is orthogonal to the air flow flowing in the air pipe, the overall length of the nozzle can be reduced. It became. 7) A high-speed air flow discharge port for ejecting high-speed air toward the inner wall surface of the mixing chamber is formed around the end of the air pipe facing the mixing chamber. By forming a film, adhesion of resin can be effectively prevented. 8) A static mixer for mixing the resin is provided in parallel with an injection pipe which is placed at the center and injects the mixed material by a high-speed air flow, and a diffusion die of the static mixer is directed toward the mixed material injected by the high-speed air. By configuring the mixing and spraying nozzle so that the resin is ejected and mixed from the nozzle, it is possible to obtain a nozzle that can be provided with a simple structure at a low cost and that can quickly and effectively mix the resin and the mixed material. . 9) The present invention provides a waterproofing treatment for mountain tunnels, underground structures, semi-underground structures, etc., a waterproofing treatment for buildings, a repair of deteriorated structures, and a surface that requires non-slip such as a poolside or a stadium. It can be used for coating treatment, treatment of walls requiring heat insulation, or formation of an elastic pavement material layer, a ventilation layer, and a heat insulation layer.
【図１】 本発明の混合吹付けノズルの一実施例を示す
断面図である。FIG. 1 is a sectional view showing one embodiment of a mixing spray nozzle of the present invention.
【図２】 本発明の混合吹付け方法を実施する装置の一
例を示す構成図である。FIG. 2 is a configuration diagram showing an example of an apparatus for performing the mixing and spraying method of the present invention.
【図３】 繊維を切断して供給する混入材供給装置の一
例を示す説明図である。FIG. 3 is an explanatory diagram showing an example of a mixed material supply device that cuts and supplies fibers.
【図４】 粉体を定量供給する混入材供給装置の一例を
示す説明図である。FIG. 4 is an explanatory diagram illustrating an example of a mixed material supply device that supplies a fixed amount of powder.
【図５】 本発明の混合吹付けノズルの別の実施例を示
す断面図である。FIG. 5 is a sectional view showing another embodiment of the mixing spray nozzle of the present invention.
１ 混合吹付ノズル １ａ 空気管路 １ａ′ 絞込み部 １ｂ 樹脂吐出路 １ｃ 混合材吐出路 １ｄ 混合室 １ｅ 高速エアー流吐出口 ２ エアーポンプ ３ 樹脂供給装置 ３ａ、３ｂ 樹脂槽 ４ 混入材供給装置 ４ａ 回転カッター ４ｂ ホッパー ４ｃ 回転型定量供給器 ４ｄ 撹拌羽根 ４ｅ、４ｆ 空気流量調節器 ５ 圧搾空気調整機 ６ａ、６ｂ 樹脂用配管 ７ 混合装置 ８ 混入材用配管 ９ 樹脂流量調節装置 １０ 混合吹付けノズル １０ａ 噴射管 １０ａ′ 噴射口部 １０ｂ スタティックミキサー １０ｂ′拡散用口金 Ａ 高圧空気 Ｆ 繊維 Ｐ 硅砂・ゴムチップ・発泡樹脂材等の紛状・粒状また
は塊状骨材 8DESCRIPTION OF SYMBOLS 1 Blowing nozzle 1a Air pipe 1a 'Restriction part 1b Resin discharge path 1c Mix material discharge path 1d Mixing chamber 1e High-speed air flow discharge port 2 Air pump 3 Resin supply device 3a, 3b Resin tank 4 Mixed material supply device 4a Rotary cutter 4b Hopper 4c Rotary metering device 4d Stirrer blade 4e, 4f Air flow controller 5 Compressed air controller 6a, 6b Resin piping 7 Mixing device 8 Mixing material piping 9 Resin flow control device 10 Mixing spray nozzle 10a Injection tube 10a 'Injection port 10b Static mixer 10b' Diffusion cap A High-pressure air F Fiber P Powdery, granular or massive aggregate such as silica sand, rubber chips, foamed resin material, etc. 8
───────────────────────────────────────────────────── フロントページの続き (72)発明者 酒見 幸助 東京都渋谷区渋谷一丁目16番14号 東急建 設株式会社内 (72)発明者 山崎 久史 藤沢市村岡東２丁目26番１号 武田薬品工 業株式会社内 (72)発明者 山代 育民 東京都江戸川区中葛西３ー15ー７ー204 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kosuke Sakami 1-16-14 Shibuya, Shibuya-ku, Tokyo Tokyu Construction Co., Ltd. (72) Inventor Hisashi Yamazaki 2-6-1 Muraoka Higashi, Fujisawa City Takeda (72) Inventor Ikumin Yamashiro 3-15-7-204 Nakakasai, Edogawa-ku, Tokyo
Claims (10)
とを噴射すると同時に混合して被吹付け面に吹き付ける
ことを特徴とする混合吹付け方法。1. A method of mixing and spraying wherein a reactive curable resin and a mixed material are injected into a high-speed air stream, mixed together and sprayed onto a surface to be sprayed.
エポキシ樹脂、不飽和ポリエステル樹脂、ビニルエステ
ル樹脂またはアクリル樹脂およびその混合物であること
を特徴とする請求項１に記載の混合吹付け方法。2. The method according to claim 1, wherein the reactive curable resin is a urethane resin,
2. The method according to claim 1, wherein the resin is an epoxy resin, an unsaturated polyester resin, a vinyl ester resin or an acrylic resin and a mixture thereof.
流に噴射する直前に、所定の比率で混合することを特徴
とする請求項１または２に記載の混合吹付け方法。3. The method according to claim 1, wherein the reactive curable resin is mixed at a predetermined ratio immediately before being injected into the high-speed air flow.
または硅砂・ゴムチップ・発泡樹脂材等の粉状、粒状ま
たは塊状骨材であることを特徴とする請求項１、２また
は３に記載の混合吹付け方法。4. The method according to claim 1, wherein the mixed material is a natural or synthetic fiber,
The method according to claim 1, 2 or 3, wherein the method is a powdery, granular or massive aggregate such as silica sand, rubber chips, foamed resin material or the like.
める空気管路と、該空気管路内を流れる高速空気流に向
けて樹脂を吐出せしめる樹脂塗出路と、上記空気管路の
前方に位置して該空気管路の口径より大きな口径を有す
る混合室と、該混合室内に混入材を吐出する混入材塗出
路と、を有することを特徴とする混合吹付けノズル。5. An air pipe for flowing high-speed air to jet to a surface to be sprayed, a resin coating path for discharging resin toward a high-speed air flow flowing in the air pipe, and a front of the air pipe. And a mixing chamber having a diameter larger than the diameter of the air pipe, and a mixed material application path for discharging mixed material into the mixing chamber.
絞込み部を形成し、該絞込み部に上記樹脂吐出路の吐出
口を臨ませたことを特徴とする請求項５に記載の混合吹
付けノズル。6. A mixing blower according to claim 5, wherein a narrowing portion is formed by narrowing a diameter in the middle of the air pipe, and a discharge port of the resin discharge passage faces the narrowing portion. Attaching nozzle.
方向が、上記空気管路内を流れる空気流に対して直交す
るように、樹脂吐出路を配向せしめることを特徴とする
請求項５またはに記載の混合吹付けノズル。7. The resin discharge path is oriented so that a discharge direction of the resin discharged from the resin discharge path is orthogonal to an air flow flowing in the air pipe. 3. The mixing spray nozzle according to 1.
部の周囲に、高速エアーを混合室の内壁面に向けて噴出
せしめるための高速エアー流吐出口を形成したことを特
徴とする請求項５、６または７に記載の混合吹付けノズ
ル。8. A high-speed air flow discharge port for jetting high-speed air toward an inner wall surface of the mixing chamber is formed around a front end portion of the air pipe facing the mixing chamber. The mixing spray nozzle according to claim 5, 6 or 7.
射する噴射管に並行して樹脂を混合するスタティックミ
キサーを設け、上記高速空気により噴射される混入材に
向けて上記スタティックミキサーの拡散用口金から樹脂
を噴出・混合せしめることを特徴とする混合吹付けノズ
ル。9. A static mixer for mixing a resin in parallel with an injection pipe which is placed at the center and injects the mixed material with a high-speed air flow, and wherein the static mixer is used for mixing the resin with the high-speed air. A mixing spray nozzle characterized by ejecting and mixing a resin from a diffusion base.
求項に記載の混合吹付けノズルにより、上記請求項１な
いし４のいずれかの請求項に記載の方法を実施すること
を特徴とする混合吹付け方法。10. The method according to any one of claims 1 to 4, wherein the mixing spray nozzle according to any one of claims 5 to 9 performs the method according to any one of claims 1 to 4. Mixed spraying method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9156039A JPH10328586A (en) | 1997-05-30 | 1997-05-30 | Mixing and spraying method and mixing and spraying nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9156039A JPH10328586A (en) | 1997-05-30 | 1997-05-30 | Mixing and spraying method and mixing and spraying nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10328586A true JPH10328586A (en) | 1998-12-15 |
Family
ID=15618990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9156039A Pending JPH10328586A (en) | 1997-05-30 | 1997-05-30 | Mixing and spraying method and mixing and spraying nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10328586A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001036105A1 (en) * | 1999-11-15 | 2001-05-25 | Aura Tec Co., Ltd. | Micro-bubble generating nozzle and application device therefor |
| JP2007325986A (en) * | 2006-06-06 | 2007-12-20 | Osaka Bosui Constr Co Ltd | Covering layer forming method, covering layer, and painting device |
| JP2009136745A (en) * | 2007-12-05 | 2009-06-25 | J P Ii Kk | Apparatus for generating microbubble |
| JP2009136870A (en) * | 2006-09-01 | 2009-06-25 | Kobe Steel Ltd | Ejection nozzle device |
| JP2010023021A (en) * | 2008-06-16 | 2010-02-04 | Terumo Corp | Coating method |
| KR101290129B1 (en) * | 2012-06-27 | 2013-07-26 | 이원조 | Foaming device for car-washing |
| CN107214008A (en) * | 2017-05-30 | 2017-09-29 | 广西泰亿诺新能源有限公司 | The method that electrothermal tube plates Nano semiconductor Electric radiant Heating Film |
| JP2024004007A (en) * | 2022-06-28 | 2024-01-16 | 株式会社立花マテリアル | Spraying system of two-liquid curable resin, and spraying method of two-liquid curable resin |
| US20240084599A1 (en) * | 2022-09-12 | 2024-03-14 | Bmic Llc | Methods for Rehabilitating and/or Remediating Roofing Materials |
-
1997
- 1997-05-30 JP JP9156039A patent/JPH10328586A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001036105A1 (en) * | 1999-11-15 | 2001-05-25 | Aura Tec Co., Ltd. | Micro-bubble generating nozzle and application device therefor |
| JP2007325986A (en) * | 2006-06-06 | 2007-12-20 | Osaka Bosui Constr Co Ltd | Covering layer forming method, covering layer, and painting device |
| JP2009136870A (en) * | 2006-09-01 | 2009-06-25 | Kobe Steel Ltd | Ejection nozzle device |
| JP2009136745A (en) * | 2007-12-05 | 2009-06-25 | J P Ii Kk | Apparatus for generating microbubble |
| JP2010023021A (en) * | 2008-06-16 | 2010-02-04 | Terumo Corp | Coating method |
| KR101290129B1 (en) * | 2012-06-27 | 2013-07-26 | 이원조 | Foaming device for car-washing |
| CN107214008A (en) * | 2017-05-30 | 2017-09-29 | 广西泰亿诺新能源有限公司 | The method that electrothermal tube plates Nano semiconductor Electric radiant Heating Film |
| JP2024004007A (en) * | 2022-06-28 | 2024-01-16 | 株式会社立花マテリアル | Spraying system of two-liquid curable resin, and spraying method of two-liquid curable resin |
| US20240084599A1 (en) * | 2022-09-12 | 2024-03-14 | Bmic Llc | Methods for Rehabilitating and/or Remediating Roofing Materials |
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