JPH0632209Y2 - Chemical spraying device - Google Patents
Chemical spraying deviceInfo
- Publication number
- JPH0632209Y2 JPH0632209Y2 JP1986008293U JP829386U JPH0632209Y2 JP H0632209 Y2 JPH0632209 Y2 JP H0632209Y2 JP 1986008293 U JP1986008293 U JP 1986008293U JP 829386 U JP829386 U JP 829386U JP H0632209 Y2 JPH0632209 Y2 JP H0632209Y2
- Authority
- JP
- Japan
- Prior art keywords
- chemical liquid
- tank
- suction passage
- water tank
- water
- 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 - Lifetime
Links
Landscapes
- Nozzles (AREA)
Description
【考案の詳細な説明】 (産業上の利用分野) 本考案は薬液散布装置、詳しくは、薬液タンク内に貯水
した殺虫、殺菌剤などの薬液をポンプ装置によりノズル
に供給し、該ノズルから散布するごとくした薬液散布機
に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a chemical liquid spraying device, more specifically, a chemical liquid such as an insecticide and a germicide stored in a chemical liquid tank is supplied to a nozzle by a pump device and sprayed from the nozzle. It is related to a chemical sprayer.
(従来の技術) 一般に、此種散布装置は、フレームに搭載したポンプ装
置及び該ポンプ装置の吸込通路に弁を介して連通する薬
液タンクと、前記ポンプ装置により加圧された加圧水の
圧力を制御する圧力制御弁とを備え、前記ポンプ装置の
吐出口に送液管を介してノズルを接続すると共に、前記
制御弁の余水口を余水通路を介して前記薬液タンクに連
通させている。(Prior Art) In general, this type of spraying device controls a pump device mounted on a frame, a chemical liquid tank communicating with a suction passage of the pump device via a valve, and a pressure of pressurized water pressurized by the pump device. And a pressure control valve for controlling the discharge pressure of the pump device, a nozzle is connected to the discharge port of the pump device via a liquid supply pipe, and a spill port of the control valve is connected to the chemical liquid tank via a spill passage.
(考案が解決しようとする問題点) 所が、以上の如く構成された散布装置は、トラクタに搭
載するか、又は、該トラクタで牽引する台車に搭載して
水源より遠く離れた場所で散布作業が行なわれるため、
特に近くに水源がない場所で散布作業が終了した場合、
前記薬液タンク内の薬液が流通した前記ポンプ装置、送
液管、ノズル、圧力制御弁、余水通路などの薬液流通路
を清水で洗うことはできなかったのである。(Problems to be solved by the invention) However, the spraying device configured as described above is mounted on a tractor, or mounted on a trolley towed by the tractor to perform spraying work at a place far from a water source. Is performed,
Especially when the spraying work is finished in a place where there is no water source nearby,
It was not possible to wash the chemical liquid flow passage such as the pump device, the liquid feed pipe, the nozzle, the pressure control valve, and the spill passage through which the chemical liquid in the chemical liquid tank circulated with fresh water.
このため、散布作業が終了した作業者は、前記散布装置
をわざわざ水源の近くに運んで新たに前記薬液タンク内
に清水を供給する作業が煩らわしいので、前記薬液流通
路を清水で洗わないことが多かったのである。その結
果、ノズルの内面に付着した薬液が固化したり、或いは
前記薬液タンク内の薬残渣が次回の散布作業時、前記ノ
ズルに供給されて、該ノズルが目詰りし易い問題があ
り、又、前記薬液流通路に付着した薬液が原因で前記薬
液流通路が腐食、或いは劣化し易くなり、それだけ前記
薬液流通路部分の寿命が短かくなる問題があった。For this reason, it is troublesome for an operator who finishes the spraying work to carry the spraying device near a water source to newly supply fresh water into the chemical solution tank, so that the chemical solution flow passage is washed with fresh water. It was often not. As a result, the chemical liquid adhering to the inner surface of the nozzle is solidified, or the chemical residue in the chemical liquid tank is supplied to the nozzle during the next spraying work, and there is a problem that the nozzle is likely to be clogged. The chemical liquid adhering to the chemical liquid flow passage is likely to corrode or deteriorate the chemical liquid flow passage, which shortens the life of the chemical liquid flow passage portion.
本考案の目的は、近くに水源がない場所で散布作業が終
了した場合でも、弁手段を操作するだけの簡単な操作で
前記薬液流通路を清水で洗うことができると共に、前記
薬液タンク内の薬残渣を排することができるようにする
ものである。The object of the present invention is to enable the chemical liquid flow passage to be washed with fresh water by a simple operation of operating the valve means even when the spraying work is completed in a place where there is no water source nearby and the chemical liquid tank It enables the removal of drug residues.
(問題点を解決するための手段) しかして、本考案は、ポンプ装置(1)と、該ポンプ装
置(1)の吸込通路(2)に連通し、上部に開放口(3
a)をもった薬液タンク(3)と、前記ポンプ装置
(1)により加圧された加圧液の圧力を制御する圧力制
御弁(4)とを備え、前記ポンプ装置(1)の吐出口に
送液管(5)を介してノズルを接続すると共に、前記制
御弁(4)の余水口を前記薬液タンク(3)に連通させ
た薬液散布装置において、洗浄水タンク(11)を設
け、この洗浄水タンク(11)を前記吸込通路(2)に
連結すると共に、前記薬液タンク(3)と吸込通路
(2)との連通時、前記洗浄水タンク(11)の前記吸
込通路(2)への連通を遮断し、前記洗浄水タンク(1
1)と吸込通路(2)との連通時、前記薬液タンク
(3)の吸込通路(2)への連通を遮断し、かつ、前記
洗浄水タンク(11)と薬液タンク(3)との連通時、
これら洗浄水タンク(11)及び薬液タンク(3)の吸
込通路(2)への連通を遮断する弁手段を設ける一方、
前記薬液タンク(3)に排出弁(13)を設けたもので
ある。(Means for Solving the Problems) In the present invention, therefore, the pump device (1) and the suction passage (2) of the pump device (1) are communicated with each other, and the upper opening (3) is provided.
A discharge port of the pump device (1), which comprises a chemical liquid tank (3) having a) and a pressure control valve (4) for controlling the pressure of the pressurized liquid pressurized by the pump device (1). In the chemical liquid spraying device, in which a nozzle is connected to the chemical liquid tank (3) via a liquid supply pipe (5) and the spill port of the control valve (4) is communicated with the chemical liquid tank (3), a wash water tank (11) is provided, The wash water tank (11) is connected to the suction passage (2), and at the time of communication between the chemical liquid tank (3) and the suction passage (2), the suction passage (2) of the wash water tank (11). To the washing water tank (1
At the time of communication between 1) and the suction passage (2), the communication between the chemical liquid tank (3) and the suction passage (2) is blocked, and the communication between the cleaning water tank (11) and the chemical liquid tank (3) is established. Time,
While providing valve means for shutting off the communication between the wash water tank (11) and the chemical liquid tank (3) to the suction passage (2),
The chemical liquid tank (3) is provided with a discharge valve (13).
(作用) 次に作用を図面と共に説明する。(Operation) Next, the operation will be described with reference to the drawings.
薬液タンク(3)内に貯水する場合、弁手段の操作によ
り洗浄水タンク(11)と薬液タンク(3)とを連通さ
せて、例えば前記開放口(3a)から薬液タンク(3)
内に給水することにより、この薬液タンク(3)と洗浄
水タンク(11)とに貯水できるのである。When water is stored in the chemical liquid tank (3), the cleaning water tank (11) and the chemical liquid tank (3) are made to communicate with each other by operating the valve means, and for example, the chemical liquid tank (3) is opened from the opening (3a).
By supplying water to the inside, water can be stored in the chemical liquid tank (3) and the wash water tank (11).
又、散布作業を行なう場合、弁手段の操作により洗浄水
タンク(11)と薬液タンク(3)との連通を遮断する
と共に、薬液タンク(3)を吸込通路(2)に連通さ
せ、ノズルを開いて前記ポンプ装置(1)を駆動するこ
とにより前記薬液タンク(3)内で混合した薬液をノズ
ルから噴射できるのである。Further, when performing the spraying work, the communication between the wash water tank (11) and the chemical solution tank (3) is cut off by operating the valve means, and the chemical solution tank (3) is communicated with the suction passage (2), so that the nozzle is By opening and driving the pump device (1), the chemical liquid mixed in the chemical liquid tank (3) can be jetted from the nozzle.
又、散布作業が終了した場合、弁手段の操作により洗浄
水タンク(11)を吸込通路(2)に連通させると共
に、洗浄水タンク(11)の薬液タンク(3)との連通
を遮断し、ノズルを開いてポンプ装置(1)を駆動する
ことにより、前記洗浄水タンク(11)内の清水を薬液
流通路に流して該薬液流通路内を洗うことができるので
あり、又、前記ポンプ装置(1)により加圧された洗浄
水の一部を圧力制御弁(4)の余水口から薬液タンク
(3)内に供給し、排出弁(13)を開いて薬液タンク
(3)内の薬残渣を外部に排出するのである。When the spraying work is completed, the washing water tank (11) is made to communicate with the suction passage (2) by operating the valve means, and the washing water tank (11) is cut off from the chemical solution tank (3). By opening the nozzle and driving the pump device (1), the clean water in the washing water tank (11) can be made to flow into the chemical liquid flow passage to wash the inside of the chemical liquid flow passage. Part of the wash water pressurized by (1) is supplied from the spill port of the pressure control valve (4) into the chemical liquid tank (3), and the discharge valve (13) is opened to open the chemical in the chemical liquid tank (3). The residue is discharged to the outside.
(実施例) 図示した散布装置は、エンジンなどの原動機(図示せ
ず)に連動するポンプ装置(1)と、該ポンプ装置
(1)の吸込通路(2)に連通し、上部に開放口(3
a)をもった薬液タンク(3)と、前記ポンプ装置
(1)により加圧された加圧液の圧力を制御する圧力制
御弁(4)とを備え、前記ポンプ装置(1)の吐出口に
送液管(5)を介して複数個のノズル(図示せず)を接
続すると共に、前記制御弁(4)の余水口を余水通路
(6)を介して前記薬液タンク(3)の上部に連通させ
て、前記ポンプ装置(1)により加圧された加圧液の一
部又は全量を前記薬液タンク(3)内に供給する如く構
成したものである。又、前記吸込通路(2)は、可撓性
ホースなどの管から成り、この吸込通路(2)の途中に
三方切換弁(7)を介して吸水管(20)を接続し、こ
の吸水管(20)に逆止弁(8)を介装し、また、前記
吸込通路(2)における三方切換弁(7)とポンプ装置
(1)との間にストレーナ(9)を介装している。又、
前記制御弁(4)は、前記送液管(5)の途中に介装し
ており、又、この送液管(5)における前記制御弁
(4)とノズルとの間にエアーチャンバー(10)を設
けている。(Example) The illustrated spraying device communicates with a pump device (1) interlocking with a prime mover (not shown) such as an engine and a suction passage (2) of the pump device (1), and has an opening ( Three
A discharge port of the pump device (1), which comprises a chemical liquid tank (3) having a) and a pressure control valve (4) for controlling the pressure of the pressurized liquid pressurized by the pump device (1). Is connected to a plurality of nozzles (not shown) via a liquid delivery pipe (5), and the spill port of the control valve (4) is connected to the chemical liquid tank (3) via a spill passage (6). It is configured to communicate with the upper part and to supply a part or all of the pressurized liquid pressurized by the pump device (1) into the chemical liquid tank (3). The suction passage (2) is made of a pipe such as a flexible hose, and a water suction pipe (20) is connected to the suction passage (2) via a three-way switching valve (7). A check valve (8) is installed in (20), and a strainer (9) is installed in the suction passage (2) between the three-way switching valve (7) and the pump device (1). . or,
The control valve (4) is interposed in the middle of the liquid feeding pipe (5), and the air chamber (10) is provided between the control valve (4) and the nozzle in the liquid feeding pipe (5). ) Is provided.
しかして、第1〜3図に示した実施例では、洗浄水タン
ク(11)を設け、この洗浄水タンク(11)の下部
を、連結路(14)を介して前記吸込通路(2)に連結
すると共に、前記薬液タンク(3)と吸込通路(2)と
の連通時、前記洗浄水タンク(11)の前記吸込通路
(2)への連通を遮断し、前記洗浄水タンク(11)と
吸込通路(2)との連通時、前記薬液タンク(3)の吸
込通路(2)への連通を遮断し、かつ、前記洗浄水タン
ク(11)と薬液タンク(3)との連通時、これら洗浄
水タンク(11)及び薬液タンク(3)の吸込通路
(2)への連通を遮断する弁手段(12)を設け一方、
前記薬液タンク(3)の底部に排出弁(13)を設けた
のである。Therefore, in the embodiment shown in FIGS. 1 to 3, a washing water tank (11) is provided, and the lower portion of the washing water tank (11) is connected to the suction passage (2) via the connecting passage (14). In addition to being connected, when the chemical liquid tank (3) and the suction passage (2) communicate with each other, the communication of the wash water tank (11) with the suction passage (2) is cut off, and the wash water tank (11) When the communication with the suction passage (2) is cut off, the communication of the chemical liquid tank (3) with the suction passage (2) is blocked, and when the cleaning water tank (11) and the chemical liquid tank (3) are communicated with each other, While providing valve means (12) for shutting off the communication of the wash water tank (11) and the chemical liquid tank (3) to the suction passage (2),
The discharge valve (13) is provided at the bottom of the chemical liquid tank (3).
以上の構成において、前記洗浄水タンク(11)は、前
記薬液タンク(3)よりも小形に形成して、その上部に
フロートバルブ(16)を、又、底面に排水弁(17)
をそれぞれ設けている。尚、前記洗浄水タンク(11)
は、前記薬液タンク(3)と別に形成する他、一体に形
成してもよい。In the above structure, the wash water tank (11) is formed smaller than the chemical liquid tank (3), and the float valve (16) is provided on the upper portion and the drain valve (17) is provided on the bottom surface.
Are provided respectively. The washing water tank (11)
May be formed separately from the chemical liquid tank (3) or may be integrally formed.
又、前記弁手段は、三方切換弁(12)から成り、この
三方切換弁(12)を前記連結路(14)の吸込通路
(2)との連結部に接続して、前記薬液タンク(3)内
への貯水時、前記洗浄水タンク(11)を薬液タンク
(3)に連通すると共に、洗浄水タンク(11)の吸込
通路(2)との連通を遮断し、又、洗浄水タンク(1
1)内の清水の取水時、前記洗浄水タンク(11)を吸
込通路(2)に連通すると共に、洗浄水タンク(11)
の薬液タンク(3)との連通を遮断するのである。Further, the valve means comprises a three-way switching valve (12), and the three-way switching valve (12) is connected to a connection portion of the connection passage (14) with the suction passage (2) to provide the chemical liquid tank (3). ), The washing water tank (11) is communicated with the chemical liquid tank (3), the communication with the suction passage (2) of the washing water tank (11) is cut off, and the washing water tank (3 1
When the clean water in 1) is taken, the wash water tank (11) is communicated with the suction passage (2) and the wash water tank (11)
The communication with the chemical liquid tank (3) is blocked.
尚、前記余水通路(6)は、第1図の如く単に薬液タン
ク(3)内に開口させる他、例えば、薬液タンク(3)
内への突入端を延長して、この延長部を前記薬液タンク
(3)の側壁内面に沿わせると共に、前記延長部に複数
個の孔を設けて、余水通路(6)から薬液タンク(3)
内に流入する余水が前記側壁内面に沿って落下するよう
に構成するのが好ましい。斯くすることにより、薬液タ
ンク(3)内で混合した薬液の前記余水による泡立ちを
防止できるし、又、薬液タンク(3)の側壁内面を清水
で洗うことができるのである。The spillway (6) is simply opened in the chemical liquid tank (3) as shown in FIG.
The extended end is extended so that the extended portion extends along the inner surface of the side wall of the chemical liquid tank (3), and a plurality of holes are provided in the extended portion to allow the chemical liquid tank (6) to flow from the spillway (6). 3)
It is preferable that the spilled water flowing into the inner wall falls along the inner surface of the side wall. By doing so, it is possible to prevent the chemical liquid mixed in the chemical liquid tank (3) from foaming due to the residual water, and to wash the inner surface of the side wall of the chemical liquid tank (3) with fresh water.
以上の如く構成した散布装置は、主としてトラクタに搭
載するか、又は、該トラクタで牽引する台車に搭載して
水源より遠く離れた場所に運搬し、散布作業が行なわれ
るのである。The spraying device configured as described above is mainly mounted on a tractor, or is mounted on a trolley towed by the tractor and transported to a place far from a water source for spraying work.
しかして、薬液タンク(3)内に貯水する場合、全ての
ノズルを閉じ、第1図の如く三方切換弁(12)を操作
して、洗浄水タンク(11)を薬液タンク(3)に連通
させ、洗浄水タンク(11)の吸込通路(2)との連通
を遮断すると共に、三方切換弁(7)を操作して吸水管
(20)を吸込通路(2)に連通し、ポンプ装置(1)
を駆動するのである。すると、水源の清水は、吸水管
(20)及び吸込通路(2)からポンプ装置(1)内に
吸込まれ、該ポンプ装置(1)により加圧されて、送液
管(5)に吐出され、この送液管(5)から圧力制御弁
(4)の余水口及び余水通路(6)を経て薬液タンク
(3)内に供給されると共に、この薬液タンク(3)内
の水の一部が洗浄水タンク(11)内に自然に流入し、
これら各タンク(3)(11)内に貯水することができ
るのである。そして、洗浄水タンク(11)内の水が一
杯になると、フロートバルブ(16)が動作し、洗浄水
タンク(11)内への水の流入は止まるのである。尚、
水源に送水設備がある場合は、この送水設備を利用して
前記薬液タンク(3)の上面開放口(3a)から該薬液
タンク(3)内に清水を供給できるので、前記ポンプ装
置(1)を駆動しなくとも、前記三方切換弁(12)を
操作して前記洗浄水タンク(11)を薬液タンク(3)
に連通させるだけでよいのである。Then, when water is stored in the chemical liquid tank (3), all nozzles are closed and the three-way switching valve (12) is operated as shown in FIG. 1 to connect the wash water tank (11) to the chemical liquid tank (3). Then, the communication with the suction passageway (2) of the wash water tank (11) is blocked, and the three-way switching valve (7) is operated to communicate the water suction pipe (20) with the suction passageway (2). 1)
Drive. Then, the fresh water of the water source is sucked into the pump device (1) through the water suction pipe (20) and the suction passage (2), is pressurized by the pump device (1), and is discharged to the liquid feeding pipe (5). While being supplied from the liquid supply pipe (5) to the chemical liquid tank (3) through the spill port and the spillway (6) of the pressure control valve (4), one of the water in the chemical liquid tank (3) is supplied. Part naturally flows into the wash water tank (11),
Water can be stored in each of these tanks (3) and (11). When the water in the wash water tank (11) becomes full, the float valve (16) operates and the inflow of water into the wash water tank (11) is stopped. still,
When the water source has a water supply facility, the water supply facility can be used to supply fresh water into the chemical liquid tank (3) from the upper opening (3a) of the chemical liquid tank (3). The three-way switching valve (12) is operated to drive the cleaning water tank (11) into the chemical liquid tank (3) without driving
All you have to do is to connect to.
又、散布作業を行なう場合、第2図の如く三方切換弁
(12)を操作して、洗浄水タンク(11)の薬液タン
ク(3)及び吸込通路(2)との連通を遮断し、薬液タ
ンク(3)を吸込通路(2)に連通させ、三方切換弁
(7)を操作して吸水管(20)の吸込通路(2)との
連通を遮断し、前記ポンプ装置(1)を駆動すると共
に、ノズルを開くのである。すると、前記薬液タンク
(3)内で混合した薬液は、吸込通路(2)からポンプ
装置(1)内に吸込まれ、該ポンプ装置(1)により加
圧されて前記ノズルから噴射されるのである。Further, when performing the spraying work, the three-way switching valve (12) is operated as shown in FIG. 2 to cut off the communication between the cleaning water tank (11) with the chemical liquid tank (3) and the suction passage (2), and the chemical liquid The tank (3) is connected to the suction passage (2), the three-way switching valve (7) is operated to cut off the communication of the water suction pipe (20) with the suction passage (2), and the pump device (1) is driven. At the same time, the nozzle is opened. Then, the chemical liquid mixed in the chemical liquid tank (3) is sucked into the pump device (1) from the suction passage (2), pressurized by the pump device (1), and ejected from the nozzle. .
又、散布作業が終了した場合、第3図の如く三方切換弁
(12)を操作して洗浄水タンク(11)を吸込通路
(2)に連通させると共に、洗浄水タンク(11)の薬
液タンク(3)との連通を遮断して、ポンプ装置(1)
を駆動すると共に、全てのノズルを開くのである。する
と、洗浄水タンク(11)内の清水は、吸込通路(2)
からポンプ装置(1)内に吸込まれ、該ポンプ装置(1
1)により加圧されて前記ノズルから外部に放出される
のであり、又、前記送液管(5)内に吐出された加圧水
の一部が圧力制御弁(4)の余水口に流れて、余水通路
(6)から薬液タンク(3)内に供給されるのである。
このため、前記吸込通路(2)、ポンプ装置(1)、送
液管(5)、ノズル、圧力制御弁(4)及び余水通路
(6)などの薬液流通路を清水で洗うことができるので
あり、又、排出弁(13)を開くことにより、薬液タン
ク(3)内の薬残渣を、薬液タンク(3)内に供給した
清水と共に外部に排出することができるのである。Further, when the spraying work is completed, the three-way switching valve (12) is operated to connect the wash water tank (11) to the suction passage (2) as shown in FIG. 3 and the chemical liquid tank of the wash water tank (11). The pump device (1) is cut off from the communication with (3).
Drive all the nozzles. Then, the clean water in the wash water tank (11) is sucked into the suction passage (2).
Is sucked into the pump device (1) from the
It is pressurized by 1) and discharged from the nozzle to the outside, and part of the pressurized water discharged into the liquid sending pipe (5) flows to the spill port of the pressure control valve (4), It is supplied from the spillway (6) into the chemical liquid tank (3).
Therefore, the chemical liquid flow passages such as the suction passage (2), the pump device (1), the liquid feed pipe (5), the nozzle, the pressure control valve (4) and the spill passage (6) can be washed with clean water. Further, by opening the discharge valve (13), the chemical residue in the chemical liquid tank (3) can be discharged to the outside together with the fresh water supplied into the chemical liquid tank (3).
又、前記洗浄水タンク(11)に設けた排水弁(17)
を開くことにより、洗浄水を外部に取水できるので、散
布作業時、目詰りしたノズルの目詰りを作業者が直す場
合など作業者の手に薬液が付着した場合、この手を清水
で洗うことができるのであり、又、前記ストレーナ
(9)の清水による清掃も行なうことができるのであ
る。Also, a drain valve (17) provided in the wash water tank (11)
The washing water can be taken out by opening the.If the chemical solution adheres to the operator's hand during spraying work, such as when the operator repairs the clogging of the clogged nozzle, wash this hand with clean water. It is also possible to clean the strainer (9) with fresh water.
又、前記送液管(5)に洗浄ノズルをもったホースを接
続すると、散布作業後、前記洗浄水タンク(11)内に
残った洗浄水を前記洗浄ノズルから噴射して薬液散布装
置の表面及びトラクタの表面を洗浄することも可能であ
る。When a hose having a cleaning nozzle is connected to the liquid supply pipe (5), after the spraying work, the cleaning water remaining in the cleaning water tank (11) is sprayed from the cleaning nozzle and the surface of the chemical liquid spraying device is sprayed. It is also possible to clean the surface of the tractor.
尚、以上説明した実施例では、吸込通路(2)に、三方
切換弁(7)を介して吸水管(20)を接続している
が、この吸水管(20)及び前記三方切換弁(7)は必
らずしも必要でない。In the embodiment described above, the water suction pipe (20) is connected to the suction passage (2) through the three-way switching valve (7), but the water suction pipe (20) and the three-way switching valve (7) are connected. ) Is not absolutely necessary.
又、以上説明した実施例では、弁手段とし一つの三方切
換弁(12)を用いたが、その他、第4図の如く二つの
開閉弁(18)(19)と前記三方切換弁(7)とを用
いてもよい。この第4図に示したものは、一方の第1開
閉弁(18)を、薬液タンク(3)と前記三方切換弁
(7)との間における吸込通路(2)に設けると共に、
前記連結路(14)を、前記第1開閉弁(18)と前記
三方切換弁(7)との間における吸込通路(2)に連結
して、他方の第2開閉弁(19)を前記連結路(14)
の途中に設けるのである。又、この実施例において、前
記各タンク(3)(11)への貯水時は、前記第1及び
第2開閉弁(18)(19)を開とし、前記三方切換弁
(7)により吸水管(20)を吸込通路(2)における
ポンプ装置(1)側に連通し、吸水管(20)と吸込通
路(2)における薬液タンク(3)側とが連通しないよ
うにするのであり、又、散布作業時は、前記第1開閉弁
(18)を開とし、第2開閉弁(19)を閉とし、三方
切換弁(7)により吸水管(20)の吸込通路(2)と
の連通を遮断するのであり、又、洗浄作業時は、前記第
1開閉弁(18)を閉とし、第2開閉弁(19)を開と
するのである。Also, in the embodiment described above, one three-way switching valve (12) was used as the valve means, but in addition, two on-off valves (18) (19) and the three-way switching valve (7) as shown in FIG. And may be used. In the valve shown in FIG. 4, one first on-off valve (18) is provided in the suction passage (2) between the chemical liquid tank (3) and the three-way switching valve (7), and
The connection passage (14) is connected to the suction passage (2) between the first opening / closing valve (18) and the three-way switching valve (7), and the other second opening / closing valve (19) is connected to the connection passage (14). Road (14)
It is provided in the middle of the. In addition, in this embodiment, when water is stored in each of the tanks (3) and (11), the first and second on-off valves (18) and (19) are opened, and the three-way switching valve (7) is used to absorb water. (20) communicates with the pump device (1) side of the suction passage (2) so that the water suction pipe (20) and the chemical liquid tank (3) side of the suction passage (2) do not communicate with each other, and During the spraying work, the first opening / closing valve (18) is opened, the second opening / closing valve (19) is closed, and the three-way switching valve (7) establishes communication with the suction passage (2) of the water suction pipe (20). In addition, the first on-off valve (18) is closed and the second on-off valve (19) is opened during the cleaning operation.
(考案の効果) 以上の如く本考案は、ポンプ装置(1)と、該ポンプ装
置(1)の吸込通路(2)に連通し、上部に開放口(3
a)をもった薬液タンク(3)と、ポンプ装置(1)に
より加圧された加圧液の圧力を制御する圧力制御弁
(4)とを備え、ポンプ装置(1)の吐出口に送液管
(5)を介してノズルを接続すると共に、制御弁(4)
の余水口を薬液タンク(3)に連通させた薬液散布装置
において、洗浄水タンク(11)を設け、この洗浄水タ
ンク(11)を吸込通路(2)に連結すると共に、薬液
タンク(3)と吸込通路(2)との連通時、洗浄水タン
ク(11)の吸込通路(2)への連通を遮断し、洗浄水
タンク(11)と吸込通路(2)との連通時、薬液タン
ク(3)の吸込通路(2)への連通を遮断し、かつ、洗
浄水タンク(11)と薬液タンク(3)との連通時、こ
れら洗浄水タンク(11)及び薬液タンク(3)の吸込
通路(2)への連通を遮断する弁手段を設ける一方、薬
液タンク(3)に排出弁(13)を設けたから、近くに
水源がない場所で散布作業が終了した場合、散布装置を
わざわざ水源の近くに運んで新たに前記薬液タンク
(3)内に清水を供給しなくとも、前記弁手段を操作す
るだけの簡単な操作で前記洗浄水タンク(11)内の洗
浄水を薬液が流通したポンプ装置(1)、送液管
(5)、ノズル、圧力制御弁(4)、余水通路(6)な
どの薬液流通路を洗浄でき、更に、排出弁13を開放す
ることにより、液タンク(3)内の薬残渣を、前記取水
した洗浄水とともに外部に排出することができるので
る。従って、ノズル内面に付着して固化した薬液及び薬
液タンク(3)内の薬残渣によるノズルの目詰りを防止
できると共に、前記薬液流通路部分の薬液による腐食及
び劣化を最小にでき、それだけ前記薬液流通路部分の寿
命を長くでき、耐久性を高めることができるのである。(Effects of the Invention) As described above, the present invention communicates with the pump device (1) and the suction passage (2) of the pump device (1), and has an opening (3) at the top.
A chemical liquid tank (3) having a) and a pressure control valve (4) for controlling the pressure of the pressurized liquid pressurized by the pump device (1) are provided to the discharge port of the pump device (1). A nozzle is connected through a liquid pipe (5) and a control valve (4)
In the chemical liquid spraying device in which the spill port of is communicated with the chemical liquid tank (3), a cleaning water tank (11) is provided, and the cleaning water tank (11) is connected to the suction passage (2) and the chemical liquid tank (3) When the washing water tank (11) communicates with the suction passage (2), the washing water tank (11) is blocked from communicating with the suction passage (2). 3) blocking the communication to the suction passage (2), and at the time of communicating the washing water tank (11) and the chemical liquid tank (3), the suction passages of these washing water tank (11) and the chemical liquid tank (3) Since the discharge means (13) is provided in the chemical liquid tank (3) while the valve means for shutting off the communication with (2) is provided, when the spraying work is finished in a place where there is no water source nearby, the spraying device is purposely used. Bring it near and supply fresh water into the chemical tank (3). Even if not, the pump device (1) through which the chemical solution has flowed through the cleaning water in the cleaning water tank (11), the liquid supply pipe (5), the nozzle, the pressure control valve ( 4), the chemical liquid flow passages such as the spillway (6) can be washed, and further, by opening the discharge valve 13, the chemical residue in the liquid tank (3) is discharged to the outside together with the taken-in washing water. You can do it. Therefore, it is possible to prevent clogging of the nozzle due to the chemical liquid adhered to the inner surface of the nozzle and solidified and the chemical residue in the chemical liquid tank (3), and to minimize the corrosion and deterioration of the chemical liquid flow passage portion due to the chemical liquid. The life of the flow passage portion can be extended and the durability can be improved.
しかも、前記弁手段は、薬液タンク(3)と吸込通路
(2)との連通時、洗浄水タンク(11)の吸込通路
(2)への連通を遮断し、洗浄水タンク(11)と吸込
通路(2)との連通時、薬液タンク(3)の吸込通路
(2)への連通を遮断し、洗浄水タンク(11)と薬液
タンク(3)との連通時、これら洗浄水タンク(11)
及び薬液タンク(3)の吸込通路(2)への連通を遮断
するようにしたものであるから、薬液タンク(3)内の
貯水時、前記弁手段の操作で洗浄水タンク(11)に貯
水することができ、洗浄水タンク(11)への貯水が簡
易であり、更に、散布作業時、前記弁手段の操作で薬液
タンク(3)内の薬液だけをポンプ装置(1)に吸込む
ことができるから、前記洗浄水タンク(11)内の貯水
を維持できるのである。Moreover, the valve means shuts off the communication of the wash water tank (11) with the suction passage (2) when the chemical liquid tank (3) and the suction passage (2) are in communication with each other. At the time of communication with the passage (2), the communication of the chemical liquid tank (3) to the suction passage (2) is blocked, and at the time of communication between the cleaning water tank (11) and the chemical liquid tank (3), these cleaning water tanks (11) )
Since the communication with the suction passageway (2) of the chemical liquid tank (3) is cut off, when storing water in the chemical liquid tank (3), the water is stored in the wash water tank (11) by operating the valve means. The cleaning water tank (11) can be easily stored with water, and during spraying work, only the chemical solution in the chemical solution tank (3) can be sucked into the pump device (1) by operating the valve means. Therefore, the stored water in the wash water tank (11) can be maintained.
第1図は本考案散布装置の一実施例を示す配管系統図、
第2図及び第3図は液体の流れを示す説明図、第4図は
別の実施例を示す要部のみの説明図である。 (1)……ポンプ装置 (2)……吸込通路 (3)……薬液タンク (4)……圧力制御弁 (5)……送液管 (11)……洗浄水タンク (13)……排出弁FIG. 1 is a piping system diagram showing an embodiment of the spraying device of the present invention,
2 and 3 are explanatory views showing the flow of the liquid, and FIG. 4 is an explanatory view showing only a main part of another embodiment. (1) …… Pump device (2) …… Suction passage (3) …… Chemical solution tank (4) …… Pressure control valve (5) …… Liquid delivery pipe (11) …… Wash water tank (13) …… Discharge valve
Claims (1)
の吸込通路(2)に連通し、上部に開放口(3a)をも
った薬液タンク(3)と、ポンプ装置(1)により加圧
された加圧液の圧力を制御する圧力制御弁(4)とを備
え、ポンプ装置(1)の吐出口に送液管(5)を介して
ノズルを接続すると共に、制御弁(4)の余水口を薬液
タンク(3)に連通させた薬液散布装置において、洗浄
水タンク(11)を設け、この洗浄水タンク(11)を
吸込通路(2)に連結すると共に、薬液タンク(3)と
吸込通路(2)との連通時、洗浄水タンク(11)の吸
込通路(2)への連通を遮断し、洗浄水タンク(11)
と吸込通路(2)との連通時、薬液タンク(3)の吸込
通路(2)への連通を遮断し、かつ、洗浄水タンク(1
1)と薬液タンク(3)との連通時、これら洗浄水タン
ク(11)及び薬液タンク(3)の吸込通路(2)への
連通を遮断する弁手段を設ける一方、薬液タンク(3)
に排出弁(13)を設けたことを特徴とする薬液散布装
置。1. A pump device (1) and the pump device (1).
Of the chemical liquid tank (3) communicating with the suction passage (2) of the pump and having an opening (3a) at the top, and a pressure control valve (4) for controlling the pressure of the pressurized liquid pressurized by the pump device (1). ) And a nozzle connected to the discharge port of the pump device (1) through the liquid feed pipe (5), and the spill port of the control valve (4) communicates with the chemical liquid tank (3). In the above, a washing water tank (11) is provided, the washing water tank (11) is connected to the suction passage (2), and at the time of communication between the chemical liquid tank (3) and the suction passage (2), the washing water tank (11) ) To the suction passage (2), and the washing water tank (11)
At the time of communication between the suction passageway (2) and the suction passageway (2), the communication of the chemical liquid tank (3) to the suction passageway (2) is blocked, and the washing water tank (1)
A valve means is provided for shutting off the communication between the wash water tank (11) and the chemical solution tank (3) to the suction passage (2) when the chemical solution tank (3) is communicated with the chemical solution tank (3).
A chemical liquid spraying device, characterized in that a discharge valve (13) is provided in the.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986008293U JPH0632209Y2 (en) | 1986-01-23 | 1986-01-23 | Chemical spraying device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986008293U JPH0632209Y2 (en) | 1986-01-23 | 1986-01-23 | Chemical spraying device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62123264U JPS62123264U (en) | 1987-08-05 |
JPH0632209Y2 true JPH0632209Y2 (en) | 1994-08-24 |
Family
ID=30792542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986008293U Expired - Lifetime JPH0632209Y2 (en) | 1986-01-23 | 1986-01-23 | Chemical spraying device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0632209Y2 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6327801Y2 (en) * | 1980-11-13 | 1988-07-27 |
-
1986
- 1986-01-23 JP JP1986008293U patent/JPH0632209Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS62123264U (en) | 1987-08-05 |
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