JP2531537B2 - Chemical solution generation method - Google Patents

Chemical solution generation method

Info

Publication number
JP2531537B2
JP2531537B2 JP2042702A JP4270290A JP2531537B2 JP 2531537 B2 JP2531537 B2 JP 2531537B2 JP 2042702 A JP2042702 A JP 2042702A JP 4270290 A JP4270290 A JP 4270290A JP 2531537 B2 JP2531537 B2 JP 2531537B2
Authority
JP
Japan
Prior art keywords
chemical liquid
chemical
drug
tank
liquid tank
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
Application number
JP2042702A
Other languages
Japanese (ja)
Other versions
JPH03249932A (en
Inventor
博司 前川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maruyama Manufacturing Co Ltd
Original Assignee
Maruyama Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maruyama Manufacturing Co Ltd filed Critical Maruyama Manufacturing Co Ltd
Priority to JP2042702A priority Critical patent/JP2531537B2/en
Publication of JPH03249932A publication Critical patent/JPH03249932A/en
Application granted granted Critical
Publication of JP2531537B2 publication Critical patent/JP2531537B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Accessories For Mixers (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、スピードスプレーヤ等の薬液タンクに貯
蔵する薬液を粉粒状薬剤から生成する薬液生成方法に係
り、詳しくは所定の濃度の薬液を自動的に生成すること
ができる生成方法に関するものである。
Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chemical solution generation method for generating a chemical solution stored in a chemical solution tank such as a speed sprayer from a granular drug, and more specifically to a chemical solution having a predetermined concentration automatically. The present invention relates to a generation method that can be generated dynamically.

〔従来の技術〕[Conventional technology]

スピートスプレーヤに貯蔵する所定混合比の薬液を生
成する場合、従来方法では、計量した固形薬剤を所定量
の水に溶解させて薬液を薬液タンクの外部で生成し、作
業者は、薬液タンクの上部に上がって、薬液を上部投入
口より薬液タンク内へ投入したり、作業者は、薬液タン
クの上部に上がり、薬液タンク内へ水を導入しつつ、上
部投入口より薬液タンク内へ固形薬剤を投入したりして
いる。
When a chemical solution with a predetermined mixing ratio to be stored in a speed sprayer is generated, in the conventional method, a measured solid chemical is dissolved in a predetermined amount of water to generate the chemical solution outside the chemical solution tank. To the upper part of the liquid tank into the liquid tank, or the worker goes up to the upper part of the liquid tank to introduce water into the liquid tank, while introducing the solid drug into the liquid tank from the upper port. It is throwing in.

〔発明が解決しようとする課題〕[Problems to be Solved by the Invention]

従来方法の問題点を列挙すると、次の通りである。 The problems of the conventional method are listed below.

(a)作業者が、水の量を測定しつつ、混合比に基づい
て固形薬剤を計量し、投入する必要があり、作業が非常
に面倒となる。
(A) It is necessary for an operator to measure the amount of water and to measure and input the solid medicine based on the mixing ratio, which makes the work very troublesome.

(b)薬液タンク内への固形薬剤又は薬液の投入のため
に、作業者は薬液タンクの上部に上がる必要があり、労
力が増大している。
(B) The worker needs to go up to the upper part of the liquid medicine tank in order to put the solid medicine or the liquid medicine into the liquid medicine tank, which increases labor.

請求項1の発明の目的は、このような(a)及び
(b)の問題点を克服でき、かつ薬液タンク内の薬液が
計量部の方へ逆流するのを防止することができる薬液生
成方法を提供することである。
The object of the invention of claim 1 is to overcome the problems of (a) and (b) and to prevent the chemical solution in the chemical solution tank from flowing back toward the measuring section. Is to provide.

請求項2の発明の目的は、さらに、粉粒状薬剤の投入
量を正確に計量できる薬液生成方法を提供することであ
る。
It is an object of the invention of claim 2 to further provide a chemical liquid producing method capable of accurately measuring the amount of the powdered or granular drug input.

〔課題を解決するための手段〕[Means for solving the problem]

この発明を、実施例に対応する図面の符号を使用して
説明する。
The present invention will be described using the reference numerals of the drawings corresponding to the embodiments.

請求項1の薬液生成方法では、薬液タンク(24)への
水の導入流量を検出し、この導入流量と混合比とに基づ
いて計量部(56)における粉粒状薬剤(58)の導出流量
を制御し、計量部(56)において計量された粉粒状薬剤
(58)を、薬剤導入通路(50)を介して圧縮空気により
薬液タンク(24)へ運び、薬剤導入通路(50)内の圧力
が低下すると、薬剤導入通路(50)の薬液タンク(24)
側の個所を閉止する。
According to the chemical liquid production method of claim 1, the flow rate of water introduced into the chemical liquid tank (24) is detected, and the discharge flow rate of the powdery granular drug (58) in the measuring section (56) is determined based on this flow rate and the mixing ratio. The granular drug (58) which is controlled and measured in the measuring section (56) is conveyed to the chemical liquid tank (24) by compressed air through the chemical introduction passage (50), and the pressure in the chemical introduction passage (50) is increased. When lowered, the chemical liquid tank (24) in the chemical introduction passageway (50)
Close the side part.

請求項2の薬液生成方法では、計量部(56)におい
て、粉粒状薬剤(58)をインペラ(76)の間に装填され
て回転により導出口(64)へ運ぶインペラ付きロータ
(62)の回転量から粉粒状薬剤(58)の導出流量を計量
する。
In the chemical liquid producing method according to claim 2, rotation of the rotor (62) with an impeller, in which the powdery granular drug (58) is loaded between the impellers (76) and is conveyed to the outlet (64) by rotation in the measuring section (56). The discharge flow rate of the granular drug (58) is measured from the amount.

〔作用〕[Action]

請求項1の発明において、薬液タンク(24)への水の
導入流量と、薬液(20)における水量と粉粒状薬剤(5
8)の量との予め設定されている混合比とから、粉粒状
薬剤(58)の投入量が計算され、その計算結果に対応す
る量の粉粒状薬剤(58)が計量部(56)において計量、
導出される。導出された粉粒状薬剤(58)は、圧縮空気
により搬送されて、圧縮空気と共に薬液タンク(24)内
へ噴出される。圧縮空気は、粉粒状薬剤(58)の搬送
中、粉粒状薬剤(58)を微細化するとともに、薬液タン
ク(24)内への噴出の際に、粉粒状薬剤(58)を薬液タ
ンク(24)内の薬液(20)において攪拌する。上記にお
いて、薬剤導入通路(50)内の圧力が低下すると、薬剤
導入通路(50)の薬液タンク(24)側の個所が閉止され
る。これにより、薬液タンク(24)内の薬液(20)が薬
剤導入通路(50)へ逆流するのが防止される。
In the invention of claim 1, the flow rate of water introduced into the chemical liquid tank (24), the amount of water in the chemical liquid (20), and the granular drug (5
The input amount of the powdery granular drug (58) is calculated from the amount and the preset mixing ratio with the amount of 8), and the amount of the powdery granular drug (58) corresponding to the calculation result is measured in the measuring section (56). Measurement,
Derived. The discharged powdery granular drug (58) is conveyed by compressed air and is ejected into the chemical liquid tank (24) together with the compressed air. The compressed air atomizes the powdery granular drug (58) during the transportation of the powdery granular drug (58), and when the powdery granular drug (58) is ejected into the chemical liquid tank (24), the compressed air is discharged from the chemical liquid tank (24). A) Stir in the chemical solution (20). In the above, when the pressure in the drug introduction passage (50) is reduced, the part of the drug introduction passage (50) on the side of the chemical liquid tank (24) is closed. This prevents the drug solution (20) in the drug solution tank (24) from flowing back into the drug introduction passageway (50).

請求項2の発明では、インペラ付きロータ(62)は、
インペラ(76)の間に所定量の粉粒状薬剤(58)を装填
しつつ、回転し、インペラ(76)の間の粉粒状薬剤(5
8)は導出口(64)から導出される。インペラ付きロー
タ(62)の回転量が増加するに連れて、インペラ付きロ
ータ(62)のインペラ(76)により導出口(64)へ運ば
れる粉粒状薬剤(58)の量が増加し、この結果、導出口
(64)からの粉粒状薬剤(58)の導出量はインペラ付き
ロータ(62)の回転量に比例する。
In the invention of claim 2, the rotor with impeller (62) is
While loading a predetermined amount of the granular drug (58) between the impellers (76), it rotates and the granular drug (5) between the impellers (76) (5) is rotated.
8) is led out from the outlet (64). As the amount of rotation of the rotor with impeller (62) increases, the amount of powdered granular chemicals (58) carried to the outlet (64) by the impeller (76) of the rotor with impeller (62) increases. The amount of the powdered granular drug (58) discharged from the outlet (64) is proportional to the amount of rotation of the impeller-equipped rotor (62).

〔実施例〕〔Example〕

以下、この発明を図面の実施例について説明する。 Hereinafter, the present invention will be described with reference to the embodiments of the drawings.

第3図はスピードスプレーヤ10の概略的な側面図であ
る。スピードスプレーヤ10は、駆動輪としての前輪12及
び後輪14を備え、前後進可能となっている。さらに、ス
ピードスプレーヤ10は、前側から順番に、ステアリング
ホィール16を装備する運転席18と、薬液20を内部に貯蔵
し上部ほぼ中央に蓋22を開閉自在に設けられる薬液タン
ク24と、エンジン及びポンプ(図示せず)等の機械部を
収容するエンジンルーム26と、側方及び上方へ薬液20を
噴霧する複数個のノズル28の周辺部に沿って配列されて
いる噴頭30と、最後部に配設され後方から吸い込んだ空
気を噴頭30へ吐出する送風機32とを有している。
FIG. 3 is a schematic side view of the speed sprayer 10. The speed sprayer 10 is provided with front wheels 12 and rear wheels 14 as driving wheels and is capable of traveling in the forward and backward directions. Further, the speed sprayer 10 includes, in order from the front side, a driver's seat 18 equipped with a steering wheel 16, a chemical liquid tank 24 that stores a chemical liquid 20 inside and a lid 22 that is openable and closable in a substantially upper center, an engine and a pump. An engine room 26 for accommodating mechanical parts (not shown), spouts 30 arranged along the periphery of a plurality of nozzles 28 for spraying the chemical liquid 20 sideways and upwards, and a nozzle head 30 arranged at the rearmost part. And a blower 32 that discharges the air sucked from the rear to the jet nozzle 30.

第1図は薬液生成装置の構成図である。吸水通路34
は、一端においてストレーナ36を取付けられて、水源38
の水40内へ沈められ、水40を薬液タンク24へ導く。吸水
ポンプ42は、水源38の途中に配設され、モータ44により
駆動されて、水源38の水40を吸入して、薬液タンク24へ
送出する。流量計46は、吸水ポンプ42より薬液タンク24
側において吸水通路34に配設され、吸水ポンプ42から薬
液タンク24へ送出される水40の流量を検出する。電磁開
閉弁48は、薬液タンク24への吸水通路34の接続個所に配
設され、吸水通路34を開閉する。薬剤導入通路50は一端
側において薬液タンク24の下部に接続され、コンプレッ
サ52は、薬剤導入通路50の他端部に配設され、モータ54
により駆動されて、薬剤導入通路50の他端から吸入した
空気を加圧し、圧縮空気を薬液タンク24の方へ送出す
る。計量部56は、コンプレッサ52より薬液タンク24側に
おいて薬剤導入通路50に配設され、粉粒状薬液58を貯蔵
するタンク60を上部に有し、ロータ62の回転によりタン
ク60内の粉粒状薬剤58を導出口64に運んで、導出口64よ
り薬剤導入通路50内へ導出する。ロータ62はモータ66に
より回転を制御される。圧力センサ68は、計量部56より
薬液タンク24個の個所における薬剤導入通路50内の圧力
を検出する。電磁開閉弁70は、薬液タンク24への薬剤導
入通路50の接続個所に配設され、剤導入通路50を開閉す
る。フロートスイッチ72は、薬液タンク24内の下部に配
設され、薬液タンク24内の薬液20の残量に従ってオン、
オフする。マイクロコンピュータ74は、流量計46、圧力
センサ68及びフロートスイッチ72の検出信号を入力さ
れ、これらのデータに基づいてモータ44,54,66及び電磁
開閉弁48,70を制御する。
FIG. 1 is a block diagram of a chemical liquid generator. Water absorption passage 34
Has a strainer 36 attached at one end and a water source 38
It is submerged in the water 40, and the water 40 is guided to the chemical liquid tank 24. The water suction pump 42 is arranged in the middle of the water source 38, is driven by the motor 44, sucks the water 40 of the water source 38, and delivers it to the chemical liquid tank 24. The flow meter 46 has a chemical tank 24
Is arranged in the water absorption passage 34 on the side, and detects the flow rate of the water 40 sent from the water absorption pump 42 to the chemical liquid tank 24. The electromagnetic opening / closing valve 48 is arranged at a connection point of the water absorption passage 34 to the chemical liquid tank 24, and opens / closes the water absorption passage 34. The chemical introduction passage 50 is connected to the lower portion of the chemical liquid tank 24 at one end side, the compressor 52 is arranged at the other end of the chemical introduction passage 50, and the motor 54
Driven by, the air sucked from the other end of the medicine introducing passage 50 is pressurized, and the compressed air is sent to the chemical liquid tank 24. The metering unit 56 is disposed in the drug introducing passage 50 on the drug solution tank 24 side of the compressor 52, has a tank 60 for storing the powdery granular drug solution 58 in the upper part, and rotates the rotor 62 to rotate the powdery granular drug 58 in the tank 60. Is carried to the outlet 64 and is led out into the medicine introducing passage 50 from the outlet 64. The rotation of the rotor 62 is controlled by the motor 66. The pressure sensor 68 detects the pressure in the medicine introducing passage 50 at the 24 places of the chemical liquid tank from the measuring unit 56. The electromagnetic opening / closing valve 70 is arranged at a connection point of the medicine introducing passage 50 to the chemical liquid tank 24, and opens / closes the medicine introducing passage 50. The float switch 72 is disposed in the lower portion of the chemical liquid tank 24, and is turned on according to the remaining amount of the chemical liquid 20 in the chemical liquid tank 24,
Turn off. The microcomputer 74 receives the detection signals of the flow meter 46, the pressure sensor 68 and the float switch 72, and controls the motors 44, 54, 66 and the electromagnetic on-off valves 48, 70 based on these data.

第2図は計量部56の詳細な構造図である。計量部56
は、周方向へ等角度間隔にゴムインペラ76を備え、タン
ク60内の粉粒状薬剤58はゴムインペラ76の間の容積空間
に装填されて、導出口64へ運ばれる。ゴムインペラ76の
間の容積は一定量であるので、ゴムインペラ76の間の空
間が導出口64を通過する回数、すなわちロータ62の回転
量に比例して、導出口64から粉粒状薬剤58が導出され
る。ゴムインペラ76は、計量部56の下部を通過中、周縁
部を計量部56の壁部に密着しているので、計量部56内の
圧縮空気が計量部56へ逆流するのが阻止される。
FIG. 2 is a detailed structural diagram of the weighing unit 56. Weighing unit 56
The rubber impellers 76 are provided at equal angular intervals in the circumferential direction, and the powdery granular chemicals 58 in the tank 60 are loaded into the volume space between the rubber impellers 76 and conveyed to the outlet 64. Since the volume between the rubber impellers 76 is a constant amount, the number of times the space between the rubber impellers 76 passes through the outlet 64, that is, in proportion to the rotation amount of the rotor 62, the powdery granular drug 58 is led out from the outlet 64. It While the rubber impeller 76 is passing through the lower portion of the measuring unit 56, the peripheral edge portion is in close contact with the wall portion of the measuring unit 56, so that the compressed air in the measuring unit 56 is prevented from flowing back to the measuring unit 56.

実施例の作用について説明する。 The operation of the embodiment will be described.

マイクロコンピュータ74には、これから生成する薬液
20における水40と粉粒状薬液58との混合比が予め入力さ
れている。所定のスイッチ(図示せず)をオンにして、
マイクロコンピュータ74へ薬液20の生成開始を指示し、
これに伴って、モータ44,54,66が回転され、吸水ポンプ
42、コンプレッタ52及びロータ62が駆動される。これに
より、水源38の水40が吸水通路34を経て薬液タンク24内
へ導入され、圧縮空気がコンプレッサ52から薬剤導入通
路50へ送出され、また、タンク60の粉粒状薬剤58が、導
出口64より薬剤導入通路50へ導出され、コンプレッサ52
からの圧縮空気により薬剤導入通路50内を搬送され、薬
液タンク24の下部へ圧縮空気と共に噴出される。
The microcomputer 74 stores the chemical liquid to be generated
The mixing ratio of the water 40 and the granular drug solution 58 in 20 is input in advance. Turn on the specified switch (not shown),
Instruct the microcomputer 74 to start the production of the chemical liquid 20,
Along with this, the motors 44, 54, 66 are rotated, and the water absorption pump
42, compressor 52 and rotor 62 are driven. As a result, the water 40 of the water source 38 is introduced into the chemical liquid tank 24 through the water absorption passage 34, the compressed air is sent from the compressor 52 to the medicine introduction passage 50, and the powdery granular medicine 58 of the tank 60 is discharged from the outlet 64. Is led to the drug introduction passage 50, and the compressor 52
The compressed air from the inside is conveyed in the medicine introducing passage 50 and is jetted together with the compressed air to the lower part of the chemical liquid tank 24.

流量計46は吸水通路34における水40の流量、すなわち
薬液タンク24への水40の導入流量を検出する。マイクロ
コンピュータ74は、水40の導入流量を混合比で除すこと
により計量部56における粉粒状薬剤58の導出流量を計算
し、その計算値に対応する回転量だけモータ66及びロー
タ62を回転させる。この結果、計量された粉粒状薬液58
が薬剤導入通路50を経て薬液タンク24内へ投入され、水
40と粉粒状薬剤58とを所定の混合比で含んだ薬液20が薬
液タンク24に生成される。
The flow meter 46 detects the flow rate of the water 40 in the water absorption passage 34, that is, the flow rate of the water 40 introduced into the chemical liquid tank 24. The microcomputer 74 calculates the derived flow rate of the granular drug 58 in the measuring unit 56 by dividing the introduced flow rate of the water 40 by the mixing ratio, and rotates the motor 66 and the rotor 62 by the rotation amount corresponding to the calculated value. . As a result, 58
Is introduced into the chemical liquid tank 24 through the chemical introduction passage 50,
The drug solution 20 containing 40 and the granular drug 58 in a predetermined mixing ratio is generated in the drug solution tank 24.

圧縮空気は、薬剤導入通路50において粉粒状薬剤58の
搬送中に粉粒状薬剤58を粉砕するとともに、薬液タンク
24内への噴出の際に、粉粒状薬剤58を薬液タンク24内の
薬液20において攪拌する。
The compressed air crushes the powdery granular drug 58 during the transportation of the powdery granular drug 58 in the drug introducing passage 50, and also the chemical liquid tank.
At the time of ejection into the liquid 24, the granular drug 58 is stirred in the liquid medicine 20 in the liquid medicine tank 24.

薬液20の生成中、薬剤導入通路50内の圧力が低下する
と、これが圧力センサ68により検出され、電磁開閉弁70
が閉止される。これにより、薬液タンク24内の薬液20が
薬剤導入通路50及び計量部56へ逆流するのが防止され
る。
When the pressure in the chemical introduction passage 50 decreases during the generation of the chemical liquid 20, this is detected by the pressure sensor 68, and the electromagnetic opening / closing valve 70 is detected.
Is closed. This prevents the drug solution 20 in the drug solution tank 24 from flowing back to the drug introducing passage 50 and the measuring unit 56.

また、薬液20の生成中、薬液タンク24内の薬液20の量
が低下すると、フロートスイッチ72がこれを検出し、電
磁開閉弁70が閉止されて、薬液タンク24内への粉粒状薬
剤58及び圧縮空気の導入が中止されるとともに、コンプ
レッサ52及びロータ62の駆動が停止される。
Further, during the generation of the chemical liquid 20, when the amount of the chemical liquid 20 in the chemical liquid tank 24 decreases, the float switch 72 detects this, the electromagnetic on-off valve 70 is closed, and the granular drug 58 and into the chemical liquid tank 24 and. The introduction of compressed air is stopped, and the driving of the compressor 52 and the rotor 62 is stopped.

薬液20の生成終了は、薬液20の生成開始時に操作した
所定のスイッチをオフにして、マイクロコンピュータ74
の薬液20の生成終了の指示を与え、この結果、電磁開閉
弁48,70が閉止されるとともに、モータ44,54,66の回転
が停止され、薬液タンク24への水40、圧縮空気及び粉粒
状薬剤58の投入が中止される。
To end the production of the chemical liquid 20, the predetermined switch operated at the start of the production of the chemical liquid 20 is turned off, and the microcomputer 74
The instruction to stop the production of the chemical liquid 20 is given, and as a result, the electromagnetic opening / closing valves 48, 70 are closed, the rotations of the motors 44, 54, 66 are stopped, and the water 40, the compressed air and the powder to the chemical liquid tank 24 are stopped. The injection of the granular drug 58 is stopped.

〔発明の効果〕〔The invention's effect〕

請求項1の発明では、所定の混合比となるように、薬
液タンクへの水の導入流量から粉粒状薬剤の投入流量が
計量され、計量された粉粒状薬剤が圧縮空気と共に薬液
タンク内へ投入される。したがって、次の(a)〜
(d)の効果が生じる。
According to the first aspect of the present invention, the flow rate of the powdery or granular drug input is measured from the flow rate of the water introduced into the liquid chemical tank so that the predetermined mixing ratio is achieved, and the measured powdery or granular drug is put into the liquid chemical tank together with the compressed air. To be done. Therefore, the following (a)-
The effect of (d) occurs.

(a)作業者が、水の導入流量を測定したり、粉粒状薬
剤を計量したりする手間を省略しつつ、所定混合比の薬
液が自動的に生成されるので、作業能率が向上する。
(A) Since the operator does not need to measure the flow rate of water to be introduced or to measure the powdery or granular drug, the chemical liquid having a predetermined mixing ratio is automatically generated, so that the work efficiency is improved.

(b)粉粒状薬剤は、圧縮空気により搬送され、薬液タ
ンク内へ圧縮空気と共に噴出されるので、粉粒状薬剤の
補給個所は低い場合においても可能となる。したがっ
て、作業者は、薬液タンクへの粉粒状薬剤の投与のため
に、薬液タンクの上部へ上がる必要がなく、労力を軽減
することができる。
(B) The powdery or granular drug is conveyed by compressed air and is jetted together with the compressed air into the liquid medicine tank, so that the powdery or granular drug can be replenished at a low place. Therefore, the worker does not need to go up to the upper part of the liquid medicine tank in order to administer the powdery granular drug to the liquid medicine tank, and the labor can be reduced.

(c)作業者が粉粒状薬剤及び薬液に接触することが非
常に少なくなり、安全性が向上する。
(C) The worker is much less likely to come into contact with the powdery drug and the drug solution, and the safety is improved.

(d)粉粒状薬剤は、圧縮空気による搬送中、微細化さ
れるとともに、圧縮空気と共に薬液タンク内の薬液内へ
噴出されて、薬液内で攪拌されるので、薬液における粉
粒状薬剤の攪拌状態が改善される。
(D) Since the powdery granular drug is atomized during the transportation by compressed air and is jetted into the chemical liquid in the chemical liquid tank together with the compressed air to be stirred in the chemical liquid, the stirring state of the powdery granular drug in the chemical liquid Is improved.

(e)圧縮空気源等に異常が生じて、薬剤導入通路内の
圧力が低下すると、薬剤導入通路の薬液タンク側の個所
が閉止されるので、薬剤導入通路の圧力低下時に薬液タ
ンクから薬剤導入通路への薬液の逆流を防止することが
できる。
(E) When the pressure in the medicine introducing passage decreases due to an abnormality in the compressed air source, etc., the portion of the medicine introducing passage on the side of the medicine tank is closed, so that the medicine is introduced from the medicine tank when the pressure in the medicine introducing passage decreases. It is possible to prevent the chemical liquid from flowing back into the passage.

請求項2の発明では、計量部における粉粒状薬剤の計
量において、粉粒状薬剤を所定容積のインペラの間の空
間に装填しつつ、導出口へ運び、導出口から導出するよ
うになっているので、インペラ付きロータの回転量に比
例した粉粒状薬剤を導出口から導出することができ、計
量の精度を向上させることができる。
According to the second aspect of the present invention, when the powdery or granular drug is measured in the measuring unit, the powdery or granular drug is loaded into the space between the impellers of a predetermined volume, conveyed to the outlet, and discharged from the outlet. It is possible to lead out the powdery granular medicine in proportion to the rotation amount of the impeller-equipped rotor from the outlet and improve the accuracy of weighing.

【図面の簡単な説明】[Brief description of drawings]

図面はこの発明の実施例に関し、第1図は薬液生成装置
の構成図、第2図は計量部の詳細な構造図、第3図はス
ピードスプレーヤの概略的な側面図である。 20……薬液、24……薬液タンク、46……流量計、50……
薬剤導入通路、58……粉粒状薬剤、62……ロータ(イン
ペラ付きロータ)、64……導出口、70……電磁開閉弁、
72……フロートスイッチ、76……ゴムインペラ(インペ
ラ)。
The drawings relate to an embodiment of the present invention, FIG. 1 is a configuration diagram of a chemical liquid generating device, FIG. 2 is a detailed structural diagram of a measuring unit, and FIG. 3 is a schematic side view of a speed sprayer. 20 …… chemical solution, 24 …… chemical solution tank, 46 …… flowmeter, 50 ……
Drug introduction passage, 58 …… Powdered and granular medicine, 62 …… Rotor (rotor with impeller), 64 …… Outlet port, 70 …… Solenoid on-off valve,
72 …… Float switch, 76 …… Rubber impeller (impeller).

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】薬液タンク(24)への水の導入流量を検出
し、この導入流量と混合比とに基づいて計量部(56)に
おける粉粒状薬剤(58)の導出流量を制御し、前記計量
部(56)において計量された前記粉料状薬剤(58)を、
薬剤導入通路(50)を介して圧縮空気により前記薬液タ
ンク(24)へ運び、前記薬剤導入通路(50)内の圧力が
低下すると、前記薬剤導入通路(50)の薬液タンク(2
4)側の個所を閉止することを特徴とする薬液生成方
法。
1. A flow rate of water introduced into a chemical liquid tank (24) is detected, and a flow rate of powdery granular chemicals (58) discharged from a measuring section (56) is controlled based on the flow rate and a mixing ratio, The powdery medicine (58) weighed in the weighing unit (56),
When the compressed air is carried to the chemical liquid tank (24) through the chemical introduction passage (50) and the pressure in the chemical introduction passage (50) is reduced, the chemical liquid tank (2) of the chemical introduction passage (50) is
4) A method for producing a chemical solution, which is characterized in that the side part is closed.
【請求項2】前記計量部(56)では、粉粒状薬剤(58)
をインペラ(76)の間に装填されて回転により導出口
(64)へ運ぶインペラ付きロータ(62)の回転量から粉
粒状薬剤(58)の導出流量を計量することを特徴とする
請求項1記載の薬液生成方法。
2. The powdery granular drug (58) in the measuring section (56).
The discharge flow rate of the granular drug (58) is measured from the rotation amount of the rotor (62) with an impeller, which is loaded between the impellers (76) and is rotated to the discharge port (64). The method for producing a chemical liquid described.
JP2042702A 1990-02-26 1990-02-26 Chemical solution generation method Expired - Fee Related JP2531537B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2042702A JP2531537B2 (en) 1990-02-26 1990-02-26 Chemical solution generation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2042702A JP2531537B2 (en) 1990-02-26 1990-02-26 Chemical solution generation method

Publications (2)

Publication Number Publication Date
JPH03249932A JPH03249932A (en) 1991-11-07
JP2531537B2 true JP2531537B2 (en) 1996-09-04

Family

ID=12643390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2042702A Expired - Fee Related JP2531537B2 (en) 1990-02-26 1990-02-26 Chemical solution generation method

Country Status (1)

Country Link
JP (1) JP2531537B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3941866B2 (en) * 2002-10-15 2007-07-04 富士フイルム株式会社 Method and apparatus for adding powder in liquid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141080Y2 (en) * 1971-09-28 1976-10-06
JPS5323975U (en) * 1976-08-09 1978-02-28
JPS58205528A (en) * 1982-05-24 1983-11-30 Toray Ind Inc Mixing method of liquid and powder
JPS597032U (en) * 1982-07-06 1984-01-18 プラマツク株式会社 Measuring and mixing device
JPS63185434U (en) * 1987-05-23 1988-11-29
JPH048989Y2 (en) * 1987-07-10 1992-03-06

Also Published As

Publication number Publication date
JPH03249932A (en) 1991-11-07

Similar Documents

Publication Publication Date Title
US5580168A (en) Mixing system employing a dispersion tank with venturi input for dissolving water soluble additives into irrigation water
US4805088A (en) Method and apparatus for microprocessor controlled sprayer
JP2022050670A (en) Spray device having replaceable cartridge
US4456176A (en) Apparatus for processing and dispensing fertilizer or insecticide
EP1378293A1 (en) Method and system for the direct injection and dosing of active materials intended for phytosanitary product applicators
US6742718B2 (en) Electric rotary atomizing system for fluid applications
ES2063607A2 (en) Metered liquid dispensing system
RU1809750C (en) Device for application of chemical plant-protecting means
EA007368B1 (en) Apparatus, method, and system for applying substances to pre-harvested or harvested forage, grain, and crops
JP2009530107A5 (en)
WO1997046307A1 (en) A mixing or dissolving apparatus
JP2009530107A (en) Apparatus and method for dilution control
US5314120A (en) Device for applying plant-protecting compositions
US3570508A (en) Fertilizer injectors
US20100135101A1 (en) Minimum adjustment concrete delivery system
JP2531537B2 (en) Chemical solution generation method
CN214021462U (en) Automatic feeding spraying machine
US6138724A (en) Shipboard paint dispensing system
JPH11113336A (en) Chemical solution mixing apparatus for applicator of movable vehicle
JP3669737B2 (en) Multi-use sodium bicarbonate dissolution equipment
JP3751724B2 (en) Self-propelled control machine equipped with a chemical dilution mixer
KR101720245B1 (en) Medicinal fluid manufacturing device with mixture ratio set-up available for mushroom cultivation and method of the same
US2716306A (en) Aerosol generating machine
JPH0276738A (en) Powder spray device for prevention of ink seepage into rear side on printer
KR20210137708A (en) Mixing device and the water truck having this

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees