JP2001056000A - Air jet pump and jet nozzle used therein, and jetting method for jet nozzle - Google Patents

Air jet pump and jet nozzle used therein, and jetting method for jet nozzle

Info

Publication number
JP2001056000A
JP2001056000A JP11228113A JP22811399A JP2001056000A JP 2001056000 A JP2001056000 A JP 2001056000A JP 11228113 A JP11228113 A JP 11228113A JP 22811399 A JP22811399 A JP 22811399A JP 2001056000 A JP2001056000 A JP 2001056000A
Authority
JP
Japan
Prior art keywords
nozzle
jet
pipe
tapered portion
suction pipe
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
Application number
JP11228113A
Other languages
Japanese (ja)
Inventor
Yoshihiro Kawasaki
義▲広▼ 川▲崎▼
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP11228113A priority Critical patent/JP2001056000A/en
Publication of JP2001056000A publication Critical patent/JP2001056000A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a air jet pump and jet nozzle used therein, and a jetting method for the jet nozzle, capable of easily carrying stones, sand, mud, viscous fluid and their mixture and greatly reducing labor in exchanging work for filtering materials in a sand filtering machine for a pool or the like. SOLUTION: The inner diameter of an air jet pump A to be mounted between a suction pipe 4 and a discharge pipe 5 is in alignment to be the same as the inner diameter of the suction pipe 4 for eliminating hitched portions. A jet nozzle 1 having an annular jet kept at a preset gap is used to uniformly jet compressed air from the outer periphery to the inner periphery of the discharge pipe 5. Hollow portions B are formed on the outer periphery of the jet nozzle 1 and on the side of the suction pipe 4, in which compressed air is reserved.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は吸込管側と吐出管側
の間に取付けると共にジェットノズルから圧縮空気を噴
射させると、吸込管側に低圧状態が生じ、吸込管側の搬
送物を吸引して吐出管側へ搬出できると共に空気圧縮機
以外に運動する機械部分がなく、磨耗や故障の恐れが殆
どないエアージェットポンプ及びそれに用いるジェット
ノズルとそのジェットノズルの噴射方法に関し、具体的
には、プールの砂式濾過機の砂利と砂から成る濾材など
の搬出或いは石,砂,泥水,粘性のある流動物及びそれ
らの混合物の搬出に使用し、特には水中ポンプと同様の
広い用途が可能となるものに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method in which a compressor is mounted between a suction pipe and a discharge pipe and compressed air is jetted from a jet nozzle. There is no mechanical part other than the air compressor that can be carried out to the discharge pipe side and there is no mechanical part, and there is almost no risk of wear or failure.The air jet pump and the jet nozzle used therefor and the method of jetting the jet nozzle, specifically, Used for the removal of sand, sand, muddy water, viscous fluids, and mixtures thereof, especially for the removal of sand, sand, mud, viscous fluids, and mixtures thereof. About what will be.

【0002】[0002]

【従来の技術】従来、この種のジェットポンプとしては
図11に示す噴流ポンプがあり、この構造は吸込管
(4)と吐出管(5)の間に、オリフィス(7)とその
内部にノズル(1’)を設けたものである。これは供給
口(21’)から水又は高圧蒸気がノズル(1’)に達
し、それらをノズル(1’)から一気に噴射すると、始
めにノズル(1’)周囲の空気が連れ出されて低圧状態
となり、その作用によって吸込管(4)側の流体を連れ
出すものであった。又、図12は空気揚水ポンプ(気泡
ポンプ)を示し、該空気揚水ポンプの構造は揚水管
(4’)を垂直にして自然水位よりも深く下端を配置さ
せ、その内部に空気管(21’)を入れると共に空気管
(21’)の下端部に多数の空気吹出口(1’)を穿設し
ておき、揚水管(4’)の上部には揚水を吐出させるた
めの吐出管(5)が水平に配置されている。この空気揚
水ポンプは、揚水管(4’)の一部を水中に入れ、下端
から圧縮空気を吹き込むことによって水よりも軽い混合
物を作り、管外の水との比重差を利用して揚水する装置
であった。
2. Description of the Related Art Conventionally, as this type of jet pump, there is a jet pump shown in FIG. 11, which has an orifice (7) between a suction pipe (4) and a discharge pipe (5) and a nozzle therein. (1 ') is provided. This is because when water or high-pressure steam reaches the nozzle (1 ') from the supply port (21') and injects it at once from the nozzle (1 '), the air around the nozzle (1') is initially taken out and the low pressure Then, the fluid was taken out by the action of the suction pipe (4). FIG. 12 shows an air pump (bubble pump). The structure of the air pump is vertical with the pumping pipe (4 '), the lower end of which is deeper than the natural water level, and the air pipe (21') inside. ) And a number of air outlets (1 ') are drilled at the lower end of the air pipe (21'), and a discharge pipe (5) for discharging pumped water is provided above the pumping pipe (4 '). ) Are arranged horizontally. In this air pump, a part of the pumping pipe (4 ') is put into water, compressed air is blown from the lower end to make a mixture lighter than water, and water is pumped using the specific gravity difference with water outside the pipe. It was a device.

【0003】[0003]

【発明が解決しようとする課題】しかしながら前記噴流
ポンプは、石や塊を含む搬送物や粘性のある流動物が通
過する際に、ノズル(1’)が障害になってオリフィス
(7)の入口側に搬送物が引掛かったり、抵抗が大きく
なって流れが極めて悪くなり、遂には管詰りの発生を起
す恐れがあった。一方、前記空気揚水ポンプは、圧縮空
気が揚水管(4’)の内部に配置した空気管(21’)の
下端部の空気吹出口(1’)から吹き込まれることによ
って、水よりも軽い混合物を作り、管外の水との比重差
を利用して揚水する装置であるが、効率が低く、井戸を
深く掘る必要があり、且つ水脈の影響を受け易いもので
あった。しかも前記空気揚水ポンプの揚水管(4’)を
利用して、石,砂,泥水,粘性のある流動物等それらの
混合物を水平状態で搬出することは困難であった。
However, in the above-mentioned jet pump, when a conveyed material including a stone or a lump or a viscous fluid passes therethrough, the nozzle (1 ') obstructs the entrance of the orifice (7). There was a risk that the conveyed material would be caught on the side or the resistance would increase, and the flow would become extremely poor, eventually causing tube clogging. On the other hand, the air pump has a lighter mixture than water when compressed air is blown from an air outlet (1 ') at the lower end of an air pipe (21') disposed inside the water pump (4 '). Is a device for pumping water by utilizing the difference in specific gravity with water outside the pipe. However, the efficiency was low, the well had to be dug deep, and the device was easily affected by water veins. Moreover, it has been difficult to carry out a mixture of stones, sand, muddy water, viscous fluids, and the like in a horizontal state by using the pumping pipe (4 ') of the air pump.

【0004】このため、石,砂,泥水,粘性のある流動
物及びそれらの混合物を搬出する場合、例えば、プール
の砂式濾過機に於ける濾材の交換作業などは、濾過機本
体のマンホールから人力作業により取り出し、外部へ濾
材を搬出させていた。この時、濾過機は建物機械室など
の狭い空間に設置されている場合が多く、そこでの作業
は非常に行いにくいため、手間と時間が多く掛ると共に
作業コストが多く掛っていた。又、下水道工事などで、
地下水の湧く掘削作業では、一般にその地下水を水中ポ
ンプで吸い上げながら作業を行うが、水中ポンプの吸込
口で吸い上げられない軽い石,泥などがその吸込口に付
着するため、水中ポンプの効率が著しく低下してしま
う。従って、常に吸込口の付着物を取除きながら地下水
を汲み上げているのが現状である。
For this reason, when carrying out stones, sand, muddy water, viscous fluids, and mixtures thereof, for example, when replacing a filter medium in a sand filter of a pool, the work is performed through a manhole of the filter body. It was taken out by manual work and the filter medium was carried out to the outside. At this time, the filter is often installed in a narrow space such as a machine room of a building, and the work there is very difficult. Therefore, it takes much time and effort and a lot of work cost. In addition, in sewer construction,
In the excavation work where the groundwater springs, the work is generally performed while pumping the groundwater with a submersible pump. However, the efficiency of the submersible pump is remarkable because light stones, mud, etc. that cannot be pumped at the suction port of the submersible pump adhere to the suction port. Will drop. Therefore, the current situation is that groundwater is always pumped up while removing deposits from the suction port.

【0005】本発明は石,砂,泥水,粘性のある流動物
及びそれらの混合物の搬出と搬送が容易に行えると共に
従来の人力作業でしか行えなかったプールの砂式濾過機
の砂利と砂から成る濾材の交換作業などに応用して労力
の大幅な削減が可能となるエアージェットポンプ及びそ
れに用いるジェットノズルとそのジェットノズルの噴射
方法を提供することを目的とする。
SUMMARY OF THE INVENTION The present invention makes it possible to easily carry out and transport stones, sand, muddy water, viscous fluids and mixtures thereof, and to remove the gravel and sand from a sand filter of a pool, which could only be done by conventional manual work. It is an object of the present invention to provide an air jet pump capable of greatly reducing labor by applying the method to replacement of a filter medium and the like, a jet nozzle used therefor, and a jetting method of the jet nozzle.

【0006】[0006]

【課題を解決するための手段】本発明は上記現状に鑑み
て成されたものであり、つまり、搬送物の通過経路に於
いて、石や砂等の固形物の詰まりを生じさせないため
に、吸込管側と該吸込管の内径より若干大きな吐出管側
の間に取付けるエアージェットポンプの搬送物通路に当
る内径を、吸込管の内径と若干大きめ或いは略同一にさ
せて引掛り箇所をなくした構造と成し、且つ圧縮空気の
噴射量を増やして搬送物を吸引する力が増強されるため
に、円環状の所定隙間が確保される噴射口を有するジェ
ットノズルを用いて、圧縮空気を吐出管側の外周から内
周へ均等に噴射させ、尚且つその噴射量が安定して確保
出来るよう、圧縮空気が溜められる中空部をジェットノ
ズルの外周及び後方に形成させた構造とする。又、圧縮
空気の流量を制御することで、搬送物を吸引する力が調
整出来るように、圧縮空気用供給口に流量調整弁を設け
るものとしても良い。
DISCLOSURE OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, that is, in order to prevent clogging of solids such as stones and sands in a passage of a conveyed object, The inside diameter of the air jet pump attached between the suction pipe side and the discharge pipe side slightly larger than the inside diameter of the suction pipe is slightly larger or almost the same as the inside diameter of the suction pipe, so that the hooking point is eliminated. In order to increase the amount of compressed air injected and increase the suction force of the conveyed material, the compressed air is ejected using a jet nozzle having an injection port with a predetermined annular gap. The jet nozzle has a structure in which a hollow portion for storing compressed air is formed on the outer and rear sides of the jet nozzle so that the jet is uniformly jetted from the outer circumference to the inner circumference on the tube side and the injection amount can be stably secured. Further, a flow regulating valve may be provided at the compressed air supply port so that the suction force of the conveyed object can be adjusted by controlling the flow rate of the compressed air.

【0007】[0007]

【発明の実施の形態】図1〜図3は本発明のエアージェ
ットポンプの実施形態を示す図であり、これに基づいて
説明する。(A)は吸込管(4)側と該吸込管(4)の
内径より若干大きな吐出管(5)側の間に取付けたエア
ージェットポンプである。(1)は内径が吸込管(4)
及び吐出管(5)とそれぞれ略同一なノズル本体(11)と
ノズル受(12)とから成るジェットノズルであり、前記
ノズル本体(11)は略パイプ状でその一端には後述する吸
込側接続管(31)と連結し、他端外周にはテーパー部(1
11)を設けている。また前記ノズル受(12)はリング状
でその一端には前記テーパー部(111)が内部に入れられ
て配置されると共にそれよりも若干大きな径で且つ前記
テーパー部(111)よりも隙間角θ大きな角度のテーパー
部(121)を設け、他端には後述する金属製の吐出側接続
管(51)が連結されている。尚、隙間角θが10度〜2
0度の範囲が良好であるが、テーパー部(111),(121)が
同一角度になると乱流を起こして吸引力が低下する。
(2)はジェットノズル(1)の外周及び吸込管(4)
側に、圧縮空気を溜める中空部(B)が形成されるため
に配置した金属製で円筒状の外筒であり、該外筒(2)
には圧縮空気を供給するための圧縮空気用供給口(21)
を設けている。又、前記外筒(2)の吐出側端部に於い
て、ノズル受(12)が取付けられている。(3)は外筒
(2)の吸込側端部に取付けて密閉するための円板状で
金属製の仕切板あり、該仕切板(3)には、吸込側接続
管(31)が内部を貫通すると共にノズル本体(11)の端部
に挿入した状態で固着されている。尚、前記ジェットノ
ズル(1),外筒(2),仕切板(3)は耐磨耗性の材
料であれば金属以外のものでも良い。(4)は吸込管で
あり、この吸込管(4)としては、折曲自在で管内の圧
力変化による円筒形の変形が起こらないビニール製のサ
クションホースを使用し、搬送物を吸引する。又、その
長さは3メートルを限度とするが、搬送物が水の場合、
エアージェットポンプ(A)と吸込管(4)の差込み端
部との高低差は2メートル以下とすると良い。(5)は
吸込管(4)よりも1/2インチ大きなサイズの吐出管で
あり、これも前記吸込管(4)と同様にビニール製のサ
クションホースを使用すると良いが、前記吐出管(5)
の内径は吸込管(4)と略同一としても良い。尚、前記
吸込側接続管(31)と吐出側接続管(51)を用いずに、
吸込管(4)と吐出管(5)を、ノズル本体(11)とノズ
ル受(12)の挿入穴(112),(122)に差込んで連結し
ても良い(図6参照)。(6)は圧縮空気用供給口(2
1)と接続する流量調整弁であり、圧縮空気の流量を調
整して、吸引力を制御する役目を果たす。
1 to 3 show an embodiment of an air jet pump according to the present invention, and a description will be given based on this. (A) is an air jet pump mounted between the suction pipe (4) side and the discharge pipe (5) side slightly larger than the inner diameter of the suction pipe (4). (1) Inner diameter is suction pipe (4)
And a jet nozzle comprising a nozzle body (11) and a nozzle receiver (12) which are substantially identical to the discharge pipe (5), respectively. The nozzle body (11) is substantially pipe-shaped and has one end connected to a suction side described later. It is connected to the pipe (31), and the other end is tapered (1
11) is provided. The nozzle receiver (12) is ring-shaped, and has a taper portion (111) disposed at one end thereof, and has a slightly larger diameter than the taper portion (111) and a clearance angle θ larger than that of the taper portion (111). A large-angle taper portion (121) is provided, and the other end is connected to a metal discharge-side connection pipe (51) described later. Note that the gap angle θ is 10 degrees to 2 degrees.
The range of 0 degrees is good, but when the tapered portions (111) and (121) have the same angle, turbulence occurs and the suction force is reduced.
(2) is the outer periphery of the jet nozzle (1) and the suction pipe (4)
A metal-made cylindrical outer cylinder arranged to form a hollow portion (B) for storing compressed air on the side thereof;
Supply port for compressed air to supply compressed air to the (21)
Is provided. In addition, a nozzle receiver (12) is attached at the discharge side end of the outer cylinder (2). (3) is a disk-shaped metal partition plate attached to the suction side end of the outer cylinder (2) for sealing, and the partition plate (3) has a suction side connection pipe (31) inside. And is fixed in a state of being inserted into the end of the nozzle body (11). The jet nozzle (1), the outer cylinder (2), and the partition plate (3) may be made of a material other than metal as long as it is a wear-resistant material. Reference numeral (4) denotes a suction pipe. As the suction pipe (4), a suction hose made of vinyl, which is bendable and does not deform cylindrically due to a pressure change in the pipe, is used to suck the conveyed material. The length is limited to 3 meters.
The height difference between the air jet pump (A) and the insertion end of the suction pipe (4) is preferably 2 meters or less. (5) is a discharge pipe having a size that is 1/2 inch larger than the suction pipe (4), and it is also preferable to use a vinyl suction hose like the suction pipe (4). )
May have substantially the same inner diameter as the suction pipe (4). In addition, without using the suction side connection pipe (31) and the discharge side connection pipe (51),
The suction pipe (4) and the discharge pipe (5) may be inserted and connected to the insertion holes (112) and (122) of the nozzle body (11) and the nozzle receiver (12) (see FIG. 6). (6) is the compressed air supply port (2
This is a flow control valve connected to 1), and serves to control the suction force by adjusting the flow rate of the compressed air.

【0008】図4は本発明のエアージェットポンプの別
実施形態を示す図である。これは前記実施形態と比べる
と、ジェットノズル(1)の吐出管(5)側へ直ぐオリ
フィス(7)を設け、且つ吐出管(5)の内径は吸込管
(4)よりも大きなものを使用している。これはジェッ
トノズル(1)の噴射口に圧縮空気を噴射させた際、そ
の背圧でより吸引出来るための役目を果たすと共にオリ
フィス(7)を用いて吸引力を一層向上させるためのも
のである。他の部品は前記実施形態と同一なものを用い
れば良い。
FIG. 4 is a view showing another embodiment of the air jet pump of the present invention. This is different from the above embodiment in that an orifice (7) is provided immediately on the discharge pipe (5) side of the jet nozzle (1), and the inner diameter of the discharge pipe (5) is larger than that of the suction pipe (4). are doing. This is because when the compressed air is injected into the injection port of the jet nozzle (1), the compressed air is sucked by the back pressure, and the suction force is further improved by using the orifice (7). . Other components may be the same as those in the above embodiment.

【0009】図5は本実施形態のエアージェットポンプ
をプールの砂式濾過機の濾材などを搬出する状況の使用
状態を示す図であり、これについて説明する。先ず図中
に示すようにエアージェットポンプ(A)の吸込側接続
管(31)に、3メートル以内のビニール製のサクション
ホースを吸込管(4)として連結し、且つ吐出側接続管
(51)に、40メートル前後のビニール製のサクション
ホースを吐出管(5)として連結させる。尚、この時、
50メートル前後まで使用出来るが、長くなると吸引能
力が落ちるので、なるべく短い状態で使用すると良い。
更にコンプレッサー(8)と圧縮空気用供給口(21)間
をエアーホースで連結しておく。また搬送物を回収する
ための搬出車両を砂式濾過機(9)の近くに止めて用意
しておく。次に砂式濾過機(9)本体のマンホール内に
収納されて汚れた濾材に吸込管(4)の一端が届くよう
に差し込む。そして吐出管(5)の他端を搬出車両の荷
台に入れておく。この時、エアージェットポンプ(A)
と搬出車両の荷台までの高低差が10メートル前後あっ
ても搬出は可能である。尚、エアーコンプレッサー
(8)とエアーホースは、市場のリース業者機器を使用
すれば良い。
FIG. 5 is a view showing a use state of the air jet pump of the present embodiment in a state of carrying out a filter medium or the like of a sand filter of a pool, and this will be described. First, as shown in the figure, a suction hose made of vinyl within 3 meters is connected as a suction pipe (4) to a suction side connection pipe (31) of an air jet pump (A), and a discharge side connection pipe (51). Then, a suction hose made of vinyl of about 40 meters is connected as a discharge pipe (5). At this time,
It can be used up to around 50 meters, but if it gets longer, the suction capacity drops, so it is better to use it in the shortest possible state.
Further, an air hose connects the compressor (8) and the supply port (21) for compressed air. In addition, a carry-out vehicle for collecting the conveyed goods is prepared to be stopped near the sand filter (9). Next, the sand filter (9) is inserted into the manhole of the main body of the sand filter (9) so that one end of the suction pipe (4) reaches the soiled filter medium. Then, the other end of the discharge pipe (5) is placed in the carrier of the unloading vehicle. At this time, air jet pump (A)
Even if there is a height difference of about 10 meters between the vehicle and the loading platform of the unloading vehicle, unloading is possible. In addition, the air compressor (8) and the air hose may use equipment from a market leasing company.

【0010】次にコンプレッサー(8)を作動させる
と、圧縮空気は圧縮空気用供給口(21)から中空部
(B)に溜まると共にジェットノズル(1)から圧縮空
気が徐々に圧力を上げ、所定圧力になると、圧縮空気が
中空部(B)に溜まる量と噴射される量のバランスがと
れて安定した圧力と噴射量が得られる。この時の圧縮空
気の噴射は、図1に示すように吐出管(5)側の外周か
ら内周へ均等に噴射される。すると、砂利と砂から成る
濾材が吸込管(4)の一端からエアージェットポンプ
(A)で吸引されて吐出管(5)内へ送られ、更に搬出
車両まで濾材が搬送されるのである。この場合、吸込管
(4)の内径全体で砂式濾過機(9)から濾材である搬
送物が搬送されて来ると、従来のポンプと異なり、ジェ
ットノズル(1)の内径と吸込管(4)の内径が略同一
であるため、引掛かる箇所がなくなり、途中で引掛かっ
て詰る心配が殆どなくなる。また吐出管(5)が吸込管
(4)よりも若干大きな内径とすることで、引掛りもな
く搬送されて搬出車両の荷台まで達し、その荷台に濾材
は吐出されて積み込まれるのである。尚、前記濾材とし
ては、砂利が40〜30mm, 25〜20mm, 15〜10
mmのもの、そして砂などが用いられ、それぞれ所定割合
で各層を形成して収納されている。
Next, when the compressor (8) is operated, the compressed air accumulates in the hollow portion (B) from the compressed air supply port (21), and the compressed air gradually increases the pressure from the jet nozzle (1). When the pressure is reached, the amount of compressed air that accumulates in the hollow part (B) and the amount that is injected are balanced, and a stable pressure and injection amount can be obtained. At this time, the compressed air is injected evenly from the outer circumference to the inner circumference on the discharge pipe (5) side as shown in FIG. Then, the filter medium made of gravel and sand is sucked from one end of the suction pipe (4) by the air jet pump (A), sent to the discharge pipe (5), and further conveyed to the discharge vehicle. In this case, when a conveyed material as a filter medium is conveyed from the sand filter (9) over the entire inner diameter of the suction pipe (4), unlike the conventional pump, the inner diameter of the jet nozzle (1) and the suction pipe (4) are different from the conventional pump. Since the inner diameters of (1) and (2) are substantially the same, there is no place to be caught, and there is almost no fear of clogging due to being caught on the way. When the discharge pipe (5) has a slightly larger inner diameter than the suction pipe (4), it is conveyed without being caught and reaches the loading platform of the unloading vehicle, where the filter medium is discharged and loaded. In addition, as the filter medium, gravel is 40 to 30 mm, 25 to 20 mm, 15 to 10 mm.
mm, sand and the like are used, and each layer is formed and stored at a predetermined ratio.

【0011】前記砂式濾過機(9)の濾材を回収し終え
た後は、新たな濾材を砂式濾過機(9)本体のマンホー
ル内部にスコップ等を用いて順次砂と砂利などを人力で
放り込めば良いので、砂式濾過機(9)の濾材を収納す
る作業は、汚れた濾材を回収する作業に比べて極めて簡
単である。従って、プールの砂式濾過機(9)の濾材交
換作業は極めて短時間で且つ簡単に出来るものとなるの
である。尚、前記砂式濾過機(9)のマンホールに収納
した濾材の容量が4000リットルのものを交換する
際、ジェットノズル(1)の噴射圧7Kg/cm2 、噴出量
毎分5mで、吸込管(4)と吐出管(5)の内径50
mmのものを使用して汚れた濾材の回収を行ったところ
と、作業者が2人で約4時間掛った。同様の作業を、従
来方法で行うと、作業者が4人で約2日掛り、本実施形
態のエアージェットポンプ(A)を用いれば、従来方法
と比べて、時間の著しい短縮及びその作業が簡単である
ことが確認できた。又、この時、マンホールには水を入
れなくても、砂利や砂をそのまま搬送出来るが、吸込み
具合が悪くなった際は、水を少し入れてその水と一緒に
濾材を吸込み、搬送管内を洗浄することにより、効率が
良くなることも確認できた。
After the collection of the filter medium of the sand filter (9) is completed, a new filter medium is manually put into the manhole of the sand filter (9) using a scoop or the like to sequentially remove sand and gravel by hand. The operation of storing the filter medium of the sand filter (9) is extremely simple compared to the operation of collecting the dirty filter medium, since it is sufficient to throw the filter medium. Therefore, the replacement of the filter medium of the sand filter (9) of the pool can be performed in a very short time and easily. In addition, when replacing the filter medium having a capacity of 4000 liters stored in the manhole of the sand type filter (9), the suction pressure of the jet nozzle (1) is 7 kg / cm 2 , and the ejection amount is 5 m 3 per minute. Inner diameter 50 of pipe (4) and discharge pipe (5)
It took about 4 hours for two people to collect the soiled filter media using a filter with a diameter of 2 mm. When the same operation is performed by the conventional method, it takes about two days for four workers, and by using the air jet pump (A) of the present embodiment, the time can be significantly reduced and the operation can be significantly reduced as compared with the conventional method. It was confirmed that it was easy. Also, at this time, gravel and sand can be transported without water into the manhole, but if the suction becomes poor, add a little water and suck the filter media together with the water, and clean the inside of the transport pipe. It was also confirmed that the efficiency was improved by washing.

【0012】このように吸込管(4)の内径と同一寸法
又は若干大きな内径が確保された状態で搬送物を搬送出
来るため、砂利や塊があっても確実に吸込まれて搬送さ
れるのである。又、この時、一人の作業者は、吸込管
(4)の端部を砂式濾過機(9)の内部に押込んで、濾
材が完全に吸込まれるように作業し、他の作業者は、吐
出管(5)の端部を搬出車両の荷台の中に入れ、濾材が
荷台に積込めるように作業をすれば良く、殆ど労力を使
うことなく、プールの砂式濾過機(9)の濾材を回収さ
せることが出来るものとなるのである。尚、図4に示す
別実施形態のエアージェットポンプ(A)はプールの砂
式濾過機(9)の濾材を搬出することは出来ないが、強
力な吸引力を得ることが出来るため、他の用途、例え
ば、建設機械での掘削作業が困難な液状土或いは泥水が
発生した時であっても、従来の水中ポンプよりも遥かに
効率良く且つ土砂も一緒に搬出可能なものとなる。この
時には吸込管(4)の端部に、オリフィス(7)の絞り
部の内径よりも大きな石や塊などが入らないように穴や
防止部材を取付けておくと良い。特に、本実施形態のエ
アージェットポンプ(A)は、吸込管(4)内径以下の
大きさの石や塊などでも搬送が可能であるため、豪雨に
よる土砂災害時に於ける行方不明者の捜索活動などに使
用すれば効力が発揮出来るものとなる。
As described above, since the conveyed object can be conveyed in a state where the same size as the inner diameter of the suction pipe (4) or a slightly larger inner diameter is secured, even if there is gravel or lumps, it is surely sucked and conveyed. . At this time, one worker pushes the end of the suction pipe (4) into the inside of the sand filter (9) so that the filter medium is completely sucked, and the other workers work. Then, the end of the discharge pipe (5) should be put into the loading platform of the unloading vehicle, and work should be performed so that the filter medium can be loaded on the loading platform. The filter media can be recovered. Although the air jet pump (A) of another embodiment shown in FIG. 4 cannot carry out the filter medium of the sand type filter (9) of the pool, it can obtain a strong suction force. Even when liquid soil or muddy water is generated, which is difficult to excavate with a construction machine, it becomes much more efficient than conventional submersible pumps, and soil and sand can be carried out together. At this time, a hole or a prevention member may be attached to the end of the suction pipe (4) so that a stone or a lump larger than the inner diameter of the throttle portion of the orifice (7) does not enter. In particular, since the air jet pump (A) of the present embodiment can transport even stones or lumps having a size equal to or less than the inner diameter of the suction pipe (4), a search operation for a missing person during a landslide caused by heavy rain. If it is used, it will be effective.

【0013】図6は本発明のジェットノズルの実施形態
を示す図であり、これに基づいて説明する。(1)は内
径が吸込管(4)及び吐出管(5)とそれぞれ略同一な
ノズル本体(11)とノズル受(12)とから成るジェットノ
ズルであり、前記ノズル本体(11)は略パイプ状でその一
端には吸込管(4)或いは吸込側接続管(31)を挿入さ
せて連結するための挿入穴(112)を穿設し、他端外周
にはテーパー部(111)を設けている。また前記ノズル受
(12)はリング状でその一端には前記テーパー部(111)
が内部に入れられて円環状の所定隙間が確保されるテー
パー部(121)を穿設し、他端に吐出管(5)或いは吐出
側接続管(51)を挿入させて連結するための挿入穴(12
2)を穿設している。また前記ノズル本体(11)のテーパ
ー部(111)外周に、円環状の所定隙間が確保されるよう
に案内板(113)を複数突設させても良い(図3、図
6、図7参照)。この時、図9に示す各角度として、テ
ーパー部(111)の角度θ1は5度〜15度の範囲が良い
が、特に7.5度が好ましい。次にテーパー部(121)の角
度は角度θ1+隙間角θであり、20度〜25度が好ま
しい。またテーパー部(121)とテーパー部(111)の隙間角
θとして10度〜20度の範囲で、特に13度〜15度
が好ましい。更に噴射角θ0は12度〜15度の範囲が
良く、吸引力が最大になる。尚、前記噴射角θ0はエアー
圧が高い程小さくした方が良い。
FIG. 6 is a view showing an embodiment of the jet nozzle of the present invention, and the description will be made based on this. (1) is a jet nozzle composed of a nozzle body (11) and a nozzle receiver (12) whose inner diameters are substantially the same as the suction pipe (4) and the discharge pipe (5), respectively. An insertion hole (112) for inserting and connecting the suction pipe (4) or the suction-side connection pipe (31) is formed at one end, and a tapered portion (111) is provided at the outer periphery of the other end. I have. The nozzle receiver (12) has a ring shape and has one end formed with the tapered portion (111).
Is inserted into the inside to form a tapered portion (121) in which a predetermined annular gap is ensured, and the other end is inserted with a discharge pipe (5) or a discharge side connection pipe (51) for connection. Hole (12
2) is drilled. Further, a plurality of guide plates (113) may be protruded from the outer periphery of the tapered portion (111) of the nozzle body (11) so as to secure a predetermined annular gap (see FIGS. 3, 6, and 7). ). At this time, as the angle shown in FIG. 9, the angle theta 1 of the tapered portion (111) is good in the range of 5 to 15 degrees, in particular 7.5 ° is preferred. Next, the angle of the tapered portion (121) is the angle θ 1 + the clearance angle θ, and is preferably 20 degrees to 25 degrees. The gap angle θ between the tapered portion (121) and the tapered portion (111) is in the range of 10 to 20 degrees, and particularly preferably 13 to 15 degrees. Further, the injection angle θ 0 is preferably in the range of 12 to 15 degrees, and the suction force is maximized. It is preferable that the injection angle θ 0 be reduced as the air pressure increases.

【0014】図8は本発明のジェットノズルと従来のノ
ズルを比較した図であり、これに基づいて本発明のジェ
ットノズルの作用について説明する。先ず吸込管(4)
から搬送物が搬送されてノズルの噴射口まで来ると、従
来品である(b)図に於いては、吸込管(4)内径の中
心部に配置されたノズル(1’)本体の外形と吸込管
(4)内壁の隙間よりも大きな石や塊などが混じると、
穴詰りが発生していたが、本発明品である(a)図に於い
ては、吸込管(4)内径と同一のものまで搬送でき、且
つ途中で引掛かって詰る心配が殆どないものとなった。
更に、従来品のノズル(1’)は噴射口の穴径を大きく
させて吸引力が高まるようにすると、ノズル本体の外形
が大きくなるため、吸込管(4)内壁との隙間が狭くな
り、搬送物が一層引掛かり易くなる(図11参照)。従
って、噴射口の面積が限られてしまい、圧縮空気の噴射
量を余り多く出来ないのが現状である。一方、噴射口の
隙間は小さいが穴径が大きいので、少し大きくするだけ
で、従来の噴射口面積の増加に比べ、本発明品の噴射口
面積を容易に増加させることが可能となり、圧縮空気の
噴射量も容易に多くでき、吸引力が大きなものとなるの
で、吸込管(4)の内径に入る大きさの石や塊が引掛か
りにくくなるだけでなく、それらを容易に搬送できる搬
送能力も備えることが可能なものとなるのである。
FIG. 8 is a diagram comparing a jet nozzle of the present invention with a conventional nozzle, and the operation of the jet nozzle of the present invention will be described based on the comparison. First, suction pipe (4)
When the conveyed product is conveyed from the nozzle and reaches the nozzle orifice, in the conventional product (b), the external shape of the nozzle (1 ') main body disposed at the center of the inner diameter of the suction pipe (4) is shown in FIG. When stones or lumps larger than the gap of the suction pipe (4) inner wall are mixed,
Although the clogging occurred, the product of the present invention can be transported to the same one as the inner diameter of the suction pipe (4) in FIG. Was.
Furthermore, in the conventional nozzle (1 '), when the suction force is increased by increasing the hole diameter of the injection port, the outer shape of the nozzle body becomes large, so that the gap with the inner wall of the suction pipe (4) becomes narrow, The transported object is more easily caught (see FIG. 11). Therefore, the area of the injection port is limited, and the injection amount of the compressed air cannot be increased much at present. On the other hand, since the gap between the injection ports is small but the hole diameter is large, it is possible to easily increase the injection port area of the product of the present invention compared to the conventional increase in the injection port area by only slightly increasing the diameter. Can easily increase the amount of injection, and the suction force becomes large, so that not only is it difficult for stones and lumps of a size that can fit into the inner diameter of the suction pipe (4) to be caught, but also the transport capacity that can easily transport them. Can also be provided.

【0015】図10は本発明のジェットノズルの噴射方
法を示す図であり、これに基づいて説明する。予め吸込
管(4)側と吐出管(5)側の間に、それぞれの内径と
同一内径を有するノズル本体(11)とノズル受(12)と
から成るジェットノズル(1)を取付けておく。この
時、吐出管(5)は吸込管(4)の内径より若干大きな
ものを使用すると良い。先ず圧縮空気は図中の点線矢印
のように中空部(B)からノズル本体(11)とノズル受
(12)のテーパー部(111), (121)の隙間から吐出側接続
管(51)の内周に向かって噴射される。この時、ジェッ
トノズル(1)の外周から吐出側接続管(51)の内周に
向かって圧縮空気が噴出されることにより、搬送物が図
中の矢印のように吸込側接続管(31)からジェットノズ
ル(1)を通過する。この時、従来方法では噴射部付近
でノズル(1’)が通過経路に突起物として邪魔ものにな
っていたので(図11参照)、吸込管(4)或いはオリ
フィス(7)などで詰りを生じ易かったが、本発明の噴射
方法にすることにより、目的物の石や砂等の固形物がス
ムーズに搬送されて詰まりは殆どなくなり、しかも、噴
射量を増加させることが容易に行えるものとなった。こ
の時、噴射角θ0を12度〜15度にすると最も吸引力が
強まり、且つ噴射量は流量調整弁(6)を設けて調整す
ることにより、搬送能力も調整可能なものとなるのであ
る。尚、搬送能力としては、吸込管(4)の内径が50m
mで、コンプレッサー(8)の能力が最大使用圧力7Kg/
cm2で、噴出容量毎分7mのものを使用した場合に
は、泥水であれば、毎分50リットルを高さ3mまで揚
水することが可能であり、40〜30mmの石を搬送する
際、吐出管(5)の長さ20m,高さ3mでの最大能力は
毎分40リットル、砂を搬送すると毎分35リットルま
で運搬可能であった。前記搬送能力は搬送するための吐
出管(5)の長さや高さ等によって変化するものである。
FIG. 10 is a view showing a jetting method of a jet nozzle according to the present invention. A jet nozzle (1) composed of a nozzle body (11) and a nozzle receiver (12) having the same inner diameter as the respective inner diameters is previously mounted between the suction pipe (4) side and the discharge pipe (5) side. At this time, it is preferable to use a discharge pipe (5) slightly larger than the inner diameter of the suction pipe (4). First, the compressed air flows from the hollow portion (B) through the gap between the tapered portions (111) and (121) of the nozzle body (11) and the nozzle receiver (12) from the hollow portion (B) to the discharge side connection pipe (51) as indicated by the dotted arrow in the drawing. It is injected toward the inner circumference. At this time, the compressed air is ejected from the outer periphery of the jet nozzle (1) toward the inner periphery of the discharge-side connection pipe (51), so that the conveyed material is drawn as indicated by an arrow in the drawing. Through the jet nozzle (1). At this time, in the conventional method, since the nozzle (1 ') in the vicinity of the injection section was obstructed as a protrusion in the passage path (see FIG. 11), the suction pipe (4) or the orifice (7) clogged. Although it was easy, the use of the injection method of the present invention makes it possible to easily transport solids such as stones and sand as the target object and to eliminate almost any clogging, and to easily increase the injection amount. Was. At this time, when the injection angle θ 0 is set to 12 degrees to 15 degrees, the suction force becomes the strongest, and by adjusting the injection amount by providing the flow rate adjusting valve (6), the transfer capacity can be adjusted. . In addition, as for the transfer capacity, the inner diameter of the suction pipe (4) is 50 m.
m, the capacity of the compressor (8) is the maximum working pressure 7Kg /
In cm 2, when using the one of the ejection volume per minute 7m 3, if muddy water, it is possible to pumping per minute 50 l to the height 3m, in transporting the stone 40~30mm When the length of the discharge pipe (5) was 20 m and the height was 3 m, the maximum capacity was 40 liters per minute, and the sand could be conveyed up to 35 liters per minute. The transfer capacity varies depending on the length and height of the discharge pipe (5) for transfer.

【0016】[0016]

【発明の効果】本発明はこのように構成させたことによ
り、下記に記載する効果を有する。
The present invention having the above-described structure has the following effects.

【0017】請求項1のように吸込管(4)側と、該吸
込管(4)の内径より若干大きな吐出管(5)側の間に
取付けるエアージェットポンプ(A)の搬送物通路に当
る内径を、吸込管(4)の内径と同一に揃えて引掛り箇
所をなくした構造とすることにより、搬送物の通過経路
に於いて、石や砂等の固形物の詰まりが発生しなくな
り、且つ円環状の所定隙間が確保される噴射口を有する
ジェットノズル(1)を用いて、圧縮空気を吐出管
(5)側の外周から内周へ均等に噴射させることによ
り、圧縮空気の噴射量を増やして搬送物が吸引される力
を増強でき、又、圧縮空気が溜められる中空部(B)を
ジェットノズル(1)の外周及び吸込管(4)側に形成
すると共にテーパー部(111)とテーパー部(121)の間に隙
間角θを付けたことにより、噴射量が安定して確保出来
ると共に乱流を生じることなくスムーズに吐出されるも
のとなる。従って、予め搬出場所まで吐出管(5)を配
管しておけば、吸込管(4)内径よりも小さな石や砂等
の固形物が吸込まれても詰まりを生じることなく所定の
搬出場所まで搬送出来るものとなるのである。また本発
明品は空気圧縮機以外には運動する機械部分がないの
で、磨耗や故障の恐れがなく、且つ軽量小型化が可能で
あり、空気圧縮機を地上の適宜な所に置くことができ、
使用場所を殆ど選ばずに使用出来ると共に泥水や汚水に
用いても支障を生じることがなくなる。しかも従来の水
中ポンプでは搬送が困難であったクリンカを、本発明の
エア−ジェトポンプ(A)を用いれば、水力輸送するポン
プとして利用でき、且つ、土砂を掘削したり撹拌したり
するために、高圧水を供給するポンプとしても利用出来
るものとなる。更に従来困難であったプールの砂式濾過
機(9)などの濾材の交換作業が短時間で且つ簡単な作
業で行えるものとなった。
According to the present invention, the air jet pump (A) is mounted between the suction pipe (4) and the discharge pipe (5) which is slightly larger than the inner diameter of the suction pipe (4). By making the inside diameter the same as the inside diameter of the suction pipe (4) and eliminating the hooking point, clogging of solids such as stones and sand does not occur in the passage of the conveyed goods, In addition, by using a jet nozzle (1) having an injection port in which a predetermined annular gap is secured, the compressed air is uniformly injected from the outer circumference toward the inner circumference on the discharge pipe (5) side, so that the amount of compressed air injected And a hollow portion (B) for storing compressed air is formed on the outer periphery of the jet nozzle (1) and on the suction pipe (4) side, and a taper portion (111) is formed. Angle between the taper and the taper (121) The amount is intended to be discharged smoothly without causing turbulence with stably be secured. Accordingly, if the discharge pipe (5) is previously piped to the carry-out place, even if a solid such as stone or sand smaller than the inner diameter of the suction pipe (4) is sucked, the solid matter is conveyed to a predetermined carry-out place without clogging. You can do it. Also, since the present invention has no moving mechanical parts other than the air compressor, there is no risk of wear or failure, and it is possible to reduce the weight and size, and the air compressor can be placed at an appropriate place on the ground. ,
It can be used almost anywhere and can be used for muddy water or sewage. Moreover, the clinker, which was difficult to transport with a conventional submersible pump, can be used as a hydraulic transport pump by using the air-jet pump (A) of the present invention, and also for excavating and stirring earth and sand. It can also be used as a pump for supplying high-pressure water. Further, the replacement work of the filter medium such as the sand filter (9) of the pool, which was difficult in the past, can be performed in a short time and with a simple work.

【0018】請求項2のように隙間角θを10度〜20
度の範囲とすることにより、エアーが乱流を起こさず且
つ吸引力が良好で、効率良く搬送能力を高めることが可
能となる。
According to a second aspect of the present invention, the gap angle .theta.
By setting the range, the turbulence of the air does not occur, the suction force is good, and the transfer capacity can be efficiently increased.

【0019】請求項3に示すようにノズル本体(11)の端
部に挿入すると共に仕切板(3)を貫通して吸込側接続
管(31)を固着させ、ノズル受(12)の端部に吐出側接
続管(51)を挿入させ固着したものとすることにより、
エアージェットポンプ(A)だけを持ち運ぶことがで
き、且つ現場に応じた吸込管(4)や吐出管(5)を選
択して取付けることが可能となる。また取付けが簡単で
高性能なエアージェットポンプ(A)として市場へ商品
として提供出来るものとなる。
As shown in claim 3, the suction-side connecting pipe (31) is inserted into the end of the nozzle body (11) and penetrates through the partition plate (3), and is fixed to the end of the nozzle receiver (12). By inserting the discharge side connection pipe (51) into the
Only the air jet pump (A) can be carried, and the suction pipe (4) and the discharge pipe (5) according to the site can be selected and mounted. In addition, the air jet pump (A) which can be easily mounted and has a high performance can be provided as a product to the market.

【0020】請求項4に示すように吐出管(5)の内径
を吸込管(4)の内径よりも大きくすることにより、圧
縮空気の背圧でより吸引力を高めることができるものと
なる。また吐出管(5)側にオリフィス(7)を配置さ
せることにより、吸引力を一層向上させたものとなるた
め、下水道工事などで、地下水の湧く掘削作業が行われ
る際、従来の水中ポンプが使用される場合と比べて、オ
リフィス(7)の絞り部内径より小さな軽い石や泥など
も水と一緒に搬出でき、従来の水中ポンプのような効率
の低下を招くことなく、地下水の汲み上げが容易に行わ
れるものとなる。
By making the inner diameter of the discharge pipe (5) larger than the inner diameter of the suction pipe (4), the suction force can be further increased by the back pressure of the compressed air. In addition, by arranging the orifice (7) on the discharge pipe (5) side, the suction force is further improved. Therefore, when excavation work where groundwater springs up in sewerage work or the like, a conventional submersible pump is used. Compared to when used, light stones and mud smaller than the inner diameter of the orifice (7) can be carried out together with the water, and pumping of groundwater can be carried out without lowering the efficiency of a conventional submersible pump. It is easy to do.

【0021】請求項5のように圧縮空気用供給口(21)
に流量調整弁(6)を接続することにより、圧縮空気の
流量を調整して、吸引力を制御することで、吸込管
(4)側の吸引力が調整できるものとなる。この結果、
搬送物に最適の吸引力に調整すれば、搬送能力の向上が
期待できる。
According to a fifth aspect of the present invention, there is provided a supply port for compressed air (21).
By connecting the flow control valve (6) to the suction pipe, the suction force on the suction pipe (4) can be adjusted by controlling the suction force by adjusting the flow rate of the compressed air. As a result,
If the suction force is adjusted to be optimal for a conveyed object, an improvement in the conveyance capacity can be expected.

【0022】請求項6のように吸込管(4)側と連結さ
せるための挿入穴(112)を一端に穿設し且つ吸込管
(4)の内径と略同一内径を有すると共に他端外周にテ
ーパー部(111)を有したノズル本体(11)と、該ノズル本
体(11)のテーパー部(111)を内部に入れて円環状の所定
隙間が確保されるテーパー部(121)を一端に有し、且つ
他端に吐出管(5)側と連結させるための挿入穴(12
2)を穿設すると共に吐出管(5)の内径と略同一内径
を有したノズル受(12)とから構成するジェットノズル
(1)を用い、搬出装置を製作することにより、石,
砂,泥水,粘性のある流動物及びそれらの混合物の搬出
が容易に行え、且つ従来のポンプでは不可能であったプ
ールの砂式濾過機(9)などの砂利と砂から成る濾材の
交換作業に於いて、小人数で且つ短時間で作業が行える
ことが可能となる。
An insertion hole (112) for connecting to the suction pipe (4) side is formed at one end and has an inner diameter substantially the same as the inner diameter of the suction pipe (4) and is provided at the outer circumference at the other end. A nozzle body (11) having a tapered portion (111), and a tapered portion (121) having an annular predetermined gap secured therein by inserting the tapered portion (111) of the nozzle body (11) at one end. And an insertion hole (12) for connecting to the discharge pipe (5) side at the other end.
By using a jet nozzle (1) composed of a nozzle receiver (12) having an inner diameter substantially the same as the inner diameter of the discharge pipe (5), a stone,
Sand, muddy water, viscous fluids and mixtures thereof can be easily carried out, and a filter medium consisting of gravel and sand, such as a pool sand filter (9), which was impossible with a conventional pump. Therefore, the work can be performed with a small number of people and in a short time.

【0023】請求項7に示すようにテーパー部(121)を
ノズル本体(11)のテーパー部(111)よりも若干大きな径
で且つ隙間角θ大きな角度とすることにより、圧縮空気
の噴射方向が安定するので、吐出管(5)側へ圧縮空気
が安定して流れるものとなる。その結果、吸引力も安定
したものとなるのである。
According to a seventh aspect of the present invention, the diameter of the tapered portion (121) is slightly larger than that of the tapered portion (111) of the nozzle body (11) and the gap angle θ is larger, so that the injection direction of the compressed air can be changed. Since the air becomes stable, the compressed air flows stably to the discharge pipe (5) side. As a result, the suction force is also stable.

【0024】請求項8に示すようにノズル本体(11)のテ
ーパー部(111)外周に、円環状の所定隙間が確保される
ように案内板(113)を複数突設させたジェットノズル
(1)を製作することにより、圧縮空気が均等に噴射さ
れるため、安定した吸引力が得られる。
According to an eighth aspect of the present invention, there is provided a jet nozzle (1) having a plurality of guide plates (113) protruding from an outer periphery of a tapered portion (111) of a nozzle body (11) so as to secure a predetermined annular gap. ), The compressed air is evenly injected, so that a stable suction force can be obtained.

【0025】請求項9のようにノズル本体(11)とノズル
受(12)を一体に形成したジェットノズル(1)とする
ことにより、単品として製作でき、量産が可能なものと
なる。
According to the ninth aspect of the present invention, the nozzle body (11) and the nozzle receiver (12) are integrally formed as the jet nozzle (1), so that it can be manufactured as a single product and can be mass-produced.

【0026】請求項10のようにテーパー部(111)の角
度θ1を5度〜15度の範囲とし、テーパー部(121)の角
度をθ1+隙間角θとし、且つ隙間角θを10度〜20度
の範囲とすることにより、効率良く安定した吸引力が得
られるジェットノズル(1)を得ることが出来る。
The angle θ 1 of the tapered portion (111) is in the range of 5 ° to 15 °, the angle of the tapered portion (121) is θ 1 + the clearance angle θ, and the clearance angle θ is 10 degrees. By setting the range of degrees to 20 degrees, it is possible to obtain the jet nozzle (1) capable of efficiently obtaining a stable suction force.

【0027】請求項11に示すように吸込管(4)側と
吐出管(5)側の間に、それらの内径と同一内径を有す
るノズル本体(11)とノズル受(12)とから成るジェッ
トノズル(1)を取付け、該ジェットノズル(1)の外
周から吐出管(5)側の内部に向かって圧縮空気を噴射
させることにより、吸込管(4)内径の大きさの石や塊
も搬送可能となる。従って、本発明のジェットノズル噴
射方法を利用した搬送装置を製作することにより、石,
砂,泥水,粘性のある流動物及びそれらの混合物の搬出
が容易に行えると共に従来の人力作業でしか行えなかっ
たプールの砂式濾過機(9)の砂利と砂から成る濾材の
交換作業などに使用出来るものとなる。
[0027] As shown in claim 11, between the suction pipe (4) side and the discharge pipe (5) side, a jet comprising a nozzle body (11) and a nozzle receiver (12) having the same inside diameter as those inside diameter. The nozzle (1) is attached, and compressed air is jetted from the outer periphery of the jet nozzle (1) toward the inside of the discharge pipe (5), so that stones and blocks having an inner diameter of the suction pipe (4) are also conveyed. It becomes possible. Therefore, by manufacturing a transfer device using the jet nozzle injection method of the present invention, stone,
Sand, muddy water, viscous fluids, and mixtures thereof can be easily carried out, and for exchanging filter media consisting of gravel and sand in a pool sand filter (9) that could only be done by conventional manual work. It can be used.

【0028】請求項12に示すように吐出管(5)側に
噴射される噴射角θ0を12度〜15度の範囲とするこ
とにより、吸引力を最大に高めて有効に搬送できるもの
となる。
According to a twelfth aspect of the present invention, by setting the injection angle θ 0 to the side of the discharge pipe (5) in the range of 12 to 15 degrees, the suction force can be maximized and the conveyance can be performed effectively. Become.

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

【図1】本発明のエアージェットポンプの実施形態を示
す説明図である。
FIG. 1 is an explanatory diagram showing an embodiment of an air jet pump of the present invention.

【図2】本実施形態の外筒の一部を切欠いたエアージェ
ットポンプの構造を示す斜視図である。
FIG. 2 is a perspective view showing a structure of an air jet pump in which a part of an outer cylinder of the embodiment is cut away.

【図3】本発明のエアージェットポンプの分解部品を示
す斜視図である。
FIG. 3 is a perspective view showing an exploded part of the air jet pump of the present invention.

【図4】本発明のエアージェットポンプの別実施形態を
示す説明図である。
FIG. 4 is an explanatory view showing another embodiment of the air jet pump of the present invention.

【図5】本発明のエアージェットポンプの使用状態を示
す説明図である。
FIG. 5 is an explanatory diagram showing a use state of the air jet pump of the present invention.

【図6】本発明のジェットノズルの実施形態を示す断面
図である。
FIG. 6 is a sectional view showing an embodiment of the jet nozzle of the present invention.

【図7】図6のX−X断面図である。FIG. 7 is a sectional view taken along line XX of FIG. 6;

【図8】本発明のジェットノズルと従来のノズルを比較
した説明図である。
FIG. 8 is an explanatory diagram comparing a jet nozzle of the present invention with a conventional nozzle.

【図9】本発明のジェットノズルの噴射要部構造を示す
説明図である。
FIG. 9 is an explanatory view showing the main structure of the jet nozzle of the present invention.

【図10】本発明のジェットノズルの噴射方法を示す説
明図である。
FIG. 10 is an explanatory diagram showing a jet nozzle jetting method of the present invention.

【図11】従来の噴流ポンプを示す断面図である。FIG. 11 is a sectional view showing a conventional jet pump.

【図12】従来の空気揚水ポンプを示す断面図である。FIG. 12 is a sectional view showing a conventional air pump.

【符号の説明】[Explanation of symbols]

1 ジェットノズル 11 ノズル本体 12 ノズル受 111, 121 テーパー部 112, 122 挿入穴 113 案内板 2 外筒 21 圧縮空気用供給口 3 仕切板 31 吸込側接続管 4 吸込管 5 吐出管 51 吐出側接続管 6 流量調整弁 7 オリフィス A エアージェットポンプ B 中空部 θ 隙間角 θ1 ノズル本体のテーパー角度 θ0 噴射角DESCRIPTION OF SYMBOLS 1 Jet nozzle 11 Nozzle body 12 Nozzle holder 111, 121 Taper part 112, 122 Insertion hole 113 Guide plate 2 Outer cylinder 21 Supply port for compressed air 3 Partition plate 31 Suction side connection pipe 4 Suction pipe 5 Discharge pipe 51 Discharge side connection pipe 6 taper angle theta 0 injection angle of the flow control valve 7 orifice a air jet pump B hollow portion theta clearance angle theta 1 nozzle body

Claims (12)

【特許請求の範囲】[Claims] 【請求項1】 吸込管(4)側と、該吸込管(4)の内
径より若干大きな吐出管(5)側の間に取付けるもので
あり、少なくとも下記の構造としたことを特徴とするエ
アージェットポンプ。イ )前記吸込管(4)側に一端を連結させ且つその内径
と略同一内径を有すると共に他端外周にテーパー部(11
1)を有したノズル本体(11)と、該ノズル本体(11)のテー
パー部(111)を内部に入れて配置させ且つそれよりも若
干大きな径で更に前記テーパー部(111)よりも隙間角θ
大きな角度のテーパー部(121)を一端に有すると共に他
端を吐出管(5)側に連結させ且つその内径と略同一内
径を有したノズル受(12)とから成るジェットノズル
(1)を設けたこと。ロ )前記ジェットノズル(1)の外周及び吸込管(4)
側に、圧縮空気を溜める中空部(B)が形成されるため
の外筒(2)を配置させ、該外筒(2)には圧縮空気を
供給するための圧縮空気用供給口(21)を設けたこと。ハ )前記外筒(2)を密閉するための仕切板(3)を取
付けたこと。
1. An air filter which is attached between a suction pipe (4) side and a discharge pipe (5) side slightly larger than the inner diameter of the suction pipe (4), and has at least the following structure. Jet pump. B) One end is connected to the suction pipe (4) side and has substantially the same inner diameter as the inner diameter thereof, and a tapered portion (11
The nozzle body (11) having 1), and the tapered portion (111) of the nozzle body (11) is placed inside and disposed, and has a slightly larger diameter than the tapered portion (111) and a clearance angle larger than that of the tapered portion (111). θ
A jet nozzle (1) having a large angle tapered portion (121) at one end and a nozzle receiver (12) having the other end connected to the discharge pipe (5) side and having substantially the same inside diameter as the inside diameter is provided. Was it. B) The outer circumference of the jet nozzle (1) and the suction pipe (4)
An outer cylinder (2) for forming a hollow portion (B) for storing compressed air is arranged on the side, and a compressed air supply port (21) for supplying compressed air to the outer cylinder (2). Was established. C) A partition plate (3) for sealing the outer cylinder (2) is attached.
【請求項2】 前記隙間角θが10度〜20度の範囲で
ある請求項1記載のエアージェットポンプ。
2. The air jet pump according to claim 1, wherein the gap angle θ is in a range of 10 degrees to 20 degrees.
【請求項3】 前記ノズル本体(11)の端部に挿入すると
共に前記仕切板(3)を貫通して吸込側接続管(31)を
固着させ、前記ノズル受(12)の端部に吐出側接続管
(51)を挿入させ固着した請求項1記載のエアージェッ
トポンプ。
3. A suction side connecting pipe (31) is inserted into an end of the nozzle body (11) and penetrates through the partition plate (3), and is discharged to an end of the nozzle receiver (12). The air jet pump according to claim 1, wherein the side connection pipe (51) is inserted and fixed.
【請求項4】 前記吐出管(5)の内径が、前記吸込管
(4)の内径よりも大きくすると共に前記吐出管(5)
側にオリフィス(7)を配置させた請求項1記載のエア
ージェットポンプ。
4. An inner diameter of said discharge pipe (5) is made larger than an inner diameter of said suction pipe (4) and said discharge pipe (5).
2. An air jet pump according to claim 1, wherein an orifice (7) is arranged on the side.
【請求項5】 前記圧縮空気用供給口(21)に流量調整
弁(6)を接続した請求項1記載のエアージェットポン
プ。
5. The air jet pump according to claim 1, wherein a flow control valve (6) is connected to the compressed air supply port (21).
【請求項6】 吸込管(4)側と連結させるための挿入
穴(112)を一端に穿設し且つ前記吸込管(4)の内径
と略同一内径を有すると共に他端外周にテーパー部(11
1)を有したノズル本体(11)と、該ノズル本体(11)のテー
パー部(111)を内部に入れて円環状の所定隙間が確保さ
れるテーパー部(121)を一端に有し、且つ他端に吐出管
(5)側と連結させるための挿入穴(122)を穿設する
と共に前記吐出管(5)の内径と略同一内径を有したノ
ズル受(12)とから構成したこと特徴とするジェットノ
ズル。
6. An insertion hole (112) for connecting to the suction pipe (4) side is formed at one end, has an inside diameter substantially the same as the inside diameter of the suction pipe (4), and has a tapered part ( 11
A nozzle body (11) having 1), a tapered portion (121) having a tapered portion (111) of the nozzle body (11) inserted therein and having a predetermined annular gap secured at one end, and The other end is provided with an insertion hole (122) for connecting to the discharge pipe (5) side and a nozzle receiver (12) having an inside diameter substantially the same as the inside diameter of the discharge pipe (5). And jet nozzle.
【請求項7】 前記テーパー部(121)が、ノズル本体(1
1)のテーパー部(111)よりも若干大きな径で且つ隙間角
θ大きな角度である請求項6記載のジェットノズル。
7. The nozzle body (1) is provided with a tapered portion (121).
7. The jet nozzle according to claim 6, wherein the diameter of the jet nozzle is slightly larger than that of the tapered portion (111) and the clearance angle θ is larger.
【請求項8】 前記ノズル本体(11)のテーパー部(111)
外周に、円環状の所定隙間が確保されるように案内板
(113)を複数突設させた請求項6又は7記載のジェッ
トノズル。
8. A tapered portion (111) of the nozzle body (11).
8. The jet nozzle according to claim 6, wherein a plurality of guide plates (113) are provided on the outer periphery so as to secure a predetermined annular gap.
【請求項9】 前記ノズル本体(11)とノズル受(12)が
一体である請求項6、7又は8記載のジェットノズル。
9. The jet nozzle according to claim 6, wherein the nozzle body (11) and the nozzle receiver (12) are integrated.
【請求項10】 前記テーパー部(111)の角度θ1が5度
〜15度の範囲であり、前記テーパー部(121)の角度がθ
1+隙間角θであり、且つ隙間角θが10度〜20度の範
囲である請求6、7又は8記載のジェットノズル。
10. The angle θ 1 of the tapered portion (111) is in the range of 5 ° to 15 °, and the angle of the tapered portion (121) is θ
9. The jet nozzle according to claim 6, wherein 1 + gap angle θ, and the gap angle θ is in a range of 10 degrees to 20 degrees.
【請求項11】 吸込管(4)側と吐出管(5)側の間
に、それらの内径と略同一内径を有するノズル本体(1
1)とノズル受(12)とから成るジェットノズル(1)
を取付け、前記ノズル本体(11)の外周から前記吐出管
(5)側の内周に向かって圧縮空気が噴射されることを
特徴とするジェットノズルの噴射方法。
11. A nozzle body (1) having an inner diameter substantially equal to the inner diameter between the suction pipe (4) and the discharge pipe (5).
Jet nozzle (1) consisting of 1) and nozzle receiver (12)
And jetting compressed air from the outer circumference of the nozzle body (11) toward the inner circumference on the discharge pipe (5) side.
【請求項12】 前記吐出管(5)側に噴射される噴射
角θ0が12度〜15度の範囲である請求項11記載の
ジェットノズルの噴射方法。
12. The jetting method for a jet nozzle according to claim 11, wherein the jetting angle θ 0 jetted to the discharge pipe (5) is in a range of 12 ° to 15 °.
JP11228113A 1999-08-12 1999-08-12 Air jet pump and jet nozzle used therein, and jetting method for jet nozzle Pending JP2001056000A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11228113A JP2001056000A (en) 1999-08-12 1999-08-12 Air jet pump and jet nozzle used therein, and jetting method for jet nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11228113A JP2001056000A (en) 1999-08-12 1999-08-12 Air jet pump and jet nozzle used therein, and jetting method for jet nozzle

Publications (1)

Publication Number Publication Date
JP2001056000A true JP2001056000A (en) 2001-02-27

Family

ID=16871415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11228113A Pending JP2001056000A (en) 1999-08-12 1999-08-12 Air jet pump and jet nozzle used therein, and jetting method for jet nozzle

Country Status (1)

Country Link
JP (1) JP2001056000A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021519222A (en) * 2018-04-22 2021-08-10 ゼンロボティクス オイ Waste sorting gantry robot

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855408A (en) * 1971-11-15 1973-08-03
JPS6127999U (en) * 1984-07-24 1986-02-19 株式会社荏原製作所 jet pump
JPH01250000A (en) * 1988-03-30 1989-10-05 Kobe Steel Ltd Ejector device
JPH0441999A (en) * 1990-06-05 1992-02-12 Hitachi Metals Ltd Jet pump
JPH05272499A (en) * 1992-03-27 1993-10-19 Nittetsu Mining Co Ltd Powder pump
JPH08240200A (en) * 1995-02-28 1996-09-17 Hisamoto Suzuki Pump device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855408A (en) * 1971-11-15 1973-08-03
JPS6127999U (en) * 1984-07-24 1986-02-19 株式会社荏原製作所 jet pump
JPH01250000A (en) * 1988-03-30 1989-10-05 Kobe Steel Ltd Ejector device
JPH0441999A (en) * 1990-06-05 1992-02-12 Hitachi Metals Ltd Jet pump
JPH05272499A (en) * 1992-03-27 1993-10-19 Nittetsu Mining Co Ltd Powder pump
JPH08240200A (en) * 1995-02-28 1996-09-17 Hisamoto Suzuki Pump device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021519222A (en) * 2018-04-22 2021-08-10 ゼンロボティクス オイ Waste sorting gantry robot

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