JP3032986B2 - Chemical spraying device - Google Patents
Chemical spraying deviceInfo
- Publication number
- JP3032986B2 JP3032986B2 JP2312945A JP31294590A JP3032986B2 JP 3032986 B2 JP3032986 B2 JP 3032986B2 JP 2312945 A JP2312945 A JP 2312945A JP 31294590 A JP31294590 A JP 31294590A JP 3032986 B2 JP3032986 B2 JP 3032986B2
- Authority
- JP
- Japan
- Prior art keywords
- chemical
- chemical solution
- flow path
- liquid
- spraying device
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
- B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
Landscapes
- Nozzles (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は薬液散布方法及びその装置に関し、詳細に
は、たばこ幹のわき芽抑制等のために薬液を散布する手
段に関する。Description: TECHNICAL FIELD The present invention relates to a method and an apparatus for spraying a chemical solution, and more particularly, to a means for spraying a chemical solution for suppressing side buds of a tobacco stem and the like.
たばこ葉等の栽培の際には、主に心止め以降のわき芽
抑制のため、わき芽抑制用の薬液を散布する必要があ
る。During cultivation of tobacco leaves and the like, it is necessary to spray a chemical solution for controlling the side buds mainly for controlling the side buds after the arrest.
最近、薬液の散布手段として、薬液を霧状にして茎葉
に散布する手段に変わり、接触型の薬液散布が行なわれ
る傾向にある。In recent years, as a means of spraying a chemical solution, a method of spraying the chemical solution in the form of a mist and spraying it on foliage has been used, and there is a tendency that contact-type chemical solution spraying is performed.
接触型の薬液散布では、薬液が束状に噴出する特殊な
噴出口を用い、該噴出口を幹の頂上部に接触させて株ご
とに集中的に散布する。In contact-type spraying of a chemical solution, a special jet port for jetting a chemical solution in a bundle is used, and the jet port is brought into contact with the top of the trunk to spray the chemicals intensively for each plant.
散布した薬液は、幹の表面を伝わって流下し、流下す
る間に葉元部に付着し、葉元部のわき芽を抑制する。The sprayed chemical solution flows down along the surface of the trunk and adheres to the base of the leaf while flowing down, thereby suppressing the buds at the base of the leaf.
しかしながら、接触型の薬液散布は、薬液が液状であ
るので、幹を伝わって流下する速度が早く、わき芽への
付着が不十分であった。However, in the contact type chemical spraying, since the chemical is liquid, the speed of flowing down the stem and flowing down was high, and the adhesion to the side buds was insufficient.
また、薬液を噴霧するよりは少ないが、それでも薬液
が葉面へ付着したり地面へ飛散することがあった。In addition, although less than spraying the chemical, the chemical may still adhere to the leaves or fly to the ground.
従って、無駄となる薬液も多く、多量の薬液を必要と
していた。Therefore, there are many waste chemicals, and a large amount of chemicals is required.
さらに、心止め前のグランドサッカー（地ぎわのわき
芽）を対象とした早い時期の薬液の散布は、薬液がたば
この芯にかかってたばこの生育を阻害する恐れがあるの
で、実際に行なうことが困難であった。In addition, early application of chemicals to grand soccer (ground buds) before the arrest can be hindered by the fact that the chemicals may hang on the core of tobacco and hinder the growth of tobacco. It was difficult.
本発明の課題を解決するための手段は、下記のとおり
である。Means for solving the problems of the present invention are as follows.
第１に、界面活性剤を添加した薬液を供給する送液部
と、該送液部から供給された薬液を吐出する吐出口を有
する吐出部とからなり、吐出部にベンチュリー管状の流
路を形成すると共に、該流路に通じる空気取入孔をベン
チュリー管状の流路の最狭部の直後に設け、空気取入孔
より吐出口側の流路にネットスクリーンを取り付けた、
薬液散布装置。First, a liquid sending section for supplying a chemical solution to which a surfactant has been added, and a discharge section having a discharge port for discharging the chemical liquid supplied from the liquid sending section, and a venturi tubular flow path is provided in the discharge section. While forming, an air intake hole communicating with the flow path was provided immediately after the narrowest part of the venturi tubular flow path, and a net screen was attached to the flow path on the discharge port side from the air intake hole,
Chemical spraying device.
ここで、ベンチュリー管状の流路とは、流路の断面積
が、送液部側から吐出部側へ向けて、中央の最小断面部
分までは徐々に狭くなり、該最小断面積部分を境に徐々
に広くなるように形成された流路をいう。Here, the venturi tubular flow path means that the cross-sectional area of the flow path is gradually narrowed from the liquid sending part side to the discharge part side to a central minimum cross-sectional part, and the boundary area is defined by the minimum cross-sectional area part. It refers to a channel formed so as to be gradually widened.
なお、ネットスクリーンは、20〜60メッシュ程度、好
ましくは40メッシュ程度のものを用いる。The net screen is about 20 to 60 mesh, preferably about 40 mesh.
また、ネットスクリーンの使用枚数は、特に限定され
ないが、５枚程度を重ねて使用するのが好ましい。The number of net screens to be used is not particularly limited, but it is preferable to use about five net screens in a pile.
本発明に係る薬液散布装置によれば、界面活性剤が添
加された薬液が、送液部から吐出部へ供給される。ADVANTAGE OF THE INVENTION According to the chemical liquid spraying apparatus which concerns on this invention, the chemical liquid to which the surfactant was added is supplied from a liquid sending part to a discharge part.
吐出部に供給された薬液は、ベンチュリー管状の流路
を通って流速が早められ、空気取入孔より空気が混入さ
れた後、ネットスクリーンを通過することで、泡状とな
る。The flow rate of the chemical solution supplied to the discharge unit is increased through a venturi tubular flow path, air is mixed in from an air intake hole, and then passes through a net screen to form a foam.
そして、泡状の薬液が吐出口から散布される。 Then, a foamy chemical solution is sprayed from the discharge port.
泡状の薬液が散布される際には、薬液がゆっくりとし
たスピードで吐出され、また、粘性が強くはねにくいと
いう泡の特性により、周囲に飛散することなく幹の狙っ
た処へ集中的に散布できる。When a foamy chemical solution is sprayed, the chemical solution is discharged at a slow speed, and due to the characteristic of the foam that it is highly viscous and hard to splash, it concentrates on the target of the trunk without scattering to the surroundings Can be sprayed.
幹に付着した薬液は、幹の表面をゆっくりと流下して
葉元部のわき芽に十分に付着し、わき芽を抑制する。The chemical solution attached to the stem slowly flows down the surface of the stem and sufficiently adheres to the side shoots at the base of the leaves to suppress the side shoots.
以下、本発明の一実施例について説明する。 Hereinafter, an embodiment of the present invention will be described.
まず、本発明に係る薬液散布装置について、図面を参
照しながら説明する。First, a chemical spraying device according to the present invention will be described with reference to the drawings.
第１図は、本発明の薬液散布装置の側面図であり、第
２図は本発明の薬液散布装置の要部の縦断側面図であ
る。FIG. 1 is a side view of a chemical spraying device of the present invention, and FIG. 2 is a vertical sectional side view of a main part of the chemical spraying device of the present invention.
該実施例の薬液散布装置は、界面活性剤を添加した薬
液を供給する送液部Ａと、送液部Ａから供給された薬液
を吐出する吐出部Ｂとを備えている。The liquid medicine spraying apparatus according to this embodiment includes a liquid supply unit A for supplying a liquid chemical to which a surfactant is added, and a discharge unit B for discharging the liquid chemical supplied from the liquid supply unit A.
送液部Ａは、界面活性剤を１％程度添加した薬液の供
給を調節するレバー１を有している。The liquid sending section A has a lever 1 for adjusting the supply of a chemical solution to which about 1% of a surfactant is added.
レバー１には、ネジ込み構造により取り外し自在な噴
霧管２が取り付けられ、該噴霧管２の先端側に吐出部Ｂ
が設けられている。A spray tube 2 which is detachable by a screw-in structure is attached to the lever 1, and a discharge portion B is attached to the tip side of the spray tube 2.
Is provided.
吐出部Ｂは、詳細には第２図に示すように、内部にベ
ンチュリー管状の流路ａが形成された円筒状の本管３
と、該本管３にネジ込み構造により取り外し自在な拡張
管４と、拡張管４にネジ込み可能なガイド管５とを有し
ている。As shown in detail in FIG. 2, the discharge section B has a cylindrical main pipe 3 having a venturi-shaped flow path a formed therein.
And an expansion pipe 4 that can be detached from the main pipe 3 by a screwing structure, and a guide pipe 5 that can be screwed into the expansion pipe 4.
拡張管４とガイド管５との間には、20メッシュの３枚
のネットスクリーン６が、流路ａを遮断するように挟み
込まれている。Between the expansion pipe 4 and the guide pipe 5, three 20-mesh net screens 6 are sandwiched so as to block the flow path a.
本管３内部に形成されたベンチュリー状の流路ａは、
最小断面積部分である最狭部a1の径が1mm程度であり、
該最狭部a1の直後に、流路ａと通じる2mm程度の径の空
気取入孔７が形成されている。The venturi-shaped flow path a formed inside the main pipe 3 is:
The diameter of the narrowest part a1 which is the minimum cross-sectional area is about 1 mm,
Immediately after the narrowest part a1, an air intake hole 7 having a diameter of about 2 mm communicating with the flow path a is formed.
図中、８はガイド管５の先端に位置する薬液の吐出口
である。In the figure, reference numeral 8 denotes a discharge port for the chemical solution located at the tip of the guide tube 5.
該装置に用いる薬液には、薬液の表面張力を下げ泡が
生成しやすくなるように、１％程度の割合で、界面活性
剤を添加しておく。A surfactant is added to the chemical used in the apparatus at a rate of about 1% so that the surface tension of the chemical is reduced and bubbles are easily generated.
上記実施例に示した以外にも、本管の形状として、多
角形等を採用することもできる。In addition to those shown in the above embodiments, polygons and the like can be adopted as the shape of the main pipe.
また、吐出部Ｂは、図示したように噴霧管２の先端に
設けるだけでなく、図示は省略するが噴霧管２を外した
状態でレバー１の根基に吐出部Ｂを設けることもでき
る。The discharge section B can be provided not only at the tip of the spray tube 2 as shown in the figure, but also at the root of the lever 1 with the spray tube 2 removed, although not shown.
次に、上記装置の作用について説明する。 Next, the operation of the above device will be described.
界面活性剤が添加された薬液は、表面張力が低下して
泡状になりやすくなり、動噴の液圧により本管３へ供給
される。The chemical liquid to which the surfactant has been added has a reduced surface tension and tends to be foamed, and is supplied to the main pipe 3 by the liquid pressure of the dynamic jet.
ベンチュリー管状の流路ａに供給された薬液は、最狭
部a1で流速が最高になった後、拡張管４の内部の開放空
間に向けて噴出される噴射流となる。The chemical liquid supplied to the venturi tubular flow path a becomes a jet flow which is jetted toward the open space inside the expansion pipe 4 after the flow velocity becomes highest in the narrowest part a1.
この際、噴射流となる薬液には、空気取入孔７から空
気が供給される。At this time, air is supplied from the air intake hole 7 to the chemical liquid to be the jet flow.
すると、該薬液は、空気により攪拌されて細かい粒と
なり、ネットスクリーン６に激しく衝突する。Then, the chemical solution is agitated by air to form fine particles, and violently collides with the net screen 6.
その結果、薬液は、ネットスクリーン６の吐出口８側
で泡状となる。As a result, the liquid medicine becomes foamy on the discharge port 8 side of the net screen 6.
そして、泡状の薬液が、ガイド管５によって誘導され
つつ吐出口８より吐出され、幹の狙った処へ的確に散布
される。Then, the foamed chemical solution is discharged from the discharge port 8 while being guided by the guide tube 5, and is sprinkled accurately to the place targeted by the trunk.
幹へ付着した泡状の薬液は、ゆっくりと幹を流下し、
わき芽の抑制が図られる。The foamy drug solution attached to the stem slowly flows down the stem,
Side buds are suppressed.
本発明は以上説明したとおりであるので、次のような
効果を得ることができる。Since the present invention has been described above, the following effects can be obtained.
本発明では、薬液を泡状にして幹に付着させるので、
薬液が葉面へ付着したり、周囲へ飛散するのを防止する
ことができる。In the present invention, since the drug solution is attached to the trunk in the form of a foam,
It is possible to prevent the chemical solution from adhering to the leaf surface and scattering around.
また、泡状の薬液がゆっくりと幹を流下するので、薬
液と幹との接触時間が長くなり、薬液を無駄なく散布で
き、多量の薬液を必要としない。In addition, since the foamed chemical solution slowly flows down the stem, the contact time between the chemical solution and the stem is prolonged, the chemical solution can be sprayed without waste, and a large amount of the chemical solution is not required.
更に、心止め前のたばこ幹へも横から散布できるの
で、心止め前のグランドサッカーを対象とした、早い時
期での薬液の散布が可能となった。Furthermore, since the tobacco trunk can be sprayed from the side before being stopped, the chemical solution can be sprayed at an early stage for grand soccer before being stopped.
【図面の簡単な説明】 第１図：本発明の薬液散布装置の側面図 第２図：本発明の薬液散布装置の要部の縦断側面図 Ａ……送液部、Ｂ……吐出部 １……レバー、２……噴霧管 ３……本管、４……拡張管 ５……ガイド管、６……ネットスクリーン ７……空気取入孔、８……吐出口BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1: Side view of the chemical spraying device of the present invention FIG. 2: Longitudinal side view of main parts of the chemical spraying device of the present invention A. … Lever 2… spray pipe 3… main pipe 4… expansion pipe 5… guide pipe 6… net screen 7… air intake hole 8… discharge port
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭62−157556（ＪＰ，Ａ) 特開 昭61−74664（ＪＰ，Ａ) 実開 平３−115064（ＪＰ，Ｕ) 特公 昭61−30826（ＪＰ，Ｂ２) (58)調査した分野(Int.Cl.7，ＤＢ名) B05B 1/20 101 B05B 1/14 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-157556 (JP, A) JP-A-61-74664 (JP, A) JP-A-3-115064 (JP, U) 30826 (JP, B2) (58) Field surveyed (Int. Cl. 7 , DB name) B05B 1/20 101 B05B 1/14
Claims (1)
部と、該送液部から供給された薬液を吐出する吐出口を
有する吐出部とからなり、 吐出部にベンチュリー管状の流路を形成すると共に、該
流路に通じる空気取入孔をベンチュリー管状の流路の最
狭部の直後に設け、空気取入孔より吐出口側の流路にネ
ットスクリーンを取り付けた、薬液散布装置。1. A venturi tubular flow path comprising: a liquid sending section for supplying a chemical solution to which a surfactant is added; and a discharge section having a discharge port for discharging the chemical solution supplied from the liquid sending section. A chemical spraying device, wherein an air intake hole communicating with the flow path is provided immediately after the narrowest portion of the venturi-shaped flow path, and a net screen is attached to the flow path on the discharge port side from the air intake hole. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2312945A JP3032986B2 (en) | 1990-11-20 | 1990-11-20 | Chemical spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2312945A JP3032986B2 (en) | 1990-11-20 | 1990-11-20 | Chemical spraying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04187256A JPH04187256A (en) | 1992-07-03 |
| JP3032986B2 true JP3032986B2 (en) | 2000-04-17 |
Family
ID=18035368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2312945A Expired - Fee Related JP3032986B2 (en) | 1990-11-20 | 1990-11-20 | Chemical spraying device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3032986B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE500745T1 (en) * | 2003-10-02 | 2011-03-15 | Friesland Brands Bv | METHOD FOR STABILIZING AND PREPARING EDIBLE FOAM AND COMPOSITIONS CONTAINING EDIBLE FOAM |
| NL1024433C2 (en) * | 2003-10-02 | 2005-04-05 | Friesland Brands Bv | Manufacturing monodisperse foam involves forming monodisperse coarse prefoam from unfoamed liquid starting product, and passing prefoam through membrane with particular pore diameter |
| GB201122263D0 (en) * | 2011-12-23 | 2012-02-01 | Weeding Technologies Ltd | Weed control |
| US8814005B2 (en) * | 2012-04-27 | 2014-08-26 | Pibed Limited | Foam dispenser |
-
1990
- 1990-11-20 JP JP2312945A patent/JP3032986B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04187256A (en) | 1992-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |